ParseExprCXX.cpp revision 023df37c27ee8035664fb62f206ca58f4e2a169d
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ParseExprCXX.cpp - C++ Expression Parsing ------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Expression parsing implementation for C++. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 16bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor#include "RAIIObjectsForParser.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor#include "llvm/Support/ErrorHandling.h" 203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smithstatic int SelectDigraphErrorMessage(tok::TokenKind Kind) { 24ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith switch (Kind) { 25ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_template: return 0; 26ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_const_cast: return 1; 27ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_dynamic_cast: return 2; 28ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_reinterpret_cast: return 3; 29ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_static_cast: return 4; 30ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith default: 31ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith assert(0 && "Unknown type for digraph error message."); 32ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith return -1; 33ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 34ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith} 35ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 36ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith// Are the two tokens adjacent in the same source file? 37ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smithstatic bool AreTokensAdjacent(Preprocessor &PP, Token &First, Token &Second) { 38ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceManager &SM = PP.getSourceManager(); 39ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceLocation FirstLoc = SM.getSpellingLoc(First.getLocation()); 40ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceLocation FirstEnd = FirstLoc.getFileLocWithOffset(First.getLength()); 41ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith return FirstEnd == SM.getSpellingLoc(Second.getLocation()); 42ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith} 43ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 44ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith// Suggest fixit for "<::" after a cast. 45ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smithstatic void FixDigraph(Parser &P, Preprocessor &PP, Token &DigraphToken, 46ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token &ColonToken, tok::TokenKind Kind, bool AtDigraph) { 47ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Pull '<:' and ':' off token stream. 48ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (!AtDigraph) 49ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.Lex(DigraphToken); 50ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.Lex(ColonToken); 51ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 52ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceRange Range; 53ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Range.setBegin(DigraphToken.getLocation()); 54ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Range.setEnd(ColonToken.getLocation()); 55ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith P.Diag(DigraphToken.getLocation(), diag::err_missing_whitespace_digraph) 56ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith << SelectDigraphErrorMessage(Kind) 57ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith << FixItHint::CreateReplacement(Range, "< ::"); 58ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 59ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Update token information to reflect their change in token type. 60ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ColonToken.setKind(tok::coloncolon); 61ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ColonToken.setLocation(ColonToken.getLocation().getFileLocWithOffset(-1)); 62ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ColonToken.setLength(2); 63ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith DigraphToken.setKind(tok::less); 64ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith DigraphToken.setLength(1); 65ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 66ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Push new tokens back to token stream. 67ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.EnterToken(ColonToken); 68ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (!AtDigraph) 69ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.EnterToken(DigraphToken); 70ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith} 71ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Parse global scope or nested-name-specifier if present. 732dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 742dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// Parses a C++ global scope specifier ('::') or nested-name-specifier (which 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// may be preceded by '::'). Note that this routine will not parse ::new or 762dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// ::delete; it will just leave them in the token stream. 77eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 78eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 79eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 80eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 81eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 82eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 83eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 84eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 852dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier 'template'[opt] simple-template-id '::' 862dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 872dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param SS the scope specifier that will be set to the parsed 892dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier (or empty) 902dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param ObjectType if this nested-name-specifier is being parsed following 922dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the "." or "->" of a member access expression, this parameter provides the 932dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// type of the object whose members are being accessed. 94eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 952dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \param EnteringContext whether we will be entering into the context of 962dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the nested-name-specifier after parsing it. 972dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 98d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param MayBePseudoDestructor When non-NULL, points to a flag that 99d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// indicates whether this nested-name-specifier may be part of a 100d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor name. In this case, the flag will be set false 101d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// if we don't actually end up parsing a destructor name. Moreorover, 102d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// if we do end up determining that we are parsing a destructor name, 103d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// the last component of the nested-name-specifier is not parsed as 104d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// part of the scope specifier. 105d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 106b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor/// member access expression, e.g., the \p T:: in \p p->T::m. 107b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor/// 1089ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall/// \returns true if there was an error parsing a scope specifier 109495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, 110b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 111b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor bool EnteringContext, 1124147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet bool *MayBePseudoDestructor, 1134147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet bool IsTypename) { 1144bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 1157452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 117eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 118c34348a7ef1a6b3f92a644a227953800cd1f9947Douglas Gregor Actions.RestoreNestedNameSpecifierAnnotation(Tok.getAnnotationValue(), 119c34348a7ef1a6b3f92a644a227953800cd1f9947Douglas Gregor Tok.getAnnotationRange(), 120c34348a7ef1a6b3f92a644a227953800cd1f9947Douglas Gregor SS); 121eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 1229ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 123eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 124e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 12539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 12639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1275b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 1285b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 1295b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 1305b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 1315b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 1342e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.ActOnCXXGlobalScopeSpecifier(getCurScope(), ConsumeToken(), SS)) 1352e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor return true; 1362e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor 13739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 138eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 139eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 140d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool CheckForDestructor = false; 141d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (MayBePseudoDestructor && *MayBePseudoDestructor) { 142d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CheckForDestructor = true; 143d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = false; 144d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 145d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 14639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 1472dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (HasScopeSpecifier) { 1482dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // C++ [basic.lookup.classref]p5: 1492dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If the qualified-id has the form 1503b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 1512dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // ::class-name-or-namespace-name::... 1523b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 1532dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // the class-name-or-namespace-name is looked up in global scope as a 1542dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // class-name or namespace-name. 1552dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // 1562dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // To implement this, we clear out the object type as soon as we've 1572dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // seen a leading '::' or part of a nested-name-specifier. 158b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ObjectType = ParsedType(); 15981b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 16081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor if (Tok.is(tok::code_completion)) { 16181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // Code completion for a nested-name-specifier, where the code 16281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // code completion token follows the '::'. 16323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteQualifiedId(getCurScope(), SS, EnteringContext); 164b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis SourceLocation ccLoc = ConsumeCodeCompletionToken(); 165b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // Include code completion token into the range of the scope otherwise 166b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // when we try to annotate the scope tokens the dangling code completion 167b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // token will cause assertion in 168b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // Preprocessor::AnnotatePreviousCachedTokens. 169b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis SS.setEndLoc(ccLoc); 17081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 1712dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor } 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 17477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 17577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 17677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 17777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 17877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 1792dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If we don't have a scope specifier or an object type, this isn't a 180eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // nested-name-specifier, since they aren't allowed to start with 181eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // 'template'. 1822dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (!HasScopeSpecifier && !ObjectType) 183eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 184eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman 1857bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TentativeParsingAction TPA(*this); 18677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 187ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 188ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId TemplateName; 189ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::identifier)) { 190ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1917bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 192ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 193ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else if (Tok.is(tok::kw_operator)) { 194ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, 1957bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName)) { 1967bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 197ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1987bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 199ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 200e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if (TemplateName.getKind() != UnqualifiedId::IK_OperatorFunctionId && 201e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt TemplateName.getKind() != UnqualifiedId::IK_LiteralOperatorId) { 202ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Diag(TemplateName.getSourceRange().getBegin(), 203ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor diag::err_id_after_template_in_nested_name_spec) 204ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor << TemplateName.getSourceRange(); 2057bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 206ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 207ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 208ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 2097bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 21077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 21177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2137bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // If the next token is not '<', we have a qualified-id that refers 2147bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // to a template name, such as T::template apply, but is not a 2157bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // template-id. 2167bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor if (Tok.isNot(tok::less)) { 2177bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 2187bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor break; 2197bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 2207bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor 2217bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // Commit to parsing the template-id. 2227bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 223d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateTy Template; 22423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (TemplateNameKind TNK = Actions.ActOnDependentTemplateName(getCurScope(), 225d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateKWLoc, 226d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SS, 227d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, 228d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor ObjectType, 229d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, 230d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Template)) { 231059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 232d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateKWLoc, false)) 233d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 234d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor } else 2359ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 2361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 23877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We have 24239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 24339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 24439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 24539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 246c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 247c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 24939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 250d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde)) { 251d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 2529ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 253d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 254d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 2556cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor // Consume the template-id token. 2566cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor ConsumeToken(); 2576cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2586cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 2596cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2616cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor if (!HasScopeSpecifier) 2626cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor HasScopeSpecifier = true; 2636cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2646cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, 2656cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->getTemplateArgs(), 2666cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->NumArgs); 2676cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2686cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor if (Actions.ActOnCXXNestedNameSpecifier(getCurScope(), 2696cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor /*FIXME:*/SourceLocation(), 2706cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SS, 2716cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->Template, 2726cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->TemplateNameLoc, 2736cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->LAngleLoc, 2746cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateArgsPtr, 2756cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->RAngleLoc, 2766cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor CCLoc, 2776cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor EnteringContext)) { 2786cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SourceLocation StartLoc 2796cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor = SS.getBeginLoc().isValid()? SS.getBeginLoc() 2806cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor : TemplateId->TemplateNameLoc; 2816cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SS.SetInvalid(SourceRange(StartLoc, CCLoc)); 28267b9e831943300ce54e564e601971828ce4def15Chris Lattner } 283eccce7e246a17e12a2afd6eabb9ac7c8d582db4eArgyrios Kyrtzidis 284eccce7e246a17e12a2afd6eabb9ac7c8d582db4eArgyrios Kyrtzidis // If we are caching tokens we will process the TemplateId again, 285eccce7e246a17e12a2afd6eabb9ac7c8d582db4eArgyrios Kyrtzidis // otherwise destroy it. 286eccce7e246a17e12a2afd6eabb9ac7c8d582db4eArgyrios Kyrtzidis if (!PP.isBacktrackEnabled()) 287eccce7e246a17e12a2afd6eabb9ac7c8d582db4eArgyrios Kyrtzidis TemplateId->Destroy(); 2886cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor continue; 28939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 29039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 2915c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2925c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 2935c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 2945c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 2955c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 2965c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2975c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 2985c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2995c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 3005c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 3015c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 3025c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 3035c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 30446646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 30546646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If we get foo:bar, this is almost certainly a typo for foo::bar. Recover 30646646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // and emit a fixit hint for it. 307b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor if (Next.is(tok::colon) && !ColonIsSacred) { 3082e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.IsInvalidUnlessNestedName(getCurScope(), SS, II, 3092e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor Tok.getLocation(), 3102e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor Next.getLocation(), ObjectType, 311b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor EnteringContext) && 312b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // If the token after the colon isn't an identifier, it's still an 313b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // error, but they probably meant something else strange so don't 314b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // recover like this. 315b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor PP.LookAhead(1).is(tok::identifier)) { 316b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Diag(Next, diag::err_unexected_colon_in_nested_name_spec) 317849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateReplacement(Next.getLocation(), "::"); 318b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor 319b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // Recover as if the user wrote '::'. 320b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Next.setKind(tok::coloncolon); 321b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor } 32246646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner } 32346646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 3245c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 32577549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) && 32623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor !Actions.isNonTypeNestedNameSpecifier(getCurScope(), SS, Tok.getLocation(), 32777549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor II, ObjectType)) { 328d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 3299ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 330d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 331d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 3325c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 3335c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 3345c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 33546646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner assert((Tok.is(tok::coloncolon) || Tok.is(tok::colon)) && 33646646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner "NextToken() not working properly!"); 3375c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3392e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor HasScopeSpecifier = true; 3402e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.ActOnCXXNestedNameSpecifier(getCurScope(), II, IdLoc, CCLoc, 3412e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor ObjectType, EnteringContext, SS)) 3422e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor SS.SetInvalid(SourceRange(IdLoc, CCLoc)); 3432e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor 3445c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 3455c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 347ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Check for '<::' which should be '< ::' instead of '[:' when following 348ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // a template name. 349ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Next.is(tok::l_square) && Next.getLength() == 2) { 350ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token SecondToken = GetLookAheadToken(2); 351ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (SecondToken.is(tok::colon) && 352ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith AreTokensAdjacent(PP, Next, SecondToken)) { 353ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateTy Template; 354ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith UnqualifiedId TemplateName; 355ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateName.setIdentifier(&II, Tok.getLocation()); 356ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith bool MemberOfUnknownSpecialization; 357ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Actions.isTemplateName(getCurScope(), SS, 358ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith /*hasTemplateKeyword=*/false, 359ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateName, 360ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ObjectType, 361ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith EnteringContext, 362ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Template, 363ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith MemberOfUnknownSpecialization)) { 364ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith FixDigraph(*this, PP, Next, SecondToken, tok::kw_template, 365ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith /*AtDigraph*/false); 366ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 367ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 368ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 369ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 3705c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 3715c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 3725c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 3735c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 374014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 375014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 3761fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 37723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(getCurScope(), SS, 3787c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara /*hasTemplateKeyword=*/false, 379014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 3802dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 381495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 3821fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Template, 3831fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization)) { 3845c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 3855c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 3865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 3875c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 3885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 3895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 390ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 391059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 392ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 3939ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 3945c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 395d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor } 396d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 397d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor if (MemberOfUnknownSpecialization && (ObjectType || SS.isSet()) && 3984147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet (IsTypename || IsTemplateArgumentList(1))) { 399d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // We have something like t::getAs<T>, where getAs is a 400d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // member of an unknown specialization. However, this will only 401d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 402d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // before 'getAs' and treat this as a dependent template name. 4034147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet unsigned DiagID = diag::err_missing_dependent_template_keyword; 4044147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet if (getLang().Microsoft) 405cf320c6388c90f1938c264e87d77a0e43946e2c3Francois Pichet DiagID = diag::warn_missing_dependent_template_keyword; 4064147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet 4074147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet Diag(Tok.getLocation(), DiagID) 408d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << II.getName() 409d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << FixItHint::CreateInsertion(Tok.getLocation(), "template "); 410d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 411d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TemplateNameKind TNK 41223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnDependentTemplateName(getCurScope(), 413d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Tok.getLocation(), SS, 414d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, ObjectType, 415d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template)) { 416d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor // Consume the identifier. 417d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor ConsumeToken(); 418059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 419d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SourceLocation(), false)) 420d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 421d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor } 422d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor else 423d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor return true; 424d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor 425d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor continue; 4265c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 4275c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 4285c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 42939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 43039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 43139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 43239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 434d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Even if we didn't see any pieces of a nested-name-specifier, we 435d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // still check whether there is a tilde in this position, which 436d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // indicates a potential pseudo-destructor. 437d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && Tok.is(tok::tilde)) 438d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 439d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 4409ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 441eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 442eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 443eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 444eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 445eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 446eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 447eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 448eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 449eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 450eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 451eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 452eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 453edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 454eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 455eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 456eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 457eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 458eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 459eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 460eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 461eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 462eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 463eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 464eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 465eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 466eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 467eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 468eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 469eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 470eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 471eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 472eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 473eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 474eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 475eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 476eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 477eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 478eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 479eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 480ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 481ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 482ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 483ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 484ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 48560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 486eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 487eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 488eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 489eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 490eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 491b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 49202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 49302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 49402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 49502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 49602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 49702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 498b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ObjectType=*/ ParsedType(), 49902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 50002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 501b681b61fea36618778b8030360e90e3f4641233bJohn McCall 502b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 503b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 5049c72c6088d591ace8503b842d39448c2040f3033John McCall if (isAddressOfOperand && isPostfixExpressionSuffixStart()) 5059c72c6088d591ace8503b842d39448c2040f3033John McCall isAddressOfOperand = false; 50602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 50723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnIdExpression(getCurScope(), SS, Name, Tok.is(tok::l_paren), 50802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 50902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 510eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 511eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 52160d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXCasts() { 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 536ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Check for "<::" which is parsed as "[:". If found, fix token stream, 537ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // diagnose error, suggest fix, and recover parsing. 538ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token Next = NextToken(); 539ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Tok.is(tok::l_square) && Tok.getLength() == 2 && Next.is(tok::colon) && 540ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith AreTokensAdjacent(PP, Tok, Next)) 541ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith FixDigraph(*this, PP, Tok, Next, Kind, /*AtDigraph*/true); 542ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 54420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 546809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5491ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 55020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 55421e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 55521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 55760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55921e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 56027591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 562809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 56349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 564f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 565809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 5669ae2f076ca5ab1feb3ba95629099ec2319833701John McCall LParenLoc, Result.take(), RParenLoc); 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 571c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 572c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 573c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 574c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 575c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 576c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 57760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXTypeid() { 578c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 579c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 580c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 581c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 582c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 583c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 584c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 585c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 586c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 58720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 588c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 58960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result; 590c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 591c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 592809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 593c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 594c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 5954eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 596c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 5974eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor if (Ty.isInvalid() || RParenLoc.isInvalid()) 59820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 599c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 600c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 601b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Ty.get().getAsOpaquePtr(), RParenLoc); 602c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 603e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 606e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 607e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 609e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 610ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 611ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 612f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PotentiallyPotentiallyEvaluated); 613c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 614c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 615c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 6160e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 617c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 618c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 6194eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 6204eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor if (RParenLoc.isInvalid()) 6214eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor return ExprError(); 622fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor 623fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor // If we are a foo<int> that identifies a single function, resolve it now... 624fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Expr* e = Result.get(); 625fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor if (e->getType() == Actions.Context.OverloadTy) { 626fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor ExprResult er = 627fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Actions.ResolveAndFixSingleFunctionTemplateSpecialization(e); 628fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor if (er.isUsable()) 629fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Result = er.release(); 630fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor } 631c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 632effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 633c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 634c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 635c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 63620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 637c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 638c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 63901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// ParseCXXUuidof - This handles the Microsoft C++ __uuidof expression. 64001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 64101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// '__uuidof' '(' expression ')' 64201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// '__uuidof' '(' type-id ')' 64301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 64401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois PichetExprResult Parser::ParseCXXUuidof() { 64501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(Tok.is(tok::kw___uuidof) && "Not '__uuidof'!"); 64601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 64701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation OpLoc = ConsumeToken(); 64801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation LParenLoc = Tok.getLocation(); 64901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation RParenLoc; 65001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // __uuidof expressions are always parenthesized. 65201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 65301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet "__uuidof")) 65401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return ExprError(); 65501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet ExprResult Result; 65701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isTypeIdInParens()) { 65901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeResult Ty = ParseTypeName(); 66001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Match the ')'. 66201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 66301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (Ty.isInvalid()) 66501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return ExprError(); 66601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = Actions.ActOnCXXUuidof(OpLoc, LParenLoc, /*isType=*/true, 66801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Ty.get().getAsOpaquePtr(), RParenLoc); 66901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } else { 67001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 67101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = ParseExpression(); 67201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 67301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Match the ')'. 67401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (Result.isInvalid()) 67501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SkipUntil(tok::r_paren); 67601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else { 67701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 67801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 67901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = Actions.ActOnCXXUuidof(OpLoc, LParenLoc, /*isType=*/false, 68001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result.release(), RParenLoc); 68101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 68201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 68301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 68401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return move(Result); 68501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet} 68601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 687d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \brief Parse a C++ pseudo-destructor expression after the base, 688d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// . or -> operator, and nested-name-specifier have already been 689d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// parsed. 690d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 691d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression: [C++ 5.2] 692d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression . pseudo-destructor-name 693d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression -> pseudo-destructor-name 694d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 695d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor-name: 696d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] type-name :: ~type-name 697d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier template simple-template-id :: 698d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ~type-name 699d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] ~type-name 700d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 70160d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 702d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 703d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 704d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 705b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType) { 706d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // We're parsing either a pseudo-destructor-name or a dependent 707d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // member access that has the same form as a 708d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // pseudo-destructor-name. We parse both in the same way and let 709d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // the action model sort them out. 710d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // 711d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Note that the ::[opt] nested-name-specifier[opt] has already 712d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been parsed, and if there was a simple-template-id, it has 713d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been coalesced into a template-id annotation token. 714d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId FirstTypeName; 715d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation CCLoc; 716d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::identifier)) { 717d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 718d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 719d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 720d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 721d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else if (Tok.is(tok::annot_template_id)) { 722d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setTemplateId( 723d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor (TemplateIdAnnotation *)Tok.getAnnotationValue()); 724d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 725d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 726d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 727d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else { 728d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(0, SourceLocation()); 729d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 730d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 731d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the tilde. 732d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::tilde) && "ParseOptionalCXXScopeSpecifier fail"); 733d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 734d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Tok.is(tok::identifier)) { 735d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 736d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 737d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 738d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 739d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the second type. 740d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId SecondTypeName; 741d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 742d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation NameLoc = ConsumeToken(); 743d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName.setIdentifier(Name, NameLoc); 744d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 745d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // If there is a '<', the second type name is a template-id. Parse 746d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // it as such. 747d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::less) && 748d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ParseUnqualifiedIdTemplateId(SS, Name, NameLoc, false, ObjectType, 7490278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SecondTypeName, /*AssumeTemplateName=*/true, 7500278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor /*TemplateKWLoc*/SourceLocation())) 751d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 752d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 7539ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnPseudoDestructorExpr(getCurScope(), Base, 7549ae2f076ca5ab1feb3ba95629099ec2319833701John McCall OpLoc, OpKind, 755d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SS, FirstTypeName, CCLoc, 756d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TildeLoc, SecondTypeName, 757d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Tok.is(tok::l_paren)); 758d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor} 759d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 76560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXBoolLiteral() { 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 767f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 76950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 77050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 77150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 77250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 77350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 77460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseThrowExpression() { 77550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 77650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 77720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 7782a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 7792a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 7802a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 7812a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 7822a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 7832a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 7842a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 7852a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 7862a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 7872a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 7889ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXThrow(ThrowLoc, 0); 78950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 7902a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 79160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Expr(ParseAssignmentExpression()); 79220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 7939ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXThrow(ThrowLoc, Expr.take()); 7942a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 79550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 7964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 7974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 7984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 7994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 8004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 8014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 80260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXThis() { 8034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 8044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 805f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 8064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 807987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 808987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 809987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 810987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 811987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 812987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 813987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 814987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 815987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 816987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 81760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 81820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 819987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 820b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TypeRep = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo).get(); 821987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 822987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 823bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor GreaterThanIsOperatorScope G(GreaterThanIsOperator, true); 824bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor 825987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 826987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 827a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 828987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 829987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 830987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 831987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 832987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 83320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 834987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 835987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 836987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 837987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 838987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 839987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 840ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 841ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 842ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 843ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 844987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 845987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 846ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return Actions.ActOnCXXTypeConstructExpr(TypeRep, LParenLoc, move_arg(Exprs), 847a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor RParenLoc); 848987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 849987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 85099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 85171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 85271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 85371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 85471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 85571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 85671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 85771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 85899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 85999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 86099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 86199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 86299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 86399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 864586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param Loc The location of the start of the statement that requires this 865586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// condition, e.g., the "for" in a for loop. 866586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 867586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param ConvertToBoolean Whether the condition expression should be 868586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// converted to a boolean value. 869586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 87099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 87160d7b3a319d84d688752be3870615ac0f111fb16John McCallbool Parser::ParseCXXCondition(ExprResult &ExprOut, 87260d7b3a319d84d688752be3870615ac0f111fb16John McCall Decl *&DeclOut, 873586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor SourceLocation Loc, 874586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor bool ConvertToBoolean) { 87501dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 876f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Condition); 877dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 87801dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 87901dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 88099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 881586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // Parse the expression. 88260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut = ParseExpression(); // expression 88360d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclOut = 0; 88460d7b3a319d84d688752be3870615ac0f111fb16John McCall if (ExprOut.isInvalid()) 885586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor return true; 886586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 887586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // If required, convert to a boolean value. 888586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor if (ConvertToBoolean) 88960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut 89060d7b3a319d84d688752be3870615ac0f111fb16John McCall = Actions.ActOnBooleanCondition(getCurScope(), Loc, ExprOut.get()); 89160d7b3a319d84d688752be3870615ac0f111fb16John McCall return ExprOut.isInvalid(); 89299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 89371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 89471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 8950b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 89671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 89771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 89871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 89971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 90071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 90171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 90271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 90371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 904ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 90560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 9060e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 90771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 90899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 90971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 910effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 911ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 91271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 91371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 91471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 9157f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 91671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 91799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 91860d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(getCurScope(), 9197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DeclaratorInfo); 92060d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclOut = Dcl.get(); 92160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut = ExprError(); 922a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 92371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 924a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis if (isTokenEqualOrMistypedEqualEqual( 925a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis diag::err_invalid_equalequal_after_declarator)) { 926dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); 92760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssignExpr(ParseAssignmentExpression()); 92899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 92934b41d939a1328f484511c6002ba2456db879a29Richard Smith Actions.AddInitializerToDecl(DeclOut, AssignExpr.take(), false, 93034b41d939a1328f484511c6002ba2456db879a29Richard Smith DS.getTypeSpecType() == DeclSpec::TST_auto); 93199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 93299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 93399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 93499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 93599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 936586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // FIXME: Build a reference to this declaration? Convert it to bool? 937586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // (This is currently handled by Sema). 938483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 939483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Actions.FinalizeDeclaration(DeclOut); 940586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 94199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 94271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 94371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 9446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brief Determine whether the current token starts a C++ 9456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier. 9466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::isCXXSimpleTypeSpecifier() const { 9476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor switch (Tok.getKind()) { 9486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::annot_typename: 9496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_short: 9506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_long: 951338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet case tok::kw___int64: 9526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_signed: 9536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_unsigned: 9546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_void: 9556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char: 9566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_int: 9576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_float: 9586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_double: 9596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_wchar_t: 9606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char16_t: 9616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char32_t: 9626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_bool: 963d9d75e57dfa22366c0379c92beac1db82db34e9aDouglas Gregor case tok::kw_decltype: 9646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_typeof: 9656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 9666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 9676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor default: 9686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor break; 9696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 9706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 9716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 9726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 9736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 974987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 975987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 976987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 977987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 978987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 979eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 980987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 981987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 982987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 983987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 984987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 985987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 986987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 987987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 988987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 989987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 990987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 991987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 992987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 993987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 994987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 995987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 996987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 997987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 998987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 999987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1000987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 1001987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 1002987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 1003fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 1004987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1006987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 100755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 100855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 100955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 1011987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 1012987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 101355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 1014987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 1015b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 10166952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (getTypeAnnotation(Tok)) 10176952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 10186952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTypeAnnotation(Tok)); 10196952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor else 10206952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor DS.SetTypeSpecError(); 10219bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10229bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 10239bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ConsumeToken(); 10249bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10259bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // Objective-C supports syntax of the form 'id<proto1,proto2>' where 'id' 10269bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // is a specific typedef and 'itf<proto1,proto2>' where 'itf' is an 10279bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // Objective-C interface. If we don't have Objective-C or a '<', this is 10289bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // just a normal reference to a typedef name. 10299bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (Tok.is(tok::less) && getLang().ObjC1) 10309bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ParseObjCProtocolQualifiers(DS); 10319bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10329bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.Finish(Diags, PP); 10339bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor return; 1034987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1036987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 1037987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 1038fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 1039987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1040987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 1041fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 1042338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet break; 1043338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet case tok::kw___int64: 1044338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet DS.SetTypeSpecWidth(DeclSpec::TSW_longlong, Loc, PrevSpec, DiagID); 1045987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1046987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 1047fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 1048987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1049987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 1050fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 1051987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1052987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 1053fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 1054987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1055987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 1056fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 1057987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1058987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 1059fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 1060987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1061987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 1062fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 1063987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1064987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 1065fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 1066987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1067987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 1068fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 1069987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1070f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 1071fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 1072f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1073f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 1074fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 1075f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1076987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 1077fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 1078987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10806aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: C++0x decltype support. 1081987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 1082987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 1083987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 10849b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 1085987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 1086987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1087b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 1088eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 1089eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 1090eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 1091987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 10929b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 1093987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 10941cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 10952f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 10962f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 10972f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 10982f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 10992f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 11002f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 11012f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 11022f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 11032f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 11042f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 11052f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 11062f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 11072f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 11082f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 1109fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 1110fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 11112f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 11122f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 1113d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 1114d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) { 11159fa8e569407e02148888136609431a3fe083096dNick Lewycky Diag(Tok, diag::err_expected_type); 11162f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 11172f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1119d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 1120d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) 1121d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl {} 11222f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 1123396a9f235e160093b5f803f7a6a18fad7b68bdbeDouglas Gregor DS.Finish(Diags, PP); 11242f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 11252f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 11262f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 11273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 11283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 11293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 11313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 11323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 11333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 11343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 11353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 11373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 11383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 11403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 11413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 11433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 11443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 11463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 11473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 114846df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 114946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 115046df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 11513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 11523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 11533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 11543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1155d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param AssumeTemplateId When true, this routine will assume that the name 1156d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// refers to a template without performing name lookup to verify. 1157d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 11583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 11593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 11603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 11613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 11623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 1163b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1164d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 11650278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool AssumeTemplateId, 11660278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc) { 11670278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor assert((AssumeTemplateId || Tok.is(tok::less)) && 11680278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor "Expected '<' to finish parsing a template-id"); 11693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 11713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 11723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 11733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 1174014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 1175e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 1176d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (AssumeTemplateId) { 117723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, SS, 1178d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Id, ObjectType, EnteringContext, 1179d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Template); 1180d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 1181d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 11821fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } else { 11831fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 11847c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, 11857c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateKWLoc.isValid(), Id, 11867c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara ObjectType, EnteringContext, Template, 11871fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 11881fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor 11891fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (TNK == TNK_Non_template && MemberOfUnknownSpecialization && 11901fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor ObjectType && IsTemplateArgumentList()) { 11911fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // We have something like t->getAs<T>(), where getAs is a 11921fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // member of an unknown specialization. However, this will only 11931fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 11941fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // before 'getAs' and treat this as a dependent template name. 11951fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor std::string Name; 11961fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) 11971fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = Id.Identifier->getName(); 11981fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else { 11991fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = "operator "; 12001fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_OperatorFunctionId) 12011fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += getOperatorSpelling(Id.OperatorFunctionId.Operator); 12021fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else 12031fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += Id.Identifier->getName(); 12041fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12051fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Diag(Id.StartLocation, diag::err_missing_dependent_template_keyword) 12061fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << Name 12071fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << FixItHint::CreateInsertion(Id.StartLocation, "template "); 120823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, 1209d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SS, Id, ObjectType, 1210d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template); 1211d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 12121fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor return true; 12131fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12141fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 12163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1217014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 1218014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 12191fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1220014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 12217c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, TemplateKWLoc.isValid(), 12227c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateName, ObjectType, 12231fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 12241fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1226014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 12273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1228014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 1229014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 12301fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1231014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 12322d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 123323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, SS, 1234d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, ObjectType, 1235d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template); 1236d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 12372d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 12382d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 12397c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, TemplateKWLoc.isValid(), 12407c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateName, ObjectType, 12411fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 12421fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12432d1c21414199a7452f122598189363a3922605b1Douglas Gregor 1244b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (TNK == TNK_Non_template && !Id.DestructorName.get()) { 1245124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(NameLoc, diag::err_destructor_template_id) 1246124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor << Name << SS.getRange(); 12472d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 12482d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12492d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1251014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 12523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 12543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 12583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 12613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 12623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 12630278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (Tok.is(tok::less) && 12640278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 1265059101f922de6eb765601459925f4c8914420b23Douglas Gregor SS, true, LAngleLoc, 12663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 12673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 12683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 1271e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1272e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 12733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 12743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 12753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 12763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 12773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 12793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 1280014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 12813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 12823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 1283014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 1284014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 1285014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 12863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1288059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS = SS; 12892b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template = Template; 12903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 12913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 12923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 1293314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 12943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 1295314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 12963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 12973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 12993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 13033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 13043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 13053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 1307f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TypeResult Type 1308059101f922de6eb765601459925f4c8914420b23Douglas Gregor = Actions.ActOnTemplateIdType(SS, Template, NameLoc, 13093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 13103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 13113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 13123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 13153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 13163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 13173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 13183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 13213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1322ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 1323ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 13243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1325ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 1326ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 13273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1328ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 13293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 13303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 13313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1332ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 13333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 13343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 13353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 13363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 13373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 13383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 13393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 13413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 13423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 13443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 13453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 13473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 13483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 13493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 13513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 13523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 13543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 13553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1356ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 1357ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 1358ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1359ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 1360ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1361ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 1362ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1363b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1364ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 1365ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1366ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1367ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 1368ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 1369ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1370ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 1371ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 1372ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 1373ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 1374ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 1375ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 1376ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 1377ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 1378ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 1379ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 1380ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 1381ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1382ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1383ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1384ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1385ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1386ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1387ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1388ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1389ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1390ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1391ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 1392ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1393ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 1394ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1395ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1396ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1397ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1398ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1399ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1400ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1401ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1402ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1403ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1404ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1405ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1406ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1407ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1408ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1409ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1410ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1411ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1412ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1413ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1414ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1415ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1416ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1417ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1418ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1419ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1420ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1421ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1422ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1423ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1424ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1425ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1426ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1427ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1428ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1429ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1430ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1431ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1432ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1433ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1434ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1435ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1436ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1437ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 143823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOperatorName(getCurScope()); 1439ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1440ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1441dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1442ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1443ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1444ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1445ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1446ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1447ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1448ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1449ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1450ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1451ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1452ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1453ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1454ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1455ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 14560486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14570486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 14580486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 14590486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 14600486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 14610486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14620486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 14630486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 14640486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 14650486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 14660486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14670486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 14680486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 14690486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 14700486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 14710486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14720486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 14730486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 14743e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 14750486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1476ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1477ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1478ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1479ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1480ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1481ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1482ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1483ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1484ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1485ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1486ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1487ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1488ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 14890b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1490f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1491ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1492ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1493ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1494ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1495ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1496ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1497ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1498ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1499f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TypeResult Ty = Actions.ActOnTypeName(getCurScope(), D); 1500ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1501ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1502ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1503ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1504ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1505ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1506ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1507ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1508ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1509ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1510ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1511ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1512ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1513ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1514ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1515ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1516ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1517ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1518ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1519ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1520ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1521ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1522ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1523ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1524ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1525ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1526ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1527ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1528ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 15293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 15303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 15313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 15323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 153346df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 153446df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 153546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 15363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 15373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 15383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 15393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 15403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 15413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 1542b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 15433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 15440278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 15450278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // Handle 'A::template B'. This is for template-ids which have not 15460278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // already been annotated by ParseOptionalCXXScopeSpecifier(). 15470278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool TemplateSpecified = false; 15480278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc; 15490278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (getLang().CPlusPlus && Tok.is(tok::kw_template) && 15500278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (ObjectType || SS.isSet())) { 15510278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified = true; 15520278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateKWLoc = ConsumeToken(); 15530278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor } 15540278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 15553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 15563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 15573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 15583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 15593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 15603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 15613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 15623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1563b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1564b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1565b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1566b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1567b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1568b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1569b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 15703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 157123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.isCurrentClassName(*Id, getCurScope(), &SS)) { 15723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 157323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, getCurScope(), 15749e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor &SS, false, false, 15759e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 15769e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true), 15773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 15783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 15793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 15803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 15813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 15840278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) 15853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 15860278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ObjectType, Result, 15870278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 15883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 15903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 15933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 15943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 15950efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateIdAnnotation *TemplateId 15960efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor = static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue()); 15970efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 15980efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 15990efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 160023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, getCurScope(), &SS)) { 16010efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 16020efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 16030efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 16040efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 16050efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 16060efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 16070efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 16080efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 1609849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval( 16100efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 16110efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 16120efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 161323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope(), 16149e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor &SS, false, false, 16159e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 16169e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NontrivialTypeSourceInfo=*/true), 16170efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 16180efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 16190efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->Destroy(); 16200efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 16210efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 16220efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 16230efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16240efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 16250efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 16260efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 16270efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 16280efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 16303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 16310efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 16323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 16333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 16373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 16383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 16393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1640ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 16413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1643e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1644e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1645ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1646ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1647ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1648e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1649e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 16500278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (TemplateSpecified || Tok.is(tok::less))) 1651ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1652ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 16530278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor Result, 16540278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1659b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1660b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 16613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 16623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 16633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 16643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 16653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 16673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 16683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 16703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 1671124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 16723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 16763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 16773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 16783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16790278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) { 1680b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result.setDestructorName(TildeLoc, ParsedType(), ClassNameLoc); 16812d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 16820278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor EnteringContext, ObjectType, Result, 16830278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16842d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 16852d1c21414199a7452f122598189363a3922605b1Douglas Gregor 16863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 1687b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = Actions.getDestructorName(TildeLoc, *ClassName, 1688b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ClassNameLoc, getCurScope(), 1689b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall SS, ObjectType, 1690b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall EnteringContext); 1691124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor if (!Ty) 16923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 1693124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor 16943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 16953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16982d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 16992d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 17003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 17013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 17023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 17034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 17044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 17051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 170659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 170759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 170859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 17094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 17104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 17114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 17124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 17134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 17144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 17154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 17164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 17174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 17184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1719cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1720cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1721893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor/// [GNU] attributes type-specifier-seq new-declarator[opt] 1722cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1723cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1724cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1725cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1726cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 17274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 17284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 17294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 17304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 173160d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 173259232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 173359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 173459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 17354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 17374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 17384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1739a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 17404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 17414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17424bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 17430b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1744cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 17454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 17474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1748cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1749cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 175020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1751cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1754cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1755cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 175620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1757cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1759cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 17604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 17614bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens = SourceRange(PlacementLParen, PlacementRParen); 17624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 17634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 17644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 17654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17664bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.setBegin(ConsumeParen()); 1767893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1768cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1769ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1770cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 17714bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.setEnd(MatchRHSPunctuation(tok::r_paren, 17724bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.getBegin())); 17734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1774893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1775cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1776cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1777ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1778ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1779cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1780cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1781ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 17824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1785cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1786cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1787893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1788cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1789cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1790ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1791ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1792cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1793cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1794ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 17954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1796eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1797cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 179820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1799cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1801a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 18024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 18034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 18054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 18064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 18074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1808cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1809cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 181020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1811cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1814cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1815cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 181620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1817cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1820f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1821f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 18224bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens, DeclaratorInfo, ConstructorLParen, 1823f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 18244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 18274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 18284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 18304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 18314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 18324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 183359232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 18344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 18354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 18364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 18374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 183860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Size(first ? ParseExpression() 18392f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 18400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 18414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 18424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 18434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 18444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 18464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1847ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 18480b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 18490b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 18500b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall D.AddTypeInfo(DeclaratorChunk::getArray(0, 18517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall /*static=*/false, /*star=*/false, 18527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 18530b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs, RLoc); 18544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1855ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 18564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 18574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 18614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 18624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 18644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 18654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 18664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 18684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 18694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1870ca0408fb49c1370430672acf2d770b7151cf71deJohn McCallbool Parser::ParseExpressionListOrTypeId( 1871ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVectorImpl<Expr*> &PlacementArgs, 187259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 18734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 18744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1875cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1876ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1877cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1878eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 18794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 18824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 18834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 18844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 18854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 18884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 18894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 189059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 189159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 189259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 189359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 189459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 18954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 18964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 18974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 189860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 189959232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 190059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 190159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 19024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 19034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 19044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 19054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 19064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 19074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 19084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 19094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 191020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 19114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 19124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 191360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Operand(ParseCastExpression(false)); 19140e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 191520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 19164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 19179ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, Operand.take()); 19184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 191964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 192164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 192220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley default: assert(false && "Not a known unary type trait."); 192364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 192464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 192520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 192664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 1927023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt case tok::kw___has_trivial_constructor: 1928023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt return UTT_HasTrivialDefaultConstructor; 192920c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 193064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 193164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 193264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 193320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_arithmetic: return UTT_IsArithmetic; 193420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_array: return UTT_IsArray; 193564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 193620c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_complete_type: return UTT_IsCompleteType; 193720c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_compound: return UTT_IsCompound; 193820c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_const: return UTT_IsConst; 193964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 194120c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_floating_point: return UTT_IsFloatingPoint; 194220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_function: return UTT_IsFunction; 194320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_fundamental: return UTT_IsFundamental; 194420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_integral: return UTT_IsIntegral; 194520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_lvalue_reference: return UTT_IsLvalueReference; 194620c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_member_function_pointer: return UTT_IsMemberFunctionPointer; 194720c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_member_object_pointer: return UTT_IsMemberObjectPointer; 194820c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_member_pointer: return UTT_IsMemberPointer; 194920c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_object: return UTT_IsObject; 19504e61ddd644e9c6293697a966d98d7c1905cf63a8Chandler Carruth case tok::kw___is_literal: return UTT_IsLiteral; 19513840281126e7d10552c55f6fd8b1ec9483898906Chandler Carruth case tok::kw___is_literal_type: return UTT_IsLiteral; 195264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 195320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_pointer: return UTT_IsPointer; 195464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 195520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_reference: return UTT_IsReference; 195620c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_rvalue_reference: return UTT_IsRvalueReference; 195720c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_scalar: return UTT_IsScalar; 195820c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_signed: return UTT_IsSigned; 195920c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_standard_layout: return UTT_IsStandardLayout; 196020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_trivial: return UTT_IsTrivial; 196164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 196220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_unsigned: return UTT_IsUnsigned; 196320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_void: return UTT_IsVoid; 196420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_volatile: return UTT_IsVolatile; 196564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 19666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet} 19676ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetstatic BinaryTypeTrait BinaryTypeTraitFromTokKind(tok::TokenKind kind) { 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet switch(kind) { 197038c2b730a8553fa1cf369d0c5567f8b5d0a3dda8Francois Pichet default: llvm_unreachable("Not a known binary type trait"); 1971f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet case tok::kw___is_base_of: return BTT_IsBaseOf; 197220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_convertible: return BTT_IsConvertible; 197320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_same: return BTT_IsSame; 1974f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet case tok::kw___builtin_types_compatible_p: return BTT_TypeCompatible; 19759f3611365d0f2297a910cf246e056708726ed10aDouglas Gregor case tok::kw___is_convertible_to: return BTT_IsConvertibleTo; 19766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 197764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 197864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 197921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleystatic ArrayTypeTrait ArrayTypeTraitFromTokKind(tok::TokenKind kind) { 198021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley switch(kind) { 198121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley default: llvm_unreachable("Not a known binary type trait"); 198221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case tok::kw___array_rank: return ATT_ArrayRank; 198321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case tok::kw___array_extent: return ATT_ArrayExtent; 198421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 198521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley} 198621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 1987552622067dc45013d240f73952fece703f5e63bdJohn Wiegleystatic ExpressionTrait ExpressionTraitFromTokKind(tok::TokenKind kind) { 1988552622067dc45013d240f73952fece703f5e63bdJohn Wiegley switch(kind) { 1989552622067dc45013d240f73952fece703f5e63bdJohn Wiegley default: assert(false && "Not a known unary expression trait."); 1990552622067dc45013d240f73952fece703f5e63bdJohn Wiegley case tok::kw___is_lvalue_expr: return ET_IsLValueExpr; 1991552622067dc45013d240f73952fece703f5e63bdJohn Wiegley case tok::kw___is_rvalue_expr: return ET_IsRValueExpr; 1992552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 1993552622067dc45013d240f73952fece703f5e63bdJohn Wiegley} 1994552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 199564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 199664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 199764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 199864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 199964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 200064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 200164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 200260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseUnaryTypeTrait() { 200364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 200464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 200564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 200664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 200764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 200864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 200964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 201064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 201164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 201264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 2013809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 201464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 201564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 201664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 2017809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2018809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2019809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 20203d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, Ty.get(), RParen); 202164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 2022f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 20236ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// ParseBinaryTypeTrait - Parse the built-in binary type-trait 20246ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// pseudo-functions that allow implementation of the TR1/C++0x type traits 20256ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// templates. 20266ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// 20276ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// primary-expression: 20286ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// [GNU] binary-type-trait '(' type-id ',' type-id ')' 20296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// 20306ad6f2848d7652ab2991286eb48be440d3493b28Francois PichetExprResult Parser::ParseBinaryTypeTrait() { 20316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait BTT = BinaryTypeTraitFromTokKind(Tok.getKind()); 20326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc = ConsumeToken(); 20336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation LParen = Tok.getLocation(); 20356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 20366ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeResult LhsTy = ParseTypeName(); 20396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (LhsTy.isInvalid()) { 20406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 20416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) { 20456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 20466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20486ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20496ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeResult RhsTy = ParseTypeName(); 20506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (RhsTy.isInvalid()) { 20516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 20526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20536ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20546ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 20566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20576ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return Actions.ActOnBinaryTypeTrait(BTT, Loc, LhsTy.get(), RhsTy.get(), RParen); 20586ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet} 20596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 206021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// ParseArrayTypeTrait - Parse the built-in array type-trait 206121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// pseudo-functions. 206221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// 206321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// primary-expression: 206421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// [Embarcadero] '__array_rank' '(' type-id ')' 206521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// [Embarcadero] '__array_extent' '(' type-id ',' expression ')' 206621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// 206721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John WiegleyExprResult Parser::ParseArrayTypeTrait() { 206821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait ATT = ArrayTypeTraitFromTokKind(Tok.getKind()); 206921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc = ConsumeToken(); 207021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 207121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation LParen = Tok.getLocation(); 207221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 207321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 207421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 207521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeResult Ty = ParseTypeName(); 207621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley if (Ty.isInvalid()) { 207721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SkipUntil(tok::comma); 207821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SkipUntil(tok::r_paren); 207921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 208021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 208121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 208221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley switch (ATT) { 208321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case ATT_ArrayRank: { 208421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 208521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return Actions.ActOnArrayTypeTrait(ATT, Loc, Ty.get(), NULL, RParen); 208621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 208721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case ATT_ArrayExtent: { 208821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) { 208921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SkipUntil(tok::r_paren); 209021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 209121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 209221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 209321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ExprResult DimExpr = ParseExpression(); 209421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 209521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 209621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return Actions.ActOnArrayTypeTrait(ATT, Loc, Ty.get(), DimExpr.get(), RParen); 209721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 209821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley default: 209921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley break; 210021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 210121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 210221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley} 210321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 2104552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// ParseExpressionTrait - Parse built-in expression-trait 2105552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// pseudo-functions like __is_lvalue_expr( xxx ). 2106552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// 2107552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// primary-expression: 2108552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// [Embarcadero] expression-trait '(' expression ')' 2109552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// 2110552622067dc45013d240f73952fece703f5e63bdJohn WiegleyExprResult Parser::ParseExpressionTrait() { 2111552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait ET = ExpressionTraitFromTokKind(Tok.getKind()); 2112552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc = ConsumeToken(); 2113552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2114552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation LParen = Tok.getLocation(); 2115552622067dc45013d240f73952fece703f5e63bdJohn Wiegley if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 2116552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return ExprError(); 2117552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2118552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExprResult Expr = ParseExpression(); 2119552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2120552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 2121552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2122552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return Actions.ActOnExpressionTrait(ET, Loc, Expr.get(), RParen); 2123552622067dc45013d240f73952fece703f5e63bdJohn Wiegley} 2124552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2125552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2126f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 2127f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 2128f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 212960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2130f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 2131b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType &CastTy, 2132f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 2133f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 2134f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 2135f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 2136f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 2137f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 213860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result(true); 2139b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall CastTy = ParsedType(); 2140f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2141f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 2142f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2143f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 2144f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 2145f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 2146f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 2147f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2148f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 2149f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 2150f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 2151f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2152f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 2153a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 2154f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 2155f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 2156f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 2157f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 2158f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 2159f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 2161f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 2162f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2163f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 2164f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 216514b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, Toks)) { 2166f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 2167f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2168f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 2169f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 2170f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2171f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 2172f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 2173f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 2174f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 2175b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 2176b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 2177b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 2178b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 2179b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 2180b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 2181b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 2182b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 2183b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 2184b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall NotCastExpr, 2185b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType()/*TypeOfCast*/); 2186b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 2187f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2188f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 2189f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 2190f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 2191f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 2192f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 21931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 2194f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 2195f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 2196f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 2197f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 2198f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 2199f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 2200f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 2201f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 2202f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2203f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 2204f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 2205f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2206f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 2207f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 2208f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 2209f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 2210f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2211f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2212f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 2213f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 2214f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 2215f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2217f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 2218f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 2219f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2220f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 2221f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 2222f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2223f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 2224f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2225f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 2226f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 222723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Result = Actions.ActOnCastExpr(getCurScope(), LParenLoc, CastTy, RParenLoc, 22289ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Result.take()); 2229f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 2230f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 22311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2232f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 2233f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 2234f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2235f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 2236f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 2237f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 22389ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), Result.take()); 2239f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2240f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 2241f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 2242f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 2243f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 2244f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2246f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 2247f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 2248f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 2249f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2250f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2251f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 2252f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 2253