ParseExprCXX.cpp revision 0efc2c1716be4f1c5f1343cad3b047e74861f030
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" 16987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis#include "clang/Parse/DeclSpec.h" 17314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor#include "clang/Parse/Template.h" 183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor#include "llvm/Support/ErrorHandling.h" 193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Parse global scope or nested-name-specifier if present. 232dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 242dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// Parses a C++ global scope specifier ('::') or nested-name-specifier (which 251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// may be preceded by '::'). Note that this routine will not parse ::new or 262dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// ::delete; it will just leave them in the token stream. 27eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 28eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 29eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 30eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 31eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 32eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 33eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 34eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 352dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier 'template'[opt] simple-template-id '::' 362dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 372dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param SS the scope specifier that will be set to the parsed 392dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier (or empty) 402dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param ObjectType if this nested-name-specifier is being parsed following 422dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the "." or "->" of a member access expression, this parameter provides the 432dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// type of the object whose members are being accessed. 44eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 452dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \param EnteringContext whether we will be entering into the context of 462dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the nested-name-specifier after parsing it. 472dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 482dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \returns true if a scope specifier was parsed. 49495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, 502dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor Action::TypeTy *ObjectType, 5108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner bool EnteringContext) { 524bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 537452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 563507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Tok.getAnnotationValue()); 57eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SS.setRange(Tok.getAnnotationRange()); 58eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 594bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis return true; 60eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 61e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 6239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 6339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 645b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 655b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 665b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 675b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 685b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7055a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 71357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SourceLocation CCLoc = ConsumeToken(); 72357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setBeginLoc(CCLoc); 733507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Actions.ActOnCXXGlobalScopeSpecifier(CurScope, CCLoc)); 74357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setEndLoc(CCLoc); 7539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 76eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 77eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 7839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 792dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (HasScopeSpecifier) { 802dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // C++ [basic.lookup.classref]p5: 812dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If the qualified-id has the form 823b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 832dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // ::class-name-or-namespace-name::... 843b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 852dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // the class-name-or-namespace-name is looked up in global scope as a 862dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // class-name or namespace-name. 872dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // 882dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // To implement this, we clear out the object type as soon as we've 892dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // seen a leading '::' or part of a nested-name-specifier. 902dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType = 0; 9181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 9281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor if (Tok.is(tok::code_completion)) { 9381b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // Code completion for a nested-name-specifier, where the code 9481b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // code completion token follows the '::'. 9581b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor Actions.CodeCompleteQualifiedId(CurScope, SS, EnteringContext); 9681b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor ConsumeToken(); 9781b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 982dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor } 991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 10177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 10277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 10377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 10477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 10577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 1062dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If we don't have a scope specifier or an object type, this isn't a 107eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // nested-name-specifier, since they aren't allowed to start with 108eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // 'template'. 1092dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (!HasScopeSpecifier && !ObjectType) 110eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 111eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman 1127bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TentativeParsingAction TPA(*this); 11377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 114ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 115ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId TemplateName; 116ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::identifier)) { 117ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1187bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 119ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 120ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else if (Tok.is(tok::kw_operator)) { 121ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, 1227bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName)) { 1237bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 124ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1257bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 126ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 127e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if (TemplateName.getKind() != UnqualifiedId::IK_OperatorFunctionId && 128e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt TemplateName.getKind() != UnqualifiedId::IK_LiteralOperatorId) { 129ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Diag(TemplateName.getSourceRange().getBegin(), 130ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor diag::err_id_after_template_in_nested_name_spec) 131ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor << TemplateName.getSourceRange(); 1327bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 133ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 134ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 135ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1367bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 13777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 13877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1407bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // If the next token is not '<', we have a qualified-id that refers 1417bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // to a template name, such as T::template apply, but is not a 1427bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // template-id. 1437bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor if (Tok.isNot(tok::less)) { 1447bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 1457bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor break; 1467bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 1477bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor 1487bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // Commit to parsing the template-id. 1497bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy Template 151014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor = Actions.ActOnDependentTemplateName(TemplateKWLoc, SS, TemplateName, 152a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor ObjectType, EnteringContext); 153eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman if (!Template) 154eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 155c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, 156ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor &SS, TemplateName, TemplateKWLoc, false)) 157c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 1581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 16077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 1631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We have 16439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 16539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 16639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 16739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 168c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 169c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 1701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 17139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1724bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 1731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (TemplateId->Kind == TNK_Type_template || 174c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 17531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(&SS); 17639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Tok.is(tok::annot_typename) && 17839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor "AnnotateTemplateIdTokenAsType isn't working"); 17939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Token TypeToken = Tok; 18039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor ConsumeToken(); 18139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 18239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 1831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!HasScopeSpecifier) { 18539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setBeginLoc(TypeToken.getLocation()); 18639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 18739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (TypeToken.getAnnotationValue()) 19031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep( 1911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, 19231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationValue(), 19331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationRange(), 19431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor CCLoc)); 19531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 19631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep(0); 19739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 19839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 19967b9e831943300ce54e564e601971828ce4def15Chris Lattner } 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20167b9e831943300ce54e564e601971828ce4def15Chris Lattner assert(false && "FIXME: Only type template names supported here"); 20239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 20339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 2045c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2055c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 2065c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 2075c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 2085c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 2095c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2105c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 2115c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2125c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2135c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 2145c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 2155c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 2165c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 21746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 21846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If we get foo:bar, this is almost certainly a typo for foo::bar. Recover 21946646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // and emit a fixit hint for it. 22046646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner if (Next.is(tok::colon) && !ColonIsSacred && 22146646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner Actions.IsInvalidUnlessNestedName(CurScope, SS, II, ObjectType, 22246646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner EnteringContext) && 22346646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If the token after the colon isn't an identifier, it's still an 22446646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // error, but they probably meant something else strange so don't 22546646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // recover like this. 22646646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner PP.LookAhead(1).is(tok::identifier)) { 22746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner Diag(Next, diag::err_unexected_colon_in_nested_name_spec) 22846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner << CodeModificationHint::CreateReplacement(Next.getLocation(), "::"); 22946646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 23046646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // Recover as if the user wrote '::'. 23146646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner Next.setKind(tok::coloncolon); 23246646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner } 23346646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 2345c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 2355c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 2365c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 2375c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 23846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner assert((Tok.is(tok::coloncolon) || Tok.is(tok::colon)) && 23946646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner "NextToken() not working properly!"); 2405c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2425c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (!HasScopeSpecifier) { 2435c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setBeginLoc(IdLoc); 2445c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner HasScopeSpecifier = true; 2455c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2475c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (SS.isInvalid()) 2485c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2505c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setScopeRep( 251495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, II, 2522dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, EnteringContext)); 2535c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setEndLoc(CCLoc); 2545c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2555c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2575c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2585c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 2595c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 2605c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 261014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 262014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 263014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(CurScope, SS, 264014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 2652dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 266495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 267495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Template)) { 2685c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 2695c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 2705c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 2715c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 2725c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 2735c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 274ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 275ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, &SS, TemplateName, 276ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 277c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 2785c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2795c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2805c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2815c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 28239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 28339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 28439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 28539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 288eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 289eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 290eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 291eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 292eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 293eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 294eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 295eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 296eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 297eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 298eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 299eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 300edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 301eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 302eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 303eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 304eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 305eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 306eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 307eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 308eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 309eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 310eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 311eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 312eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 313eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 314eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 315eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 316eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 317eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 318eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 319eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 320eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 321eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 322eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 323eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 324eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 325eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 326eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 327ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 328ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 329ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 330ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 331ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 332ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 333eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 334eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 335eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 336eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 337eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 3382dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 33902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 34002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 34102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 34202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 34302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 34402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 3452d1c21414199a7452f122598189363a3922605b1Douglas Gregor /*ObjectType=*/0, 34602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 34702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 348b681b61fea36618778b8030360e90e3f4641233bJohn McCall 349b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 350b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 351b681b61fea36618778b8030360e90e3f4641233bJohn McCall if (isAddressOfOperand) { 352b681b61fea36618778b8030360e90e3f4641233bJohn McCall switch (Tok.getKind()) { 353b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_square: 354b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_paren: 355b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::arrow: 356b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::period: 357b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::plusplus: 358b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::minusminus: 359b681b61fea36618778b8030360e90e3f4641233bJohn McCall isAddressOfOperand = false; 360b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 361b681b61fea36618778b8030360e90e3f4641233bJohn McCall 362b681b61fea36618778b8030360e90e3f4641233bJohn McCall default: 363b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 364b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 365b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 36602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 36702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return Actions.ActOnIdExpression(CurScope, SS, Name, Tok.is(tok::l_paren), 36802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 36902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 370eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 371eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 38120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 39720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 399809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 40320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 40721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 40821e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 41021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 41327591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 415809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 41649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 417f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 418809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 419f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 424c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 425c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 426c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 427c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 428c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 429c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 43020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 431c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 432c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 433c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 434c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 435c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 436c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 437c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 438c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 439c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 44020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 441c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 44215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 443c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 444c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 445809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 446c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 447c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 448c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 449c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 450809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 45120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 452c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 453c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 454809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 455c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 456e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 459e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 460e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 462e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 463ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 464ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 465ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 466c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 467c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 468c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 4690e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 471c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 473c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 474c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 475effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 476c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 477c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 478c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 47920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 480c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 481c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 48720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 489f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 49150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 49250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 49350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 49450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 49550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 49620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 49750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 49850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 49920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 5002a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 5012a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 5022a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 5032a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 5042a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 5052a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 5062a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 5072a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 5082a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 5092a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 510f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 51150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 5122a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 5132f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 51420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 515f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 5162a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 51750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 5184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 5204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 5214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 5224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 5234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 52420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 5254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 5264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 527f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 5284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 529987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 530987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 531987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 532987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 533987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 534987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 535987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 536987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 537987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 538987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 53920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 54020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 541987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 5425ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 543987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 544987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 545987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 546987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 547a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 548987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 549987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 550987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 551987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 552987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 55320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 554987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 555987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 556987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 557987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 558987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 559987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 560ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 561ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 562ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 563ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 564987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 565987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 566f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 567f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 568beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 569987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 570987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 57199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 57271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 57371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 57471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 57571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 57671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 57771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 57871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 57999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 58099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 58199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 58299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 58399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 58499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 58599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 58699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregorbool Parser::ParseCXXCondition(OwningExprResult &ExprResult, 58799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclPtrTy &DeclResult) { 58801dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 58901dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor Actions.CodeCompleteOrdinaryName(CurScope, Action::CCC_Condition); 59001dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor ConsumeToken(); 59101dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 59201dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 59399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 59499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ParseExpression(); // expression 59599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = DeclPtrTy(); 59699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return ExprResult.isInvalid(); 59799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 59871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 59971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 60071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 60171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 60271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 60371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 60471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 60571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 60671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 60771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 60871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 609ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 610ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 6110e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 61271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 61399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 61471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 615effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 616ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 61771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 61871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 61971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 620ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 621ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 622bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 623ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 624ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 62571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 62699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 62799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Action::DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(CurScope, 62899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclaratorInfo); 62999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = Dcl.get(); 63099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ExprError(); 63199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 63271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 63399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (Tok.is(tok::equal)) { 63499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation EqualLoc = ConsumeToken(); 63599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor OwningExprResult AssignExpr(ParseAssignmentExpression()); 63699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 63799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Actions.AddInitializerToDecl(DeclResult, move(AssignExpr)); 63899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 63999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 64099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 64199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 64299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 64399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 64471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 64571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 646987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 647987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 648987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 649987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 650987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 651eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 652987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 653987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 654987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 655987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 656987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 657987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 658987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 659987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 660987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 661987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 662987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 663987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 664987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 665987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 666987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 667987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 668987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 669987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 670987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 671987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 672987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 673987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 674987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 675fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 676987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 67955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 68055a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 68155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 683987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 684987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 68555a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 686987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 687b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 688fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 689eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 690987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 691987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 693987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 694987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 695fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 696987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 697987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 698fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 699987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 700987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 701fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 702987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 703987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 704fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 705987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 706987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 707fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 708987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 709987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 710fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 711987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 712987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 713fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 714987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 715987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 716fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 717987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 718987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 719fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 720987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 721987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 722fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 723987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 724f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 725fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 726f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 727f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 728fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 729f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 730987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 731fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 732987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 734987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 735987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 736987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 7379b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 738987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 739987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 740b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 741eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 742eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 743eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 744987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 7459b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 746987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 7471cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7482f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 7492f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 7502f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 7512f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 7522f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 7532f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 7542f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 7552f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7562f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 7572f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 7582f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7592f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 7602f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 7612f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 762fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 763fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 7642f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7652f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 766fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) { 7671ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 7682f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 7692f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 7701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 771fec54013fcd0eb72642741584ca04c1bc292bef8John McCall while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) ; 7722f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7732f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 7742f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 7752f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 7773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 7783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 7803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 7813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 7823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 7833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 7843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 7863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 7873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 7893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 7903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 7923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 7933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 7953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 7963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 79746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 79846df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 79946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 8003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 8013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 8023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 8033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 8053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 8063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 8073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 8083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 8092d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 8103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Id) { 8113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor assert(Tok.is(tok::less) && "Expected '<' to finish parsing a template-id"); 8123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 8143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 8153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 8163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 817014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 818e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 819014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, Id, ObjectType, EnteringContext, 820014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor Template); 8213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 8223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 823014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 824014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 825014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 826014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 8272d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 8283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 829014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 8303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 831014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 832014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 833014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 8342d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 835014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor Template = Actions.ActOnDependentTemplateName(SourceLocation(), SS, 836a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor TemplateName, ObjectType, 837a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor EnteringContext); 8382d1c21414199a7452f122598189363a3922605b1Douglas Gregor TNK = TNK_Dependent_template_name; 8392d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (!Template.get()) 8402d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 8412d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 842014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 8432d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 8442d1c21414199a7452f122598189363a3922605b1Douglas Gregor 8452d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (TNK == TNK_Non_template && Id.DestructorName == 0) { 8462d1c21414199a7452f122598189363a3922605b1Douglas Gregor // The identifier following the destructor did not refer to a template 8472d1c21414199a7452f122598189363a3922605b1Douglas Gregor // or to a type. Complain. 8482d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) 8492d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(NameLoc, diag::err_ident_in_pseudo_dtor_not_a_type) 8502d1c21414199a7452f122598189363a3922605b1Douglas Gregor << Name; 8512d1c21414199a7452f122598189363a3922605b1Douglas Gregor else 8522d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(NameLoc, diag::err_destructor_class_name); 8532d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 8542d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 8552d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 8563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 857014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 8583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 8603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 8613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 8643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 8653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 8673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 8683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 8693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 8703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 8713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 8723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 8733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 8743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 876e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 877e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 8783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 8793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 8803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 8813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 8823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 8843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 885014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 8863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 8873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 888014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 889014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 890014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 8913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Template = Template.getAs<void*>(); 8943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 8953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 8963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 897314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 8983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 899314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 9003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 9013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 9033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 9073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 9083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 9093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 9113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Type 9123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = Actions.ActOnTemplateIdType(Template, NameLoc, 9133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 9143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 9153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 9163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 9173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 9193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 9203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 9213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 9223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 9253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 926ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 927ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 9283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 929ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 930ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 9313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 932ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 9333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 9343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 9353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 936ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 9373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 9383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 9393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 9403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 9413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 9423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 9433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 9453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 9463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 9483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 9493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 9513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 9523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 9533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 9553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 9563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 9583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 9593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 960ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 961ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 962ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 963ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 964ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 965ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 966ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 967ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TypeTy *ObjectType, 968ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 969ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 970ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 971ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 972ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 973ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 974ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 975ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 976ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 977ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 978ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 979ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 980ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 981ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 982ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 983ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 984ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 985ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 986ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 987ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 988ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 989ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 990ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 991ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 992ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 993ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 994ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 995ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 996ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 997ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 998ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 999ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1000ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1001ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1002ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1003ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1004ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1005ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1006ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1007ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1008ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1009ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1010ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1011ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1012ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1013ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1014ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1015ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1016ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1017ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1018ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1019ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1020ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1021ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1022ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1023ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1024ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1025ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1026ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1027ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1028ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1029ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1030ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1031ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1032ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1033ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1034ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1035ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1036ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1037ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1038ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1039ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1040ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1041ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 1042ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Actions.CodeCompleteOperatorName(CurScope); 1043ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1044ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1045ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 1046ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1047ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1048ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1049ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1050ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1051ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1052ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1053ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1054ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1055ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1056ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1057ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1058ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1059ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 10600486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 10610486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 10620486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 10630486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 10640486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 10650486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 10660486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 10670486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 10680486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 10690486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 10700486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 10710486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 10720486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 10730486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 10740486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 10750486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 10760486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 10770486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 10783e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 10790486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1080ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1081ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1082ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1083ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1084ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1085ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1086ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1087ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1088ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1089ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1090ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1091ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1092ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 1093ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DeclSpec DS; 1094f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1095ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1096ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1097ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1098ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1099ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1100ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1101ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1102ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1103ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Action::TypeResult Ty = Actions.ActOnTypeName(CurScope, D); 1104ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1105ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1106ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1107ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1108ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1109ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1110ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1111ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1112ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1113ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1114ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1115ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1116ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1117ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1118ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1119ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1120ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1121ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1122ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1123ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1124ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1125ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1126ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1127ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1128ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1129ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1130ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1131ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1132ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 11333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 11343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 11363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 113746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 113846df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 113946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 11403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 11413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 11433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 11443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 11453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 11462d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 11473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 11483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 11493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 11503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 11513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 11523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 11533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 11543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 11553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1156b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1157b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1158b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1159b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1160b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1161b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1162b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 11633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 11643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.isCurrentClassName(*Id, CurScope, &SS)) { 11653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 11663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, CurScope, 11673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, false), 11683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 11693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 11703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 11713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 11723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 11753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 11763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 11772d1c21414199a7452f122598189363a3922605b1Douglas Gregor ObjectType, Result); 11783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 11833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 11843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 11850efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateIdAnnotation *TemplateId 11860efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor = static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue()); 11870efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 11880efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 11890efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 11900efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, CurScope, &SS)) { 11910efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 11920efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 11930efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 11940efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 11950efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 11960efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 11970efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 11980efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 11990efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << CodeModificationHint::CreateRemoval( 12000efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 12010efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 12020efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 12030efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor CurScope, 12040efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor &SS, false), 12050efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 12060efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 12070efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->Destroy(); 12080efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 12090efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 12100efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 12110efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 12120efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 12130efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 12140efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 12150efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 12160efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 12173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 12183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 12190efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 12203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 12213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 12253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 12263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 12273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1228ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 12293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1231e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1232e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1233ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1234ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1235ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1236e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1237e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 1238ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Tok.is(tok::less)) 1239ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1240ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 1241ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result); 12423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1246b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1247b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 12483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 12493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 12503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 12513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 12523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 12543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 12553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 12573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 12583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Diag(Tok, diag::err_destructor_class_name); 12593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 12633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 12643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 12653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12662d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (Tok.is(tok::less)) { 12672d1c21414199a7452f122598189363a3922605b1Douglas Gregor Result.setDestructorName(TildeLoc, 0, ClassNameLoc); 12682d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 12692d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, ObjectType, Result); 12702d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12712d1c21414199a7452f122598189363a3922605b1Douglas Gregor 12723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 12733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeTy *Ty = Actions.getTypeName(*ClassName, ClassNameLoc, 1274f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor CurScope, &SS, false, ObjectType); 12753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (!Ty) { 12762d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) 12772d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(ClassNameLoc, diag::err_ident_in_pseudo_dtor_not_a_type) 12782d1c21414199a7452f122598189363a3922605b1Douglas Gregor << ClassName; 12792d1c21414199a7452f122598189363a3922605b1Douglas Gregor else 12802d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(ClassNameLoc, diag::err_destructor_class_name); 12813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 12853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12882d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 12892d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 12903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 12923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 12944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 129659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 129759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 129859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 12994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 13004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 13014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 13024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 13034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 13044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 13054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 13064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 13074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 13084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1309cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1310cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1311cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1312cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1313cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1314cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1315cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 13164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 13174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 13184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 13194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 132059232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 132159232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 132259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 132359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 13244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 13264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 13274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1328a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 13294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 13304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 1332cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 1333cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 13344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 13354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 13364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1337cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1338cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 133920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1340cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1343cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1344cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 134520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1346cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1348cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 13494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 13504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 13514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 13524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 13534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 13544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 1355cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 1356cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1357ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1358cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 1359cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 13604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 13614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1362cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1363cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1364ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1365ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1366cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1367cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1368ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 13694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 13704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 13714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 13724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1373cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1374cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1375cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1376cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1377ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1378ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1379cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1380cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1381ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 13824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 13834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1384eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1385cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 138620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1387cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1389a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 13904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 13914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 13934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 13944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 13954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1396cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1397cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 139820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1399cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1402cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1403cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 140420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1405cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1408f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1409f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 1410f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 1411f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 14124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 14154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 14164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 14184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 14194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 14204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 142159232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 14224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 14234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 14244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 14254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 14262f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 14272f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 14280e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 14294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 14304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 14314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 14324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 14344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1435ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 14364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 14377e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 1438ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 14394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1440ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 14414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 14424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 14464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 14474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 14494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 14504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 14534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 14544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1455cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 145659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 14574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 14584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1459cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1460ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1461cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1462eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 14634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 14664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 14674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 14684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 14694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 14724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 14734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 147459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 147559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 147659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 147759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 147859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 14794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 14804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 14814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 148259232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 148359232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 148459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 148559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 14864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 14884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 14894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 14904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 14914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 14924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 14934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 149420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 14954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14972f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 14980e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 149920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 15004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1501f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 15024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 150364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 150564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 150664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 150764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 150864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 150964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 151064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 151164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 151264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 151364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 151464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 151564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 151664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 151764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 151864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 151964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 152064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 152164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 1522ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl case tok::kw___is_literal: return UTT_IsLiteral; 152364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 152464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 152564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 152664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 152764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 152864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 152964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 153064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 153164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 153264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 15331eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::OwningExprResult Parser::ParseUnaryTypeTrait() { 153464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 153564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 153664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 153764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 153864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 153964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 154064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 154164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 154264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 154364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1544809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 154564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 154664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 154764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1548809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1549809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1550809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1551809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 155264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1553f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1554f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1555f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1556f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1557f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1558f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1559f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1560f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1561f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1562f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1563f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1564f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1565f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1566f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1567f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1568f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1569f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1570f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1571f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1572f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1573f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1574f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1575f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1576f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1577f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1578f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1579f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1580f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1581a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1582f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1583f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1584f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1585f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1586f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1587f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 1589f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1590f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1591f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1592f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 1593f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, tok::unknown, Toks, tok::semi)) { 1594f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1595f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1596f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1597f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1598f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1599f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1600f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1601f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1602f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1603b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1604b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1605b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1606b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1607b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1608b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1609b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1610b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1611b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 16122ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1613b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1614f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1615f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1616f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1617f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1618f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1619f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 1621f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1622f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1623f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1624f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1625f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1626f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1627f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1628f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1629f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1630f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1631f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1632f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1633f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1634f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1635f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1636f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1637f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1638f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1639f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1640f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1641f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1642f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 16431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1644f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1645f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1646f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1647f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1648f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1649f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1650f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1651f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1652f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1653f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 16541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 16552ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1656f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1657f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1659f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1660f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1661f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1662f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1663f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1664f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1665f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1666f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1667f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1668f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1669f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1670f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1671f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 16721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1673f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1674f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1675f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1676f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1677f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1678f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1679f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1680