ParseExprCXX.cpp revision 014e88d94ff83e3aad4e33b16413a2d1817ec208
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" 173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor#include "llvm/Support/ErrorHandling.h" 183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Parse global scope or nested-name-specifier if present. 222dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 232dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// Parses a C++ global scope specifier ('::') or nested-name-specifier (which 241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// may be preceded by '::'). Note that this routine will not parse ::new or 252dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// ::delete; it will just leave them in the token stream. 26eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 27eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 28eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 29eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 30eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 31eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 32eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 33eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 342dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier 'template'[opt] simple-template-id '::' 352dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 362dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param SS the scope specifier that will be set to the parsed 382dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier (or empty) 392dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param ObjectType if this nested-name-specifier is being parsed following 412dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the "." or "->" of a member access expression, this parameter provides the 422dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// type of the object whose members are being accessed. 43eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 442dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \param EnteringContext whether we will be entering into the context of 452dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the nested-name-specifier after parsing it. 462dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 472dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \returns true if a scope specifier was parsed. 48495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, 492dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor Action::TypeTy *ObjectType, 50495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor bool EnteringContext) { 514bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 527452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 553507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Tok.getAnnotationValue()); 56eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SS.setRange(Tok.getAnnotationRange()); 57eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 584bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis return true; 59eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 60e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 6139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 6239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 635b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 645b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 655b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 665b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 675b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 70357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SourceLocation CCLoc = ConsumeToken(); 71357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setBeginLoc(CCLoc); 723507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Actions.ActOnCXXGlobalScopeSpecifier(CurScope, CCLoc)); 73357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setEndLoc(CCLoc); 7439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 75eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 76eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 7739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 782dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (HasScopeSpecifier) { 792dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // C++ [basic.lookup.classref]p5: 802dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If the qualified-id has the form 813b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 822dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // ::class-name-or-namespace-name::... 833b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 842dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // the class-name-or-namespace-name is looked up in global scope as a 852dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // class-name or namespace-name. 862dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // 872dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // To implement this, we clear out the object type as soon as we've 882dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // seen a leading '::' or part of a nested-name-specifier. 892dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType = 0; 9081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 9181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor if (Tok.is(tok::code_completion)) { 9281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // Code completion for a nested-name-specifier, where the code 9381b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // code completion token follows the '::'. 9481b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor Actions.CodeCompleteQualifiedId(CurScope, SS, EnteringContext); 9581b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor ConsumeToken(); 9681b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 972dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor } 981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 10077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 10177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 10277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 10377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 10477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 1052dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If we don't have a scope specifier or an object type, this isn't a 106eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // nested-name-specifier, since they aren't allowed to start with 107eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // 'template'. 1082dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (!HasScopeSpecifier && !ObjectType) 109eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 110eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman 11177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 1121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.isNot(tok::identifier)) { 1141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok.getLocation(), 11577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner diag::err_id_after_template_in_nested_name_spec) 11677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner << SourceRange(TemplateKWLoc); 11777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 11877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (NextToken().isNot(tok::less)) { 12177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner Diag(NextToken().getLocation(), 12277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner diag::err_less_after_template_name_in_nested_name_spec) 12377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner << Tok.getIdentifierInfo()->getName() 12477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner << SourceRange(TemplateKWLoc, Tok.getLocation()); 12577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 12677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 128014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 129014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy Template 131014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor = Actions.ActOnDependentTemplateName(TemplateKWLoc, SS, TemplateName, 1322dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType); 133eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman if (!Template) 134eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 135c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, 136c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner &SS, TemplateKWLoc, false)) 137c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 1381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 14077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 1431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We have 14439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 14539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 14639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 14739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 148c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 149c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 15139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1524bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 1531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (TemplateId->Kind == TNK_Type_template || 154c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 15531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(&SS); 15639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Tok.is(tok::annot_typename) && 15839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor "AnnotateTemplateIdTokenAsType isn't working"); 15939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Token TypeToken = Tok; 16039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor ConsumeToken(); 16139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 16239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 1631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!HasScopeSpecifier) { 16539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setBeginLoc(TypeToken.getLocation()); 16639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 16739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 1681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (TypeToken.getAnnotationValue()) 17031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep( 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, 17231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationValue(), 17331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationRange(), 17431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor CCLoc)); 17531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 17631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep(0); 17739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 17839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 17967b9e831943300ce54e564e601971828ce4def15Chris Lattner } 1801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18167b9e831943300ce54e564e601971828ce4def15Chris Lattner assert(false && "FIXME: Only type template names supported here"); 18239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 18339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1845c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1855c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 1865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 1875c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 1885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 1895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1905c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 1915c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1925c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 1935c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 1945c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 1955c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 1965c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 1975c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 1985c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 1995c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 2005c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 2015c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 2025c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 2031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2045c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (!HasScopeSpecifier) { 2055c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setBeginLoc(IdLoc); 2065c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner HasScopeSpecifier = true; 2075c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2095c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (SS.isInvalid()) 2105c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2125c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setScopeRep( 213495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, II, 2142dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, EnteringContext)); 2155c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setEndLoc(CCLoc); 2165c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2175c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2195c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2205c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 2215c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 2225c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 223014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 224014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 225014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(CurScope, SS, 226014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 2272dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 228495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 229495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Template)) { 2305c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 2315c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 2325c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 2335c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 2345c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 2355c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 236c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK, &SS, SourceLocation(), 237c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner false)) 238c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 2395c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2405c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2415c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2425c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 24339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 24439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 24539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 24639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 249eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 250eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 251eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 252eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 253eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 254eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 255eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 256eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 257eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 258eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 259eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 260eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 261edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 262eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 263eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 264eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 265eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 266eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 267eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 268eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 269eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 270eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 271eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 272eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 273eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 274eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 275eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 276eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 277eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 278eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 279eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 280eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 281eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 282eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 283eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 284eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 285eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 286eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 287eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 288ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 289ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 290ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 291ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 292ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 293ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 294eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 295eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 296eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 297eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 298eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 2992dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 30002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 30102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 30202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 30302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 30402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 30502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 3062d1c21414199a7452f122598189363a3922605b1Douglas Gregor /*ObjectType=*/0, 30702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 30802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 30902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 31002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return Actions.ActOnIdExpression(CurScope, SS, Name, Tok.is(tok::l_paren), 31102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 31202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 313eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 314eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 32420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 34020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 342809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3451ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 34620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 35121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35321e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 35621e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (Result.isInvalid()) 35721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis SkipUntil(tok::r_paren); 3581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35921e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 36021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 36121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis else 36221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 364809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 36549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 366f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 367809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 368f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 373c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 374c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 375c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 376c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 377c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 378c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 37920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 380c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 381c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 382c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 383c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 384c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 385c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 386c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 387c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 388c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 38920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 390c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 39115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 392c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 393c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 394809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 395c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 396c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 397c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 398c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 399809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 40020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 401c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 402c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 403809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 404c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 405e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 408e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 409e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 411e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 412ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 413ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 414ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 415c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 416c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 417c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 4180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 419c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 420c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 421c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 422c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 423c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 424effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 425c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 426c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 427c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 42820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 429c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 430c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 43620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 438f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 44050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 44150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 44250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 44350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 44450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 44520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 44650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 44750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 44820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 4492a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 4502a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 4512a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 4522a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 4532a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 4542a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 4552a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 4562a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 4572a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 4582a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 459f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 46050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 4612a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 4622f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 46320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 464f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 4652a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 46650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 4674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 4694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 4704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 4714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 4724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 47320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 4744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 4754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 476f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 4774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 478987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 479987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 480987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 481987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 482987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 483987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 484987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 485987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 486987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 487987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 48820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 48920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 490987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 4915ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 492987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 493987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 494987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 495987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 496a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 497987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 498987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 499987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 500987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 501987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 50220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 503987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 504987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 505987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 506987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 507987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 508987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 509ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 510ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 511ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 512ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 513987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 514987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 515f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 516f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 517beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 518987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 519987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 52071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// ParseCXXCondition - if/switch/while/for condition expression. 52171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 52271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 52371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 52471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 52571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 52671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 52771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 5282f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian RedlParser::OwningExprResult Parser::ParseCXXCondition() { 529a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis if (!isCXXConditionDeclaration()) 53071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis return ParseExpression(); // expression 53171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 53271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation StartLoc = Tok.getLocation(); 53371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 53471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 53571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 53671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 53771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 53871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 53971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 54071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 54171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 54271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 54371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 544ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 545ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 5460e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 54771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 5482f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 54971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 550effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 551ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 55271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 55371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 55471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 555ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 556ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 557ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 558ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 559ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 56071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 56171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 56271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.isNot(tok::equal)) 5632f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_equal_after_declarator)); 56471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation EqualLoc = ConsumeToken(); 5652f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult AssignExpr(ParseAssignmentExpression()); 5660e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AssignExpr.isInvalid()) 5672f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 5682f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 569f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXConditionDeclarationExpr(CurScope, StartLoc, 570f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl DeclaratorInfo,EqualLoc, 571f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move(AssignExpr)); 57271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 57371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 574987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 575987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 576987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 577987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 578987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 579eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 580987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 581987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 582987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 583987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 584987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 585987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 586987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 587987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 588987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 589987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 590987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 591987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 592987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 593987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 594987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 595987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 596987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 597987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 598987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 599987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 600987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 601987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 602987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 603fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 604987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 60755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 60855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 60955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 611987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 612987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 61355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 614987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 615b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 616fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 617eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 618987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 619987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 621987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 622987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 623fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 624987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 625987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 626fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 627987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 628987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 629fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 630987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 631987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 632fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 633987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 634987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 635fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 636987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 637987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 638fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 639987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 640987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 641fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 642987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 643987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 644fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 645987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 646987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 647fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 648987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 649987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 650fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 651987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 652f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 653fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 654f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 655f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 656fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 657f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 658987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 659fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 660987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 662987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 663987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 664987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 6659b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 666987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 667987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 668b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 669eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 670eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 671eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 672987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 6739b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 674987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 6751cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 6762f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 6772f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 6782f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 6792f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 6802f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 6812f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 6822f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 6832f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 6842f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 6852f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 6862f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 6872f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 6882f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 6892f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 690fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 691fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 6922f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 6932f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 694fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) { 6951ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 6962f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 6972f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 699fec54013fcd0eb72642741584ca04c1bc292bef8John McCall while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) ; 7002f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7012f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 7022f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 7032f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 7053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 7063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 7083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 7093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 7103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 7113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 7123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 7143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 7153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 7173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 7183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 7203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 7213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 7233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 7243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 72546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 72646df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 72746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 7283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 7293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 7303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 7313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 7333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 7343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 7353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 7363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 7372d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 7383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Id) { 7393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor assert(Tok.is(tok::less) && "Expected '<' to finish parsing a template-id"); 7403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 7413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 7423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 7433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 7443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 745014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 746014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, Id, ObjectType, EnteringContext, 747014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor Template); 7483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 7493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 750014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 751014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 752014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 753014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 7542d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 7553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 756014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 7573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 758014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 759014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 760014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 7612d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 762014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor Template = Actions.ActOnDependentTemplateName(SourceLocation(), SS, 763014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, ObjectType); 7642d1c21414199a7452f122598189363a3922605b1Douglas Gregor TNK = TNK_Dependent_template_name; 7652d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (!Template.get()) 7662d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 7672d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 768014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 7692d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 7702d1c21414199a7452f122598189363a3922605b1Douglas Gregor 7712d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (TNK == TNK_Non_template && Id.DestructorName == 0) { 7722d1c21414199a7452f122598189363a3922605b1Douglas Gregor // The identifier following the destructor did not refer to a template 7732d1c21414199a7452f122598189363a3922605b1Douglas Gregor // or to a type. Complain. 7742d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) 7752d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(NameLoc, diag::err_ident_in_pseudo_dtor_not_a_type) 7762d1c21414199a7452f122598189363a3922605b1Douglas Gregor << Name; 7772d1c21414199a7452f122598189363a3922605b1Douglas Gregor else 7782d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(NameLoc, diag::err_destructor_class_name); 7792d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 7802d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 7812d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 7823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 783014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 7843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 7853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 7863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 7873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 7883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 7893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 7903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 7913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 7923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 7933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 7943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 7953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsTypeList TemplateArgIsType; 7963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgLocationList TemplateArgLocations; 7973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 7983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 7993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 8003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsType, 8013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgLocations, 8023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 8033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 8043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 8063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.getKind() == UnqualifiedId::IK_OperatorFunctionId) { 8073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 8083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 8093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 8103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 8113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 8133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 814014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 8153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 8163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 817014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 818014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 819014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 8203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Template = Template.getAs<void*>(); 8233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 8243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 8253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 8263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor void **Args = TemplateId->getTemplateArgs(); 8273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool *ArgIsType = TemplateId->getTemplateArgIsType(); 8283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation *ArgLocs = TemplateId->getTemplateArgLocations(); 8293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 8303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Arg != ArgEnd; ++Arg) { 8313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 8323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ArgIsType[Arg] = TemplateArgIsType[Arg]; 8333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ArgLocs[Arg] = TemplateArgLocations[Arg]; 8343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 8373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 8383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 8413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 8423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsType.data(), 8433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 8443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 8463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Type 8473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = Actions.ActOnTemplateIdType(Template, NameLoc, 8483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 8493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &TemplateArgLocations[0], 8503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 8513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 8523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 8533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 8553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 8563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 8573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 8583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 8603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 8613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 8633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// name of an entity. 8643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \code 8663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// unqualified-id: [C++ expr.prim.general] 8673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier 8683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id 8693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id 8703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// [C++0x] literal-operator-id [TODO] 8713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ~ class-name 8723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// template-id 8733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 8753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 8763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator: one of 8783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 8793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 8803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 8813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 8823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 8833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 8843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 8863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 8873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 8893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 8903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 8923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 8933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 8943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 8963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 8973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 8993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 9003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 9023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 9043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 90546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 90646df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 90746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 9083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 9093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 9113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 9123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 9133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 9142d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 9153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 9163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 9173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 9183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 9193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 9203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 9213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 9223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 9233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 9253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.isCurrentClassName(*Id, CurScope, &SS)) { 9263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 9273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, CurScope, 9283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, false), 9293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 9303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 9313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 9323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 9333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 9363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 9373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 9382d1c21414199a7452f122598189363a3922605b1Douglas Gregor ObjectType, Result); 9393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 9443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 9453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 9463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // FIXME: Could this be a constructor name??? 9473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 9493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 9503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setTemplateId( 9513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue())); 9523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 9533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 9573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 9583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 9593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 9603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the 'operator' keyword. 9613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 9623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Determine what kind of operator name we have. 9643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor unsigned SymbolIdx = 0; 9653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation SymbolLocations[3]; 9663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor OverloadedOperatorKind Op = OO_None; 9673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Tok.getKind()) { 9683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::kw_new: 9693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::kw_delete: { 9703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 9713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the 'new' or 'delete'. 9723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 9733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::l_square)) { 9743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the '['. 9753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 9763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the ']'. 9773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 9783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LBracketLoc); 9793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (RBracketLoc.isInvalid()) 9803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 9813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 9833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 9843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 9853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 9863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = isNew? OO_New : OO_Delete; 9873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 9893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 9923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::Token: \ 9933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 9943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = OO_##Name; \ 9953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 9963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor #define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 9973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor #include "clang/Basic/OperatorKinds.def" 9983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::l_paren: { 10003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the '('. 10013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 10023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the ')'. 10033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 10043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LParenLoc); 10053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (RParenLoc.isInvalid()) 10063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 10093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 10103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = OO_Call; 10113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::l_square: { 10153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the '['. 10163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 10173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the ']'. 10183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 10193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LBracketLoc); 10203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (RBracketLoc.isInvalid()) 10213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 10243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 10253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = OO_Subscript; 10263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::code_completion: { 10303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Code completion for the operator name. 10313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.CodeCompleteOperatorName(CurScope); 10323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the operator token. 10343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 10353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Don't try to parse any further. 10373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 10413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Op != OO_None) { 10453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an operator-function-id. 10463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 10473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 10493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 10503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 10512d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, ObjectType, 10522d1c21414199a7452f122598189363a3922605b1Douglas Gregor Result); 10533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse a conversion-function-id. 10583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // 10593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id: [C++ 12.3.2] 10603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator conversion-type-id 10613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // 10623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-type-id: 10633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // type-specifier-seq conversion-declarator[opt] 10643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // 10653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-declarator: 10663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // ptr-operator conversion-declarator[opt] 10673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the type-specifier-seq. 10693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor DeclSpec DS; 10703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) 10713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the conversion-declarator, which is merely a sequence of 10743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // ptr-operators. 10753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Declarator D(DS, Declarator::TypeNameContext); 10763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 10773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Finish up the type. 10793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Ty = Actions.ActOnTypeName(CurScope, D); 10803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Ty.isInvalid()) 10813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a conversion-function-id. 10843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 10853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor D.getSourceRange().getEnd()); 10863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if ((AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 10903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 10913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 10923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 10933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 10943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 10963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 10973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 10993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 11003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Diag(Tok, diag::err_destructor_class_name); 11013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 11053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 11063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 11073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11082d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (Tok.is(tok::less)) { 11092d1c21414199a7452f122598189363a3922605b1Douglas Gregor Result.setDestructorName(TildeLoc, 0, ClassNameLoc); 11102d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 11112d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, ObjectType, Result); 11122d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 11132d1c21414199a7452f122598189363a3922605b1Douglas Gregor 11143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 11153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeTy *Ty = Actions.getTypeName(*ClassName, ClassNameLoc, 11163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor CurScope, &SS); 11173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (!Ty) { 11182d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) 11192d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(ClassNameLoc, diag::err_ident_in_pseudo_dtor_not_a_type) 11202d1c21414199a7452f122598189363a3922605b1Douglas Gregor << ClassName; 11212d1c21414199a7452f122598189363a3922605b1Douglas Gregor else 11222d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(ClassNameLoc, diag::err_destructor_class_name); 11233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 11273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11302d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 11312d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 11323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 11343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 113543c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor/// TryParseOperatorFunctionId - Attempts to parse a C++ overloaded 11361cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator name (C++ [over.oper]). If successful, returns the 11371cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// predefined identifier that corresponds to that overloaded 11381cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator. Otherwise, returns NULL and does not consume any tokens. 11391cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 11401cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator-function-id: [C++ 13.5] 11411cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 'operator' operator 11421cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 11431cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator: one of 11441cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// new delete new[] delete[] 11451cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// + - * / % ^ & | ~ 11461cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ! = < > += -= *= /= %= 11471cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ^= &= |= << >> >>= <<= == != 11481cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// <= >= && || ++ -- , ->* -> 11491cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// () [] 1150ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlOverloadedOperatorKind 1151ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TryParseOperatorFunctionId(SourceLocation *EndLoc) { 11529057a81efaf15c543aab1c5c8488e8a9ed2c0ff4Argyrios Kyrtzidis assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1153ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 11541cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 11551cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor OverloadedOperatorKind Op = OO_None; 11561cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor switch (NextToken().getKind()) { 11571cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_new: 11581cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 1159ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'new' 11601cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 11611cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 1162ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 11631cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 11641cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_New; 11651cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 11661cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_New; 11671cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 1168ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1169ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1170e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 11711cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 11721cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_delete: 11731cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 1174ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'delete' 11751cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 11761cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 1177ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 11781cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 11791cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_Delete; 11801cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 11811cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Delete; 11821cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 1183ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1184ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1185e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 11861cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 118702bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 11881cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::Token: Op = OO_##Name; break; 118902bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 11901cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor#include "clang/Basic/OperatorKinds.def" 11911cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 11921cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_paren: 11931cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 11941cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeParen(); // '(' 1195ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 11961cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_paren, diag::err_expected_rparen); // ')' 1197ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1198ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1199e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Call; 12001cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 12011cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_square: 12021cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 12031cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 1204ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 12051cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 1206ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1207ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1208e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Subscript; 12091cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1210ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor case tok::code_completion: { 1211ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor // Code completion for the operator name. 1212ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor Actions.CodeCompleteOperatorName(CurScope); 1213ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor 1214ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor // Consume the 'operator' token, then replace the code-completion token 1215ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor // with an 'operator' token and try again. 1216ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor SourceLocation OperatorLoc = ConsumeToken(); 1217ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor Tok.setLocation(OperatorLoc); 1218ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor Tok.setKind(tok::kw_operator); 1219ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor return TryParseOperatorFunctionId(EndLoc); 1220ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor } 1221ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor 12221cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor default: 1223e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_None; 12241cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 122543c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor 122643c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor ConsumeToken(); // 'operator' 1227ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeAnyToken(); // the operator itself 1228ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1229ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1230e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 12311cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 12322f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 12332f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseConversionFunctionId - Parse a C++ conversion-function-id, 12342f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// which expresses the name of a user-defined conversion operator 12352f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// (C++ [class.conv.fct]p1). Returns the type that this operator is 12362f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// specifying a conversion for, or NULL if there was an error. 12372f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 12382f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-function-id: [C++ 12.3.2] 12392f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// operator conversion-type-id 12402f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 12412f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-type-id: 12422f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq conversion-declarator[opt] 12432f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 12442f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-declarator: 12452f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ptr-operator conversion-declarator[opt] 1246ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TypeTy *Parser::ParseConversionFunctionId(SourceLocation *EndLoc) { 12472f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 12482f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor ConsumeToken(); // 'operator' 12492f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 12502f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the type-specifier-seq. 12512f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DeclSpec DS; 12522f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) 12532f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 12542f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 12552f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 12562f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // ptr-operators. 12572f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 12584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1259ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1260ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = D.getSourceRange().getEnd(); 12612f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 12622f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Finish up the type. 12632f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Action::TypeResult Result = Actions.ActOnTypeName(CurScope, D); 12645ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) 12652f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 12662f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor else 12675ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor return Result.get(); 12682f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 12694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 12714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 127359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 127459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 127559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 12764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 12774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 12784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 12794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 12804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 12814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 12824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 12834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 12844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 12854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1286cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1287cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1288cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1289cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1290cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1291cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1292cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 12934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 12944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 12954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 12964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 129759232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 129859232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 129959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 130059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 13014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 13034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 13044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1305a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 13064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 13074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 1309cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 1310cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 13114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 13124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 13134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1314cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1315cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 131620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1317cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1320cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1321cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 132220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1323cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1325cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 13264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 13274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 13284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 13294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 13304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 13314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 1332cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 1333cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1334ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1335cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 1336cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 13374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 13384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1339cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1340cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1341ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1342ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1343cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1344cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1345ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 13464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 13474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 13484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 13494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1350cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1351cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1352cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1353cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1354ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1355ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1356cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1357cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1358ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 13594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 13604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1361eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1362cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 136320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1364cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1366a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 13674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 13684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 13704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 13714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 13724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1373cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1374cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 137520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1376cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 13784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1379cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1380cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 138120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1382cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 13844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1385f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1386f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 1387f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 1388f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 13894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 13904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 13924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 13934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 13944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 13954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 13964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 13974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 139859232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 13994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 14004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 14014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 14024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 14032f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 14042f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 14050e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 14064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 14074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 14084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 14094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 14114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1412ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 14134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 14147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 1415ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 14164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1417ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 14184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 14194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 14234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 14244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 14264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 14274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 14304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 14314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1432cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 143359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 14344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 14354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1436cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1437ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1438cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1439eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 14404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 14434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 14444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 14454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 14464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 14494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 14504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 145159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 145259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 145359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 145459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 145559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 14564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 14574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 14584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 145959232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 146059232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 146159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 146259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 14634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 14654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 14664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 14674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 14684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 14694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 14704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 147120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 14724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14742f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 14750e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 147620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 14774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1478f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 14794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 148064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 148264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 148364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 148464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 148564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 148664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 148764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 148864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 148964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 149064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 149164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 149264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 149364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 149464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 149564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 149664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 149764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 149864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 149964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 150064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 150164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 150264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 150364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 150464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 150564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 150664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 150764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 150864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::OwningExprResult Parser::ParseUnaryTypeTrait() { 151064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 151164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 151264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 151364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 151464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 151564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 151664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 151764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 151864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 151964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1520809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 152164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 152264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 152364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1524809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1525809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1526809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1527809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 152864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1529f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1530f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1531f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1532f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1533f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1534f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1535f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1536f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1537f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1538f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1539f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1540f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1541f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1542f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1543f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1544f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1545f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1546f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1547f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1548f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1549f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1550f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1551f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1552f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1553f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1554f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1555f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1556f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1557a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1558f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1559f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1560f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1561f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1562f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1563f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 1565f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1566f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1567f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1568f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 1569f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, tok::unknown, Toks, tok::semi)) { 1570f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1571f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1572f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1573f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1574f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1575f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1576f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1577f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1578f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1579b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1580b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1581b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1582b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1583b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1584b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1585b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1586b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1587b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 15882ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1589b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1590f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1591f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1592f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1593f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1594f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1595f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 15961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 1597f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1598f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1599f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1600f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1601f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1602f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1603f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1604f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1605f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1606f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1607f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1608f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1609f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1610f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1611f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1612f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1613f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1614f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1615f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1616f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1617f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1618f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1620f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1621f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1622f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1623f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1624f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1625f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1626f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1627f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1628f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1629f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 16301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 16312ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1632f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1633f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 16341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1635f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1636f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1637f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1638f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1639f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1640f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1641f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1642f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1643f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1644f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1645f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1646f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1647f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1649f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1650f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1651f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1652f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1653f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1654f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1655f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1656