ParseExprCXX.cpp revision 02a24ee67c0a91bdb0db8a651d5748595652e670
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 1281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy Template 12977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner = Actions.ActOnDependentTemplateName(TemplateKWLoc, 13077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner *Tok.getIdentifierInfo(), 1312dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor Tok.getLocation(), SS, 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; 2232dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(CurScope, II, 2242dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor Tok.getLocation(), 2252dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor &SS, 2262dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 227495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 228495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Template)) { 2295c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 2305c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 2315c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 2325c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 2335c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 2345c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 235c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK, &SS, SourceLocation(), 236c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner false)) 237c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 2385c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2395c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2405c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2415c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 24239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 24339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 24439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 24539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 248eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 249eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 250eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 251eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 252eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 253eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 254eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 255eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 256eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id: 257eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// identifier 258eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// operator-function-id 259eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// conversion-function-id [TODO] 260eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '~' class-name [TODO] 261edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// template-id 262eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 263eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 264eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 265eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 266eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 267edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 268eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 269eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 270eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 271eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 272eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 273eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier 'template'[opt] simple-template-id '::' [TODO] 274eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 275eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 276eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 277eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 278eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 279eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 280eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 281eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 282eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 283eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 284eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 285eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 286eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 287eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 288eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 289eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 290eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 291eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 292eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 293eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 294eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 295eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 296eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 297eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 298eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 299eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 300ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 301ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 302ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 303ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 304ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 305ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 306eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 307eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 308eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 309eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 310eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 3112dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 31202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 31302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 31402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 31502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 31602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 31702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 31802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 31902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 32002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 32102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return Actions.ActOnIdExpression(CurScope, SS, Name, Tok.is(tok::l_paren), 32202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 32302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 32402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor#if 0 325eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // unqualified-id: 326eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // identifier 327eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // operator-function-id 3282def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // conversion-function-id 329eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '~' class-name [TODO] 330edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor // template-id 331eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 332eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis switch (Tok.getKind()) { 333eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis default: 33420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(Tok, diag::err_expected_unqualified_id)); 335eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 336eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis case tok::identifier: { 337eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Consume the identifier so that we can see if it is followed by a '('. 338eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis IdentifierInfo &II = *Tok.getIdentifierInfo(); 339eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SourceLocation L = ConsumeToken(); 340ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl return Actions.ActOnIdentifierExpr(CurScope, L, II, Tok.is(tok::l_paren), 341ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl &SS, isAddressOfOperand); 342eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 343eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 344eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis case tok::kw_operator: { 345eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SourceLocation OperatorLoc = Tok.getLocation(); 3467452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner if (OverloadedOperatorKind Op = TryParseOperatorFunctionId()) 347cd965b97cfac7b7a53a835810ec2bc2ac7a9dd1aSebastian Redl return Actions.ActOnCXXOperatorFunctionIdExpr( 348ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl CurScope, OperatorLoc, Op, Tok.is(tok::l_paren), SS, 349ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl isAddressOfOperand); 3507452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner if (TypeTy *Type = ParseConversionFunctionId()) 351cd965b97cfac7b7a53a835810ec2bc2ac7a9dd1aSebastian Redl return Actions.ActOnCXXConversionFunctionExpr(CurScope, OperatorLoc, Type, 352ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl Tok.is(tok::l_paren), SS, 353ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl isAddressOfOperand); 35420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 3552def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // We already complained about a bad conversion-function-id, 3562def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // above. 35720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 358eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 359eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 360edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor case tok::annot_template_id: { 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 362edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 363edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor assert((TemplateId->Kind == TNK_Function_template || 364edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) && 365edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor "A template type name is not an ID expression"); 366edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 368edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->getTemplateArgs(), 369edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->getTemplateArgIsType(), 370edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->NumArgs); 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 372edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor OwningExprResult Result 373f17bb74e74aca9bb0525d2249041ab65c7d1fd48Douglas Gregor = Actions.ActOnTemplateIdExpr(SS, 374f17bb74e74aca9bb0525d2249041ab65c7d1fd48Douglas Gregor TemplateTy::make(TemplateId->Template), 375edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->TemplateNameLoc, 376edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->LAngleLoc, 377edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateArgsPtr, 378edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->getTemplateArgLocations(), 379edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->RAngleLoc); 380edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor ConsumeToken(); // Consume the template-id token 381edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor return move(Result); 382edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 383edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor 384eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } // switch. 385eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 386eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis assert(0 && "The switch was supposed to take care everything."); 38702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor#endif 388eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 389eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 39920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 41520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 417809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4201ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 42120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 42621e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42821e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 43121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (Result.isInvalid()) 43221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis SkipUntil(tok::r_paren); 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43421e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 43521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 43621e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis else 43721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 439809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 44049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 441f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 442809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 443f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 44520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 448c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 449c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 450c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 451c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 452c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 453c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 45420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 455c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 456c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 457c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 458c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 459c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 460c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 461c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 462c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 463c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 46420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 465c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 46615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 467c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 468c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 469809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 471c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 473c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 474809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 47520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 476c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 477c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 478809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 479c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 480e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 483e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 484e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 486e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 487ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 488ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 489ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 490c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 491c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 492c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 4930e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 494c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 495c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 496c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 497c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 498c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 499effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 500c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 501c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 502c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 50320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 504c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 505c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 51120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 513f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 51550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 51650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 51750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 51850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 51950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 52020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 52150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 52250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 52320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 5242a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 5252a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 5262a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 5272a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 5282a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 5292a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 5302a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 5312a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 5322a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 5332a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 534f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 53550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 5362a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 5372f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 53820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 539f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 5402a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 54150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 5424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 5444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 5454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 5464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 5474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 54820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 5494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 5504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 551f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 5524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 553987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 554987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 555987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 556987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 557987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 558987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 559987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 560987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 561987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 562987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 56320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 56420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 565987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 5665ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 567987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 568987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 569987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 570987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 571a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 572987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 573987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 574987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 575987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 576987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 57720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 578987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 579987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 580987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 581987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 582987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 583987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 584ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 585ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 586ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 587ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 588987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 589987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 590f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 591f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 592beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 593987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 594987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 59571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// ParseCXXCondition - if/switch/while/for condition expression. 59671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 59771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 59871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 59971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 60071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 60171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 60271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 6032f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian RedlParser::OwningExprResult Parser::ParseCXXCondition() { 604a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis if (!isCXXConditionDeclaration()) 60571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis return ParseExpression(); // expression 60671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 60771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation StartLoc = Tok.getLocation(); 60871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 60971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 61071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 61171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 61271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 61371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 61471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 61571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 61671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 61771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 61871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 619ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 620ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 6210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 62271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 6232f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 62471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 625effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 626ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 62771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 62871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 62971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 630ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 631ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 632ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 633ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 634ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 63571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 63671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 63771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.isNot(tok::equal)) 6382f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_equal_after_declarator)); 63971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation EqualLoc = ConsumeToken(); 6402f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult AssignExpr(ParseAssignmentExpression()); 6410e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AssignExpr.isInvalid()) 6422f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 6432f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 644f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXConditionDeclarationExpr(CurScope, StartLoc, 645f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl DeclaratorInfo,EqualLoc, 646f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move(AssignExpr)); 64771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 64871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 649987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 650987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 651987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 652987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 653987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 654eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 655987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 656987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 657987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 658987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 659987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 660987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 661987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 662987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 663987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 664987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 665987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 666987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 667987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 668987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 669987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 670987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 671987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 672987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 673987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 674987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 675987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 676987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 677987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 678fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 679987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 681987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 68255a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 68355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 68455a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 686987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 687987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 68855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 689987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 690b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 691fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 692eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 693987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 694987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 6951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 696987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 697987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 698fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 699987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 700987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 701fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 702987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 703987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 704fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 705987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 706987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 707fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 708987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 709987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 710fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 711987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 712987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 713fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 714987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 715987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 716fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 717987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 718987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 719fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 720987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 721987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 722fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 723987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 724987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 725fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 726987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 727f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 728fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 729f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 730f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 731fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 732f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 733987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 734fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 735987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 737987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 738987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 739987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 7409b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 741987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 742987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 743b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 744eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 745eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 746eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 747987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 7489b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 749987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 7501cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7512f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 7522f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 7532f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 7542f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 7552f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 7562f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 7572f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 7582f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7592f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 7602f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 7612f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7622f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 7632f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 7642f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 765fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 766fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 7672f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7682f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 769fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) { 7701ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 7712f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 7722f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 774fec54013fcd0eb72642741584ca04c1bc292bef8John McCall while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) ; 7752f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7762f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 7772f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 7782f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 7803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 7813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 7833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 7843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 7853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 7863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 7873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 7893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 7903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 7923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 7933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 7953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 7963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 7973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 7983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 7993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 8013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 8023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 8033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 8053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 8063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 8073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 8083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 8093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Id) { 8103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor assert(Tok.is(tok::less) && "Expected '<' to finish parsing a template-id"); 8113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 8133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 8143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 8153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 8163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TNK = Actions.isTemplateName(CurScope, *Id.Identifier, Id.StartLocation, 8173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, /*ObjectType=*/0, EnteringContext, 8183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Template); 8193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 8203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_OperatorFunctionId: { 8223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // FIXME: Temporary hack: warn that we are completely ignoring the 8233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template arguments for now. 8243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 8253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 8263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 8273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsTypeList TemplateArgIsType; 8283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgLocationList TemplateArgLocations; 8293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 8303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 8313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 8323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsType, 8333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgLocations, 8343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 8353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 8363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Diag(Id.StartLocation, diag::warn_operator_template_id_ignores_args) 8383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 8393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 8403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_ConstructorName: 8433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TNK = Actions.isTemplateName(CurScope, *Name, NameLoc, 8443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, /*ObjectType=*/0, EnteringContext, 8453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Template); 8463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 8473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_DestructorName: 8493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TNK = Actions.isTemplateName(CurScope, *Name, NameLoc, 8503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, /*ObjectType=*/0, EnteringContext, 8513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Template); 8523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 8533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 8553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 8563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 8593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 8603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 8623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 8633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 8643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsTypeList TemplateArgIsType; 8653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgLocationList TemplateArgLocations; 8663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 8673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 8683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 8693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsType, 8703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgLocations, 8713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 8723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 8733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 8753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.getKind() == UnqualifiedId::IK_OperatorFunctionId) { 8763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 8773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 8783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 8793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 8803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 8823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 8833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 8843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 8853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // FIXME: Handle IK_OperatorFunctionId 8863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 8873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 8883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Template = Template.getAs<void*>(); 8893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 8903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 8913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 8923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor void **Args = TemplateId->getTemplateArgs(); 8933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool *ArgIsType = TemplateId->getTemplateArgIsType(); 8943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation *ArgLocs = TemplateId->getTemplateArgLocations(); 8953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 8963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Arg != ArgEnd; ++Arg) { 8973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 8983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ArgIsType[Arg] = TemplateArgIsType[Arg]; 8993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ArgLocs[Arg] = TemplateArgLocations[Arg]; 9003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 9033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 9073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 9083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgIsType.data(), 9093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 9103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 9123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Type 9133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = Actions.ActOnTemplateIdType(Template, NameLoc, 9143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 9153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &TemplateArgLocations[0], 9163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 9173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 9183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 9193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 9213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 9223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 9233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 9243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 9273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 9293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// name of an entity. 9303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \code 9323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// unqualified-id: [C++ expr.prim.general] 9333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier 9343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id 9353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id 9363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// [C++0x] literal-operator-id [TODO] 9373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ~ class-name 9383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// template-id 9393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 9413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 9423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator: one of 9443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 9453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 9463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 9473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 9483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 9493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 9503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 9523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 9533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 9553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 9563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 9583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 9593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 9603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 9623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 9633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 9653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 9663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 9683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 9703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 9723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 9743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 9753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 9763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 9773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 9783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 9793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 9803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 9813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 9823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 9833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 9843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 9853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 9873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.isCurrentClassName(*Id, CurScope, &SS)) { 9883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 9893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, CurScope, 9903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, false), 9913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 9923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 9933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 9943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 9953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 9983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 9993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 10003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result); 10013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 10063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 10073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 10083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // FIXME: Could this be a constructor name??? 10093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 10113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 10123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setTemplateId( 10133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue())); 10143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 10153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 10193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 10203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 10213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 10223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the 'operator' keyword. 10233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 10243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Determine what kind of operator name we have. 10263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor unsigned SymbolIdx = 0; 10273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation SymbolLocations[3]; 10283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor OverloadedOperatorKind Op = OO_None; 10293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Tok.getKind()) { 10303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::kw_new: 10313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::kw_delete: { 10323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 10333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the 'new' or 'delete'. 10343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 10353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::l_square)) { 10363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the '['. 10373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 10383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the ']'. 10393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 10403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LBracketLoc); 10413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (RBracketLoc.isInvalid()) 10423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 10453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 10463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 10473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 10483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = isNew? OO_New : OO_Delete; 10493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 10543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::Token: \ 10553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 10563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = OO_##Name; \ 10573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor #define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 10593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor #include "clang/Basic/OperatorKinds.def" 10603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::l_paren: { 10623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the '('. 10633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 10643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the ')'. 10653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 10663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LParenLoc); 10673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (RParenLoc.isInvalid()) 10683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 10713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 10723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = OO_Call; 10733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::l_square: { 10773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the '['. 10783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 10793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the ']'. 10803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 10813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LBracketLoc); 10823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (RBracketLoc.isInvalid()) 10833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 10863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 10873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Op = OO_Subscript; 10883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case tok::code_completion: { 10923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Code completion for the operator name. 10933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.CodeCompleteOperatorName(CurScope); 10943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the operator token. 10963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 10973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Don't try to parse any further. 10993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 11033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 11043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Op != OO_None) { 11073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an operator-function-id. 11083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 11093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 11113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 11123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 11133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor EnteringContext, Result); 11143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse a conversion-function-id. 11193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // 11203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id: [C++ 12.3.2] 11213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator conversion-type-id 11223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // 11233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-type-id: 11243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // type-specifier-seq conversion-declarator[opt] 11253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // 11263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-declarator: 11273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // ptr-operator conversion-declarator[opt] 11283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the type-specifier-seq. 11303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor DeclSpec DS; 11313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) 11323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the conversion-declarator, which is merely a sequence of 11353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // ptr-operators. 11363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Declarator D(DS, Declarator::TypeNameContext); 11373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 11383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Finish up the type. 11403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Ty = Actions.ActOnTypeName(CurScope, D); 11413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Ty.isInvalid()) 11423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a conversion-function-id. 11453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 11463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor D.getSourceRange().getEnd()); 11473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if ((AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 11513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 11523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 11533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 11543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 11553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 11573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 11583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 11603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 11613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Diag(Tok, diag::err_destructor_class_name); 11623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 11663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 11673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 11683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 11703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeTy *Ty = Actions.getTypeName(*ClassName, ClassNameLoc, 11713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor CurScope, &SS); 11723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (!Ty) { 11733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Diag(ClassNameLoc, diag::err_destructor_class_name); 11743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 11783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 11803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 11813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor EnteringContext, Result); 11823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Diag(Tok, diag::err_expected_unqualified_id); 11873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 11893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 119043c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor/// TryParseOperatorFunctionId - Attempts to parse a C++ overloaded 11911cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator name (C++ [over.oper]). If successful, returns the 11921cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// predefined identifier that corresponds to that overloaded 11931cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator. Otherwise, returns NULL and does not consume any tokens. 11941cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 11951cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator-function-id: [C++ 13.5] 11961cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 'operator' operator 11971cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 11981cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator: one of 11991cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// new delete new[] delete[] 12001cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// + - * / % ^ & | ~ 12011cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ! = < > += -= *= /= %= 12021cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ^= &= |= << >> >>= <<= == != 12031cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// <= >= && || ++ -- , ->* -> 12041cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// () [] 1205ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlOverloadedOperatorKind 1206ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TryParseOperatorFunctionId(SourceLocation *EndLoc) { 12079057a81efaf15c543aab1c5c8488e8a9ed2c0ff4Argyrios Kyrtzidis assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1208ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 12091cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 12101cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor OverloadedOperatorKind Op = OO_None; 12111cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor switch (NextToken().getKind()) { 12121cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_new: 12131cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 1214ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'new' 12151cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 12161cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 1217ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 12181cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 12191cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_New; 12201cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 12211cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_New; 12221cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 1223ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1224ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1225e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 12261cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 12271cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_delete: 12281cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 1229ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'delete' 12301cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 12311cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 1232ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 12331cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 12341cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_Delete; 12351cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 12361cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Delete; 12371cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 1238ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1239ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1240e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 12411cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 124202bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 12431cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::Token: Op = OO_##Name; break; 124402bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 12451cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor#include "clang/Basic/OperatorKinds.def" 12461cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 12471cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_paren: 12481cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 12491cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeParen(); // '(' 1250ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 12511cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_paren, diag::err_expected_rparen); // ')' 1252ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1253ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1254e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Call; 12551cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 12561cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_square: 12571cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 12581cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 1259ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 12601cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 1261ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1262ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1263e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Subscript; 12641cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1265ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor case tok::code_completion: { 1266ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor // Code completion for the operator name. 1267ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor Actions.CodeCompleteOperatorName(CurScope); 1268ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor 1269ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor // Consume the 'operator' token, then replace the code-completion token 1270ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor // with an 'operator' token and try again. 1271ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor SourceLocation OperatorLoc = ConsumeToken(); 1272ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor Tok.setLocation(OperatorLoc); 1273ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor Tok.setKind(tok::kw_operator); 1274ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor return TryParseOperatorFunctionId(EndLoc); 1275ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor } 1276ed8d322b4086b8b1e1f78b21389cabb23457dcb3Douglas Gregor 12771cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor default: 1278e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_None; 12791cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 128043c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor 128143c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor ConsumeToken(); // 'operator' 1282ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeAnyToken(); // the operator itself 1283ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1284ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 1285e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 12861cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 12872f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 12882f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseConversionFunctionId - Parse a C++ conversion-function-id, 12892f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// which expresses the name of a user-defined conversion operator 12902f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// (C++ [class.conv.fct]p1). Returns the type that this operator is 12912f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// specifying a conversion for, or NULL if there was an error. 12922f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 12932f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-function-id: [C++ 12.3.2] 12942f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// operator conversion-type-id 12952f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 12962f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-type-id: 12972f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq conversion-declarator[opt] 12982f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 12992f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-declarator: 13002f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ptr-operator conversion-declarator[opt] 1301ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TypeTy *Parser::ParseConversionFunctionId(SourceLocation *EndLoc) { 13022f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 13032f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor ConsumeToken(); // 'operator' 13042f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 13052f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the type-specifier-seq. 13062f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DeclSpec DS; 13072f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) 13082f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 13092f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 13102f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 13112f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // ptr-operators. 13122f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 13134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1314ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1315ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = D.getSourceRange().getEnd(); 13162f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 13172f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Finish up the type. 13182f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Action::TypeResult Result = Actions.ActOnTypeName(CurScope, D); 13195ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) 13202f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 13212f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor else 13225ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor return Result.get(); 13232f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 13244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 13264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 132859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 132959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 133059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 13314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 13324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 13334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 13344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 13354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 13364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 13374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 13384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 13394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 13404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1341cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1342cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1343cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1344cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1345cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1346cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1347cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 13484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 13494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 13504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 13514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 135259232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 135359232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 135459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 135559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 13564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 13584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 13594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1360a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 13614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 13624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 1364cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 1365cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 13664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 13674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 13684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1369cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1370cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 137120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1372cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 13744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1375cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1376cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 137720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1378cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 13794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1380cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 13814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 13824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 13834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 13844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 13854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 13864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 1387cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 1388cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1389ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1390cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 1391cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 13924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 13934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1394cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1395cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1396ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1397ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1398cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1399cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1400ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 14024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1405cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1406cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1407cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1408cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1409ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1410ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1411cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1412cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1413ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 14154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1416eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1417cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 141820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1419cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1421a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 14224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 14234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 14254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 14264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 14274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1428cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1429cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 143020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1431cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1434cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1435cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 143620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1437cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1440f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1441f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 1442f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 1443f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 14444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 14474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 14484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 14504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 14514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 14524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 145359232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 14544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 14554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 14564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 14574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 14582f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 14592f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 14600e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 14614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 14624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 14634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 14644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 14664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1467ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 14684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 14697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 1470ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 14714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1472ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 14734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 14744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 14764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 14784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 14794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 14814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 14824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 14854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 14864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1487cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 148859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 14894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 14904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1491cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1492ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1493cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1494eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 14954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 14984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 14994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 15004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 15014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 15044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 15054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 150659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 150759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 150859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 150959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 151059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 15114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 15124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 15134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 151459232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 151559232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 151659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 151759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 15184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 15204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 15214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 15224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 15234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 15244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 15254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 152620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 15274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15292f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 15300e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 153120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 15324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1533f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 15344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 153564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 153764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 153864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 153964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 154064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 154164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 154264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 154364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 154464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 154564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 154664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 154764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 154864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 154964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 155064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 155164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 155264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 155364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 155464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 155564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 155664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 155764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 155864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 155964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 156064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 156164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 156264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 156364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::OwningExprResult Parser::ParseUnaryTypeTrait() { 156564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 156664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 156764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 156864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 156964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 157064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 157164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 157264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 157364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 157464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1575809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 157664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 157764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 157864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1579809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1580809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1581809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1582809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 158364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1584f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1585f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1586f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1587f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1588f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1589f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1590f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1591f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1592f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1593f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1594f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1595f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1596f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1597f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1598f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1599f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1600f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1601f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1602f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1603f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1604f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1605f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1606f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1607f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1608f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1609f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1610f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1611f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1612a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1613f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1614f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1615f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1616f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1617f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1618f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 1620f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1621f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1622f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1623f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 1624f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, tok::unknown, Toks, tok::semi)) { 1625f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1626f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1627f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1628f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1629f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1630f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1631f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1632f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1633f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1634b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1635b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1636b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1637b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1638b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1639b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1640b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1641b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1642b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 16432ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1644b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1645f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1646f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1647f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1648f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1649f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1650f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 1652f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1653f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1654f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1655f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1656f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1657f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1658f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1659f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1660f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1661f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1662f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1663f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1664f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1665f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1666f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1667f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1668f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1669f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1670f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1671f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1672f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1673f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 16741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1675f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1676f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1677f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1678f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1679f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1680f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1681f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1682f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1683f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1684f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 16862ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1687f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1688f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 16891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1690f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1691f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1692f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1693f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1694f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1695f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1696f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1697f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1698f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1699f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1700f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1701f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1702f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1704f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1705f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1706f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1707f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1708f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1709f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1710f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1711