ParseExprCXX.cpp revision 396a9f235e160093b5f803f7a6a18fad7b68bdbe
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ParseExprCXX.cpp - C++ Expression Parsing ------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Expression parsing implementation for C++. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 16987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis#include "clang/Parse/DeclSpec.h" 17314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor#include "clang/Parse/Template.h" 183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor#include "llvm/Support/ErrorHandling.h" 193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Parse global scope or nested-name-specifier if present. 232dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 242dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// Parses a C++ global scope specifier ('::') or nested-name-specifier (which 251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// may be preceded by '::'). Note that this routine will not parse ::new or 262dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// ::delete; it will just leave them in the token stream. 27eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 28eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 29eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 30eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 31eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 32eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 33eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 34eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 352dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier 'template'[opt] simple-template-id '::' 362dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 372dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param SS the scope specifier that will be set to the parsed 392dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier (or empty) 402dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param ObjectType if this nested-name-specifier is being parsed following 422dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the "." or "->" of a member access expression, this parameter provides the 432dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// type of the object whose members are being accessed. 44eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 452dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \param EnteringContext whether we will be entering into the context of 462dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the nested-name-specifier after parsing it. 472dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 48d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param MayBePseudoDestructor When non-NULL, points to a flag that 49d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// indicates whether this nested-name-specifier may be part of a 50d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor name. In this case, the flag will be set false 51d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// if we don't actually end up parsing a destructor name. Moreorover, 52d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// if we do end up determining that we are parsing a destructor name, 53d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// the last component of the nested-name-specifier is not parsed as 54d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// part of the scope specifier. 55d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 56b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor/// member access expression, e.g., the \p T:: in \p p->T::m. 57b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor/// 582dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \returns true if a scope specifier was parsed. 59495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, 602dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor Action::TypeTy *ObjectType, 61b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor bool EnteringContext, 62d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool *MayBePseudoDestructor) { 634bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 647452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 66eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 673507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Tok.getAnnotationValue()); 68eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SS.setRange(Tok.getAnnotationRange()); 69eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 704bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis return true; 71eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 72e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 7339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 7439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 755b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 765b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 775b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 785b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 795b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 82357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SourceLocation CCLoc = ConsumeToken(); 83357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setBeginLoc(CCLoc); 843507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Actions.ActOnCXXGlobalScopeSpecifier(CurScope, CCLoc)); 85357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setEndLoc(CCLoc); 8639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 87eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 88eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 89d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool CheckForDestructor = false; 90d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (MayBePseudoDestructor && *MayBePseudoDestructor) { 91d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CheckForDestructor = true; 92d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = false; 93d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 94d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 9539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 962dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (HasScopeSpecifier) { 972dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // C++ [basic.lookup.classref]p5: 982dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If the qualified-id has the form 993b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 1002dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // ::class-name-or-namespace-name::... 1013b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 1022dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // the class-name-or-namespace-name is looked up in global scope as a 1032dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // class-name or namespace-name. 1042dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // 1052dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // To implement this, we clear out the object type as soon as we've 1062dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // seen a leading '::' or part of a nested-name-specifier. 1072dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType = 0; 10881b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 10981b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor if (Tok.is(tok::code_completion)) { 11081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // Code completion for a nested-name-specifier, where the code 11181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // code completion token follows the '::'. 11281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor Actions.CodeCompleteQualifiedId(CurScope, SS, EnteringContext); 11381b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor ConsumeToken(); 11481b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 1152dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor } 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 11877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 11977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 12077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 12177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 12277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 1232dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If we don't have a scope specifier or an object type, this isn't a 124eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // nested-name-specifier, since they aren't allowed to start with 125eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // 'template'. 1262dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (!HasScopeSpecifier && !ObjectType) 127eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 128eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman 1297bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TentativeParsingAction TPA(*this); 13077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 131ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 132ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId TemplateName; 133ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::identifier)) { 134ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1357bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 136ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 137ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else if (Tok.is(tok::kw_operator)) { 138ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, 1397bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName)) { 1407bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 141ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1427bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 143ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 144e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if (TemplateName.getKind() != UnqualifiedId::IK_OperatorFunctionId && 145e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt TemplateName.getKind() != UnqualifiedId::IK_LiteralOperatorId) { 146ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Diag(TemplateName.getSourceRange().getBegin(), 147ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor diag::err_id_after_template_in_nested_name_spec) 148ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor << TemplateName.getSourceRange(); 1497bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 150ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 151ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 152ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1537bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 15477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 15577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1577bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // If the next token is not '<', we have a qualified-id that refers 1587bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // to a template name, such as T::template apply, but is not a 1597bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // template-id. 1607bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor if (Tok.isNot(tok::less)) { 1617bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 1627bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor break; 1637bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 1647bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor 1657bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // Commit to parsing the template-id. 1667bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy Template 168014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor = Actions.ActOnDependentTemplateName(TemplateKWLoc, SS, TemplateName, 169a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor ObjectType, EnteringContext); 170eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman if (!Template) 171eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 172c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, 173ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor &SS, TemplateName, TemplateKWLoc, false)) 174c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 17777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 1801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We have 18139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 18239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 18339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 18439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 185c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 186c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 18839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 189d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde)) { 190d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 191d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return HasScopeSpecifier; 192d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 193d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 1941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (TemplateId->Kind == TNK_Type_template || 195c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 19631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(&SS); 19739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Tok.is(tok::annot_typename) && 19939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor "AnnotateTemplateIdTokenAsType isn't working"); 20039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Token TypeToken = Tok; 20139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor ConsumeToken(); 20239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 20339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 2041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!HasScopeSpecifier) { 20639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setBeginLoc(TypeToken.getLocation()); 20739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 20839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 2091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (TypeToken.getAnnotationValue()) 21131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep( 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, 21331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationValue(), 21431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationRange(), 215b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor CCLoc, 216d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor false)); 21731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 21831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep(0); 21939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 22039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 22167b9e831943300ce54e564e601971828ce4def15Chris Lattner } 2221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22367b9e831943300ce54e564e601971828ce4def15Chris Lattner assert(false && "FIXME: Only type template names supported here"); 22439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 22539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 2265c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2275c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 2285c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 2295c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 2305c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 2315c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2325c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 2335c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2345c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2355c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 2365c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 2375c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 2385c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 23946646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 24046646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If we get foo:bar, this is almost certainly a typo for foo::bar. Recover 24146646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // and emit a fixit hint for it. 242b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor if (Next.is(tok::colon) && !ColonIsSacred) { 24377549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) && 24477549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor !Actions.isNonTypeNestedNameSpecifier(CurScope, SS, Tok.getLocation(), 24577549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor II, ObjectType)) { 246d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 247d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return HasScopeSpecifier; 248d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 249d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 250b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor if (Actions.IsInvalidUnlessNestedName(CurScope, SS, II, 251d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor false, ObjectType, 252b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor EnteringContext) && 253b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // If the token after the colon isn't an identifier, it's still an 254b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // error, but they probably meant something else strange so don't 255b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // recover like this. 256b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor PP.LookAhead(1).is(tok::identifier)) { 257b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Diag(Next, diag::err_unexected_colon_in_nested_name_spec) 258b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor << CodeModificationHint::CreateReplacement(Next.getLocation(), "::"); 259b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor 260b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // Recover as if the user wrote '::'. 261b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Next.setKind(tok::coloncolon); 262b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor } 26346646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner } 26446646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 2655c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 26677549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) && 26777549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor !Actions.isNonTypeNestedNameSpecifier(CurScope, SS, Tok.getLocation(), 26877549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor II, ObjectType)) { 269d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 270d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return HasScopeSpecifier; 271d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 272d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 2735c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 2745c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 2755c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 27646646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner assert((Tok.is(tok::coloncolon) || Tok.is(tok::colon)) && 27746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner "NextToken() not working properly!"); 2785c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 2791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2805c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (!HasScopeSpecifier) { 2815c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setBeginLoc(IdLoc); 2825c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner HasScopeSpecifier = true; 2835c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2855c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (SS.isInvalid()) 2865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setScopeRep( 289495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, II, 290d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor false, ObjectType, 291b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor EnteringContext)); 2925c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setEndLoc(CCLoc); 2935c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2945c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2965c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2975c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 2985c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 2995c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 300014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 301014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 302014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(CurScope, SS, 303014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 3042dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 305495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 306495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Template)) { 3075c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 3085c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 3095c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 3105c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 3115c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 3125c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 313ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 314ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, &SS, TemplateName, 315ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 316c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 3175c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 3185c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3195c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3205c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 32139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 32239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 32339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 32439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Even if we didn't see any pieces of a nested-name-specifier, we 327d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // still check whether there is a tilde in this position, which 328d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // indicates a potential pseudo-destructor. 329d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && Tok.is(tok::tilde)) 330d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 331d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 33239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 333eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 334eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 335eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 336eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 337eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 338eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 339eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 340eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 341eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 342eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 343eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 344eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 345edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 346eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 347eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 348eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 349eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 350eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 351eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 352eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 353eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 354eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 355eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 356eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 357eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 358eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 359eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 360eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 361eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 362eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 363eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 364eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 365eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 366eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 367eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 368eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 369eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 370eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 371eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 372ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 373ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 374ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 375ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 376ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 377ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 378eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 379eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 380eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 381eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 382eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 3832dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 38402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 38502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 38602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 38702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 38802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 38902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 3902d1c21414199a7452f122598189363a3922605b1Douglas Gregor /*ObjectType=*/0, 39102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 39202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 393b681b61fea36618778b8030360e90e3f4641233bJohn McCall 394b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 395b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 396b681b61fea36618778b8030360e90e3f4641233bJohn McCall if (isAddressOfOperand) { 397b681b61fea36618778b8030360e90e3f4641233bJohn McCall switch (Tok.getKind()) { 398b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_square: 399b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_paren: 400b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::arrow: 401b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::period: 402b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::plusplus: 403b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::minusminus: 404b681b61fea36618778b8030360e90e3f4641233bJohn McCall isAddressOfOperand = false; 405b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 406b681b61fea36618778b8030360e90e3f4641233bJohn McCall 407b681b61fea36618778b8030360e90e3f4641233bJohn McCall default: 408b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 409b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 410b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 41102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 41202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return Actions.ActOnIdExpression(CurScope, SS, Name, Tok.is(tok::l_paren), 41302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 41402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 415eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 416eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 42620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 44220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 444809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4471ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 44820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 45321e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 45827591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 460809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 46149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 462f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 463809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 464f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 46620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 469c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 471c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 473c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 474c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 47520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 476c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 477c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 478c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 479c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 480c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 481c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 482c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 483c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 484c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 48520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 486c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 48715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 488c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 489c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 490809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 491c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 492c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 493c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 494c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 495809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 49620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 497c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 498c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 499809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 500c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 501e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 5031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 504e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 505e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 507e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 508ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 509ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 510ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 511c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 512c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 513c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 5140e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 515c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 516c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 517c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 518c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 519c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 520effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 521c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 522c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 523c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 52420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 525c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 526c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 527d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \brief Parse a C++ pseudo-destructor expression after the base, 528d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// . or -> operator, and nested-name-specifier have already been 529d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// parsed. 530d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 531d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression: [C++ 5.2] 532d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression . pseudo-destructor-name 533d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression -> pseudo-destructor-name 534d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 535d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor-name: 536d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] type-name :: ~type-name 537d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier template simple-template-id :: 538d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ~type-name 539d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] ~type-name 540d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 541d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::OwningExprResult 542d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 543d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 544d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 545d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Action::TypeTy *ObjectType) { 546d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // We're parsing either a pseudo-destructor-name or a dependent 547d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // member access that has the same form as a 548d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // pseudo-destructor-name. We parse both in the same way and let 549d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // the action model sort them out. 550d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // 551d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Note that the ::[opt] nested-name-specifier[opt] has already 552d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been parsed, and if there was a simple-template-id, it has 553d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been coalesced into a template-id annotation token. 554d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId FirstTypeName; 555d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation CCLoc; 556d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::identifier)) { 557d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 558d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 559d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 560d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 561d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else if (Tok.is(tok::annot_template_id)) { 562d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setTemplateId( 563d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor (TemplateIdAnnotation *)Tok.getAnnotationValue()); 564d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 565d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 566d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 567d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else { 568d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(0, SourceLocation()); 569d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 570d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 571d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the tilde. 572d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::tilde) && "ParseOptionalCXXScopeSpecifier fail"); 573d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 574d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Tok.is(tok::identifier)) { 575d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 576d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 577d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 578d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 579d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the second type. 580d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId SecondTypeName; 581d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 582d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation NameLoc = ConsumeToken(); 583d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName.setIdentifier(Name, NameLoc); 584d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 585d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // If there is a '<', the second type name is a template-id. Parse 586d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // it as such. 587d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::less) && 588d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ParseUnqualifiedIdTemplateId(SS, Name, NameLoc, false, ObjectType, 589d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName, /*AssumeTemplateName=*/true)) 590d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 591d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 592d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return Actions.ActOnPseudoDestructorExpr(CurScope, move(Base), OpLoc, OpKind, 593d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SS, FirstTypeName, CCLoc, 594d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TildeLoc, SecondTypeName, 595d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Tok.is(tok::l_paren)); 596d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor} 597d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 60320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 605f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 60750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 60850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 60950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 61050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 61150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 61220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 61350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 61450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 61520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 6162a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 6172a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 6182a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 6192a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 6202a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 6212a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 6222a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 6232a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 6242a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 6252a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 626f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 62750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 6282a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 6292f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 63020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 631f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 6322a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 63350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 6344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 6364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 6374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 6384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 6394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 64020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 6414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 6424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 643f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 6444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 645987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 646987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 647987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 648987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 649987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 650987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 651987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 652987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 653987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 654987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 65520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 65620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 657987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 6585ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 659987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 660987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 661987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 662987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 663a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 664987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 665987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 666987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 667987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 668987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 66920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 670987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 671987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 672987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 673987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 674987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 675987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 676ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 677ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 678ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 679ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 680987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 681987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 682f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 683f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 684beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 685987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 686987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 68799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 68871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 68971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 69071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 69171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 69271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 69371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 69471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 69599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 69699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 69799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 69899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 69999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 70099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 70199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 70299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregorbool Parser::ParseCXXCondition(OwningExprResult &ExprResult, 70399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclPtrTy &DeclResult) { 70401dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 70501dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor Actions.CodeCompleteOrdinaryName(CurScope, Action::CCC_Condition); 70601dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor ConsumeToken(); 70701dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 70801dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 70999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 71099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ParseExpression(); // expression 71199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = DeclPtrTy(); 71299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return ExprResult.isInvalid(); 71399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 71471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 71571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 71671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 71771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 71871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 71971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 72071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 72171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 72271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 72371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 72471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 725ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 726ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 7270e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 72871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 72999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 73071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 731effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 732ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 73371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 73471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 73571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 736ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 737ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 738bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 739ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 740ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 74171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 74299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 74399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Action::DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(CurScope, 74499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclaratorInfo); 74599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = Dcl.get(); 74699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ExprError(); 74799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 74871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 74999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (Tok.is(tok::equal)) { 75099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation EqualLoc = ConsumeToken(); 75199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor OwningExprResult AssignExpr(ParseAssignmentExpression()); 75299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 75399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Actions.AddInitializerToDecl(DeclResult, move(AssignExpr)); 75499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 75599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 75699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 75799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 75899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 75999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 76071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 76171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 762987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 763987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 764987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 765987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 766987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 767eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 768987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 769987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 770987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 771987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 772987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 773987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 774987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 775987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 776987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 777987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 778987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 779987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 780987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 781987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 782987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 783987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 784987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 785987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 786987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 787987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 788987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 789987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 790987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 791fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 792987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 794987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 79555a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 79655a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 79755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 799987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 800987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 80155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 802987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 803b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 804fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 805eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 806987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 807987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 809987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 810987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 811fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 812987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 813987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 814fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 815987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 816987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 817fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 818987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 819987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 820fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 821987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 822987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 823fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 824987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 825987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 826fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 827987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 828987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 829fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 830987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 831987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 832fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 833987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 834987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 835fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 836987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 837987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 838fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 839987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 840f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 841fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 842f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 843f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 844fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 845f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 846987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 847fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 848987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 850987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 851987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 852987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 8539b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 854987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 855987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 856b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 857eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 858eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 859eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 860987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 8619b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 862987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 8631cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 8642f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 8652f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 8662f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 8672f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 8682f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 8692f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 8702f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 8712f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8722f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 8732f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 8742f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8752f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 8762f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 8772f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 878fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 879fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 8802f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8812f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 882d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 883d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) { 8841ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 8852f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 8862f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 888d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 889d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) 890d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl {} 8912f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 892396a9f235e160093b5f803f7a6a18fad7b68bdbeDouglas Gregor DS.Finish(Diags, PP); 8932f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 8942f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 8952f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 8973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 8983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 9003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 9013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 9023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 9033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 9043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 9063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 9073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 9093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 9103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 9123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 9133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 9153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 9163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 91746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 91846df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 91946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 9203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 9213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 9223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 9233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 924d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param AssumeTemplateId When true, this routine will assume that the name 925d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// refers to a template without performing name lookup to verify. 926d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 9273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 9283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 9293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 9303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 9313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 9322d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 933d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 934d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool AssumeTemplateId) { 9353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor assert(Tok.is(tok::less) && "Expected '<' to finish parsing a template-id"); 9363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 9383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 9393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 9403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 941014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 942e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 943d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (AssumeTemplateId) { 944d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Template = Actions.ActOnDependentTemplateName(SourceLocation(), SS, 945d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Id, ObjectType, 946d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor EnteringContext); 947d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TNK = TNK_Dependent_template_name; 948d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Template.get()) 949d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return true; 950d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else 951d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TNK = Actions.isTemplateName(CurScope, SS, Id, ObjectType, 952d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor EnteringContext, Template); 9533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 9543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 955014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 956014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 957014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 958014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 9592d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 9603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 961014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 9623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 963014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 964014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 965014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 9662d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 967014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor Template = Actions.ActOnDependentTemplateName(SourceLocation(), SS, 968a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor TemplateName, ObjectType, 969a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor EnteringContext); 9702d1c21414199a7452f122598189363a3922605b1Douglas Gregor TNK = TNK_Dependent_template_name; 9712d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (!Template.get()) 9722d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 9732d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 974014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 9752d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 9762d1c21414199a7452f122598189363a3922605b1Douglas Gregor 9772d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (TNK == TNK_Non_template && Id.DestructorName == 0) { 978124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(NameLoc, diag::err_destructor_template_id) 979124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor << Name << SS.getRange(); 9802d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 9812d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 9822d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 9833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 984014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 9853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 9873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 9913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 9943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 9953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 9963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 9973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 9983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 9993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 10003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 1003e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1004e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 10053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 10063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 10073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 10083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 10093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 10113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 1012014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 10133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 10143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 1015014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 1016014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 1017014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 10183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Template = Template.getAs<void*>(); 10213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 10223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 10233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 1024314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 10253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 1026314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 10273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 10283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 10303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 10343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 10353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 10363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 10383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Type 10393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = Actions.ActOnTemplateIdType(Template, NameLoc, 10403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 10413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 10423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 10433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 10463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 10473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 10483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 10493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 10523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1053ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 1054ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 10553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1056ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 1057ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 10583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1059ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 10603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 10613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 10623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1063ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 10643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 10653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 10663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 10673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 10683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 10693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 10703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 10723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 10733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 10753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 10763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 10783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 10793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 10803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 10823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 10833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 10853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 10863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1087ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 1088ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 1089ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1090ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 1091ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1092ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 1093ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1094ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TypeTy *ObjectType, 1095ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 1096ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1097ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1098ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 1099ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 1100ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1101ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 1102ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 1103ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 1104ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 1105ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 1106ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 1107ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 1108ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 1109ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 1110ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 1111ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 1112ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1113ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1114ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1115ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1116ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1117ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1118ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1119ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1120ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1121ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1122ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 1123ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1124ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 1125ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1126ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1127ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1128ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1129ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1130ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1131ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1132ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1133ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1134ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1135ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1136ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1137ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1138ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1139ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1140ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1141ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1142ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1143ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1144ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1145ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1146ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1147ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1148ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1149ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1150ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1151ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1152ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1153ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1154ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1155ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1156ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1157ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1158ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1159ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1160ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1161ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1162ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1163ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1164ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1165ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1166ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1167ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1168ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 1169ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Actions.CodeCompleteOperatorName(CurScope); 1170ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1171ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1172ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 1173ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1174ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1175ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1176ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1177ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1178ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1179ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1180ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1181ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1182ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1183ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1184ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1185ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1186ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 11870486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11880486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 11890486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 11900486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 11910486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 11920486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11930486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 11940486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 11950486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 11960486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 11970486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11980486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 11990486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 12000486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 12010486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 12020486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 12030486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 12040486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 12053e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 12060486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1207ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1208ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1209ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1210ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1211ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1212ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1213ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1214ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1215ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1216ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1217ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1218ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1219ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 1220ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DeclSpec DS; 1221f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1222ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1223ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1224ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1225ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1226ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1227ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1228ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1229ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1230ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Action::TypeResult Ty = Actions.ActOnTypeName(CurScope, D); 1231ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1232ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1233ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1234ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1235ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1236ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1237ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1238ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1239ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1240ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1241ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1242ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1243ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1244ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1245ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1246ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1247ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1248ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1249ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1250ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1251ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1252ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1253ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1254ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1255ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1256ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1257ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1258ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1259ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 12603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 12613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 12623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 12633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 126446df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 126546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 126646df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 12673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 12683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 12693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 12703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 12713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 12723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 12732d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 12743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 12753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 12763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 12773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 12783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 12793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 12803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 12813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 12823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1283b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1284b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1285b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1286b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1287b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1288b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1289b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 12903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 12913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.isCurrentClassName(*Id, CurScope, &SS)) { 12923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 12933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, CurScope, 12943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, false), 12953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 12963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 12973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 12983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 12993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 13023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 13033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 13042d1c21414199a7452f122598189363a3922605b1Douglas Gregor ObjectType, Result); 13053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 13103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 13113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 13120efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateIdAnnotation *TemplateId 13130efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor = static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue()); 13140efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13150efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 13160efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 13170efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, CurScope, &SS)) { 13180efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 13190efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 13200efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 13210efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 13220efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 13230efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 13240efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 13250efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 13260efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << CodeModificationHint::CreateRemoval( 13270efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 13280efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 13290efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 13300efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor CurScope, 13310efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor &SS, false), 13320efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 13330efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 13340efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->Destroy(); 13350efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 13360efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 13370efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 13380efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13390efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 13400efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 13410efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 13420efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 13430efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 13453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 13460efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 13473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 13483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 13523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 13533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 13543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1355ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 13563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1358e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1359e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1360ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1361ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1362ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1363e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1364e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 1365ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Tok.is(tok::less)) 1366ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1367ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 1368ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result); 13693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1373b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1374b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 13753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 13763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 13773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 13783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 13793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 13813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 13823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 13843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 1385124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 13863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 13903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 13913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 13923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13932d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (Tok.is(tok::less)) { 13942d1c21414199a7452f122598189363a3922605b1Douglas Gregor Result.setDestructorName(TildeLoc, 0, ClassNameLoc); 13952d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 13962d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, ObjectType, Result); 13972d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 13982d1c21414199a7452f122598189363a3922605b1Douglas Gregor 13993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 1400124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Action::TypeTy *Ty = Actions.getDestructorName(TildeLoc, *ClassName, 1401124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor ClassNameLoc, CurScope, 1402124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor SS, ObjectType, 1403124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor EnteringContext); 1404124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor if (!Ty) 14053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 1406124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor 14073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 14083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 14093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14112d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 14122d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 14133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 14143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 14153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 14174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 141959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 142059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 142159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 14224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 14244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 14254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 14274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 14304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 14314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1432cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1433cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1434cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1435cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1436cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1437cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1438cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 14394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 14404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 14414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 14424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 144359232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 144459232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 144559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 144659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 14474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 14494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 14504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1451a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 14524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 14534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 1455cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 1456cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 14574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 14584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 14594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1460cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1461cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 146220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1463cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1466cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1467cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 146820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1469cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1471cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 14724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 14734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 14744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 14754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 14764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 14774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 1478cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 1479cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1480ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1481cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 1482cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 14834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 14844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1485cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1486cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1487ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1488ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1489cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1490cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1491ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 14934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1496cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1497cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1498cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1499cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1500ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1501ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1502cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1503cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1504ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 15054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 15064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1507eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1508cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 150920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1510cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1512a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 15134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 15144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 15164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 15174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 15184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1519cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1520cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 152120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1522cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1525cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1526cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 152720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1528cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1531f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1532f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 1533f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 1534f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 15354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 15384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 15394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 15414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 15424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 15434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 154459232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 15454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 15464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 15474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 15484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 15492f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 15502f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 15510e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 15524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 15534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 15544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 15554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 15574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1558ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 15594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 15607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 1561ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 15624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1563ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 15644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 15654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 15694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 15704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 15724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 15734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 15744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 15764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 15774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1578cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 157959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 15804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 15814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1582cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1583ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1584cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1585eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 15864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 15894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 15904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 15914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 15924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 15954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 15964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 159759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 159859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 159959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 160059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 160159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 16024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 16034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 16044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 160559232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 160659232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 160759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 160859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 16094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 16114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 16124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 16134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 16144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 16154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 16164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 161720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 16184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16202f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 16210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 162220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 16234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1624f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 16254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 162664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 16271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 162864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 162964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 163064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 163164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 163264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 163364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 163464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 163564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 163664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 163764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 163864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 163964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 164064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 164164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 164264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 164364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 164464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 1645ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl case tok::kw___is_literal: return UTT_IsLiteral; 164664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 164764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 164864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 164964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 165064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 165164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 165264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 165364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 165464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 165564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 16561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::OwningExprResult Parser::ParseUnaryTypeTrait() { 165764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 165864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 165964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 166064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 166164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 166264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 166364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 166464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 166564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 166664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1667809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 166864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 166964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 167064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1671809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1672809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1673809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1674809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 167564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1676f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1677f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1678f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1679f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1680f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1681f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1682f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1683f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1684f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1685f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1686f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1687f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1688f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1689f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1690f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1691f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1692f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1693f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1694f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1695f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1696f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1697f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1698f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1699f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1700f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1701f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1702f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1703f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1704a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1705f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1706f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1707f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1708f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1709f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1710f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 17111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 1712f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1713f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1714f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1715f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 1716f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, tok::unknown, Toks, tok::semi)) { 1717f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1718f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1719f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1720f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1721f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1722f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1723f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1724f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1725f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1726b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1727b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1728b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1729b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1730b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1731b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1732b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1733b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1734b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 17352ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1736b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1737f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1738f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1739f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1740f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1741f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1742f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 1744f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1745f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1746f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1747f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1748f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1749f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1750f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1751f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1752f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1753f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1754f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1755f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1756f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1757f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1758f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1759f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1760f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1761f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1762f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1763f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1764f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1765f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 17661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1767f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1768f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1769f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1770f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1771f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1772f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1773f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1774f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1775f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1776f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 17771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 17782ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1779f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1780f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 17811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1782f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1783f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1784f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1785f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1786f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1787f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1788f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1789f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1790f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1791f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1792f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1793f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1794f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 17951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1796f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1797f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1798f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1799f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1800f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1801f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1802f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1803