ParseExprCXX.cpp revision edc90500b1d2587bf0b698fada14537d6741fddf
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(), 215edc90500b1d2587bf0b698fada14537d6741fddfDouglas Gregor CCLoc)); 21631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 21731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep(0); 21839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 21939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 22067b9e831943300ce54e564e601971828ce4def15Chris Lattner } 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22267b9e831943300ce54e564e601971828ce4def15Chris Lattner assert(false && "FIXME: Only type template names supported here"); 22339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 22439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 2255c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2265c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 2275c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 2285c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 2295c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 2305c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2315c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 2325c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2335c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2345c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 2355c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 2365c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 2375c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 23846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 23946646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If we get foo:bar, this is almost certainly a typo for foo::bar. Recover 24046646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // and emit a fixit hint for it. 241b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor if (Next.is(tok::colon) && !ColonIsSacred) { 242edc90500b1d2587bf0b698fada14537d6741fddfDouglas Gregor if (Actions.IsInvalidUnlessNestedName(CurScope, SS, II, ObjectType, 243b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor EnteringContext) && 244b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // If the token after the colon isn't an identifier, it's still an 245b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // error, but they probably meant something else strange so don't 246b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // recover like this. 247b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor PP.LookAhead(1).is(tok::identifier)) { 248b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Diag(Next, diag::err_unexected_colon_in_nested_name_spec) 249b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor << CodeModificationHint::CreateReplacement(Next.getLocation(), "::"); 250b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor 251b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // Recover as if the user wrote '::'. 252b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Next.setKind(tok::coloncolon); 253b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor } 25446646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner } 25546646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 2565c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 25777549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) && 25877549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor !Actions.isNonTypeNestedNameSpecifier(CurScope, SS, Tok.getLocation(), 25977549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor II, ObjectType)) { 260d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 261d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return HasScopeSpecifier; 262d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 263d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 2645c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 2655c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 2665c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 26746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner assert((Tok.is(tok::coloncolon) || Tok.is(tok::colon)) && 26846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner "NextToken() not working properly!"); 2695c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2715c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (!HasScopeSpecifier) { 2725c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setBeginLoc(IdLoc); 2735c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner HasScopeSpecifier = true; 2745c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2765c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (SS.isInvalid()) 2775c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2795c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setScopeRep( 280495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, II, 281edc90500b1d2587bf0b698fada14537d6741fddfDouglas Gregor ObjectType, EnteringContext)); 2825c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setEndLoc(CCLoc); 2835c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 2845c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2875c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 2885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 2895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 290014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 291014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 292014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(CurScope, SS, 293014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 2942dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 295495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 296495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor Template)) { 2975c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 2985c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 2995c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 3005c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 3015c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 3025c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 303ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 304ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, &SS, TemplateName, 305ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 306c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 3075c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 3085c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3095c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3105c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 31139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 31239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 31339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 31439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 316d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Even if we didn't see any pieces of a nested-name-specifier, we 317d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // still check whether there is a tilde in this position, which 318d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // indicates a potential pseudo-destructor. 319d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && Tok.is(tok::tilde)) 320d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 321d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 32239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 323eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 324eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 325eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 326eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 327eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 328eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 329eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 330eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 331eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 332eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 333eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 334eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 335edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 336eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 337eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 338eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 339eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 340eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 341eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 342eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 343eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 344eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 345eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 346eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 347eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 348eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 349eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 350eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 351eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 352eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 353eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 354eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 355eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 356eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 357eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 358eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 359eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 360eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 361eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 362ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 363ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 364ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 365ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 366ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 367ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 368eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 369eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 370eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 371eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 372eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 3732dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 37402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 37502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 37602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 37702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 37802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 37902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 3802d1c21414199a7452f122598189363a3922605b1Douglas Gregor /*ObjectType=*/0, 38102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 38202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 383b681b61fea36618778b8030360e90e3f4641233bJohn McCall 384b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 385b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 386b681b61fea36618778b8030360e90e3f4641233bJohn McCall if (isAddressOfOperand) { 387b681b61fea36618778b8030360e90e3f4641233bJohn McCall switch (Tok.getKind()) { 388b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_square: 389b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_paren: 390b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::arrow: 391b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::period: 392b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::plusplus: 393b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::minusminus: 394b681b61fea36618778b8030360e90e3f4641233bJohn McCall isAddressOfOperand = false; 395b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 396b681b61fea36618778b8030360e90e3f4641233bJohn McCall 397b681b61fea36618778b8030360e90e3f4641233bJohn McCall default: 398b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 399b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 400b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 40102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 40202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return Actions.ActOnIdExpression(CurScope, SS, Name, Tok.is(tok::l_paren), 40302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 40402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 405eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 406eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 41620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 43220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 434809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4371ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 43820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 44221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 44321e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 44521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 44827591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 450809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 45149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 452f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 453809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 454f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 459c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 460c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 461c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 462c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 463c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 464c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 46520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 466c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 467c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 468c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 469c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 471c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 473c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 474c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 47520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 476c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 47715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 478c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 479c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 480809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 481c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 482c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 483c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 484c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 485809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 48620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 487c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 488c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 489809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 490c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 491e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 494e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 495e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 497e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 498ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 499ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 500ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 501c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 502c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 503c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 5040e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 505c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 506c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 507c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 508c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 509c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 510effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 511c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 512c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 513c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 51420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 515c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 516c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 517d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \brief Parse a C++ pseudo-destructor expression after the base, 518d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// . or -> operator, and nested-name-specifier have already been 519d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// parsed. 520d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 521d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression: [C++ 5.2] 522d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression . pseudo-destructor-name 523d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression -> pseudo-destructor-name 524d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 525d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor-name: 526d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] type-name :: ~type-name 527d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier template simple-template-id :: 528d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ~type-name 529d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] ~type-name 530d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 531d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::OwningExprResult 532d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 533d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 534d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 535d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Action::TypeTy *ObjectType) { 536d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // We're parsing either a pseudo-destructor-name or a dependent 537d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // member access that has the same form as a 538d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // pseudo-destructor-name. We parse both in the same way and let 539d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // the action model sort them out. 540d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // 541d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Note that the ::[opt] nested-name-specifier[opt] has already 542d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been parsed, and if there was a simple-template-id, it has 543d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been coalesced into a template-id annotation token. 544d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId FirstTypeName; 545d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation CCLoc; 546d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::identifier)) { 547d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 548d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 549d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 550d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 551d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else if (Tok.is(tok::annot_template_id)) { 552d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setTemplateId( 553d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor (TemplateIdAnnotation *)Tok.getAnnotationValue()); 554d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 555d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 556d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 557d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else { 558d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(0, SourceLocation()); 559d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 560d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 561d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the tilde. 562d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::tilde) && "ParseOptionalCXXScopeSpecifier fail"); 563d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 564d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Tok.is(tok::identifier)) { 565d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 566d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 567d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 568d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 569d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the second type. 570d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId SecondTypeName; 571d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 572d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation NameLoc = ConsumeToken(); 573d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName.setIdentifier(Name, NameLoc); 574d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 575d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // If there is a '<', the second type name is a template-id. Parse 576d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // it as such. 577d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::less) && 578d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ParseUnqualifiedIdTemplateId(SS, Name, NameLoc, false, ObjectType, 579d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName, /*AssumeTemplateName=*/true)) 580d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 581d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 582d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return Actions.ActOnPseudoDestructorExpr(CurScope, move(Base), OpLoc, OpKind, 583d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SS, FirstTypeName, CCLoc, 584d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TildeLoc, SecondTypeName, 585d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Tok.is(tok::l_paren)); 586d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor} 587d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 59320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 595f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 59750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 59850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 59950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 60050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 60150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 60220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 60350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 60450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 60520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 6062a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 6072a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 6082a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 6092a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 6102a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 6112a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 6122a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 6132a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 6142a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 6152a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 616f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 61750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 6182a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 6192f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 62020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 621f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 6222a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 62350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 6244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 6264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 6274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 6284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 6294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 63020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 6314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 6324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 633f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 6344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 635987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 636987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 637987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 638987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 639987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 640987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 641987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 642987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 643987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 644987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 64520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 64620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 647987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 6485ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 649987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 650987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 651987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 652987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 653a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 654987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 655987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 656987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 657987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 658987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 65920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 660987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 661987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 662987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 663987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 664987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 665987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 666ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 667ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 668ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 669ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 670987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 671987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 672f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 673f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 674beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 675987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 676987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 67799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 67871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 67971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 68071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 68171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 68271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 68371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 68471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 68599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 68699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 68799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 68899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 68999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 69099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 69199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 69299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregorbool Parser::ParseCXXCondition(OwningExprResult &ExprResult, 69399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclPtrTy &DeclResult) { 69401dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 69501dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor Actions.CodeCompleteOrdinaryName(CurScope, Action::CCC_Condition); 69601dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor ConsumeToken(); 69701dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 69801dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 69999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 70099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ParseExpression(); // expression 70199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = DeclPtrTy(); 70299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return ExprResult.isInvalid(); 70399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 70471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 70571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 70671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 70771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 70871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 70971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 71071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 71171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 71271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 71371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 71471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 715ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 716ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 7170e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 71871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 71999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 72071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 721effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 722ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 72371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 72471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 72571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 726ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 727ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 728bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 729ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 730ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 73171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 73299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 73399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Action::DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(CurScope, 73499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclaratorInfo); 73599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = Dcl.get(); 73699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ExprError(); 73799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 73871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 73999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (Tok.is(tok::equal)) { 74099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation EqualLoc = ConsumeToken(); 74199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor OwningExprResult AssignExpr(ParseAssignmentExpression()); 74299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 74399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Actions.AddInitializerToDecl(DeclResult, move(AssignExpr)); 74499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 74599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 74699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 74799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 74899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 74999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 75071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 75171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 752987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 753987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 754987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 755987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 756987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 757eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 758987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 759987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 760987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 761987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 762987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 763987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 764987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 765987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 766987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 767987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 768987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 769987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 770987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 771987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 772987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 773987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 774987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 775987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 776987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 777987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 778987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 779987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 780987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 781fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 782987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 7831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 784987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 78555a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 78655a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 78755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 789987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 790987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 79155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 792987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 793b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 794fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 795eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 796987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 797987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 799987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 800987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 801fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 802987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 803987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 804fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 805987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 806987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 807fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 808987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 809987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 810fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 811987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 812987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 813fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 814987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 815987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 816fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 817987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 818987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 819fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 820987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 821987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 822fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 823987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 824987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 825fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 826987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 827987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 828fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 829987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 830f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 831fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 832f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 833f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 834fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 835f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 836987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 837fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 838987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 840987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 841987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 842987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 8439b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 844987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 845987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 846b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 847eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 848eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 849eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 850987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 8519b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 852987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 8531cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 8542f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 8552f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 8562f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 8572f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 8582f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 8592f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 8602f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 8612f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8622f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 8632f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 8642f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8652f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 8662f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 8672f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 868fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 869fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 8702f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8712f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 872d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 873d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) { 8741ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 8752f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 8762f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 878d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 879d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) 880d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl {} 8812f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 882396a9f235e160093b5f803f7a6a18fad7b68bdbeDouglas Gregor DS.Finish(Diags, PP); 8832f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 8842f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 8852f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 8873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 8883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 8903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 8913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 8923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 8933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 8943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 8963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 8973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 8983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 8993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 9003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 9023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 9033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 9053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 9063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 90746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 90846df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 90946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 9103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 9113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 9123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 9133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 914d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param AssumeTemplateId When true, this routine will assume that the name 915d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// refers to a template without performing name lookup to verify. 916d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 9173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 9183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 9193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 9203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 9213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 9222d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 923d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 924d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool AssumeTemplateId) { 9253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor assert(Tok.is(tok::less) && "Expected '<' to finish parsing a template-id"); 9263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 9283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 9293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 9303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 931014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 932e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 933d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (AssumeTemplateId) { 934d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Template = Actions.ActOnDependentTemplateName(SourceLocation(), SS, 935d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Id, ObjectType, 936d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor EnteringContext); 937d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TNK = TNK_Dependent_template_name; 938d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Template.get()) 939d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return true; 940d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else 941d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TNK = Actions.isTemplateName(CurScope, SS, Id, ObjectType, 942d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor EnteringContext, Template); 9433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 9443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 945014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 946014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 947014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 948014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 9492d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 9503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 951014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 9523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 953014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 954014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 955014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 9562d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 957014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor Template = Actions.ActOnDependentTemplateName(SourceLocation(), SS, 958a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor TemplateName, ObjectType, 959a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor EnteringContext); 9602d1c21414199a7452f122598189363a3922605b1Douglas Gregor TNK = TNK_Dependent_template_name; 9612d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (!Template.get()) 9622d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 9632d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 964014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 9652d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, Template); 9662d1c21414199a7452f122598189363a3922605b1Douglas Gregor 9672d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (TNK == TNK_Non_template && Id.DestructorName == 0) { 968124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(NameLoc, diag::err_destructor_template_id) 969124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor << Name << SS.getRange(); 9702d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 9712d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 9722d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 9733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 974014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 9753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 9773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 9793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 9813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 9823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 9843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 9853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 9863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 9873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 9883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 9893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 9903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 9913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 9923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 993e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 994e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 9953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 9963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 9973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 9983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 9993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 10013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 1002014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 10033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 10043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 1005014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 1006014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 1007014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 10083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Template = Template.getAs<void*>(); 10113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 10123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 10133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 1014314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 10153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 1016314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 10173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 10183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 10203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 10243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 10253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 10263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 10283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Type 10293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = Actions.ActOnTemplateIdType(Template, NameLoc, 10303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 10313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 10323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 10333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 10343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 10363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 10373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 10383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 10393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 10423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1043ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 1044ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 10453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1046ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 1047ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 10483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1049ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 10503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 10513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 10523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1053ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 10543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 10553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 10563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 10573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 10583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 10593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 10603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 10623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 10633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 10653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 10663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 10683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 10693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 10703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 10723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 10733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 10743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 10753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 10763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1077ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 1078ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 1079ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1080ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 1081ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1082ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 1083ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1084ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TypeTy *ObjectType, 1085ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 1086ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1087ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1088ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 1089ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 1090ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1091ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 1092ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 1093ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 1094ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 1095ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 1096ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 1097ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 1098ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 1099ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 1100ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 1101ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 1102ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1103ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1104ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1105ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1106ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1107ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1108ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1109ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1110ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1111ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1112ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 1113ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1114ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 1115ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1116ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1117ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1118ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1119ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1120ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1121ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1122ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1123ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1124ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1125ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1126ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1127ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1128ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1129ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1130ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1131ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1132ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1133ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1134ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1135ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1136ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1137ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1138ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1139ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1140ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1141ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1142ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1143ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1144ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1145ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1146ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1147ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1148ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1149ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1150ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1151ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1152ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1153ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1154ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1155ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1156ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1157ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1158ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 1159ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Actions.CodeCompleteOperatorName(CurScope); 1160ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1161ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1162ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 1163ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1164ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1165ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1166ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1167ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1168ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1169ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1170ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1171ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1172ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1173ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1174ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1175ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1176ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 11770486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11780486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 11790486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 11800486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 11810486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 11820486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11830486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 11840486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 11850486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 11860486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 11870486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11880486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 11890486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 11900486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 11910486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 11920486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 11930486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 11940486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 11953e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 11960486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1197ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1198ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1199ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1200ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1201ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1202ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1203ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1204ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1205ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1206ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1207ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1208ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1209ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 1210ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DeclSpec DS; 1211f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1212ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1213ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1214ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1215ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1216ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1217ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1218ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1219ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1220ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Action::TypeResult Ty = Actions.ActOnTypeName(CurScope, D); 1221ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1222ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1223ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1224ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1225ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1226ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1227ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1228ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1229ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1230ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1231ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1232ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1233ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1234ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1235ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1236ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1237ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1238ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1239ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1240ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1241ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1242ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1243ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1244ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1245ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1246ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1247ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1248ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1249ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 12503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 12513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 12523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 12533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 125446df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 125546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 125646df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 12573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 12583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 12593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 12603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 12613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 12623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 12632d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 12643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 12653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 12663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 12673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 12683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 12693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 12703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 12713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 12723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1273b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1274b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1275b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1276b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1277b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1278b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1279b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 12803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 12813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.isCurrentClassName(*Id, CurScope, &SS)) { 12823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 12833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, CurScope, 12843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, false), 12853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 12863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 12873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 12883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 12893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 12923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::less)) 12933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 12942d1c21414199a7452f122598189363a3922605b1Douglas Gregor ObjectType, Result); 12953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 13003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 13013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 13020efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateIdAnnotation *TemplateId 13030efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor = static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue()); 13040efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13050efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 13060efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 13070efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, CurScope, &SS)) { 13080efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 13090efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 13100efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 13110efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 13120efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 13130efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 13140efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 13150efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 13160efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << CodeModificationHint::CreateRemoval( 13170efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 13180efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 13190efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 13200efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor CurScope, 13210efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor &SS, false), 13220efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 13230efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 13240efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->Destroy(); 13250efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 13260efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 13270efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 13280efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13290efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 13300efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 13310efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 13320efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 13330efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 13353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 13360efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 13373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 13383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 13423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 13433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 13443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1345ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 13463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1348e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1349e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1350ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1351ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1352ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1353e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1354e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 1355ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Tok.is(tok::less)) 1356ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1357ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 1358ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result); 13593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1363b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1364b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 13653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 13663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 13673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 13683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 13693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 13713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 13723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 13743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 1375124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 13763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 13803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 13813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 13823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13832d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (Tok.is(tok::less)) { 13842d1c21414199a7452f122598189363a3922605b1Douglas Gregor Result.setDestructorName(TildeLoc, 0, ClassNameLoc); 13852d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 13862d1c21414199a7452f122598189363a3922605b1Douglas Gregor EnteringContext, ObjectType, Result); 13872d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 13882d1c21414199a7452f122598189363a3922605b1Douglas Gregor 13893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 1390124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Action::TypeTy *Ty = Actions.getDestructorName(TildeLoc, *ClassName, 1391124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor ClassNameLoc, CurScope, 1392124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor SS, ObjectType, 1393124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor EnteringContext); 1394124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor if (!Ty) 13953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 1396124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor 13973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 13983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14012d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 14022d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 14033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 14043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 14053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 14074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 140959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 141059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 141159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 14124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 14144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 14154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 14174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 14184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 14194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 14204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 14214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1422cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1423cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1424cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1425cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1426cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1427cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1428cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 14294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 14304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 14314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 14324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 143359232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 143459232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 143559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 143659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 14374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 14394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 14404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1441a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 14424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 14434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 1445cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 1446cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 14474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 14484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 14494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1450cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1451cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 145220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1453cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1456cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1457cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 145820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1459cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1461cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 14624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 14634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 14644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 14654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 14664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 14674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 1468cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 1469cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1470ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1471cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 1472cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 14734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 14744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1475cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1476cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1477ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1478ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1479cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1480cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1481ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 14834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 14854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1486cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1487cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1488cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1489cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1490ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1491ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1492cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1493cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1494ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 14964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1497eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1498cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 149920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1500cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1502a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 15034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 15044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 15064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 15074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 15084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1509cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1510cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 151120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1512cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1515cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1516cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 151720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1518cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1521f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1522f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 1523f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 1524f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 15254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 15284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 15294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 15314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 15324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 15334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 153459232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 15354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 15364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 15374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 15384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 15392f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 15402f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 15410e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 15424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 15434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 15444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 15454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 15474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1548ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 15494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 15507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 1551ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 15524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1553ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 15544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 15554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 15594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 15604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 15624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 15634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 15644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 15664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 15674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1568cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 156959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 15704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 15714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1572cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1573ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1574cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1575eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 15764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 15794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 15804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 15814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 15824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 15834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 15854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 15864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 158759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 158859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 158959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 159059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 159159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 15924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 15934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 15944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 159559232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 159659232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 159759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 159859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 15994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 16014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 16024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 16034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 16044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 16054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 16064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 160720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 16084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16102f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 16110e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 161220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 16134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1614f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 16154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 161664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 16171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 161864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 161964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 162064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 162164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 162264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 162364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 162464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 162564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 162664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 162764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 162864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 162964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 163064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 163164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 163264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 163364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 163464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 1635ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl case tok::kw___is_literal: return UTT_IsLiteral; 163664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 163764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 163864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 163964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 164064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 164164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 164264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 164364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 164464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 164564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 16461eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::OwningExprResult Parser::ParseUnaryTypeTrait() { 164764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 164864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 164964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 165064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 165164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 165264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 165364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 165464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 165564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 165664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1657809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 165864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 165964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 166064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1661809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1662809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1663809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1664809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 166564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1666f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1667f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1668f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1669f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1670f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1671f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1672f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1673f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1674f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1675f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1676f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1677f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1678f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1679f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1680f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1681f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1682f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1683f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1684f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1685f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1686f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1687f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1688f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1689f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1690f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1691f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1692f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1693f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1694a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1695f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1696f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1697f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1698f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1699f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1700f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 17011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 1702f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1703f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1704f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1705f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 1706f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, tok::unknown, Toks, tok::semi)) { 1707f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1708f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1709f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1710f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1711f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1712f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1713f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1714f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1715f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1716b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1717b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1718b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1719b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1720b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1721b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1722b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1723b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1724b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 17252ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1726b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1727f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1728f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1729f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1730f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1731f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1732f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 17331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 1734f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1735f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1736f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1737f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1738f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1739f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1740f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1741f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1742f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1743f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1744f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1745f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1746f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1747f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1748f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1749f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1750f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1751f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1752f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1753f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1754f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1755f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 17561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1757f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1758f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1759f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1760f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1761f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1762f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1763f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1764f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1765f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1766f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 17671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 17682ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1769f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1770f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 17711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1772f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1773f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1774f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1775f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1776f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1777f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1778f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1779f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1780f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1781f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1782f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1783f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1784f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 17851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1786f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1787f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1788f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1789f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1790f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1791f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1792f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1793