ParseExprCXX.cpp revision dc8453422bec3bbf70c03920e01498d75783d122
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/// 589ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall/// \returns true if there was an error parsing a scope specifier 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(); 709ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 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); 113dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 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) 1719ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 172c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, 173ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor &SS, TemplateName, TemplateKWLoc, false)) 1749ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 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; 1919ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 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) 249849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::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; 2619ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 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()); 2921fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 293014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(CurScope, SS, 294014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 2952dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 296495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 2971fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Template, 2981fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization)) { 2995c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 3005c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 3015c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 3025c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 3035c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 3045c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 305ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 306ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, &SS, TemplateName, 307ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 3089ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 3095c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 310d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor } 311d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 312d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor if (MemberOfUnknownSpecialization && (ObjectType || SS.isSet()) && 313d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor IsTemplateArgumentList(1)) { 314d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // We have something like t::getAs<T>, where getAs is a 315d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // member of an unknown specialization. However, this will only 316d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 317d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // before 'getAs' and treat this as a dependent template name. 318d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor Diag(Tok.getLocation(), diag::err_missing_dependent_template_keyword) 319d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << II.getName() 320d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << FixItHint::CreateInsertion(Tok.getLocation(), "template "); 321d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 322d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor Template = Actions.ActOnDependentTemplateName(Tok.getLocation(), SS, 323d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor TemplateName, ObjectType, 324d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor EnteringContext); 325d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor if (!Template.get()) 326d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor return true; 327d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 328d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // Consume the identifier. 329d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor ConsumeToken(); 330d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, &SS, 331d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor TemplateName, SourceLocation(), false)) 332d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor return true; 333d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 334d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor continue; 3355c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3365c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3375c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 33839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 33939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 34039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 34139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 343d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Even if we didn't see any pieces of a nested-name-specifier, we 344d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // still check whether there is a tilde in this position, which 345d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // indicates a potential pseudo-destructor. 346d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && Tok.is(tok::tilde)) 347d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 348d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 3499ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 350eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 351eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 352eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 353eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 354eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 355eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 356eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 357eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 358eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 359eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 360eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 361eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 362edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 363eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 364eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 365eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 366eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 367eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 368eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 369eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 370eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 371eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 372eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 373eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 374eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 375eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 376eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 377eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 378eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 379eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 380eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 381eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 382eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 383eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 384eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 385eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 386eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 387eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 388eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 389ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 390ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 391ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 392ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 393ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 394ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 395eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 396eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 397eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 398eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 399eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 4002dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 40102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 40202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 40302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 40402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 40502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 40602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 4072d1c21414199a7452f122598189363a3922605b1Douglas Gregor /*ObjectType=*/0, 40802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 40902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 410b681b61fea36618778b8030360e90e3f4641233bJohn McCall 411b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 412b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 413b681b61fea36618778b8030360e90e3f4641233bJohn McCall if (isAddressOfOperand) { 414b681b61fea36618778b8030360e90e3f4641233bJohn McCall switch (Tok.getKind()) { 415b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_square: 416b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::l_paren: 417b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::arrow: 418b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::period: 419b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::plusplus: 420b681b61fea36618778b8030360e90e3f4641233bJohn McCall case tok::minusminus: 421b681b61fea36618778b8030360e90e3f4641233bJohn McCall isAddressOfOperand = false; 422b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 423b681b61fea36618778b8030360e90e3f4641233bJohn McCall 424b681b61fea36618778b8030360e90e3f4641233bJohn McCall default: 425b681b61fea36618778b8030360e90e3f4641233bJohn McCall break; 426b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 427b681b61fea36618778b8030360e90e3f4641233bJohn McCall } 42802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 42902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return Actions.ActOnIdExpression(CurScope, SS, Name, Tok.is(tok::l_paren), 43002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 43102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 432eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 433eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 44320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 45920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 461809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4641ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 46520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 46921e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 47021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 47221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47421e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 47527591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 477809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 47849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 479f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 480809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 481f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 48320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 486c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 487c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 488c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 489c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 490c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 491c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 49220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 493c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 494c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 495c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 496c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 497c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 498c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 499c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 500c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 501c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 50220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 503c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 50415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 505c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 506c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 507809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 508c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 509c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 510c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 511c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 512809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 51320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 514c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 515c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 516809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 517c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 518e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 521e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 522e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 524e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 525ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 526ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 527ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 528c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 529c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 530c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 5310e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 532c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 533c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 534c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 535c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 536c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 537effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 538c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 539c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 540c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 54120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 542c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 543c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 544d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \brief Parse a C++ pseudo-destructor expression after the base, 545d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// . or -> operator, and nested-name-specifier have already been 546d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// parsed. 547d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 548d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression: [C++ 5.2] 549d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression . pseudo-destructor-name 550d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression -> pseudo-destructor-name 551d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 552d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor-name: 553d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] type-name :: ~type-name 554d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier template simple-template-id :: 555d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ~type-name 556d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] ~type-name 557d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 558d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::OwningExprResult 559d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 560d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 561d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 562d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Action::TypeTy *ObjectType) { 563d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // We're parsing either a pseudo-destructor-name or a dependent 564d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // member access that has the same form as a 565d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // pseudo-destructor-name. We parse both in the same way and let 566d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // the action model sort them out. 567d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // 568d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Note that the ::[opt] nested-name-specifier[opt] has already 569d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been parsed, and if there was a simple-template-id, it has 570d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been coalesced into a template-id annotation token. 571d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId FirstTypeName; 572d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation CCLoc; 573d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::identifier)) { 574d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 575d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 576d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 577d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 578d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else if (Tok.is(tok::annot_template_id)) { 579d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setTemplateId( 580d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor (TemplateIdAnnotation *)Tok.getAnnotationValue()); 581d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 582d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 583d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 584d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else { 585d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(0, SourceLocation()); 586d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 587d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 588d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the tilde. 589d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::tilde) && "ParseOptionalCXXScopeSpecifier fail"); 590d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 591d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Tok.is(tok::identifier)) { 592d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 593d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 594d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 595d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 596d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the second type. 597d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId SecondTypeName; 598d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 599d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation NameLoc = ConsumeToken(); 600d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName.setIdentifier(Name, NameLoc); 601d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 602d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // If there is a '<', the second type name is a template-id. Parse 603d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // it as such. 604d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::less) && 605d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ParseUnqualifiedIdTemplateId(SS, Name, NameLoc, false, ObjectType, 6060278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SecondTypeName, /*AssumeTemplateName=*/true, 6070278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor /*TemplateKWLoc*/SourceLocation())) 608d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 609d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 610d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return Actions.ActOnPseudoDestructorExpr(CurScope, move(Base), OpLoc, OpKind, 611d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SS, FirstTypeName, CCLoc, 612d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TildeLoc, SecondTypeName, 613d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Tok.is(tok::l_paren)); 614d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor} 615d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 62120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 623f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 62550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 62650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 62750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 62850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 62950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 63020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 63150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 63250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 63320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 6342a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 6352a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 6362a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 6372a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 6382a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 6392a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 6402a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 6412a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 6422a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 6432a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 644f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 64550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 6462a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 6472f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 64820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 649f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 6502a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 65150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 6524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 6544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 6554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 6564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 6574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 65820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 6594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 6604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 661f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 6624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 663987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 664987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 665987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 666987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 667987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 668987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 669987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 670987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 671987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 672987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 67320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 67420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 675987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 6765ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 677987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 678987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 679987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 680987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 681a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 682987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 683987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 684987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 685987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 686987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 68720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 688987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 689987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 690987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 691987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 692987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 693987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 694ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 695ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 696ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 697ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 698987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 699987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 700f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 701f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 702beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 703987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 704987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 70599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 70671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 70771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 70871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 70971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 71071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 71171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 71271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 71399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 71499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 71599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 71699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 71799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 71899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 719586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param Loc The location of the start of the statement that requires this 720586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// condition, e.g., the "for" in a for loop. 721586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 722586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param ConvertToBoolean Whether the condition expression should be 723586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// converted to a boolean value. 724586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 72599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 72699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregorbool Parser::ParseCXXCondition(OwningExprResult &ExprResult, 727586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor DeclPtrTy &DeclResult, 728586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor SourceLocation Loc, 729586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor bool ConvertToBoolean) { 73001dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 73101dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor Actions.CodeCompleteOrdinaryName(CurScope, Action::CCC_Condition); 732dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 73301dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 73401dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 73599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 736586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // Parse the expression. 73799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ParseExpression(); // expression 73899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = DeclPtrTy(); 739586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor if (ExprResult.isInvalid()) 740586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor return true; 741586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 742586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // If required, convert to a boolean value. 743586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor if (ConvertToBoolean) 744586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor ExprResult 745586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor = Actions.ActOnBooleanCondition(CurScope, Loc, move(ExprResult)); 74699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return ExprResult.isInvalid(); 74799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 74871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 74971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 75071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 75171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 75271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 75371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 75471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 75571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 75671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 75771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 75871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 759ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 760ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 7610e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 76271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 76399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 76471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 765effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 766ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 76771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 76871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 76971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 770ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 771ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 772bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 773ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 774ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 77571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 77699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 77799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Action::DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(CurScope, 77899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclaratorInfo); 77999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor DeclResult = Dcl.get(); 78099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ExprResult = ExprError(); 78199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 78271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 78399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (Tok.is(tok::equal)) { 78499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation EqualLoc = ConsumeToken(); 78599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor OwningExprResult AssignExpr(ParseAssignmentExpression()); 78699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 78799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Actions.AddInitializerToDecl(DeclResult, move(AssignExpr)); 78899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 78999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 79099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 79199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 79299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 793586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // FIXME: Build a reference to this declaration? Convert it to bool? 794586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // (This is currently handled by Sema). 795586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 79699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 79771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 79871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 7996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brief Determine whether the current token starts a C++ 8006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier. 8016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::isCXXSimpleTypeSpecifier() const { 8026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor switch (Tok.getKind()) { 8036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::annot_typename: 8046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_short: 8056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_long: 8066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_signed: 8076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_unsigned: 8086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_void: 8096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char: 8106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_int: 8116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_float: 8126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_double: 8136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_wchar_t: 8146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char16_t: 8156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char32_t: 8166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_bool: 8176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: C++0x decltype support. 8186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // GNU typeof support. 8196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_typeof: 8206aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 8216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 8226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor default: 8236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor break; 8246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 8256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 8266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 8276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 8286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 829987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 830987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 831987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 832987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 833987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 834eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 835987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 836987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 837987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 838987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 839987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 840987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 841987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 842987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 843987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 844987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 845987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 846987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 847987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 848987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 849987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 850987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 851987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 852987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 853987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 854987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 855987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 856987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 857987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 858fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 859987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 861987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 86255a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 86355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 86455a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 8651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 866987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 867987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 86855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 869987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 870b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 871fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 872eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 873987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 874987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 876987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 877987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 878fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 879987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 880987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 881fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 882987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 883987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 884fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 885987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 886987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 887fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 888987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 889987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 890fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 891987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 892987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 893fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 894987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 895987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 896fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 897987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 898987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 899fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 900987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 901987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 902fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 903987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 904987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 905fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 906987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 907f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 908fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 909f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 910f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 911fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 912f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 913987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 914fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 915987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: C++0x decltype support. 918987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 919987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 920987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 9219b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 922987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 923987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 924b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 925eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 926eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 927eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 928987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 9299b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 930987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 9311cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 9322f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 9332f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 9342f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 9352f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 9362f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 9372f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 9382f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 9392f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 9402f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 9412f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 9422f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 9432f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 9442f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 9452f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 946fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 947fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 9482f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 9492f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 950d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 951d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) { 9521ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 9532f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 9542f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 9551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 956d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 957d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) 958d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl {} 9592f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 960396a9f235e160093b5f803f7a6a18fad7b68bdbeDouglas Gregor DS.Finish(Diags, PP); 9612f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 9622f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 9632f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 9643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 9653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 9663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 9683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 9693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 9703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 9713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 9723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 9743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 9753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 9773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 9783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 9803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 9813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 9823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 9833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 9843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 98546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 98646df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 98746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 9883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 9893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 9903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 9913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 992d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param AssumeTemplateId When true, this routine will assume that the name 993d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// refers to a template without performing name lookup to verify. 994d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 9953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 9963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 9973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 9983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 9993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 10002d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 1001d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 10020278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool AssumeTemplateId, 10030278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc) { 10040278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor assert((AssumeTemplateId || Tok.is(tok::less)) && 10050278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor "Expected '<' to finish parsing a template-id"); 10063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 10083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 10093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 10103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 1011014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 1012e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 1013d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (AssumeTemplateId) { 10140278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor Template = Actions.ActOnDependentTemplateName(TemplateKWLoc, SS, 1015d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Id, ObjectType, 1016d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor EnteringContext); 1017d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TNK = TNK_Dependent_template_name; 1018d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Template.get()) 1019d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return true; 10201fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } else { 10211fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1022d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TNK = Actions.isTemplateName(CurScope, SS, Id, ObjectType, 10231fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 10241fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 10251fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor 10261fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (TNK == TNK_Non_template && MemberOfUnknownSpecialization && 10271fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor ObjectType && IsTemplateArgumentList()) { 10281fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // We have something like t->getAs<T>(), where getAs is a 10291fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // member of an unknown specialization. However, this will only 10301fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 10311fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // before 'getAs' and treat this as a dependent template name. 10321fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor std::string Name; 10331fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) 10341fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = Id.Identifier->getName(); 10351fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else { 10361fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = "operator "; 10371fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_OperatorFunctionId) 10381fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += getOperatorSpelling(Id.OperatorFunctionId.Operator); 10391fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else 10401fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += Id.Identifier->getName(); 10411fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 10421fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Diag(Id.StartLocation, diag::err_missing_dependent_template_keyword) 10431fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << Name 10441fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << FixItHint::CreateInsertion(Id.StartLocation, "template "); 10451fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Template = Actions.ActOnDependentTemplateName(TemplateKWLoc, SS, 10461fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Id, ObjectType, 10471fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext); 10481fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor TNK = TNK_Dependent_template_name; 10491fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (!Template.get()) 10501fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor return true; 10511fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 10521fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 10533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 10543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1055014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 1056014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 10571fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1058014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 1059014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 10601fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 10611fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 10623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1063014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 10643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1065014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 1066014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 10671fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1068014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 10692d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 10700278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor Template = Actions.ActOnDependentTemplateName(TemplateKWLoc, SS, 1071a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor TemplateName, ObjectType, 1072a481edb1b11c956a46cb42cd0dc4dd9851c10801Douglas Gregor EnteringContext); 10732d1c21414199a7452f122598189363a3922605b1Douglas Gregor TNK = TNK_Dependent_template_name; 10742d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (!Template.get()) 10752d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 10762d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 1077014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TNK = Actions.isTemplateName(CurScope, SS, TemplateName, ObjectType, 10781fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 10791fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 10802d1c21414199a7452f122598189363a3922605b1Douglas Gregor 10812d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (TNK == TNK_Non_template && Id.DestructorName == 0) { 1082124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(NameLoc, diag::err_destructor_template_id) 1083124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor << Name << SS.getRange(); 10842d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 10852d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 10862d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 10873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1088014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 10893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 10913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 10933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 10953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 10963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 10973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 10983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 10993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 11000278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (Tok.is(tok::less) && 11010278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 11023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, true, LAngleLoc, 11033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 11043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 11053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 1108e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1109e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 11103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 11113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 11123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 11133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 11143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 11163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 1117014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 11183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 11193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 1120014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 1121014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 1122014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 11233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Template = Template.getAs<void*>(); 11263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 11273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 11283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 1129314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 11303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 1131314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 11323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 11333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 11353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 11373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 11393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 11403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 11413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 11433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Action::TypeResult Type 11443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = Actions.ActOnTemplateIdType(Template, NameLoc, 11453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 11463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 11473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 11483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 11493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 11513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 11523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 11533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 11543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 11563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 11573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1158ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 1159ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 11603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1161ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 1162ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 11633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1164ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 11653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 11663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 11673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1168ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 11693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 11703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 11713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 11723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 11733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 11743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 11753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 11773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 11783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 11803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 11813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 11833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 11843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 11853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 11873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 11883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 11903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 11913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1192ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 1193ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 1194ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1195ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 1196ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1197ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 1198ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1199ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TypeTy *ObjectType, 1200ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 1201ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1202ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1203ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 1204ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 1205ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1206ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 1207ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 1208ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 1209ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 1210ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 1211ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 1212ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 1213ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 1214ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 1215ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 1216ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 1217ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1218ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1219ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1220ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1221ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1222ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1223ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1224ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1225ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1226ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1227ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 1228ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1229ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 1230ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1231ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1232ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1233ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1234ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1235ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1236ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1237ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1238ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1239ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1240ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1241ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1242ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1243ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1244ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1245ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1246ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1247ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1248ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1249ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1250ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1251ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1252ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1253ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1254ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1255ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1256ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1257ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1258ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1259ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1260ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1261ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1262ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1263ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1264ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1265ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1266ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1267ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1268ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1269ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1270ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1271ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1272ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1273ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 1274ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Actions.CodeCompleteOperatorName(CurScope); 1275ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1276ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1277dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1278ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1279ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1280ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1281ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1282ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1283ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1284ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1285ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1286ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1287ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1288ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1289ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1290ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1291ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 12920486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 12930486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 12940486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 12950486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 12960486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 12970486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 12980486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 12990486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 13000486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 13010486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 13020486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 13030486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 13040486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 13050486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 13060486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 13070486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 13080486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 13090486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 13103e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 13110486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1312ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1313ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1314ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1315ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1316ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1317ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1318ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1319ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1320ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1321ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1322ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1323ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1324ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 1325ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DeclSpec DS; 1326f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1327ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1328ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1329ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1330ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1331ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1332ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1333ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1334ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1335ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Action::TypeResult Ty = Actions.ActOnTypeName(CurScope, D); 1336ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1337ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1338ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1339ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1340ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1341ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1342ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1343ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1344ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1345ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1346ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1347ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1348ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1349ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1350ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1351ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1352ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1353ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1354ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1355ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1356ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1357ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1358ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1359ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1360ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1361ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1362ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1363ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1364ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 13653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 13663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 13683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 136946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 137046df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 137146df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 13723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 13733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 13753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 13763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 13773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 13782d1c21414199a7452f122598189363a3922605b1Douglas Gregor TypeTy *ObjectType, 13793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 13800278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 13810278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // Handle 'A::template B'. This is for template-ids which have not 13820278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // already been annotated by ParseOptionalCXXScopeSpecifier(). 13830278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool TemplateSpecified = false; 13840278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc; 13850278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (getLang().CPlusPlus && Tok.is(tok::kw_template) && 13860278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (ObjectType || SS.isSet())) { 13870278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified = true; 13880278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateKWLoc = ConsumeToken(); 13890278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor } 13900278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 13913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 13923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 13933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 13943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 13953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 13963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 13973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 13983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1399b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1400b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1401b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1402b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1403b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1404b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1405b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 14063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 14073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Actions.isCurrentClassName(*Id, CurScope, &SS)) { 14083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 14093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, CurScope, 14103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor &SS, false), 14113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 14123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 14133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 14143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 14153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 14180278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) 14193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 14200278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ObjectType, Result, 14210278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 14223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 14243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 14273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 14283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 14290efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateIdAnnotation *TemplateId 14300efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor = static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue()); 14310efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 14320efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 14330efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 14340efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, CurScope, &SS)) { 14350efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 14360efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 14370efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 14380efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 14390efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 14400efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 14410efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 14420efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 1443849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval( 14440efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 14450efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 14460efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 14470efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor CurScope, 14480efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor &SS, false), 14490efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 14500efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 14510efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->Destroy(); 14520efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 14530efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 14540efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 14550efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 14560efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 14570efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 14580efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 14590efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 14600efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 14613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 14623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 14630efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 14643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 14653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 14663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 14693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 14703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 14713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1472ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 14733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 14743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1475e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1476e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1477ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1478ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1479ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1480e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1481e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 14820278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (TemplateSpecified || Tok.is(tok::less))) 1483ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1484ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 14850278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor Result, 14860278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 14873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 14893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1491b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1492b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 14933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 14943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 14953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 14963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 14973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 14983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 14993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 15003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 15023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 1503124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 15043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 15053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 15083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 15093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 15103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15110278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) { 15122d1c21414199a7452f122598189363a3922605b1Douglas Gregor Result.setDestructorName(TildeLoc, 0, ClassNameLoc); 15132d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 15140278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor EnteringContext, ObjectType, Result, 15150278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 15162d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 15172d1c21414199a7452f122598189363a3922605b1Douglas Gregor 15183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 1519124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Action::TypeTy *Ty = Actions.getDestructorName(TildeLoc, *ClassName, 1520124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor ClassNameLoc, CurScope, 1521124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor SS, ObjectType, 1522124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor EnteringContext); 1523124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor if (!Ty) 15243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 1525124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor 15263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 15273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 15283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15302d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 15312d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 15323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 15333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 15343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 15364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 153859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 153959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 154059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 15414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 15434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 15444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 15454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 15464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 15474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 15484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 15494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 15504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1551cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1552cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1553cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1554cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1555cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1556cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1557cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 15584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 15594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 15604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 15614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 156259232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 156359232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 156459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 156559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 15664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 15684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 15694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1570a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 15714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 15724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 1574cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 1575cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 15764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 15774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 15784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1579cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1580cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 158120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1582cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1585cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1586cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 158720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1588cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1590cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 15914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 15924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 15934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 15944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 15954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 15964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 1597cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 1598cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1599ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1600cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 1601cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 16024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 16034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1604cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1605cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1606ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1607ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1608cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1609cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1610ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 16114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 16124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1615cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1616cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1617cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1618cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1619ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1620ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1621cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1622cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1623ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 16244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 16254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1626eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1627cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 162820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1629cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 16304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1631a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 16324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 16334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 16354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 16364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 16374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1638cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1639cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 164020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1641cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 16424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1644cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1645cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 164620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1647cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 16484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1650f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1651f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 1652f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 1653f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 16544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 16554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 16574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 16584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 16594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 16604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 16614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 16624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 166359232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 16644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 16654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 16664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 16674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 16682f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 16692f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 16700e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 16714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 16724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 16734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 16744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 16764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1677ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 16784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 16797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 1680ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 16814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1682ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 16834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 16844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 16864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 16884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 16894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 16904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 16914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 16924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 16934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 16944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 16954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 16964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1697cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 169859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 16994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 17004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1701cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1702ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1703cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1704eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 17054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 17084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 17094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 17104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 17114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 17124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 17144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 17154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 171659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 171759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 171859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 171959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 172059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 17214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 17224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 17234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 172459232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 172559232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 172659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 172759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 17284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 17304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 17314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 17324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 17334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 17344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 17354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 173620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 17374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17392f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 17400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 174120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 17424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1743f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 17444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 174564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 17461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 174764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 174864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 174964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 175064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 175164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 175264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 175364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 175464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 175564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 175664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 175764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 175864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 175964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 176064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 176164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 176264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 176364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 1764ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl case tok::kw___is_literal: return UTT_IsLiteral; 176564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 176664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 176764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 176864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 176964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 177064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 177164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 177264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 177364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 177464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::OwningExprResult Parser::ParseUnaryTypeTrait() { 177664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 177764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 177864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 177964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 178064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 178164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 178264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 178364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 178464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 178564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1786809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 178764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 178864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 178964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1790809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1791809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1792809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1793809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 179464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1795f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1796f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1797f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1798f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1799f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1800f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1801f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1802f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1803f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1804f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1805f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1806f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1807f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1808f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1809f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1810f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1811f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1812f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1813f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1814f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1815f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1816f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1817f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1818f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1819f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1820f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1821f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1822f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1823a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1824f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1825f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1826f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1827f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1828f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1829f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 18301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 1831f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1832f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1833f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1834f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 183514b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, Toks)) { 1836f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1837f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1838f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1839f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1840f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1841f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1842f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1843f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1844f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1845b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1846b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1847b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1848b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1849b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1850b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1851b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1852b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1853b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 18542ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1855b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1856f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1857f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1858f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1859f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1860f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1861f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 18621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 1863f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1864f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1865f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1866f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1867f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1868f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1869f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1870f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1871f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1872f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1873f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1874f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1875f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1876f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1877f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1878f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1879f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1880f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1881f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1882f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1883f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1884f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1886f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1887f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1888f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1889f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1890f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1891f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1892f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1893f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1894f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1895f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 18961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 18972ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1898f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1899f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1901f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1902f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1903f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1904f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1905f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1906f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1907f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1908f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1909f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1910f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1911f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1912f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1913f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1915f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1916f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1917f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1918f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1919f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1920f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1921f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1922