ParseExprCXX.cpp revision 2ef13e5abef0570a9f567b4671367275c05d4d34
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" 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 197a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// ParseOptionalCXXScopeSpecifier - Parse global scope or 207a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// nested-name-specifier if present. Returns true if a nested-name-specifier 217a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// was parsed from the token stream. Note that this routine will not parse 227a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// ::new or ::delete, it will just leave them in the token stream. 23eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 24eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 25eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 26eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 27eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 28eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 29eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 30eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 31eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier 'template'[opt] simple-template-id '::' [TODO] 32eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 337a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattnerbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS) { 344bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 357452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 364bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 37eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 383507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Tok.getAnnotationValue()); 39eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SS.setRange(Tok.getAnnotationRange()); 40eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 414bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis return true; 42eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 43e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 4439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 4539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 465b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 475b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 485b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 495b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 505b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 5155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 5255a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 53357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SourceLocation CCLoc = ConsumeToken(); 54357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setBeginLoc(CCLoc); 553507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Actions.ActOnCXXGlobalScopeSpecifier(CurScope, CCLoc)); 56357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setEndLoc(CCLoc); 5739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 58eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 59eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 6039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 6139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 6277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 6377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 6477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 6577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 6677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 6777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 6877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 6977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.isNot(tok::identifier)) { 7077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner Diag(Tok.getLocation(), 7177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner diag::err_id_after_template_in_nested_name_spec) 7277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner << SourceRange(TemplateKWLoc); 7377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 7477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 7577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 7677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (NextToken().isNot(tok::less)) { 7777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner Diag(NextToken().getLocation(), 7877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner diag::err_less_after_template_name_in_nested_name_spec) 7977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner << Tok.getIdentifierInfo()->getName() 8077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner << SourceRange(TemplateKWLoc, Tok.getLocation()); 8177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 8277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 8377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 8477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner TemplateTy Template 8577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner = Actions.ActOnDependentTemplateName(TemplateKWLoc, 8677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner *Tok.getIdentifierInfo(), 8777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner Tok.getLocation(), SS); 88c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, 89c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner &SS, TemplateKWLoc, false)) 90c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 91c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner 9277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 9377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 9477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 9539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 9639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We have 9739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 9839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 9939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 10039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 101c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 102c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 10339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId 10439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1054bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 106c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template || 107c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 10831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(&SS); 1093f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor SS.setScopeRep(0); 11039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 11139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::annot_typename) && 11239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor "AnnotateTemplateIdTokenAsType isn't working"); 11339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Token TypeToken = Tok; 11439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor ConsumeToken(); 11539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 11639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 11739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 11839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!HasScopeSpecifier) { 11939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setBeginLoc(TypeToken.getLocation()); 12039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 12139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 12231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 12331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (TypeToken.getAnnotationValue()) 12431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep( 12531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, 12631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationValue(), 12731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationRange(), 12831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor CCLoc)); 12931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 13031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep(0); 13139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 13239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 13367b9e831943300ce54e564e601971828ce4def15Chris Lattner } 13467b9e831943300ce54e564e601971828ce4def15Chris Lattner 13567b9e831943300ce54e564e601971828ce4def15Chris Lattner assert(false && "FIXME: Only type template names supported here"); 13639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 13739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1385c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1395c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 1405c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 1415c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 1425c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 1435c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1445c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 1455c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1465c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 1475c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 1485c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 1495c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 1505c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 1515c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 1525c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 1535c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 1545c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 1555c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 1565c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 1575c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1585c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (!HasScopeSpecifier) { 1595c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setBeginLoc(IdLoc); 1605c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner HasScopeSpecifier = true; 1615c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 1625c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1635c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (SS.isInvalid()) 1645c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 1655c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1665c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setScopeRep( 1675c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, II)); 1685c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SS.setEndLoc(CCLoc); 1695c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 1705c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 1715c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 1725c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 1735c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 1745c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 1755c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 1765c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (TemplateNameKind TNK = Actions.isTemplateName(II, CurScope, 1775c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Template, &SS)) { 1785c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 1795c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 1805c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 1815c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 1825c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 1835c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 184c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner if (AnnotateTemplateIdToken(Template, TNK, &SS, SourceLocation(), 185c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner false)) 186c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner break; 1875c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 1885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 1895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 1905c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 19139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 19239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 19339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 19439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 19539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 19639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 197eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 198eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 199eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 200eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 201eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 202eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 203eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 204eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 205eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id: 206eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// identifier 207eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// operator-function-id 208eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// conversion-function-id [TODO] 209eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '~' class-name [TODO] 210edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// template-id 211eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 212eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 213eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 214eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 215eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 216edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 217eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 218eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 219eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 220eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 221eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 222eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier 'template'[opt] simple-template-id '::' [TODO] 223eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 224eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 225eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 226eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 227eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 228eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 229eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 230eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 231eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 232eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 233eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 234eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 235eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 236eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 237eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 238eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 239eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 240eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 241eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 242eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 243eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 244eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 245eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 246eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 247eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 248eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 249ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 250ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 251ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 252ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 253ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 254ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 255eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 256eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 257eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 258eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 259eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 2607a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner ParseOptionalCXXScopeSpecifier(SS); 261eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 262eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // unqualified-id: 263eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // identifier 264eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // operator-function-id 2652def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // conversion-function-id 266eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '~' class-name [TODO] 267edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor // template-id 268eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 269eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis switch (Tok.getKind()) { 270eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis default: 27120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(Tok, diag::err_expected_unqualified_id)); 272eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 273eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis case tok::identifier: { 274eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Consume the identifier so that we can see if it is followed by a '('. 275eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis IdentifierInfo &II = *Tok.getIdentifierInfo(); 276eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SourceLocation L = ConsumeToken(); 277ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl return Actions.ActOnIdentifierExpr(CurScope, L, II, Tok.is(tok::l_paren), 278ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl &SS, isAddressOfOperand); 279eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 280eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 281eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis case tok::kw_operator: { 282eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SourceLocation OperatorLoc = Tok.getLocation(); 2837452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner if (OverloadedOperatorKind Op = TryParseOperatorFunctionId()) 284cd965b97cfac7b7a53a835810ec2bc2ac7a9dd1aSebastian Redl return Actions.ActOnCXXOperatorFunctionIdExpr( 285ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl CurScope, OperatorLoc, Op, Tok.is(tok::l_paren), SS, 286ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl isAddressOfOperand); 2877452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner if (TypeTy *Type = ParseConversionFunctionId()) 288cd965b97cfac7b7a53a835810ec2bc2ac7a9dd1aSebastian Redl return Actions.ActOnCXXConversionFunctionExpr(CurScope, OperatorLoc, Type, 289ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl Tok.is(tok::l_paren), SS, 290ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl isAddressOfOperand); 29120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 2922def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // We already complained about a bad conversion-function-id, 2932def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // above. 29420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 295eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 296eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 297edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor case tok::annot_template_id: { 298edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateIdAnnotation *TemplateId 299edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 300edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor assert((TemplateId->Kind == TNK_Function_template || 301edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) && 302edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor "A template type name is not an ID expression"); 303edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor 304edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, 305edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->getTemplateArgs(), 306edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->getTemplateArgIsType(), 307edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->NumArgs); 308edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor 309edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor OwningExprResult Result 310edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor = Actions.ActOnTemplateIdExpr(TemplateTy::make(TemplateId->Template), 311edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->TemplateNameLoc, 312edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->LAngleLoc, 313edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateArgsPtr, 314edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->getTemplateArgLocations(), 315edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor TemplateId->RAngleLoc); 316edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor ConsumeToken(); // Consume the template-id token 317edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor return move(Result); 318edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 319edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor 320eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } // switch. 321eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 322eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis assert(0 && "The switch was supposed to take care everything."); 323eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 324eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 33420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 35020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 352809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3551ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 35620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 36121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36321e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis OwningExprResult Result = ParseExpression(); 36421e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis 36521e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 36621e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (Result.isInvalid()) 36721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis SkipUntil(tok::r_paren); 36821e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis 36921e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 37021e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 37121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis else 37221e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 374809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 37549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 376f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 377809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 378f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 38020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 383c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 384c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 385c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 386c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 387c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 388c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 38920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 390c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 391c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 392c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 393c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 394c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 395c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 396c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 397c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 398c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 39920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 400c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 40115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 402c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 403c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 404809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 405c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 406c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 407c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 408c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 409809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 41020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 411c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 412c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 413809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 414c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 415e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 416e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // When typeid is applied to an expression other than an lvalue of a 417e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type [...] The expression is an unevaluated 418e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 419e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 420e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // Note that we can't tell whether the expression is an lvalue of a 421e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 422ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 423ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 424ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::PotentiallyPotentiallyEvaluated); 425c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 426c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 427c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 4280e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 429c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 430c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 431c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 432c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 433c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 434effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 435c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 436c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 437c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 43820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 439c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 440c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 44620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 448f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 45050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 45150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 45250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 45350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 45450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 45520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 45650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 45750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 45820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 4592a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 4602a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 4612a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 4622a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 4632a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 4642a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 4652a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 4662a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 4672a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 4682a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 469f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 47050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 4712a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 4722f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 47320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 474f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 4752a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 47650dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 4774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 4794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 4804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 4814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 4824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 48320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 4844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 4854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 486f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 4874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 488987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 489987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 490987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 491987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 492987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 493987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 494987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 495987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 496987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 497987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 49820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 49920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 500987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 5015ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 502987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 503987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 504987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 505987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 506a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 507987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 508987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 509987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 510987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 511987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 51220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 513987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 514987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 515987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 516987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 517987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 518987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 519ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 520ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 521ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 522ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 523987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 524987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 525f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 526f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 527beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CommaLocs.data(), RParenLoc); 528987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 529987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 53071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// ParseCXXCondition - if/switch/while/for condition expression. 53171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 53271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 53371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 53471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 53571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 53671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 53771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 5382f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian RedlParser::OwningExprResult Parser::ParseCXXCondition() { 539a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis if (!isCXXConditionDeclaration()) 54071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis return ParseExpression(); // expression 54171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 54271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation StartLoc = Tok.getLocation(); 54371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 54471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 54571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 54671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 54771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 54871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 54971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 55071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 55171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 55271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 55371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 554ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 555ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 5560e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 55771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 5582f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 55971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 560effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 561ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 56271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 56371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 56471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 565ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 566ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 567ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 568ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 569ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 57071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 57171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 57271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.isNot(tok::equal)) 5732f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_equal_after_declarator)); 57471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation EqualLoc = ConsumeToken(); 5752f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult AssignExpr(ParseAssignmentExpression()); 5760e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AssignExpr.isInvalid()) 5772f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 5782f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 579f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXConditionDeclarationExpr(CurScope, StartLoc, 580f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl DeclaratorInfo,EqualLoc, 581f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move(AssignExpr)); 58271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 58371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 584987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 585987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 586987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 587987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 588987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 589eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 590987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 591987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 592987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 593987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 594987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 595987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 596987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 597987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 598987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 599987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 600987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 601987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 602987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 603987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 604987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 605987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 606987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 607987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 608987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 609987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 610987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 611987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 612987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 613fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 614987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 615987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 616987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 61755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 61855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 61955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 620987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis default: 621987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 622987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 62355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 624987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 625b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 626fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 627eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 628987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 629987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 630987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 631987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 632987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 633fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 634987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 635987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 636fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 637987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 638987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 639fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 640987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 641987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 642fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 643987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 644987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 645fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 646987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 647987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 648fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 649987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 650987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 651fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 652987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 653987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 654fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 655987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 656987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 657fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 658987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 659987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 660fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 661987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 662f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 663fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 664f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 665f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 666fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 667f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 668987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 669fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 670987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 671987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 672987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 673987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 674987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 6759b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 676987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 677987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 678b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 679eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 680eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 681eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 682987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 6839b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 684987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 6851cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 6862f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 6872f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 6882f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 6892f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 6902f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 6912f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 6922f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 6932f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 6942f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 6952f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 6962f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 6972f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 6982f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 6992f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 700fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 701fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 7022f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7032f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 704fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) { 7051ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 7062f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 7072f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 7087a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner 709fec54013fcd0eb72642741584ca04c1bc292bef8John McCall while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID)) ; 7102f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7112f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 7122f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 7132f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 71443c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor/// TryParseOperatorFunctionId - Attempts to parse a C++ overloaded 7151cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator name (C++ [over.oper]). If successful, returns the 7161cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// predefined identifier that corresponds to that overloaded 7171cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator. Otherwise, returns NULL and does not consume any tokens. 7181cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 7191cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator-function-id: [C++ 13.5] 7201cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 'operator' operator 7211cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 7221cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator: one of 7231cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// new delete new[] delete[] 7241cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// + - * / % ^ & | ~ 7251cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ! = < > += -= *= /= %= 7261cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ^= &= |= << >> >>= <<= == != 7271cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// <= >= && || ++ -- , ->* -> 7281cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// () [] 729ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlOverloadedOperatorKind 730ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TryParseOperatorFunctionId(SourceLocation *EndLoc) { 7319057a81efaf15c543aab1c5c8488e8a9ed2c0ff4Argyrios Kyrtzidis assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 732ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 7331cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7341cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor OverloadedOperatorKind Op = OO_None; 7351cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor switch (NextToken().getKind()) { 7361cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_new: 7371cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 738ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'new' 7391cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 7401cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 741ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 7421cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 7431cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_New; 7441cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 7451cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_New; 7461cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 747ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 748ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 749e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 7501cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7511cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_delete: 7521cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 753ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'delete' 7541cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 7551cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 756ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 7571cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 7581cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_Delete; 7591cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 7601cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Delete; 7611cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 762ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 763ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 764e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 7651cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 76602bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 7671cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::Token: Op = OO_##Name; break; 76802bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 7691cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor#include "clang/Basic/OperatorKinds.def" 7701cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7711cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_paren: 7721cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 7731cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeParen(); // '(' 774ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 7751cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_paren, diag::err_expected_rparen); // ')' 776ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 777ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 778e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Call; 7791cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7801cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_square: 7811cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 7821cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 783ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 7841cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 785ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 786ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 787e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Subscript; 7881cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7891cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor default: 790e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_None; 7911cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 79243c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor 79343c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor ConsumeToken(); // 'operator' 794ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeAnyToken(); // the operator itself 795ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 796ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 797e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 7981cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 7992f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8002f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseConversionFunctionId - Parse a C++ conversion-function-id, 8012f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// which expresses the name of a user-defined conversion operator 8022f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// (C++ [class.conv.fct]p1). Returns the type that this operator is 8032f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// specifying a conversion for, or NULL if there was an error. 8042f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8052f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-function-id: [C++ 12.3.2] 8062f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// operator conversion-type-id 8072f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8082f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-type-id: 8092f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq conversion-declarator[opt] 8102f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 8112f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-declarator: 8122f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ptr-operator conversion-declarator[opt] 813ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TypeTy *Parser::ParseConversionFunctionId(SourceLocation *EndLoc) { 8142f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 8152f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor ConsumeToken(); // 'operator' 8162f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8172f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the type-specifier-seq. 8182f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DeclSpec DS; 8192f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) 8202f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 8212f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8222f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 8232f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // ptr-operators. 8242f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 8254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 826ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 827ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = D.getSourceRange().getEnd(); 8282f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 8292f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Finish up the type. 8302f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Action::TypeResult Result = Actions.ActOnTypeName(CurScope, D); 8315ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) 8322f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 8332f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor else 8345ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor return Result.get(); 8352f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 8364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 8384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 83959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 84059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 84159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 84259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 8434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 8444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 8454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 8464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 8474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 8484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 8494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 8504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 8514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 8524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 853cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 854cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 855cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 856cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 857cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 858cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 859cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 8604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 8614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 8624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 8634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 86459232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 86559232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 86659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 86759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 8684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 8704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 8714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 872a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 8734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 8744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 876cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 877cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 8784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 8794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 8804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 881cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 882cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 88320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 884cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 887cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 888cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 88920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 890cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 892cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 8934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 8944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 8954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 8964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 8974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 8984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 899cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 900cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 901ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 902cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 903cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 9044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 9054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 906cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 907cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 908ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 909ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 910cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 911cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 912ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 9134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 9144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 917cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 918cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 919cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 920cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 921ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 922ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 923cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 924cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 925ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 9264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 9274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 928eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 929cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 93020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 931cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 9324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 933a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 9344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 9354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 9374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 9384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 9394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 940cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 941cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 94220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 943cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 9444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 946cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 947cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 94820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 949cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 9504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 952f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 953f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 954f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 955f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 9564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 9574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 9594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 9604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 9614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 9624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 9634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 9644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 96559232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 9664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 9674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 9684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 9694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 9702f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 9712f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 9720e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 9734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 9744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 9754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 9764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 9784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 979ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 9804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 9817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 982ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 9834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 984ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 9854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 9864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 9884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 9904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 9914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 9924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 9934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 9944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 9954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 9964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 9974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 9984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 999cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 100059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 10014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 10024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1003cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1004ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1005cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1006eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 10074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 10084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 10104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 10114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 10124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 10134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 10144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 10164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 10174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 101859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 101959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 102059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 102159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 102259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 10234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 10244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 10254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 102659232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 102759232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 102859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 102959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 10304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 10324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 10334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 10344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 10354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 10364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 10374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 103820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 10394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 10404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10412f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 10420e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 104320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 10444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1045f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 10464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 104764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 104864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) 104964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl{ 105064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 105164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 105264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 105364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 105464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 105564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 105664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 105764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 105864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 105964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 106064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 106164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 106264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 106364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 106464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 106564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 106664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 106764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 106864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 106964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 107064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 107164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 107264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 107364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 107464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 107564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 107664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 107764b45f7e0d3167f040841ac2920aead7f080730dSebastian RedlParser::OwningExprResult Parser::ParseUnaryTypeTrait() 107864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl{ 107964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 108064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 108164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 108264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 108364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 108464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 108564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 108664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 108764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 108864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1089809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 109064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 109164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 109264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1093809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1094809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1095809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1096809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 109764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1098f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1099f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 1100f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 1101f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 1102f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::OwningExprResult 1103f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1104f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 1105f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1106f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 1107f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 1108f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 1109f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 1110f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1111f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult Result(Actions, true); 1112f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = 0; 1113f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1114f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 1115f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1116f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 1117f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 1118f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 1119f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 1120f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1121f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 1122f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 1123f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 1124f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 1125f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 1126a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 1127f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 1128f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 1129f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 1130f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 1131f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 1132f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1133f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParenParseOption ParseAs; 1134f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 1135f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1136f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 1137f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 1138f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, tok::unknown, Toks, tok::semi)) { 1139f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 1140f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1141f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1142f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1143f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1144f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 1145f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 1146f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 1147f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 1148b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 1149b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 1150b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 1151b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 1152b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 1153b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 1154b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 1155b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 1156b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 11572ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman NotCastExpr, false); 1158b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 1159f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1160f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 1161f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 1162f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 1163f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1164f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1165f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // The current token should go after the cached tokens. 1166f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 1167f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 1168f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 1169f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 1170f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 1171f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 1172f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 1173f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 1174f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1175f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 1176f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 1177f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1178f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 1179f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1180f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 1181f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 1182f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1183f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1184f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 1185f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 1186f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 1187f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 1188f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1189f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 1190f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 1191f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1192f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 1193f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 1194f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1195f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 1196f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1197f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 1198f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 11992ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Result = Actions.ActOnCastExpr(CurScope, LParenLoc, CastTy, RParenLoc, 12002ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman move(Result)); 1201f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1202f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1203f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1204f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 1205f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 1206f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1207f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 1208f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 1209f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 1210f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), move(Result)); 1211f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1212f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 1213f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 1214f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 1215f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 1216f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 1217f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 1218f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 1219f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 1220f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 1221f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 1222f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 1223f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 1224f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 1225