ParseExprCXX.cpp revision 3f5b61c394f4f205bcb4d316eb2a7a0a68b8af86
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" 17a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl#include "AstGuard.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 207a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// ParseOptionalCXXScopeSpecifier - Parse global scope or 217a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// nested-name-specifier if present. Returns true if a nested-name-specifier 227a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// was parsed from the token stream. Note that this routine will not parse 237a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner/// ::new or ::delete, it will just leave them in the token stream. 24eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 25eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 26eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 27eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 28eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 29eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 30eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 31eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 32eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier 'template'[opt] simple-template-id '::' [TODO] 33eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 347a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattnerbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS) { 354bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 367452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 374bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 38eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 393507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Tok.getAnnotationValue()); 40eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SS.setRange(Tok.getAnnotationRange()); 41eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 424bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis return true; 43eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 44e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 4539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 4639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 475b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 485b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 495b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 505b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 515b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 5255a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 5355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 54357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SourceLocation CCLoc = ConsumeToken(); 55357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setBeginLoc(CCLoc); 563507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep(Actions.ActOnCXXGlobalScopeSpecifier(CurScope, CCLoc)); 57357089dea05855e27f80f6f244f9c60fc77cee83Chris Lattner SS.setEndLoc(CCLoc); 5839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 59eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 60eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 6139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 6239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 6339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // type-name '::' 6439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // namespace-name '::' 6539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier identifier '::' 6639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::identifier) && NextToken().is(tok::coloncolon)) { 6739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We have an identifier followed by a '::'. Lookup this name 6839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // as the name in a nested-name-specifier. 6939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor IdentifierInfo *II = Tok.getIdentifierInfo(); 7039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 7139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 7239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 7339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 7439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!HasScopeSpecifier) { 7539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setBeginLoc(IdLoc); 7639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 7739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 7839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 7939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isInvalid()) 8039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 8139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 823507369940bfb269551bfa1fec812481f60e3552Douglas Gregor SS.setScopeRep( 8339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, *II)); 8439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 85eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis continue; 8639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 87eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 8839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 8939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // type-name '::' 9039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier 'template'[opt] simple-template-id '::' 9139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if ((Tok.is(tok::identifier) && NextToken().is(tok::less)) || 9239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Tok.is(tok::kw_template)) { 9339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // Parse the optional 'template' keyword, then make sure we have 9439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'identifier <' after it. 9539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::kw_template)) { 96c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor SourceLocation TemplateKWLoc = ConsumeToken(); 9739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 9839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.isNot(tok::identifier)) { 9939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(Tok.getLocation(), 10039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor diag::err_id_after_template_in_nested_name_spec) 10139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << SourceRange(TemplateKWLoc); 10239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 10339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 10439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 10539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (NextToken().isNot(tok::less)) { 10639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(NextToken().getLocation(), 10739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor diag::err_less_after_template_name_in_nested_name_spec) 10839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Tok.getIdentifierInfo()->getName() 10939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << SourceRange(TemplateKWLoc, Tok.getLocation()); 11039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 11139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 112c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor 113c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateTy Template 114c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor = Actions.ActOnDependentTemplateName(TemplateKWLoc, 115c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor *Tok.getIdentifierInfo(), 116c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor Tok.getLocation(), 117c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor SS); 118c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor AnnotateTemplateIdToken(Template, TNK_Dependent_template_name, 119c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor &SS, TemplateKWLoc, false); 120c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor continue; 12139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 12239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateTy Template; 124c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateNameKind TNK = Actions.isTemplateName(*Tok.getIdentifierInfo(), 125c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor CurScope, Template, &SS); 12639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TNK) { 12739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We have found a template name, so annotate this this token 12839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // with a template-id annotation. We do not permit the 12939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // template-id to be translated into a type annotation, 13039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // because some clients (e.g., the parsing of class template 13139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // specializations) still want to see the original template-id 13239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // token. 133c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor AnnotateTemplateIdToken(Template, TNK, &SS, SourceLocation(), false); 13439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 13539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 13639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 13739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 13839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 13939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We have 14039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 14139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 14239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 14339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 144c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 145c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 14639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId 14739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1484bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 149c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template || 150c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 15131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(&SS); 1523f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor SS.setScopeRep(0); 15339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 15439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::annot_typename) && 15539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor "AnnotateTemplateIdTokenAsType isn't working"); 15639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Token TypeToken = Tok; 15739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor ConsumeToken(); 15839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 15939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 16039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 16139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!HasScopeSpecifier) { 16239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setBeginLoc(TypeToken.getLocation()); 16339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 16439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 16531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 16631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (TypeToken.getAnnotationValue()) 16731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep( 16831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, 16931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationValue(), 17031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeToken.getAnnotationRange(), 17131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor CCLoc)); 17231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 17331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor SS.setScopeRep(0); 17439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SS.setEndLoc(CCLoc); 17539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor continue; 17639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else 177c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor assert(false && "FIXME: Only type template names supported here"); 17839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 17939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 18039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 18139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 18239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 18339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 18439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 18539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return HasScopeSpecifier; 186eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 187eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 188eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 189eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 190eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 191eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 192eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 193eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 194eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id: 195eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// identifier 196eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// operator-function-id 197eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// conversion-function-id [TODO] 198eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '~' class-name [TODO] 199eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// template-id [TODO] 200eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 201eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 202eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 203eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 204eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 205eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' template-id [TODO] 206eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 207eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 208eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 209eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 210eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 211eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier 'template'[opt] simple-template-id '::' [TODO] 212eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 213eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 214eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 215eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 216eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 217eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 218eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 219eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 220eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 221eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 222eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 223eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 224eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 225eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 226eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 227eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 228eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 229eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 230eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 231eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 232eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 233eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 234eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 235eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 236eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 237eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 238ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 239ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 240ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 241ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 242ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 243ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian RedlParser::OwningExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 244eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 245eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 246eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 247eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 248eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 2497a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner ParseOptionalCXXScopeSpecifier(SS); 250eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 251eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // unqualified-id: 252eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // identifier 253eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // operator-function-id 2542def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // conversion-function-id 255eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '~' class-name [TODO] 256eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // template-id [TODO] 257eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 258eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis switch (Tok.getKind()) { 259eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis default: 26020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(Tok, diag::err_expected_unqualified_id)); 261eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 262eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis case tok::identifier: { 263eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Consume the identifier so that we can see if it is followed by a '('. 264eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis IdentifierInfo &II = *Tok.getIdentifierInfo(); 265eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SourceLocation L = ConsumeToken(); 266ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl return Actions.ActOnIdentifierExpr(CurScope, L, II, Tok.is(tok::l_paren), 267ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl &SS, isAddressOfOperand); 268eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 269eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 270eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis case tok::kw_operator: { 271eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis SourceLocation OperatorLoc = Tok.getLocation(); 2727452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner if (OverloadedOperatorKind Op = TryParseOperatorFunctionId()) 273cd965b97cfac7b7a53a835810ec2bc2ac7a9dd1aSebastian Redl return Actions.ActOnCXXOperatorFunctionIdExpr( 274ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl CurScope, OperatorLoc, Op, Tok.is(tok::l_paren), SS, 275ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl isAddressOfOperand); 2767452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner if (TypeTy *Type = ParseConversionFunctionId()) 277cd965b97cfac7b7a53a835810ec2bc2ac7a9dd1aSebastian Redl return Actions.ActOnCXXConversionFunctionExpr(CurScope, OperatorLoc, Type, 278ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl Tok.is(tok::l_paren), SS, 279ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl isAddressOfOperand); 28020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 2812def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // We already complained about a bad conversion-function-id, 2822def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // above. 28320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 284eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 285eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 286eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } // switch. 287eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 288eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis assert(0 && "The switch was supposed to take care everything."); 289eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 290eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 30020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXCasts() { 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 31620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 318809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3211ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 32220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3261ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (Tok.isNot(tok::l_paren)) 32720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << CastName); 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 329d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult Result(ParseSimpleParenExpression(RParenLoc)); 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 331809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 33249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 333f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 334809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 335f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move(Result), RParenLoc); 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 340c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 341c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 342c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 343c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 344c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 345c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 34620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXTypeid() { 347c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 348c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 349c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 350c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 351c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 352c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 353c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 354c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 355c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 35620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 357c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 35815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Result(Actions); 359c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 360c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 361809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 362c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 363c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 364c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 365c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 366809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 36720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 368c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 369c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 370809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc); 371c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 372c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 373c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 374c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 3750e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 376c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 377c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 378c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl MatchRHSPunctuation(tok::r_paren, LParenLoc); 379c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 380c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 381effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 382c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 383c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 384c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 38520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 386c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 387c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 39320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXBoolLiteral() { 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 395f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 39750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 39850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 39950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 40050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 40150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 40220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseThrowExpression() { 40350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 40450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 40520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 4062a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 4072a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 4082a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 4092a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 4102a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 4112a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 4122a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 4132a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 4142a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 4152a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 416f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, ExprArg(Actions)); 41750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 4182a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 4192f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Expr(ParseAssignmentExpression()); 42020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 421f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThrow(ThrowLoc, move(Expr)); 4222a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 42350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 4244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 4264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 4274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 4284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 4294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 43020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult Parser::ParseCXXThis() { 4314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 4324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 433f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 4344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 435987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 436987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 437987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 438987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 439987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 440987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 441987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 442987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 443987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 444987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 44520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::OwningExprResult 44620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 447987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 4485ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor TypeTy *TypeRep = Actions.ActOnTypeName(CurScope, DeclaratorInfo).get(); 449987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 450987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 451987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 452987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 453a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 454987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 455987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 456987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 457987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 458987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 45920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 460987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 461987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 462987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 463987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 464987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 465987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 466987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 467987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 468f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXTypeConstructExpr(DS.getSourceRange(), TypeRep, 469f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LParenLoc, move_arg(Exprs), 470f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl &CommaLocs[0], RParenLoc); 471987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 472987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 47371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// ParseCXXCondition - if/switch/while/for condition expression. 47471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 47571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 47671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 47771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 47871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 47971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 48071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 4812f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian RedlParser::OwningExprResult Parser::ParseCXXCondition() { 482a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis if (!isCXXConditionDeclaration()) 48371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis return ParseExpression(); // expression 48471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 48571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation StartLoc = Tok.getLocation(); 48671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 48771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 48871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis DeclSpec DS; 48971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 49071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 49171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 49271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 49371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 49471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 49571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 49671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 497ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 498ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 4990e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 50071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 5012f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 50271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 503effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 504ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 50571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 50671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 50771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 508ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 509ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 510ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 511ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 512ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 51371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 51471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 51571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.isNot(tok::equal)) 5162f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_equal_after_declarator)); 51771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SourceLocation EqualLoc = ConsumeToken(); 5182f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult AssignExpr(ParseAssignmentExpression()); 5190e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AssignExpr.isInvalid()) 5202f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl return ExprError(); 5212f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 522f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXConditionDeclarationExpr(CurScope, StartLoc, 523f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl DeclaratorInfo,EqualLoc, 524f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move(AssignExpr)); 52571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 52671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 527987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 528987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 529987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 530987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 531987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 532eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 533987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 534987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 535987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 536987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 537987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 538987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 539987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 540987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 541987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 542987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 543987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 544987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 545987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 546987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 547987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 548987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 549987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 550987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 551987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 552987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 553987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 554987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 555987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 556987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 557987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 558987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 55955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 56055a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 56155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 562987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis default: 563987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 564987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 56555a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 566987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 567b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 5681a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, 569eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Tok.getAnnotationValue()); 570987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 571987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 572987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 573987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 574987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 575987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec); 576987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 577987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 578987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec); 579987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 580987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 581987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec); 582987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 583987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 584987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec); 585987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 586987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 587987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec); 588987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 589987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 590987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec); 591987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 592987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 593987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec); 594987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 595987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 596987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec); 597987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 598987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 599987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec); 600987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 601987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 602987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec); 603987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 604987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 605987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec); 606987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 607987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 608987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 609987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 610987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 6119b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 612987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 613987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 614b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 615eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 616eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 617eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 618987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 6199b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 620987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 6211cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 6222f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 6232f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 6242f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 6252f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 6262f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 6272f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 6282f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 6292f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 6302f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 6312f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 6322f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 6332f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 6342f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 6352f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 6362f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor int isInvalid = 0; 6372f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 6382f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 6397a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec)) { 6401ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_operator_missing_type_specifier); 6412f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 6422f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 6437a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner 644b8006e50bf378ddbab9601c1fa07f151ac538ff3Ted Kremenek while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec)) ; 6452f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 6462f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 6472f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 6482f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 64943c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor/// TryParseOperatorFunctionId - Attempts to parse a C++ overloaded 6501cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator name (C++ [over.oper]). If successful, returns the 6511cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// predefined identifier that corresponds to that overloaded 6521cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator. Otherwise, returns NULL and does not consume any tokens. 6531cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 6541cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator-function-id: [C++ 13.5] 6551cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 'operator' operator 6561cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// 6571cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// operator: one of 6581cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// new delete new[] delete[] 6591cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// + - * / % ^ & | ~ 6601cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ! = < > += -= *= /= %= 6611cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// ^= &= |= << >> >>= <<= == != 6621cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// <= >= && || ++ -- , ->* -> 6631cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// () [] 664ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlOverloadedOperatorKind 665ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TryParseOperatorFunctionId(SourceLocation *EndLoc) { 6669057a81efaf15c543aab1c5c8488e8a9ed2c0ff4Argyrios Kyrtzidis assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 667ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 6681cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 6691cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor OverloadedOperatorKind Op = OO_None; 6701cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor switch (NextToken().getKind()) { 6711cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_new: 6721cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 673ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'new' 6741cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 6751cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 676ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 6771cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 6781cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_New; 6791cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 6801cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_New; 6811cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 682ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 683ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 684e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 6851cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 6861cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::kw_delete: 6871cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 688ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeToken(); // 'delete' 6891cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor if (Tok.is(tok::l_square)) { 6901cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 691ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 6921cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 6931cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Array_Delete; 6941cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } else { 6951cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor Op = OO_Delete; 6961cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 697ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 698ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 699e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 7001cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 70102bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 7021cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::Token: Op = OO_##Name; break; 70302bcd4cd1a19121da12884aa4943226f72a81e6cDouglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 7041cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor#include "clang/Basic/OperatorKinds.def" 7051cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7061cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_paren: 7071cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 7081cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeParen(); // '(' 709ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 7101cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_paren, diag::err_expected_rparen); // ')' 711ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 712ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 713e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Call; 7141cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7151cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor case tok::l_square: 7161cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeToken(); // 'operator' 7171cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ConsumeBracket(); // '[' 718ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = Tok.getLocation(); 7191cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); // ']' 720ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 721ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 722e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_Subscript; 7231cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 7241cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor default: 725e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return OO_None; 7261cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor } 72743c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor 72843c7bad105f742988e7ca40564285c83bea854a5Douglas Gregor ConsumeToken(); // 'operator' 729ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeAnyToken(); // the operator itself 730ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 731ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 732e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return Op; 7331cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 7342f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7352f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseConversionFunctionId - Parse a C++ conversion-function-id, 7362f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// which expresses the name of a user-defined conversion operator 7372f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// (C++ [class.conv.fct]p1). Returns the type that this operator is 7382f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// specifying a conversion for, or NULL if there was an error. 7392f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7402f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-function-id: [C++ 12.3.2] 7412f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// operator conversion-type-id 7422f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7432f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-type-id: 7442f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq conversion-declarator[opt] 7452f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 7462f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// conversion-declarator: 7472f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ptr-operator conversion-declarator[opt] 748ab197baec16bacade82325fb274cf6b992ac5d8aSebastian RedlParser::TypeTy *Parser::ParseConversionFunctionId(SourceLocation *EndLoc) { 7492f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 7502f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor ConsumeToken(); // 'operator' 7512f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7522f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the type-specifier-seq. 7532f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DeclSpec DS; 7542f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) 7552f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 7562f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7572f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 7582f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // ptr-operators. 7592f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 7604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 761ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 762ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = D.getSourceRange().getEnd(); 7632f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 7642f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Finish up the type. 7652f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor Action::TypeResult Result = Actions.ActOnTypeName(CurScope, D); 7665ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) 7672f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return 0; 7682f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor else 7695ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor return Result.get(); 7702f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 7714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 7724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 7734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 77459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 77559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 77659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 77759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 7784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 7794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 7804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 7814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 7824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 7834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 7844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 7854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 7864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 7874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 788cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 789cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 790cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 791cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 792cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 793cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 794cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 7954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 7964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 7974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 7984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 79959232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 80059232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 80159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 80259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 8034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 8054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 8064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 807a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 8084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 8094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ParenTypeId; 811cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclSpec DS; 812cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 8134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 8144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 8154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 816cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 817cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 81820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 819cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 822cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 823cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 82420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 825cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 827cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 8284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 8294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 8304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 8314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 8324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 8334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 834cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SourceLocation LParen = ConsumeParen(); 835cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 836ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 837cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 838cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl MatchRHSPunctuation(tok::r_paren, LParen); 8394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = true; 8404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 841cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 842cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 843ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 844ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 845cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 846cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 847ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 8484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 8494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 8504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 8514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 852cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 853cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 854cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 855cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 856ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 857ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 858cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 859cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 860ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 8614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ParenTypeId = false; 8624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 863eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 864cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 86520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 866cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 868a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 8694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 8704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 8724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 8734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 8744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 875cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 876cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 87720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 878cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 8804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 881cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 882cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 88320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 884cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 8854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 8864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 887f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 888f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 889f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl ParenTypeId, DeclaratorInfo, ConstructorLParen, 890f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 8914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 8924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 8944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 8954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 8964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 8974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 8984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 8994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 90059232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 9014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 9024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 9034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 9044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 9052f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Size(first ? ParseExpression() 9062f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 9070e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 9084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 9094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 9104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 9114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 9134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 914ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 9154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false, 916ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Size.release(), LLoc), 917ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl RLoc); 9184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 919ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 9204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 9214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 9234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 9254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 9264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 9274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 9284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 9294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 9304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 9314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 9324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 9334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 934cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redlbool Parser::ParseExpressionListOrTypeId(ExprListTy &PlacementArgs, 93559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 9364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 9374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 938cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 939ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 940cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 941eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 9424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 9454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 9464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 9474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 9484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 9494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 9514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 9524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 95359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 95459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 95559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 95659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 95759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 9584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 9594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 9604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 96159232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::OwningExprResult 96259232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 96359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 96459232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 9654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 9674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 9684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 9694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 9704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 9714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 9724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 97320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 9744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 9754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 9762f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Operand(ParseCastExpression(false)); 9770e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 97820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 9794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 980f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, move(Operand)); 9814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 98264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 98364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) 98464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl{ 98564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 98664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl default: assert(false && "Not a known unary type trait."); 98764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 98864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 98964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 99064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 99164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 99264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 99364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 99464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 99564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 99664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 99764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 99864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 99964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 100064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 100164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 100264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 100364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 100464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 100564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 100664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 100764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 100864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 100964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 101064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 101164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 101264b45f7e0d3167f040841ac2920aead7f080730dSebastian RedlParser::OwningExprResult Parser::ParseUnaryTypeTrait() 101364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl{ 101464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 101564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 101664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 101764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 101864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 101964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 102064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 102164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 102264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 102364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1024809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 102564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 102664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 102764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1028809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1029809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1030809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1031809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, LParen, Ty.get(), RParen); 103264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1033