ParseDeclCXX.cpp revision b1d397c23e1f8fd8b404d5731d531e7500f7140d
18f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===// 28f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 38f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// The LLVM Compiler Infrastructure 48f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 78f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 88f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 98f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// This file implements the C++ Declaration portions of the Parser interfaces. 118f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 128f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 138f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 140c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson#include "clang/Basic/OperatorKinds.h" 151b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor#include "clang/Parse/Parser.h" 16500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 17e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor#include "clang/Parse/DeclSpec.h" 188f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner#include "clang/Parse/Scope.h" 19314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor#include "clang/Parse/Template.h" 20d167ca0d26e43292b8b9e8d5300d92784ae0e27dChris Lattner#include "RAIIObjectsForParser.h" 218f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 228f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// may either be a top level namespace or a block-level namespace alias. 258f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 268f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 278f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' attributes[opt] '{' namespace-body '}' 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 338f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier attributes[opt] '{' namespace-body '}' 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 408f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 418f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' original-namespace-name '{' namespace-body '}' 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 448f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 458f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 4697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseNamespace(unsigned Context, 4797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 4804d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 5223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceDecl(getCurScope()); 53dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 5449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 55193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 568f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 578f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 586a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 596a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6104d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 628f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 638f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 648f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 668f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 671e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 686a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 696a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 706a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 718f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 721e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.reset(ParseGNUAttributes()); 736a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 756a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 766a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (AttrList) 776a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 786a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 7997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 806a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 825144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 845144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 855144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return DeclPtrTy(); 865144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 885144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 892d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 9023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 9123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 9223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 9395f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor Diag(LBrace, diag::err_namespace_nonnamespace_scope); 9495f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 9595f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor return DeclPtrTy(); 9695f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 9795f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 985144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 995144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1002d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 1015144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner DeclPtrTy NamespcDecl = 10223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartNamespaceDef(getCurScope(), IdentLoc, Ident, LBrace, 1031e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.get()); 1042d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 1055144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PrettyStackTraceActionsDecl CrashInfo(NamespcDecl, NamespaceLoc, Actions, 1065144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PP.getSourceManager(), 1075144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner "parsing namespace"); 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 109bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 110bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 111bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 112bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 113bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 114bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1165144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1175144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1188ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 11997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 12097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1212d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 12297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1235144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 125c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 126f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 127f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 128f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 12903bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders CarlssonParser::DeclPtrTy Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 13197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 13297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 133f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 13823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 139dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 14049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 141193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 142f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 143f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 144be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 145f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 146f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 147f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 148f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 149f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 150b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 151f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 152f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 153f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 15403bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 15503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 15897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1596869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1606869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 16303bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 164f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 165f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 166c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 167c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 168c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 169c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 170c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 171c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 172c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 1733acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::DeclPtrTy Parser::ParseLinkage(ParsingDeclSpec &DS, 1743acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian unsigned Context) { 175c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 176193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 177c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 178453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 179453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor llvm::StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 180453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 181453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor return DeclPtrTy(); 182c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 183c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 184c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 185074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 1861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy LinkageSpec 18723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 188074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 189d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 191074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 192074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 193bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 194bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 195bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 196bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 197193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 198074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 19935f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2003acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian ParseDeclarationOrFunctionDefinition(DS, Attr.AttrList); 20123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 202074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 204f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 20563a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 20663a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 207bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 208bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 209bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 210bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 211f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 212f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 213bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 214bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 215bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 216bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 217f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 218c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 219f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 22023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, RBrace); 221c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 222e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 223f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 224f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 22597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 226bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr) { 228f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 229f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 230f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 231f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 232f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 23349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 23423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 235dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 23649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 237193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2382f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 239f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 240bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseUsingDirective(Context, UsingLoc, DeclEnd, Attr.AttrList); 241bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 242bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 243bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 244bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 2452f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2462f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 247bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Ignore illegal attributes (the caller should already have issued an error. 24897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 249f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 250f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 251f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 252f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 253f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 254f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 255f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 256f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 257f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 258f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 259f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 260f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 261b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 26297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 263bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 264bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *Attr) { 265f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 27049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 27123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 272dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 27349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 274193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 276f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 277be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 278f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 279f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 280f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 281f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 282f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 283823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 284f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 285f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 286f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 287f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 288b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 289f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 291823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 292823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 293823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 295823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 296bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 297bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 298bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 299bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = addAttributeLists(Attr, ParseGNUAttributes()); 300bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 302823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 30397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 3046869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 305bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr ? diag::err_expected_semi_after_attribute_list : 3066869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 307f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 30823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 309bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentLoc, NamespcName, Attr); 310f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 311f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 312f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 313f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 314f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 315f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 316f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3189cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 319f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 320b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 32197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 322595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 323595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 3249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3257ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 32912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3309cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3317ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3389cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 339be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 3409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 347193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 34812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 34912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 35012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 351193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 35212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 35312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 354193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 355193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*ObjectType=*/0, 35612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 360193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3619cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3621e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 3639cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3641e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.reset(ParseGNUAttributes()); 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3669cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3689cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 369193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam AttrList ? "attributes list" : "using declaration", 37012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 37223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, Name, 3731e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.get(), IsTypeName, TypenameLoc); 374f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 375f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 376511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 377511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 378511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 379511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 380511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 38197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 382511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 383511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 385511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 386511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 387b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 388511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 390511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 391e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 392511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 393511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 394511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 395b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 396511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 398ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 399b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 400ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 401511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 402511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 403511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 404b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 405511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 407511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 409b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 410511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 41194b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 414511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 415511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 41794b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 418511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 419511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4206fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4246fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4256fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4266fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4286fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 4416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 4426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4466fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4506fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 459fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 462fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 463fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4646fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4656fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 46642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 46742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 46842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4697f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 47042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 47142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 47242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 47342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4747f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 47631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 4779ab14541716928894821cf5d53d6b4c95ffdf3a3Jeffrey Yasskin CXXScopeSpec *SS) { 4787f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4797f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4817f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 482d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 483d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 48431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4867f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4877f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4887f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4897f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 49031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 49131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 49231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 49331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4947f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4957f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4967f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4977f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4987f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 49942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 5001ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 50131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 50242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 50342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 50484d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 50584d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 50684d0a19828599e8623223632d59447fd498999cfDouglas Gregor 50784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 50884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 50984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 51084d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 51184d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 51223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 51384d0a19828599e8623223632d59447fd498999cfDouglas Gregor SS, Template, TNK)) { 51484d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 51584d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 51684d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 517193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 51884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 51984d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 52084d0a19828599e8623223632d59447fd498999cfDouglas Gregor 521193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 52284d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 52384d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 524193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 52584d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 52684d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 52784d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 52884d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 52984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 53084d0a19828599e8623223632d59447fd498999cfDouglas Gregor AnnotateTemplateIdTokenAsType(SS); 531193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 53284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 53384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 53484d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 53584d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 536193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 53784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 53884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 53984d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 54084d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 54184d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 54284d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 54384d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 54484d0a19828599e8623223632d59447fd498999cfDouglas Gregor 54542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 54623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeTy *Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), SS, true); 547193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 548124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 54931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 55042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 55142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 55242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 55384d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 5545606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5555606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 5565606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DeclSpec DS; 5575606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 5585606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 5595606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.getTypeSpecScope() = *SS; 5605606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5615606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 5625606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 5635606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 5645606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5655606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 5665606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 56742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 56842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 569e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 570e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 571e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 572d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 573e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 574e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 575e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 576e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 577e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 578e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 579e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 580e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 581e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 582e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 584e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 586e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 587e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 588e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 589e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 590e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 591e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 592e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 596e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 597e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 598e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 599e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 600e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 601e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 602e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 603e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 604e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 605e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 606e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 607e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 608e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 6094c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 6104c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 6114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 612d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 6134c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 6144c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 6154c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 6164c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 6174c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 6184c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 6194c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 6204c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6214c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 622e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 623374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 624374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 62523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 626dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 627374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 628193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 629926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 630926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 631926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 632926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 633926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 634926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 635926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 636926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 637926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 638926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 639926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 640926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 641926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 642926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 643bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 644e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 645e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 646bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 647e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 648f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 649b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 650bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 651193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 652bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 653bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 654bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 655bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 656bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 658b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 659b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 660b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 662b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 663b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 664b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 665b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 666b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 667b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 668b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 669b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 670b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 672b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 673b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 674b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 675b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 676b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 679aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 68008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 68108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 68208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 683193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 684207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true)) 685207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 6869ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 68708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 68808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 68908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 690cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 6912cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6922cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 693cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 694e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 695e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 69639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 697e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 698e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 699e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 700193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7015ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 702193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 7032cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 7042cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 7052cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 7062cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 707193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 7082cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 709314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 7102cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 7112cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 7122cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 7132cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 714193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7152cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 716c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 7172cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 7182cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 7192cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 7202cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 7212cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 722193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 723193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 724c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 725c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 726c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 727c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 728c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 729c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 730193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 731c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 732c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 733c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 734c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 735c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7362cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 737193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7382cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 739193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 740c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 741c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 742c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 7442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 74539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 74639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 74739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 748cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 749c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 75039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 75139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 75239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 75339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 75439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 75539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 75639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 75739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 75839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 76139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 76239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 763926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 764926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 765926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 76639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 767cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 768e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 769e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 770926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 771926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 772926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 773926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 774926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 77567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 77667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 77767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 77839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 779e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 780d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 781d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 782d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 783d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 784d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 785d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 7860f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 787d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 788d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl TUK = Action::TUK_Reference; 789d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl else if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))){ 790d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 791d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 792d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 793d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 794d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 795d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 796d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 797d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 798d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 799d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Friend; 800d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 801d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 802d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Definition; 803d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 804d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 80567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 806e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 8070f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 808e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 809207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 810207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall TUK != Action::TUK_Definition)) { 811207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 812207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 813207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 814207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 815207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 816e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 817e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 81839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 81939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 82039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 821e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 822e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 823e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 824ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 825c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 826c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 8274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 828402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 829f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 8304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 8314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 83339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 83439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 8354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8360f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 8374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 8384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 83923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 84045f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 850bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 85174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 85274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 85374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 85474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 85574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 85674256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall } else if (TUK == Action::TUK_Reference || 85774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall (TUK == Action::TUK_Friend && 85874256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 859c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 8606b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 8616b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 8626b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 8636b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 8646b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 8656b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 866c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 867c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 8684d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 8694d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 8704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 8714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 8724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8734d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 8744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 8754d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 8764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 8784d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8793f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 8804d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 8814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 8820f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 8834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 8854d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 8874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 8884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 889849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 8904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 8924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 8934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 8944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 8951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 8964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 8994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 9004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 9014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 9024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 9044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 90523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 90639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 91039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 912bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 9131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 914cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 915cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 9164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 91739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 9183f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 9190f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 9203f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 9213f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 9223f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9233f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 9243f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9253f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 92623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 92745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 930bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 9313f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 9323f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 9330f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 9343f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 9353f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 9363f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 937c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 938c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 9393f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 94023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, SS, 941bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 9421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 9437cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 9447cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 945c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 946c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 947c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 948c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 949c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 95023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 951193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 9523f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 953e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 954e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 955bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (TUK == Action::TUK_Definition) { 956bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 957bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall (getLang().CPlusPlus && Tok.is(tok::colon))); 95807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 959212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 96007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 961212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 962e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 963e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 964c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 965c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 966c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 967c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 968c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 969c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 970c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 971c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 972ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 97366e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 97466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 976fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 977fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 978c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 979b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // FIXME: The DeclSpec should keep the locations of both the keyword and the 980b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // name (if there is one). 981b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 982193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 983b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor if (DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 984c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 985fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 986193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9874ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 9884ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 9894ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 9904ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 9914ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 9924ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 9934ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 9944ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner if (TUK == Action::TUK_Definition) { 995b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 9964ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 997b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 9984ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 99999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 100099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 100199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 100299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 100399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 100499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 100599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1006c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 100716acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1008b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1009b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1010b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1011b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1012b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1013b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1014b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 101599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 101699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 101799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 101899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 101999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 102099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 102133f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 1022b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1023b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1024b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 1025b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1026b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1027b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1028b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1029b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1030b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1031b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1032b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1033b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1034b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1035b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1036b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1037b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1038b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 10394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1040193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1041193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 10424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1043b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1044b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1045b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1046b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1047193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1048b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 10494ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 10504ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 10514ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 10524ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 10534ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 10544ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 10554ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1056193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 10574ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 10584ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1059e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1060e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1062e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1063e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1064e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1065e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1066e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1067e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1068b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 1069e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1070e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1071e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1072f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1073f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 1074f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1075e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1076e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1077f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 10785ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1079e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1080e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1081f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1082f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1083f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 10845ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1085e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1086e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1087e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1088e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1089e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1091e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1092e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1093e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1094f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1095f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1096beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1097e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1098e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1099e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1100e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1101e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1102e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1103e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1104e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1105e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1106e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1107e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1108e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1109e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1110b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 1111e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1112e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1113e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1114e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1115e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1116e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1118e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1119e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1120e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1121e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 112292f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1123e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1126e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1127e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1128e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1129e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1130e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 11311ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1132849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1133e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1134e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1135e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1137e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1138eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1139eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1140193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, 1141d2b43bf9116dad3d4ff3815590ef10f733d08289Douglas Gregor /*EnteringContext=*/false); 1142e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1143e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1144e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 114542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 114642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 11477f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 114831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 114931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 115042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 11511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 11537f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 11541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1156e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1157a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 115831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 1159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1160e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1162e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1163e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1164e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1165e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1166e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1167e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1169e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1170e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1171e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1172e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1174e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1175e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 11764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1177d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1178d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 1179d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1180d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1181d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1183d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1184d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1185d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1186d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1187d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1188d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1189d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1190d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1191d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 119223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1193d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1194d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1195d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1196d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1197d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1198d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 11998f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1200d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1201d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1202d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1203d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1204d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1205d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1206d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1207d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1208d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1209d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1210d33133cdc1af466f9c276249b2621be03867888bEli Friedman 12114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 12124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 12144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 12154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 12164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 12174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1218511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 12195aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1220bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 12214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 12234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 12244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 12254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 12274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 12284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 12294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 12304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1231e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 12324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 12334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 12354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 12364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 123737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1238c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1239c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 124060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 124160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 124260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 12439ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 124460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 124560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 124660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 124760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 124860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 124960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 125060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 125160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 125260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 125360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 125460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall ParseOptionalCXXScopeSpecifier(SS, /*ObjectType*/ 0, false); 125560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 125660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 125760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 125860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ParseUnqualifiedId(SS, false, true, true, /*ObjectType*/ 0, Name)) { 125960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 126060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 126160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 126260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 126360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 126460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 126560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 126660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 126760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 126860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 126960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 127023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 127160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 127260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 127360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 127460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 127560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 127660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 127760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 127860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 127960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1280511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1281682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 128237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 128397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 128497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1285682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1286682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1288682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 129037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 129197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 12934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1294682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1295682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 12965aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1297bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1298bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1299bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1300bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1301bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1302c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1303bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 13049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 13054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 13064ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1307a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1308193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1309bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1310bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1311a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 1312bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1313bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 13149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 131537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1316193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1317bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1318bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1319bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 13229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 13239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 13249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 13259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 13269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1327ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 13289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 13299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1330595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 13319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 13329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 13339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 13349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 13354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 13364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 13374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1338c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 1339bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 134037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 13414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1342dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1343dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1344dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1345dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 13464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 13474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1348c9068d7dd94d439cec66c421115d15303e481025John McCall DeclPtrTy TheDecl = 1349c9068d7dd94d439cec66c421115d15303e481025John McCall Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 1350c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 135167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 13524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 135307952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 135454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 13554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13563a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1357a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1358a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1359a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 13603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 13613a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 13623a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 136310bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 13643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 13654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 13663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 13673a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1368682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13711b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 13721b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 13731b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 13741b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 13751b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 13761b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 13771b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 13783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 13797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1380d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1381d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 13823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 13833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 13843a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 13853a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1386682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13873a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13883a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 13893a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 13903a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 13913a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 13923a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 13933a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 13943a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 13953a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1396682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13973a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 139937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1400682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14013a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 14024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 14054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 14064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 14074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1408682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 140915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 141015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1411e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 14124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 14144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 14154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 14164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 14174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 14184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 14194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 14200e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 14210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 14224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 14234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 14264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 14274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 14284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 14294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1430e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1431e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1432e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1433e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 14344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 14354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1436e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1437e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1438e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1439e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1440e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1441e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1442e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1443e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 14444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1446e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1447e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1448e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 1449e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1450e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1451e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1452e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1453e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1454e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1455e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1456e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 14574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1458ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1459ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1460bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1461ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1462ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 146407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1465682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 146607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 146767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 146867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 146967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1470bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 147123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1472bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1473bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 147437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 147523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 147667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 147737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 147867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 147967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1480d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 148167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 148237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1483682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1484682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 14854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 148672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 14871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 148872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1489d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 149072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 149172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 149254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 149354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 14944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 14954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 14964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 14974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 14981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 15004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 15034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 150415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 150515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1506e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 15071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1509ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1510ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1511bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1512ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1513ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 15144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15153a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 15163a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 15174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1519ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1520ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1521ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1522ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1523ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1524682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 152723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1528ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 15294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 15304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 15324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 15344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 15354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 15364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1538b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 153931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 15404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 154131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 15424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 154349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 154449f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 154549f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 154726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 154826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 154926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 155026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 155123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 155226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 155326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 155426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 155526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 155626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 155726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 155826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 155926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 156026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 156126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 156226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 156326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 156426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 156526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 156626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 156726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 156826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 156926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 15704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 15723218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 15734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15746569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 157526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 15766569d68745c8213709740337d2be52b031384f58Douglas Gregor 1577ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 157823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 1579bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1580bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1581bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1582bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1583bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1584bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1585db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1586db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 158723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 1588bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1589bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1590bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1591bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1592bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1593bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1594bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1595bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 159642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 159723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, LBraceLoc); 1598f9368159334ff86ea5fa367225c1a580977f3b03John McCall 15994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 16004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 16014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 16024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 16034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 16044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 16054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 16064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 16074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 160807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 160907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 161007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 161107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 161207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 161307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 161407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 161507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 161607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 161707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 161807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 161907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 162007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 162107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 162407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 162507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 162607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 162707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 162807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 162907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 163007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 163107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 163207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 163307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 163407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 163507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 16364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 163707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 16384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 163907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 164007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 164107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 16421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 164407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 164507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 16464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 16491e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 16504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 16510b4c9b5834a0a5520d2cd32227a53cf7f73fedcaDouglas Gregor AttrList.reset(ParseGNUAttributes()); 16524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 165342a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 165423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 165542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 165642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall AttrList.get()); 16574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 16594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 16604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 16614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 16624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 166372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 166472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 166507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 16664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 166772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 166872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 1669e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 16706569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 16716569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 1672e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 16734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 167542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 167623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 1677db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 16784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 16796569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 16808935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 16814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 16827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 16847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 16857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 16867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 16877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 16897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 16907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 16917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 16927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 16937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 16947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 16957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 16967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 16977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 16991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 17007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 17011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 17021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1704b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 17057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 17067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 17109db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1711193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 17127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 17137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 17145ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 17155ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 17169db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor else 17179db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 1718193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 17197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 17207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 17217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 17227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 17237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 17247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1725d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 17267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 17277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 17287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 17307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 17329db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 17339db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 17347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 17357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 17377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 17387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 17397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 17407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 17417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 17427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 17447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 17457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 17467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1747b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1748bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1749bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 17502dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1751961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1752961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1753961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1754961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1755d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1756d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1757961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1758961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1759961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1760961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1761961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1762961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 17631ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 17647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17657ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 17687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1769961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 17707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 17717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 17737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 17741ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 17757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 17787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1780a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 17817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 17827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 17837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 17847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 17887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 178923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 1790961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1791a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1792beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1793beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 17947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 17950fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 17960fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 17970fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 17980fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1799a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1800a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1801a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 18021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1803a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1804a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1805a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 18060fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 18077dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1808ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1809ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1810ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1811ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 18127dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 18130fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 18141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18150fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 18161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18170fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 18180fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 18190fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 18200fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 18210fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1822a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1823a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1824a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 18257dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1826a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1827a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1828a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1829ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1830a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1831a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1832a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 18330fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1834ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 18350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1836ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1837ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 18387dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1839ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1840ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 18410fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 18420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 18437dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 18440fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 18450fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 18460fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1847ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 18480fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 18490fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 18506569d68745c8213709740337d2be52b031384f58Douglas Gregor 18516569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 18526569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 18536569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 185426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool NonNestedClass) { 185526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 18566569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 185726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 18586569d68745c8213709740337d2be52b031384f58Douglas Gregor} 18596569d68745c8213709740337d2be52b031384f58Douglas Gregor 18606569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 18616569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 18626569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 18636569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 18646569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 18656569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 18666569d68745c8213709740337d2be52b031384f58Douglas Gregor} 18676569d68745c8213709740337d2be52b031384f58Douglas Gregor 18686569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 18696569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 18706569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 18716569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 18726569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 18736569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 18746569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 18756569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 18766569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 18776569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 18786569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18806569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 18816569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 18826569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 18836569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 18846569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 18856569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 18866569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 18871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 18886569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 18896569d68745c8213709740337d2be52b031384f58Douglas Gregor 18906569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 18916569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 18926569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 18936569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 18946569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 18956569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 18966569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 18976569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 18986569d68745c8213709740337d2be52b031384f58Douglas Gregor } 18996569d68745c8213709740337d2be52b031384f58Douglas Gregor 19006569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 19016569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 19026569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 190323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 19046569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 190523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 19066569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1907bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1908bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1909bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1910bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1911bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1912bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1913bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1914bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1915bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1916bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1917bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1918bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1919bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1920bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1921bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1922bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1923bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1924bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1925bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1926bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1927bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1928bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1929bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1930bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1931bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1932bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1933bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1934bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1935bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1936bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1937bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1938bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1939bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1940bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1941bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1942bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1943bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1944bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1945bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1946bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1947bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1948bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 1949bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1950bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1951bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1952193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1953bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1954bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1955bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1956bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1957bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1958bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 1959bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 1960bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1961bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1962bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1963bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1964bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1965bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 1966bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 1967193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1968bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 1969bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 1970bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1971bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1972bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 1973bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1974bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 1975bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1976bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1977193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1978bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 1979bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 1980bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1981bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 1982bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 1983bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1984bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1985bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 1986bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 1987bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 1988bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 1989bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 1990bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 1991bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 19927725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 19937725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 1994bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 19957725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 19967725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 19977725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 1998bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 1999bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2000bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2001bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2002bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2003bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2004bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 2005bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 2006bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 2007bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2008bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2009bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2010bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2011bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2012bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2013bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2014bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2015bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2016bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2017bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2018bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2019bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2020bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt OwningExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2021bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2022bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2023bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2024bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2025bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 2026bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 2027bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 2028bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 2029bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2030bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2031bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2032bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2033bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2034bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2035bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2036bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2037bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2038bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2039bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2040bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2041bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2042bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2043bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2044bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2045bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2046bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2047bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2048bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2049bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2050bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2051bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2052bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2053bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 2054bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 2055bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2056bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2057bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2058bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2059bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2060bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2061bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2062bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2063bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2064bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 2065bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntParser::OwningExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2066bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2067bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt EnterExpressionEvaluationContext Unevaluated(Actions, 2068bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Action::Unevaluated); 2069bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2070bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeTy *Ty = ParseTypeName().get(); 2071bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 20725606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, Ty, TypeRange); 2073bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2074bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2075bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2076