ParseDeclCXX.cpp revision e6563256a4b3b9fee70ce3335d28406607c1faaf
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)) { 5249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteNamespaceDecl(CurScope); 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 9095f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor if (CurScope->isClassScope() || CurScope->isTemplateParamScope() || 9195f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor CurScope->isInObjcMethodScope() || CurScope->getBlockParent() || 9295f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor CurScope->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 = 1021e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek Actions.ActOnStartNamespaceDef(CurScope, 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)) { 13849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteNamespaceAliasDecl(CurScope); 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 1621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnNamespaceAliasDef(CurScope, 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 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnStartLinkageSpecification(CurScope, 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)) { 1993acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian ParseDeclarationOrFunctionDefinition(DS, Attr.AttrList); 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 201074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 203f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 20463a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 20563a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 206bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 207bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 208bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 209bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 210f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 211f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 212bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 213bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 214bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 215bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 216f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 217c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 218f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 219074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, RBrace); 220c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 221e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 222f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 223f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 22497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 225bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 226bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr) { 227f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 228f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 229f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 230f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 231f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 23249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 23349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsing(CurScope); 234dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 23549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 236193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2372f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 238f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 239bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseUsingDirective(Context, UsingLoc, DeclEnd, Attr.AttrList); 240bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 241bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 242bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 243bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 2442f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2452f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 246bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Ignore illegal attributes (the caller should already have issued an error. 24797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 248f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 249f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 250f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 251f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 252f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 253f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 254f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 255f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 256f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 257f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 258f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 259f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 260b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 26197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 262bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 263bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *Attr) { 264f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 265f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 26949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 27049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsingDirective(CurScope); 271dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 27249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 273193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 274f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 276be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 277f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 278f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 279f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 280f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 281f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 282823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 283f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 284f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 285f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 286f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 287b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 288f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 2891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 290823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 291823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 292823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 294823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 295bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 296bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 297bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 298bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = addAttributeLists(Attr, ParseGNUAttributes()); 299bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 301823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 30297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 3036869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 304bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr ? diag::err_expected_semi_after_attribute_list : 3056869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 306f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 307f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor return Actions.ActOnUsingDirective(CurScope, UsingLoc, NamespcLoc, SS, 308bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentLoc, NamespcName, Attr); 309f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 310f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 311f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 312f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 313f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 314f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 315f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3169cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 318f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 319b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 32097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 321595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 322595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 3239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3247ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 32812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3307ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 338be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 3399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 34712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 34812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 34912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 350193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 35112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 35212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 353193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 354193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*ObjectType=*/0, 35512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 359193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3609cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3611e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 3629cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3631e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.reset(ParseGNUAttributes()); 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3659cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3669cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 368193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam AttrList ? "attributes list" : "using declaration", 36912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 37160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return Actions.ActOnUsingDeclaration(CurScope, AS, true, UsingLoc, SS, Name, 3721e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.get(), IsTypeName, TypenameLoc); 373f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 374f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 375511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 376511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 377511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 378511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 379511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 38097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 381511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 382511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 384511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 385511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 386b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 387511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 390e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 391511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 392511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 393511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 394b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 395511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 397ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 398b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 399ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 400511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 401511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 402511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 403b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 404511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 406511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 408b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 409511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 41094b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 413511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 414511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 41694b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 417511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 418511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4196fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4206fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4246fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4256fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4266fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 4406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 4416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4476fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4506fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4546fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 458fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4596fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 461fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 462fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4636fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4646fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 46542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 46642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 46742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4687f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 46942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 47042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 47142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 47242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4737f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 47531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 4769ab14541716928894821cf5d53d6b4c95ffdf3a3Jeffrey Yasskin CXXScopeSpec *SS) { 4777f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4787f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4807f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 481d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 482d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 48331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4847f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4867f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4877f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4887f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 48931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 49031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 49131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 49231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4937f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4947f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4957f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4967f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4977f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 49842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4991ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 50031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 50142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 50242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 50384d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 50484d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 50584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 50684d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 50784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 50884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 50984d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 51084d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 51184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, CurScope, 51284d0a19828599e8623223632d59447fd498999cfDouglas Gregor SS, Template, TNK)) { 51384d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 51484d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 51584d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 516193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 51784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 51884d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 51984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 520193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 52184d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 52284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 523193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 52484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 52584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 52684d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 52784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 52884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 52984d0a19828599e8623223632d59447fd498999cfDouglas Gregor AnnotateTemplateIdTokenAsType(SS); 530193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 53184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 53284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 53384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 53484d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 535193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 53684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 53784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 53884d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 53984d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 54084d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 54184d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 54284d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 54384d0a19828599e8623223632d59447fd498999cfDouglas Gregor 54442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 54584d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Actions.getTypeName(*Id, IdLoc, CurScope, SS, true); 546193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 547124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 54831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 54942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 55042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 55142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 55284d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 55342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 55442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 55542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 556e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 557e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 558e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 559d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 560e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 561e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 562e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 563e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 564e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 565e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 566e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 567e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 568e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 569e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 571e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 573e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 574e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 575e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 576e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 577e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 578e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 579e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 583e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 584e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 585e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 586e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 587e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 588e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 589e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 590e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 591e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 592e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 593e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 594e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 595e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5964c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5974c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 599d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 6004c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 6014c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 6024c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 6034c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 6044c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 6054c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 6064c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 6074c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6084c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 609e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 610374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 611374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 612374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 613dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 614374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 615193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 616bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 617e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 618e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 619bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 620e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 621f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 622290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 623bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 624193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 625bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 626bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 627bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 628bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 629bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 631b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 632b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 633b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 635b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 636b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 637b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 638b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 639b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 640b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 641b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 642b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 643b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 645b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 646b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 647b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 648b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 649b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 651eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 652aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 65308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 65408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 65508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 656193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 6579ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 6589ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 65908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 66008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 66108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 662cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 6632cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6642cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 665cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 666e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 667e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 66839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 669e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 670e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 671e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 672193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 6735ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 674193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 6752cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 6762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 6772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 6782cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 679193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 6802cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 681314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 6822cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 6832cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 6842cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 6852cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 686193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 6872cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 688c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 6892cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 6902cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 6912cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 6922cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 6932cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 694193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 695193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 696c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 697c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 698c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 699c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 700c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 701c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 702193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 703c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 704c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 705c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 706c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 707c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7082cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 709193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7102cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 711193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 712c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 713c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 714c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7152cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 7162cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 71739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 71839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 71939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 720cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 721c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 72239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 72339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 72439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 72539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 72639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 72739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 72839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 72939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 73039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 73339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 73439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 73539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 736cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 737e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 738e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 73967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 74067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 74167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 74239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 743e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 744d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 745d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 746d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 747d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 748d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 749d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 7500f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 751d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 752d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl TUK = Action::TUK_Reference; 753d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl else if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))){ 754d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 755d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 756d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 757d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 758d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 759d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 760d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 761d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 762d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 763d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Friend; 764d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 765d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 766d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Definition; 767d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 768d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 76967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 770e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 7710f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 772e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 7730f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 774e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 7751ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 7761ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 777e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 778e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 77939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 78039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 78139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 782e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 783e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 784e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 785ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 786c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 787c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 7884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 789402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 790f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 7914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 7924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 79439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 79539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 7964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7970f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 7994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 8001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 80145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 811bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 81274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 81374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 81474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 81574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 81674256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 81774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall } else if (TUK == Action::TUK_Reference || 81874256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall (TUK == Action::TUK_Friend && 81974256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 820c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 8216b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 8226b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 8236b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 8246b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 8256b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 8266b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 827c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 828c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 8294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 8304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 8314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 8324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 8334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 8354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 8364d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 8374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 8394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8403f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 8414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 8424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 8430f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 8444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 8464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 8484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 8494d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 850849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 8514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 8534d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 8544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 8554d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 8561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 8574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 8604d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 8614d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 8624d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 8634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8644d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 8654d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 8660f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 86739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 87139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 8721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 873bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 875cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 876cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 8774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 87839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 8793f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8800f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 8813f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 8823f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 8833f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8843f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 8853f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8863f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 88845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 891bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 8923f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 8933f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8940f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 8953f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 8963f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 8973f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 898c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 899c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 9003f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 902bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 9047cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 9057cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 906c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 907c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 908c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 909c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 910c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 911c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 912193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 9133f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 914e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 915e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 916bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (TUK == Action::TUK_Definition) { 917bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 918bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall (getLang().CPlusPlus && Tok.is(tok::colon))); 91907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 920212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 92107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 922212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 923e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 924e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 925c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 926c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 927c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 928c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 929c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 930c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 931c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 932c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 933ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 93466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 93566e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 937fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 938fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 939c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 940b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // FIXME: The DeclSpec should keep the locations of both the keyword and the 941b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // name (if there is one). 942b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 943193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 944b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor if (DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 945c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 946fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 947193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9484ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 9494ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 9504ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 9514ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 9524ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 9534ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 9544ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 9554ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner if (TUK == Action::TUK_Definition) { 956b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 9574ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 958b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 9594ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 96099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 96199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 96299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 96399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 96499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 96599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 96699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 967c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 96816acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 969b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 970b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 971b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 972b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 973b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 974b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 975b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 97699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 97799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 97899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 97999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 98099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 98199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 98233f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 983b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 984b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 985b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 986b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 987b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 988b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 989b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 990b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 991b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 992b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 993b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 994b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 995b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 996b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 997b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 998b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 999b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 10004ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1001193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1002193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 10034ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1004b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1005b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1006b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1007b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1008193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1009b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 10104ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 10114ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 10124ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 10134ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 10144ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 10154ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 10164ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1017193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 10184ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 10194ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1020e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1021e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 10221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1023e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1024e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1025e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1026e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1027e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1028e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1029b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 1030e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1031e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1032e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1033f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1034f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 1035f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1036e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1037e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1038f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 10395ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1040e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1041e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1042f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1043f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1044f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 10455ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1046e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1047e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1048e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1049e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1050e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1052e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1053e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1054e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1055f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1056f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1057beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1058e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1059e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1060e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1061e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1062e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1063e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1064e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1065e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1066e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1067e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1068e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1069e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1070e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1071b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 1072e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1073e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1074e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1075e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1076e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1077e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1078e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1079e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1080e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1081e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1082e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 108392f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1084e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1086e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1087e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1088e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1089e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1090e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1091e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 10921ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1093849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1094e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1095e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1096e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1097e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1098e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1099eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1100eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1101193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, 1102d2b43bf9116dad3d4ff3815590ef10f733d08289Douglas Gregor /*EnteringContext=*/false); 1103e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1104e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1105e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 110642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 110742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 11087f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 110931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 111031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 111142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 11147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1116e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1118a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 111931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 1120e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1121e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1122e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1123e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1124e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1126e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1127e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1128e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1130e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1131e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1132e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1133e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1134e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1135e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 11374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1138d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1139d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 1140d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1141d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1142d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1144d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1145d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1146d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1147d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1148d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1149d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1150d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1151d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1152d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 1153d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 1154d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1155d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1156d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1157d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1158d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1159d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 11608f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1161d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1162d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1163d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1164d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1165d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1166d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1167d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1168d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1169d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1170d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1171d33133cdc1af466f9c276249b2621be03867888bEli Friedman 11724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 11734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 11754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 11764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 11774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 11784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1179511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 11805aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1181bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 11824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 11844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 11854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 11864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 11884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 11894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 11904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 11914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1192e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 11934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 11944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 11964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 11974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 119837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 119937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 120060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 120160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 120260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 12039ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 120460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 120560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 120660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 120760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 120860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 120960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 121060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 121160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 121260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 121360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 121460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall ParseOptionalCXXScopeSpecifier(SS, /*ObjectType*/ 0, false); 121560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 121660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 121760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 121860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ParseUnqualifiedId(SS, false, true, true, /*ObjectType*/ 0, Name)) { 121960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 122060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 122160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 122260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 122360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 122460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 122560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 122660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 122760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 122860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 122960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 123060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Actions.ActOnUsingDeclaration(CurScope, AS, 123160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 123260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 123360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 123460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 123560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 123660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 123760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 123860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 123960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1240511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1241682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 124237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 124397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 124497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1245682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1246682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1248682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 12491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 125037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 125197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 12521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 12534d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1254682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1255682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 12565aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1257bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1258bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1259bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1260bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1261bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 126237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 1263bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 12649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12654ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 12664ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1267a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1268193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1269bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1270bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1271a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 1272bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1273bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 12749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 127537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1276193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1277bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1278bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1279bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 12801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 12829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 12839cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 12859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 12869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1287ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 12889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 12899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1290595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 12919cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 12929cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 12939cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 12949cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 12964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 12974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 129854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclSpec DS(*this); 1299bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 130037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 13014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1302dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1303dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1304dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1305dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 13064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 13074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1308aec0371e62be013a2e6466688ccf6a7460880262John McCall Actions.ParsedFreeStandingDeclSpec(CurScope, AS, DS); 130967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 13104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 131107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 131254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 13134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1315a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1316a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1317a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 13183a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 13193a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 13203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 132110bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 13223a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 13234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 13243a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 13253a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1326682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13291b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 13301b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 13311b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 13321b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 13331b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 13341b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 13351b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 13363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 13377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1338d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1339d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 13403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 13413a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 13423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 13433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1344682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13453a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13463a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 13473a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 13483a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 13493a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 13503a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 13513a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 13523a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 13533a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1354682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13553a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 135737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1358682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 13634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 13644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 13654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1366682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 136715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 136815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1369e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 13704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 13724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 13734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 13744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 13754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 13764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 13774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13780e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 13790e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 13804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 13814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 13854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 13864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 13874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1388e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1389e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1390e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1391e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 13924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 13934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1394e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1395e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1396e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1397e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1398e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1399e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1400e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1401e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 14024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1404e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1405e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1406e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 1407e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1408e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1409e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1410e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1411e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1412e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1413e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1414e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 14154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1416ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1417ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1418bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1419ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1420ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 142207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1423682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 142407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 142567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 142667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 142767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1428bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1429bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1430bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1431bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 143237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 143367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 143467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 143537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 143667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 143767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1438d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 143967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 144037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1441682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1442682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 14434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 144472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 144672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1447d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 144872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 144972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 145054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 145154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 14524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 14534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 14544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 14554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 14584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 14614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 146215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 146315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1464e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1467ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1468ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1469bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1470ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1471ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 14743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 14754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1477ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1478ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1479ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1480ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1481ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1482682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1485ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1486ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 14874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 14884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 14904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 14924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 14934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 14944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1496b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 149731fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 14984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 149931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 15004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 150149f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 150249f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 150349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 150626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 150726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 150826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 150926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor for (const Scope *S = CurScope; S; S = S->getParent()) { 151026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 151126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 151226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 151326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 151426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 151526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 151626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 151726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 151826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 151926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 152026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 152126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 152226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 152326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 152426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 152526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 152626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 152726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 15284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 15303218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 15314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15326569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 153326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 15346569d68745c8213709740337d2be52b031384f58Douglas Gregor 1535ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1536ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1537bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1538bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1539bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1540bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1541bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1542bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1543db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1544db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 1545db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall Actions.ActOnTagDefinitionError(CurScope, TagDecl); 1546bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1547bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1548bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1549bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1550bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1551bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1552bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1553bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 155442a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 155542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall Actions.ActOnStartCXXMemberDeclarations(CurScope, TagDecl, LBraceLoc); 1556f9368159334ff86ea5fa367225c1a580977f3b03John McCall 15574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 15584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 15594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 15604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 15614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 15624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 15634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 15644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 15654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 15674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 15684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 15691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 15714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 1572c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 1573849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 15744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 15764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 15794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 15804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 15814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 15826206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara SourceLocation ASLoc = Tok.getLocation(); 15836206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara ConsumeToken(); 15846206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara if (Tok.is(tok::colon)) 15856206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 15866206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara else 15876206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Diag(Tok, diag::err_expected_colon); 15884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 15904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 159237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 15931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 15954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 15964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 15991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 16011e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 16024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 16030b4c9b5834a0a5520d2cd32227a53cf7f73fedcaDouglas Gregor AttrList.reset(ParseGNUAttributes()); 16044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 160542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 160642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 160742a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 160842a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall AttrList.get()); 16094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 16114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 16124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 16134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 16144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 161572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 161672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 161726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (NonNestedClass) { 16184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 161972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 162072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 16216569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 16226569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 16234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 162542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 162642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 1627db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 16284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 16296569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 16308935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 16314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 16327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 16347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 16357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 16367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 16377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 16397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 16407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 16417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 16427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 16437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 16447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 16457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 16467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 16477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 16491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 16507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 16521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1654b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 16557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 16567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 16609db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1661193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 16627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 16637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 16645ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 16655ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 16669db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor else 16679db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 1668193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 16697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 16707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 16717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 16727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 16737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 16747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1675d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 16767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 16777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 16787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 16797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 16807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 16829db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 16839db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 16847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 16857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 16877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 16887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 16897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 16907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 16927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 16947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 16957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 16967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1697b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1698bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1699bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 17002dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1701961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1702961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1703961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1704961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1705d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1706d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1707961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1708961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1709961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1710961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1711961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1712961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 17131ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 17147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 17187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1719961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 17207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 17217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 17237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 17241ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 17257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 17287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1730a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 17317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 17327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 17337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 17347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 17387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1739961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1740961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1741a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1742beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1743beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 17447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 17450fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 17460fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 17470fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 17480fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1749a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1750a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1751a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 17521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1753a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1754a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1755a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 17560fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 17577dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1758ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1759ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1760ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1761ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 17627dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 17630fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 17641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17650fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 17661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17670fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 17680fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 17690fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 17700fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 17710fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1772a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1773a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1774a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 17757dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1776a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1777a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1778a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1779ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1780a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1781a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1782a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 17830fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1784ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 17850fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1786ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1787ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 17887dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1789ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1790ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 17910fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 17920fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 17937dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 17940fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 17950fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 17960fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1797ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 17980fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 17990fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 18006569d68745c8213709740337d2be52b031384f58Douglas Gregor 18016569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 18026569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 18036569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 180426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool NonNestedClass) { 180526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 18066569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 180726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 18086569d68745c8213709740337d2be52b031384f58Douglas Gregor} 18096569d68745c8213709740337d2be52b031384f58Douglas Gregor 18106569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 18116569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 18126569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 18136569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 18146569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 18156569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 18166569d68745c8213709740337d2be52b031384f58Douglas Gregor} 18176569d68745c8213709740337d2be52b031384f58Douglas Gregor 18186569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 18196569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 18206569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 18216569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 18226569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 18236569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 18246569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 18256569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 18266569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 18276569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 18286569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 18291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18306569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 18316569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 18326569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 18336569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 18346569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 18356569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 18366569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 18371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 18386569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 18396569d68745c8213709740337d2be52b031384f58Douglas Gregor 18406569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 18416569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 18426569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 18436569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 18446569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 18456569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 18466569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 18476569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 18486569d68745c8213709740337d2be52b031384f58Douglas Gregor } 18496569d68745c8213709740337d2be52b031384f58Douglas Gregor 18506569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 18516569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 18526569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 18536569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 18546569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 18556569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 18566569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1857bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1858bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1859bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1860bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1861bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1862bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1863bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1864bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1865bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1866bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1867bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1868bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1869bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1870bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1871bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1872bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1873bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1874bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1875bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1876bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1877bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1878bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1879bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1880bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1881bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1882bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1883bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1884bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1885bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1886bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1887bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1888bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1889bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1890bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1891bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1892bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1893bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1894bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1895bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1896bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1897bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1898bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 1899bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1900bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1901bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1902193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1903bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1904bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1905bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1906bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1907bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1908bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 1909bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 1910bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1911bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1912bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1913bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1914bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1915bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 1916bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 1917193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1918bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 1919bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 1920bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1921bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1922bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 1923bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1924bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 1925bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1926bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1927193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1928bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 1929bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 1930bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1931bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 1932bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 1933bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1934bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1935bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 1936bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 1937bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 1938bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 1939bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 1940bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 1941bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 19427725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 19437725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 1944bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 19457725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 19467725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 19477725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 1948bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 1949bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 1950bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1951bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1952bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1953bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1954bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 1955bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 1956bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 1957bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1958bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1959bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1960bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1961bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 1962bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 1963bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 1964bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 1965bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1966bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1967bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1968bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 1969bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1970bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt OwningExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 1971bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1972bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 1973bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1974bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 1975bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 1976bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 1977bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 1978bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 1979bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1980bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1981bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1982bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1983bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1984bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 1985bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 1986bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1987bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1988bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1989bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 1990bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 1991bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 1992bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 1993bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 1994bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1995bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1996bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1997bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1998bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1999bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2000bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2001bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2002bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2003bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 2004bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 2005bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2006bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2007bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2008bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2009bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2010bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2011bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2012bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2013bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2014bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 2015bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntParser::OwningExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2016bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2017bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt EnterExpressionEvaluationContext Unevaluated(Actions, 2018bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Action::Unevaluated); 2019bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2020bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeTy *Ty = ParseTypeName().get(); 2021bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2022bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, Ty, 2023bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeRange); 2024bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2025bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2026bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2027