ParseDeclCXX.cpp revision 0b4c9b5834a0a5520d2cd32227a53cf7f73fedca
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); 5349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 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 905144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 915144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 922d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 935144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner DeclPtrTy NamespcDecl = 941e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek Actions.ActOnStartNamespaceDef(CurScope, IdentLoc, Ident, LBrace, 951e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.get()); 962d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 975144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PrettyStackTraceActionsDecl CrashInfo(NamespcDecl, NamespaceLoc, Actions, 985144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PP.getSourceManager(), 995144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner "parsing namespace"); 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 102bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 103bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 104bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 105bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 106bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1085144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1095144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1108ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 11197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 11297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1132d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 11497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1155144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1168f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 117c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 118f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 119f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 120f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 12103bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders CarlssonParser::DeclPtrTy Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 12397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 12497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 125f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 127f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 13049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteNamespaceAliasDecl(CurScope); 13149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 13249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 133193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 134f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 135f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 136be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 137f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 138f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 139f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 140f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 141f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 142b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 143f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 144f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 145f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 14603bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 14703bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 149f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 15097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1516869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1526869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnNamespaceAliasDef(CurScope, NamespaceLoc, AliasLoc, Alias, 15503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 156f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 157f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 158c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 159c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 160c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 161c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 162c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 163c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 164c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 1653acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::DeclPtrTy Parser::ParseLinkage(ParsingDeclSpec &DS, 1663acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian unsigned Context) { 167c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 168193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 169c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 170453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 171453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor llvm::StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 172453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 173453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor return DeclPtrTy(); 174c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 175c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 176c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 177074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy LinkageSpec 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnStartLinkageSpecification(CurScope, 180074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 181ddeea5644367c9c153c9fee9e51bdea85ce43cbdBenjamin Kramer Loc, Lang.data(), Lang.size(), 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 183074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 184074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 185bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 186bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 187bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 188bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 189193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 190074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 1913acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian ParseDeclarationOrFunctionDefinition(DS, Attr.AttrList); 1921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 193074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 1941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 195f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 19663a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 19763a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 198bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 199bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 200bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 201bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 202f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 203f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 204bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 205bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 206bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 207bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 208f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 209c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 210f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 211074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, RBrace); 212c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 213e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 214f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 215f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 21697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 217bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 218bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr) { 219f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 220f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 221f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 222f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 223f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 22449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 22549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsing(CurScope); 22649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 22749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 228193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2292f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 230f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 231bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseUsingDirective(Context, UsingLoc, DeclEnd, Attr.AttrList); 232bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 233bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 234bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 235bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 2362f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2372f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 238bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Ignore illegal attributes (the caller should already have issued an error. 23997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 241f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 242f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 243f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 244f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 245f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 246f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 247f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 248f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 249f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 250f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 251f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 252b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 25397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 254bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 255bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *Attr) { 256f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 257f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 258f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 259f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 260f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 26149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 26249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsingDirective(CurScope); 26349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 26449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 265193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 268be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 274823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 276f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 277f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 278f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 279b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 280f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 283823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 284823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 286823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 287bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 288bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 289bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 290bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = addAttributeLists(Attr, ParseGNUAttributes()); 291bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 293823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 29497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2956869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 296bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr ? diag::err_expected_semi_after_attribute_list : 2976869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 298f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor return Actions.ActOnUsingDirective(CurScope, UsingLoc, NamespcLoc, SS, 300bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentLoc, NamespcName, Attr); 301f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 303f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 304f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 305f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 306f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 307f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3089cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3099cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 310f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 311b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 31297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 313595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 314595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 3159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3167ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3189cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 32012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3227ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 330be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 3319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 33912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 34012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 34112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 342193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 34312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 34412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 345193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 346193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*ObjectType=*/0, 34712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 351193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3531e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 3549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3551e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.reset(ParseGNUAttributes()); 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 360193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam AttrList ? "attributes list" : "using declaration", 36112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3629cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 36360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return Actions.ActOnUsingDeclaration(CurScope, AS, true, UsingLoc, SS, Name, 3641e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.get(), IsTypeName, TypenameLoc); 365f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 366f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 367511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 368511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 369511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 370511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 371511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 37297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 373511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 374511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 376511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 377511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 378b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 379511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 382e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 383511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 384511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 385511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 386b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 387511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 390b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 391ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 392511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 393511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 394511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 395b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 396511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 398511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 400b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 401511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 40294b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 405511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 406511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 40894b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 409511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 410511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4116fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4126fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4136fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4146fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4156fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4166fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4176fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4186fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4196fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4246fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4256fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 4326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 4336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4466fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4476fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 450fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 453fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 454fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 45742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 45842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 45942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4607f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 46142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 46242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 46342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 46442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4657f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 46731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 468124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor const CXXScopeSpec *SS) { 4697f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4707f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4727f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 473d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 474d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 47531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4767f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4777f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4787f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4797f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4807f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 48131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 48231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 48331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 48431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4867f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4877f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4887f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4897f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 49042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4911ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 49231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 49342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 49442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 49584d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 49684d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 49784d0a19828599e8623223632d59447fd498999cfDouglas Gregor 49884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 49984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 50084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 50184d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 50284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 50384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, CurScope, 50484d0a19828599e8623223632d59447fd498999cfDouglas Gregor SS, Template, TNK)) { 50584d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 50684d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 50784d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 508193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 50984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 51084d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 51184d0a19828599e8623223632d59447fd498999cfDouglas Gregor 512193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 51384d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 51484d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 515193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 51684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 51784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 51884d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 51984d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 52084d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 52184d0a19828599e8623223632d59447fd498999cfDouglas Gregor AnnotateTemplateIdTokenAsType(SS); 522193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 52384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 52484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 52584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 52684d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 527193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 52884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 52984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 53084d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 53184d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 53284d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 53384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 53484d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 53584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 53642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 53784d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Actions.getTypeName(*Id, IdLoc, CurScope, SS, true); 538193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 539124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 54031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 54142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 54242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 54342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 54484d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 54542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 54642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 54742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 548e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 549e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 550e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 551d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 552e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 553e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 554e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 555e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 556e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 557e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 558e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 559e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 560e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 561e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 563e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 565e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 566e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 567e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 568e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 569e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 570e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 571e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 575e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 576e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 577e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 578e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 579e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 580e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 581e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 582e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 583e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 584e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 585e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 586e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 587e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5884c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5894c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 591d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 5924c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5934c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5944c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5954c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5964c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5974c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5984c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5994c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6004c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 601e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 602374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 603374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 604374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 605374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor ConsumeToken(); 606374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 607193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 608bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 609e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 610e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 611bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 612e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 613f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 614290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 615bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 616193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 617bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 618bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 619bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 620bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 621bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 623b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 624b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 625b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 627b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 628b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 629b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 630b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 631b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 632b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 633b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 634b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 635b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 6361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 637b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 638b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 639b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 640b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 641b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 643eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 644aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 64508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 64608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 64708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 648193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 6499ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 6509ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 65108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 65208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 65308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 654cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 6552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6562cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 657cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 658e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 659e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 66039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 661e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 662e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 663e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 664193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 6652cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (Tok.is(tok::less)) { 666193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 6672cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 6682cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 6692cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 6702cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 671193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 6722cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 673314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 6742cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 6752cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 6762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 6772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 678193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 6792cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 680c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 6812cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 6822cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 6832cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 6842cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 6852cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 686193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 687193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 688c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 689c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 690c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 691c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 692c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 693c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 694193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 695c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 696c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 697c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 698c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 699c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7002cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 701193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7022cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 703193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 704c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 705c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 706c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7072cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 708193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 709193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7102cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 71139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 71239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 71339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 714cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 715c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 71639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 71739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 71839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 71939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 72039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 72139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 72239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 72339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 72439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 72739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 72839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 72939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 730cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 731e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 732e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 73367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 73467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 73567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 73639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 737e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 738d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 739d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 740d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 741d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 742d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 743d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 7440f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 745d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 746d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl TUK = Action::TUK_Reference; 747d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl else if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))){ 748d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 749d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 750d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 751d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 752d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 753d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 754d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 755d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 756d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 757d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Friend; 758d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 759d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 760d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Definition; 761d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 762d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 76367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 764e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 7650f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 766e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 7670f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 768e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 7691ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 7701ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 771e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 772e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 77339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 77439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 77539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 776e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 777e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 778e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 779ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 780c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 781c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 7824d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7830f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall // FIXME: When TUK == TUK_Reference and we have a template-id, we need 7844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 7854d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 786402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 787f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 7884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 7894d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 79139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 79239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 7934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7940f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 7964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 79845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 808bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 809fc9cd61f2372cd8f43f0d92be14fa75778de6be6Douglas Gregor } else if (TUK == Action::TUK_Reference) { 810c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 8116b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 8126b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 8136b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 8146b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 8156b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 8166b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 817c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 818c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 8194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 8204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 8214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 8224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 8234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 8254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 8264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 8274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 8294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8303f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 8314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 8324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 8330f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 8344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 8364d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 8384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 8394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 8404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 8414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 8434d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 8444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 8454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 8474d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 8504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 8514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 8524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 8534d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 8554d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 8560f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 85739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 86139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 863bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 8641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 865cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 866cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 8674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 86839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 8693f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8700f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 8713f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 8723f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 8733f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8743f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 8753f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 87845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 881bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 8823f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 8833f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8840f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 8853f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 8863f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 8873f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 888c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 889c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 8903f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 8911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 892bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 8947cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 8957cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 896c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 897c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 898c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 899c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 900c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 901c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 902193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 9033f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 904e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 905e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 906bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (TUK == Action::TUK_Definition) { 907bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 908bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall (getLang().CPlusPlus && Tok.is(tok::colon))); 90907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 910212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 91107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 912212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 913e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 914e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 915c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 916c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 917c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 918c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 919c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 920c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 921c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 922c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 923ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 92466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 92566e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 927fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 928fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 929c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 930b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // FIXME: The DeclSpec should keep the locations of both the keyword and the 931b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // name (if there is one). 932b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 933193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 934b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor if (DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 935c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 936fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 937193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9384ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 9394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 9404ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 9414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 9424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 9434ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 9444ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 9454ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner if (TUK == Action::TUK_Definition) { 946b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 9474ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 948b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 9494ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 95099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 95199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 95299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 95399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 95499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 95599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 95699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 957c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 95816acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 959b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 960b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 961b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 962b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 963b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 964b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 965b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 96699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 96799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 96899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 96999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 97099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 97199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 972b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 973b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 974b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 975b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 976b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 977b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 978b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 979b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 980b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 981b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 982b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 983b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 984b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 985b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 986b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 987b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 988b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 9894ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 990193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 991193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 9924ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 993b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 994b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 995b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 996b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 997193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 998b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 9994ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 10004ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 10014ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 10024ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 10034ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 10044ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 10054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1006193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 10074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 10084ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1009e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1010e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1012e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1013e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1014e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1015e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1016e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1017e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1018b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 1019e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1020e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1021e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1022f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1023f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 1024f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1025e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1026e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1027f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 10285ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1029e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1030e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1031f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1032f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1033f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 10345ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1035e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1036e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1037e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1038e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1039e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1041e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1042e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1043e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1044f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1045f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1046beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1047e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1048e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1049e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1050e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1051e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1052e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1053e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1054e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1055e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1056e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1057e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1058e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1059e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1060b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 1061e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1062e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1063e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1064e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1065e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1066e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1067e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1068e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1069e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1070e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1071e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 107292f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1073e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1075e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1076e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1077e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1078e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1079e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1080e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 10811ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 108229d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(VirtualLoc); 1083e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1084e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1085e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1086e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1087e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1088eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1089eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1090193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, 1091d2b43bf9116dad3d4ff3815590ef10f733d08289Douglas Gregor /*EnteringContext=*/false); 1092e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1093e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1094e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 109542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 109642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 10977f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 109831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 109931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 110042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 11011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 11037f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1105e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1106e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1107a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 110831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 1109e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1110e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1111e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1112e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1113e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1114e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1115e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1116e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1119e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1120e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1121e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1122e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1123e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1124e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 11264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1127d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1128d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 1129d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1130d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1131d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1133d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1134d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1135d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1136d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1137d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1138d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1139d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1140d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1141d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 1142d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 1143d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1144d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1145d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1146d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1147d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1148d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 11498f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1150d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1151d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1152d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1153d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1154d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1155d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1156d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1157d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1158d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1159d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1160d33133cdc1af466f9c276249b2621be03867888bEli Friedman 11614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 11624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 11644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 11654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 11664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 11674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1168511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 11695aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1170bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 11714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 11734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 11744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 11754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 11774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 11784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 11794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 11804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1181e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 11824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 11834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 11854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 11864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 118737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 118837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 118960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 119060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 119160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 11929ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 119360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 119460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 119560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 119660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 119760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 119860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 119960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 120060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 120160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 120260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 120360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall ParseOptionalCXXScopeSpecifier(SS, /*ObjectType*/ 0, false); 120460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 120560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 120660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 120760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ParseUnqualifiedId(SS, false, true, true, /*ObjectType*/ 0, Name)) { 120860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 120960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 121060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 121160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 121260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 121360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 121460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 121560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 121660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 121760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 121860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 121960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Actions.ActOnUsingDeclaration(CurScope, AS, 122060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 122160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 122260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 122360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 122460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 122560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 122660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 122760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 122860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1229511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1230682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 123137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 123297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 123397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1234682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1235682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1237682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 123937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 124097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 12424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1243682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1244682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 12455aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1246bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1247bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1248bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1249bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1250bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 125137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 1252bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 12539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12544ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 12554ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1256a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1257193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1258bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1259bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1260a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 1261bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1262bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 12639cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 126437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1265193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1266bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1267bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1268bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 12719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 12729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12739cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 12749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 12759cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1276ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 12779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 12789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1279595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 12809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 12819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 12829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 12839cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 12854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 12864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 128754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclSpec DS(*this); 1288bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 128937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 12904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1291dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1292dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1293dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1294dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 12954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1297d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 129867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 12994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 130007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 130154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 13024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13033a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1304a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1305a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1306a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 13073a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 13083a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 13093a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 131010bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 13113a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 13124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 13133a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 13143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1315682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13181b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 13191b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 13201b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 13211b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 13221b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 13231b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 13241b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 13253a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 13267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1327d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1328d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 13293a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 13303a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 13313a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 13323a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1333682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13343a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13353a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 13363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 13373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 13383a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 13393a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 13403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 13413a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 13423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1343682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13443a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 134637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1347682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13483a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 13494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 13524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 13534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 13544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1355682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 135615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 135715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1358e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 13594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 13614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 13624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 13634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 13644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 13654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 13674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13680e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 13690e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 13704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 13714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 13744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 13754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 13764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 13774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1378e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1379e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1380e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1381e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 13824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1385e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1386e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1387e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1388e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1389e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1390e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1391e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1392e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 13934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1396ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1397ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1398bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1399ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1400ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 140207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1403682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 140407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 140567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 140667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 140767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1408bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1409bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1410bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1411bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 141237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 141367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 141467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 141537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 141667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 141767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1418d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 141967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 142037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1421682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1422682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 14234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 142472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 142672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1427d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 142872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 142972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 143054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 143154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 14324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 14334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 14344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 14354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 14384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 14391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 14414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 144215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 144315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1444e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1447ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1448ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1449bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1450ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1451ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14533a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 14543a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 14554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1457ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1458ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1459ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1460ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1461ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1462682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1465ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1466ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 14674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 14684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 14704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 14724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 14734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 14744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1476b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 147731fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 14784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 147931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 14804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 148149f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 148249f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 148349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 148626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 148726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 148826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 148926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor for (const Scope *S = CurScope; S; S = S->getParent()) { 149026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 149126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 149226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 149326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 149426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 149526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 149626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 149726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 149826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 149926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 150026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 150126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 150226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 150326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 150426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 150526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 150626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 150726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 15084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 15103218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 15114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15126569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 151326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 15146569d68745c8213709740337d2be52b031384f58Douglas Gregor 1515ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1516ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1517bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1518bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1519bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1520bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1521bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1522bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1523db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1524db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 1525db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall Actions.ActOnTagDefinitionError(CurScope, TagDecl); 1526bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1527bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1528bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1529bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1530bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1531bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1532bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1533bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1534bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!TagDecl) { 1535ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1536ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1537ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 15384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1539f9368159334ff86ea5fa367225c1a580977f3b03John McCall Actions.ActOnStartCXXMemberDeclarations(CurScope, TagDecl, LBraceLoc); 1540f9368159334ff86ea5fa367225c1a580977f3b03John McCall 15414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 15424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 15434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 15444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 15454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 15464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 15474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 15484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 15494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 15514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 15524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 15554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 1556c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 155729d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(Tok.getLocation()); 15584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 15604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 15634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 15644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 15654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 15664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 15684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 15694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 157137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 15744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 15754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 15801e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 15814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 15820b4c9b5834a0a5520d2cd32227a53cf7f73fedcaDouglas Gregor AttrList.reset(ParseGNUAttributes()); 15834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 15850b4c9b5834a0a5520d2cd32227a53cf7f73fedcaDouglas Gregor LBraceLoc, RBraceLoc, 15860b4c9b5834a0a5520d2cd32227a53cf7f73fedcaDouglas Gregor AttrList.get()); 15874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 15894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 15904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 15914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 15924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 159372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 159472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 159526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (NonNestedClass) { 15964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 159772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 159872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 15996569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 16006569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 16014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1603db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 1604db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 16054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 16066569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 16078935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 16084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 16097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 16117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 16127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 16137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 16147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 16167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 16177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 16187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 16197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 16207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 16217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 16227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 16237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 16247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 16277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 16291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 16301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1631b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 16327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 16337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 16379db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1638193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 16397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 16407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 16415ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 16425ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 16439db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor else 16449db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 1645193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 16467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 16477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 16487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 16497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 16507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 16517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1652d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 16537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 16547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 16557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 16567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 16577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 16599db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 16609db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 16617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 16627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 16647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 16657ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 16667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 16677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 16687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 16697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 16701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 16717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 16727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 16737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1674b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1675bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1676bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 16772dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1678961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1679961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1680961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1681961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1682d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1683d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1684961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1685961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1686961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1687961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1688961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1689961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 16901ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 16917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 16927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 16957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1696961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 16977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 16987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 17007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 17011ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 17027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 17057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1707a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 17087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 17097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 17107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 17117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 17157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1716961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1717961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1718a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1719beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1720beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 17217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 17220fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 17230fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 17240fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 17250fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1726a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1727a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1728a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 17291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1730a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1731a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1732a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 17330fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 17347dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1735ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1736ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1737ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1738ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 17397dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 17400fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 17411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17440fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 17450fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 17460fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 17470fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 17480fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1749a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1750a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1751a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 17527dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1753a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1754a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1755a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1756ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1757a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1758a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1759a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 17600fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1761ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 17620fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1763ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1764ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 17657dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1766ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1767ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 17680fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 17690fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 17707dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 17710fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 17720fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 17730fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1774ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 17750fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 17760fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 17776569d68745c8213709740337d2be52b031384f58Douglas Gregor 17786569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 17796569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 17806569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 178126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool NonNestedClass) { 178226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 17836569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 178426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 17856569d68745c8213709740337d2be52b031384f58Douglas Gregor} 17866569d68745c8213709740337d2be52b031384f58Douglas Gregor 17876569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 17886569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 17896569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 17906569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 17916569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 17926569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 17936569d68745c8213709740337d2be52b031384f58Douglas Gregor} 17946569d68745c8213709740337d2be52b031384f58Douglas Gregor 17956569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 17966569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 17976569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 17986569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 17996569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 18006569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 18016569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 18026569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 18036569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 18046569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 18056569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 18061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18076569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 18086569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 18096569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 18106569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 18116569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 18126569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 18136569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 18141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 18156569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 18166569d68745c8213709740337d2be52b031384f58Douglas Gregor 18176569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 18186569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 18196569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 18206569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 18216569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 18226569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 18236569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 18246569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 18256569d68745c8213709740337d2be52b031384f58Douglas Gregor } 18266569d68745c8213709740337d2be52b031384f58Douglas Gregor 18276569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 18286569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 18296569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 18306569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 18316569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 18326569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 18336569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1834bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1835bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1836bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1837bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1838bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1839bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1840bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1841bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1842bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1843bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1844bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1845bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1846bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1847bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1848bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1849bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1850bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1851bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1852bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1853bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1854bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1855bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1856bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1857bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1858bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1859bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1860bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1861bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1862bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1863bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1864bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1865bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1866bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1867bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1868bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1869bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1870bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1871bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1872bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1873bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1874bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1875bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 1876bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1877bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1878bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1879193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1880bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1881bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1882bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1883bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1884bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1885bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 1886bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 1887bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1888bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1889bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1890bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1891bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1892bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 1893bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 1894193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1895bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 1896bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 1897bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1898bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1899bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 1900bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1901bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 1902bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1903bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1904193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1905bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 1906bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 1907bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1908bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 1909bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 1910bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1911bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1912bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 1913bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 1914bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 1915bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 1916bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 1917bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 1918bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 19197725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 19207725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 1921bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 19227725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 19237725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 19247725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 1925bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 1926bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 1927bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1928bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1929bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1930bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1931bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 1932bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 1933bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 1934bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1935bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1936bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1937bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1938bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 1939bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 1940bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 1941bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 1942bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1943bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1944bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1945bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 1946bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1947bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt OwningExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 1948bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1949bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 1950bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1951bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 1952bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 1953bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 1954bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 1955bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 1956bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1957bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1958bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1959bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1960bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1961bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 1962bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 1963bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1964bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1965bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1966bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 1967bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 1968bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 1969bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 1970bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 1971bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1972bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1973bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1974bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1975bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1976bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 1977bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1978bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1979bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1980bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 1981bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 1982bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1983bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1984bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 1985bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 1986bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1987bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 1988bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 1989bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1990bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 1991bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 1992bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntParser::OwningExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 1993bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 1994bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt EnterExpressionEvaluationContext Unevaluated(Actions, 1995bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Action::Unevaluated); 1996bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 1997bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeTy *Ty = ParseTypeName().get(); 1998bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 1999bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, Ty, 2000bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeRange); 2001bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2002bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2003bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2004