ParseDeclCXX.cpp revision b988f9cde9bce0848d081b5cd1f6a48b86ec8108
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 } 5549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 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. 67b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Action::AttrTy *AttrList = 0; 686a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 696a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 706a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 718f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 72bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = 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 = 945144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner Actions.ActOnStartNamespaceDef(CurScope, IdentLoc, Ident, LBrace); 952d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 965144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PrettyStackTraceActionsDecl CrashInfo(NamespcDecl, NamespaceLoc, Actions, 975144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PP.getSourceManager(), 985144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner "parsing namespace"); 991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 101bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 102bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 103bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 104bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 105bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1075144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1085144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1098ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 11097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 11197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1122d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 11397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1145144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1158f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 116c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 117f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 118f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 119f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 12003bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders CarlssonParser::DeclPtrTy Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 12297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 12397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 124f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 126f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 12949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteNamespaceAliasDecl(CurScope); 13049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 13149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 13249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 133f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 134f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 135be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 136f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 137f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 138f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 139f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 140f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 141b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 142f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 143f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 144f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 14503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 14603bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 14997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1506869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1516869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnNamespaceAliasDef(CurScope, NamespaceLoc, AliasLoc, Alias, 15403bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 155f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 156f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 157c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 158c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 159c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 160c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 161c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 162c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 163c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 1643acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::DeclPtrTy Parser::ParseLinkage(ParsingDeclSpec &DS, 1653acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian unsigned Context) { 166c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 167c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner llvm::SmallVector<char, 8> LangBuffer; 168c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 169c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner LangBuffer.resize(Tok.getLength()); 170c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner const char *LangBufPtr = &LangBuffer[0]; 171c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner unsigned StrSize = PP.getSpelling(Tok, LangBufPtr); 172c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 173c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 174c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 175074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy LinkageSpec 1771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnStartLinkageSpecification(CurScope, 178074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 179074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor Loc, LangBufPtr, StrSize, 1801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 181074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 182074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 183bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 184bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 185bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 186bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 187bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 188074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 1893acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian ParseDeclarationOrFunctionDefinition(DS, Attr.AttrList); 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 191074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 1921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 193f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 194bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 195bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 196bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 197bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 198f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 199f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 200bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 201bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 202bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 203bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 204f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 205c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 206f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 207074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, RBrace); 208c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 209e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 210f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 211f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 21297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 213bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 214bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr) { 215f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 216f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 217f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 218f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 219f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 22049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 22149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsing(CurScope); 22249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 22349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 22449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 2252f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 226f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseUsingDirective(Context, UsingLoc, DeclEnd, Attr.AttrList); 228bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 229bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 230bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 231bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 2322f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2332f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 234bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Ignore illegal attributes (the caller should already have issued an error. 23597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 236f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 237f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 238f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 239f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 241f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 242f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 243f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 244f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 245f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 246f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 247f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 248b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 24997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 250bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 251bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *Attr) { 252f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 253f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 254f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 255f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 256f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 25749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 25849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsingDirective(CurScope); 25949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 26049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 26149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 262f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 263f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 264be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 265f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 270823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 274f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 275b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 276f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 279823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 280823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 283bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 284bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 285bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 286bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = addAttributeLists(Attr, ParseGNUAttributes()); 287bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 29097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2916869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 292bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr ? diag::err_expected_semi_after_attribute_list : 2936869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 294f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 295f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor return Actions.ActOnUsingDirective(CurScope, UsingLoc, NamespcLoc, SS, 296bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentLoc, NamespcName, Attr); 297f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 298f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 300f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 301f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 303f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3059cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 306f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 307b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 30897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 309595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 310595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 3119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3127ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 31612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3187ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 326be1ea44be73facdb60edae34c2fb1a38dafcb28cChris Lattner ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 3279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttributeList *AttrList = 0; 3299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3309cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // Parse the unqualified-id. We allow parsing of both constructor and 33712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 33812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 33912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 34012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor if (ParseUnqualifiedId(SS, 34112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 34212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 34312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowConstructorName=*/true, 34412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*ObjectType=*/0, 34512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 34912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor 3509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 352bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 35712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor AttrList ? "attributes list" : "using declaration", 35812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 36060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return Actions.ActOnUsingDeclaration(CurScope, AS, true, UsingLoc, SS, Name, 3617ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall AttrList, IsTypeName, TypenameLoc); 362f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 363f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 364511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 365511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 366511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 367511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 368511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 36997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 370511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 371511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 373511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 374511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 375b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 376511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 378511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 379e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 380511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 381511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 382511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 383b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 384511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 386ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 387b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 388ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 389511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 390511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 391511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 392b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 393511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 395511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 397b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 398511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 39994b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 402511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 403511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 40594b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 406511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 407511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4086fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4096fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4106fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4116fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4126fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4136fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4146fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4156fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4166fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4196fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4206fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4246fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4266fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4286fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 4296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 4306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4466fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 447fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 450fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 451fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 45442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 45542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 45642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4577f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 45842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 45942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 46042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 46142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4627f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 46431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 465d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian const CXXScopeSpec *SS, 466d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian bool DestrExpected) { 4677f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4687f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4707f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 471d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 472d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 47331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4747f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4757f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4767f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4777f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4787f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 47931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 48031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 48131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 48231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4837f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4847f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4867f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4877f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 48842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4891ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 49031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 49142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 49242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 49384d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 49484d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 49584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 49684d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 49784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 49884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 49984d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 50084d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 50184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, CurScope, 50284d0a19828599e8623223632d59447fd498999cfDouglas Gregor SS, Template, TNK)) { 50384d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 50484d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 50584d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 50684d0a19828599e8623223632d59447fd498999cfDouglas Gregor 50784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 50884d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 50984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 51084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Form the template name 51184d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 51284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 51384d0a19828599e8623223632d59447fd498999cfDouglas Gregor 51484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 51584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 51684d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 51784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 51884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 51984d0a19828599e8623223632d59447fd498999cfDouglas Gregor AnnotateTemplateIdTokenAsType(SS); 52084d0a19828599e8623223632d59447fd498999cfDouglas Gregor 52184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 52284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 52384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 52484d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 52584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 52684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 52784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 52884d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 52984d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 53084d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 53184d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 53284d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 53384d0a19828599e8623223632d59447fd498999cfDouglas Gregor 53442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 53584d0a19828599e8623223632d59447fd498999cfDouglas Gregor TypeTy *Type = Actions.getTypeName(*Id, IdLoc, CurScope, SS, true); 53684d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Type) { 53784d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, DestrExpected ? diag::err_destructor_class_name 538d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian : diag::err_expected_class_name); 53931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 54042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 54142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 54242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 54384d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 54442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 54542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 54642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 547e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 548e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 549e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 550e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 551e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 552e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 553e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 554e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 555e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 556e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 557e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 558e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 559e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 560e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 562e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 564e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 565e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 566e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 567e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 568e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 569e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 570e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 574e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 575e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 576e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 577e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 578e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 579e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 580e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 581e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 582e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 583e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 584e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 585e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 586e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5874c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5884c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5894d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 59006c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS) { 5914c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5924c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5934c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5944c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5954c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5964c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5974c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5984c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 5994c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 600e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 601374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 602374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 603374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 604374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor ConsumeToken(); 605374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 606374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor 607bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 608e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 609e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 610bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 612f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 613290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 614bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 615bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 616bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 617bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 618bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 619bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 620bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 622b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 623b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 624b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 626b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 627b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 628b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 629b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 630b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 631b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 632b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 633b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 634b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 636b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 637b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 638b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 639b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 640b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 642eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 643aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 64408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 64508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 64608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 64708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner 64808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true)) 64908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 65008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 65108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 652cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 6532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 655cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 656e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 657e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 65839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 659e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 660e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 661e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 6622cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6632cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (Tok.is(tok::less)) { 6642cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // The name was supposed to refer to a template, but didn't. 6652cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 6662cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 6672cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 6682cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 6692cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 6702cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 671314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 6722cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 6732cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 6742cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 6752cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 6762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 678c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 6792cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 6802cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 6812cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 6822cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 6832cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 6842cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 685c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Strip off the last template parameter list if it was empty, since 686c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 687c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 688c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 689c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 690c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 691c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 692c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 693c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 694c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 695c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 696c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 697c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 6982cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 6992cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7002cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 701c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 702c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 703c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 704c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7052cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 706c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor 7072cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 7082cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 70939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 71039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 71139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 712cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 713c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 71439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 71539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 71639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 71739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 71839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 71939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 72039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 72139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 72239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 72539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 72639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 72739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 728cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 729e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 730e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 73167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 73267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 73367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 73439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 735e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 7360f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 737d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) { 738d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 739d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 740d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 741d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 742d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 743d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 744d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 745d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 746d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 747d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Friend; 748d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 749d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 750d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Definition; 751d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 752d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 75367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 754e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 7550f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 756e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 7570f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 758e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 7591ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 7601ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 761e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 762e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 76339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 76439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 76539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 766e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 767e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 768e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 769ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 770c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 771c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 7724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7730f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall // FIXME: When TUK == TUK_Reference and we have a template-id, we need 7744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 7754d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 776402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 777f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 7784d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 7794d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 78139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 78239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 7834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7840f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7854d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 7864d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 78845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 7904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 7924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 7951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 7964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 798bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 799fc9cd61f2372cd8f43f0d92be14fa75778de6be6Douglas Gregor } else if (TUK == Action::TUK_Reference) { 800c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 8016b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 8026b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 8036b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 8046b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 8056b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 8066b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 807c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 808c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 8094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 8104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 8114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 8124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 8134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 8154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 8164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 8174d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 8194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8203f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 8214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 8224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 8230f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 8244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 8264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 8271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 8284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 8294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 8304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 8314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 8334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 8344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 8354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 8374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 8404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 8414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 8424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 8434d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 8454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 8460f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 84739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 85139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 853bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 855cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 856cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 8574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 85839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 8593f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8600f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 8613f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 8623f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 8633f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8643f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 8653f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8663f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 86845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 871bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 8723f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 8733f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8740f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 8753f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 8763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 8773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 878c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 879c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 8803f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 882bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 8847cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 8857cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 886c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 887c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 888c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 889c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 890c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 891c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 892c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall SS, Name, StartLoc, NameLoc); 8933f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 894e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 895e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 896bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (TUK == Action::TUK_Definition) { 897bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 898bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall (getLang().CPlusPlus && Tok.is(tok::colon))); 89907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 900212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 90107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 902212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 903e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 904e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 905c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 906c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 907c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 908c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 909c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 910c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 911c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 912c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 913ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 91466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 91566e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 917fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 918fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 919c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 920b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // FIXME: The DeclSpec should keep the locations of both the keyword and the 921b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor // name (if there is one). 922b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 923b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor 924b988f9cde9bce0848d081b5cd1f6a48b86ec8108Douglas Gregor if (DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 925c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 926fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 927e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 928e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 930e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 931e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 932e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 933e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 934e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 935e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 936b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 937e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 938e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 939e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 940f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 941f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 942f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 943e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 944e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 945f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 9465ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 947e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 948e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 949f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 950f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 951f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 9525ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 953e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 954e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 955e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 956e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 957e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 959e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 960e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 961e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 962f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 963f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 964beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 965e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 966e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 967e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 968e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 969e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 970e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 971e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 972e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 973e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 974e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 975e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 976e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 977e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 978b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 979e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 980e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 981e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 982e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 983e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 984e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 985e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 986e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 987e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 988e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 989e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 99092f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 991e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 993e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 994e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 995e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 996e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 997e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 998e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 9991ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 100029d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(VirtualLoc); 1001e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1002e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1003e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1004e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1005e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1006eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1007eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 10082dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 1009e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1010e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1011e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 101242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 101342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 10147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 101531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 101631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 101742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 10207f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1022e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1023e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1024a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 102531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 1026e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1027e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1028e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1029e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1030e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1031e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1032e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1033e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1034e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1036e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1037e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1038e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1039e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1040e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1041e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1042e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 10434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1044d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1045d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 1046d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1047d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1048d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1050d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1051d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1052d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1053d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1054d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1055d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1056d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1057d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1058d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 1059d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 1060d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1061d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1062d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1063d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1064d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1065d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1066d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param)); 1067d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1068d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1069d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1070d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1071d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1072d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1073d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1074d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1075d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1076d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1077d33133cdc1af466f9c276249b2621be03867888bEli Friedman 10784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 10794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 10814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 10824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 10834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 10844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1085511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 10865aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1087bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 10884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 10904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 10914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 10924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 10944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 10954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 10964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 10974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1098e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 10994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 11004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 11024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 11034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 110437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 110537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 110660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 110760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 110860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 110960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall TryAnnotateCXXScopeToken() && 111060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 111160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 111260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 111360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 111460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 111560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 111660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 111760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 111860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 111960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 112060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall ParseOptionalCXXScopeSpecifier(SS, /*ObjectType*/ 0, false); 112160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 112260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 112360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 112460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ParseUnqualifiedId(SS, false, true, true, /*ObjectType*/ 0, Name)) { 112560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 112660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 112760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 112860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 112960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 113060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 113160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 113260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 113360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 113460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 113560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 113660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Actions.ActOnUsingDeclaration(CurScope, AS, 113760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 113860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 113960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 114060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 114160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 114260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 114360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 114460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 114560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1146511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1147682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 114837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 114997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 115097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1151682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1152682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1154682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 115637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 115797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 11594d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1160682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1161682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 11625aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1163bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1164bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1165bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1166bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1167bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 116837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 1169bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 11709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 1171a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1172a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1173a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 1174bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1175bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1176a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 1177bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1178bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 11799cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 118037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1181bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1182bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1183bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1184bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 11879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 11889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 11899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 11909cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 11919cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 11929cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11939cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else { 11949cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 11959cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1196595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 11979cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11989cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 11999cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 12009cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 12014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 12024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 12034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 120454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclSpec DS(*this); 1205bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 120637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 12074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1208dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1209dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1210dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1211dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 12124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1214d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 121567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 12164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 121707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 121854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 12194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1221a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1222a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1223a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 12243a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 12253a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 12263a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 122710bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 12283a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 12294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 12303a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 12313a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1232682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12351b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 12361b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 12371b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 12381b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 12391b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 12401b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 12411b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 12423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 12437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1244d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1245d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 12463a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 12473a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 12483a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 12493a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1250682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12513a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 12523a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 12533a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 12543a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 12553a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 12563a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 12573a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 12583a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 12593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1260682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12613a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 12624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 126337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1264682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 12664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 12694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 12704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 12714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1272682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 127315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 127415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1275e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 12764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 12784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 12794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 12804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 12814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 12824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 12844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12850e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 12860e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 12874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 12884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 12914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 12924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 12934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 12944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1295e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1296e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1297e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1298e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 12994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 13014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1302e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1303e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1304e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1305e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1306e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1307e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1308e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1309e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 13104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1313ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1314ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1315bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1316ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1317ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 13184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 131907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1320682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 132107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 132267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 132367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 132467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1325bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1326bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1327bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1328bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 132937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 133067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 133167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 133237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 133367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 133467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1335d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 133667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 133737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1338682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1339682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 13404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 134172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 134372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1344d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 134572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 134672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 134754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 134854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 13494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 13504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 13514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 13524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 13554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 13584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 135915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 136015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1361e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1364ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1365ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1366bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1367ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1368ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 13694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13703a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 13713a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 13724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 13754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1376c1dc653b08226c1d8e1732f9d8b03b82869900bcEli Friedman Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1377682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.size()); 1378682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 13824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 13834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 13854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1386682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 13884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 13904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 13924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 13934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 13944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1396b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 139731fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 13984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 139931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 14004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 140149f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 140249f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 140349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 140526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 140626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 140726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 140826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 140926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor for (const Scope *S = CurScope; S; S = S->getParent()) { 141026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 141126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 141226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 141326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 141426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 141526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 141626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 141726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 141826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 141926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 142026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 142126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 142226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 142326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 142426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 142526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 142626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 142726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 14284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 14303218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 14314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14326569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 143326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 14346569d68745c8213709740337d2be52b031384f58Douglas Gregor 1435ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1436ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1437bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1438bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1439bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1440bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1441bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1442bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1443bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1444bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1445bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1446bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1447bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1448bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1449bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1450bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1451bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!TagDecl) { 1452ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1453ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1454ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 14554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1456f9368159334ff86ea5fa367225c1a580977f3b03John McCall Actions.ActOnStartCXXMemberDeclarations(CurScope, TagDecl, LBraceLoc); 1457f9368159334ff86ea5fa367225c1a580977f3b03John McCall 14584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 14594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 14604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 14614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 14624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 14634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 14644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 14654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 14664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 14684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 14694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 14724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 1473c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 147429d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(Tok.getLocation()); 14754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 14764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 14774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 14804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 14814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 14824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 14834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 14844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 14854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 14864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 148837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 14914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 14924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 14951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 14974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 14984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 1499bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); // FIXME: where should I put them? 15004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 15024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 15034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 15054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 15064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 15074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 15084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 150972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 151072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 151126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (NonNestedClass) { 15124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 151372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 151472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 15156569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 15166569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 15174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 15206569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 15218935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 15224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 152307a5b282fbe719986df9ed05543081ea0ed94aa5Argyrios Kyrtzidis Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 15244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 15257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 15277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 15287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 15297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 15307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 15317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 15327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 15337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 15347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 15357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 15367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 15377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 15387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 15397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 15407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 15437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 15451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1547b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 15487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 15497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 15511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 15557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 15565ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 15575ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 15587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 15607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 15617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 15627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 15637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 15647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1565d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 15667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 15677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 15687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 15697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 15707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 1572beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad MemInitializers.data(), MemInitializers.size()); 15737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 15747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 15767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 15777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 15787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 15797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 15807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 15817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 15837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 15847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 15857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1586b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1587bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1588bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 15892dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1590961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1591961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1592961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1593961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1594d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1595d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1596961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1597961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1598961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1599961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1600961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1601961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 16021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 16037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 16047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 16051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 16077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1608961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 16097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 16107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 16127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 16131ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 16147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 16157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 16167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 16177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1619a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 16207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 16217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 16227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 16237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 16247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 16257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 16267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 16277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1628961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1629961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1630a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1631beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1632beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 16337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 16340fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 16350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 16360fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 16370fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1638a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1639a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1640a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1642a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1643a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1644a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 16450fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 16467dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1647ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1648ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1649ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1650ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 16517dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 16520fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16540fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 16551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16560fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 16570fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 16580fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 16590fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 16600fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1661a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1662a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1663a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 16647dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1665a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1666a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1667a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1668ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1669a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1670a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1671a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 16720fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1673ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 16740fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1675ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1676ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 16777dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1678ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1679ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 16800fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 16810fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 16827dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 16830fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 16840fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 16850fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1686ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 16870fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 16880fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 16896569d68745c8213709740337d2be52b031384f58Douglas Gregor 16906569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 16916569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 16926569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 169326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool NonNestedClass) { 169426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 16956569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 169626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 16976569d68745c8213709740337d2be52b031384f58Douglas Gregor} 16986569d68745c8213709740337d2be52b031384f58Douglas Gregor 16996569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 17006569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 17016569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 17026569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 17036569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 17046569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 17056569d68745c8213709740337d2be52b031384f58Douglas Gregor} 17066569d68745c8213709740337d2be52b031384f58Douglas Gregor 17076569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 17086569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 17096569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 17106569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 17116569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 17126569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 17136569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 17146569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 17156569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 17166569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 17176569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 17181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17196569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 17206569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 17216569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 17226569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 17236569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 17246569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 17256569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 17276569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 17286569d68745c8213709740337d2be52b031384f58Douglas Gregor 17296569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 17306569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 17316569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 17326569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 17336569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 17346569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 17356569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 17366569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 17376569d68745c8213709740337d2be52b031384f58Douglas Gregor } 17386569d68745c8213709740337d2be52b031384f58Douglas Gregor 17396569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 17406569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 17416569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 17426569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 17436569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 17446569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 17456569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1746bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1747bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1748bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1749bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1750bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1751bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1752bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1753bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1754bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1755bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1756bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1757bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1758bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1759bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1760bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1761bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1762bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1763bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1764bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1765bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1766bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1767bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1768bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1769bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1770bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1771bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1772bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1773bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1774bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1775bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1776bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1777bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1778bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1779bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1780bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1781bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1782bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1783bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1784bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1785bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1786bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1787bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 1788bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1789bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1790bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1791bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1792bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1793bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1794bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1795bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1796bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1797bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 1798bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 1799bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1800bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1801bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1802bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1803bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1804bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 1805bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 1806bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1807bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 1808bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 1809bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1810bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1811bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 1812bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1813bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 1814bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1815bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1816bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1817bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 1818bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 1819bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1820bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 1821bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 1822bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1823bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1824bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 1825bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 1826bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 1827bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 1828bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 1829bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 1830bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 18317725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 18327725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 1833bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 18347725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 18357725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 18367725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 1837bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 1838bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 1839bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1840bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1841bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1842bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1843bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 1844bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 1845bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 1846bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1847bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1848bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1849bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1850bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 1851bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 1852bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 1853bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 1854bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1855bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1856bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1857bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 1858bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1859bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt OwningExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 1860bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1861bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 1862bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1863bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 1864bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 1865bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 1866bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 1867bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 1868bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1869bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1870bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1871bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1872bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1873bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 1874bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 1875bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1876bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1877bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1878bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 1879bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 1880bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 1881bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 1882bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 1883bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1884bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1885bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1886bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1887bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1888bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 1889bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1890bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1891bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1892bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 1893bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 1894bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1895bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1896bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 1897bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 1898bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1899bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 1900bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 1901bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1902bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 1903bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 1904bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntParser::OwningExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 1905bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 1906bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt EnterExpressionEvaluationContext Unevaluated(Actions, 1907bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Action::Unevaluated); 1908bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 1909bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeTy *Ty = ParseTypeName().get(); 1910bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 1911bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, Ty, 1912bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeRange); 1913bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 1914bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 1915bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1916