ParseDeclCXX.cpp revision 08d92ecf6e5b1fd23177a08c2312b58d63d863db
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 36012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor return Actions.ActOnUsingDeclaration(CurScope, AS, 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()); 471c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 47231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4737f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4747f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4757f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4767f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4777f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 47831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 47931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 48031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 48131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4827f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4837f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4847f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4867f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 48742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4881ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 48931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 49042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 49142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 49242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeTy *Type = Actions.getTypeName(*Tok.getIdentifierInfo(), 49442c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor Tok.getLocation(), CurScope, SS, 49542c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor true); 49642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (!Type) { 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, DestrExpected ? diag::err_destructor_class_name 498d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian : diag::err_expected_class_name); 49931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 50042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 50142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 50242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 5037f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = ConsumeToken(); 50442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 50542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 50642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 507e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 508e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 509e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 510e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 511e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 512e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 513e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 514e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 515e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 516e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 517e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 518e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 519e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 520e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 522e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 524e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 525e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 526e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 527e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 528e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 529e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 530e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 534e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 535e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 536e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 537e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 538e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 539e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 540e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 541e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 542e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 543e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 544e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 545e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 546e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5484c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5494d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 55006c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS) { 5514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5524c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5534c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5544c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5554c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5564c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5574c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5584c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 5594c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 560e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 561374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 562374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 563374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 564374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor ConsumeToken(); 565374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 566374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor 567bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 568e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 569e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 570bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 571e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 572f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 573290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 574bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 575bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 576bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 577bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 578bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 579bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 580bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 582b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 583b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 584b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 5851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 586b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 587b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 588b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 589b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 590b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 591b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 592b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 593b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 594b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 596b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 597b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 598b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 599b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 600b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 602eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 603eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 60408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 60508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 60608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 60708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner 60808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true)) 60908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 61008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 61108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 612cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 6132cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6142cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 615cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 616e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 617e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 61839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 619e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 620e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 621e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 6222cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6232cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (Tok.is(tok::less)) { 6242cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // The name was supposed to refer to a template, but didn't. 6252cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 6262cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 6272cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 6282cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 6292cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 6302cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 631314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 6322cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 6332cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 6342cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 6352cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 6362cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6372cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 638c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 6392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 6402cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 6412cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 6422cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 6432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 6442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 645c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Strip off the last template parameter list if it was empty, since 646c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 647c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 648c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 649c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 650c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 651c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 652c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 653c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 654c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 655c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 656c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 657c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 6582cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 6592cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 6602cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 661c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 662c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 663c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 664c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 6652cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 666c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor 6672cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6682cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 66939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 67039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 67139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 672cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 673c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 67439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 67539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 67639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 67739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 67839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 67939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 68039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 68139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 68239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 68439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 68539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 68639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 68739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 688cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 689e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 690e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 69167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 69267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 69367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 69439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 695e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 6960f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 697d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) { 698d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 699d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 700d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 701d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 702d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 703d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 704d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 705d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 706d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 707d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Friend; 708d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 709d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 710d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Definition; 711d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 712d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 71367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 714e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 7150f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 716e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 7170f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 718e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 7191ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 7201ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 721e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 722e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 72339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 72439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 72539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 726e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 727e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 728e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 729ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 730c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 731c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 7324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7330f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall // FIXME: When TUK == TUK_Reference and we have a template-id, we need 7344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 7354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 736402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 737f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 7384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 7394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 74139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 74239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 7434d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7440f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 7464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 74845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 7504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 7524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 7564d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 758bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 759fc9cd61f2372cd8f43f0d92be14fa75778de6be6Douglas Gregor } else if (TUK == Action::TUK_Reference) { 760c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 7616b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 7626b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 7636b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 7646b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 7656b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 7666b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 767c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 768c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 7694d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 7704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 7714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 7724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 7734d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 7754d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 7764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 7774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 7784d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 7794d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 7803f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 7814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 7824d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 7830f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 7844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 7864d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 7884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 7894d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 7904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 7914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 7934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 7944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 7954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 7974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 8004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 8014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 8024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 8034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 8054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 8060f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 80739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 81139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 8121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 813bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 815cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 816cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 8174d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 81839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 8193f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8200f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 8213f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 8223f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 8233f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8243f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 8253f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8263f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 8271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 82845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 831bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 8323f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 8333f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8340f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 8353f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 8363f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 8373f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 838c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 839c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 8403f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 842bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 8447cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 8457cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 846c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 847c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 848c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 849c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 850c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 851c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 852c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall SS, Name, StartLoc, NameLoc); 8533f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 854e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the optional base clause (C++ only). 85622bd905673a73ccb9b5e45a7038ec060c9650ffeChris Lattner if (getLang().CPlusPlus && Tok.is(tok::colon)) 857212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseBaseClause(TagOrTempResult.get()); 858e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 859e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 860e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace)) 86107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 862212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 86307952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 864212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 8650f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall else if (TUK == Action::TUK_Definition) { 866e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Complain that we have a base-specifier list but no 867e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // definition. 8681ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 869e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 870e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 871c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 872c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 873c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 874c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 875c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 876c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 877c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 878c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 879ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 88066e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 88166e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 883fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 884fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 885c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 886fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (DS.SetTypeSpecType(TagType, StartLoc, PrevSpec, DiagID, 887c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 888fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 889e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 890e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 8911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 892e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 893e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 894e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 895e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 896e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 897e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 898b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 899e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 900e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 901e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 902f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 903f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 904f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 905e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 906e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 907f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 9085ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 909e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 910e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 911f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 912f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 913f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 9145ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 915e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 916e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 917e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 918e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 919e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 921e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 922e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 923e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 924f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 925f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 926beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 927e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 928e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 929e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 930e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 931e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 932e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 933e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 934e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 935e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 936e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 937e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 938e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 939e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 940b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 941e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 942e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 943e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 944e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 945e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 946e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 947e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 948e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 949e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 950e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 951e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 952e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Access) 953e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 955e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 956e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 957e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 958e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 959e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 960e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 9611ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 96229d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(VirtualLoc); 963e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 964e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 965e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 966e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 967e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 968eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 969eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 9702dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 971e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 972e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 973e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 97442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 97542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 9767f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 97731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 97831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 97942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 9827f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 984e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 985e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 986a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 98731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 988e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 989e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 990e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 991e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 992e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 993e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 994e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 995e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 996e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 998e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 999e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1000e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1001e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1002e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1003e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1004e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 10054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1006d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1007d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 1008d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1009d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1010d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1012d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1013d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1014d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1015d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1016d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1017d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1018d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1019d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1020d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 1021d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 1022d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1023d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1024d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1025d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1026d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1027d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1028d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param)); 1029d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1030d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1031d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1032d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1033d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1034d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1035d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1036d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1037d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1038d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1039d33133cdc1af466f9c276249b2621be03867888bEli Friedman 10404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 10414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 10434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 10444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 10454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 10464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1047511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 10485aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1049bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 10504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 10524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 10534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 10544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 10564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 10574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 10584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 10594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1060e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 10614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 10624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 10644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 10654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 106637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 106737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 1068511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1069682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 107037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 107197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 107297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1073682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1074682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1076682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 107837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 107997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 10814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1082682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1083682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 10845aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1085bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1086bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1087bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1088bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1089bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 109037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 1091bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 10929cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 1093bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1094bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1095bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 1096bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1097bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1098bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 10999cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 110037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1101bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1102bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1103bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1104bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11069cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 11079cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 11089cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 11099cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 11109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 11119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 11129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else { 11149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 11159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1116595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 11179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11189cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 11199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 11214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 11224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 11234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 112454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclSpec DS(*this); 1125bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 112637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 11274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1128dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1129dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1130dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1131dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 11324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 11334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1134d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 113567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 11364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 113707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 113854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 11394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 11413a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 11423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 11433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 114410bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 11453a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 11464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 11473a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 11483a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1149682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11521b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 11531b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 11541b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 11551b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 11561b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 11571b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 11581b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 11593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 11607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1161d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1162d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 11633a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 11643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 11653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 11663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1167682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11683a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 11693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 11703a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 11713a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 11723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 11733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 11743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 11753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 11763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1177682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 11794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 118037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1181682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 11834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 11864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 11874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 11884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1189682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 119015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 119115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1192e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 11934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 11954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 11964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 11974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 11984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 11994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 12014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12020e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 12030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 12044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 12054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 12084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 12094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 12104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 12114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1212e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1213e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1214e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1215e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 12164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 12184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1219e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1220e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1221e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1222e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1223e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1224e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1225e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1226e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 12274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1230ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1231ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1232bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1233ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1234ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 12354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 123607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1237682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 123807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 123967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 124067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 124167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1242bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1243bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1244bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1245bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 124637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 124767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 124867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 124937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 125067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 125167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1252d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 125367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 125437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1255682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1256682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 12574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 125872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 126072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1261d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 126272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 126372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 126454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 126554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 12664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 12674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 12684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 12694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 12701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 12724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 12754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 127615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 127715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1278e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1281ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1282ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1283bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1284ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1285ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 12864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12873a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 12883a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 12894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1293c1dc653b08226c1d8e1732f9d8b03b82869900bcEli Friedman Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1294682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.size()); 1295682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 12994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 13004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 13014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 13024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1303682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 13054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 13074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 13094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 13104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 13114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1313b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 131431fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 13154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 131631fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 13174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 131849f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 131949f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 132049f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation LBraceLoc = ConsumeBrace(); 13234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13246569d68745c8213709740337d2be52b031384f58Douglas Gregor // Determine whether this is a top-level (non-nested) class. 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool TopLevelClass = ClassStack.empty() || 13266569d68745c8213709740337d2be52b031384f58Douglas Gregor CurScope->isInCXXInlineMethodScope(); 13274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 13293218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 13304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13316569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 13326569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, TopLevelClass); 13336569d68745c8213709740337d2be52b031384f58Douglas Gregor 1334ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1335ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1336ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor else { 1337ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1338ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1339ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 13404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 13424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 13434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 13444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 13454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 13464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 13474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 13484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 13494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 13514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 13524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 13554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 1356c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 135729d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(Tok.getLocation()); 13584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 13604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 13634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 13644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 13654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 13664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 13684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 13694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 137137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 13744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 13754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 13781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 13804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 13814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 1382bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); // FIXME: where should I put them? 13834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 13854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 13864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 13884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 13894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 13904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 13914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 139272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 139372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 13946569d68745c8213709740337d2be52b031384f58Douglas Gregor if (TopLevelClass) { 13954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 139672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 139772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 13986569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 13996569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 14004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 14036569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 14048935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 14054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 140607a5b282fbe719986df9ed05543081ea0ed94aa5Argyrios Kyrtzidis Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 14074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 14087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 14107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 14117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 14127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 14137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 14157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 14167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 14177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 14187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 14197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 14207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 14217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 14227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 14237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 14267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 14281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1430b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 14317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 14327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 14387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 14395ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 14405ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 14417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 14437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 14447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 14457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 14467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 14477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1448d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 14497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 14507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 14517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 14537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 1455beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad MemInitializers.data(), MemInitializers.size()); 14567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 14577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 14597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 14607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 14617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 14627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 14647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 14667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 14677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 14687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1469b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1470bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1471bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 14722dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1473961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1474961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1475961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1476961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1477961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (TemplateId->Kind == TNK_Type_template) { 1478961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1479961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1480961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1481961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1482961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian // FIXME. May need to check for TNK_Dependent_template as well. 1483961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1484961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 14851ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 14867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 14877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 14907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1491961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 14927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 14937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 14957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 14961ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 14977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 14987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 15007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1502a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 15037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 15047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 15057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 15067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 15077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 15087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 15107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1511961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1512961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1513a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1514beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1515beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 15167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 15170fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 15180fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 15190fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 15200fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1521a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1522a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1523a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 15241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1525a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1526a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1527a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 15280fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 15297dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1530ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1531ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1532ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1533ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 15347dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 15350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 15361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15370fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15390fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 15400fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 15410fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 15420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 15430fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1544a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1545a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1546a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 15477dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1548a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1549a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1550a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1551ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1552a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1553a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1554a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 15550fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1556ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 15570fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1558ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1559ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 15607dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1561ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1562ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 15630fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 15640fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 15657dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 15660fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 15670fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 15680fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1569ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 15700fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 15710fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 15726569d68745c8213709740337d2be52b031384f58Douglas Gregor 15736569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 15746569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 15756569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 15766569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool TopLevelClass) { 15771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((TopLevelClass || !ClassStack.empty()) && 15786569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 15796569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, TopLevelClass)); 15806569d68745c8213709740337d2be52b031384f58Douglas Gregor} 15816569d68745c8213709740337d2be52b031384f58Douglas Gregor 15826569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 15836569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 15846569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 15856569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 15866569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 15876569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 15886569d68745c8213709740337d2be52b031384f58Douglas Gregor} 15896569d68745c8213709740337d2be52b031384f58Douglas Gregor 15906569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 15916569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 15926569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 15936569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 15946569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 15956569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 15966569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 15976569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 15986569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 15996569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 16006569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 16011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16026569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 16036569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 16046569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 16056569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 16066569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 16076569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 16086569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 16106569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 16116569d68745c8213709740337d2be52b031384f58Douglas Gregor 16126569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 16136569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 16146569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 16156569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 16166569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 16176569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 16186569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 16196569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 16206569d68745c8213709740337d2be52b031384f58Douglas Gregor } 16216569d68745c8213709740337d2be52b031384f58Douglas Gregor 16226569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 16236569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 16246569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 16256569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 16266569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 16276569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 16286569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1629bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1630bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1631bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1632bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1633bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1634bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1635bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1636bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1637bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1638bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1639bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1640bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1641bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1642bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1643bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1644bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1645bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1646bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1647bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1648bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1649bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1650bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1651bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1652bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1653bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1654bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1655bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1656bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1657bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1658bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1659bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1660bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1661bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1662bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1663bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1664bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1665bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1666bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1667bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1668bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1670bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 1671bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1672bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1673bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1674bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1675bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1676bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1677bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1678bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1679bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1680bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 1681bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 1682bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1683bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1684bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1685bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1686bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1687bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 1688bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 1689bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1690bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 1691bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 1692bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1693bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1694bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 1695bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1696bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 1697bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1698bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1699bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1700bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 1701bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 1702bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1703bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 1704bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 1705bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1706bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1707bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 1708bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 1709bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 1710bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 1711bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 1712bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 1713bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 17147725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 17157725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 1716bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 17177725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 17187725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 17197725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 1720bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 1721bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 1722bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1723bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1724bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1725bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1726bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 1727bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 1728bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 1729bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1730bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1731bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1732bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1733bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 1734bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 1735bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 1736bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 1737bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1738bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1739bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1740bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 1741bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1742bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt OwningExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 1743bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1744bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 1745bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1746bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 1747bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 1748bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 1749bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 1750bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 1751bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1752bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1753bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1754bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1755bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1756bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 1757bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 1758bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1759bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1760bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1761bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 1762bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 1763bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 1764bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 1765bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 1766bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1767bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1768bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1769bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1770bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1771bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 1772bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1773bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1774bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1775bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 1776bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 1777bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1778bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1779bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 1780bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 1781bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1782bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 1783bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 1784bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1785bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 1786bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 1787bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntParser::OwningExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 1788bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 1789bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt EnterExpressionEvaluationContext Unevaluated(Actions, 1790bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Action::Unevaluated); 1791bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 1792bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeTy *Ty = ParseTypeName().get(); 1793bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 1794bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, Ty, 1795bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeRange); 1796bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 1797bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 1798bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1799