ParseDeclCXX.cpp revision 29d9c1adfadf65e2d847d44bec37746844b9e0e3
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" 20bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner#include "ExtensionRAIIObject.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. 1352dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor 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/// 164b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseLinkage(unsigned Context) { 165c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 166c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner llvm::SmallVector<char, 8> LangBuffer; 167c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 168c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner LangBuffer.resize(Tok.getLength()); 169c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner const char *LangBufPtr = &LangBuffer[0]; 170c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner unsigned StrSize = PP.getSpelling(Tok, LangBufPtr); 171c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 172c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 173c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 174074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy LinkageSpec 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnStartLinkageSpecification(CurScope, 177074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 178074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor Loc, LangBufPtr, StrSize, 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 180074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 181074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 182bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 183bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 184bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 185bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 186bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 187074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 188bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseDeclarationOrFunctionDefinition(Attr.AttrList); 1891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 190074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 1911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 192f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 193bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 194bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 195bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 196bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 197f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 198f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 199bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 200bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 201bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 202bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 203f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 204c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 205f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 206074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, RBrace); 207c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 208e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 209f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 210f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 21197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 212bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 213bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr) { 214f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 215f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 216f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 217f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 218f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 21949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 22049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsing(CurScope); 22149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 22249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 22349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 2242f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 225f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 226bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseUsingDirective(Context, UsingLoc, DeclEnd, Attr.AttrList); 227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 228bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 229bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 230bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 2312f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2322f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 233bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Ignore illegal attributes (the caller should already have issued an error. 23497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 235f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 236f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 237f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 238f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 239f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 241f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 242f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 243f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 244f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 245f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 246f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 247b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 24897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 249bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 250bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *Attr) { 251f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 252f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 253f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 254f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 255f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 25649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 25749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsingDirective(CurScope); 25849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 25949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 26049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 261f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 262f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 2632dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 264f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 265f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 269823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 274b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 278823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 279823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 282bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 283bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 284bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 285bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = addAttributeLists(Attr, ParseGNUAttributes()); 286bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 288823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 28997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2906869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 291bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr ? diag::err_expected_semi_after_attribute_list : 2926869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 293f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 294f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor return Actions.ActOnUsingDirective(CurScope, UsingLoc, NamespcLoc, SS, 295bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentLoc, NamespcName, Attr); 296f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 297f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 298f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 300f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 301f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3039cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 305f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 306b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 30797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 308595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 309595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 3109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3117ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 31512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3169cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3177ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3189cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 3252dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 3269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttributeList *AttrList = 0; 3289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3309cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // Parse the unqualified-id. We allow parsing of both constructor and 33612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 33712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 33812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 33912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor if (ParseUnqualifiedId(SS, 34012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 34112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 34212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowConstructorName=*/true, 34312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*ObjectType=*/0, 34412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 34812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor 3499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 351bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 35612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor AttrList ? "attributes list" : "using declaration", 35712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 35912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor return Actions.ActOnUsingDeclaration(CurScope, AS, UsingLoc, SS, Name, 3607ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall AttrList, IsTypeName, TypenameLoc); 361f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 362f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 363511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 364511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 365511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 366511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 367511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 36897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 369511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 370511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 372511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 373511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 374b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 375511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 378e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 379511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 380511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 381511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 382b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 383511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 385ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 386b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 387ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 388511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 389511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 390511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 391b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 392511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 394511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 3951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 396b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 397511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 39894b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 401511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 402511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 40494b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 405511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 406511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4076fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4086fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4096fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4106fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4116fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4126fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4136fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4146fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4156fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4186fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4196fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4206fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4256fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4266fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 4286fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 4296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 446fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4476fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 449fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 450fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 45342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 45442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 45542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4567f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 45742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 45842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 45942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 46042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4617f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 46331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 464d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian const CXXScopeSpec *SS, 465d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian bool DestrExpected) { 4667f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4677f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4697f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 470c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 47131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4727f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4737f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4747f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4757f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4767f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 47731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 47831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 47931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 48031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4817f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4827f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4837f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4847f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 48642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4871ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 48831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 48942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 49042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 49142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeTy *Type = Actions.getTypeName(*Tok.getIdentifierInfo(), 49342c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor Tok.getLocation(), CurScope, SS, 49442c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor true); 49542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (!Type) { 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, DestrExpected ? diag::err_destructor_class_name 497d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian : diag::err_expected_class_name); 49831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 49942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 50042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 50142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 5027f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = ConsumeToken(); 50342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 50442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 50542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 506e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 507e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 508e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 509e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 510e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 511e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 512e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 513e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 514e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 515e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 516e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 517e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 518e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 519e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 521e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 523e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 524e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 525e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 526e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 527e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 528e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 529e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 533e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 534e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 535e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 536e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 537e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 538e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 539e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 540e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 541e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 542e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 543e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 544e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 545e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5464c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 54906c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS) { 5504c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5524c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5534c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5544c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5554c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5564c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5574c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 5584c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 559e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 560374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 561374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 562374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 563374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor ConsumeToken(); 564374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 565374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor 566bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 567e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 568e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 569bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 570e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 571f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 572290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 573bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 574bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 575bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 576bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 577bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 578bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 579bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 581b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 582b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 583b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 585b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 586b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 587b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 588b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 589b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 590b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 591b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 592b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 593b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 595b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 596b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 597b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 598b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 599b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 601eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 602eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().CPlusPlus && 6042dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true)) 60539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 606eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Diag(Tok, diag::err_expected_ident); 607cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 6082cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6092cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 610cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 612e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 61339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 614e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 615e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 616e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 6172cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6182cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (Tok.is(tok::less)) { 6192cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // The name was supposed to refer to a template, but didn't. 6202cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 6212cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 6222cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 6232cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 6242cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 6252cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 626314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 6272cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 6282cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 6292cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 6302cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 6312cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6322cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 633c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 6342cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 6352cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 6362cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 6372cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 6382cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 6392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 640c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Strip off the last template parameter list if it was empty, since 641c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 642c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 643c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 644c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 645c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 646c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 647c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 648c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 649c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 650c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 651c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 652c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 6532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 6542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 6552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 656c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 657c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 658c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 659c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 6602cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 661c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor 6622cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 6632cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 66439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 66539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 66639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 667cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 668c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 66939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 67039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 67139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 67239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 67339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 67439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 67539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 67639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 67739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 67939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 68039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 68139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 68239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 683cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 684e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 685e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 68667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 68767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 68867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 68939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 690e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 6910f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 692d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) { 693d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 694d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 695d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 696d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 697d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 698d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 699d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 700d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 701d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 702d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Friend; 703d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 704d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 705d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor TUK = Action::TUK_Definition; 706d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 707d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 70867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 709e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 7100f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 711e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 7120f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 713e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 7141ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 7151ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 716e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 717e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 71839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 71939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 72039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 721e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 722e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 723e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 724ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 725c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 726c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 7274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7280f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall // FIXME: When TUK == TUK_Reference and we have a template-id, we need 7294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 7304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 731402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 732f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 7334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 7344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 73639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 73739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 7384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7390f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 7414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 74345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 7454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 7474d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 7514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 753bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 754fc9cd61f2372cd8f43f0d92be14fa75778de6be6Douglas Gregor } else if (TUK == Action::TUK_Reference) { 755c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 7566b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 7576b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 7586b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 7596b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 7606b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 7616b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 762c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 763c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 7644d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 7654d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 7664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 7674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 7684d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7694d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 7704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 7714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 7724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 7734d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 7744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 7753f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 7764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 7774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 7780f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 7794d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 7814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 7834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 7844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 7854d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 7864d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 7884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 7894d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 7904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 7924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 7954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 7964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 7974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 7984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 8004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 8010f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 80239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 80639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 808bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 810cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 811cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 8124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 81339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 8143f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8150f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 8163f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 8173f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 8183f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8193f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 8203f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 8213f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 8221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 82345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 826bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 8273f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 8283f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 8290f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 8303f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 8313f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 8323f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 833c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 834c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 8353f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 837bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 8397cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 8407cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 841c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 842c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 843c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 844c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 845c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 846c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 847c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall SS, Name, StartLoc, NameLoc); 8483f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 849e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 850e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the optional base clause (C++ only). 85122bd905673a73ccb9b5e45a7038ec060c9650ffeChris Lattner if (getLang().CPlusPlus && Tok.is(tok::colon)) 852212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseBaseClause(TagOrTempResult.get()); 853e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 854e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace)) 85607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 857212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 85807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 859212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 8600f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall else if (TUK == Action::TUK_Definition) { 861e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Complain that we have a base-specifier list but no 862e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // definition. 8631ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 864e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 865e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 866c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 867c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 868c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 869c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 870c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 871c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 872c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 873c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 874ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 87566e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 87666e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 878fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 879fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 880c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 881fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (DS.SetTypeSpecType(TagType, StartLoc, PrevSpec, DiagID, 882c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 883fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 884e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 885e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 887e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 888e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 889e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 890e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 891e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 892e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 893b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 894e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 895e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 896e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 897f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 898f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 899f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 900e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 901e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 902f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 9035ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 904e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 905e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 906f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 907f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 908f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 9095ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 910e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 911e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 912e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 913e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 914e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 9151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 916e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 917e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 918e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 919f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 920f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 921beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 922e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 923e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 924e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 925e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 926e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 927e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 928e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 929e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 930e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 931e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 932e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 933e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 934e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 935b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 936e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 937e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 938e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 939e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 940e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 941e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 942e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 943e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 944e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 945e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 946e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 947e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Access) 948e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 950e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 951e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 952e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 953e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 954e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 955e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 9561ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 95729d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(VirtualLoc); 958e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 959e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 960e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 961e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 962e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 963eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 964eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 9652dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 966e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 967e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 968e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 96942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 97042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 9717f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 97231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 97331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 97442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 9777f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 979e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 980e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 981a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 98231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 983e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 984e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 985e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 986e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 987e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 988e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 989e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 990e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 991e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 993e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 994e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 995e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 996e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 997e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 998e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 999e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 10004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1001d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1002d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 1003d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1004d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1005d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1007d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1008d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1009d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1010d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1011d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1012d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1013d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1014d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1015d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 1016d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 1017d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1018d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1019d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1020d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1021d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1022d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1023d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param)); 1024d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1025d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1026d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1027d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1028d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1029d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1030d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1031d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1032d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1033d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1034d33133cdc1af466f9c276249b2621be03867888bEli Friedman 10354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 10364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 10384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 10394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 10404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 10414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1042511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 10435aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1044bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 10454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 10474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 10484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 10494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 10514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 10524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 10534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 10544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1055e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 10564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 10574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 10584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 10594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 10604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 106137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 106237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 1063511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1064682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 106537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 106697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 106797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1068682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1069682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1071682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 107337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 107497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 10764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1077682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1078682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 10795aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1080bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1081bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1082bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1083bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1084bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 108537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 1086bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 10879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 1088bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1089bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1090bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 1091bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1092bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1093bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 10949cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 109537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1096bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1097bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1098bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1099bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11019cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 11029cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 11039cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 11049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 11059cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 11069cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 11079cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11089cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else { 11099cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 11109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1111595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 11129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 11149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 11159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 11164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 11174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 11184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 111954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclSpec DS(*this); 1120bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 112137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 11224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1123dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1124dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1125dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1126dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 11274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 11284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1129d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 113067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 11314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 113207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 113354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 11344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11353a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 11363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 11373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 11383a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 113910bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 11403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 11414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 11423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 11433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1144682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11471b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 11481b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 11491b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 11501b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 11511b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 11521b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 11531b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 11543a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 11557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1156d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1157d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 11583a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 11593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 11603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 11613a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1162682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11633a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 11643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 11653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 11663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 11673a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 11683a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 11693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 11703a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 11713a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1172682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 11744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 117537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1176682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 11784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 11814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 11824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 11834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1184682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 118515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 118615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1187e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 11884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 11904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 11914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 11924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 11934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 11944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 11964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 11970e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 11980e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 11994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 12004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 12034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 12044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 12054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 12064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1207e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1208e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1209e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1210e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 12114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 12134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1214e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1215e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1216e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1217e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1218e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1219e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1220e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1221e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 12224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1225ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1226ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1228ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1229ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 12304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 123107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1232682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 123307952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 123467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 123567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 123667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1237bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1238bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1239bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1240bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 124137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 124267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 124367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 124437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 124567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 124667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1247d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 124867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 124937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1250682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1251682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 12524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 125372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 125572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1256d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 125772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 125872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 125954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 126054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 12614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 12624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 12634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 12644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 12674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 12704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 127115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 127215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1273e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1276ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1277ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1278bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1279ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1280ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 12814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 12833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 12844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1288c1dc653b08226c1d8e1732f9d8b03b82869900bcEli Friedman Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1289682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.size()); 1290682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 12944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 12954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 12964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 12974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1298682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 13004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 13024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 13044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 13054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 13064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1308b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 130931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 13104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 131131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 13124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 131349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 131449f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 131549f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation LBraceLoc = ConsumeBrace(); 13184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13196569d68745c8213709740337d2be52b031384f58Douglas Gregor // Determine whether this is a top-level (non-nested) class. 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool TopLevelClass = ClassStack.empty() || 13216569d68745c8213709740337d2be52b031384f58Douglas Gregor CurScope->isInCXXInlineMethodScope(); 13224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 13243218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 13254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13266569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 13276569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, TopLevelClass); 13286569d68745c8213709740337d2be52b031384f58Douglas Gregor 1329ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1330ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1331ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor else { 1332ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1333ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1334ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 13354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 13374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 13384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 13394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 13404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 13414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 13424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 13434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 13444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 13464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 13474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 13504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 1351c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 135229d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(Tok.getLocation()); 13534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 13554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 13584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 13594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 13604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 13614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 13624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 13634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 13644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 136637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 13694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 13704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 13754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 13764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 1377bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); // FIXME: where should I put them? 13784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 13804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 13814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 13834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 13854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 13864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 138772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 138872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 13896569d68745c8213709740337d2be52b031384f58Douglas Gregor if (TopLevelClass) { 13904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 139172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 139272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 13936569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 13946569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 13954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 13986569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 13998935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 14004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 140107a5b282fbe719986df9ed05543081ea0ed94aa5Argyrios Kyrtzidis Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 14024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 14037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 14057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 14067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 14077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 14087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 14107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 14117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 14127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 14137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 14147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 14157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 14167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 14177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 14187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 14217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1425b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 14267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 14277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 14337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 14345ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 14355ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 14367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 14387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 14397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 14407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 14417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 14427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1443d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 14447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 14457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 14467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 14487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 1450beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad MemInitializers.data(), MemInitializers.size()); 14517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 14527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 14547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 14557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 14567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 14577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 14587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 14597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 14617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 14627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 14637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1464b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1465bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1466bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 14672dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1468961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1469961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1470961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1471961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1472961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (TemplateId->Kind == TNK_Type_template) { 1473961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1474961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1475961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1476961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1477961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian // FIXME. May need to check for TNK_Dependent_template as well. 1478961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1479961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 14801ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 14817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 14827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 14857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1486961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 14877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 14887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 14907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 14911ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 14927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 14937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 14957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1497a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 14987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 14997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 15007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 15017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 15027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 15037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 15047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 15057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1506961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1507961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1508a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1509beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1510beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 15117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 15120fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 15130fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 15140fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 15150fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1516a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1517a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1518a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1520a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1521a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1522a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 15230fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 15247dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1525ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1526ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1527ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1528ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 15297dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 15300fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15320fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 15331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15340fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 15350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 15360fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 15370fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 15380fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1539a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1540a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1541a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 15427dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1543a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1544a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1545a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1546ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1547a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1548a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1549a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 15500fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1551ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 15520fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1553ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1554ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 15557dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1556ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1557ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 15580fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 15590fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 15607dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 15610fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 15620fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 15630fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1564ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 15650fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 15660fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 15676569d68745c8213709740337d2be52b031384f58Douglas Gregor 15686569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 15696569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 15706569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 15716569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool TopLevelClass) { 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((TopLevelClass || !ClassStack.empty()) && 15736569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 15746569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, TopLevelClass)); 15756569d68745c8213709740337d2be52b031384f58Douglas Gregor} 15766569d68745c8213709740337d2be52b031384f58Douglas Gregor 15776569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 15786569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 15796569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 15806569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 15816569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 15826569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 15836569d68745c8213709740337d2be52b031384f58Douglas Gregor} 15846569d68745c8213709740337d2be52b031384f58Douglas Gregor 15856569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 15866569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 15876569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 15886569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 15896569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 15906569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 15916569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 15926569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 15936569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 15946569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 15956569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 15961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15976569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 15986569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 15996569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 16006569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 16016569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 16026569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 16036569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 16041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 16056569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 16066569d68745c8213709740337d2be52b031384f58Douglas Gregor 16076569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 16086569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 16096569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 16106569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 16116569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 16126569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 16136569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 16146569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 16156569d68745c8213709740337d2be52b031384f58Douglas Gregor } 16166569d68745c8213709740337d2be52b031384f58Douglas Gregor 16176569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 16186569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 16196569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 16206569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 16216569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 16226569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 16236569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1624bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1625bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1626bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1627bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1628bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1629bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1630bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1631bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1632bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1633bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1634bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1635bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1636bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1637bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1638bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1639bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1640bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1641bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1642bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1643bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1644bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1645bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1646bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1647bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1648bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1649bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1650bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1651bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1652bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1653bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1654bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1655bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1656bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1657bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1658bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1659bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1660bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1661bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1662bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1663bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1664bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1665bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 1666bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1667bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1668bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 1669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1670bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1671bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1672bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1673bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1674bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1675bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 1676bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 1677bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 1678bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1679bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1680bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1681bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1682bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 1683bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 1684bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1685bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 1686bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 1687bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 1688bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1689bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 1690bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 1691bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 1692bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 1693bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1694bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1695bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 1696bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 1697bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1698bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 1699bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 1700bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1701bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1702bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 1703bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 1704bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 1705bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 1706bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 1707bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 1708bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 17097725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 17107725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 1711bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 17127725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 17137725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 17147725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 1715bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 1716bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 1717bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1718bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1719bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1720bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1721bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 1722bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 1723bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 1724bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1725bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1726bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1727bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1728bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 1729bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 1730bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 1731bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 1732bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 1733bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1734bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1735bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 1736bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1737bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt OwningExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 1738bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1739bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 1740bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1741bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 1742bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 1743bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 1744bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 1745bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 1746bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1747bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 1748bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 1749bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1750bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1751bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 1752bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 1753bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1754bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1755bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1756bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 1757bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 1758bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 1759bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 1760bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 1761bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1762bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1763bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1764bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1765bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1766bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 1767bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 1768bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 1769bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1770bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 1771bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 1772bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1773bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1774bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 1775bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 1776bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1777bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 1778bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 1779bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1780bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 1781bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 1782bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntParser::OwningExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 1783bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 1784bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt EnterExpressionEvaluationContext Unevaluated(Actions, 1785bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Action::Unevaluated); 1786bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 1787bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeTy *Ty = ParseTypeName().get(); 1788bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 1789bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, Ty, 1790bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt TypeRange); 1791bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 1792bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 1793bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 1794