ParseDeclCXX.cpp revision db5d44b775c60166074acd184ca9f1981c10c2a7
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" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 20f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 21d167ca0d26e43292b8b9e8d5300d92784ae0e27dChris Lattner#include "RAIIObjectsForParser.h" 228f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 25d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// may either be a top level namespace or a block-level namespace alias. If 26d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// there was an inline keyword, it has already been parsed. 278f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 33d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' attributes[opt] '{' namespace-body '}' 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 40d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' identifier attributes[opt] 41d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 428f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 44d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' original-namespace-name 45d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 478f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 488f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 50d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespace(unsigned Context, 51d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd, 52d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation InlineLoc) { 5304d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 548f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 5723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceDecl(getCurScope()); 58dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 5949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 60193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 618f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 628f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 636a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 646a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6604d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 678f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 688f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 698f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 718f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 720b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 736a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 746a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 757f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 766a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 786a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.empty()) 806a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 81d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl if (InlineLoc.isValid()) 82d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Diag(InlineLoc, diag::err_inline_namespace_alias) 83d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl << FixItHint::CreateRemoval(InlineLoc); 846a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 8597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 866a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 885144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 905144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 91d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 925144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 952d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 9623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 9723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 9823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 9995f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor Diag(LBrace, diag::err_namespace_nonnamespace_scope); 10095f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 101d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 10295f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 10395f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 10488e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 10588e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl if (!getLang().CPlusPlus0x && InlineLoc.isValid()) 10688e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl Diag(InlineLoc, diag::ext_inline_namespace); 10788e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1085144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1095144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1102d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 111d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 112acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, NamespaceLoc, 113acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara IdentLoc, Ident, LBrace, attrs.getList()); 1142d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 115f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, NamespcDecl, NamespaceLoc, 116f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing namespace"); 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1190b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 1207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 1217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1227f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 123bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1255144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1265144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1278ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 12897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 12997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1302d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 13197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1325144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1338f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 134c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 135f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 136f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 137f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 138d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1390b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation AliasLoc, 1400b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall IdentifierInfo *Alias, 1410b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation &DeclEnd) { 142f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 144f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 14723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 148dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 14949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 150193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 151f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 152f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 153b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 154f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 155f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 156f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 157f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 158f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 159d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 160f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 161f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 162f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 16303bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 16403bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 16797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1686869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1696869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 17203bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 173f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 174f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 175c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 176c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 177c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 178c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 179c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 180c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 181c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 1827d64271b162eaf5cae264ff64465b28af623dc17Chris LattnerDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, unsigned Context) { 183c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 184193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 185453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 186453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor llvm::StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 187453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 188d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 189c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 190c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 191c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 192074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 193d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *LinkageSpec 19423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 195a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara DS.getSourceRange().getBegin(), 196d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 197a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara Tok.is(tok::l_brace) ? Tok.getLocation() 198074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 199074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 2000b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 2017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 203193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 204074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 205f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // Reset the source range in DS, as the leading "extern" 206f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // does not really belong to the inner declaration ... 207f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeStart(SourceLocation()); 208f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeEnd(SourceLocation()); 209f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // ... but anyway remember that such an "extern" was seen. 21035f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2117f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 21223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 213074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 215f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 21663a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 21763a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 2187f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 219bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 220f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 221f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 2220b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 2237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2247f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 2257f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 226f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 227c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 228f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 2297d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 2307d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner RBrace); 231c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 232e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 233f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 234f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 235d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 23678b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 23778b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 2387f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange &attrs) { 239f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 241f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 242f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 243f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 24449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 24523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 246dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 24749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 248193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 24978b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 25078b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 25178b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 25278b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 25378b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 25478b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 25578b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 25678b810559d89e996e00684335407443936ce34a1John McCall } 25778b810559d89e996e00684335407443936ce34a1John McCall 2587f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 25978b810559d89e996e00684335407443936ce34a1John McCall } 260bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 261162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 26278b810559d89e996e00684335407443936ce34a1John McCall 26378b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 2647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 2652f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 26678b810559d89e996e00684335407443936ce34a1John McCall return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd); 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 274f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 276f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 277f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 278f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 279d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 28078b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 28178b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 2827f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 283f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 284f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 285f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 286f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 287f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 28849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 28923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 290dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 29149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 292193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 293f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 294f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 295b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 296f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 297f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 298f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 300f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 301823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 303f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 304f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 305f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 306d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 307f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 309823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 310823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 311823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 313823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 314bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 315bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 316bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 3177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 318bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 320823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 32197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 3226869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 3239ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 3249ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 3259ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 326f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 32723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 3287f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 330f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 331162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// ParseUsingDeclaration - Parse C++ using-declaration or alias-declaration. 332162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// Assumes that 'using' was already seen. 333f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 334f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 335f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 338f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 339162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// alias-declaration: C++0x [decl.typedef]p2 340162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 'using' identifier = type-id ; 341162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 342d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 34378b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 34478b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 34578b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 34678b810559d89e996e00684335407443936ce34a1John McCall AccessSpecifier AS) { 3479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3487ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 35212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3609cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3619cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 362b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 3639cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3659cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3669cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 367d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3689cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 37112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 37212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 37312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 374193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 37512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 37612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 377193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 378b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 37912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 381d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 383193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3840b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 385162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 386162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Maybe this is an alias-declaration. 387162e1c1b487352434552147967c3dd296ebee2f7Richard Smith bool IsAliasDecl = Tok.is(tok::equal); 388162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeResult TypeAlias; 389162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (IsAliasDecl) { 3903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // TODO: Attribute support. C++0x attributes may appear before the equals. 3913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Where can GNU attributes appear? 392162e1c1b487352434552147967c3dd296ebee2f7Richard Smith ConsumeToken(); 393162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 394162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (!getLang().CPlusPlus0x) 395162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Tok.getLocation(), diag::ext_alias_declaration); 396162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 3973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Type alias templates cannot be specialized. 3983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith int SpecKind = -1; 399536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::Template && 400536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith Name.getKind() == UnqualifiedId::IK_TemplateId) 4013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 0; 4023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) 4033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 1; 4043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 4053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 2; 4063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind != -1) { 4073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SourceRange Range; 4083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind == 0) 4093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = SourceRange(Name.TemplateId->LAngleLoc, 4103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Name.TemplateId->RAngleLoc); 4113e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 4123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = TemplateInfo.getSourceRange(); 4133e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(Range.getBegin(), diag::err_alias_declaration_specialization) 4143e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << SpecKind << Range; 4153e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SkipUntil(tok::semi); 4163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return 0; 4173e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 4183e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 419162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Name must be an identifier. 420162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (Name.getKind() != UnqualifiedId::IK_Identifier) { 421162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Name.StartLocation, diag::err_alias_declaration_not_identifier); 422162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // No removal fixit: can't recover from this. 423162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SkipUntil(tok::semi); 424162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return 0; 425162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else if (IsTypeName) 426162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(TypenameLoc, diag::err_alias_declaration_not_identifier) 427162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SourceRange(TypenameLoc, 428162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SS.isNotEmpty() ? SS.getEndLoc() : TypenameLoc)); 429162e1c1b487352434552147967c3dd296ebee2f7Richard Smith else if (SS.isNotEmpty()) 430162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(SS.getBeginLoc(), diag::err_alias_declaration_not_identifier) 431162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SS.getRange()); 432162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 4333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TypeAlias = ParseTypeName(0, TemplateInfo.Kind ? 4343e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Declarator::AliasTemplateContext : 4353e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Declarator::AliasDeclContext); 436162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else 437162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Parse (optional) attributes (most likely GNU strong-using extension). 438162e1c1b487352434552147967c3dd296ebee2f7Richard Smith MaybeParseGNUAttributes(attrs); 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 4419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 4429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 443162e1c1b487352434552147967c3dd296ebee2f7Richard Smith !attrs.empty() ? "attributes list" : 444162e1c1b487352434552147967c3dd296ebee2f7Richard Smith IsAliasDecl ? "alias declaration" : "using declaration", 44512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 4469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 44778b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 4483e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // In C++0x, alias-declarations can be templates: 449162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // template <...> using id = type; 4503e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind && !IsAliasDecl) { 45178b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 45278b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 45378b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 45478b810559d89e996e00684335407443936ce34a1John McCall 45578b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 45678b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 45778b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 45878b810559d89e996e00684335407443936ce34a1John McCall return 0; 45978b810559d89e996e00684335407443936ce34a1John McCall } 46078b810559d89e996e00684335407443936ce34a1John McCall 4613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (IsAliasDecl) { 4623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 4633e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith MultiTemplateParamsArg TemplateParamsArg(Actions, 4643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->data() : 0, 4653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->size() : 0); 4663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return Actions.ActOnAliasDeclaration(getCurScope(), AS, TemplateParamsArg, 4673e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith UsingLoc, Name, TypeAlias); 4683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 469162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 4708113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, 4717f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, attrs.getList(), 4727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IsTypeName, TypenameLoc); 473f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 474f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 475c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// ParseStaticAssertDeclaration - Parse C++0x or C1X static_assert-declaration. 476511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 477c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C++0x] static_assert-declaration: 478c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// static_assert ( constant-expression , string-literal ) ; 479c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// 480c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C1X] static_assert-declaration: 481c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// _Static_assert ( constant-expression , string-literal ) ; 482511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 483d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 484c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne assert((Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) && 485c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne "Not a static_assert declaration"); 486c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 487c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw__Static_assert) && !getLang().C1X) 488c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne Diag(Tok, diag::ext_c1x_static_assert); 489c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 490511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 4911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 492511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 493511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 494d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 495511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 498e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 49960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 500511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 501511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 502d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 503511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 5041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 505ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 506d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 507ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 508511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 509511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 510511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 511d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 512511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 516d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 517511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 518a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 5219ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 522511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 5239ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 5249ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 525a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara AssertMessage.take(), 526a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RParenLoc); 527511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 528511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 5296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 5306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 5316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 5326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 5336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 5346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 5356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 5366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 5376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 5406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 5416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 5426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 5436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 5461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5476fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 5486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 5496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 550f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 55160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 5526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 5536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 5546fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 5556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 5586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 5596fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 5606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 5616fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 5626fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5646fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 5656fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 5666fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 5676fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 568fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 5696fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 571fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 572fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 5736fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 5746fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 575db5d44b775c60166074acd184ca9f1981c10c2a7Sean Huntvoid Parser::ParseUnderlyingTypeSpecifier(DeclSpec &DS) { 576db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt assert(Tok.is(tok::kw___underlying_type) && 577db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "Not an underlying type specifier"); 578db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 579db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation StartLoc = ConsumeToken(); 580db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation LParenLoc = Tok.getLocation(); 581db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 582db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 583db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "__underlying_type")) { 584db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SkipUntil(tok::r_paren); 585db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 586db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 587db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 588db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt TypeResult Result = ParseTypeName(); 589db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Result.isInvalid()) { 590db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SkipUntil(tok::r_paren); 591db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 592db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 593db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 594db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt // Match the ')' 595db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation RParenLoc; 596db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Tok.is(tok::r_paren)) 597db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt RParenLoc = ConsumeParen(); 598db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt else 599db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt MatchRHSPunctuation(tok::r_paren, LParenLoc); 600db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 601db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (RParenLoc.isInvalid()) 602db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 603db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 604db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt const char *PrevSpec = 0; 605db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt unsigned DiagID; 606db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (DS.SetTypeSpecType(DeclSpec::TST_underlying_type, StartLoc, PrevSpec, 607db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt DiagID, Result.release())) 608db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt Diag(StartLoc, DiagID) << PrevSpec; 609db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt} 610db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 61142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 61242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 61342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 6147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 61542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 61642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 61742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 61842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 6197f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 62131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 622059101f922de6eb765601459925f4c8914420b23Douglas Gregor CXXScopeSpec &SS) { 6237f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 6247f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 6267f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 627d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 628d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 629059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 6307f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 6317f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 632b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 6337f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 6347f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 63531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 63631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 63731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 63831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 6397f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 6407f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 6417f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 6427f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 6437f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 64442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 6451ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 64631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 64742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 64842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 64984d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 65084d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 65184d0a19828599e8623223632d59447fd498999cfDouglas Gregor 65284d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 65384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 65484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 65584d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 65684d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 65723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 658059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 65984d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 66084d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 66184d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 662193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 66384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 66484d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 66584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 666193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 66784d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 66884d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 669193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 67084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 67184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 67284d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 67384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 67484d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 675059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 676193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 67784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 67884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 67984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 68084d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 681193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 68284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 68384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 68484d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 685b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 68684d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 68784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 68884d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 68984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 69042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 691059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 6929e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 6939e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true); 694193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 695124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 69631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 69742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 69842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 69942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 70084d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 7015606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7025606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 7030b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 7045606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 7055606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 706059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 7075606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7085606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 7095606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 7105606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 7115606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7125606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 7135606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 71442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 71542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 716e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 717e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 718e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 719d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 720e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 721e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 722e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 723e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 724e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 725e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 726e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 727e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 728e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 729e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 731e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 733e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 734e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 735e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 736e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 737e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 738e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 739e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 7411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 743e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 744e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 745e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 746e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 747e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 748e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 749e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 750e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 751e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 752e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 753e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 754e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 755e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 7564c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 7574c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 7584d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 759d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 7604c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 7614c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 7624c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 7634c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 7644c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 7654c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 7664c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 7674c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 7684c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 769e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 770374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 771374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 77223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 773dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 774374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 775193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 776926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 777926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 778926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 779926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 780926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 781926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 782926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 783926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 784926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 785926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 786926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 787926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 788926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 789926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 7900b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 791e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 792e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 7937f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 794e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 795f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 796b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 7977f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 798193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 799bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 800bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 801bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 8027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 80420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley if (TagType == DeclSpec::TST_struct && 805b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor !Tok.is(tok::identifier) && 806b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.getIdentifierInfo() && 807b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor (Tok.is(tok::kw___is_arithmetic) || 808b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_convertible) || 80920c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_empty) || 810b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_floating_point) || 811b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_function) || 81220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_fundamental) || 813b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_integral) || 814b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_function_pointer) || 815b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_pointer) || 816b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pod) || 817b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pointer) || 818b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_same) || 819877222e2491bbc40a5c74cc100c540983f306b70Douglas Gregor Tok.is(tok::kw___is_scalar) || 820b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_signed) || 821b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_unsigned) || 822b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_void))) { 823b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // GNU libstdc++ 4.2 and libc++ uaw certain intrinsic names as the 824b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // name of struct templates, but some are keywords in GCC >= 4.3 825b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // and Clang. Therefore, when we see the token sequence "struct 826b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // X", make X into a normal identifier rather than a keyword, to 827b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // allow libstdc++ 4.2 and libc++ to work properly. 828646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 829b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 830b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 8311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 832eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 833aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 83408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 83508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 83608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 837193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 838b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 839207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 8409ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 84108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 84208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 84308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 844cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 8452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 8462cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 847cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 848e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 849e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 85039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 851e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 852e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 853e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 854193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 8555ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 856193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 8572cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 8582cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 8592cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 8602cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 861059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 8622cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 863314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 8642cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 8652cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 8662cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 8672cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 868193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 8692cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 870c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 8712cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 8722cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 8732cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 8742cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 8752cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 876193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 877193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 878c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 879c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 880c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 881c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 882c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 883c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 884193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 885c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 886c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 887c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 888c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 889c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 8902cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 891193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 8922cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 893193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 894c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 895c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 896c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 8972cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 8982cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 89939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 90039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 90139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 902cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 903059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 904059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 90539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 90639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 90739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 90839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 90939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 91039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 91139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 91239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 91339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 91639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 91739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 918926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 919926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 920926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 92139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 922cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 923e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 924e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 925926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 926926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 927926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 928926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 929926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 93067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 93167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 932cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // have to be treated differently. If we have 'struct foo {...', 9331d20927fd0a08c26ef0e86e26f42073fd582ff77Anders Carlsson // 'struct foo :...' or 'struct foo final[opt]' then this is a 934cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // definition. Otherwise we have something like 'struct foo xyz', a reference. 935d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 936d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 937d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 938d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 939d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 940d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 941f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 942d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 943f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 944cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson else if (Tok.is(tok::l_brace) || 945cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 9468a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()) { 947d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 948d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 949d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 950d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 951d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 952d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 953d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 954d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 955d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 956f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 957d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 958d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 959f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 960d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 961d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 962f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 963e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 964f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 965e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 966207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 967f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 968207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 969207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 970207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 971207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 972207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 973e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 974e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 97539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 97639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 97739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 978e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 979e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 980e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 981ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 982d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 983d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 9844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 985402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 986f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 9874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 9884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 9891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 99039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 99139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 9924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 993f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 9944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 9954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 99623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 99745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 9994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 10014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 10022b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 10054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 10077f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 100874256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 100974256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 101074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 101174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 101274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 1013f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 1014f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 101574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 1016059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, 1017059101f922de6eb765601459925f4c8914420b23Douglas Gregor StartLoc, 1018059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 1019059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 1020059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 1021059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 1022059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 1023059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->RAngleLoc); 10244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 10254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 10264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 10274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 10284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 10294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 10304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 10314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 10324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 10334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 10344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 10353f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 10364d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 10374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 1038f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 10394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 10414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 10434d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 10444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 1045849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 10464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 10474d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 10484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 10494d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 10504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 10524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 10554d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 10564d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 10574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 10584d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 10594d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 10604d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 106123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 106239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 10632b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 10651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 106639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 10687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 1069f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 1070cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 1071cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 10724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 107339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 10743f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1075f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 10763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 10773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 10783f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 10793f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 10803f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 10813f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 108223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 108345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 10867f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 10879a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 10889a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 10899a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 10909a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 10919a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 10927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 10939a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 10949a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 10959a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 10963f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 10973f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1098f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 10993f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 11003f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 11013f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 1102c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 1103c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1104a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 1105a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 1106a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 1107a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 1108a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 1109a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 1110a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 1111a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 11123f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 11139a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 11147f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 1115a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams, Owned, IsDependent, false, 1116a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, clang::TypeResult()); 1117c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1118c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 1119c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 11209a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 11219a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 112223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1123193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 11249a34edb710917798aa30263374f624f13b594605John McCall } 11253f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1126e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1127e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1128f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1129bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1130cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 11318a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()); 113207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1133212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 113407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1135212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1137e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1138b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1139b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1140b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1141c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 11420daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(DeclSpec::TST_typename, StartLoc, 11430daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1144b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1145c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 11460daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(TagType, StartLoc, 11470daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 11480daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara PrevSpec, DiagID, TagOrTempResult.get(), Owned); 1149c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1150ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 115166e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 115266e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1154b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1155fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1156193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 11574ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 11584ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 11594ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 11604ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 11614ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 11624ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 11634ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1164f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1165b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 11664ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1167b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 11684ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 116999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 117099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 117199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 117299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 117399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 117499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 117599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1176c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 117716acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1178b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1179b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1180b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1181b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1182b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1183b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1184b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 118599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 118699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 118799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 118899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 118999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 119099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 119133f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 1192b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1193b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1194fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // almost no one actually writes code like this. If we see one of these, 1195b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1196b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1197b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1198b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1199b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1200b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1201b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1202b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1203b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1204b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1205b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1206b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1207b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1208b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 12094ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1210193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1211193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 12124ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1213b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1214b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1215b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1216b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1217193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1218b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 12194ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 12204ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 12214ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 12224ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 12234ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 12244ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 12254ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1226193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 12274ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 12284ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1229e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1230e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1232e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1233e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1234e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1235e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1236e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1237e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1238d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1239e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1240e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1241e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1242f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1243ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1244f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1245e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1246e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1247f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 12485ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1249e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1250e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1251f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1252f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1253f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 12545ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1255e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1256e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1257e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1258e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1259e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1261e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1262e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1263e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1264f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1265f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1266beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1267e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1268e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1269e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1270e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1271e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1272e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1273e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1274e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1275e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1276e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1277e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1278e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1279e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1280d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1281e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1282e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1283e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1284e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1285e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1286e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1287e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1288e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1289e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1290e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1291e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 129292f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1293e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 12941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1295e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1296e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1297e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1298e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1299e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1300e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 13011ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1302849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1303e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1304e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1305e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1306e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1307e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1308eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1309eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1310b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1311e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1312e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1313e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 131442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 131542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 13167f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 1317059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, SS); 131831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 131942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1321f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1322f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1323f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1324f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1325f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1326f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1327f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 13281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 13297f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1331e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1332e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1333a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1334f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1335e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1336e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1337e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1338e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1339e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1340e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1341e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1342e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1343e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 13441eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1345e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1346e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1347e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1348e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1349e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1350e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1351e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 13524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1353d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1354d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1355d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1356d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1357d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1359075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1360d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1361d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1362d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1363d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1364d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1365d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1366d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 136723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1368d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1369d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1370d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1371d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1372d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1373d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 13748f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1375d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1376d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1377d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1378d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1379d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1380d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1381d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1382d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1383d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1384d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1385d33133cdc1af466f9c276249b2621be03867888bEli Friedman 13861f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// isCXX0XVirtSpecifier - Determine whether the next token is a C++0x 13871f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 13881f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 13891f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 13901f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 13911f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 1392cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonVirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier() const { 1393ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1394cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1395cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1396b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1397b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 13981f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 13997eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 14007eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 14017eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 14027eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 14037eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 14047eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1405b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1406b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 14071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1408b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1409b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1410b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1411b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1412b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 14131f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 14141f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 14151f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 14161f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 14171f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 14181f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 14191f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1420b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 1421b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1422cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier Specifier = isCXX0XVirtSpecifier(); 1423b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1424b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1425b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1426b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1427b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1428cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 142946127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1430b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1431b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1432b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1433b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1434ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1435ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1436ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << VirtSpecifiers::getSpecifierName(Specifier); 1437b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1438b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 14391f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 14401f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 14418a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// isCXX0XFinalKeyword - Determine whether the next token is a C++0x 14428a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// contextual 'final' keyword. 14438a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlssonbool Parser::isCXX0XFinalKeyword() const { 1444ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 14458a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1446cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 14478a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Tok.is(tok::identifier)) 14488a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1449cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 14508a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson // Initialize the contextual keywords. 14518a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Ident_final) { 14528a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 14538a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1454cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 14558a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson 14568a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return Tok.getIdentifierInfo() == Ident_final; 1457cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1458cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 14594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 14604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 14624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 14634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 14644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 14654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1466511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 14675aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1468bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 14694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 14714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 14724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 14734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 14751f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 14764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 14774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 14784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14791f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 14801f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 14811f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 14821f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 14831f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 14841f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 14851f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 14861f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 14871f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1488e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 14894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 14904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 14924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 14934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 149437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1495c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1496c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 14978a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (Tok.is(tok::at)) { 14988a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (getLang().ObjC1 && NextToken().isObjCAtKeyword(tok::objc_defs)) 14998a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_defs_cxx); 15008a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor else 15018a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_in_class); 15028a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 15038a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor ConsumeToken(); 15048a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor SkipUntil(tok::r_brace); 15058a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor return; 15068a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor } 15078a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 150860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 150960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 151060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 15119ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 151260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 151360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 151460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 151560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 151660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 151760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 151860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 151960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 152060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 152160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1522b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 152360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 152460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 152560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1526b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 152760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 152860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 152960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 153060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 153160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 153260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 153360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 153460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 153560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 153660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 153760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 153823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 153960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 154060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 154160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 154260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 154360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 154460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 154560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 154660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 154760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1548511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1549c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) { 155037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 155197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 155297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1553682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1554682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1556682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 155837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 155997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 15614d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1562682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1563682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 15645aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1565bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1566bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1567bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1568bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1569bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1570c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1571bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 15729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 15734ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 15744ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1575a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1576193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 15770b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 1578bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 15797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 15807f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1581bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 15829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 15837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 15869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 15879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 15889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 15899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 15909cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1591ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 15929cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 15933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 159478b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 159578b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 15969cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 15979cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 15989cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 15999cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 16014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1602c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 16037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 160437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 16054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1606f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1607dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1608dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1609dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 16104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 16114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1612d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 16130f4be74ff0273e505d383f89174ef539828424edChandler Carruth Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS, TemplateParams); 1614c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 161567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 16164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 161707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 161854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 16194867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 16206a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet ExprResult Init; 16214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16223a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1623a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1624a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1625a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 16263a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 16273a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 16283a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 162910bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 16303a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 1631d941fa4ff0d0d64b5a541dbd4f99693bff7f6e8dSebastian Redl SkipUntil(tok::r_brace, true, true); 16323a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 16333a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1634682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 16354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16374867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseOptionalCXX0XVirtSpecifierSeq(VS); 16384867347e82648d3baf09524b98b09c297a5a198fNico Weber 16391b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 16407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 16411b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 16426a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // MSVC permits pure specifier on inline functions declared at class scope. 16436a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // Hence check for =0 before checking for function definition. 16446a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (getLang().Microsoft && Tok.is(tok::equal) && 16456a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet DeclaratorInfo.isFunctionDeclarator() && 16466a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet NextToken().is(tok::numeric_constant)) { 16476a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet ConsumeToken(); 16486a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet Init = ParseInitializer(); 16496a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (Init.isInvalid()) 16506a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet SkipUntil(tok::comma, true, true); 16516a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet } 16526a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet 1653e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt bool IsDefinition = false; 16543a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 1655e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (Tok.is(tok::l_brace)) { 1656e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1657e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (DeclaratorInfo.isFunctionDeclarator()) { 1658e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (Tok.is(tok::colon) || Tok.is(tok::kw_try)) { 1659e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1660e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (Tok.is(tok::equal)) { 1661e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 1662e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (KW.is(tok::kw_default) || KW.is(tok::kw_delete)) 1663e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1664e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1665e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1666e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1667e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (IsDefinition) { 16683a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 16693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 16703a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 16713a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 16729ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 16739ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 16749ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 16759ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1676682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 16773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 16783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 16793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 16803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 16813a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 16823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 16833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 16843a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 16853a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 16869ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 16879ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 16889ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 16899ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1690682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 16913a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 16924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16936a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo, VS, Init); 1694e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1695e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt // Consume the ';' - it's optional unless we have a delete or default 1696e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (Tok.is(tok::semi)) { 16979ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1698e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 16999ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1700682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17013a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 17024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 17054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 17064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 17074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1708d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> DeclsInGroup; 170960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 17104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 17124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 17134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 17144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 17154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 17164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 17174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 17180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 17190e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 17204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 17214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1723b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ParseOptionalCXX0XVirtSpecifierSeq(VS); 17241f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 17254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 17264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 17274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 17284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 17294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1730e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1731e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1732e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1733e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 17344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 17354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 173637bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (Tok.is(tok::kw_delete)) { 1737e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (DeclaratorInfo.isFunctionDeclarator()) 1738e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt Diag(ConsumeToken(), diag::err_default_delete_in_multiple_declaration) 1739e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt << 1 /* delete */; 1740e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt else 1741e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt Diag(ConsumeToken(), diag::err_deleted_non_function); 1742fe2695eec167b28578825576863228f86b392f24Sean Hunt } else if (Tok.is(tok::kw_default)) { 1743e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (DeclaratorInfo.isFunctionDeclarator()) 1744e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt Diag(Tok, diag::err_default_delete_in_multiple_declaration) 1745e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt << 1 /* delete */; 1746e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt else 1747e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt Diag(ConsumeToken(), diag::err_default_special_members); 1748e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1749e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1750e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1751e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1752e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 17534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1755e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1756e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1757e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 175860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1759e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1760e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1761e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1762e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1763e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1764e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1765e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 17664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 17677f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 17684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 176907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1770682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 177107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 177267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1773d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 177467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1775bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 177623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1777bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1778bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 177937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 178023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 178167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 178237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 178367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 1784e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt VS, Init.release(), false); 178537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1786682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1787682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 17884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 178972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 17901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 179172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1792d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 179372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 179472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 179554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 179654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 17974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 17984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 17994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 18004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 18011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 18034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 18041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 18064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 18074867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 180815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 180915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 18101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 18127f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 18134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 18153a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 18164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1818ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1819ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1820ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1821ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1822ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1823682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 18244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 182623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1827ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 18284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 18294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 18314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 18324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 18334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 18344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 18354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 18364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1837d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 183831fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 18394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 184031fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 18414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1842f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 1843f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 18441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 184526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 184626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 184726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 184826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 184923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 185026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 185126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 185226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 185326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 185426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 185526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 185626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 185726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 185826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 185926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 186026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 186126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 186226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 186326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 186426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 186526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 186626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 186726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 18684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 18703218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 18714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18726569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 187326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 18746569d68745c8213709740337d2be52b031384f58Douglas Gregor 1875ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 187623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 1877bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1878b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson SourceLocation FinalLoc; 1879b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 1880b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Parse the optional 'final' keyword. 1881b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (getLang().CPlusPlus && Tok.is(tok::identifier)) { 1882b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 1883b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 1884b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Initialize the contextual keywords. 1885b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (!Ident_final) { 1886b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 1887b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1888b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 1889b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 1890b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (II == Ident_final) 1891b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson FinalLoc = ConsumeToken(); 1892b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 1893b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (!getLang().CPlusPlus0x) 1894b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Diag(FinalLoc, diag::ext_override_control_keyword) << "final"; 1895b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 1896cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1897bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1898bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1899bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1900bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1901bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1902db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1903db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 190423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 1905bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1906bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1907bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1908bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1909bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1910bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1911bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1912bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 191342a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 19142c3ee54e51d835a35bbf781c69e17f39e2ba0480Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, FinalLoc, 1915dfc2f1035d23e294b298766a3cf51dfe249d53a2Anders Carlsson LBraceLoc); 1916f9368159334ff86ea5fa367225c1a580977f3b03John McCall 19174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 19184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 19194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 19204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 19214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 19224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 19234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 19244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 19254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 192607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 192707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 192807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 192907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 193007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 193107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 193207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 193307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 193407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 193507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 193607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 193707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 193807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 193907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 19401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 194107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 194207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 194307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 194407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 194507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 194607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 194707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 194807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 194907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 195007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 195107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 195207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 195307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 19544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 195507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 19564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 195707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 195807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 195907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 19601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 196107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 196207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 196307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 19644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 19670b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 19687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 19694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 197042a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 197123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 197242a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 19737f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 19744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 19764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 19774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 19784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 19794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 198072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 198172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 198207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 19834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 198472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 198572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 1986e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 19876569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 19886569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 1989e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 19904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 199242a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 199323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 1994db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 19954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 19966569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 19978935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 19984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 19997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 20007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 20017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 20027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 20037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 20047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 20057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 20067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 20077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 20087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 20097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 20107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 20117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 20127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 20137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 20147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 20151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 20161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 20177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 20193fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 20203fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 2021d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 20227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 20237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 202428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley // Poison the SEH identifiers so they are flagged as illegal in constructor initializers 202528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); 20267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2028cbb67480094b3bcb5b715acd827cbad55e2a204cSean Hunt llvm::SmallVector<CXXCtorInitializer*, 4> MemInitializers; 20299db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 2030193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 20317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 20320133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 20330133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 20340133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 20350133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 20360133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor ConsumeCodeCompletionToken(); 20370133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 20380133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 20390133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 20400133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 20410133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 20420133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 20430133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 20440133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 20457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 20467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 20477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 20487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 2049b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 2050b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 2051751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 2052751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 2053751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 2054751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 2055751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 20567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 2057d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 20587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 20597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 20607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 20617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 20627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 20631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 20649db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 20659db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 20667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 20677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 20687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 20697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 20707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 20717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 20727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 20737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 20747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 20751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 20767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 20777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 20787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 2079d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 2080bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 2081bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 2082b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 2083b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 2084961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 2085961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 2086961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 2087d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 2088d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 2089059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 2090961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 2091b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 2092961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2093961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2094961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 20951ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 20967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 20977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 20981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 21007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 2101961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 21027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 21037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 21047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 21057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 21061ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 21077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 21087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 21097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 21107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 21117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 2112a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 21137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 21147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 21157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 21167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 21177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 21187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 21197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 21207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 21213fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor SourceLocation EllipsisLoc; 21223fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor if (Tok.is(tok::ellipsis)) 21233fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc = ConsumeToken(); 21243fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor 212523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 2126961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 2127a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 21283fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor ArgExprs.size(), RParenLoc, 21293fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc); 21307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 21310fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 21327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 21330fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 2134a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 21357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 21367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 21377acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 21387acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 21397acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 21407acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 21417acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 21427acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlParser::MaybeParseExceptionSpecification(SourceRange &SpecificationRange, 21437acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &DynamicExceptions, 21447acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 21457acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr) { 21467acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 21477acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 21487acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 21497acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 21507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 21517acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 21527acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 21537acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 21547acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 21557acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 21567acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 21577acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 21587acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 21597acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 21607acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 21617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 21627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 21637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 21647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 21657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 21667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 21677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 21687acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 21697acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation LParenLoc = ConsumeParen(); 21707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 21717acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 217260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // The argument must be contextually convertible to bool. We use 217360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // ActOnBooleanCondition for this purpose. 217460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr.isInvalid()) 217560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr = Actions.ActOnBooleanCondition(getCurScope(), KeywordLoc, 217660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr.get()); 21777acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 21787acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, RParenLoc); 21797acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 21807acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 21817acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 21827acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 21837acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 21847acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 21857acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 21867acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 21877acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 21887acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 21897acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 21907acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 21917acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 21927acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 21937acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 21947acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 21957acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 21967acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 21977acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 21987acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 21997acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 22007acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 22017acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 22027acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 22037acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 22047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 22057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 22067acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 2207a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 2208a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 22091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2210a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 2211a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 2212a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 22130fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 22147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 22157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 22167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &Exceptions, 22177acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &Ranges) { 22180fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22207acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22220fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 22237acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 22247acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 222560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_DynamicNone; 22260fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 22270fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 22280fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 2229a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 2230a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 2231a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 2232a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 2233a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 2234a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 22357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 22367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(RParenLoc); 223760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_MSAny; 2238a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 2239a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 22400fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 2241ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 22420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 2243ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 22447acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2245a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 2246a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 2247a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 2248a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 2249a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 22507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 2251a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 2252a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 2253a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 22547acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2255ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 22567dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 2257ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 2258ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 2259a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 22600fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 22610fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 22627dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 22630fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 22640fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 22650fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 22667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(MatchRHSPunctuation(tok::r_paren, LParenLoc)); 226760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return Exceptions.empty() ? EST_DynamicNone : EST_Dynamic; 22680fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 22696569d68745c8213709740337d2be52b031384f58Douglas Gregor 2270dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 2271dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2272dab60ad68a3a98d687305941a3852e793705f945Douglas GregorTypeResult Parser::ParseTrailingReturnType() { 2273dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2274dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2275dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2276dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2277dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2278dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2279dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2280dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2281dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2282dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2283dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2284dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2285dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor SourceRange Range; 2286dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2287dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2288dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 22896569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 22906569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 22916569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2292eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 2293eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 229426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 22956569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 229626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 2297eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 22986569d68745c8213709740337d2be52b031384f58Douglas Gregor} 22996569d68745c8213709740337d2be52b031384f58Douglas Gregor 23006569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 23016569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 23026569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2303d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2304d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 23056569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 23066569d68745c8213709740337d2be52b031384f58Douglas Gregor} 23076569d68745c8213709740337d2be52b031384f58Douglas Gregor 23086569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 23096569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 23106569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 23116569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 23126569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 23136569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 23146569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 23156569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 23166569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 2317eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 23186569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 23191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2320eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 2321eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 23226569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 23236569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 23246569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 23256569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 23266569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 23276569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 23286569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 23291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 23306569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 23316569d68745c8213709740337d2be52b031384f58Douglas Gregor 2332d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 23336569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 23346569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 23356569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 23366569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2337d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 23386569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 23396569d68745c8213709740337d2be52b031384f58Douglas Gregor } 23406569d68745c8213709740337d2be52b031384f58Douglas Gregor 23416569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 23426569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 23436569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 234423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2345d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 234623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 23476569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2348bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2349bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 2350bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 2351bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2352bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2353bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 2354bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2355bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2356bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2357bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2358bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2359bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2360bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2361bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2362bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2363bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2364bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2365bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2366bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2367bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2368bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2369bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2370bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2371bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2372bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2373bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2374bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2375bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2376bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2377bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2378bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2379bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2380bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2381bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2382bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2383bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 23847f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 23857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2386bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2387bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2388bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2389bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 2390bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2391bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2392bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2393193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2394bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2395bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2396bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2397bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2398bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2399bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2400bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2401bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2402bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2403bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2404bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2405bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2406bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2407bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2408193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2409bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2410bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2411bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2412bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2413bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2414bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2415bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2416bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2417bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2418193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2419bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2420bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2421bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2422bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2423bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2424bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2425bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2426bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2427bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2428bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2429bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2430bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2431bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2432bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 24337725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 243415e14a289583616e582a23b320933e846a742626Anders Carlsson case AttributeList::AT_noreturn: { 2435bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2436bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2437bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2438bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2439bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2440bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 24410b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 0, 24420b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation(), 0, 0, false, true); 2443bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2444bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2445bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2446bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2447bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2448bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2449bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2450bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2451bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2452bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2453bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2454bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2455bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 245660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2457bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2458bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2459bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2460bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2461bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 24620b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 24630b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 0, ParamLoc, ArgExprs.take(), 1, 24640b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, true); 2465bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2466bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2467bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2468bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2469bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2470bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2471bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2472bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2473bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2474bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2475bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2476bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2477bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2478bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2479bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2480bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2481bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2482bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2483bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2484bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2485bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2486bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2487bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2488bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 24897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.Range = SourceRange(StartLoc, Loc); 2490bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2491bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2492bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2493bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2494bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2495bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2496bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2497bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2498bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2499bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 250060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2501bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2502f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 2503bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2504b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = ParseTypeName().get(); 2505bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2506f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return Actions.ActOnUnaryExprOrTypeTraitExpr(TypeLoc, UETT_AlignOf, true, 2507f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Ty.getAsOpaquePtr(), TypeRange); 2508bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2509bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2510bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2511334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2512334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2513334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2514334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2515334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2516334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2517334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2518334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2519334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 25207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 25217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2522334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2523334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2524334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2525334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2526334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 25277f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2528334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2529334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2530334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2531