ParseDeclCXX.cpp revision 0b7e678a11ece4288dc01aebb5b17e5eef8f8d2d
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)) { 20535f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 20723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 208074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 210f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 21163a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 21263a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 2137f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 214bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 215f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 216f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 2170b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 2187f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 2207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 221f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 222c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 223f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 2247d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 2257d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner RBrace); 226c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 227e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 228f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 229f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 230d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 23178b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 23278b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 2337f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange &attrs) { 234f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 235f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 236f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 237f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 238f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 23949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 24023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 241dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 24249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 243193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 24478b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 24578b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 24678b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 24778b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 24878b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 24978b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 25078b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 25178b810559d89e996e00684335407443936ce34a1John McCall } 25278b810559d89e996e00684335407443936ce34a1John McCall 2537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 25478b810559d89e996e00684335407443936ce34a1John McCall } 255bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 25678b810559d89e996e00684335407443936ce34a1John McCall // Otherwise, it must be a using-declaration. 25778b810559d89e996e00684335407443936ce34a1John McCall 25878b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 2597f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 2602f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 26178b810559d89e996e00684335407443936ce34a1John McCall return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd); 262f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 263f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 264f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 265f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 274d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 27578b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 27678b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 2777f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 278f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 279f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 280f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 281f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 282f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 28349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 28423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 285dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 28649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 287193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 288f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 289f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 290b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 291f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 292f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 293f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 294f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 295f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 296823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 297f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 298f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 300f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 301d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 305823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 306823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 309bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 310bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 311bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 3127f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 313bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 315823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 31697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 3176869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 3189ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 3199ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 3209ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 321f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 32223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 3237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 324f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 325f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 326f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 327f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 328f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 330f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 333f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 334d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 33578b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 33678b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 33778b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 33878b810559d89e996e00684335407443936ce34a1John McCall AccessSpecifier AS) { 3399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3407ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 34378b810559d89e996e00684335407443936ce34a1John McCall // TODO: in C++0x, if we have template parameters this must be a 34478b810559d89e996e00684335407443936ce34a1John McCall // template alias: 34578b810559d89e996e00684335407443936ce34a1John McCall // template <...> using id = type; 34678b810559d89e996e00684335407443936ce34a1John McCall 3479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 34812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3507ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 358b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3609cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3619cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3629cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 363d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 36712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 36812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 36912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 370193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 37112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 37212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 373193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 374b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 37512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3769cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 377d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 379193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3810b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 3827f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 3877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall !attrs.empty() ? "attributes list" : "using declaration", 38812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 39078b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 39178b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 39278b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 39378b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 39478b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 39578b810559d89e996e00684335407443936ce34a1John McCall 39678b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 39778b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 39878b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 39978b810559d89e996e00684335407443936ce34a1John McCall return 0; 40078b810559d89e996e00684335407443936ce34a1John McCall } 40178b810559d89e996e00684335407443936ce34a1John McCall 4028113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, 4037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, attrs.getList(), 4047f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IsTypeName, TypenameLoc); 405f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 406f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 407511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 408511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 409511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 410511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 411511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 412d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 413511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 414511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 417511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 418d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 419511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 421511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 422e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 42360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 424511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 425511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 426d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 427511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 430d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 431ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 432511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 433511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 434511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 435d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 436511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 440d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 441511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 442a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 4459ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 446511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4479ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 4489ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 449a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara AssertMessage.take(), 450a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RParenLoc); 451511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 452511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4546fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4596fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4616fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4646fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4656fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4666fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4676fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4696fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4716fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4726fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4736fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 474f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 47560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 4766fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4776fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4786fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4796fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4816fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4826fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4836fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4846fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4856fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4866fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4886fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4896fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4906fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4916fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 492fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4936fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 495fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 496fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4976fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4986fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 49942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 50042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 50142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 5027f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 50342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 50442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 50542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 50642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 5077f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 5081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 50931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 510059101f922de6eb765601459925f4c8914420b23Douglas Gregor CXXScopeSpec &SS) { 5117f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 5127f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 5147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 515d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 516d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 517059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 5187f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5197f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 520b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 5217f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 5227f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 52331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 52431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 52531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 52631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 5277f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5287f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5297f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 5307f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5317f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 53242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 5331ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 53431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 53542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 53642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 53784d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 53884d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 53984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 54084d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 54184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 54284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 54384d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 54484d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 54523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 546059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 54784d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 54884d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 54984d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 550193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 55284d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 55384d0a19828599e8623223632d59447fd498999cfDouglas Gregor 554193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 55584d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 55684d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 557193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 55984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 56084d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 56184d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 56284d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 563059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 564193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 56584d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 56684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 56784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 56884d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 569193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 57084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 57184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 57284d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 573b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 57484d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 57584d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 57684d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 57784d0a19828599e8623223632d59447fd498999cfDouglas Gregor 57842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 579059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 5809e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 5819e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true); 582193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 583124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 58431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 58542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 58642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 58742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 58884d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 5895606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5905606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 5910b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 5925606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 5935606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 594059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 5955606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5965606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 5975606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 5985606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 5995606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 6005606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 6015606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 60242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 60342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 604e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 605e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 606e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 607d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 608e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 609e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 610e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 612e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 613e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 614e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 615e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 616e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 617e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 619e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 621e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 622e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 623e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 624e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 625e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 626e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 627e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 631e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 632e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 633e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 634e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 635e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 636e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 637e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 638e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 639e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 640e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 641e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 642e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 643e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 6444c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 6454c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 6464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 647d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 6484c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 6494c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 6504c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 6514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 6524c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 6534c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 6544c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 6554c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6564c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 657e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 658374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 659374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 66023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 661dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 662374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 663193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 664926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 665926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 666926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 667926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 668926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 669926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 670926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 671926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 672926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 673926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 674926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 675926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 676926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 677926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 6780b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 679e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 680e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 6817f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 682e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 683f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 684b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 6857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 686193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 687bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 688bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 689bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 6907f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 692b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 693b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 694b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 696b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 697b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 698646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 699b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 700b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 701b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 702b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 703b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 704b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 706b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 707b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 708646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 709b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 710b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 7111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 712eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 713aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 71408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 71508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 71608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 717193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 718b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 719207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 7209ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 72108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 72208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 72308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 724cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 7252cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 7262cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 727cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 728e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 729e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 73039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 731e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 732e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 733e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 734193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7355ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 736193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 7372cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 7382cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 7392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 7402cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 741059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 7422cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 743314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 7442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 7452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 7462cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 7472cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 748193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7492cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 750c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 7512cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 7522cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 7532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 7542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 7552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 756193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 757193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 758c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 759c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 760c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 761c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 762c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 763c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 764193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 765c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 766c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 767c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 768c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 769c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7702cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 771193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7722cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 773193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 774c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 775c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 776c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 7782cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 77939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 78039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 78139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 782cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 783059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 784059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 78539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 78639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 78739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 78839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 78939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 79039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 79139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 79239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 79339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 79639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 79739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 798926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 799926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 800926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 80139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 802cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 803e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 804e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 805926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 806926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 807926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 808926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 809926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 81067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 81167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 812cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // have to be treated differently. If we have 'struct foo {...', 813cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // 'struct foo :...' or 'struct foo <class-virt-specifier>' then this is a 814cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // definition. Otherwise we have something like 'struct foo xyz', a reference. 815d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 816d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 817d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 818d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 819d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 820d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 821f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 822d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 823f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 824cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson else if (Tok.is(tok::l_brace) || 825cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 826cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson isCXX0XClassVirtSpecifier() != ClassVirtSpecifiers::CVS_None) { 827d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 828d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 829d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 830d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 831d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 832d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 833d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 834d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 835d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 836f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 837d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 838d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 839f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 840d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 841d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 842f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 843e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 844f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 845e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 846207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 847f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 848207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 849207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 850207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 851207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 852207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 853e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 854e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 85539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 85639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 85739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 858e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 859e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 860e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 861ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 862d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 863d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 8644d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 865402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 866f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 8674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 8684d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 87039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 87139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 8724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 873f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 8744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 8754d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 87623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 87745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8794d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8822b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8854d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 8877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 88874256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 88974256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 89074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 89174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 89274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 893f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 894f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 89574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 896059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, 897059101f922de6eb765601459925f4c8914420b23Douglas Gregor StartLoc, 898059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 899059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 900059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 901059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 902059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 903059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->RAngleLoc); 9044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 9054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 9064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 9074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 9084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 9104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 9114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 9124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 9134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 9144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 9153f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 9164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 9174d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 918f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 9194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 9214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 9234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 9244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 925849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 9264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 9284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 9294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 9304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 9324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 9354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 9364d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 9374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 9384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 9404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 94123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 94239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 9432b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 9451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 94639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 9471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 9487f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 949f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 950cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 951cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 9524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 95339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 9543f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 955f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 9563f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 9573f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 9583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9593f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 9603f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9613f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 96223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 96345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 9641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 9651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 9667f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 9679a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 9689a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 9699a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 9709a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 9719a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 9727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 9739a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 9749a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 9759a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 9763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 9773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 978f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 9793f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 9803f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 9813f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 982c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 983c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 984a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 985a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 986a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 987a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 988a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 989a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 990a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 991a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 9923f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 9939a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 9947f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 995a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams, Owned, IsDependent, false, 996a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, clang::TypeResult()); 997c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 998c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 999c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 10009a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 10019a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 100223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1003193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 10049a34edb710917798aa30263374f624f13b594605John McCall } 10053f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1006e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1007e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1008f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1009bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1010cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 1011cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson isCXX0XClassVirtSpecifier() != ClassVirtSpecifiers::CVS_None); 101207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1013212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 101407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1015212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1016e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1017e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1018b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1019b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1020b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1021c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 10220daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(DeclSpec::TST_typename, StartLoc, 10230daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1024b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1025c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 10260daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(TagType, StartLoc, 10270daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 10280daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara PrevSpec, DiagID, TagOrTempResult.get(), Owned); 1029c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1030ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 103166e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 103266e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1034b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1035fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1036193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 10374ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 10384ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 10394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 10404ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 10414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 10424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 10434ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1044f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1045b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 10464ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1047b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 10484ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 104999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 105099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 105199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 105299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 105399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 105499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 105599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1056c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 105716acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1058b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1059b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1060b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1061b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1062b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1063b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1064b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 106599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 106699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 106799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 106899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 106999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 107099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 107133f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 1072b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1073b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1074b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 1075b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1076b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1077b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1078b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1079b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1080b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1081b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1082b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1083b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1084b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1085b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1086b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1087b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1088b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 10894ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1090193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1091193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 10924ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1093b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1094b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1095b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1096b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1097193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1098b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 10994ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 11004ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 11014ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 11024ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 11034ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 11044ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 11054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1106193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 11074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 11084ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1109e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1110e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1112e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1113e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1114e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1115e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1116e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1118d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1119e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1120e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1121e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1122f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1123ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1124f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1126e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1127f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 11285ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1129e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1130e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1131f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1132f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1133f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 11345ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1135e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1137e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1138e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1139e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 11401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1141e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1142e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1143e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1144f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1145f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1146beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1147e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1148e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1149e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1150e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1156e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1157e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1158e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1160d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1162e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1163e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1164e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1165e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1166e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1167e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1168e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1169e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1170e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1171e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 117292f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1175e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1176e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1177e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1178e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1179e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1180e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 11811ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1182849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1183e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1184e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1185e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1186e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1187e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1188eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1189eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1190b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1191e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1192e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1193e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 119442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 119542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 11967f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 1197059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, SS); 119831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 119942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 12001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1201f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1202f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1203f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1204f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1205f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1206f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1207f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 12097f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1211e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1212e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1213a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1214f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1215e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1216e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1217e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1218e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1219e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1220e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1221e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1222e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1223e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1225e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1226e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1227e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1228e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1229e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1230e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1231e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 12324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1233d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1234d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1235d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1236d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1237d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1239075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1240d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1241d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1242d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1243d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1244d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1245d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1246d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 124723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1248d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1249d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1250d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1251d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1252d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1253d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 12548f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1255d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1256d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1257d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1258d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1259d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1260d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1261d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1262d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1263d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1264d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1265d33133cdc1af466f9c276249b2621be03867888bEli Friedman 12661f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// isCXX0XVirtSpecifier - Determine whether the next token is a C++0x 12671f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 12681f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 12691f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 12701f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 12711f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 12721f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 1273cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonVirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier() const { 1274ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1275cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1276cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 12771f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson if (Tok.is(tok::kw_new)) 1278b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_New; 1279b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1280b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1281b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 12821f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 12837eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 12847eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 12857eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 12867eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 12877eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 12887eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1289b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1290b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 12911f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1292b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1293b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1294b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1295b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1296b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 12971f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 12981f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 12991f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 13001f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 13011f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 13021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 13031f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1304b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 1305b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1306cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier Specifier = isCXX0XVirtSpecifier(); 1307b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1308b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1309b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1310b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1311b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1312cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 131346127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1314b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1315b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1316b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1317b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1318ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1319ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1320ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << VirtSpecifiers::getSpecifierName(Specifier); 1321b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1322b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 13231f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 13241f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1325cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// isCXX0XClassVirtSpecifier - Determine whether the next token is a C++0x 1326cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier. 1327cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// 1328cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier: 1329cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// final 1330cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// explicit 1331cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonClassVirtSpecifiers::Specifier Parser::isCXX0XClassVirtSpecifier() const { 1332ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1333cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_None; 1334cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1335cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (Tok.is(tok::kw_explicit)) 1336cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_Explicit; 1337cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1338cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (Tok.is(tok::identifier)) { 1339cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 1340cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1341cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // Initialize the contextual keywords. 1342cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (!Ident_final) { 1343cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 1344cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1345cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 1346cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1347cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (II == Ident_final) 1348cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_Final; 1349cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 1350cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1351cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_None; 1352cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1353cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1354cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// ParseOptionalCXX0XClassVirtSpecifierSeq - Parse a class-virt-specifier-seq. 1355cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// 1356cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier-seq: 1357cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier 1358cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier-seq class-virt-specifier 1359cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlssonvoid Parser::ParseOptionalCXX0XClassVirtSpecifierSeq(ClassVirtSpecifiers &CVS) { 1360cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson while (true) { 1361cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ClassVirtSpecifiers::Specifier Specifier = isCXX0XClassVirtSpecifier(); 1362cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (Specifier == ClassVirtSpecifiers::CVS_None) 1363cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return; 1364cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1365cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // C++ [class]p1: 1366cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // A class-virt-specifier-seq shall contain at most one of each 1367cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // class-virt-specifier. 1368cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 1369cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (CVS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1370cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_class_virt_specifier) 1371cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson << PrevSpec 1372cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1373ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson 1374ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1375ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1376ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << ClassVirtSpecifiers::getSpecifierName(Specifier); 1377ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson 1378cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ConsumeToken(); 1379cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 1380cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1381cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 13824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 13834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 13854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 13864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 13874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 13884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1389511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 13905aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1391bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 13924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 13944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 13954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 13964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 13981f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 13994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 14004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 14014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 14031f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 14041f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 14051f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 14061f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 14071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 14081f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 14091f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 14101f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1411e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 14124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 14134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 14154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 14164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 141737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1418c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1419c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 142060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 142160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 142260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 14239ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 142460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 142560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 142660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 142760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 142860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 142960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 143060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 143160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 143260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 143360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1434b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 143560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 143660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 143760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1438b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 143960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 144060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 144160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 144260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 144360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 144460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 144560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 144660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 144760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 144860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 144960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 145023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 145160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 145260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 145360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 145460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 145560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 145660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 145760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 145860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 145960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1460511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1461682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 146237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 146397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 146497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1465682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1466682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1468682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 147037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 147197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 14734d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1474682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1475682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 14765aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1477bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1478bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1479bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1480bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1481bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1482c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1483bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 14849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 14854ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 14864ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1487a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1488193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 14890b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 1490bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 14917f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 14927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1493bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 14949cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 149537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1496193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 14977f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 14981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14999cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 15009cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 15019cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 15029cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 15039cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 15049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1505ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 15069cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 15079cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 150878b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 150978b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 15109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 15119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 15129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 15139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 15144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 15154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1516c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 15177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 151837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 15194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1520f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1521dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1522dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1523dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 15244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 15254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1526d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 1527c9068d7dd94d439cec66c421115d15303e481025John McCall Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 1528c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 152967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 15304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 153107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 153254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 15334867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 15344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15353a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1536a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1537a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1538a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 15393a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 15403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 15413a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 154210bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 15433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 15444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15453a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 15463a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1547682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15504867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseOptionalCXX0XVirtSpecifierSeq(VS); 15514867347e82648d3baf09524b98b09c297a5a198fNico Weber 15521b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 15537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 15541b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 15553a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 15567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1557d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1558d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 15593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 15603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 15613a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 15623a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15639ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 15649ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15659ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15669ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1567682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15683a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 15703a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 15713a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 15723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 15733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 15743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 15753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 15763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15779ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 15789ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15799ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15809ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1581682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15844867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo, VS); 15859ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15869ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15879ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 15889ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1589682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15903a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 15944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 15954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 15964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1597d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> DeclsInGroup; 159860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 159960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Init; 1600e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 16014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 16034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 16044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 16054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 16064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 16074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 16084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 16090e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 16100e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 16114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 16124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1614b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ParseOptionalCXX0XVirtSpecifierSeq(VS); 16151f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 16164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 16174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 16184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 16194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 16204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1621e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1622e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1623e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1624e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 16254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 16264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 162737bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (Tok.is(tok::kw_delete)) { 162837bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (!getLang().CPlusPlus0x) 162937bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson Diag(Tok, diag::warn_deleted_function_accepted_as_extension); 1630e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1631e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1632e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1633e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1634e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1635e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1636e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 16374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1639e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1640e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1641e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 164260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1643e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1644e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1645e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1646e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1647e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1648e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1649e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 16504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 16517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 16524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 165307952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1654682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 165507952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 165667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1657d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 165867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1659bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 166023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1661bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1662bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 166337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 166423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 166567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 166637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 166767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 166869a87357310260c4b2c5dce2cdcd10c3fd3a0a58Anders Carlsson VS, Init.release(), 1669d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 167067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 167137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1672682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1673682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 16744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 167572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 16761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 167772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1678d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 167972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 168072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 168154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 168254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 16834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 16844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 16854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 16864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 16894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 16901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 16924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 16934867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 169415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 169515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1696e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 16971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 16997f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 17004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17013a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 17023a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 17034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1705ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1706ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1707ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1708ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1709ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1710682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 171323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1714ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 17154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 17164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 17184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 17194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 17204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 17214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 17224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 17234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1724d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 172531fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 17264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 172731fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 17284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1729f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 1730f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 17311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 173226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 173326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 173426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 173526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 173623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 173726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 173826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 173926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 174026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 174126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 174226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 174326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 174426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 174526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 174626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 174726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 174826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 174926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 175026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 175126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 175226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 175326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 175426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 17554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 17573218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 17584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17596569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 176026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 17616569d68745c8213709740337d2be52b031384f58Douglas Gregor 1762ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 176323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 1764bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1765cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ClassVirtSpecifiers CVS; 1766cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ParseOptionalCXX0XClassVirtSpecifierSeq(CVS); 1767cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1768bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1769bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1770bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1771bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1772bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1773db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1774db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 177523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 1776bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1777bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1778bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1779bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1780bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1781bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1782bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1783bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 178442a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 1785dfc2f1035d23e294b298766a3cf51dfe249d53a2Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, CVS, 1786dfc2f1035d23e294b298766a3cf51dfe249d53a2Anders Carlsson LBraceLoc); 1787f9368159334ff86ea5fa367225c1a580977f3b03John McCall 17884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 17894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 17904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 17914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 17924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 17934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 17944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 17954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 17964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 179707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 179807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 179907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 180007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 180107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 180207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 180307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 180407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 180507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 180607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 180707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 180807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 180907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 181007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 18111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 181307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 181407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 181507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 181607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 181707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 181807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 181907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 182007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 182107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 182207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 182307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 182407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 18254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 182607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 18274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 182807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 182907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 183007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 18311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 183307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 183407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 18354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 18380b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 18397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 18404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 184142a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 184223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 184342a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 18447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 18454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 18474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 18484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 18494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 18504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 185172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 185272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 185307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 18544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 185572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 185672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 1857e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 18586569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 18596569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 1860e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 18614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 186342a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 186423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 1865db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 18664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 18676569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 18688935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 18694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 18707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 18727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 18737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 18747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 18757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 18777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 18787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 18797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 18807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 18817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 18827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 18837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 18847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 18857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 18871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 18887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 18903fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 18913fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 1892d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 18937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 18947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 18961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1897cbb67480094b3bcb5b715acd827cbad55e2a204cSean Hunt llvm::SmallVector<CXXCtorInitializer*, 4> MemInitializers; 18989db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1899193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 19007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 19010133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 19020133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 19030133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 19040133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 19050133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor ConsumeCodeCompletionToken(); 19060133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 19070133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 19080133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 19090133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 19100133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 19110133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 19120133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 19130133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 19147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 19157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 19167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 19177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 1918b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 1919b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 1920751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 1921751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 1922751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 1923751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 1924751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 19257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1926d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 19277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 19287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 19297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 19317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 19339db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 19349db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 19357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 19367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 19387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 19397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 19407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 19417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 19427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 19437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 19441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 19457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 19467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 19477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1948d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 1949bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1950bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 1951b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 1952b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 1953961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1954961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1955961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1956d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1957d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1958059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 1959961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1960b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 1961961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1962961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1963961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 19641ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 19657ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 19697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1970961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 19717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 19727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 19747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 19751ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 19767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 19797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1981a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 19827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 19837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 19847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 19857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 19897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19903fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor SourceLocation EllipsisLoc; 19913fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor if (Tok.is(tok::ellipsis)) 19923fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc = ConsumeToken(); 19933fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor 199423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 1995961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1996a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 19973fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor ArgExprs.size(), RParenLoc, 19983fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc); 19997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 20000fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 20017acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 20020fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 2003a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 20047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 20057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 20067acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 20077acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 20087acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 20097acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 20107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 20117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlParser::MaybeParseExceptionSpecification(SourceRange &SpecificationRange, 20127acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &DynamicExceptions, 20137acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 20147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr) { 20157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 20167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20177acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 20187acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 20197acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 20207acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 20217acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 20227acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 20237acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 20247acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20257acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20267acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 20277acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 20287acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 20297acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20307acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 20317acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 20327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 20337acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 20347acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 20367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 20377acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 20387acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation LParenLoc = ConsumeParen(); 20397acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 20407acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 204160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // The argument must be contextually convertible to bool. We use 204260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // ActOnBooleanCondition for this purpose. 204360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr.isInvalid()) 204460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr = Actions.ActOnBooleanCondition(getCurScope(), KeywordLoc, 204560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr.get()); 20467acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 20477acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, RParenLoc); 20487acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 20497acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 20507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 20517acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 20527acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20537acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20547acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 20557acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 20567acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 20577acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20587acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 20597acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 20607acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 20617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 20627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 20637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 20647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 20667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 20677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20687acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20697acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 20707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 20717acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20727acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 20737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 20747acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 20757acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 2076a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 2077a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 20781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2079a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 2080a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 2081a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 20820fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 20837acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 20847acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 20857acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &Exceptions, 20867acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &Ranges) { 20870fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 20881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20897acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 20901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20910fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 20927acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 20937acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 209460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_DynamicNone; 20950fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 20960fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 20970fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 2098a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 2099a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 2100a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 2101a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 2102a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 2103a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 21047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 21057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(RParenLoc); 210660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_MSAny; 2107a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 2108a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 21090fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 2110ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 21110fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 2112ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 21137acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2114a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 2115a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 2116a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 2117a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 2118a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 21197acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 2120a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 2121a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 2122a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 21237acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2124ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 21257dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 2126ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 2127ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 2128a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 21290fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 21300fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 21317dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 21320fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 21330fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 21340fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 21357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(MatchRHSPunctuation(tok::r_paren, LParenLoc)); 213660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return Exceptions.empty() ? EST_DynamicNone : EST_Dynamic; 21370fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 21386569d68745c8213709740337d2be52b031384f58Douglas Gregor 2139dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 2140dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2141dab60ad68a3a98d687305941a3852e793705f945Douglas GregorTypeResult Parser::ParseTrailingReturnType() { 2142dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2143dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2144dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2145dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2146dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2147dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2148dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2149dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2150dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2151dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2152dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2153dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2154dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor SourceRange Range; 2155dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2156dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2157dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 21586569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 21596569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 21606569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2161eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 2162eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 216326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 21646569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 216526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 2166eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 21676569d68745c8213709740337d2be52b031384f58Douglas Gregor} 21686569d68745c8213709740337d2be52b031384f58Douglas Gregor 21696569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 21706569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 21716569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2172d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2173d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 21746569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 21756569d68745c8213709740337d2be52b031384f58Douglas Gregor} 21766569d68745c8213709740337d2be52b031384f58Douglas Gregor 21776569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 21786569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 21796569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 21806569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 21816569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 21826569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 21836569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 21846569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 21856569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 2186eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 21876569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 21881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2189eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 2190eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 21916569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 21926569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 21936569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 21946569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 21956569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 21966569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 21976569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 21981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 21996569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 22006569d68745c8213709740337d2be52b031384f58Douglas Gregor 2201d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 22026569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 22036569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 22046569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 22056569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2206d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 22076569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 22086569d68745c8213709740337d2be52b031384f58Douglas Gregor } 22096569d68745c8213709740337d2be52b031384f58Douglas Gregor 22106569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 22116569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 22126569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 221323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2214d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 221523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 22166569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2217bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2218bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 2219bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 2220bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2221bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2222bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 2223bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2224bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2225bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2226bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2228bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2229bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2230bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2231bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2232bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2233bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2234bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2235bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2236bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2237bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2238bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2239bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2240bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2241bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2242bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2243bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2244bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2245bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2246bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2247bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2248bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2249bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2250bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2251bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2252bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 22537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 22547f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2255bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2256bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2257bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2258bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 2259bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2260bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2261bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2262193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2263bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2264bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2265bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2266bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2267bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2268bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2269bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2270bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2271bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2272bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2273bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2274bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2275bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2276bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2277193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2278bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2279bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2280bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2281bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2282bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2283bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2284bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2285bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2286bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2287193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2288bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2289bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2290bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2291bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2292bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2293bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2294bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2295bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2296bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2297bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2298bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2299bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2300bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2301bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 23027725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 230315e14a289583616e582a23b320933e846a742626Anders Carlsson case AttributeList::AT_noreturn: { 2304bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2305bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2306bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2307bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2308bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2309bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 23100b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 0, 23110b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation(), 0, 0, false, true); 2312bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2313bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2314bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2315bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2316bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2317bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2318bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2319bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2320bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2321bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2322bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2323bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2324bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 232560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2326bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2327bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2328bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2329bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2330bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 23310b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 23320b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 0, ParamLoc, ArgExprs.take(), 1, 23330b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, true); 2334bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2335bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2336bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2337bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2338bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2339bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2340bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2341bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2342bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2343bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2344bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2345bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2346bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2347bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2348bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2349bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2350bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2351bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2352bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2353bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2354bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2355bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2356bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2357bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 23587f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.Range = SourceRange(StartLoc, Loc); 2359bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2360bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2361bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2362bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2363bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2364bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2365bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2366bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2367bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2368bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 236960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2370bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2371f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 2372bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2373b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = ParseTypeName().get(); 2374bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2375f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return Actions.ActOnUnaryExprOrTypeTraitExpr(TypeLoc, UETT_AlignOf, true, 2376f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Ty.getAsOpaquePtr(), TypeRange); 2377bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2378bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2379bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2380334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2381334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2382334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2383334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2384334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2385334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2386334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2387334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2388334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 23897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 23907f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2391334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2392334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2393334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2394334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2395334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 23967f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2397334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2398334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2399334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2400