ParseDeclCXX.cpp revision 7eeb4ec11043d4860361348f2b19299d957d47a9
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. 727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 736a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 746a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 756a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 768f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 777f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 786a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 806a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 817f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.empty()) 826a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 83d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl if (InlineLoc.isValid()) 84d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Diag(InlineLoc, diag::err_inline_namespace_alias) 85d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl << FixItHint::CreateRemoval(InlineLoc); 866a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 8797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 886a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 905144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 925144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 93d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 945144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 965144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 972d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 9823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 9923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 10023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 10195f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor Diag(LBrace, diag::err_namespace_nonnamespace_scope); 10295f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 103d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 10495f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 10595f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 10688e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 10788e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl if (!getLang().CPlusPlus0x && InlineLoc.isValid()) 10888e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl Diag(InlineLoc, diag::ext_inline_namespace); 10988e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1105144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1115144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1122d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 113d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 114d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, IdentLoc, Ident, 1157f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall LBrace, attrs.getList()); 1162d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 117f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, NamespcDecl, NamespaceLoc, 118f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing namespace"); 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 120bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrs; 1227f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 1237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1247f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 125bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1275144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1285144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1298ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 13097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 13197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1322d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 13397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1345144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 136c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 137f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 138f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 139f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 140d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 14297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 14397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 144f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 14923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 150dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 15149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 152193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 153f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 154f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 155b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 156f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 157f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 158f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 159f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 160f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 161d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 162f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 163f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 164f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 16503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 16603bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 168f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 16997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1706869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1716869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 17403bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 175f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 176f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 177c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 178c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 179c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 180c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 181c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 182c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 183c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 1847d64271b162eaf5cae264ff64465b28af623dc17Chris LattnerDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, unsigned Context) { 185c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 186193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 187453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 188453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor llvm::StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 189453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 190d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 191c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 192c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 193c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 194074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 195d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *LinkageSpec 19623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 197074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 198d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 1991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 200074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 201074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 2027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrs; 2037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2047f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 205193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 206074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 20735f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 20923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 210074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 212f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 21363a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 21463a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 2157f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 216bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 217f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 218f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 2197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrs; 2207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 2227f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 223f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 224c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 225f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 2267d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 2277d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner RBrace); 228c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 229e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 230f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 231f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 232d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 23378b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 23478b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 2357f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange &attrs) { 236f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 237f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 238f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 239f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 24149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 24223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 243dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 24449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 245193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 24678b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 24778b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 24878b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 24978b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 25078b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 25178b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 25278b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 25378b810559d89e996e00684335407443936ce34a1John McCall } 25478b810559d89e996e00684335407443936ce34a1John McCall 2557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 25678b810559d89e996e00684335407443936ce34a1John McCall } 257bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 25878b810559d89e996e00684335407443936ce34a1John McCall // Otherwise, it must be a using-declaration. 25978b810559d89e996e00684335407443936ce34a1John McCall 26078b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 2617f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 2622f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 26378b810559d89e996e00684335407443936ce34a1John McCall return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd); 264f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 265f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 274f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 276d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 27778b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 27878b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 2797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 280f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 281f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 282f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 283f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 284f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 28549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 28623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 287dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 28849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 289193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 290f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 291f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 292b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 293f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 294f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 295f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 296f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 297f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 298823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 300f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 301f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 303d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 304f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 307823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 308823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 311bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 312bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 313bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 3147f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 315bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 317823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 31897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 3196869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 3209ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 3219ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 3229ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 323f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 32423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 3257f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 326f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 327f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 328f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 330f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 331f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 332f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 335f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 336d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 33778b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 33878b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 33978b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 34078b810559d89e996e00684335407443936ce34a1John McCall AccessSpecifier AS) { 3419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3427ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 34578b810559d89e996e00684335407443936ce34a1John McCall // TODO: in C++0x, if we have template parameters this must be a 34678b810559d89e996e00684335407443936ce34a1John McCall // template alias: 34778b810559d89e996e00684335407443936ce34a1John McCall // template <...> using id = type; 34878b810559d89e996e00684335407443936ce34a1John McCall 3499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 35012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3527ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 360b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 3619cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3629cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3639cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 365d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3669cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 36912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 37012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 37112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 372193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 37312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 37412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 375193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 376b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 37712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 379d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 381193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 3847f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 3897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall !attrs.empty() ? "attributes list" : "using declaration", 39012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3919cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 39278b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 39378b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 39478b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 39578b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 39678b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 39778b810559d89e996e00684335407443936ce34a1John McCall 39878b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 39978b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 40078b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 40178b810559d89e996e00684335407443936ce34a1John McCall return 0; 40278b810559d89e996e00684335407443936ce34a1John McCall } 40378b810559d89e996e00684335407443936ce34a1John McCall 4048113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, 4057f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, attrs.getList(), 4067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IsTypeName, TypenameLoc); 407f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 408f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 409511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 410511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 411511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 412511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 413511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 414d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 415511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 416511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 418511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 419511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 420d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 421511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 423511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 424e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 42560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 426511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 427511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 428d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 429511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 432d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 433ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 434511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 435511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 436511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 437d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 438511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 442d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 443511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 44494b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 4479ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 448511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4499ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 4509ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 4519ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertMessage.take()); 452511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 453511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4546fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4596fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4616fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4626fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4656fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4666fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4676fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4686fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4706fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4726fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4736fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4746fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 475f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 47660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 4776fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4786fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4796fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4806fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4826fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4836fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4846fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4856fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4866fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4876fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4896fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4906fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4916fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4926fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 493fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4946fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 496fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 497fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4986fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4996fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 50042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 50142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 50242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 5037f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 50442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 50542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 50642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 50742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 5087f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 51031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 5119ab14541716928894821cf5d53d6b4c95ffdf3a3Jeffrey Yasskin CXXScopeSpec *SS) { 5127f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 5137f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 5157f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 516d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 517d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 51831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 5197f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5207f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 521b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 5227f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 5237f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 52431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 52531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 52631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 52731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 5287f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5297f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5307f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 5317f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5327f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 53342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 5341ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 53531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 53642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 53742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 53884d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 53984d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 54084d0a19828599e8623223632d59447fd498999cfDouglas Gregor 54184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 54284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 54384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 54484d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 54584d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 54623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 54784d0a19828599e8623223632d59447fd498999cfDouglas Gregor SS, Template, TNK)) { 54884d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 54984d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 55084d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 551193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55284d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 55384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 55484d0a19828599e8623223632d59447fd498999cfDouglas Gregor 555193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 55684d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 55784d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 558193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 56084d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 56184d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 56284d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 56384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 56484d0a19828599e8623223632d59447fd498999cfDouglas Gregor AnnotateTemplateIdTokenAsType(SS); 565193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 56684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 56784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 56884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 56984d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 570193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 57184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 57284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 57384d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 574b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 57584d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 57684d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 57784d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 57884d0a19828599e8623223632d59447fd498999cfDouglas Gregor 57942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 580b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), SS, true); 581193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 582124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 58331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 58442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 58542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 58642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 58784d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 5885606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5895606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 5905606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DeclSpec DS; 5915606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 5925606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 5935606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.getTypeSpecScope() = *SS; 5945606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5955606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 5965606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 5975606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 5985606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5995606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 6005606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 60142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 60242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 603e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 604e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 605e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 606d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 607e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 608e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 609e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 610e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 612e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 613e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 614e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 615e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 616e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 618e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 620e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 621e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 622e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 623e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 624e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 625e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 626e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 630e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 631e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 632e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 633e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 634e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 635e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 636e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 637e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 638e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 639e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 640e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 641e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 642e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 6434c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 6444c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 6454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 646d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 6474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 6484c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 6494c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 6504c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 6514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 6524c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 6534c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 6544c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6554c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 656e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 657374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 658374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 65923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 660dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 661374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 662193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 663926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 664926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 665926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 666926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 667926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 668926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 669926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 670926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 671926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 672926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 673926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 674926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 675926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 676926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 6777f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 678e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 679e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 6807f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 681e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 682f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 683b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 6847f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 685193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 686bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 687bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 688bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 6897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 691b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 692b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 693b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 695b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 696b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 697646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 698b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 699b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 700b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 701b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 702b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 703b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 705b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 706b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 707646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 708b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 709b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 711eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 712aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 71308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 71408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 71508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 716193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 717b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 718207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 7199ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 72008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 72108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 72208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 723cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 7242cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 7252cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 726cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 727e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 728e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 72939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 730e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 731e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 732e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 733193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7345ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 735193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 7362cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 7372cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 7382cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 7392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 740193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 7412cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 742314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 7432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 7442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 7452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 7462cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 747193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7482cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 749c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 7502cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 7512cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 7522cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 7532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 7542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 755193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 756193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 757c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 758c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 759c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 760c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 761c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 762c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 763193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 764c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 765c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 766c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 767c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 768c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7692cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 770193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7712cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 772193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 773c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 774c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 775c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 7772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 77839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 77939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 78039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 781cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 782c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 78339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 78439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 78539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 78639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 78739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 78839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 78939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 79039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 79139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 79439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 79539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 796926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 797926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 798926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 79939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 800cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 801e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 802e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 803926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 804926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 805926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 806926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 807926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 80867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 80967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 81067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 81139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 812e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 813d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 814d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 815d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 816d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 817d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 818d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 819f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 820d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 821f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 822d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl else if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))){ 823d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 824d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 825d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 826d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 827d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 828d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 829d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 830d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 831d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 832f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 833d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 834d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 835f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 836d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 837d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 838f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 839e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 840f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 842207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 843f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 844207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 845207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 846207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 847207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 848207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 849e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 850e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 85139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 85239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 85339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 854e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 856e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 857ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 858d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 859d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 8604d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 861402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 862f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 8634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 8644d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 8651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 86639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 86739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 8684d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 869f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 8704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 8714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 87223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 87345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8754d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8782b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 8791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 8837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 88474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 88574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 88674256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 88774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 88874256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 889f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 890f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 89174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 892c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 8932b5289b6fd7e3d9899868410a498c081c9595662John McCall = Actions.ActOnTemplateIdType(TemplateId->Template, 8946b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 8956b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 8966b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 8976b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 8986b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 89945ab4b5f8961dadcef6545ed6956da5daf95c6cbCraig Silverstein TypeResult = Actions.ActOnTagTemplateIdType(SS, TypeResult, TUK, 900c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 9014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 9024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 9034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 9044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 9054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 9074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 9084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 9094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 9104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 9114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 9123f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 9134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 9144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 915f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 9164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 9184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 9204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 9214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 922849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 9234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 9254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 9264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 9274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 9294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 9324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 9334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 9344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 9354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9364d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 9374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 93823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 93939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 9402b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 9421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 94339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 9457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 946f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 947cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 948cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 9494d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 95039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 9513f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 952f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 9533f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 9543f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 9553f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9563f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 9573f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 95923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 96045f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 9621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 9637f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 9649a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 9659a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 9669a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 9679a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 9689a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 9697f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 9709a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 9719a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 9729a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 9733f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 9743f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 975f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 9763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 9773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 9783f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 979c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 980c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 981a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 982a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 983a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 984a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 985a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 986a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 987a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 988a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 9893f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 9909a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 9917f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 992a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams, Owned, IsDependent, false, 993a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, clang::TypeResult()); 994c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 995c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 996c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 9979a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 9989a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 99923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1000193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 10019a34edb710917798aa30263374f624f13b594605John McCall } 10023f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1003e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1004e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1005f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1006bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1007bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall (getLang().CPlusPlus && Tok.is(tok::colon))); 100807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1009212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 101007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1011212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1012e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1013e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1014b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // FIXME: The DeclSpec should keep the locations of both the keyword and the 1015b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // name (if there is one). 1016b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 1017b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 1018b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1019b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1020b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1021c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 1022b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result = DS.SetTypeSpecType(DeclSpec::TST_typename, TSTLoc, 1023b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1024c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 1025b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result = DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 1026b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TagOrTempResult.get(), Owned); 1027c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1028ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 102966e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 103066e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1033fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1034193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 10354ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 10364ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 10374ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 10384ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 10394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 10404ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 10414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1042f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1043b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 10444ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1045b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 10464ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 104799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 104899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 104999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 105099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 105199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 105299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 105399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1054c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 105516acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1056b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1057b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1058b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1059b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1060b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1061b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1062b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 106399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 106499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 106599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 106699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 106799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 106899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 106933f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 1070b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1071b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1072b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 1073b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1074b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1075b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1076b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1077b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1078b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1079b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1080b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1081b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1082b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1083b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1084b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1085b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1086b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 10874ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1088193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1089193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 10904ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1091b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1092b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1093b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1094b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1095193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1096b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 10974ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 10984ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 10994ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 11004ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 11014ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 11024ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 11034ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1104193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 11054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 11064ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1107e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1108e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1110e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1111e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1112e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1113e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1114e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1115e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1116d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1118e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1119e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1120f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1121ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1122f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1123e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1124e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1125f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 11265ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1127e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1128e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1129f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1130f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1131f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 11325ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1133e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1134e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1135e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1137e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1139e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1140e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1141e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1142f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1143f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1144beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1145e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1146e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1147e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1148e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1149e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1150e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1156e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1157e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1158d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1160e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1162e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1163e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1164e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1165e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1166e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1167e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1168e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1169e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 117092f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1171e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 11721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1174e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1175e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1176e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1177e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1178e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 11791ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1180849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1181e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1182e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1183e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1184e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1185e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1186eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1187eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1188b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1189e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1190e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1191e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 119242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 119342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 11947f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 119531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 119631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 119742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 11981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1199f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1200f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1201f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1202f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1203f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1204f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1205f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 12077f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1209e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1210e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1211a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1212f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1213e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1214e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1215e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1216e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1217e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1218e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1219e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1220e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1221e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1223e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1224e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1225e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1226e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1227e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1228e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1229e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 12304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1231d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1232d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1233d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1234d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1235d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1237075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1238d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1239d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1240d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1241d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1242d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1243d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1244d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 124523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1246d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1247d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1248d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1249d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1250d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1251d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 12528f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1253d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1254d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1255d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1256d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1257d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1258d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1259d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1260d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1261d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1262d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1263d33133cdc1af466f9c276249b2621be03867888bEli Friedman 12641f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// isCXX0XVirtSpecifier - Determine whether the next token is a C++0x 12651f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 12661f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 12671f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 12681f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 12691f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 12701f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 1271b971dbdb65149a7cf0c046380186d0204e5b411eAnders CarlssonVirtSpecifiers::VirtSpecifier Parser::isCXX0XVirtSpecifier() const { 12721f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson if (Tok.is(tok::kw_new)) 1273b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_New; 1274b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1275b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1276b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 12771f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 12787eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 12797eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 12807eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 12817eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 12827eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 12837eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1284b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1285b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 12861f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1287b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1288b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1289b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1290b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1291b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 12921f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 12931f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 12941f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 12951f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 12961f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 12971f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 12981f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1299b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 13001f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson if (!getLang().CPlusPlus0x) 13011f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson return; 13021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1303b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1304b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson VirtSpecifiers::VirtSpecifier Specifier = isCXX0XVirtSpecifier(); 1305b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1306b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1307b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1308b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1309b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1310b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson const char* PrevSpec = 0; 1311b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (VS.SetVirtSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1312b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1313b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1314b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1315b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1316b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1317b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 13181f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 13191f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 13204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 13214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 13234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 13244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 13254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 13264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1327511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 13285aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1329bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 13304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 13324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 13334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 13344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 13361f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 13374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 13384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 13394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13401f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 13411f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 13421f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 13431f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 13441f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 13451f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 13461f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 13471f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 13481f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1349e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 13504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 13514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 13534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 13544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 135537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1356c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1357c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 135860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 135960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 136060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 13619ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 136260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 136360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 136460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 136560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 136660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 136760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 136860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 136960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 137060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 137160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1372b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 137360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 137460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 137560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1376b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 137760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 137860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 137960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 138060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 138160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 138260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 138360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 138460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 138560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 138660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 138760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 138823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 138960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 139060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 139160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 139260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 139360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 139460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 139560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 139660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 139760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1398511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1399682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 140037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 140197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 140297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1403682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1404682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 14051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1406682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 14071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 140837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 140997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 14114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1412682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1413682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 14145aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1415bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1416bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1417bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1418bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1419bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1420c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1421bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 14229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 14234ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 14244ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1425a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1426193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 14277f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrs; 1428bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 14297f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 14307f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1431bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 14329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 143337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1434193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 14357f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 14389cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 14399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 14409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 14419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 14429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1443ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 14449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 14459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 144678b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 144778b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 14489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 14499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 14509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 14519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 14524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 14534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1454c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 14557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 145637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 14574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1458f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1459dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1460dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1461dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 14624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 14634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1464d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 1465c9068d7dd94d439cec66c421115d15303e481025John McCall Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 1466c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 146767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 14684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 146907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 147054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 14714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1473a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1474a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1475a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 14763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 14773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 14783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 147910bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 14803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 14814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 14823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 14833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1484682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14871b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 14887f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 14891b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 14903a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 14917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1492d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1493d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 14943a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 14953a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 14963a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 14973a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 14989ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 14999ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15009ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15019ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1502682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15033a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15043a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 15053a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 15063a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 15073a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 15083a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 15093a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 15103a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 15113a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15129ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 15139ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15149ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15159ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1516682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15173a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 151937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 15209ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15219ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15229ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 15239ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1524682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15253a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 15294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 15304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 15314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1532d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> DeclsInGroup; 153360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 153460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Init; 1535e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 15364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 15384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 15394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 15404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 15414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 15424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 15434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15440e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 15450e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 15464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 15474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1549b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson VirtSpecifiers VS; 1550b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ParseOptionalCXX0XVirtSpecifierSeq(VS); 15511f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 15534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 15544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 15554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 15564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1557e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1558e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1559e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1560e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 15614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 15624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 156337bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (Tok.is(tok::kw_delete)) { 156437bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (!getLang().CPlusPlus0x) 156537bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson Diag(Tok, diag::warn_deleted_function_accepted_as_extension); 1566e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1567e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1568e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1569e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1570e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1571e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1572e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 15734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1575e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1576e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1577e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 157860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1579e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1580e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1581e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1582e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1583e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1584e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1585e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 15864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 15877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 15884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 158907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1590682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 159107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 159267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1593d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 159467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1595bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 159623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1597bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1598bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 159937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 160023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 160167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 160237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 160367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 160467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1605d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 160667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 160737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1608682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1609682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 16104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 161172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 16121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 161372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1614d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 161572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 161672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 161754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 161854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 16194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 16204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 16214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 16224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 16231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 16254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 16284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 162915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 163015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1631e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 16321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 16347f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 16354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 16373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 16384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1640ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1641ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1642ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1643ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1644ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1645682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 16464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 164823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1649ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 16504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 16514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 16534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 16554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 16564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 16574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1659d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 166031fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 16614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 166231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 16634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1664f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 1665f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 16661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 166826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 166926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 167026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 167123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 167226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 167326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 167426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 167526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 167626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 167726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 167826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 167926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 168026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 168126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 168226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 168326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 168426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 168526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 168626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 168726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 168826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 168926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 16904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 16923218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 16934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16946569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 169526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 16966569d68745c8213709740337d2be52b031384f58Douglas Gregor 1697ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 169823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 1699bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1700bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1701bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1702bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1703bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1704bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1705db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1706db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 170723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 1708bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1709bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1710bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1711bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1712bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1713bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1714bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1715bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 171642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 171723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, LBraceLoc); 1718f9368159334ff86ea5fa367225c1a580977f3b03John McCall 17194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 17204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 17214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 17224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 17234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 17244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 17254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 17264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 17274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 172807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 172907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 173007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 173107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 173207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 173307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 173407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 173507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 173607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 173707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 173807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 173907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 174007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 174107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 17421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 174307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 174407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 174507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 174607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 174707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 174807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 174907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 175007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 175107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 175207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 175307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 175407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 175507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 17564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 175707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 17584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 175907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 176007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 176107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 176407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 176507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 17664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 17697f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 17707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 17714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 177242a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 177323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 177442a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 17757f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 17764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 17784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 17794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 17804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 17814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 178272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 178372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 178407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 17854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 178672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 178772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 1788e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 17896569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 17906569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 1791e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 17924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 179442a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 179523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 1796db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 17974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 17986569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 17998935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 18004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 18017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 18037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 18047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 18057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 18067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 18087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 18097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 18107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 18117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 18127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 18137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 18147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 18157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 18167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 18197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 18213fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 18223fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 1823d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 18247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 18257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 18271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1828cbb67480094b3bcb5b715acd827cbad55e2a204cSean Hunt llvm::SmallVector<CXXCtorInitializer*, 4> MemInitializers; 18299db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1830193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 18317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 18320133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 18330133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 18340133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 18350133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 18360133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor ConsumeCodeCompletionToken(); 18370133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 18380133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 18390133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 18400133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 18410133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 18420133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 18430133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 18440133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 18457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 18467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 18477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 18487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 1849b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 1850b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 1851751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 1852751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 1853751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 1854751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 1855751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 18567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1857d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 18587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 18597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 18607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 18617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 18627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 18649db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 18659db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 18667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 18677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 18697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 18707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 18717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 18727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 18747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 18767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 18777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 18787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1879d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 1880bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1881bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 1882b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 1883b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 1884961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1885961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1886961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1887d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1888d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1889961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1890961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1891b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 1892961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1893961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1894961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 18951ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 18967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 18977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 19007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1901961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 19027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 19037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 19057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 19061ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 19077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 19107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1912a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 19137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 19147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 19157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 19167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 19207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19213fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor SourceLocation EllipsisLoc; 19223fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor if (Tok.is(tok::ellipsis)) 19233fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc = ConsumeToken(); 19243fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor 192523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 1926961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1927a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 19283fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor ArgExprs.size(), RParenLoc, 19293fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc); 19307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 19310fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 19320fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 19330fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 19340fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1935a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1936a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1937a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1939a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1940a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 1941a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 19420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 19437dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1944b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall llvm::SmallVectorImpl<ParsedType> 1945ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1946b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall llvm::SmallVectorImpl<SourceRange> 1947ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 19487dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 19490fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 19501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1951dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); 19521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19530fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 19540fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 19550fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 19560fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 19570fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1958a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1959a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1960a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 19617dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1962a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1963a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1964a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1965ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1966a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1967a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1968a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 19690fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1970ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 19710fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1972ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1973a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 1974a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 1975a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 1976a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 1977a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 1978a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 1979a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 1980a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 1981a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 1982a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 1983ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 19847dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1985ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1986ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 1987a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 19880fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 19890fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 19907dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 19910fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 19920fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 19930fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1994ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 19950fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 19960fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 19976569d68745c8213709740337d2be52b031384f58Douglas Gregor 1998dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 1999dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2000dab60ad68a3a98d687305941a3852e793705f945Douglas GregorTypeResult Parser::ParseTrailingReturnType() { 2001dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2002dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2003dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2004dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2005dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2006dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2007dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2008dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2009dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2010dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2011dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2012dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2013dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor SourceRange Range; 2014dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2015dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2016dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 20176569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 20186569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 20196569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2020d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 202126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 20226569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 202326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 20246569d68745c8213709740337d2be52b031384f58Douglas Gregor} 20256569d68745c8213709740337d2be52b031384f58Douglas Gregor 20266569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 20276569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 20286569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2029d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2030d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 20316569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 20326569d68745c8213709740337d2be52b031384f58Douglas Gregor} 20336569d68745c8213709740337d2be52b031384f58Douglas Gregor 20346569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 20356569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 20366569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 20376569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 20386569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 20396569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 20406569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 20416569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 20426569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 20436569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 20446569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 20451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20466569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 20476569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 20486569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 20496569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 20506569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 20516569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 20526569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 20546569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 20556569d68745c8213709740337d2be52b031384f58Douglas Gregor 2056d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 20576569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 20586569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 20596569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 20606569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2061d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 20626569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 20636569d68745c8213709740337d2be52b031384f58Douglas Gregor } 20646569d68745c8213709740337d2be52b031384f58Douglas Gregor 20656569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 20666569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 20676569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 206823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2069d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 207023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 20716569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2072bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2073bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 2074bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 2075bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2076bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2077bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 2078bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2079bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2080bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2081bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2082bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2083bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2084bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2085bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2086bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2087bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2088bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2089bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2090bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2091bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2092bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2093bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2094bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2095bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2096bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2097bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2098bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2099bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2100bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2101bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2102bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2103bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2104bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2105bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2106bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2107bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 21087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 21097f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2110bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2111bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2112bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2113bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 2114bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2115bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2116bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2117193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2118bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2119bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2120bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2121bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2122bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2123bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2124bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2125bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2126bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2127bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2128bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2129bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2130bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2131bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2132193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2133bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2134bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2135bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2136bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2137bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2138bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2139bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2140bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2141bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2142193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2143bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2144bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2145bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2146bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2147bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2148bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2149bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2150bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2151bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2152bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2153bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2154bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2155bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2156bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 21577725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 21587725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 2159bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 21607725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 21617725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 21627725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 2163bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2164bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2165bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2166bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2167bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2168bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 21697f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.add(AttrFactory.Create(AttrName, AttrLoc, 0, AttrLoc, 0, 21707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation(), 0, 0, false, true)); 2171bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2172bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2173bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2174bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2175bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2176bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2177bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2178bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2179bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2180bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2181bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2182bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2183bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 218460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2185bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2186bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2187bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2188bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2189bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 21907f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.add(AttrFactory.Create(AttrName, AttrLoc, 0, AttrLoc, 21917f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 0, ParamLoc, ArgExprs.take(), 1, 21927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall false, true)); 2193bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2194bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2195bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2196bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2197bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2198bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2199bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2200bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2201bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2202bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2203bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2204bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2205bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2206bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2207bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2208bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2209bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2210bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2211bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2212bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2213bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2214bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2215bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2216bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 22177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.Range = SourceRange(StartLoc, Loc); 2218bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2219bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2220bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2221bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2222bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2223bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2224bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2225bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2226bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 222860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2229bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2230f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 2231bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2232b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = ParseTypeName().get(); 2233bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2234b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, 2235b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Ty.getAsOpaquePtr(), TypeRange); 2236bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2237bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2238bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2239334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2240334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2241334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2242334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2243334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2244334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2245334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2246334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2247334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 22487f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 22497f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2250334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2251334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2252334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2253334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2254334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 22557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2256334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2257334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2258334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2259