ParseDeclCXX.cpp revision a2026c96d3935e7909e049ad9096762844544ed6
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 = 114acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, NamespaceLoc, 115acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara IdentLoc, Ident, 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(), 197a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara DS.getSourceRange().getBegin(), 198d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 199a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 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 444a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RParenLoc = 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(), 451a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara AssertMessage.take(), 452a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RParenLoc); 453511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 454511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4596fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4616fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4626fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4636fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4666fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4676fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4686fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4696fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4716fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4736fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4746fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4756fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 476f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 47760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 4786fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4796fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4806fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4816fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4836fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4846fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4856fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4866fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4876fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4886fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4906fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4916fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4926fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4936fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 494fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4956fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 497fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 498fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4996fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 5006fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 50142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 50242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 50342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 5047f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 50542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 50642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 50742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 50842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 5097f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 51131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 512059101f922de6eb765601459925f4c8914420b23Douglas Gregor CXXScopeSpec &SS) { 5137f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 5147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 5167f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 517d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 518d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 519059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 5207f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5217f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 522b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 5237f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 5247f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 52531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 52631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 52731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 52831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 5297f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5307f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5317f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 5327f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5337f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 53442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 5351ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 53631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 53742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 53842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 53984d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 54084d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 54184d0a19828599e8623223632d59447fd498999cfDouglas Gregor 54284d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 54384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 54484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 54584d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 54684d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 54723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 548059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 54984d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 55084d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 55184d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 552193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 55484d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 55584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 556193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 55784d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 55884d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 559193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 56084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 56184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 56284d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 56384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 56484d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 565059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 566193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 56784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 56884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 56984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 57084d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 571193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 57284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 57384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 57484d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 575b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 57684d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 57784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 57884d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 57984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 58042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 581059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 5829e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 5839e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true); 584193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 585124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 58631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 58742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 58842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 58942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 59084d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 5915606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5925606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 5935606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DeclSpec DS; 5945606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 5955606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 596059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 5975606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5985606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 5995606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 6005606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 6015606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 6025606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 6035606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 60442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 60542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 606e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 607e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 608e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 609d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 610e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 612e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 613e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 614e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 615e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 616e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 617e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 618e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 619e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 621e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 623e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 624e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 625e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 626e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 627e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 628e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 629e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 6321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 633e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 634e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 635e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 636e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 637e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 638e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 639e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 640e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 641e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 642e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 643e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 644e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 645e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 6464c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 6474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 6484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 649d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 6504c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 6514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 6524c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 6534c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 6544c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 6554c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 6564c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 6574c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6584c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 659e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 660374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 661374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 66223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 663dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 664374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 665193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 666926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 667926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 668926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 669926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 670926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 671926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 672926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 673926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 674926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 675926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 676926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 677926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 678926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 679926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 6807f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 681e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 682e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 6837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 684e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 685f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 686b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 6877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 688193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 689bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 690bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 691bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 6927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 694b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 695b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 696b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 698b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 699b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 700646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 701b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 702b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 703b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 704b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 705b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 706b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 708b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 709b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 710646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 711b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 712b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 714eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 715aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 71608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 71708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 71808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 719193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 720b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 721207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 7229ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 72308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 72408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 72508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 726cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 7272cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 7282cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 729cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 730e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 731e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 73239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 733e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 734e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 735e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 736193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7375ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 738193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 7392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 7402cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 7412cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 7422cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 743059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 7442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 745314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 7462cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 7472cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 7482cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 7492cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 750193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7512cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 752c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 7532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 7542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 7552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 7562cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 7572cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 758193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 759193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 760c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 761c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 762c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 763c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 764c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 765c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 766193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 767c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 768c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 769c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 770c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 771c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7722cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 773193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7742cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 775193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 776c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 777c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 778c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7792cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 7802cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 78139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 78239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 78339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 784cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 785059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 786059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 78739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 78839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 78939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 79039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 79139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 79239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 79339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 79439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 79539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 79839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 79939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 800926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 801926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 802926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 80339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 804cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 805e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 806e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 807926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 808926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 809926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 810926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 811926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 81267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 81367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 814cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // have to be treated differently. If we have 'struct foo {...', 815cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // 'struct foo :...' or 'struct foo <class-virt-specifier>' then this is a 816cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // definition. Otherwise we have something like 'struct foo xyz', a reference. 817d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 818d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 819d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 820d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 821d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 822d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 823f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 824d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 825f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 826cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson else if (Tok.is(tok::l_brace) || 827cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 828cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson isCXX0XClassVirtSpecifier() != ClassVirtSpecifiers::CVS_None) { 829d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 830d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 831d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 832d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 833d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 834d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 835d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 836d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 837d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 838f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 839d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 840d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 841f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 842d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 843d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 844f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 845e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 846f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 847e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 848207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 849f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 850207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 851207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 852207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 853207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 854207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 856e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 85739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 85839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 85939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 860e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 861e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 862e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 863ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 864d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 865d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 8664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 867402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 868f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 8694d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 8704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 8711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 87239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 87339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 8744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 875f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 8764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 8774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 87823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 87945f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8842b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 8851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 8897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 89074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 89174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 89274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 89374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 89474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 895f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 896f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 89774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 898059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, 899059101f922de6eb765601459925f4c8914420b23Douglas Gregor StartLoc, 900059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 901059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 902059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 903059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 904059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 905059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->RAngleLoc); 9064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 9074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 9084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 9094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 9104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 9124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 9134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 9144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 9154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 9164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 9173f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 9184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 9194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 920f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 9214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 9234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 9254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 9264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 927849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 9284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 9304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 9314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 9324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 9344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 9374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 9384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 9394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 9404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 9424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 94323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 94439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 9452b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 9471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 94839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 9507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 951f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 952cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 953cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 9544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 95539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 9563f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 957f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 9583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 9593f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 9603f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9613f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 9623f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9633f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 96423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 96545f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 9687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 9699a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 9709a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 9719a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 9729a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 9739a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 9747f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 9759a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 9769a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 9779a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 9783f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 9793f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 980f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 9813f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 9823f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 9833f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 984c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 985c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 986a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 987a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 988a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 989a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 990a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 991a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 992a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 993a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 9943f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 9959a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 9967f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 997a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams, Owned, IsDependent, false, 998a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, clang::TypeResult()); 999c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1000c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 1001c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 10029a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 10039a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 100423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1005193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 10069a34edb710917798aa30263374f624f13b594605John McCall } 10073f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1008e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1009e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1010f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1011bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1012cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 1013cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson isCXX0XClassVirtSpecifier() != ClassVirtSpecifiers::CVS_None); 101407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1015212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 101607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1017212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1018e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1019e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1020b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // FIXME: The DeclSpec should keep the locations of both the keyword and the 1021b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // name (if there is one). 1022b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 1023b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 1024b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1025b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1026b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1027c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 1028b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result = DS.SetTypeSpecType(DeclSpec::TST_typename, TSTLoc, 1029b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1030c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 1031b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result = DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 1032b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TagOrTempResult.get(), Owned); 1033c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1034ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 103566e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 103666e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1038b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1039fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1040193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 10414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 10424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 10434ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 10444ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 10454ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 10464ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 10474ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1048f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1049b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 10504ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1051b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 10524ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 105399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 105499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 105599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 105699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 105799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 105899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 105999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1060c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 106116acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1062b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1063b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1064b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1065b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1066b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1067b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1068b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 106999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 107099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 107199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 107299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 107399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 107499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 107533f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 1076b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1077b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1078b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 1079b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1080b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1081b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1082b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1083b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1084b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1085b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1086b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1087b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1088b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1089b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1090b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1091b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1092b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 10934ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1094193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1095193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 10964ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1097b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1098b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1099b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1100b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1101193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1102b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 11034ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 11044ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 11054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 11064ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 11074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 11084ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 11094ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1110193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 11114ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 11124ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1113e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1114e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1116e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1118e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1119e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1120e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1121e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1122d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1123e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1124e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1126f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1127ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1128f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1129e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1130e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1131f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 11325ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1133e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1134e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1135f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1136f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1137f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 11385ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1139e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1140e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1141e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1142e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1143e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1145e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1146e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1147e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1148f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1149f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1150beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1156e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1157e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1158e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1160e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1162e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1163e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1164d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1165e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1166e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1167e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1168e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1169e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1170e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1171e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1172e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1174e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1175e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 117692f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1177e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1179e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1180e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1181e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1182e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1183e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1184e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 11851ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1186849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1187e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1188e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1189e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1190e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1191e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1192eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1193eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1194b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1195e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1196e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1197e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 119842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 119942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 12007f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 1201059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, SS); 120231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 120342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1205f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1206f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1207f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1208f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1209f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1210f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1211f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 12137f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1215e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1216e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1217a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1218f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1219e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1220e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1221e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1222e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1223e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1224e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1225e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1226e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1227e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1229e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1230e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1231e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1232e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1233e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1234e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1235e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 12364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1237d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1238d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1239d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1240d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1241d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1243075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1244d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1245d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1246d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1247d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1248d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1249d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1250d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 125123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1252d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1253d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1254d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1255d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1256d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1257d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 12588f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1259d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1260d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1261d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1262d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1263d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1264d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1265d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1266d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1267d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1268d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1269d33133cdc1af466f9c276249b2621be03867888bEli Friedman 12701f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// isCXX0XVirtSpecifier - Determine whether the next token is a C++0x 12711f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 12721f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 12731f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 12741f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 12751f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 12761f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 1277cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonVirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier() const { 1278ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1279cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1280cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 12811f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson if (Tok.is(tok::kw_new)) 1282b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_New; 1283b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1284b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1285b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 12861f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 12877eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 12887eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 12897eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 12907eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 12917eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 12927eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1293b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1294b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 12951f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1296b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1297b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1298b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1299b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1300b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 13011f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 13021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 13031f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 13041f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 13051f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 13061f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 13071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1308b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 1309b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1310cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier Specifier = isCXX0XVirtSpecifier(); 1311b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1312b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1313b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1314b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1315b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1316cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 131746127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1318b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1319b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1320b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1321b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1322ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1323ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1324ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << VirtSpecifiers::getSpecifierName(Specifier); 1325b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1326b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 13271f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 13281f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1329cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// isCXX0XClassVirtSpecifier - Determine whether the next token is a C++0x 1330cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier. 1331cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// 1332cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier: 1333cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// final 1334cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// explicit 1335cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonClassVirtSpecifiers::Specifier Parser::isCXX0XClassVirtSpecifier() const { 1336ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1337cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_None; 1338cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1339cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (Tok.is(tok::kw_explicit)) 1340cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_Explicit; 1341cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1342cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (Tok.is(tok::identifier)) { 1343cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 1344cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1345cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // Initialize the contextual keywords. 1346cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (!Ident_final) { 1347cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 1348cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1349cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 1350cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1351cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (II == Ident_final) 1352cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_Final; 1353cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 1354cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1355cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return ClassVirtSpecifiers::CVS_None; 1356cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1357cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1358cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// ParseOptionalCXX0XClassVirtSpecifierSeq - Parse a class-virt-specifier-seq. 1359cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// 1360cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier-seq: 1361cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier 1362cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson/// class-virt-specifier-seq class-virt-specifier 1363cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlssonvoid Parser::ParseOptionalCXX0XClassVirtSpecifierSeq(ClassVirtSpecifiers &CVS) { 1364cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson while (true) { 1365cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ClassVirtSpecifiers::Specifier Specifier = isCXX0XClassVirtSpecifier(); 1366cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (Specifier == ClassVirtSpecifiers::CVS_None) 1367cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return; 1368cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1369cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // C++ [class]p1: 1370cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // A class-virt-specifier-seq shall contain at most one of each 1371cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // class-virt-specifier. 1372cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 1373cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson if (CVS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1374cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_class_virt_specifier) 1375cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson << PrevSpec 1376cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1377ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson 1378ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1379ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1380ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << ClassVirtSpecifiers::getSpecifierName(Specifier); 1381ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson 1382cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ConsumeToken(); 1383cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 1384cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1385cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 13864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 13874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 13894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 13904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 13914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 13924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1393511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 13945aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1395bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 13964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 13974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 13984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 13994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 14004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 14021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 14034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 14044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 14054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14061f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 14071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 14081f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 14091f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 14101f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 14111f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 14121f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 14131f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 14141f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1415e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 14164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 14174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 14184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 14194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 14204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 142137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1422c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1423c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 142460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 142560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 142660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 14279ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 142860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 142960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 143060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 143160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 143260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 143360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 143460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 143560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 143660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 143760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1438b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 143960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 144060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 144160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1442b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 144360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 144460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 144560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 144660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 144760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 144860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 144960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 145060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 145160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 145260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 145360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 145423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 145560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 145660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 145760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 145860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 145960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 146060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 146160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 146260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 146360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1464511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1465682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 146637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 146797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 146897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1469682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1470682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 14711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1472682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 147437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 147597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 14761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 14774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1478682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1479682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 14805aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1481bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1482bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1483bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1484bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1485bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1486c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1487bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 14889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 14894ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 14904ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1491a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1492193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 14937f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrs; 1494bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 14957f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 14967f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1497bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 14989cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 149937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1500193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 15017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 15021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15039cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 15049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 15059cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 15069cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 15079cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 15089cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1509ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 15109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 15119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 151278b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 151378b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 15149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 15159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 15169cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 15179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 15184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 15194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1520c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 15217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 152237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 15234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1524f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1525dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1526dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1527dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 15284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 15294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1530d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 1531c9068d7dd94d439cec66c421115d15303e481025John McCall Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 1532c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 153367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 15344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 153507952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 153654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 15374867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 15384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15393a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1540a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1541a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1542a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 15433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 15443a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 15453a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 154610bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 15473a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 15484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15493a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 15503a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1551682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15544867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseOptionalCXX0XVirtSpecifierSeq(VS); 15554867347e82648d3baf09524b98b09c297a5a198fNico Weber 15561b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 15577f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 15581b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 15593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 15607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1561d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1562d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 15633a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 15643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 15653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 15663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15679ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 15689ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15699ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15709ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1571682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 15743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 15753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 15763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 15773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 15783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 15793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 15803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 15819ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 15829ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15839ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15849ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1585682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15863a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15884867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo, VS); 15899ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 15909ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 15919ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 15929ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1593682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15943a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 15954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 15984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 15994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 16004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1601d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> DeclsInGroup; 160260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 160360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Init; 1604e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 16054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 16074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 16084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 16094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 16104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 16114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 16124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 16130e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 16140e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 16154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 16164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1618b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ParseOptionalCXX0XVirtSpecifierSeq(VS); 16191f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 16204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 16214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 16224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 16234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 16244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1625e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1626e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1627e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1628e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 16294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 16304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 163137bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (Tok.is(tok::kw_delete)) { 163237bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (!getLang().CPlusPlus0x) 163337bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson Diag(Tok, diag::warn_deleted_function_accepted_as_extension); 1634e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1635e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1636e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1637e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1638e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1639e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1640e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 16414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1643e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1644e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1645e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 164660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1647e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1648e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1649e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1650e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1651e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1652e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1653e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 16544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 16557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 16564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 165707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1658682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 165907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 166067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1661d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 166267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1663bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 166423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1665bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1666bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 166737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 166823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 166967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 167037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 167167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 167269a87357310260c4b2c5dce2cdcd10c3fd3a0a58Anders Carlsson VS, Init.release(), 1673d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 167467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 167537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1676682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1677682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 16784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 167972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 168172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1682d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 168372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 168472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 168554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 168654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 16874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 16884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 16894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 16904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 16934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 16941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 16964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 16974867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 169815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 169915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1700e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 17011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 17037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 17044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17053a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 17063a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 17074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1709ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1710ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1711ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1712ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1713ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1714682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 171723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1718ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 17194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 17204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 17224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 17234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 17244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 17254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 17264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 17274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1728d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 172931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 17304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 173131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 17324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1733f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 1734f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 17351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 173626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 173726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 173826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 173926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 174023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 174126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 174226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 174326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 174426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 174526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 174626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 174726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 174826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 174926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 175026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 175126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 175226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 175326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 175426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 175526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 175626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 175726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 175826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 17594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 17613218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 17624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17636569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 176426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 17656569d68745c8213709740337d2be52b031384f58Douglas Gregor 1766ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 176723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 1768bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1769cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ClassVirtSpecifiers CVS; 1770cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ParseOptionalCXX0XClassVirtSpecifierSeq(CVS); 1771cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1772bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1773bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1774bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1775bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1776bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1777db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1778db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 177923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 1780bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1781bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1782bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1783bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1784bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1785bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1786bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1787bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 178842a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 1789dfc2f1035d23e294b298766a3cf51dfe249d53a2Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, CVS, 1790dfc2f1035d23e294b298766a3cf51dfe249d53a2Anders Carlsson LBraceLoc); 1791f9368159334ff86ea5fa367225c1a580977f3b03John McCall 17924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 17934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 17944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 17954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 17964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 17974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 17984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 17994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 18004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 180107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 180207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 180307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 180407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 180507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 180607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 180707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 180807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 180907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 181007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 181107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 181207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 181307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 181407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 18151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 181707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 181807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 181907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 182007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 182107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 182207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 182307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 182407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 182507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 182607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 182707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 182807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 18294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 183007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 18314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 183207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 183307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 183407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 18351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 183707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 183807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 18394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 18427f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 18437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 18444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 184542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 184623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 184742a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 18487f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 18494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 18514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 18524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 18534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 18544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 185572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 185672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 185707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 18584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 185972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 186072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 1861e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 18626569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 18636569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 1864e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 18654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 186742a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 186823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 1869db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 18704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 18716569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 18728935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 18734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 18747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 18767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 18777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 18787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 18797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 18817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 18827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 18837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 18847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 18857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 18867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 18877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 18887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 18897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 18911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 18927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 18931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 18943fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 18953fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 1896d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 18977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 18987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1901cbb67480094b3bcb5b715acd827cbad55e2a204cSean Hunt llvm::SmallVector<CXXCtorInitializer*, 4> MemInitializers; 19029db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1903193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 19047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 19050133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 19060133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 19070133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 19080133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 19090133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor ConsumeCodeCompletionToken(); 19100133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 19110133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 19120133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 19130133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 19140133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 19150133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 19160133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 19170133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 19187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 19197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 19207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 19217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 1922b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 1923b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 1924751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 1925751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 1926751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 1927751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 1928751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 19297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1930d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 19317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 19327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 19337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 19357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 19379db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 19389db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 19397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 19407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 19427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 19437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 19447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 19457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 19467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 19477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 19481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 19497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 19507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 19517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1952d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 1953bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1954bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 1955b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 1956b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 1957961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1958961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1959961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1960d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1961d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1962059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 1963961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1964b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 1965961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1966961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1967961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 19681ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 19697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 19737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1974961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 19757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 19767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 19787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 19791ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 19807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 19837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1985a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 19867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 19877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 19887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 19897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 19907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 19917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 19937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 19943fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor SourceLocation EllipsisLoc; 19953fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor if (Tok.is(tok::ellipsis)) 19963fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc = ConsumeToken(); 19973fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor 199823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 1999961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 2000a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 20013fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor ArgExprs.size(), RParenLoc, 20023fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor EllipsisLoc); 20037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 20040fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 20057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 20060fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 2007a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 20087acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 20097acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 20107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 20117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 20127acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 20137acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 20147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 20157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlParser::MaybeParseExceptionSpecification(SourceRange &SpecificationRange, 20167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &DynamicExceptions, 20177acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 20187acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr) { 20197acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 20207acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20217acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 20227acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 20237acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 20247acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 20257acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 20267acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 20277acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 20287acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20297acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20307acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 20317acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 20327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 20337acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20347acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 20357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 20367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 20377acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 20387acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20397acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 20407acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 20417acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 20427acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation LParenLoc = ConsumeParen(); 20437acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 20447acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 20457acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 20467acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, RParenLoc); 20477acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 20487acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 20497acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 20507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 20517acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20527acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20537acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 20547acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 20557acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 20567acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20577acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 20587acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 20597acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 20607acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 20617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 20627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 20637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 20657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 20667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 20677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20687acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 20697acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 20707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 20717acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 20727acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 20737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 20747acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 2075a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 2076a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 20771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2078a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 2079a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 2080a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 20810fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 20827acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 20837acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 20847acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &Exceptions, 20857acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &Ranges) { 20860fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 20871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20887acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 20891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20900fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 20917acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 20927acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 20937acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return EST_Dynamic; 20940fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 20950fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 20960fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 2097a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 2098a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 2099a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 2100a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 2101a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 2102a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 21037acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 21047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(RParenLoc); 21057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return EST_DynamicAny; 2106a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 2107a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 21080fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 2109ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 21100fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 2111ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 21127acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2113a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 2114a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 2115a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 2116a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 2117a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 21187acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 2119a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 2120a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 2121a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 21227acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2123ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 21247dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 2125ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 2126ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 2127a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 21280fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 21290fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 21307dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 21310fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 21320fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 21330fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 21347acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(MatchRHSPunctuation(tok::r_paren, LParenLoc)); 21357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return EST_Dynamic; 21360fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 21376569d68745c8213709740337d2be52b031384f58Douglas Gregor 2138dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 2139dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2140dab60ad68a3a98d687305941a3852e793705f945Douglas GregorTypeResult Parser::ParseTrailingReturnType() { 2141dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2142dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2143dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2144dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2145dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2146dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2147dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2148dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2149dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2150dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2151dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2152dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2153dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor SourceRange Range; 2154dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2155dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2156dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 21576569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 21586569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 21596569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2160eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 2161eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 216226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 21636569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 216426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 2165eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 21666569d68745c8213709740337d2be52b031384f58Douglas Gregor} 21676569d68745c8213709740337d2be52b031384f58Douglas Gregor 21686569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 21696569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 21706569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2171d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2172d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 21736569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 21746569d68745c8213709740337d2be52b031384f58Douglas Gregor} 21756569d68745c8213709740337d2be52b031384f58Douglas Gregor 21766569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 21776569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 21786569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 21796569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 21806569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 21816569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 21826569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 21836569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 21846569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 2185eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 21866569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 21871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2188eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 2189eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 21906569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 21916569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 21926569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 21936569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 21946569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 21956569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 21966569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 21971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 21986569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 21996569d68745c8213709740337d2be52b031384f58Douglas Gregor 2200d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 22016569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 22026569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 22036569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 22046569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2205d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 22066569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 22076569d68745c8213709740337d2be52b031384f58Douglas Gregor } 22086569d68745c8213709740337d2be52b031384f58Douglas Gregor 22096569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 22106569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 22116569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 221223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2213d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 221423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 22156569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2216bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2217bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 2218bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 2219bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2220bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2221bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 2222bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2223bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2224bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2225bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2226bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2228bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2229bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2230bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2231bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2232bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2233bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2234bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2235bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2236bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2237bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2238bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2239bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2240bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2241bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2242bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2243bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2244bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2245bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2246bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2247bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2248bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2249bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2250bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2251bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 22527f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 22537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2254bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2255bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2256bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2257bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 2258bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2259bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2260bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2261193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2262bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2263bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2264bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2265bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2266bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2267bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2268bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2269bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2270bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2271bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2272bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2273bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2274bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2275bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2276193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2277bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2278bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2279bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2280bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2281bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2282bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2283bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2284bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2285bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2286193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2287bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2288bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2289bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2290bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2291bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2292bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2293bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2294bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2295bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2296bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2297bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2298bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2299bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2300bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 23017725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 230215e14a289583616e582a23b320933e846a742626Anders Carlsson case AttributeList::AT_noreturn: { 2303bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2304bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2305bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2306bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2307bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2308bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 23097f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.add(AttrFactory.Create(AttrName, AttrLoc, 0, AttrLoc, 0, 23107f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation(), 0, 0, false, true)); 2311bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2312bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2313bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2314bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2315bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2316bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2317bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2318bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2319bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2320bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2321bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2322bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2323bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 232460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2325bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2326bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2327bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2328bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2329bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 23307f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.add(AttrFactory.Create(AttrName, AttrLoc, 0, AttrLoc, 23317f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 0, ParamLoc, ArgExprs.take(), 1, 23327f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall false, true)); 2333bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2334bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2335bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2336bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2337bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2338bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2339bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2340bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2341bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2342bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2343bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2344bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2345bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2346bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2347bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2348bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2349bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2350bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2351bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2352bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2353bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2354bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2355bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2356bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 23577f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.Range = SourceRange(StartLoc, Loc); 2358bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2359bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2360bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2361bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2362bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2363bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2364bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2365bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2366bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2367bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 236860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2369bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2370f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 2371bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2372b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = ParseTypeName().get(); 2373bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2374b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, 2375b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Ty.getAsOpaquePtr(), TypeRange); 2376bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2377bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2378bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2379334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2380334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2381334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2382334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2383334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2384334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2385334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2386334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2387334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 23887f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 23897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2390334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2391334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2392334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2393334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2394334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 23957f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2396334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2397334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2398334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2399