ParseDeclCXX.cpp revision 334d47e92e9f241576fdeb7477b69a03136ba854
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. 721e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 736a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 746a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 756a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 768f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 771e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.reset(ParseGNUAttributes()); 786a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 806a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 816a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (AttrList) 826a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 83d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl if (InlineLoc.isValid()) 84d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Diag(InlineLoc, diag::err_inline_namespace_alias) 85d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl << FixItHint::CreateRemoval(InlineLoc); 866a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 8797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 886a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 905144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 925144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 93d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 945144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 965144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 972d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 9823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 9923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 10023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 10195f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor Diag(LBrace, diag::err_namespace_nonnamespace_scope); 10295f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 103d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 10495f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 10595f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 10688e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 10788e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl if (!getLang().CPlusPlus0x && InlineLoc.isValid()) 10888e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl Diag(InlineLoc, diag::ext_inline_namespace); 10988e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1105144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1115144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1122d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 113d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 114d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, IdentLoc, Ident, 115d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl LBrace, AttrList.get()); 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)) { 121bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 122bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 123bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 124334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet if (getLang().Microsoft && Tok.is(tok::l_square)) 125334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ParseMicrosoftAttributes(); 126bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 127bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 1281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1295144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1305144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1318ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 13297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 13397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1342d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 13597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1365144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 138c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 139f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 140f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 141f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 142d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 14497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 14597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 146f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 15123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 152dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 15349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 154193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 155f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 156f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 157b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 158f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 159f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 160f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 161f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 162f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 163d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 164f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 165f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 166f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 16703bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 16803bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 170f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 17197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1726869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1736869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 17603bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 177f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 178f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 179c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 180c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 181c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 182c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 183c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 184c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 185c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 186d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, 1873acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian unsigned Context) { 188c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 189193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 190c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 191453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 192453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor llvm::StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 193453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 194d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 195c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 196c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 197c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 198074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 199d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *LinkageSpec 20023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 201074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 202d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 2031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 204074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 205074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 206bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 207bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 208bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 209bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 210334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet if (getLang().Microsoft && Tok.is(tok::l_square)) 211334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ParseMicrosoftAttributes(); 212193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 213074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 21435f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 21509a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor ParseExternalDeclaration(Attr, &DS); 21623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 217074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 219f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 22063a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 22163a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 222bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 223bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 224bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 225bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 226f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 227f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 228bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 229bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 230bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 231334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet if (getLang().Microsoft && Tok.is(tok::l_square)) 232334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ParseMicrosoftAttributes(); 233bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ParseExternalDeclaration(Attr); 234f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 235c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 236f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 23723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, RBrace); 238c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 239e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 241f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 242d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 243bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 244bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr) { 245f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 246f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 247f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 248f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 249f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 25049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 25123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 252dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 25349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 254193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2552f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 256f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 257bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseUsingDirective(Context, UsingLoc, DeclEnd, Attr.AttrList); 258bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 259bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 260bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 261bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 2622f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2632f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 264bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Ignore illegal attributes (the caller should already have issued an error. 26597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 266f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 269f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 274f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 276f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 277f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 278d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 27997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 280bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 281bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *Attr) { 282f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 283f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 284f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 285f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 286f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 28749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 28823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 289dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 29049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 291193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 292f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 293f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 294b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 295f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 296f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 297f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 298f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 299f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 300823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 301f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 302f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 303f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 304f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 305d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 306f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 309823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 310823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 313bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 314bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 315bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 316bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = addAttributeLists(Attr, ParseGNUAttributes()); 317bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 32097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 3216869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 3229ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 3239ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 3249ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 325f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 32623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 327bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentLoc, NamespcName, Attr); 328f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 330f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 331f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 332f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 333f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 334f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 3359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 3369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 337f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 338d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 33997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 340595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 341595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 3429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 3437ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 3449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 3459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 34712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 3489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 3497ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 3509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 3519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 3529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 3549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 3559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 357b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 3589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3599cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3609cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3619cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 362d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3639cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 365193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 36612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 36712c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 36812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 369193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 37012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 37112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 372193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 373b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 37412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 3759cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 376d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 3779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 378193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3799cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3801e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 3819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3821e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.reset(ParseGNUAttributes()); 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 387193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam AttrList ? "attributes list" : "using declaration", 38812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 3899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 39023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, Name, 3911e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek AttrList.get(), IsTypeName, TypenameLoc); 392f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 393f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 394511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 395511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 396511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 397511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 398511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 399d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 400511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 401511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 404511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 405d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 406511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 408511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 409e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 41060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 411511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 412511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 413d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 414511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 417d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 418ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 419511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 420511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 421511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 422d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 423511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 427d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 428511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 42994b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 4329ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 433511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4349ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 4359ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 4369ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertMessage.take()); 437511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 438511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 4396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 4406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4466fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4476fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4506fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4556fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4596fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 460f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 46160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 4626fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4636fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4646fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4656fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4676fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4686fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4696fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4706fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4716fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4726fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4746fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4756fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4766fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4776fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 478fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4796fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 481fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 482fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4836fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4846fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 48542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 48642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 48742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4887f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 48942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 49042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 49142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 49242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4937f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 49531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 4969ab14541716928894821cf5d53d6b4c95ffdf3a3Jeffrey Yasskin CXXScopeSpec *SS) { 4977f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4987f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 5007f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 501d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 502d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 50331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 5047f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5057f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 506b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 5077f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 5087f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 50931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 51031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 51131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 51231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 5137f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 5157f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 5167f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 5177f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 51842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 5191ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 52031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 52142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 52242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 52384d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 52484d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 52584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 52684d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 52784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 52884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 52984d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 53084d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 53123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 53284d0a19828599e8623223632d59447fd498999cfDouglas Gregor SS, Template, TNK)) { 53384d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 53484d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 53584d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 536193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 53784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 53884d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 53984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 540193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 54184d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 54284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 543193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 54484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 54584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 54684d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 54784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 54884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 54984d0a19828599e8623223632d59447fd498999cfDouglas Gregor AnnotateTemplateIdTokenAsType(SS); 550193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 55284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 55384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 55484d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 555193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 55684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 55784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 55884d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 559b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 56084d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 56184d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 56284d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 56384d0a19828599e8623223632d59447fd498999cfDouglas Gregor 56442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 565b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), SS, true); 566193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 567124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 56831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 56942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 57042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 57142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 57284d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 5735606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5745606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 5755606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DeclSpec DS; 5765606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 5775606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 5785606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.getTypeSpecScope() = *SS; 5795606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5805606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 5815606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 5825606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 5835606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 5845606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 5855606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 58642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 58742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 588e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 589e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 590e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 591d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 592e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 593e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 594e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 595e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 596e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 597e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 598e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 599e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 600e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 601e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 603e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 605e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 606e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 607e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 608e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 609e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 610e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 615e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 616e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 617e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 618e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 619e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 620e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 621e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 622e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 623e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 624e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 625e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 626e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 627e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 6284c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 6294c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 6304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 631d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 6324c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 6334c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 6344c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 6354c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 6364c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 6374c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 6384c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 6394c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 6404c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 641e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 642374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 643374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 64423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 645dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 646374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 647193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 648926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 649926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 650926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 651926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 652926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 653926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 654926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 655926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 656926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 657926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 658926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 659926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 660926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 661926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 662bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = 0; 663e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 664e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 665bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseGNUAttributes(); 666e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 667f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 668b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseMicrosoftDeclSpec(AttrList); 670193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 671bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 672bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 673bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 674bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isCXX0XAttributeSpecifier()) 675bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = addAttributeLists(AttrList, ParseCXX0XAttributes().AttrList); 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 677b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 678b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 679b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 681b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 682b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 683646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 684b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 685b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 686b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 687b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 688b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 689b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 691b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 692b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 693646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 694b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 695b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 697eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 698aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 69908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 70008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 70108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 702193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 703b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 704207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 7059ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 70608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 70708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 70808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 709cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 7102cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 7112cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 712cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 713e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 714e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 71539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 716e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 717e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 718e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 719193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7205ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 721193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 7222cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 7232cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 7242cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 7252cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 726193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, &SS, 7272cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 728314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 7292cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 7302cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 7312cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 7322cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 733193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7342cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 735c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 7362cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 7372cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 7382cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 7392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 7402cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 741193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 742193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 743c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 744c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 745c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 746c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 747c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 748c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 749193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 750c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 751c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 752c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 753c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 754c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 7552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 756193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 7572cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 758193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 759c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 760c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 761c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 7622cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 7632cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 76439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 76539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 76639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 767cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 768c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 76939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 77039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 77139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 77239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 77339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 77439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 77539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 77639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 77739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 7781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 78039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 78139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 782926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 783926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 784926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 78539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 786cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 787e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 788e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 789926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 790926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 791926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 792926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 793926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 79467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 79567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 79667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 79739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 798e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 799d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 800d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 801d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 802d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 803d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 804d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 805f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 806d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 807f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 808d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl else if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))){ 809d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 810d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 811d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 812d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 813d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 814d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 815d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 816d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 817d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 818f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 819d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 820d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 821f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 822d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 823d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 824f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 825e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 826f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 827e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 828207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 829f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 830207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 831207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 832207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 833207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 834207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 835e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 836e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 83739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 83839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 83939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 840e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 842e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 843ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 844d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 845d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 8464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 847402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 848f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 8494d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 8504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 8511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 85239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 85339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 8544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 855f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 8564d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 8574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 85823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 85945f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 8614d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 8634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 8642b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 8651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 8661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 8674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 869bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList); 87074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 87174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 87274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 87374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 87474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 875f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 876f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 87774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 878c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 8792b5289b6fd7e3d9899868410a498c081c9595662John McCall = Actions.ActOnTemplateIdType(TemplateId->Template, 8806b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 8816b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 8826b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 8836b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 8846b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 885c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 886c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 8874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 8884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 8894d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 8904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 8914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 8934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 8944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 8954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 8974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 8983f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 8994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 9004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 901f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 9024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 9044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 9051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 9064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 9074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 908849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 9094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 9114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 9124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 9134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 9154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 9184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 9194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 9204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 9214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 9234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 92423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 92539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 9262b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 9271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 92939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 931bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList, 932f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 933cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 934cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 9354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 93639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 9373f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 938f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 9393f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 9403f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 9413f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9423f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 9433f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 9443f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 94523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 94645f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 9471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 949bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt NameLoc, AttrList); 9503f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 9513f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 952f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 9533f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 9543f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 9553f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 956c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 957c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 9583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 95923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, SS, 960bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Name, NameLoc, AttrList, AS, 961f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 9627cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 9637cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 9641274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor Owned, IsDependent, false, 9651274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor clang::TypeResult()); 966c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 967c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 968c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 969c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 97023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 971193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 9723f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 973e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 974e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 975f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 976bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 977bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall (getLang().CPlusPlus && Tok.is(tok::colon))); 97807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 979212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 98007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 981212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 982e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 983e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 984b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // FIXME: The DeclSpec should keep the locations of both the keyword and the 985b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // name (if there is one). 986b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; 987b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 988b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 989b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 990b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 991c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 992b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result = DS.SetTypeSpecType(DeclSpec::TST_typename, TSTLoc, 993b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 994c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 995b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result = DS.SetTypeSpecType(TagType, TSTLoc, PrevSpec, DiagID, 996b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TagOrTempResult.get(), Owned); 997c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 998ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 99966e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 100066e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1002b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1003fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1004193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 10054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 10064ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 10074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 10084ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 10094ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 10104ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 10114ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1012f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1013b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 10144ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1015b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 10164ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 101799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 101899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 101999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 102099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 102199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 102299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 102399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1024c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 102516acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1026b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1027b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1028b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1029b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1030b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1031b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1032b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 103399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 103499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 103599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 103699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 103799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 103899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 103933f992425213f381fc503699b26ee8cf9b60494eDouglas Gregor case tok::kw_mutable: // struct foo {...} mutable x; 1040b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1041b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1042b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // almost noone actually writes code like this. If we see one of these, 1043b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1044b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1045b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1046b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1047b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1048b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1049b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1050b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1051b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1052b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1053b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1054b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1055b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1056b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 10574ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1058193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1059193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 10604ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1061b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1062b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1063b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1064b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1065193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1066b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 10674ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 10684ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 10694ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 10704ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 10714ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 10724ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 10734ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1074193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 10754ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 10764ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1077e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1078e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1080e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1081e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1082e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1083e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1084e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1085e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1086d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1087e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1088e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1089e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1090f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 1091ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1092f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1093e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1094e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1095f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 10965ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1097e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1098e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1099f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1100f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1101f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 11025ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1103e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1104e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1105e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1106e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1107e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1109e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1110e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1111e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1112f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1113f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1114beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1115e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1116e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1117e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1118e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1119e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1120e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1121e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1122e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1123e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1124e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1126e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1127e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1128d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1129e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1130e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1131e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1132e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1133e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1134e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1135e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1137e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1138e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1139e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 114092f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1141e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1143e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1144e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1145e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1146e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1147e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1148e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 11491ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1150849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1156eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1157eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1158b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1160e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 116242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 116342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 11647f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 116531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 116631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 116742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 11707f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 11711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1172e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1174a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 117531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 1176e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1177e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1178e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1179e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1180e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1181e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1182e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1183e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1184e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1186e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1187e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1188e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1189e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1190e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1191e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1192e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 11934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1194d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1195d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1196d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1197d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1198d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1200d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 1201d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1202d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1203d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1204d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1205d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1206d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 1207d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 1208d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 120923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1210d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1211d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1212d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1213d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1214d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1215d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 12168f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1217d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1218d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1219d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1220d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1221d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1222d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1223d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1224d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1225d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1226d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1227d33133cdc1af466f9c276249b2621be03867888bEli Friedman 12284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 12294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 12314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 12324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 12334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 12344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1235511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 12365aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1237bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 12384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 12404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 12414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 12424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 12444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 12454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 12464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 12474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 1248e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 12494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 12504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 12524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 12534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 125437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1255c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1256c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 125760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 125860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 125960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 12609ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 126160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 126260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 126360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 126460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 126560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 126660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 126760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 126860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 126960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 127060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1271b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 127260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 127360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 127460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1275b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 127660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 127760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 127860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 127960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 128060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 128160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 128260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 128360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 128460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 128560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 128660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 128723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 128860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 128960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 129060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 129160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 129260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 129360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 129460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 129560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 129660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1297511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1298682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 129937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 130097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 130197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1302682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1303682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 13041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1305682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 130737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 130897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 13104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1311682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1312682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 13135aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1314bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1315bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1316bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1317bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1318bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1319c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1320bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 13219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 13224ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 13234ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1324a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1325193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1326bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList AttrList; 1327bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 1328a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 1329bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrList = ParseCXX0XAttributes(); 1330334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet if (getLang().Microsoft && Tok.is(tok::l_square)) 1331334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ParseMicrosoftAttributes(); 1332bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 13339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 133437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 1335193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1336bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (AttrList.HasAttr) 1337bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(AttrList.Range.getBegin(), diag::err_attributes_not_allowed) 1338bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrList.Range; 13391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 13419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 13429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 13439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 13449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 13459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1346ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 13479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 13489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1349595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 13509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 13519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 13529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 13539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 13544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 13554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 13564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1357c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 1358bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(AttrList.AttrList); 135937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 13604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1361f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1362dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1363dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1364dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 13654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 13664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1367d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 1368c9068d7dd94d439cec66c421115d15303e481025John McCall Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 1369c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 137067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 13714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 137207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 137354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 13744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1376a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1377a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1378a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 13793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 13803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 13813a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 138210bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 13833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 13844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 13853a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 13863a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1387682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 13884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13901b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 13911b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson if (Tok.is(tok::kw___attribute)) { 13921b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson SourceLocation Loc; 13931b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson AttributeList *AttrList = ParseGNUAttributes(&Loc); 13941b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson DeclaratorInfo.AddAttributes(AttrList, Loc); 13951b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson } 13961b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 13973a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 13987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1399d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1400d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 14013a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 14023a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 14033a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 14043a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1405682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14063a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 14073a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 14083a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 14093a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 14103a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 14113a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 14123a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 14133a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 14143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1415682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14163a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 14174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 141837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1419682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 14203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 14214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 14244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 14254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 14264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1427d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> DeclsInGroup; 142860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 142960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Init; 1430e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 14314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 14324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 14334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 14344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 14354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 14364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 14374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 14384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 14390e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 14400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 14414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 14424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 14454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 14464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 14474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 14484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1449e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1450e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1451e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1452e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 14534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 14544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 145537bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (Tok.is(tok::kw_delete)) { 145637bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson if (!getLang().CPlusPlus0x) 145737bf9d2bb74944c9d9a52522412bc077629977f1Anders Carlsson Diag(Tok, diag::warn_deleted_function_accepted_as_extension); 1458e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1459e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1460e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1461e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1462e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1463e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1464e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 14654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 14664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1467e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1468e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1469e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 147060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1471e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1472e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1473e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1474e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1475e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1476e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1477e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 14784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1479ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1480ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1481bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1482ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1483ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 14844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 148507952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1486682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 148707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 148867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1489d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 149067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1491bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 149223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1493bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1494bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 149537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 149623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 149767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 149837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 149967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 150067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 1501d1a7846699a82f85ff3ce6b2e383409537c3f5c5Sebastian Redl /*IsDefinition*/Deleted, 150267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 150337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1504682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1505682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 15064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 150772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 15081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 150972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1510d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 151172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 151272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 151354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 151454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 15154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 15164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 15174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 15184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 15214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 15244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 152515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 152615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1527e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 15281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1530ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1531ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1532bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *AttrList = ParseGNUAttributes(&Loc); 1533ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1534ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 15354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 15373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 15384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1540ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1541ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1542ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1543ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1544ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1545682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 15464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 15474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 154823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1549ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 15504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 15514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 15534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 15554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 15564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 15574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1559d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 156031fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 15614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 156231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 15634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1564f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 1565f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 156826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 156926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 157026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 157123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 157226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 157326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 157426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 157526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 157626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 157726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 157826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 157926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 158026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 158126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 158226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 158326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 158426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 158526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 158626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 158726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 158826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 158926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 15904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 15923218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 15934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 15946569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 159526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 15966569d68745c8213709740337d2be52b031384f58Douglas Gregor 1597ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 159823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 1599bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1600bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 1601bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 1602bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1603bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 1604bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 1605db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 1606db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 160723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 1608bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 1609bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1610bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 1611bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1612bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 1613bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 1614bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 1615bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 161642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 161723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, LBraceLoc); 1618f9368159334ff86ea5fa367225c1a580977f3b03John McCall 16194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 16204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 16214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 16224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 16234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 16244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 16254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 16264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 16274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 162807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 162907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 163007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 163107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 163207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 163307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 163407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 163507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 163607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 163707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 163807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 163907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 164007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 164107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 16421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 164407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 164507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 164607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 164707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 164807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 164907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 165007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 165107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 165207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 165307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 165407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 165507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 16564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 165707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 16584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 165907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 166007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 166107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 166407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 166507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 16664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 16691e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> AttrList; 16704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 16710b4c9b5834a0a5520d2cd32227a53cf7f73fedcaDouglas Gregor AttrList.reset(ParseGNUAttributes()); 16724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 167342a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 167423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 167542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 167642a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall AttrList.get()); 16774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 16784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 16794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 16804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 16814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 16824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 168372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 168472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 168507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 16864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 168772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 168872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 1689e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 16906569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 16916569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 1692e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 16934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 16944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 169542a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 169623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 1697db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 16984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 16996569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 17008935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 17014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 17027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 17047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 17057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 17067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 17077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 17087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 17097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 17107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 17117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 17127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 17137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 17147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 17157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 17167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 17177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 17181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 17191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 17207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 17211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 17231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1724d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 17257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 17267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 17281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1729ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVector<CXXBaseOrMemberInitializer*, 4> MemInitializers; 17309db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 1731193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 17327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 17330133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 17340133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 17350133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 17360133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 17370133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor ConsumeCodeCompletionToken(); 17380133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 17390133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 17400133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 17410133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 17420133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 17430133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 17440133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 17450133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 17467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 17477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 17487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 17497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 1750b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 1751b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 1752751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 1753751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 1754751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 1755751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 1756751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 17577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1758d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 17597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 17607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 17617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 17637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 17659db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 17669db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 17677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 17687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 17697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 17707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 17717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 17727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 17737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 17747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 17757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 17777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 17787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 17797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1780d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 1781bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1782bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 1783b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 1784b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 1785961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1786961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1787961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1788d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 1789d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 1790961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1791961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1792b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 1793961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1794961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1795961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 17961ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 17977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 17987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 17991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 18017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1802961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 18037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 18047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 18067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 18071ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 18087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 18097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 18107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 18117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1813a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 18147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 18157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 18167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 18177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 18187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 18197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 18207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 18217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 182223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 1823961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1824a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1825a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor ArgExprs.size(), RParenLoc); 18267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 18270fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 18280fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 18290fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 18300fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1831a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1832a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1833a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 18341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1835a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1836a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1837a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 18380fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 18397dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1840b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall llvm::SmallVectorImpl<ParsedType> 1841ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1842b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall llvm::SmallVectorImpl<SourceRange> 1843ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 18447dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 18450fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18470fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 18481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18490fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 18500fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 18510fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 18520fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 18530fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1854a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1855a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1856a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 18577dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1858a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1859a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1860a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1861ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1862a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1863a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1864a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 18650fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1866ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 18670fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1868ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1869ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 18707dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1871ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1872ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 18730fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 18740fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 18757dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 18760fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 18770fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 18780fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1879ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 18800fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 18810fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 18826569d68745c8213709740337d2be52b031384f58Douglas Gregor 1883dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 1884dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 1885dab60ad68a3a98d687305941a3852e793705f945Douglas GregorTypeResult Parser::ParseTrailingReturnType() { 1886dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 1887dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1888dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 1889dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1890dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 1891dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 1892dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 1893dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 1894dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 1895dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 1896dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 1897dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1898dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor SourceRange Range; 1899dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 1900dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 1901dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 19026569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 19036569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 19046569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 1905d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 190626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 19076569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 190826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 19096569d68745c8213709740337d2be52b031384f58Douglas Gregor} 19106569d68745c8213709740337d2be52b031384f58Douglas Gregor 19116569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 19126569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 19136569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 19146569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 19156569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 19166569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 19176569d68745c8213709740337d2be52b031384f58Douglas Gregor} 19186569d68745c8213709740337d2be52b031384f58Douglas Gregor 19196569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 19206569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 19216569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 19226569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 19236569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 19246569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 19256569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 19266569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 19276569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 19286569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 19296569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19316569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 19326569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 19336569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 19346569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 19356569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 19366569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 19376569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 19396569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 19406569d68745c8213709740337d2be52b031384f58Douglas Gregor 19416569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 19426569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 19436569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 19446569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 19456569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 19466569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 19476569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 19486569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 19496569d68745c8213709740337d2be52b031384f58Douglas Gregor } 19506569d68745c8213709740337d2be52b031384f58Douglas Gregor 19516569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 19526569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 19536569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 195423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 19556569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 195623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 19576569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1958bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1959bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 1960bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 1961bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1962bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 1963bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 1964bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1965bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 1966bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 1967bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 1968bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1969bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 1970bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 1971bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1972bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 1973bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1974bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 1975bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1976bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 1977bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 1978bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1979bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 1980bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 1981bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1982bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 1983bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1984bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1985bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 1986bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 1987bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 1988bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 1989bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 1990bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 1991bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 1992bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 1993bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 1994bbd37c62e34db3f5a95c899723484a76c71d7757Sean HuntCXX0XAttributeList Parser::ParseCXX0XAttributes(SourceLocation *EndLoc) { 1995bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 1996bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 1997bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1998bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 1999bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttributeList *CurrAttr = 0; 2000bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2001bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2002bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2003193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2004bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2005bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2006bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2007bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2008bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2009bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2010bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2011bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2012bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2013bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2014bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2015bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2016bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2017bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2018193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2019bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2020bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2021bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2022bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2023bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2024bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2025bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2026bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2027bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2028193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2029bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2030bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2031bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2032bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2033bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2034bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2035bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2036bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2037bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2038bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2039bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2040bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2041bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2042bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 20437725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_base_check: 20447725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 2045bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_final: 20467725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_hiding: 20477725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_noreturn: 20487725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_override: { 2049bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2050bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2051bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2052bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2053bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2054bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2055bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 0, 2056bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation(), 0, 0, CurrAttr, false, 2057bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt true); 2058bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2059bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2060bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2061bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2062bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2063bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2064bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2065bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2066bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2067bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2068bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2069bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2070bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 207160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2072bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2073bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2074bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2075bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2076bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 2077bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CurrAttr = new AttributeList(AttrName, AttrLoc, 0, AttrLoc, 2078bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 0, ParamLoc, ArgExprs.take(), 1, CurrAttr, 2079bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt false, true); 2080bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2081bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2082bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2083bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2084bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2085bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2086bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2087bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2088bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2089bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2090bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2091bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2092bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2093bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2094bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2095bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2096bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2097bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2098bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2099bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2100bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2101bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2102bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2103bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2104bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr (CurrAttr, SourceRange(StartLoc, Loc), true); 2105bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return Attr; 2106bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2107bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2108bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2109bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2110bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2111bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2112bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2113bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2114bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2115bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 211660d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2117bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2118f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 2119bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2120b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = ParseTypeName().get(); 2121bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2122b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return Actions.ActOnSizeOfAlignOfExpr(TypeLoc, false, true, 2123b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Ty.getAsOpaquePtr(), TypeRange); 2124bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2125bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2126bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2127334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2128334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2129334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2130334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2131334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2132334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2133334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2134334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2135334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 2136334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichetvoid Parser::ParseMicrosoftAttributes() { 2137334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2138334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2139334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2140334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2141334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 2142334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2143334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2144334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2145