ParseDeclCXX.cpp revision 49f40bd0c9c9de5e74727774fec429b47d36303a
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" 17e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor#include "clang/Parse/DeclSpec.h" 188f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner#include "clang/Parse/Scope.h" 19bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner#include "ExtensionRAIIObject.h" 208f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 218f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 228f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// may either be a top level namespace or a block-level namespace alias. 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 258f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 268f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 278f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' attributes[opt] '{' namespace-body '}' 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 338f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier attributes[opt] '{' namespace-body '}' 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 408f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' original-namespace-name '{' namespace-body '}' 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 428f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 448f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 4597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseNamespace(unsigned Context, 4697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 4704d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 488f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 5149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteNamespaceDecl(CurScope); 5249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 5349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 5449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 558f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 568f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 576a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 586a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6004d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 618f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 628f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 638f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 658f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 66b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Action::AttrTy *AttrList = 0; 676a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 686a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 696a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 708f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 718f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner AttrList = ParseAttributes(); 726a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 746a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 756a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (AttrList) 766a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 776a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 7897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 796a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 815144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 835144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 845144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return DeclPtrTy(); 855144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 875144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 882d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 895144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 905144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 912d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 925144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner DeclPtrTy NamespcDecl = 935144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner Actions.ActOnStartNamespaceDef(CurScope, IdentLoc, Ident, LBrace); 942d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 955144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PrettyStackTraceActionsDecl CrashInfo(NamespcDecl, NamespaceLoc, Actions, 965144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PP.getSourceManager(), 975144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner "parsing namespace"); 981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 995144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) 1005144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseExternalDeclaration(); 1011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1025144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1035144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1048ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 10597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 10697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1072d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 10897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1095144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 111c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 112f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 113f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 114f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 11503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders CarlssonParser::DeclPtrTy Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 11797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 11897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 119f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 121f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 12449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteNamespaceAliasDecl(CurScope); 12549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 12649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 12749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 128f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 129f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 1302dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 131f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 132f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 133f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 134f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 135f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 136b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 137f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 138f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 139f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 14003bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 14103bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 1421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 143f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 14497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1456869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1466869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnNamespaceAliasDef(CurScope, NamespaceLoc, AliasLoc, Alias, 14903bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 150f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 151f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 152c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 153c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 154c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 155c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 156c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 157c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 158c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 159b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseLinkage(unsigned Context) { 160c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 161c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner llvm::SmallVector<char, 8> LangBuffer; 162c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 163c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner LangBuffer.resize(Tok.getLength()); 164c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner const char *LangBufPtr = &LangBuffer[0]; 165c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner unsigned StrSize = PP.getSpelling(Tok, LangBufPtr); 166c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 167c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 168c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 169074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 1701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy LinkageSpec 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnStartLinkageSpecification(CurScope, 172074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 173074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor Loc, LangBufPtr, StrSize, 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 175074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 176074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 177074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 178074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseDeclarationOrFunctionDefinition(); 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 180074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 182f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 183f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 184f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 185074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseExternalDeclaration(); 186f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 187c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 188f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 189074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, RBrace); 190c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 191e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 192f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 193f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 19497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 19597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 196f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 197f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 198f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 199f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 200f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 20149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 20249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsing(CurScope); 20349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 20449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 20549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 2062f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 207f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 20897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDirective(Context, UsingLoc, DeclEnd); 2092f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 2102f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 21197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 212f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 213f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 214f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 215f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 216f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 217f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 218f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 219f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 220f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 221f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 222f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 223f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 224b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 22597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 22697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 227f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 228f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 229f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 230f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 231f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 23249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 23349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor Actions.CodeCompleteUsingDirective(CurScope); 23449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor ConsumeToken(); 23549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 23649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor 237f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 238f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 2392dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 240f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 241f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor AttributeList *AttrList = 0; 242f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 243f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 244f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 245f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 246823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 247f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 248f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 249f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 250f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 251b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 252f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 2531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 254823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 255823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 256823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 259823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (Tok.is(tok::kw___attribute)) 260823c44e6d73141f642e207980b4021ddcf09897bChris Lattner AttrList = ParseAttributes(); 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 26397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2646869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 2656869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner AttrList ? diag::err_expected_semi_after_attribute_list : 2666869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 267f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 268f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor return Actions.ActOnUsingDirective(CurScope, UsingLoc, NamespcLoc, SS, 269823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc, NamespcName, AttrList); 270f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 271f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 272f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 273f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 274f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 275f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 276f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 2779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 2789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 279f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 280b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 28197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 282595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 283595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 2849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 2859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 2869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 2889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 2899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 2909cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 2919cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2929cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 2939cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 2949cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2959cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 2962dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 2979cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2989cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttributeList *AttrList = 0; 2999cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3009cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 3019cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 3029cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3039cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3059cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::annot_template_id)) { 30673b39cf02eaa346c6d7a76c32bf13759de7516dbAnders Carlsson // C++0x N2914 [namespace.udecl]p5: 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // A using-declaration shall not name a template-id. 30873b39cf02eaa346c6d7a76c32bf13759de7516dbAnders Carlsson Diag(Tok, diag::err_using_decl_can_not_refer_to_template_spec); 3099cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3130c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentifierInfo *TargetName = 0; 3140c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson OverloadedOperatorKind Op = OO_None; 3150c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson SourceLocation IdentLoc; 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3170c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson if (Tok.is(tok::kw_operator)) { 3180c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc = Tok.getLocation(); 3190c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 3200c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson Op = TryParseOperatorFunctionId(); 3210c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson if (!Op) { 3220c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // If there was an invalid operator, skip to end of decl, and eat ';'. 3230c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson SkipUntil(tok::semi); 3240c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson return DeclPtrTy(); 3250c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } 3260c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } else if (Tok.is(tok::identifier)) { 3270c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // Parse identifier. 3280c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson TargetName = Tok.getIdentifierInfo(); 3290c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc = ConsumeToken(); 3300c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } else { 3310c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // FIXME: Use a better diagnostic here. 3329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(Tok, diag::err_expected_ident_in_using); 3330c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 3349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // If there was invalid identifier, skip to end of decl, and eat ';'. 3359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttrList = ParseAttributes(); 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 3469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttrList ? "attributes list" : "namespace name", tok::semi); 3479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 348595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson return Actions.ActOnUsingDeclaration(CurScope, AS, UsingLoc, SS, 3490c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc, TargetName, Op, 3500c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson AttrList, IsTypeName); 351f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 352f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 353511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 354511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 355511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 356511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 357511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 35897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 359511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 360511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 362511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 363511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 364b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 365511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 367511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 368e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 369511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 370511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 371511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 372b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 373511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 375ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 376b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 377ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 378511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 379511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 380511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 381b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 382511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 384511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 386b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 387511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 38894b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 391511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 392511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 39494b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 395511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 396511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 3976fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 3986fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 3996fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 4006fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 4016fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 4026fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 4036fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4046fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 4056fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 4086fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 4096fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4106fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4116fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4136fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4156fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 4166fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 4176fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 4186fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 4196fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4206fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4256fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4266fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4286fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 436fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 439fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 440fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 44342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 44442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 44542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4467f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 44742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 44842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 44942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 45042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4517f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 45331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 454d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian const CXXScopeSpec *SS, 455d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian bool DestrExpected) { 4567f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4577f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4597f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 460c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 46131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4627f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4637f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4647f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4657f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4667f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 46731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 46831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 46931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 47031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4717f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4727f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4737f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4747f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4757f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 47642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4771ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 47831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 47942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 48042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 48142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeTy *Type = Actions.getTypeName(*Tok.getIdentifierInfo(), 48342c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor Tok.getLocation(), CurScope, SS, 48442c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor true); 48542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (!Type) { 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, DestrExpected ? diag::err_destructor_class_name 487d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian : diag::err_expected_class_name); 48831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 48942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 49042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 49142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 4927f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = ConsumeToken(); 49342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 49442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 49542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 496e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 497e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 498e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 499e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 500e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 501e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 502e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 503e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 504e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 505e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 506e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 507e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 508e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 509e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 511e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 513e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 514e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 515e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 516e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 517e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 518e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 519e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 523e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 524e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 525e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 526e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 527e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 528e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 529e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 530e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 531e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 532e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 533e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 534e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 535e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5364c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5374c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 53906c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS) { 5404c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5414c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5424c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5434c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5444c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5454c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5464c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 5484c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 549e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 550374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 551374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 552374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 553374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor ConsumeToken(); 554374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 555374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor 556e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AttributeList *Attr = 0; 557e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 558e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 559e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Attr = ParseAttributes(); 560e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 561f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 562290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 563290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman Attr = ParseMicrosoftDeclSpec(Attr); 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 565b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 566b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 567b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 569b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 570b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 571b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 572b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 573b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 574b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 575b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 576b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 577b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 579b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 580b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 581b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 582b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 583b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 585eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 586eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().CPlusPlus && 5882dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true)) 58939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 590eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Diag(Tok, diag::err_expected_ident); 591cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 592cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 593e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 594e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 59539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 596e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 597e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 598e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 59939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 60039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 60139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 602cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 603c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 60439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 60539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 60639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 60739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 60839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 60939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 61039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 61139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 61239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 61539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 61639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 61739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 618cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 619e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 620e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 62167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 62267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 62367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 62439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 625e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 6260f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 627e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) 6280f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Definition; 62967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall else if (Tok.is(tok::semi)) 63067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 631e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 6320f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 633e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 6340f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 635e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 6361ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 6371ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 638e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 639e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this declarator, up until the comma or semicolon. 640e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 64139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 64239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 64339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 644e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 645e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 646e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 647ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 648c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 649c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 6504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6520f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall // FIXME: When TUK == TUK_Reference and we have a template-id, we need 6534d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 6544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 655402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 656f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 6574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 6584d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 66039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 66139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgIsType(), 66239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 6634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 6640f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 6654d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 6664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 66845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 6704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 6724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 6751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 6764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 6774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateId->getTemplateArgLocations(), 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 6794d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Attr); 680f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall } else if (TUK == Action::TUK_Reference || TUK == Action::TUK_Friend) { 681c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 6826b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 6836b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 6846b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 6856b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 6866b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->getTemplateArgLocations(), 6876b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 6886b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 689c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 690c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 6914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 6924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 6934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 6944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 6954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 6974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 6984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 6994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 7004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 7014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 7023f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 7034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 7044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 7050f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 7064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 7084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 7104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 7114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 7124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 7134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 7154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 7164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 7174d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 7194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 7224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 7234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 7244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 7254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 7274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 7280f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 72939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 73339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 73439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgLocations(), 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 73639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Attr, 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 738cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 739cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 7404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 74139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 7423f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7430f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7443f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 7453f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 7463f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 7473f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 7483f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 7493f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 75145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 7543f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor NameLoc, Attr); 7553f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 7563f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7570f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 7583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 7593f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 7603f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 761c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 762c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 7633f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 7657cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor Name, NameLoc, Attr, AS, 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 7677cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 7687cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 769c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 770c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 771c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 772c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 773c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 774c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 775c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall SS, Name, StartLoc, NameLoc); 7763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 777e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 778e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the optional base clause (C++ only). 77922bd905673a73ccb9b5e45a7038ec060c9650ffeChris Lattner if (getLang().CPlusPlus && Tok.is(tok::colon)) 780212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseBaseClause(TagOrTempResult.get()); 781e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 782e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 783e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace)) 78407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 785212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 78607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 787212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 7880f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall else if (TUK == Action::TUK_Definition) { 789e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Complain that we have a base-specifier list but no 790e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // definition. 7911ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 792e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 793e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 794c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 795c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 796c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 797c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 798c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 799c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 800c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 801c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 802ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 80366e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 80466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 806fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 807fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 808c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 809fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (DS.SetTypeSpecType(TagType, StartLoc, PrevSpec, DiagID, 810c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 811fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 812e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 813e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 815e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 816e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 817e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 818e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 819e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 820e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 821b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 822e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 823e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 824e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 825f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 826f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 827f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 828e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 829e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 830f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 8315ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 832e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 833e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 834f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 835f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 836f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 8375ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 838e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 839e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 840e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 842e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 844e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 845e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 846e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 847f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 848f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 849beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 850e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 851e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 852e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 853e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 854e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 856e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 857e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 858e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 859e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 860e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 861e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 862e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 863b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 864e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 865e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 866e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 867e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 868e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 869e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 870e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 871e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 872e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 873e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 874e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 875e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Access) 876e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 878e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 879e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 880e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 881e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 882e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 883e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 8841ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 88531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor << CodeModificationHint::CreateRemoval(SourceRange(VirtualLoc)); 886e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 887e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 888e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 889e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 890e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 891eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 892eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 8932dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 894e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 895e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 896e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 89742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 89842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 8997f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 90031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 90131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 90242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 9057f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 907e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 908e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 909a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 91031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 911e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 912e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 913e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 914e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 915e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 916e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 917e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 918e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 919e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 921e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 922e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 923e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 924e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 925e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 926e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 927e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 9284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 929d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 930d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 931d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 932d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 933d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 935d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 936d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 937d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 938d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 939d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 940d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 941d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 942d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 943d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 944d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 945d33133cdc1af466f9c276249b2621be03867888bEli Friedman 946d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 947d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 948d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 949d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 950d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 951d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param)); 952d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 953d33133cdc1af466f9c276249b2621be03867888bEli Friedman 954d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 955d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 956d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 957d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 958d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 959d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 960d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 961d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 962d33133cdc1af466f9c276249b2621be03867888bEli Friedman 9634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 9644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 9664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 9674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 9684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 9694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 970511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 9715aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 972bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 9734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 9754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 9764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 9774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 9794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 9804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 9814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 9824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 983e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 9844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 9854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 9874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 9884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 98937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 99037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 991511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 992682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 99337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 99497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 99597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 996682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 997682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 999682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 100137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 100297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 10044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1005682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1006682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 10075aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1008bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1009bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1010bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1011bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1012bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 101337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 1014bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 10159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 10169cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 101737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 10209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 10219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 10229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 10239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 10249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 10259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 10269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else { 10279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 10289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1029595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 10309cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 10319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 10329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 10339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 10344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 10354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 10364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 10374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclSpec DS; 103837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 10394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1040dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1041dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1042dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1043dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 10444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 10454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 104667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 10474111181534e8257f592b6b7db57694af7cd04b06Anders Carlsson if (DS.isFriendSpecified()) { 1048dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Actions.ActOnFriendTypeDecl(CurScope, DS, move(TemplateParams)); 10494111181534e8257f592b6b7db57694af7cd04b06Anders Carlsson } else 1050682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 105167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 105267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 10534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 105407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 10554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::MemberContext); 10564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10573a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 10583a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 10593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 10603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 106110bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 10623a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 10634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 10643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 10653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1066682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 10707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1071d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1072d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 10733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 10743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 10753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 10763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1077682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 10803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 10813a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 10823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 10833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 10843a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 10853a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 10863a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1087682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10883a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 109037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1091682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10923a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 10964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 10974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 10984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1099682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 110015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 110115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1102e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 11034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 11054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 11074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 11084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 11094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 11104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 11124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 11130e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 11140e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 11154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 11164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 11194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 11204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 11214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 11224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1123e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1124e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1125e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1126e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 11274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 11294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1130e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1131e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1132e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1133e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1134e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1135e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1136e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1137e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 11384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1141ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1142ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1143ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 1144ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1145ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 11464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 114707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1148682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 114907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 115067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 115167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 115267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1153bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1154bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1155bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1156bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 115737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 115867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 115967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 116037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 116167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 116267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 116367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 116437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1165682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1166682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 11674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 116872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 11691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 117072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1171d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 117272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 117372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 11744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 11754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 11764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 11774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 11804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 11834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 118415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 118515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1186e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 11871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1189ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1190ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1191ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 1192ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1193ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 11944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11953a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 11963a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 11974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1201c1dc653b08226c1d8e1732f9d8b03b82869900bcEli Friedman Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1202682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.size()); 1203682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 12074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 12084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 12094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 12104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1211682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 12124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 12134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 12154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 12174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 12184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 12194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1221b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 122231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 12234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 122431fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 12254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 122649f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 122749f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 122849f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation LBraceLoc = ConsumeBrace(); 12314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12326569d68745c8213709740337d2be52b031384f58Douglas Gregor // Determine whether this is a top-level (non-nested) class. 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool TopLevelClass = ClassStack.empty() || 12346569d68745c8213709740337d2be52b031384f58Douglas Gregor CurScope->isInCXXInlineMethodScope(); 12354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 12373218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 12384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12396569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 12406569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, TopLevelClass); 12416569d68745c8213709740337d2be52b031384f58Douglas Gregor 1242ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1243ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1244ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor else { 1245ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1246ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1247ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 12484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 12504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 12514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 12524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 12534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 12544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 12554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 12564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 12574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 12594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 12604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 12611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 12634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::ext_extra_struct_semi); 12654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 12674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 12704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 12714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 12724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 12734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 12754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 12764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 127837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 12814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 12824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 12851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 12874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 12884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 12894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttrList = ParseAttributes(); // FIXME: where should I put them? 12904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 12924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 12934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 12954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 12964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 12974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 12984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 129972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 130072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 13016569d68745c8213709740337d2be52b031384f58Douglas Gregor if (TopLevelClass) { 13024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 130372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 130472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 13056569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 13066569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 13074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 13084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 13094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 13106569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 13118935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 13124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 131307a5b282fbe719986df9ed05543081ea0ed94aa5Argyrios Kyrtzidis Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 13144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 13157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 13177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 13187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 13197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 13207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 13227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 13237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 13247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 13257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 13267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 13277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 13287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 13297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 13307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 13337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1337b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 13387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 13397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 13457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 13465ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 13475ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 13487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 13507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 13517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 13527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 13537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 13547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1355d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 13567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 13577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 13587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 13607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 1362beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad MemInitializers.data(), MemInitializers.size()); 13637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 13647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13657ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 13667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 13677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 13687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 13697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 13717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 13737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 13747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 13757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1376b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1377bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1378bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 13792dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1380961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1381961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1382961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1383961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1384961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (TemplateId->Kind == TNK_Type_template) { 1385961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1386961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1387961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1388961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1389961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian // FIXME. May need to check for TNK_Dependent_template as well. 1390961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1391961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 13921ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 13937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 13977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1398961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 13997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 14007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 14027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 14031ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 14047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 14057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 14077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1409a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 14107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 14117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 14127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 14137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 14147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 14157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 14167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 14177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1418961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1419961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1420a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1421beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1422beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 14237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 14240fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 14250fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 14260fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 14270fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1428a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1429a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1430a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1432a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1433a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1434a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 14350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 14367dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1437ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1438ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1439ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1440ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 14417dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 14420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14440fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14460fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 14470fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 14480fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 14490fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 14500fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1451a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1452a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1453a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 14547dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1455a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1456a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1457a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1458ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1459a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1460a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1461a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 14620fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1463ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 14640fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1465ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1466ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 14677dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1468ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1469ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 14700fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 14710fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 14727dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 14730fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 14740fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 14750fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1476ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 14770fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 14780fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 14796569d68745c8213709740337d2be52b031384f58Douglas Gregor 14806569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 14816569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 14826569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 14836569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool TopLevelClass) { 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((TopLevelClass || !ClassStack.empty()) && 14856569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 14866569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, TopLevelClass)); 14876569d68745c8213709740337d2be52b031384f58Douglas Gregor} 14886569d68745c8213709740337d2be52b031384f58Douglas Gregor 14896569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 14906569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 14916569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 14926569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 14936569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 14946569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 14956569d68745c8213709740337d2be52b031384f58Douglas Gregor} 14966569d68745c8213709740337d2be52b031384f58Douglas Gregor 14976569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 14986569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 14996569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 15006569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 15016569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 15026569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 15036569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 15046569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 15056569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 15066569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 15076569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 15081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15096569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 15106569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 15116569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 15126569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 15136569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 15146569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 15156569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 15176569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 15186569d68745c8213709740337d2be52b031384f58Douglas Gregor 15196569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 15206569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 15216569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 15226569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 15236569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 15246569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 15256569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 15266569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 15276569d68745c8213709740337d2be52b031384f58Douglas Gregor } 15286569d68745c8213709740337d2be52b031384f58Douglas Gregor 15296569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 15306569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 15316569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 15326569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 15336569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 15346569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 15356569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1536