ParseDeclCXX.cpp revision d33133cdc1af466f9c276249b2621be03867888b
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 '}' 418f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 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'. 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 508f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 518f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 526a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 536a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 548f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 5504d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 568f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 578f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 588f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 598f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 608f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 61b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Action::AttrTy *AttrList = 0; 626a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 636a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 646a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 658f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 668f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner AttrList = ParseAttributes(); 676a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 688f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 696a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 706a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (AttrList) 716a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 726a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 7397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 746a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 75f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 765144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 775144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner Diag(Tok, Ident ? diag::err_expected_lbrace : 785144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 795144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return DeclPtrTy(); 805144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 815144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner 825144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 832d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 845144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 855144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 862d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 875144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner DeclPtrTy NamespcDecl = 885144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner Actions.ActOnStartNamespaceDef(CurScope, IdentLoc, Ident, LBrace); 892d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 905144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PrettyStackTraceActionsDecl CrashInfo(NamespcDecl, NamespaceLoc, Actions, 915144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner PP.getSourceManager(), 925144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner "parsing namespace"); 935144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner 945144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) 955144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseExternalDeclaration(); 965144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner 975144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 985144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 998ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 10097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 10197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1022d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 10397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1045144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1058f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 106c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 107f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 108f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 109f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 11003bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders CarlssonParser::DeclPtrTy Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 11103bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation AliasLoc, 11297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 11397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 114f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 115f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 116f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 117f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 118f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 119f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 120f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ParseOptionalCXXScopeSpecifier(SS); 121f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 122f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 123f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 124f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 125f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 126b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 127f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 128f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 129f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 13003bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 13103bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 132f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 133f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 13497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 1356869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 1366869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 137f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 13803bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson return Actions.ActOnNamespaceAliasDef(CurScope, NamespaceLoc, AliasLoc, Alias, 13903bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 140f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 141f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 142c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 143c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 144c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 145c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 146c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 147c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 148c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 149b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseLinkage(unsigned Context) { 150c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 151c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner llvm::SmallVector<char, 8> LangBuffer; 152c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 153c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner LangBuffer.resize(Tok.getLength()); 154c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner const char *LangBufPtr = &LangBuffer[0]; 155c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner unsigned StrSize = PP.getSpelling(Tok, LangBufPtr); 156c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 157c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 158c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 159074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 160b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy LinkageSpec 161074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor = Actions.ActOnStartLinkageSpecification(CurScope, 162074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 163074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor Loc, LangBufPtr, StrSize, 164074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor Tok.is(tok::l_brace)? Tok.getLocation() 165074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 166074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 167074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 168074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseDeclarationOrFunctionDefinition(); 169074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 170074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 171f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 172f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 173f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 174f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 175074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseExternalDeclaration(); 176f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 177c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 178f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 179074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, RBrace); 180c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 181e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 182f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 183f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 18497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 18597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 186f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 187f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 188f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 189f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 190f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 1912f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner if (Tok.is(tok::kw_namespace)) 192f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Next token after 'using' is 'namespace' so it must be using-directive 19397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDirective(Context, UsingLoc, DeclEnd); 1942f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 1952f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner // Otherwise, it must be using-declaration. 19697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner return ParseUsingDeclaration(Context, UsingLoc, DeclEnd); 197f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 198f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 199f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 200f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 201f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 202f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 203f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 204f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 205f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 206f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 207f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 208f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 209b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDirective(unsigned Context, 21097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 21197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 212f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 213f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 214f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 215f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 216f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 217f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 218f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 2197a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner ParseOptionalCXXScopeSpecifier(SS); 220f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 221f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor AttributeList *AttrList = 0; 222f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 223f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 224f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 225f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 226823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 227f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 228f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 229f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 230f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 231b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 232f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 233823c44e6d73141f642e207980b4021ddcf09897bChris Lattner 234823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 235823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 236823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 237823c44e6d73141f642e207980b4021ddcf09897bChris Lattner 238823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 239823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (Tok.is(tok::kw___attribute)) 240823c44e6d73141f642e207980b4021ddcf09897bChris Lattner AttrList = ParseAttributes(); 241823c44e6d73141f642e207980b4021ddcf09897bChris Lattner 242823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 24397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2446869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 2456869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner AttrList ? diag::err_expected_semi_after_attribute_list : 2466869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner diag::err_expected_semi_after_namespace_name, "", tok::semi); 247f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 248f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor return Actions.ActOnUsingDirective(CurScope, UsingLoc, NamespcLoc, SS, 249823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc, NamespcName, AttrList); 250f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 251f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 252f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDeclaration - Parse C++ using-declaration. Assumes that 253f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' was already seen. 254f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 255f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 256f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 2579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 2589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 259f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 260b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseUsingDeclaration(unsigned Context, 26197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation UsingLoc, 26297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 2639cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 2649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 2659cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2669cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 2679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 2689cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 2699cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 2709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 2729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 2739cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 2759cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ParseOptionalCXXScopeSpecifier(SS); 2769cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttributeList *AttrList = 0; 2789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2799cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 2809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 2819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 2829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 2839cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::annot_template_id)) { 2859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(Tok, diag::err_unexpected_template_spec_in_using); 2869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 2879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 2889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2890c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 2900c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentifierInfo *TargetName = 0; 2910c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson OverloadedOperatorKind Op = OO_None; 2920c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson SourceLocation IdentLoc; 2930c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 2940c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson if (Tok.is(tok::kw_operator)) { 2950c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc = Tok.getLocation(); 2960c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 2970c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson Op = TryParseOperatorFunctionId(); 2980c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson if (!Op) { 2990c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // If there was an invalid operator, skip to end of decl, and eat ';'. 3000c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson SkipUntil(tok::semi); 3010c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson return DeclPtrTy(); 3020c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } 3030c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } else if (Tok.is(tok::identifier)) { 3040c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // Parse identifier. 3050c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson TargetName = Tok.getIdentifierInfo(); 3060c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc = ConsumeToken(); 3070c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } else { 3080c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // FIXME: Use a better diagnostic here. 3099cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(Tok, diag::err_expected_ident_in_using); 3100c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 3119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // If there was invalid identifier, skip to end of decl, and eat ';'. 3129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3169cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3189cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttrList = ParseAttributes(); 3199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 3239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttrList ? "attributes list" : "namespace name", tok::semi); 3249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 3259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return Actions.ActOnUsingDeclaration(CurScope, UsingLoc, SS, 3260c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc, TargetName, Op, 3270c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson AttrList, IsTypeName); 328f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 330511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 331511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 332511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 333511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 334511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 33597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 336511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 337511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 338511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 339511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 340511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 341b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 342511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 343511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 344511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 345e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 346511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 347511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 348511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 349b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 350511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 351511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 352ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 353b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 354ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 355511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 356511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 357511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 358b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 359511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 360511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 361511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 362511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertMessage.isInvalid()) 363b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 364511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 36594b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 366511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 36797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 368511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 369511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 370ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 37194b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 372511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 373511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 3746fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 3756fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 3766fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 3776fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 3786fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 3796fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 3806fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 3816fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 3826fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 3836fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 3846fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 3856fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 3866fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 3876fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 3886fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 3896fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 3906fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 3916fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 3926fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 3936fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 3946fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 3956fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 3966fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 3976fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 3986fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 3996fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4006fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4016fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4026fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4036fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4046fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4056fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4066fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4076fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4086fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4096fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4106fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4116fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4126fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 4136fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4146fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 4156fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Result.release())) 4166fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Diag(StartLoc, diag::err_invalid_decl_spec_combination) << PrevSpec; 4176fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4186fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 41942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 42042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 42142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4227f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 42342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 42442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 42542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 42642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4277f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 42842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 42931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 430d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian const CXXScopeSpec *SS, 431d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian bool DestrExpected) { 4327f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4337f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4347f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TemplateIdAnnotation *TemplateId 4357f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 436c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 43731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4387f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4397f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4407f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4417f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4427f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 44331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 44431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 44531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 44631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4477f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4487f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4497f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4507f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4517f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 45242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4531ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 45431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 45542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 45642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 45742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 458b696ea3a0693798daeafd896d77f0b8f1fec3cc5Douglas Gregor TypeTy *Type = Actions.getTypeName(*Tok.getIdentifierInfo(), 459b696ea3a0693798daeafd896d77f0b8f1fec3cc5Douglas Gregor Tok.getLocation(), CurScope, SS); 46042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (!Type) { 461d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian Diag(Tok, DestrExpected ? diag::err_destructor_class_name 462d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian : diag::err_expected_class_name); 46331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 46442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 46542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 46642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 4677f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = ConsumeToken(); 46842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 46942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 47042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 471e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 472e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 473e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 474e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 475e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 476e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 477e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 478e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 479e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 480e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 481e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 482e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 483e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 484e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 485e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] nested-name-specifier 486e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 487e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 488e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 489e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 490e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 491e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 492e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 493e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 494e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 495e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key ::[opt] nested-name-specifier[opt] identifier 496e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 497e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id 498e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 499e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 500e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 501e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 502e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 503e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 504e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 505e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 506e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 507e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 508e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 509e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 510e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5114c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5124c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 51406c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS) { 5154c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5164c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5174c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5184c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5194c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5204c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5214c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5224c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 5234c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 524e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 525e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AttributeList *Attr = 0; 526e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 527e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 528e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Attr = ParseAttributes(); 529e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 530f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 531290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 532290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman Attr = ParseMicrosoftDeclSpec(Attr); 533f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff 534eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 535eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 53639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (getLang().CPlusPlus && ParseOptionalCXXScopeSpecifier(SS)) 53739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 538eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Diag(Tok, diag::err_expected_ident); 539cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 540cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 541e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 542e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 54339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 544e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 545e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 546e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 54739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 54839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 54939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 550cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 551c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 55239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 55339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 55439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 55539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 55639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 55739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 55839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 55939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 56039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 561cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 56239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 56339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 56439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 56539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 566cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 567e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 568e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 569e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // There are three options here. If we have 'struct foo;', then 570e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // this is a forward declaration. If we have 'struct foo {...' or 57139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 572e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 573e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Action::TagKind TK; 574e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) 575e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor TK = Action::TK_Definition; 5765dc2af12bdb8c71c01556f7d5780c5ef94af0306Anders Carlsson else if (Tok.is(tok::semi) && !DS.isFriendSpecified()) 577e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor TK = Action::TK_Declaration; 578e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 579e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor TK = Action::TK_Reference; 580e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 58139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!Name && !TemplateId && TK != Action::TK_Definition) { 582e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 5831ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 5841ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 585e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 586e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this declarator, up until the comma or semicolon. 587e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 58839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 58939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 59039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 591e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 592e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 593e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 594ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 595212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor Action::DeclResult TagOrTempResult; 5964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 5974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 5984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // FIXME: When TK == TK_Reference and we have a template-id, we need 5994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 6004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 601402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 60239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId && TK != Action::TK_Reference) { 6034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 6044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 60539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, 60639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 60739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgIsType(), 60839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 6094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 6104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TK == Action::TK_Declaration) { 6114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 6124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 6134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = Actions.ActOnExplicitInstantiation(CurScope, 6144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 6154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 6164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor StartLoc, 6174d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 6184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateTy::make(TemplateId->Template), 6194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateId->TemplateNameLoc, 6204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateId->LAngleLoc, 6214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 6224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateId->getTemplateArgLocations(), 6234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateId->RAngleLoc, 6244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Attr); 6254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 6264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 6274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 6284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 6294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 6314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 6324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 6334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 6344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 6354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 6363f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 6374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 6384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 6393f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor assert(TK == Action::TK_Definition && "Expected a definition here"); 6404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SourceLocation LAngleLoc 6424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 6434d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Diag(TemplateId->TemplateNameLoc, 6444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 6454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 6464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 6474d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 6494d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 6504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 6514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 6524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Actions.ActOnTemplateParameterList(0, SourceLocation(), 6534d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 6544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc, 6554d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 0, 0, 6564d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 6574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 6584d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 6594d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6604d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 6614d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 6624d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TK, 66339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 6647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateTy::make(TemplateId->Template), 66539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->TemplateNameLoc, 66639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->LAngleLoc, 66739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 66839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgLocations(), 66939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->RAngleLoc, 67039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Attr, 671cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor Action::MultiTemplateParamsArg(Actions, 672cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 673cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 6744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 67539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 6763f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateParams && TK != Action::TK_Reference) { 6773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Class template declaration or definition. 678212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor TagOrTempResult = Actions.ActOnClassTemplate(CurScope, TagType, TK, 679212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor StartLoc, SS, Name, NameLoc, 680212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor Attr, 681ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Action::MultiTemplateParamsArg(Actions, 682ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor &(*TemplateParams)[0], 6835aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson TemplateParams->size()), 6845aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson AS); 6853f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 6863f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TK == Action::TK_Declaration) { 6873f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 6883f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 6893f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 6903f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 6913f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 6923f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 6933f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor = Actions.ActOnExplicitInstantiation(CurScope, 6943f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TemplateInfo.TemplateLoc, 6953f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagType, StartLoc, SS, Name, 6963f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor NameLoc, Attr); 6973f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 6983f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 6993f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TK == Action::TK_Definition) { 7003f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 7013f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 7023f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 7033f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 7043f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TK, StartLoc, SS, 705402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor Name, NameLoc, Attr, AS, Owned); 7063f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 707e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 708e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the optional base clause (C++ only). 70922bd905673a73ccb9b5e45a7038ec060c9650ffeChris Lattner if (getLang().CPlusPlus && Tok.is(tok::colon)) 710212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseBaseClause(TagOrTempResult.get()); 711e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 712e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 713e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace)) 71407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 715212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 71607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 717212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 718e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else if (TK == Action::TK_Definition) { 719e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Complain that we have a base-specifier list but no 720e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // definition. 7211ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 722e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 723e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 724e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor const char *PrevSpec = 0; 72566e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson if (TagOrTempResult.isInvalid()) { 726ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 72766e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 72866e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 72966e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson 73066e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson if (DS.SetTypeSpecType(TagType, StartLoc, PrevSpec, 731402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor TagOrTempResult.get().getAs<void>(), Owned)) 7321ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_invalid_decl_spec_combination) << PrevSpec; 733d4f551b3491777ffcc7f2664327810219b7e0e16Anders Carlsson 734d4f551b3491777ffcc7f2664327810219b7e0e16Anders Carlsson if (DS.isFriendSpecified()) 735d4f551b3491777ffcc7f2664327810219b7e0e16Anders Carlsson Actions.ActOnFriendDecl(CurScope, DS.getFriendSpecLoc(), 736d4f551b3491777ffcc7f2664327810219b7e0e16Anders Carlsson TagOrTempResult.get()); 737e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 738e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 739e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 740e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 741e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 742e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 743e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 744e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 745e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 746b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 747e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 748e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 749e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 750f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 751f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 752f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 753e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 754e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 755f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 7565ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 757e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 758e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 759f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 760f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 761f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 7625ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 763e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 764e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 765e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 766e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 767e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 768e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 769e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 770e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 771e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 772f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 773f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 774beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 775e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 776e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 777e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 778e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 779e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 780e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 781e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 782e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 783e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 784e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 785e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 786e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 787e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 788b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 789e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 790e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 791e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 792e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 793e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 794e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 795e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 796e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 797e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 798e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 799e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 800e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Access) 801e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 802e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 803e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 804e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 805e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 806e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 807e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 808e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 8091ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 81031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor << CodeModificationHint::CreateRemoval(SourceRange(VirtualLoc)); 811e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 812e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 813e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 814e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 815e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 816eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 817eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 8187a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner ParseOptionalCXXScopeSpecifier(SS); 819e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 820e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 821e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 82242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 82342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 8247f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 82531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 82631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 82742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 828e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 829e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Find the complete source range for the base-specifier. 8307f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 831e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 832e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 833e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 834a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 83531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 836e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 837e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 838e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 839e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 840e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 842e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 843e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 844e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 8451b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas GregorAccessSpecifier Parser::getAccessSpecifierIfPresent() const 846e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor{ 847e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 848e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 849e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 850e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 851e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 852e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 853e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 8544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 855d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 856d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 857d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 858d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 859d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 860d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclaratorChunk::FunctionTypeInfo &FTI 861d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 862d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 863d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 864d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 865d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 866d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 867d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 868d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 869d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 870d33133cdc1af466f9c276249b2621be03867888bEli Friedman 871d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 872d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 873d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 874d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 875d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 876d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param)); 877d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 878d33133cdc1af466f9c276249b2621be03867888bEli Friedman 879d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 880d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 881d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 882d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 883d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 884d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 885d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 886d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 887d33133cdc1af466f9c276249b2621be03867888bEli Friedman 8884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 8894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 8904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 8914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 8924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 8934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 8944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 895511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 8965aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 897bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 8984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 8994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 9004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 9014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 9024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 9044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 9054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 9064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 9074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 908e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 9094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 9104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 9124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 9134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 914682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattnervoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS) { 915511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 916682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 91797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 91897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 919682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 920682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 921511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 922682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 92397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 9244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 9254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 926682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 927682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 9285aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 929bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 930bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 931bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 932bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 933bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 934bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner return ParseCXXClassMemberDeclaration(AS); 935bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 9369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 9379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 9389cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 9399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 9409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 9419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 9429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 9439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 9449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 9459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else { 9469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 9479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 9489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd); 9499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 9509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 9519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 9529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 9534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 9544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 9554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 9564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclSpec DS; 9574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ParseDeclarationSpecifiers(DS, ParsedTemplateInfo(), AS); 9584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 9594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 9604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 9614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p7: The member-declarator-list can be omitted only after a 9624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // class-specifier or an enum-specifier or in a friend declaration. 9634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // FIXME: Friend declarations. 9644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis switch (DS.getTypeSpecType()) { 965682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner case DeclSpec::TST_struct: 966682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner case DeclSpec::TST_union: 967682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner case DeclSpec::TST_class: 968682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner case DeclSpec::TST_enum: 969682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 970682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 971682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner default: 972682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Diag(DSStart, diag::err_no_declarators); 973682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 9744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 9754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 97607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 9774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::MemberContext); 9784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 9793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 9803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 9813a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 9823a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 98310bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 9843a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 9854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 9863a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 9873a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 988682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 9894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 9904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 9913a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 9927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 993d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 994d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 9953a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 9963a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 9973a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 9983a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 999682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10003a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10013a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 10023a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 10033a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 10043a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 10053a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 10063a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 10073a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 10083a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1009682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10103a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1012682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner ParseCXXInlineMethodDef(AS, DeclaratorInfo); 1013682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 10184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 10194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 10204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1021682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 102215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 102315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1024e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 10254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 10274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 10294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 10304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 10314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 10324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 10344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 10350e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 10360e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 10374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 10384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 10414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 10424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 10434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 10444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1045e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1046e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1047e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1048e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 10494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 10514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1052e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1053e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1054e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1055e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1056e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1057e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1058e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1059e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 10604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1063ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1064ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1065ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 1066ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1067ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 10684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 106907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1070682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 107107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 1072682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclPtrTy ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 1073682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclaratorInfo, 1074682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner BitfieldSize.release(), 1075e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init.release(), 1076e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted); 1077682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1078682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 10794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 108072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 108172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor DeclaratorInfo.getDeclSpec().getStorageClassSpec() 108272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1083d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 108472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 108572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 10864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 10874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 10884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 10894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 10904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 10924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 10934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 10954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 109615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 109715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1098e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 10994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1101ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1102ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1103ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 1104ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1105ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 11064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11073a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 11083a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 11094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 11124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1113c1dc653b08226c1d8e1732f9d8b03b82869900bcEli Friedman Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1114682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.size()); 1115682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 11194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 11204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 11214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 11224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1123682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 11254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 11274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 11294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 11304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 11314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1133b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 113431fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 11354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 113631fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 11374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 113849f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 113949f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 114049f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 114127b7f1028255149978356f85c4825522d234a253Chris Lattner 11424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation LBraceLoc = ConsumeBrace(); 11434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11446569d68745c8213709740337d2be52b031384f58Douglas Gregor // Determine whether this is a top-level (non-nested) class. 11456569d68745c8213709740337d2be52b031384f58Douglas Gregor bool TopLevelClass = ClassStack.empty() || 11466569d68745c8213709740337d2be52b031384f58Douglas Gregor CurScope->isInCXXInlineMethodScope(); 11474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 11493218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 11504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11516569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 11526569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, TopLevelClass); 11536569d68745c8213709740337d2be52b031384f58Douglas Gregor 1154ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1155ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1156ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor else { 1157ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1158ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1159ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 11604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 11624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 11634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 11644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 11654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 11664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 11674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 11684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 11694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 11714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 11724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 11734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 11754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 11764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::ext_extra_struct_semi); 11774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 11784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 11794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 11824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 11834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 11844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 11854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 11864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 11874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 11884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 11914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 11924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 11954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 11974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 11984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 11994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttrList = ParseAttributes(); // FIXME: where should I put them? 12004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 12024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 12034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 12054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 12064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 12074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 12084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 120972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 121072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 12116569d68745c8213709740337d2be52b031384f58Douglas Gregor if (TopLevelClass) { 12124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 121372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 121472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 12156569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 12166569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 12174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 12206569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 12218935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 12224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 122307a5b282fbe719986df9ed05543081ea0ed94aa5Argyrios Kyrtzidis Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 12244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 12257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 12277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 12287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 12297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 12307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 12317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 12327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 12337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 12347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 12357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 12367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 12377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 12387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 12397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 12407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 12417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] ctor-initializer: 12427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ':' mem-initializer-list 12437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 12447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-list: 12457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer 12467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer , mem-initializer-list 1247b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 12487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 12497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 12517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 12537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 12557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 12565ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 12575ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 12587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 12607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 12617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 12627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 12637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 12647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1265d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 12667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 12677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 12687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 12697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 12707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12717ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 1272beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad MemInitializers.data(), MemInitializers.size()); 12737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 12747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 12767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 12777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 12787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 12797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 12807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 12817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 12827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 12837ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 12847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 12857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1286b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1287bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1288bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 1289bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian ParseOptionalCXXScopeSpecifier(SS); 1290961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1291961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1292961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1293961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1294961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (TemplateId->Kind == TNK_Type_template) { 1295961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1296961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1297961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1298961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1299961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian // FIXME. May need to check for TNK_Dependent_template as well. 1300961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1301961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 13021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 13037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 1305961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian 13067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 13077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1308961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 13097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 13107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 13127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 13131ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 13147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 13177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1319a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 13207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 13217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 13227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 13237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 13277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1328961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1329961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1330a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1331beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1332beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 13337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 13340fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 13350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 13360fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 13370fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1338a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1339a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1340a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 13410fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1342a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1343a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1344a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 13450fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 13467dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1347ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1348ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1349ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1350ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 13517dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 13520fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 13530fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 13540fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 13550fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 13560fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 13570fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 13580fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 13590fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 13600fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1361a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1362a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1363a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 13647dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1365a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1366a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1367a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1368ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1369a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1370a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1371a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 13720fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1373ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 13740fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1375ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1376ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 13777dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1378ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1379ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 13800fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 13810fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 13827dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 13830fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 13840fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 13850fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1386ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 13870fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 13880fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 13896569d68745c8213709740337d2be52b031384f58Douglas Gregor 13906569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 13916569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 13926569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 13936569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool TopLevelClass) { 13946569d68745c8213709740337d2be52b031384f58Douglas Gregor assert((TopLevelClass || !ClassStack.empty()) && 13956569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 13966569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, TopLevelClass)); 13976569d68745c8213709740337d2be52b031384f58Douglas Gregor} 13986569d68745c8213709740337d2be52b031384f58Douglas Gregor 13996569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 14006569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 14016569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 14026569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 14036569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 14046569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 14056569d68745c8213709740337d2be52b031384f58Douglas Gregor} 14066569d68745c8213709740337d2be52b031384f58Douglas Gregor 14076569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 14086569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 14096569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 14106569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 14116569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 14126569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 14136569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 14146569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 14156569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 14166569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 14176569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 14186569d68745c8213709740337d2be52b031384f58Douglas Gregor 14196569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 14206569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 14216569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 14226569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 14236569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 14246569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 14256569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 14266569d68745c8213709740337d2be52b031384f58Douglas Gregor } 14276569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 14286569d68745c8213709740337d2be52b031384f58Douglas Gregor 14296569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 14306569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 14316569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 14326569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 14336569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 14346569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 14356569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 14366569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 14376569d68745c8213709740337d2be52b031384f58Douglas Gregor } 14386569d68745c8213709740337d2be52b031384f58Douglas Gregor 14396569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 14406569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 14416569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 14426569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 14436569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 14446569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 14456569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1446