ParseDeclCXX.cpp revision 3a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64c
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 141b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor#include "clang/Parse/Parser.h" 15e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor#include "clang/Basic/Diagnostic.h" 16e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor#include "clang/Parse/DeclSpec.h" 178f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner#include "clang/Parse/Scope.h" 188f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 198f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 208f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 218f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// may either be a top level namespace or a block-level namespace alias. 228f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 258f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 268f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 278f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' attributes[opt] '{' namespace-body '}' 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 338f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier attributes[opt] '{' namespace-body '}' 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' original-namespace-name '{' namespace-body '}' 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 408f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 418f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 428f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris LattnerParser::DeclTy *Parser::ParseNamespace(unsigned Context) { 4404d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 458f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 468f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 478f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 488f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 5004d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 518f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 528f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 538f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 548f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 558f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 568f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner DeclTy *AttrList = 0; 5704d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::kw___attribute)) 588f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: save these somewhere. 598f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner AttrList = ParseAttributes(); 608f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 6104d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::equal)) { 628f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: Verify no attributes were present. 638f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // FIXME: parse this. 6404d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner } else if (Tok.is(tok::l_brace)) { 652d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 668f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation LBrace = ConsumeBrace(); 672d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 682d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis // Enter a scope for the namespace. 692d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis EnterScope(Scope::DeclScope); 702d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 712d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis DeclTy *NamespcDecl = 722d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis Actions.ActOnStartNamespaceDef(CurScope, IdentLoc, Ident, LBrace); 732d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 742d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) 75bae35118fc5cea2da08567dbb9763af7f906dae2Chris Lattner ParseExternalDeclaration(); 768f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 778ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis // Leave the namespace scope. 788ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis ExitScope(); 798ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 808f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 812d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis Actions.ActOnFinishNamespaceDef(NamespcDecl, RBrace); 822d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 832d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis return NamespcDecl; 848f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 858f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } else { 868f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner unsigned D = Ident ? diag::err_expected_lbrace : 878f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner diag::err_expected_ident_lbrace; 888f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Diag(Tok.getLocation(), D); 898f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 908f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 918f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner return 0; 928f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 93c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 94c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 95c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 96c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 97c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 98c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 99c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 100c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 101c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris LattnerParser::DeclTy *Parser::ParseLinkage(unsigned Context) { 102c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner assert(Tok.is(tok::string_literal) && "Not a stringliteral!"); 103c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner llvm::SmallVector<char, 8> LangBuffer; 104c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // LangBuffer is guaranteed to be big enough. 105c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner LangBuffer.resize(Tok.getLength()); 106c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner const char *LangBufPtr = &LangBuffer[0]; 107c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner unsigned StrSize = PP.getSpelling(Tok, LangBufPtr); 108c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 109c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 110c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner DeclTy *D = 0; 111c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation LBrace, RBrace; 112c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 113c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner if (Tok.isNot(tok::l_brace)) { 114c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner D = ParseDeclaration(Context); 115c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner } else { 116c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner LBrace = ConsumeBrace(); 117c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 118c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // FIXME capture the decls. 119c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner D = ParseExternalDeclaration(); 120c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner } 121c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 122c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 123c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner } 124c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 125c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner if (!D) 126c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner return 0; 127c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 128c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner return Actions.ActOnLinkageSpec(Loc, LBrace, RBrace, LangBufPtr, StrSize, D); 129c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 130e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 131e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 132e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 133e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 134e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 135e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 136e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 137e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 138e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 139e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 140e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 141e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 142e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 143e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 144e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 145e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] nested-name-specifier 146e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 147e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 148e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 149e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 150e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key ::[opt] nested-name-specifier[opt] identifier 156e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 157e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id 158e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 160e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 162e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 163e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 164e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 165e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 166e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 167e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 168e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 169e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 170e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 171e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregorvoid Parser::ParseClassSpecifier(DeclSpec &DS) { 172e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert((Tok.is(tok::kw_class) || 173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Tok.is(tok::kw_struct) || 174e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Tok.is(tok::kw_union)) && 175e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor "Not a class specifier"); 176e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor DeclSpec::TST TagType = 177e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Tok.is(tok::kw_class) ? DeclSpec::TST_class : 178e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Tok.is(tok::kw_struct) ? DeclSpec::TST_struct : 179e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor DeclSpec::TST_union; 180e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 181e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = ConsumeToken(); 182e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 183e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AttributeList *Attr = 0; 184e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 185e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 186e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Attr = ParseAttributes(); 187e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 188e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Parse the (optional) nested-name-specifier. 189e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 190e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the (optional) class name. 191e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Alternatively, parse a simple-template-id. 192e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 193e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 194e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 195e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 196e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 197e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 198e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 199e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // There are three options here. If we have 'struct foo;', then 200e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // this is a forward declaration. If we have 'struct foo {...' or 201e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // 'struct fo :...' then this is a definition. Otherwise we have 202e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 203e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Action::TagKind TK; 204e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) 205e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor TK = Action::TK_Definition; 206e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else if (Tok.is(tok::semi)) 207e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor TK = Action::TK_Declaration; 208e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 209e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor TK = Action::TK_Reference; 210e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 211e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (!Name && TK != Action::TK_Definition) { 212e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 213e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Diag(StartLoc, diag::err_anon_type_definition, 214e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor DeclSpec::getSpecifierName(TagType)); 215e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 216e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this declarator, up until the comma or semicolon. 217e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 218e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 219e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 220e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 221e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the tag portion of this. 222e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor DeclTy *TagDecl = Actions.ActOnTag(CurScope, TagType, TK, StartLoc, Name, 223e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc, Attr); 224e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 225e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the optional base clause (C++ only). 226e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (getLang().CPlusPlus && Tok.is(tok::colon)) { 227e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ParseBaseClause(TagDecl); 228e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 229e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 230e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 231e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace)) 2324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // FIXME: Temporarily disable parsing for C++ classes until the Sema support 2334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // is in place. 2344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis //if (getLang().CPlusPlus) 2354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // ParseCXXMemberSpecification(StartLoc, TagType, TagDecl); 2364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis //else 2374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseStructUnionBody(StartLoc, TagType, TagDecl); 238e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else if (TK == Action::TK_Definition) { 239e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Complain that we have a base-specifier list but no 240e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // definition. 241e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Diag(Tok.getLocation(), diag::err_expected_lbrace); 242e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 243e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 244e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor const char *PrevSpec = 0; 245e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (DS.SetTypeSpecType(TagType, StartLoc, PrevSpec, TagDecl)) 246e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Diag(StartLoc, diag::err_invalid_decl_spec_combination, PrevSpec); 247e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 248e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 249e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 250e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 251e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 252e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 253e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 254e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 255e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 256e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregorvoid Parser::ParseBaseClause(DeclTy *ClassDecl) 257e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor{ 258e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 259e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 260e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 261e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 262e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 263e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (ParseBaseSpecifier(ClassDecl)) { 264e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 265e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 266e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, tok::l_brace); 267e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 268e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 269e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 270e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 271e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 272e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 273e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 274e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 275e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 276e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 277e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 278e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 279e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 280e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 281e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 282e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 283e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 284e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 285e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 286e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 287e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 288e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 289e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregorbool Parser::ParseBaseSpecifier(DeclTy *ClassDecl) 290e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor{ 291e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 292e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 293e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 294e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 295e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 296e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 297e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 298e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 299e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 300e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 301e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 302e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Access) 303e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 304e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 305e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 306e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 307e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 308e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 309e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 310e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 311e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Diag(VirtualLoc, diag::err_dup_virtual); 312e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 313e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 314e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 315e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 316e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 317e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Parse optional '::' and optional nested-name-specifier. 318e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 319e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the class-name. 320e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Alternatively, parse a simple-template-id. 321e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::identifier)) { 322e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Diag(Tok.getLocation(), diag::err_expected_class_name); 323e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return true; 324e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 325e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 326e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have an identifier; check whether it is actually a type. 327e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor DeclTy *BaseType = Actions.isTypeName(*Tok.getIdentifierInfo(), CurScope); 328e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (!BaseType) { 329e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Diag(Tok.getLocation(), diag::err_expected_class_name); 330e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return true; 331e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 332e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 333e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 334e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 335e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 336e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Find the complete source range for the base-specifier. 337e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceRange Range(StartLoc, BaseLoc); 338e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 339e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the identifier token (finally!). 340e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 341e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 342e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 343e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 344e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, BaseType, 345e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor BaseLoc); 346e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return false; 347e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 348e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 349e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 350e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 351e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 352e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 353e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 354e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 355e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 3561b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas GregorAccessSpecifier Parser::getAccessSpecifierIfPresent() const 357e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor{ 358e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 359e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 360e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 361e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 362e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 363e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 364e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 3654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 3664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 3674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 3684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 3694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 3704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 3714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 3724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 3734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// [C++0x] static_assert-declaration [TODO] 3744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// template-declaration [TODO] 3754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 3764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 3774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 3784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 3794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 3804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 3814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 3824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 3834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 3844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 3854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// pure-specifier: [TODO] 3864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 3874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 3884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 3894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 3904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 3914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios KyrtzidisParser::DeclTy *Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS) { 3924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 3934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 3944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 3954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclSpec DS; 3964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseDeclarationSpecifiers(DS); 3974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 3984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 3994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 4004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p7: The member-declarator-list can be omitted only after a 4014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // class-specifier or an enum-specifier or in a friend declaration. 4024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // FIXME: Friend declarations. 4034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis switch (DS.getTypeSpecType()) { 4044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis case DeclSpec::TST_struct: 4054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis case DeclSpec::TST_union: 4064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis case DeclSpec::TST_class: 4074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis case DeclSpec::TST_enum: 4084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis return Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 4094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis default: 4104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(DSStart, diag::err_no_declarators); 4114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis return 0; 4124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 4134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 4144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::MemberContext); 4164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4173a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 4183a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 4193a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 4203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 4213a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DeclaratorInfo.getIdentifier() == 0) { 4223a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 4234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 4243a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 4253a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 4264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis return 0; 4274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 4284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4293a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 4303a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 4313a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 4323a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 4333a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 4343a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 4353a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis return 0; 4363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 4373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 4383a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 4393a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 4403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 4413a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 4423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 4433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 4443a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 4453a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis return 0; 4463a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 4474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4483a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis return ParseCXXInlineMethodDef(AS, DeclaratorInfo); 4493a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 4504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 4514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 4534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 4544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 4554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclTy *LastDeclInGroup = 0; 4574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExprTy *BitfieldSize = 0; 4584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExprTy *Init = 0; 4594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 4614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 4634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 4644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 4654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 4664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 4684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 4694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExprResult Res = ParseConstantExpression(); 4704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Res.isInvalid) 4714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 4724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 4734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis BitfieldSize = Res.Val; 4744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 4754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 4774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 4784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 4794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 4804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 4814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 4834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 4844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExprResult Res = ParseInitializer(); 4854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Res.isInvalid) 4864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 4874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 4884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Init = Res.Val; 4894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 4904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 4924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 4934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.AddAttributes(ParseAttributes()); 4944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LastDeclInGroup = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 4964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo, 4974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis BitfieldSize, Init, 4984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LastDeclInGroup); 4994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 5014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 5024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 5034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 5044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 5064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 5074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 5094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 5104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis BitfieldSize = Init = 0; 5114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 5134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 5144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.AddAttributes(ParseAttributes()); 5154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5163a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 5173a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 5184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 5214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 5224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Reverse the chain list. 5234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis return Actions.FinalizeDeclaratorGroup(CurScope, LastDeclInGroup); 5244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 5274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 5284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 5294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 5304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 5314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis return 0; 5324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 5334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 5354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 5364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 5374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 5384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 5394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 5404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 5414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis unsigned TagType, DeclTy *TagDecl) { 5424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(TagType == DeclSpec::TST_struct || 5434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 5444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_class && "Invalid TagType!"); 5454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation LBraceLoc = ConsumeBrace(); 5474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (!CurScope->isCXXClassScope() && // Not about to define a nested class. 5494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurScope->isInCXXInlineMethodScope()) { 5504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We will define a local class of an inline method. 5514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Push a new LexedMethodsForTopClass for its inline methods. 5524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis PushTopClassStack(); 5534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 5564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis EnterScope(Scope::CXXClassScope|Scope::DeclScope); 5574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnStartCXXClassDef(CurScope, TagDecl, LBraceLoc); 5594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 5614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 5624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 5634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 5644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 5654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 5664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 5674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 5684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 5704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 5714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 5724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 5744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 5754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::ext_extra_struct_semi); 5764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 5774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 5784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 5814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 5824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 5834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 5844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 5854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 5864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 5874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 5904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 5914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 5944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 5964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 5974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 5984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttrList = ParseAttributes(); // FIXME: where should I put them? 5994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 6014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 6024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 6044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 6054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 6064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 6074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 6084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // FIXME: Only function bodies are parsed correctly, fix the rest. 6094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (!CurScope->getParent()->isCXXClassScope()) { 6104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 6114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are complete and we can parse the lexed inline method definitions. 6124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseLexedMethodDefs(); 6134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // For a local class of inline method, pop the LexedMethodsForTopClass that 6154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // was previously pushed. 6164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(CurScope->isInCXXInlineMethodScope() || 6184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TopClassStacks.size() == 1 && 6194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis "MethodLexers not getting popped properly!"); 6204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (CurScope->isInCXXInlineMethodScope()) 6214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis PopTopClassStack(); 6224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 6234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 6254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExitScope(); 6264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 6274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXClassDef(TagDecl, RBraceLoc); 6284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 629