ParseDeclCXX.cpp revision 374929f7e88f6c7a96382b3eb4201b721c418372
18f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===// 28f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 38f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// The LLVM Compiler Infrastructure 48f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 78f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 88f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 98f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// This file implements the C++ Declaration portions of the Parser interfaces. 118f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 128f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 138f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 140c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson#include "clang/Basic/OperatorKinds.h" 151b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor#include "clang/Parse/Parser.h" 16500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 17e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor#include "clang/Parse/DeclSpec.h" 188f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner#include "clang/Parse/Scope.h" 19bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner#include "ExtensionRAIIObject.h" 208f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 218f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 228f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// may either be a top level namespace or a block-level namespace alias. 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 258f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 268f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 278f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' attributes[opt] '{' namespace-body '}' 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 338f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier attributes[opt] '{' namespace-body '}' 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 408f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' original-namespace-name '{' namespace-body '}' 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 428f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 448f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 4597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseNamespace(unsigned Context, 4697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 4704d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 488f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 508f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 518f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 526a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 536a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5504d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 568f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 578f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 588f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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 } 681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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 } 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 765144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 785144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 795144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return DeclPtrTy(); 805144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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"); 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) 955144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseExternalDeclaration(); 961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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, 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation AliasLoc, 11297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner IdentifierInfo *Alias, 11397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd) { 114f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 1151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 119f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 1202dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 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(); 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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); 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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); 1601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy LinkageSpec 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnStartLinkageSpecification(CurScope, 162074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor /*FIXME: */SourceLocation(), 163074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor Loc, LangBufPtr, StrSize, 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Tok.is(tok::l_brace)? Tok.getLocation() 165074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 166074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 167074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 168074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseDeclarationOrFunctionDefinition(); 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnFinishLinkageSpecification(CurScope, LinkageSpec, 170074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 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. 2192dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 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 } 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 234823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 235823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 236823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 2371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 239823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (Tok.is(tok::kw___attribute)) 240823c44e6d73141f642e207980b4021ddcf09897bChris Lattner AttrList = ParseAttributes(); 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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, 262595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson SourceLocation &DeclEnd, 263595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson AccessSpecifier AS) { 2649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 2659cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 2669cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 2689cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 2699cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 2709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 2719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 2739cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 2749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2759cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 2762dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 2779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttributeList *AttrList = 0; 2799cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 2809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 2819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 2829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 2839cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 2849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::annot_template_id)) { 28673b39cf02eaa346c6d7a76c32bf13759de7516dbAnders Carlsson // C++0x N2914 [namespace.udecl]p5: 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // A using-declaration shall not name a template-id. 28873b39cf02eaa346c6d7a76c32bf13759de7516dbAnders Carlsson Diag(Tok, diag::err_using_decl_can_not_refer_to_template_spec); 2899cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 2909cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 2919cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2930c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentifierInfo *TargetName = 0; 2940c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson OverloadedOperatorKind Op = OO_None; 2950c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson SourceLocation IdentLoc; 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2970c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson if (Tok.is(tok::kw_operator)) { 2980c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc = Tok.getLocation(); 2990c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 3000c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson Op = TryParseOperatorFunctionId(); 3010c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson if (!Op) { 3020c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // If there was an invalid operator, skip to end of decl, and eat ';'. 3030c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson SkipUntil(tok::semi); 3040c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson return DeclPtrTy(); 3050c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } 3060c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } else if (Tok.is(tok::identifier)) { 3070c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // Parse identifier. 3080c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson TargetName = Tok.getIdentifierInfo(); 3090c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc = ConsumeToken(); 3100c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson } else { 3110c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson // FIXME: Use a better diagnostic here. 3129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(Tok, diag::err_expected_ident_in_using); 3130c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson 3149cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // If there was invalid identifier, skip to end of decl, and eat ';'. 3159cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 3169cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return DeclPtrTy(); 3179cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse (optional) attributes (most likely GNU strong-using extension). 3209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw___attribute)) 3219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttrList = ParseAttributes(); 3221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 3249cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 3259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 3269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor AttrList ? "attributes list" : "namespace name", tok::semi); 3279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 328595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson return Actions.ActOnUsingDeclaration(CurScope, AS, UsingLoc, SS, 3290c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson IdentLoc, TargetName, Op, 3300c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson AttrList, IsTypeName); 331f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 332f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 333511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// ParseStaticAssertDeclaration - Parse C++0x static_assert-declaratoion. 334511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 335511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert-declaration: 336511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// static_assert ( constant-expression , string-literal ) ; 337511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 33897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris LattnerParser::DeclPtrTy Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 339511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson assert(Tok.is(tok::kw_static_assert) && "Not a static_assert declaration"); 340511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 343511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 344b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 345511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 347511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 348e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 349511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertExpr(ParseConstantExpression()); 350511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 351511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 352b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 353511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 355ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 356b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 357ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 358511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 359511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 360511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 361b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 362511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 364511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson OwningExprResult AssertMessage(ParseStringLiteralExpression()); 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 366b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 367511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 36894b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 371511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after_static_assert); 372511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, move(AssertExpr), 37494b15fbc3a10cdfb1639528a8a773b66a1e7cd9eAnders Carlsson move(AssertMessage)); 375511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 376511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 3776fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 3786fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 3796fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 3806fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 3816fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 3826fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 3836fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 3846fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 3856fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 3886fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 3896fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 3906fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 3916fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3936fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3956fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 3966fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 3976fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 3986fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson Action::Unevaluated); 3996fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson OwningExprResult Result = ParseExpression(); 4006fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 4016fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 4026fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4036fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4056fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 4066fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 4076fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 4086fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 4096fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 4106fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4126fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 4136fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 4146fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 4156fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 416fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 4176fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 419fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 420fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 4216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 4226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 42342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 42442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 42542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 4267f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 42742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 42842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 42942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 43042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 4317f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 43331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 434d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian const CXXScopeSpec *SS, 435d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian bool DestrExpected) { 4367f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 4377f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 4397f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 440c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 44131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(SS); 4427f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4437f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 4447f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor TypeTy *Type = Tok.getAnnotationValue(); 4457f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 4467f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 44731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 44831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 44931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 45031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 4517f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4527f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 4537f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 4547f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 4557f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 45642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 4571ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 45831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 45942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 46042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 46142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeTy *Type = Actions.getTypeName(*Tok.getIdentifierInfo(), 46342c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor Tok.getLocation(), CurScope, SS, 46442c39f39184c5ce9d7f489e5dcb7eec770728a9aDouglas Gregor true); 46542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (!Type) { 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, DestrExpected ? diag::err_destructor_class_name 467d33c868d386ef47c2942e2dbff0d9955a8591fa9Fariborz Jahanian : diag::err_expected_class_name); 46831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 46942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 47042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 47142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 4727f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = ConsumeToken(); 47342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return Type; 47442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 47542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 476e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 477e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 478e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 479e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// cannot start a definition. 480e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 481e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 482e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 483e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 484e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 485e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 486e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 487e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 488e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 489e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 491e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 493e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 494e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 495e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 496e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 497e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 498e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 499e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 503e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 504e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 505e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 506e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 507e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 508e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 509e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 510e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 511e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 512e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 513e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 514e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 515e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 5164c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 5174c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 5184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 51906c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS) { 5204c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 5214c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 5224c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 5234c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 5244c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 5254c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 5264c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 5274c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 5284c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 529e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 530374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 531374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 532374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor Actions.CodeCompleteTag(CurScope, TagType); 533374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor ConsumeToken(); 534374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 535374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor 536e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AttributeList *Attr = 0; 537e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 538e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 539e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Attr = ParseAttributes(); 540e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 541f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 542290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman if (Tok.is(tok::kw___declspec)) 543290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman Attr = ParseMicrosoftDeclSpec(Attr); 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 545b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_pod)) { 546b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_pod as the name of a struct template, but 547b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_pod is a keyword in GCC >= 4.3. Therefore, when we see the 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_pod", make __is_pod into a normal 549b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 550b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 551b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 552b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 553b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 554b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor 555b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor if (TagType == DeclSpec::TST_struct && Tok.is(tok::kw___is_empty)) { 556b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // GNU libstdc++ 4.2 uses __is_empty as the name of a struct template, but 557b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // __is_empty is a keyword in GCC >= 4.3. Therefore, when we see the 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // token sequence "struct __is_empty", make __is_empty into a normal 559b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // identifier rather than a keyword, to allow libstdc++ 4.2 to work 560b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor // properly. 561b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.getIdentifierInfo()->setTokenID(tok::identifier); 562b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 563b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 565eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 566eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().CPlusPlus && 5682dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true)) 56939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 570eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Diag(Tok, diag::err_expected_ident); 571cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 572cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 573e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 574e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 57539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 576e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 577e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 578e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 57939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 58039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 58139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 582cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 583c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind != TNK_Type_template) { 58439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 58539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 58639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 58739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 58839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 58939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 59039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 59139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 59239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 59539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 59639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 59739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 598cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 599e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 600e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 60167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 60267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 60367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // have to be treated differently. If we have 'struct foo {...' or 60439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 'struct foo :...' then this is a definition. Otherwise we have 605e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // something like 'struct foo xyz', a reference. 6060f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall Action::TagUseKind TUK; 607e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace) || (getLang().CPlusPlus && Tok.is(tok::colon))) 6080f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Definition; 60967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall else if (Tok.is(tok::semi)) 61067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall TUK = DS.isFriendSpecified() ? Action::TUK_Friend : Action::TUK_Declaration; 611e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 6120f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK = Action::TUK_Reference; 613e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 6140f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall if (!Name && !TemplateId && TUK != Action::TUK_Definition) { 615e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // We have a declaration or reference to an anonymous class. 6161ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(StartLoc, diag::err_anon_type_definition) 6171ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << DeclSpec::getSpecifierName(TagType); 618e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 619e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this declarator, up until the comma or semicolon. 620e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 62139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 62239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (TemplateId) 62339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 624e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 625e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 626e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 627ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 628c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::DeclResult TagOrTempResult = true; // invalid 629c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Action::TypeResult TypeResult = true; // invalid 6304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6320f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall // FIXME: When TUK == TUK_Reference and we have a template-id, we need 6334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // to turn that template-id into a type. 6344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 635402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 636f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 6374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 6384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 64039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 64139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgIsType(), 64239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 6434d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 6440f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 6454d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 6464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 64845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 6504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 6524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 6564d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 6574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateId->getTemplateArgLocations(), 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 6594d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Attr); 660f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall } else if (TUK == Action::TUK_Reference || TUK == Action::TUK_Friend) { 661c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult 6626b2becfc434b0bdced8560802c4d0e03148c61b8John McCall = Actions.ActOnTemplateIdType(TemplateTy::make(TemplateId->Template), 6636b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->TemplateNameLoc, 6646b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->LAngleLoc, 6656b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateArgsPtr, 6666b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->getTemplateArgLocations(), 6676b2becfc434b0bdced8560802c4d0e03148c61b8John McCall TemplateId->RAngleLoc); 6686b2becfc434b0bdced8560802c4d0e03148c61b8John McCall 669c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnTagTemplateIdType(TypeResult, TUK, 670c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType, StartLoc); 6714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 6724d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 6734d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 6744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 6754d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 6774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 6784d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 6794d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 6804d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 6814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 6823f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 6834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 6844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 6850f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall assert(TUK == Action::TUK_Definition && "Expected a definition here"); 6864d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 6884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 6904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 6914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 6924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << CodeModificationHint::CreateInsertion(LAngleLoc, "<>"); 6934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 6954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 6964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 6974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 6994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 7024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 7034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 7044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 7054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 7064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 7074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 7080f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall = Actions.ActOnClassTemplateSpecialization(CurScope, TagType, TUK, 70939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTy::make(TemplateId->Template), 7111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 71339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 71439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgLocations(), 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 71639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Attr, 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 718cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 719cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 7204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 72139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->Destroy(); 7223f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7230f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Declaration) { 7243f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 7253f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 7263f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 7273f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 7283f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 7293f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = Actions.ActOnExplicitInstantiation(CurScope, 73145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 7343f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor NameLoc, Attr); 7353f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 7363f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 7370f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall TUK == Action::TUK_Definition) { 7383f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 7393f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 7403f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 741c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 742c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 7433f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagOrTempResult = Actions.ActOnTag(CurScope, TagType, TUK, StartLoc, SS, 7457cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor Name, NameLoc, Attr, AS, 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Action::MultiTemplateParamsArg(Actions, 7477cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 7487cdbc5832084f45721693dfb1d93284c3e08efeeDouglas Gregor TemplateParams? TemplateParams->size() : 0), 749c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned, IsDependent); 750c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 751c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 752c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 753c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (IsDependent) 754c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TypeResult = Actions.ActOnDependentTag(CurScope, TagType, TUK, 755c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall SS, Name, StartLoc, NameLoc); 7563f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 757e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 758e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the optional base clause (C++ only). 75922bd905673a73ccb9b5e45a7038ec060c9650ffeChris Lattner if (getLang().CPlusPlus && Tok.is(tok::colon)) 760212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseBaseClause(TagOrTempResult.get()); 761e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 762e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 763e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::l_brace)) 76407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 765212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 76607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 767212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 7680f434ecbead44c1f4d5f9dda088f9827fa0dc40fJohn McCall else if (TUK == Action::TUK_Definition) { 769e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // FIXME: Complain that we have a base-specifier list but no 770e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // definition. 7711ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 772e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 773e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 774c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall void *Result; 775c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 776c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall TagType = DeclSpec::TST_typename; 777c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TypeResult.get(); 778c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Owned = false; 779c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 780c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result = TagOrTempResult.get().getAs<void>(); 781c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 782ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 78366e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 78466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 786fec54013fcd0eb72642741584ca04c1bc292bef8John McCall const char *PrevSpec = 0; 787fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 788c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 789fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (DS.SetTypeSpecType(TagType, StartLoc, PrevSpec, DiagID, 790c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall Result, Owned)) 791fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 792e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 793e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 795e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 796e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 797e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 798e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 799e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 800e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 801b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseBaseClause(DeclPtrTy ClassDecl) { 802e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 803e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 804e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 805f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 806f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor llvm::SmallVector<BaseTy *, 8> BaseInfo; 807f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 808e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 809e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 810f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 8115ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 812e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 813e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 814f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 815f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 816f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 8175ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 818e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 819e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 820e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 821e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 822e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 824e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 825e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 826e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 827f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 828f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 829beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 830e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 831e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 832e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 833e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 834e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 835e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 836e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 837e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 838e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 839e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 840e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 842e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 843b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::BaseResult Parser::ParseBaseSpecifier(DeclPtrTy ClassDecl) { 844e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 845e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 846e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 847e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 848e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 849e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 850e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 851e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 852e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 853e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 854e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Access) 856e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 858e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 859e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 860e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 861e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 862e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 863e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 8641ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 86531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor << CodeModificationHint::CreateRemoval(SourceRange(VirtualLoc)); 866e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 867e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 868e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 869e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 870e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 871eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 872eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 8732dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, true); 874e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 875e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 876e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 87742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 87842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 8797f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 88031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, &SS); 88131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 88242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 8857f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 887e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 888e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 889a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 89031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor BaseType.get(), BaseLoc); 891e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 892e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 893e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 894e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 895e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 896e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 897e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 898e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 899e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 9001eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 901e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 902e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 903e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 904e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 905e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 906e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 907e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 9084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 909d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 910d33133cdc1af466f9c276249b2621be03867888bEli Friedman DeclPtrTy ThisDecl) { 911d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 912d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 913d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 915d33133cdc1af466f9c276249b2621be03867888bEli Friedman = DeclaratorInfo.getTypeObject(0).Fun; 916d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 917d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 918d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 919d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 920d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 921d33133cdc1af466f9c276249b2621be03867888bEli Friedman getCurrentClass().MethodDecls.push_back( 922d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration(ThisDecl)); 923d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod = &getCurrentClass().MethodDecls.back(); 924d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor LateMethod->TemplateScope = CurScope->isTemplateParamScope(); 925d33133cdc1af466f9c276249b2621be03867888bEli Friedman 926d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 927d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 928d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 929d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 930d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 931d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param)); 932d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 933d33133cdc1af466f9c276249b2621be03867888bEli Friedman 934d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 935d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 936d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 937d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 938d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 939d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 940d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 941d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 942d33133cdc1af466f9c276249b2621be03867888bEli Friedman 9434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 9444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 9464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 9474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 9484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 9494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 950511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 9515aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 952bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 9534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 9554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 9564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 9574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 9594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator pure-specifier[opt] 9604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 9614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 9624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 963e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 9644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 9654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 9664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 9674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 9684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 96937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 97037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor const ParsedTemplateInfo &TemplateInfo) { 971511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 972682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_static_assert)) { 97337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 97497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 97597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 976682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 977682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 979682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 98137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 98297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 9844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 985682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 986682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 9875aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 988bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 989bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 990bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 991bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 992bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 99337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor return ParseCXXClassMemberDeclaration(AS, TemplateInfo); 994bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 9959cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 9969cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 99737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for template aliases 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9999cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 10009cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 10019cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 10029cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 10039cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 10049cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 10059cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 10069cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else { 10079cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 10089cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Otherwise, it must be using-declaration. 1009595adc1795cc2c079ef5876100e01acd10a0504aAnders Carlsson ParseUsingDeclaration(Declarator::MemberContext, UsingLoc, DeclEnd, AS); 10109cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 10119cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 10129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 10139cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 10144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation DSStart = Tok.getLocation(); 10154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 10164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 10174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclSpec DS; 101837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 10194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1020dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Action::MultiTemplateParamsArg TemplateParams(Actions, 1021dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1022dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1023dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 10244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 10254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 102667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 10274111181534e8257f592b6b7db57694af7cd04b06Anders Carlsson if (DS.isFriendSpecified()) { 1028dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall Actions.ActOnFriendTypeDecl(CurScope, DS, move(TemplateParams)); 10294111181534e8257f592b6b7db57694af7cd04b06Anders Carlsson } else 1030682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Actions.ParsedFreeStandingDeclSpec(CurScope, DS); 103167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 103267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 10334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 103407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 10354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::MemberContext); 10364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 10383a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 10393a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 10403a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 104110bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 10423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 10434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 10443a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 10453a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1046682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10493a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 10507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::l_brace) 1051d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl || (DeclaratorInfo.isFunctionDeclarator() && 1052d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl (Tok.is(tok::colon) || Tok.is(tok::kw_try)))) { 10533a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 10543a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 10553a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 10563a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1057682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10583a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10593a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 10603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 10613a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 10623a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 10633a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 10643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 10653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 10663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 1067682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10683a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 107037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo); 1071682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 10723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 10734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 10764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 10774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 10784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1079682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclPtrTy, 8> DeclsInGroup; 108015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult BitfieldSize(Actions); 108115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Init(Actions); 1082e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl bool Deleted = false; 10834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 10854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 10874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 10884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator constant-initializer[opt] 10894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 10904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 10914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 10924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 10930e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 10940e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 10954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 10964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 10971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // pure-specifier: 10994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '= 0' 11004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 11014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // constant-initializer: 11024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // '=' constant-expression 1103e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // 1104e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // defaulted/deleted function-definition: 1105e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'default' [TODO] 1106e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl // '=' 'delete' 11074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::equal)) { 11094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1110e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { 1111e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl ConsumeToken(); 1112e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = true; 1113e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } else { 1114e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Init = ParseInitializer(); 1115e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl if (Init.isInvalid()) 1116e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl SkipUntil(tok::comma, true, true); 1117e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl } 11184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1121ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1122ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1123ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 1124ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1125ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 11264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 112707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1128682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 112907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 113067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 113167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclPtrTy ThisDecl; 113267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1133bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 1134bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall ThisDecl = Actions.ActOnFriendFunctionDecl(CurScope, DeclaratorInfo, 1135bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1136bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 113737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 113867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall ThisDecl = Actions.ActOnCXXMemberDeclarator(CurScope, AS, 113967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 114037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 114167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 114267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Init.release(), 114367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall Deleted); 114437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1145682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1146682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 11474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 114872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 115072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1151d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 115272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 115372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 11544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 11554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 11564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 11574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 11604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 11634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 116415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 116515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 1166e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl Deleted = false; 11671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 1169ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Tok.is(tok::kw___attribute)) { 1170ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 1171ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *AttrList = ParseAttributes(&Loc); 1172ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.AddAttributes(AttrList, Loc); 1173ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 11744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 11763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 11774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 11804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1181c1dc653b08226c1d8e1732f9d8b03b82869900bcEli Friedman Actions.FinalizeDeclaratorGroup(CurScope, DS, DeclsInGroup.data(), 1182682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.size()); 1183682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 11854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::err_expected_semi_decl_list); 11874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Skip to end of block or statement 11884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::r_brace, true, true); 11894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) 11904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1191682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 11924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 11934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 11954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 11964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 11974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 11984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 11994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 12004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 1201b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner unsigned TagType, DeclPtrTy TagDecl) { 120231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 12034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 120431fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 12054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 120649f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, 120749f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 120849f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing struct/union/class body"); 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation LBraceLoc = ConsumeBrace(); 12114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12126569d68745c8213709740337d2be52b031384f58Douglas Gregor // Determine whether this is a top-level (non-nested) class. 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool TopLevelClass = ClassStack.empty() || 12146569d68745c8213709740337d2be52b031384f58Douglas Gregor CurScope->isInCXXInlineMethodScope(); 12154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 12173218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 12184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12196569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 12206569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, TopLevelClass); 12216569d68745c8213709740337d2be52b031384f58Douglas Gregor 1222ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 1223ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor Actions.ActOnTagStartDefinition(CurScope, TagDecl); 1224ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor else { 1225ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor SkipUntil(tok::r_brace, false, false); 1226ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor return; 1227ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor } 12284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 12304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 12314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 12324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 12334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 12344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 12354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 12364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 12374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // While we still have something to read, read the member-declarations. 12394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 12404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Each iteration of this loop reads one member-declaration. 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Check for extraneous top-level semicolon. 12434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 12444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Diag(Tok, diag::ext_extra_struct_semi); 12454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 12474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier AS = getAccessSpecifierIfPresent(); 12504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (AS != AS_none) { 12514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Current token is a C++ access specifier. 12524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS; 12534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 12544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ExpectAndConsume(tok::colon, diag::err_expected_colon); 12554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis continue; 12564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 125837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Make sure we don't have a template here. 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse all the comma separated declarators. 12614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ParseCXXClassMemberDeclaration(CurAS); 12624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttributeList *AttrList = 0; 12674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 12684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::kw___attribute)) 12694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AttrList = ParseAttributes(); // FIXME: where should I put them? 12704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis Actions.ActOnFinishCXXMemberSpecification(CurScope, RecordLoc, TagDecl, 12724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis LBraceLoc, RBraceLoc); 12734cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.2p2: Within the class member-specification, the class is regarded as 12754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // complete within function bodies, default arguments, 12764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // exception-specifications, and constructor ctor-initializers (including 12774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // such things in nested classes). 12784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 127972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // FIXME: Only function bodies and constructor ctor-initializers are 128072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // parsed correctly, fix the rest. 12816569d68745c8213709740337d2be52b031384f58Douglas Gregor if (TopLevelClass) { 12824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 128372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 128472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // declarations and the lexed inline method definitions. 12856569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 12866569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 12874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 12884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 12894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 12906569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 12918935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 12924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 129307a5b282fbe719986df9ed05543081ea0ed94aa5Argyrios Kyrtzidis Actions.ActOnTagFinishDefinition(CurScope, TagDecl, RBraceLoc); 12944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 12957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 12967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 12977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 12987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 12997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 13007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 13027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 13037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 13047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 13057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 13067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 13077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 13087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 13097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 13107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 13137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// mem-initializer , mem-initializer-list 1317b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseConstructorInitializer(DeclPtrTy ConstructorDecl) { 13187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 13197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor llvm::SmallVector<MemInitTy*, 4> MemInitializers; 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 13257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 13265ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (!MemInit.isInvalid()) 13275ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor MemInitializers.push_back(MemInit.get()); 13287ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13297ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 13307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 13317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 13327ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 13337ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else { 13347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 1335d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 13367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 13377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 13387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 13407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 1342beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad MemInitializers.data(), MemInitializers.size()); 13437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 13447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 13467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 13477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 13487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 13497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 13507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 13517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 13537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 13547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 13557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 1356b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::MemInitResult Parser::ParseMemInitializer(DeclPtrTy ConstructorDecl) { 1357bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 1358bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 13592dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/0, false); 1360961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TypeTy *TemplateTypeTy = 0; 1361961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 1362961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateIdAnnotation *TemplateId 1363961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1364961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (TemplateId->Kind == TNK_Type_template) { 1365961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian AnnotateTemplateIdTokenAsType(&SS); 1366961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 1367961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy = Tok.getAnnotationValue(); 1368961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1369961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian // FIXME. May need to check for TNK_Dependent_template as well. 1370961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 1371961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 13721ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 13737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 13777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 1378961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 13797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 13807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 13827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::l_paren)) { 13831ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen); 13847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 13877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the optional expression-list. 1389a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ArgExprs(Actions); 13907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor CommaLocsTy CommaLocs; 13917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 13927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::r_paren); 13937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 13947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 13957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 13967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 13977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1398961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian return Actions.ActOnMemInitializer(ConstructorDecl, CurScope, SS, II, 1399961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian TemplateTypeTy, IdLoc, 1400a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl LParenLoc, ArgExprs.take(), 1401beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ArgExprs.size(), CommaLocs.data(), 1402beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad RParenLoc); 14037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 14040fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 14050fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// ParseExceptionSpecification - Parse a C++ exception-specification 14060fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// (C++ [except.spec]). 14070fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 1408a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 1409a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 1410a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 1412a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 1413a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id 1414a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list ',' type-id 14150fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 14167dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redlbool Parser::ParseExceptionSpecification(SourceLocation &EndLoc, 1417ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> 1418ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Exceptions, 1419ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> 1420ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl &Ranges, 14217dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec) { 14220fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14240fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation ThrowLoc = ConsumeToken(); 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14260fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 14270fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return Diag(Tok, diag::err_expected_lparen_after) << "throw"; 14280fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 14290fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 14300fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1431a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 1432a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 1433a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 14347dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl hasAnyExceptionSpec = true; 1435a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 1436a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 1437a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 1438ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1439a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor return false; 1440a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 1441a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 14420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 1443ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 14440fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 1445ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 1446ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 14477dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 1448ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 1449ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 14500fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 14510fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 14527dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 14530fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 14540fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 14550fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 1456ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl EndLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 14570fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor return false; 14580fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 14596569d68745c8213709740337d2be52b031384f58Douglas Gregor 14606569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 14616569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 14626569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 14636569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PushParsingClass(DeclPtrTy ClassDecl, bool TopLevelClass) { 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((TopLevelClass || !ClassStack.empty()) && 14656569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 14666569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, TopLevelClass)); 14676569d68745c8213709740337d2be52b031384f58Douglas Gregor} 14686569d68745c8213709740337d2be52b031384f58Douglas Gregor 14696569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 14706569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 14716569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 14726569d68745c8213709740337d2be52b031384f58Douglas Gregor for (unsigned I = 0, N = Class->NestedClasses.size(); I != N; ++I) 14736569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Class->NestedClasses[I]); 14746569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 14756569d68745c8213709740337d2be52b031384f58Douglas Gregor} 14766569d68745c8213709740337d2be52b031384f58Douglas Gregor 14776569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 14786569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 14796569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 14806569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 14816569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 14826569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 14836569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 14846569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 14856569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 14866569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::PopParsingClass() { 14876569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14896569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 14906569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 14916569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 14926569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 14936569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 14946569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 14956569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 14961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 14976569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 14986569d68745c8213709740337d2be52b031384f58Douglas Gregor 14996569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->MethodDecls.empty() && Victim->MethodDefs.empty() && 15006569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->NestedClasses.empty()) { 15016569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 15026569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 15036569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 15046569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 15056569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Victim; 15066569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 15076569d68745c8213709740337d2be52b031384f58Douglas Gregor } 15086569d68745c8213709740337d2be52b031384f58Douglas Gregor 15096569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 15106569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 15116569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 15126569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(CurScope->isClassScope() && "Nested class outside of class scope?"); 15136569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.top()->NestedClasses.push_back(Victim); 15146569d68745c8213709740337d2be52b031384f58Douglas Gregor Victim->TemplateScope = CurScope->getParent()->isTemplateParamScope(); 15156569d68745c8213709740337d2be52b031384f58Douglas Gregor} 1516