ParseDeclCXX.cpp revision 76f3f69db1416425070177243e9f390122c553e0
18f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===// 28f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 38f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// The LLVM Compiler Infrastructure 48f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 78f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 88f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 98f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// This file implements the C++ Declaration portions of the Parser interfaces. 118f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 128f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 138f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 140c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson#include "clang/Basic/OperatorKinds.h" 151b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor#include "clang/Parse/Parser.h" 16500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 20f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 218fe83e1df954d72c0f4ffc15d20a5222ec151c21Benjamin Kramer#include "llvm/ADT/SmallString.h" 22d167ca0d26e43292b8b9e8d5300d92784ae0e27dChris Lattner#include "RAIIObjectsForParser.h" 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 258f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 26d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// may either be a top level namespace or a block-level namespace alias. If 27d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// there was an inline keyword, it has already been parsed. 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 338f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 34d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' attributes[opt] '{' namespace-body '}' 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 408f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 41d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' identifier attributes[opt] 42d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 448f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 45d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' original-namespace-name 46d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 488f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 508f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 51d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespace(unsigned Context, 52d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd, 53d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation InlineLoc) { 5404d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 558f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 569735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 57a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 5849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 5923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceDecl(getCurScope()); 607d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 617d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 6249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 63193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 648f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 658f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 66f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation> ExtraIdentLoc; 67f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<IdentifierInfo*> ExtraIdent; 68f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation> ExtraNamespaceLoc; 696a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 706a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7204d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 738f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 748f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 75f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu while (Tok.is(tok::coloncolon) && NextToken().is(tok::identifier)) { 76f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraNamespaceLoc.push_back(ConsumeToken()); 77f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdent.push_back(Tok.getIdentifierInfo()); 78f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.push_back(ConsumeToken()); 79f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 808f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 828f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 830b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 846a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 856a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 867f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 876a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 896a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 907f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.empty()) 916a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 92d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl if (InlineLoc.isValid()) 93d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Diag(InlineLoc, diag::err_inline_namespace_alias) 94d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl << FixItHint::CreateRemoval(InlineLoc); 959735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 966a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 994a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 1004a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 101f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 102f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 103f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 104f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 1065144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 107d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1085144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 11123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 11223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 113f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 114f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 115f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 116f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1174a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Diag(T.getOpenLocation(), diag::err_namespace_nonnamespace_scope); 11895f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 119d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12095f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 12195f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 122f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 123f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TentativeParsingAction TPA(*this); 124f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu SkipUntil(tok::r_brace, /*StopAtSemi*/false, /*DontConsume*/true); 125f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Token rBraceToken = Tok; 126f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TPA.Revert(); 127f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 128f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!rBraceToken.is(tok::r_brace)) { 129f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 130f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 131f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } else { 1329910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer std::string NamespaceFix; 133f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu for (std::vector<IdentifierInfo*>::iterator I = ExtraIdent.begin(), 134f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu E = ExtraIdent.end(); I != E; ++I) { 135f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += " { namespace "; 136f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += (*I)->getName(); 137f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1389910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 139f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::string RBraces; 1409910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer for (unsigned i = 0, e = ExtraIdent.size(); i != e; ++i) 141f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu RBraces += "} "; 1429910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 143f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 144f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateReplacement(SourceRange(ExtraNamespaceLoc.front(), 145f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.back()), 146f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix) 147f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateInsertion(rBraceToken.getLocation(), RBraces); 148f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 149f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 150f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 15188e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 1527fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith if (InlineLoc.isValid()) 1537fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(InlineLoc, getLang().CPlusPlus0x ? 1547fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_inline_namespace : diag::ext_inline_namespace); 15588e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1565144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1575144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1582d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 159d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 160acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, NamespaceLoc, 1614a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor IdentLoc, Ident, T.getOpenLocation(), 1624a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs.getList()); 1632d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 164f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, NamespcDecl, NamespaceLoc, 165f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing namespace"); 1661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 167f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse the contents of the namespace. This includes parsing recovery on 168f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // any improperly nested namespaces. 169f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(ExtraIdentLoc, ExtraIdent, ExtraNamespaceLoc, 0, 1704a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor InlineLoc, attrs, T); 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1725144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1735144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1748ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 1754a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor DeclEnd = T.getCloseLocation(); 1764a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnFinishNamespaceDef(NamespcDecl, DeclEnd); 1772d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 1785144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1798f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 180c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 181f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu/// ParseInnerNamespace - Parse the contents of a namespace. 182f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieuvoid Parser::ParseInnerNamespace(std::vector<SourceLocation>& IdentLoc, 183f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<IdentifierInfo*>& Ident, 184f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation>& NamespaceLoc, 185f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu unsigned int index, SourceLocation& InlineLoc, 186f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributes& attrs, 1874a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker &Tracker) { 188f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (index == Ident.size()) { 189f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 190f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributesWithRange attrs(AttrFactory); 191f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseCXX0XAttributes(attrs); 192f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseMicrosoftAttributes(attrs); 193f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseExternalDeclaration(attrs); 194f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1954a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1964a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // The caller is what called check -- we are simply calling 1974a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // the close for it. 1984a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Tracker.consumeClose(); 199f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 200f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu return; 201f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 202f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 203f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse improperly nested namespaces. 204f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseScope NamespaceScope(this, Scope::DeclScope); 205f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Decl *NamespcDecl = 206f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Actions.ActOnStartNamespaceDef(getCurScope(), SourceLocation(), 207f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceLoc[index], IdentLoc[index], 2084a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Ident[index], Tracker.getOpenLocation(), 2094a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs.getList()); 210f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 211f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(IdentLoc, Ident, NamespaceLoc, ++index, InlineLoc, 2124a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs, Tracker); 213f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 214f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceScope.Exit(); 215f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 2164a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnFinishNamespaceDef(NamespcDecl, Tracker.getCloseLocation()); 217f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu} 218f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 219f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 220f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 221f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 222d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 2230b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation AliasLoc, 2240b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall IdentifierInfo *Alias, 2250b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation &DeclEnd) { 226f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 228f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 2291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 23123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 2327d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2337d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 23449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 235193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 236f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 237f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 238efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 239f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 240f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 241f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 242f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 243f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 244d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 245f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 246f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 247f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 24803bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 24903bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 2501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 251f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 25297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2536869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 2546869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 25703bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 258f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 259f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 260c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 261c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 262c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 263c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 264c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 265c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 266c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 2677d64271b162eaf5cae264ff64465b28af623dc17Chris LattnerDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, unsigned Context) { 268c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 269f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<8> LangBuffer; 270453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 2715f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 272453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 273d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 274c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 275c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 276c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 277074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 278d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *LinkageSpec 27923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 280a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara DS.getSourceRange().getBegin(), 281d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 282a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara Tok.is(tok::l_brace) ? Tok.getLocation() 283074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 284074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 2850b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 2867f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 288193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 289074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 290f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // Reset the source range in DS, as the leading "extern" 291f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // does not really belong to the inner declaration ... 292f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeStart(SourceLocation()); 293f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeEnd(SourceLocation()); 294f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // ... but anyway remember that such an "extern" was seen. 29535f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2967f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 29723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 298074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 300f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 30163a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 30263a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 3037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 304bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3054a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 3064a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 307f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 3080b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 3097f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 3107f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 3117f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 312f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 313c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 3144a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 3157d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 3164a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 317c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 318e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 319f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 320f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 321d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 32278b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 32378b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 324c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith ParsedAttributesWithRange &attrs, 325c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 326f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 3279735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 3289735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 330f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 331f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 33249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 33323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 3347d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3357d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 33649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 337193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 33878b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 33978b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 34078b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 34178b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 34278b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 34378b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 34478b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 34578b810559d89e996e00684335407443936ce34a1John McCall } 34678b810559d89e996e00684335407443936ce34a1John McCall 3479735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 34878b810559d89e996e00684335407443936ce34a1John McCall } 349bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 350162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 35178b810559d89e996e00684335407443936ce34a1John McCall 35278b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 3537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 3542f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 3559735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd, 356a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian AS_none, OwnedType); 357f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 358f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 359f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 360f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 361f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 362f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 363f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 364f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 365f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 366f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 367f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 368f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 369d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 37078b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 37178b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 3727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 373f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 374f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 375f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 376f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 377f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 37849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 37923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 3807d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3817d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 38249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 383193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 384f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 385f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 386efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 387f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 388f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 389f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 390f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 391f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 392823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 393f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 394f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 395f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 396f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 397d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 398f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 400823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 401823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 402823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 404823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 405bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 406bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 407bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 4087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 409bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 411823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 41297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 4136869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 4149ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 4159ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 4169ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 417f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 41823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 4197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 420f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 421f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 422162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// ParseUsingDeclaration - Parse C++ using-declaration or alias-declaration. 423162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// Assumes that 'using' was already seen. 424f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 425f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 426f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 4279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 4289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 429f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 430162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// alias-declaration: C++0x [decl.typedef]p2 431162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 'using' identifier = type-id ; 432162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 433d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 43478b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 43578b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 43678b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 437c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith AccessSpecifier AS, 438c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 4399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 4407ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 4419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 4429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 44412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 4459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 4467ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 4479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 4489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 4499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 4509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 4519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 4529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 454efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 4559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 4579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 4589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 459d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 4609cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 462193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 46312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 46412c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 465e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc; 46612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 467193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 46812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 46912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 470193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 471b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 472e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateKWLoc, 47312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 4749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 475d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 4769cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 477193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 4780b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 479162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 480162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Maybe this is an alias-declaration. 481162e1c1b487352434552147967c3dd296ebee2f7Richard Smith bool IsAliasDecl = Tok.is(tok::equal); 482162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeResult TypeAlias; 483162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (IsAliasDecl) { 4843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // TODO: Attribute support. C++0x attributes may appear before the equals. 4853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Where can GNU attributes appear? 486162e1c1b487352434552147967c3dd296ebee2f7Richard Smith ConsumeToken(); 487162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 4887fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(Tok.getLocation(), getLang().CPlusPlus0x ? 4897fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_alias_declaration : 4907fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::ext_alias_declaration); 491162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 4923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Type alias templates cannot be specialized. 4933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith int SpecKind = -1; 494536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::Template && 495536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith Name.getKind() == UnqualifiedId::IK_TemplateId) 4963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 0; 4973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) 4983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 1; 4993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 5003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 2; 5013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind != -1) { 5023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SourceRange Range; 5033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind == 0) 5043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = SourceRange(Name.TemplateId->LAngleLoc, 5053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Name.TemplateId->RAngleLoc); 5063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 5073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = TemplateInfo.getSourceRange(); 5083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(Range.getBegin(), diag::err_alias_declaration_specialization) 5093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << SpecKind << Range; 5103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SkipUntil(tok::semi); 5113e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return 0; 5123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 5133e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 514162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Name must be an identifier. 515162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (Name.getKind() != UnqualifiedId::IK_Identifier) { 516162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Name.StartLocation, diag::err_alias_declaration_not_identifier); 517162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // No removal fixit: can't recover from this. 518162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SkipUntil(tok::semi); 519162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return 0; 520162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else if (IsTypeName) 521162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(TypenameLoc, diag::err_alias_declaration_not_identifier) 522162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SourceRange(TypenameLoc, 523162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SS.isNotEmpty() ? SS.getEndLoc() : TypenameLoc)); 524162e1c1b487352434552147967c3dd296ebee2f7Richard Smith else if (SS.isNotEmpty()) 525162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(SS.getBeginLoc(), diag::err_alias_declaration_not_identifier) 526162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SS.getRange()); 527162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5283e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TypeAlias = ParseTypeName(0, TemplateInfo.Kind ? 5293e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Declarator::AliasTemplateContext : 530cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::AliasDeclContext, AS, OwnedType); 531162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else 532162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Parse (optional) attributes (most likely GNU strong-using extension). 533162e1c1b487352434552147967c3dd296ebee2f7Richard Smith MaybeParseGNUAttributes(attrs); 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 5369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 5379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 538162e1c1b487352434552147967c3dd296ebee2f7Richard Smith !attrs.empty() ? "attributes list" : 539162e1c1b487352434552147967c3dd296ebee2f7Richard Smith IsAliasDecl ? "alias declaration" : "using declaration", 54012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 5419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 54278b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 5433e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // In C++0x, alias-declarations can be templates: 544162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // template <...> using id = type; 5453e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind && !IsAliasDecl) { 54678b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 54778b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 54878b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 54978b810559d89e996e00684335407443936ce34a1John McCall 55078b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 55178b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 55278b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 55378b810559d89e996e00684335407443936ce34a1John McCall return 0; 55478b810559d89e996e00684335407443936ce34a1John McCall } 55578b810559d89e996e00684335407443936ce34a1John McCall 556480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // "typename" keyword is allowed for identifiers only, 557480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // because it may be a type definition. 558480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor if (IsTypeName && Name.getKind() != UnqualifiedId::IK_Identifier) { 559480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor Diag(Name.getSourceRange().getBegin(), diag::err_typename_identifiers_only) 560480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor << FixItHint::CreateRemoval(SourceRange(TypenameLoc)); 561480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // Proceed parsing, but reset the IsTypeName flag. 562480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor IsTypeName = false; 563480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor } 564480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor 5653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (IsAliasDecl) { 5663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 5673e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith MultiTemplateParamsArg TemplateParamsArg(Actions, 5683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->data() : 0, 5693e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->size() : 0); 5703e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return Actions.ActOnAliasDeclaration(getCurScope(), AS, TemplateParamsArg, 5713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith UsingLoc, Name, TypeAlias); 5723e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 573162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5748113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, 5757f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, attrs.getList(), 5767f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IsTypeName, TypenameLoc); 577f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 578f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 579ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer/// ParseStaticAssertDeclaration - Parse C++0x or C11 static_assert-declaration. 580511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 581c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C++0x] static_assert-declaration: 582c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// static_assert ( constant-expression , string-literal ) ; 583c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// 584ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer/// [C11] static_assert-declaration: 585c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// _Static_assert ( constant-expression , string-literal ) ; 586511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 587d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 588c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne assert((Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) && 589c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne "Not a static_assert declaration"); 590c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 591ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer if (Tok.is(tok::kw__Static_assert) && !getLang().C11) 592ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer Diag(Tok, diag::ext_c11_static_assert); 593841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith if (Tok.is(tok::kw_static_assert)) 594841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith Diag(Tok, diag::warn_cxx98_compat_static_assert); 595c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 596511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5984a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 5994a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 600511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 601d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 602511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 605511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 606511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 607d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 608511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 610ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 611d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 612ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 613511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 614511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 615511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 616d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 617511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 621d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 622511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6234a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 62597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 6269ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 627511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6289ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 6299ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 630a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara AssertMessage.take(), 6314a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 632511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 633511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 6356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 6366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 6376fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 63842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid BlaikieSourceLocation Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 63942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie assert((Tok.is(tok::kw_decltype) || Tok.is(tok::annot_decltype)) 64042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie && "Not a decltype specifier"); 64142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 6426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 64342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie ExprResult Result; 64442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation StartLoc = Tok.getLocation(); 64542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation EndLoc; 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Tok.is(tok::annot_decltype)) { 64842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Result = getExprAnnotation(Tok); 64942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie EndLoc = Tok.getAnnotationEndLoc(); 65042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie ConsumeToken(); 65142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Result.isInvalid()) { 65242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 65342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return EndLoc; 65442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 65542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } else { 65642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie ConsumeToken(); 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie BalancedDelimiterTracker T(*this, tok::l_paren); 65942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (T.expectAndConsume(diag::err_expected_lparen_after, 66042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie "decltype", tok::r_paren)) { 66142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 66242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return T.getOpenLocation() == Tok.getLocation() ? 66342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie StartLoc : T.getOpenLocation(); 66442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 6651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 66642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // Parse the expression 66742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 66842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // C++0x [dcl.type.simple]p4: 66942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // The operand of the decltype specifier is an unevaluated operand. 67076f3f69db1416425070177243e9f390122c553e0Richard Smith EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated, 67176f3f69db1416425070177243e9f390122c553e0Richard Smith 0, /*IsDecltype=*/true); 67242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Result = ParseExpression(); 67342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Result.isInvalid()) { 67442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SkipUntil(tok::r_paren, true, true); 67542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 67642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return Tok.is(tok::eof) ? Tok.getLocation() : ConsumeParen(); 67742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 67842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 67942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // Match the ')' 68042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie T.consumeClose(); 68142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (T.getCloseLocation().isInvalid()) { 68242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 68342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // FIXME: this should return the location of the last token 68442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // that was consumed (by "consumeClose()") 68542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return T.getCloseLocation(); 68642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 68742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 68876f3f69db1416425070177243e9f390122c553e0Richard Smith Result = Actions.ActOnDecltypeExpression(Result.take()); 68976f3f69db1416425070177243e9f390122c553e0Richard Smith if (Result.isInvalid()) { 69076f3f69db1416425070177243e9f390122c553e0Richard Smith DS.SetTypeSpecError(); 69176f3f69db1416425070177243e9f390122c553e0Richard Smith return T.getCloseLocation(); 69276f3f69db1416425070177243e9f390122c553e0Richard Smith } 69376f3f69db1416425070177243e9f390122c553e0Richard Smith 69442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie EndLoc = T.getCloseLocation(); 69542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 6966fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 6976fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 698fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 6996fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 70142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DiagID, Result.release())) { 702fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 70342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 70442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 70542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return EndLoc; 70642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie} 70742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 70842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikievoid Parser::AnnotateExistingDecltypeSpecifier(const DeclSpec& DS, 70942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation StartLoc, 71042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation EndLoc) { 71142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // make sure we have a token we can turn into an annotation token 71242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (PP.isBacktrackEnabled()) 71342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie PP.RevertCachedTokens(1); 71442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie else 71542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie PP.EnterToken(Tok); 71642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 71742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.setKind(tok::annot_decltype); 71842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie setExprAnnotation(Tok, DS.getTypeSpecType() == TST_decltype ? 71942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.getRepAsExpr() : ExprResult()); 72042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.setAnnotationEndLoc(EndLoc); 72142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.setLocation(StartLoc); 72242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie PP.AnnotateCachedTokens(Tok); 7236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 7246fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 725db5d44b775c60166074acd184ca9f1981c10c2a7Sean Huntvoid Parser::ParseUnderlyingTypeSpecifier(DeclSpec &DS) { 726db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt assert(Tok.is(tok::kw___underlying_type) && 727db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "Not an underlying type specifier"); 728db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 729db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation StartLoc = ConsumeToken(); 7304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 7314a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.expectAndConsume(diag::err_expected_lparen_after, 7324a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor "__underlying_type", tok::r_paren)) { 733db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 734db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 735db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 736db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt TypeResult Result = ParseTypeName(); 737db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Result.isInvalid()) { 738db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SkipUntil(tok::r_paren); 739db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 740db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 741db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 742db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt // Match the ')' 7434a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 7444a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 745db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 746db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 747db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt const char *PrevSpec = 0; 748db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt unsigned DiagID; 749ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (DS.SetTypeSpecType(DeclSpec::TST_underlyingType, StartLoc, PrevSpec, 750db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt DiagID, Result.release())) 751db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt Diag(StartLoc, DiagID) << PrevSpec; 752db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt} 753db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 75409048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// ParseBaseTypeSpecifier - Parse a C++ base-type-specifier which is either a 75509048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class name or decltype-specifier. Note that we only check that the result 75609048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// names a type; semantic analysis will need to verify that the type names a 75709048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class. The result is either a type or null, depending on whether a type 75809048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// name was found. 75942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 76009048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// base-type-specifier: [C++ 10.1] 76109048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class-or-decltype 76209048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class-or-decltype: [C++ 10.1] 76309048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// nested-name-specifier[opt] class-name 76409048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// decltype-specifier 76542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 76642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 7677f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 76922216eb4fb0936d2488fc03abd285d135c36ff01David BlaikieParser::TypeResult Parser::ParseBaseTypeSpecifier(SourceLocation &BaseLoc, 77022216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie SourceLocation &EndLocation) { 7717fe3878a36750515fb9772414ecb2489cf149d19David Blaikie // Ignore attempts to use typename 7727fe3878a36750515fb9772414ecb2489cf149d19David Blaikie if (Tok.is(tok::kw_typename)) { 7737fe3878a36750515fb9772414ecb2489cf149d19David Blaikie Diag(Tok, diag::err_expected_class_name_not_template) 7747fe3878a36750515fb9772414ecb2489cf149d19David Blaikie << FixItHint::CreateRemoval(Tok.getLocation()); 7757fe3878a36750515fb9772414ecb2489cf149d19David Blaikie ConsumeToken(); 7767fe3878a36750515fb9772414ecb2489cf149d19David Blaikie } 7777fe3878a36750515fb9772414ecb2489cf149d19David Blaikie 778152aa4b87633754801598ee282e1a17c3ec49257David Blaikie // Parse optional nested-name-specifier 779152aa4b87633754801598ee282e1a17c3ec49257David Blaikie CXXScopeSpec SS; 780152aa4b87633754801598ee282e1a17c3ec49257David Blaikie ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 781152aa4b87633754801598ee282e1a17c3ec49257David Blaikie 782152aa4b87633754801598ee282e1a17c3ec49257David Blaikie BaseLoc = Tok.getLocation(); 783152aa4b87633754801598ee282e1a17c3ec49257David Blaikie 78422216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie // Parse decltype-specifier 78542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // tok == kw_decltype is just error recovery, it can only happen when SS 78642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // isn't empty 78742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Tok.is(tok::kw_decltype) || Tok.is(tok::annot_decltype)) { 788152aa4b87633754801598ee282e1a17c3ec49257David Blaikie if (SS.isNotEmpty()) 789152aa4b87633754801598ee282e1a17c3ec49257David Blaikie Diag(SS.getBeginLoc(), diag::err_unexpected_scope_on_base_decltype) 790152aa4b87633754801598ee282e1a17c3ec49257David Blaikie << FixItHint::CreateRemoval(SS.getRange()); 79122216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie // Fake up a Declarator to use with ActOnTypeName. 79222216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie DeclSpec DS(AttrFactory); 79322216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie 794b57775709666e50cd925f9fc589d0fd895fc79a6David Blaikie EndLocation = ParseDecltypeSpecifier(DS); 79522216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie 79622216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 79722216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 79822216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie } 79922216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie 8007f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 8017f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 80225a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 803d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 804d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 805059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 8067f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 8077f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 808b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 8097f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 8107f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 81131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 81231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 81331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 81431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 8157f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 8167f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 8177f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 8187f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 8197f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 82042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 8211ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 82231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 82342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 82442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 82584d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 82684d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 82784d0a19828599e8623223632d59447fd498999cfDouglas Gregor 82884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 82984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 83084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 83184d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 83284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 83323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 834059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 83584d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 83684d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 83784d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 838193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 83984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 84084d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 84184d0a19828599e8623223632d59447fd498999cfDouglas Gregor 842193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 84384d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 84484d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 845193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 84684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 847e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (AnnotateTemplateIdToken(Template, TNK, SS, SourceLocation(), 848e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateName, true)) 84984d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 85084d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 851059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 852193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 85384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 85484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 85584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 85684d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 857193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 85884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 85984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 86084d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 861b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 86284d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 86384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 86484d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 86584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 86642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 867059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 8689e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 869fad03b75e0297546c5d12ec420b5b79d5b7baa2aAbramo Bagnara /*IsCtorOrDtorName=*/false, 8709e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true); 871193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 872124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 87331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 87442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 87542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 87642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 87784d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 8785606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 8795606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 8800b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 8815606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 8825606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 883059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 8845606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 8855606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 8865606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 8875606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 8885606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 8895606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 8905606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 89142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 89242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 893e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 894e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 895e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 896d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 897e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 898e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 899e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 900e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 901e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 902e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 903e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 904e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 905e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 906e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 908e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 910e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 911e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 912e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 913e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 914e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 915e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 916e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 9181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 920e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 921e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 922e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 923e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 924e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 925e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 926e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 927e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 928e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 929e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 930e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 931e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 932e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 9334c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 9344c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 9354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 936efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor AccessSpecifier AS, 937efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor bool EnteringContext, 938efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor bool SuppressDeclarations){ 9394c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 9404c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 9414c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 9424c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 9434c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 9444c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 9454c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 9464c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 9474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 948e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 949374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 950374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 95123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 9527d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 953374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 954193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 955926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 956926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 957926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 958926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 959926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 960926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 961926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 962926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 963926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 964926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 965926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 966926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 967926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 968926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 9690b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 970e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 971e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 9727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 973e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 974f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 975b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 9767f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 977193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 978bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 979bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 980bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 9817f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley if (TagType == DeclSpec::TST_struct && 984b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor !Tok.is(tok::identifier) && 985b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.getIdentifierInfo() && 986b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor (Tok.is(tok::kw___is_arithmetic) || 987b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_convertible) || 98820c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_empty) || 989b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_floating_point) || 990b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_function) || 99120c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_fundamental) || 992b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_integral) || 993b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_function_pointer) || 994b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_pointer) || 995b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pod) || 996b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pointer) || 997b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_same) || 998877222e2491bbc40a5c74cc100c540983f306b70Douglas Gregor Tok.is(tok::kw___is_scalar) || 999b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_signed) || 1000b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_unsigned) || 1001b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_void))) { 1002688761409155b47c39eb5dae1b8c6c8a9f43307aDouglas Gregor // GNU libstdc++ 4.2 and libc++ use certain intrinsic names as the 1003b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // name of struct templates, but some are keywords in GCC >= 4.3 1004b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // and Clang. Therefore, when we see the token sequence "struct 1005b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // X", make X into a normal identifier rather than a keyword, to 1006b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // allow libstdc++ 4.2 and libc++ to work properly. 1007646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 1008b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 1009b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1011eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 1012aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 101308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 101408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 101508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 1016193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1017efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), EnteringContext)) 1018207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 10199ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 102008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 102108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 102208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 1023cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 10242cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 10252cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 1026cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 1027e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 1028e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 102939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 1030e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 1031e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 1032e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 1033193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 10345ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 1035193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 10362cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 10372cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 10382cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 10392cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 1040059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 10412cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 1042314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 10432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 10442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 10452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 10462cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 1047193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 10482cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 1049c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 10502cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 10512cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 10522cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 10532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 10542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 1055193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1056193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 1057c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 1058c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 1059c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 1060c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 1061c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 1062c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 1063193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 1064c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 1065c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 1066c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 1067c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 1068c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 10692cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 1070193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 10712cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 1072193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 1073c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 1074c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 1075c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 10762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 10772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 107839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 107925a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateId = takeTemplateIdAnnotation(Tok); 108039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 1081cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 1082059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 1083059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 108439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 108539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 108639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 108739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 108839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 108939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 109039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 109139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 109239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 109439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 109539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 1096926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 1097926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 1098926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 109939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 1100cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 1101e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1102e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1103926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 1104926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 1105926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 1106926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 1107926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 110867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 110967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 1110cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // have to be treated differently. If we have 'struct foo {...', 11111d20927fd0a08c26ef0e86e26f42073fd582ff77Anders Carlsson // 'struct foo :...' or 'struct foo final[opt]' then this is a 1112cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // definition. Otherwise we have something like 'struct foo xyz', a reference. 1113d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 1114d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 1115d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 1116d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 1117d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 1118d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 1119f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 1120d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 1121f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1122cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson else if (Tok.is(tok::l_brace) || 1123cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 11248a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()) { 1125d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 1126d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 1127d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 1128bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith Diag(Tok.getLocation(), diag::err_friend_decl_defines_type) 1129d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 1130d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 1131d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 1132d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 1133d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 1134f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 1135d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 1136d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 1137f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 1138d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 1139d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 1140f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 1141e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 1142f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1143e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1144207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 1145f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 1146207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 1147207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 1148207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 1149207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 1150207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 1151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 1153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 1154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1156ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 1157d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 1158d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 11594d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 1160402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 1161f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 11624d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 11634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 116539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 116639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 11674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1168f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 11694d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 11704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 117123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 117245f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 11744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 11764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 11772b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 11804d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 11827f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 118374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 118474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 118574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 118674256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 118774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 1188f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 1189f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 119074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 119155d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, StartLoc, 1192059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 119355d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TemplateId->TemplateKWLoc, 1194059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 1195059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 1196059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 1197059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 119855d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TemplateId->RAngleLoc); 11994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 12004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 12014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 12024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 12034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 12044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 12054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 12064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 12074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 12084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 12094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 12103f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 12114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 12124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 1213f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 12144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 12164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 12184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 12194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 1220849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 12214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 12224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 12234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 12244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 12254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 12274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 12304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 12314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 12324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 12334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 12344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 12354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 123623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 1237d023aec8907831a18d3514a95b843a7ee06b6b5eDouglas Gregor StartLoc, DS.getModulePrivateSpecLoc(), SS, 12382b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 124139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 12437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 1244f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 1245cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 1246cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 12474d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 12483f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1249f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 12503f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 12513f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 12523f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 12533f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 12543f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 12553f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 125623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 125745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 12607f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 12619a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 12629a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 12639a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 12649a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 12659a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 12667f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 12679a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 12689a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 12699a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 12703f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 12713f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1272f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 12733f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 12743f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 12753f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 1276c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 1277c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1278a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 1279a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 1280a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 1281a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 1282a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 1283a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 1284a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 1285a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 12863f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 12879a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 12887f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 1289e761230ae3751b525cadd8066c74ec278ee4ef57Douglas Gregor DS.getModulePrivateSpecLoc(), 1290bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith TParams, Owned, IsDependent, 1291bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith SourceLocation(), false, 1292bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith clang::TypeResult()); 1293c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1294c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 1295c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 12969a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 12979a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 129823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1299193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 13009a34edb710917798aa30263374f624f13b594605John McCall } 13013f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1302e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1303e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1304f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1305bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1306cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 13078a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()); 130807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1309212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 131007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1311212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1312e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1313e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1314b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1315b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1316b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1317c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 13180daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(DeclSpec::TST_typename, StartLoc, 13190daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1320b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1321c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 13220daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(TagType, StartLoc, 13230daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 13240daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara PrevSpec, DiagID, TagOrTempResult.get(), Owned); 1325c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1326ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 132766e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 132866e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1330b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1331fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1332193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 13334ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 13344ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 13354ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 13364ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 13374ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 13384ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 13394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1340f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1341b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 13424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1343b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 13444ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 134599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 134699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 134799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 134899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 134999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 135099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 135199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1352c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 135316acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1354b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1355b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1356b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1357b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1358b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1359b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1360b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 136199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 136299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 136399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 136499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 136599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 136699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 1367af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith case tok::kw_mutable: // struct foo {...} mutable x; 1368af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith case tok::kw_constexpr: // struct foo {...} constexpr x; 1369b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1370b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1371fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // almost no one actually writes code like this. If we see one of these, 1372b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1373b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1374b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1375b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1376b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1377b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1378b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1379b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1380b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1381b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1382b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1383b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1384b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1385b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 13864ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1387193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1388193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 13894ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1390b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1391b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1392b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1393b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1394193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1395cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith // C++ [temp]p3 In a template-declaration which defines a class, no 1396cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith // declarator is permitted. 1397cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith if (TemplateInfo.Kind) 1398cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith ExpectedSemi = true; 1399cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith 1400b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 14014ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 14024ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 14034ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 14044ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 14054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 14064ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 14074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1408193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 14094ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 14104ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1411e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1412e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1414e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1415e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1416e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1417e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1418e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1419e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1420d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1421e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1422e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1423e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1424f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 14255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1426f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1427e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1428e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1429f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 14305ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1431e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1432e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1433f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1434f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1435f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 14365ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1437e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1438e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1439e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1440e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1441e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1443e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1444e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1445e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1446f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1447f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1448beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1449e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1450e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1451e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1452e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1453e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1454e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1455e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1456e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1457e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1458e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 145909048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// base-type-specifier 1460e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 146109048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// base-type-specifier 1462d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1463e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1464e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1465e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1466e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1467e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1468e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1469e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1470e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1471e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1472e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1473e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 147492f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1475e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 14761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1477e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1478e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1479e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1480e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1481e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1482e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 14831ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1484849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1485e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1486e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1487e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1488e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1489e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 149042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 14917f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 149222216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie SourceLocation BaseLoc; 149322216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie TypeResult BaseType = ParseBaseTypeSpecifier(BaseLoc, EndLocation); 149431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 149542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 14961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1497f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1498f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1499f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1500f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1501f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1502f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1503f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 15057f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 15061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1507e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1508e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1509a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1510f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1511e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1512e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1513e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1514e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1515e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1516e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1517e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1518e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1519e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1521e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1522e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1523e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1524e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1525e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1526e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1527e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 15284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1529d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1530d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1531d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1532d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1533d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 15341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1535075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1536d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1537d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1538d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1539d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1540d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1541d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1542d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 154323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1544d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1545d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1546d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1547d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1548d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1549d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 15508f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1551d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1552d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1553d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1554d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1555d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1556d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1557d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1558d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1559d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1560d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1561d33133cdc1af466f9c276249b2621be03867888bEli Friedman 15621c94c16317c1a35c1549e022958188eea2567089Richard Smith/// isCXX0XVirtSpecifier - Determine whether the given token is a C++0x 15631f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 15641f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 15651f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 15661f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 15671f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 15681c94c16317c1a35c1549e022958188eea2567089Richard SmithVirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier(const Token &Tok) const { 1569ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1570cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1571cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1572b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1573b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 15741f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15757eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 15767eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 15777eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 15787eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 15797eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 15807eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1581b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1582b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 15831f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1584b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1585b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1586b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1587b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1588b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 15891f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 15901f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15911f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 15921f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 15931f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 15941f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 15951f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1596b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 1597b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1598cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier Specifier = isCXX0XVirtSpecifier(); 1599b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1600b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1601b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1602b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1603b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1604cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 160546127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1606b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1607b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1608b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1609b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 16107fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(Tok.getLocation(), getLang().CPlusPlus0x ? 16117fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_override_control_keyword : 16127fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::ext_override_control_keyword) 16137fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith << VirtSpecifiers::getSpecifierName(Specifier); 1614b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1615b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 16161f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 16171f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 16188a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// isCXX0XFinalKeyword - Determine whether the next token is a C++0x 16198a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// contextual 'final' keyword. 16208a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlssonbool Parser::isCXX0XFinalKeyword() const { 1621ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 16228a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1623cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 16248a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Tok.is(tok::identifier)) 16258a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1626cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 16278a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson // Initialize the contextual keywords. 16288a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Ident_final) { 16298a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 16308a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1631cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 16328a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson 16338a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return Tok.getIdentifierInfo() == Ident_final; 1634cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1635cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 16364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 16374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 16394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 16404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 16414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 16424cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1643511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 16445aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1645bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 16464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 16484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 16494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 16504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 16521f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 16534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 16547a614d8380297fcd2bc23986241905d97222948cRichard Smith/// [C++11] declarator brace-or-equal-initializer[opt] 16554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 16564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16571f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 16581f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 16591f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 16601f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 16611f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 16621f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 16631f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 16641f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1665e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 16664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 16674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 16684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 16694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 16704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 167137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 16725f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen AttributeList *AccessAttrs, 1673c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1674c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 16758a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (Tok.is(tok::at)) { 16768a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (getLang().ObjC1 && NextToken().isObjCAtKeyword(tok::objc_defs)) 16778a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_defs_cxx); 16788a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor else 16798a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_in_class); 16808a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 16818a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor ConsumeToken(); 16828a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor SkipUntil(tok::r_brace); 16838a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor return; 16848a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor } 16858a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 168660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 168760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 168860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 16899ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 169060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 169160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 169260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 169360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 169460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 169560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 169660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 169760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 169860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 169960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1700efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), 1701efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor /*EnteringContext=*/false); 170260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 170360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 1704e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc; 170560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1706e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), 1707e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateKWLoc, Name)) { 170860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 170960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 171060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 171160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 171260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 171360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 171460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 171560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 171660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 171760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 171860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 171923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 172060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 172160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 172260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 172360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 172460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 172560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 172660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 172760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 172860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1729511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1730c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) { 173137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 173297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 173397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1734682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1735682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 17361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1737682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 17381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 173937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 174097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 17411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 17425f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen AS, AccessAttrs); 1743682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1744682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 17455aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1746bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1747bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1748bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1749bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1750bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 17515f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen return ParseCXXClassMemberDeclaration(AS, AccessAttrs, 17525f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen TemplateInfo, TemplateDiags); 1753bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 17549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 17554ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 17564ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1757a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1758193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 17590b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 1760bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 17617f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 17627f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1763bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 17649cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 17657f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 17661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 17689cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 17699cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 17709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 17719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 17729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1773ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 17749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 17753e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 177678b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 177778b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 17789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 17799cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 17809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 17819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 17824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 17834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1784c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 17857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 178637b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 17874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1788f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1789dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1790dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1791dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 17924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 17934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1794d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 17950f4be74ff0273e505d383f89174ef539828424edChandler Carruth Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS, TemplateParams); 1796c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 179767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 17984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 179907952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 180054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 18014867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 18024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1803eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Hold late-parsed attributes so we can attach a Decl to them later. 1804eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrList LateParsedAttrs; 1805eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 1806a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor SourceLocation EqualLoc; 1807a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor bool HasInitializer = false; 1808a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor ExprResult Init; 18093a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1810a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1811a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1812a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 18133a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 18143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 18153a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 181610bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 18173a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 1818d941fa4ff0d0d64b5a541dbd4f99693bff7f6e8dSebastian Redl SkipUntil(tok::r_brace, true, true); 18193a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 18203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1821682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 18224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18244867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseOptionalCXX0XVirtSpecifierSeq(VS); 18254867347e82648d3baf09524b98b09c297a5a198fNico Weber 18261b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 1827eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 18281b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 18296a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // MSVC permits pure specifier on inline functions declared at class scope. 18306a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // Hence check for =0 before checking for function definition. 183162ec1f2fd7368542bb926c04797fb07023547694Francois Pichet if (getLang().MicrosoftExt && Tok.is(tok::equal) && 18326a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet DeclaratorInfo.isFunctionDeclarator() && 18336a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet NextToken().is(tok::numeric_constant)) { 1834a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor EqualLoc = ConsumeToken(); 18356a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet Init = ParseInitializer(); 18366a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (Init.isInvalid()) 18376a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet SkipUntil(tok::comma, true, true); 1838a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor else 1839a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor HasInitializer = true; 18406a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet } 18416a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet 184245fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor FunctionDefinitionKind DefinitionKind = FDK_Declaration; 18433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 18447a614d8380297fcd2bc23986241905d97222948cRichard Smith // 18457a614d8380297fcd2bc23986241905d97222948cRichard Smith // In C++11, a non-function declarator followed by an open brace is a 18467a614d8380297fcd2bc23986241905d97222948cRichard Smith // braced-init-list for an in-class member initialization, not an 18477a614d8380297fcd2bc23986241905d97222948cRichard Smith // erroneous function definition. 18487a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) && !getLang().CPlusPlus0x) { 184945fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Definition; 1850e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (DeclaratorInfo.isFunctionDeclarator()) { 18517a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) || Tok.is(tok::colon) || Tok.is(tok::kw_try)) { 185245fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Definition; 1853e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (Tok.is(tok::equal)) { 1854e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 185545fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor if (KW.is(tok::kw_default)) 185645fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Defaulted; 185745fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor else if (KW.is(tok::kw_delete)) 185845fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Deleted; 1859e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1860e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1861e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 186245fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor if (DefinitionKind) { 18633a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 186465ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu Diag(DeclaratorInfo.getIdentifierLoc(), diag::err_func_def_no_params); 18653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 186665ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu SkipUntil(tok::r_brace, /*StopAtSemi*/false); 18679ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 18689ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 18699ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 18709ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1871682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 18723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 18733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 18743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 187565ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu Diag(DeclaratorInfo.getIdentifierLoc(), 187665ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu diag::err_function_declared_typedef); 18773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 18783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 18793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 18803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 188165ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu SkipUntil(tok::r_brace, /*StopAtSemi*/false); 18829ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 18839ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 18849ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 18859ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1886682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 18873a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 18884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1889eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski Decl *FunDecl = 18905f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParseCXXInlineMethodDef(AS, AccessAttrs, DeclaratorInfo, TemplateInfo, 189145fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor VS, DefinitionKind, Init); 1892eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 1893eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 1894eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs[i]->setDecl(FunDecl); 1895eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 1896eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 1897e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1898e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt // Consume the ';' - it's optional unless we have a delete or default 1899e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (Tok.is(tok::semi)) { 19009ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1901e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 19029ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1903682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 19043a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 19054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 19084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 19094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 19104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19115f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> DeclsInGroup; 191260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 19131c94c16317c1a35c1549e022958188eea2567089Richard Smith bool ExpectSemi = true; 19144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 19164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 19174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 19187a614d8380297fcd2bc23986241905d97222948cRichard Smith // declarator brace-or-equal-initializer[opt] 19194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 19204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 19214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 19220e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 19230e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 19244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 19254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1927e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1928e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1929e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 193060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1931e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1932e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1933e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1934e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1935e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1936e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1937e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 19384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1939eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 19404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19417a614d8380297fcd2bc23986241905d97222948cRichard Smith // FIXME: When g++ adds support for this, we'll need to check whether it 19427a614d8380297fcd2bc23986241905d97222948cRichard Smith // goes before or after the GNU attributes and __asm__. 19437a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseOptionalCXX0XVirtSpecifierSeq(VS); 19447a614d8380297fcd2bc23986241905d97222948cRichard Smith 19457a614d8380297fcd2bc23986241905d97222948cRichard Smith bool HasDeferredInitializer = false; 1946a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor if ((Tok.is(tok::equal) || Tok.is(tok::l_brace)) && !HasInitializer) { 19477a614d8380297fcd2bc23986241905d97222948cRichard Smith if (BitfieldSize.get()) { 19487a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_bitfield_member_init); 19497a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 19507a614d8380297fcd2bc23986241905d97222948cRichard Smith } else { 1951147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor HasInitializer = true; 1952555f57e3549fb5cc963a2ce38180c4f3643a6f95Douglas Gregor HasDeferredInitializer = !DeclaratorInfo.isDeclarationOfFunction() && 19537a614d8380297fcd2bc23986241905d97222948cRichard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1954c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith != DeclSpec::SCS_static && 1955c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1956c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith != DeclSpec::SCS_typedef; 19577a614d8380297fcd2bc23986241905d97222948cRichard Smith } 19587a614d8380297fcd2bc23986241905d97222948cRichard Smith } 19597a614d8380297fcd2bc23986241905d97222948cRichard Smith 196007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1961682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 196207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 196367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1964d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 196567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1966bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 196723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1968bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 196937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 197023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 197167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 197237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 197367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 19742c712f50cd56eaf3662989b556e9c6b1e8fcd11aKaelyn Uhrain VS, HasDeferredInitializer); 19755f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen if (AccessAttrs) 19765f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen Actions.ProcessDeclAttributeList(getCurScope(), ThisDecl, AccessAttrs, 19775f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen false, true); 197837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1979147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 1980eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Set the Decl for any late parsed attributes 1981eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 1982eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs[i]->setDecl(ThisDecl); 1983eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 1984eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 1985eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 1986147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // Handle the initializer. 19877a614d8380297fcd2bc23986241905d97222948cRichard Smith if (HasDeferredInitializer) { 1988147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // The initializer was deferred; parse it and cache the tokens. 19897fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(Tok, getLang().CPlusPlus0x ? 19907fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_nonstatic_member_init : 19917fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::ext_nonstatic_member_init); 19927fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith 19937a614d8380297fcd2bc23986241905d97222948cRichard Smith if (DeclaratorInfo.isArrayOfUnknownBound()) { 19947a614d8380297fcd2bc23986241905d97222948cRichard Smith // C++0x [dcl.array]p3: An array bound may also be omitted when the 19957a614d8380297fcd2bc23986241905d97222948cRichard Smith // declarator is followed by an initializer. 19967a614d8380297fcd2bc23986241905d97222948cRichard Smith // 19977a614d8380297fcd2bc23986241905d97222948cRichard Smith // A brace-or-equal-initializer for a member-declarator is not an 19983164c14cadbb09a05ba811602221e9156077cf44David Blaikie // initializer in the grammar, so this is ill-formed. 19997a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_incomplete_array_member_init); 20007a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 20013164c14cadbb09a05ba811602221e9156077cf44David Blaikie if (ThisDecl) 20023164c14cadbb09a05ba811602221e9156077cf44David Blaikie // Avoid later warnings about a class member of incomplete type. 20033164c14cadbb09a05ba811602221e9156077cf44David Blaikie ThisDecl->setInvalidDecl(); 20047a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 20057a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseCXXNonStaticMemberInitializer(ThisDecl); 2006147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } else if (HasInitializer) { 2007147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // Normal initializer. 2008a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor if (!Init.isUsable()) 2009552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor Init = ParseCXXMemberInitializer(ThisDecl, 2010a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor DeclaratorInfo.isDeclarationOfFunction(), EqualLoc); 2011a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor 2012147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (Init.isInvalid()) 2013147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor SkipUntil(tok::comma, true, true); 2014147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor else if (ThisDecl) 2015147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.AddInitializerToDecl(ThisDecl, Init.get(), false, 2016a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor DS.getTypeSpecType() == DeclSpec::TST_auto); 2017147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } else if (ThisDecl && DS.getStorageClassSpec() == DeclSpec::SCS_static) { 2018147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // No initializer. 2019147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.ActOnUninitializedDecl(ThisDecl, 2020147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DS.getTypeSpecType() == DeclSpec::TST_auto); 20217a614d8380297fcd2bc23986241905d97222948cRichard Smith } 2022147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 2023147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (ThisDecl) { 2024147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.FinalizeDeclaration(ThisDecl); 2025147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclsInGroup.push_back(ThisDecl); 2026147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } 2027147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 2028147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 2029147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclaratorInfo.getDeclSpec().getStorageClassSpec() 2030147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor != DeclSpec::SCS_typedef) { 2031147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 2032147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } 2033147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 2034147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclaratorInfo.complete(ThisDecl); 20357a614d8380297fcd2bc23986241905d97222948cRichard Smith 20364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 20374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 20384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 20394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 20401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 20421c94c16317c1a35c1549e022958188eea2567089Richard Smith SourceLocation CommaLoc = ConsumeToken(); 20431c94c16317c1a35c1549e022958188eea2567089Richard Smith 20441c94c16317c1a35c1549e022958188eea2567089Richard Smith if (Tok.isAtStartOfLine() && 20451c94c16317c1a35c1549e022958188eea2567089Richard Smith !MightBeDeclarator(Declarator::MemberContext)) { 20461c94c16317c1a35c1549e022958188eea2567089Richard Smith // This comma was followed by a line-break and something which can't be 20471c94c16317c1a35c1549e022958188eea2567089Richard Smith // the start of a declarator. The comma was probably a typo for a 20481c94c16317c1a35c1549e022958188eea2567089Richard Smith // semicolon. 20491c94c16317c1a35c1549e022958188eea2567089Richard Smith Diag(CommaLoc, diag::err_expected_semi_declaration) 20501c94c16317c1a35c1549e022958188eea2567089Richard Smith << FixItHint::CreateReplacement(CommaLoc, ";"); 20511c94c16317c1a35c1549e022958188eea2567089Richard Smith ExpectSemi = false; 20521c94c16317c1a35c1549e022958188eea2567089Richard Smith break; 20531c94c16317c1a35c1549e022958188eea2567089Richard Smith } 20541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 20564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 20574867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 2058147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor BitfieldSize = true; 2059a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor Init = true; 2060a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor HasInitializer = false; 20617984de35644701c0d94336da7f2215d4c26d9f5bRichard Smith DeclaratorInfo.setCommaLoc(CommaLoc); 20621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 20647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 20654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 20673a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 20684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 20694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20701c94c16317c1a35c1549e022958188eea2567089Richard Smith if (ExpectSemi && 20711c94c16317c1a35c1549e022958188eea2567089Richard Smith ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 2072ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 2073ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 2074ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 2075ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 2076682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 20774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 20784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 207923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 2080ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 20814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 20824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20837a614d8380297fcd2bc23986241905d97222948cRichard Smith/// ParseCXXMemberInitializer - Parse the brace-or-equal-initializer or 20847a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier. Also detect and reject any attempted defaulted/deleted 20857a614d8380297fcd2bc23986241905d97222948cRichard Smith/// function definition. The location of the '=', if any, will be placed in 20867a614d8380297fcd2bc23986241905d97222948cRichard Smith/// EqualLoc. 20877a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 20887a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier: 20897a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '= 0' 20907a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 20917a614d8380297fcd2bc23986241905d97222948cRichard Smith/// brace-or-equal-initializer: 20927a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' initializer-expression 20937a614d8380297fcd2bc23986241905d97222948cRichard Smith/// braced-init-list [TODO] 20947a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 20957a614d8380297fcd2bc23986241905d97222948cRichard Smith/// initializer-clause: 20967a614d8380297fcd2bc23986241905d97222948cRichard Smith/// assignment-expression 20977a614d8380297fcd2bc23986241905d97222948cRichard Smith/// braced-init-list [TODO] 20987a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 20997a614d8380297fcd2bc23986241905d97222948cRichard Smith/// defaulted/deleted function-definition: 21007a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'default' 21017a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'delete' 21027a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 21037a614d8380297fcd2bc23986241905d97222948cRichard Smith/// Prior to C++0x, the assignment-expression in an initializer-clause must 21047a614d8380297fcd2bc23986241905d97222948cRichard Smith/// be a constant-expression. 2105552e29985a710f4ced62b39d70557501bd31ca9bDouglas GregorExprResult Parser::ParseCXXMemberInitializer(Decl *D, bool IsFunction, 21067a614d8380297fcd2bc23986241905d97222948cRichard Smith SourceLocation &EqualLoc) { 21077a614d8380297fcd2bc23986241905d97222948cRichard Smith assert((Tok.is(tok::equal) || Tok.is(tok::l_brace)) 21087a614d8380297fcd2bc23986241905d97222948cRichard Smith && "Data member initializer not starting with '=' or '{'"); 21097a614d8380297fcd2bc23986241905d97222948cRichard Smith 2110552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor EnterExpressionEvaluationContext Context(Actions, 2111552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor Sema::PotentiallyEvaluated, 2112552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor D); 21137a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::equal)) { 21147a614d8380297fcd2bc23986241905d97222948cRichard Smith EqualLoc = ConsumeToken(); 21157a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::kw_delete)) { 21167a614d8380297fcd2bc23986241905d97222948cRichard Smith // In principle, an initializer of '= delete p;' is legal, but it will 21177a614d8380297fcd2bc23986241905d97222948cRichard Smith // never type-check. It's better to diagnose it as an ill-formed expression 21187a614d8380297fcd2bc23986241905d97222948cRichard Smith // than as an ill-formed deleted non-function member. 21197a614d8380297fcd2bc23986241905d97222948cRichard Smith // An initializer of '= delete p, foo' will never be parsed, because 21207a614d8380297fcd2bc23986241905d97222948cRichard Smith // a top-level comma always ends the initializer expression. 21217a614d8380297fcd2bc23986241905d97222948cRichard Smith const Token &Next = NextToken(); 21227a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction || Next.is(tok::semi) || Next.is(tok::comma) || 21237a614d8380297fcd2bc23986241905d97222948cRichard Smith Next.is(tok::eof)) { 21247a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 21257a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_delete_in_multiple_declaration) 21267a614d8380297fcd2bc23986241905d97222948cRichard Smith << 1 /* delete */; 21277a614d8380297fcd2bc23986241905d97222948cRichard Smith else 21287a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_deleted_non_function); 21297a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprResult(); 21307a614d8380297fcd2bc23986241905d97222948cRichard Smith } 21317a614d8380297fcd2bc23986241905d97222948cRichard Smith } else if (Tok.is(tok::kw_default)) { 21327a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 21337a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_default_delete_in_multiple_declaration) 21347a614d8380297fcd2bc23986241905d97222948cRichard Smith << 0 /* default */; 21357a614d8380297fcd2bc23986241905d97222948cRichard Smith else 21367a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_special_members); 21377a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprResult(); 21387a614d8380297fcd2bc23986241905d97222948cRichard Smith } 21397a614d8380297fcd2bc23986241905d97222948cRichard Smith 21407a614d8380297fcd2bc23986241905d97222948cRichard Smith return ParseInitializer(); 21417a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 21427a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprError(Diag(Tok, diag::err_generalized_initializer_lists)); 21437a614d8380297fcd2bc23986241905d97222948cRichard Smith} 21447a614d8380297fcd2bc23986241905d97222948cRichard Smith 21454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 21464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 21474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 21484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 21494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 21504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 21514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 2152d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 215331fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 21544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 215531fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 21564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2157f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 2158f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 21591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 216126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 216226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 216326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 216423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 216526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 216626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 216726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 216826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 216926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 217026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 217126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 217226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 217326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 217426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 217526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 217626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 217726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 217826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 217926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 218026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 218126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 218226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 21834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 21844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 21853218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 21864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 21876569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 218826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 21896569d68745c8213709740337d2be52b031384f58Douglas Gregor 2190ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 219123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 2192bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2193b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson SourceLocation FinalLoc; 2194b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2195b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Parse the optional 'final' keyword. 2196b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (getLang().CPlusPlus && Tok.is(tok::identifier)) { 21978b11b5e6ce086fcaa7344bf84cffefcf4b53f9f6Richard Smith assert(isCXX0XFinalKeyword() && "not a class definition"); 21988b11b5e6ce086fcaa7344bf84cffefcf4b53f9f6Richard Smith FinalLoc = ConsumeToken(); 2199b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 22007fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(FinalLoc, getLang().CPlusPlus0x ? 22017fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_override_control_keyword : 22027fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::ext_override_control_keyword) << "final"; 2203b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 2204cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 2205bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 2206bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 2207bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2208bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 2209bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 2210db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 2211db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 221223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 2213bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 2214bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2215bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2216bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2217bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 22184a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 22194a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2220bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 222142a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 22222c3ee54e51d835a35bbf781c69e17f39e2ba0480Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, FinalLoc, 22234a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation()); 2224f9368159334ff86ea5fa367225c1a580977f3b03John McCall 22254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 22264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 22274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 22284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 22294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 22304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 22314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 22324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 22335f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParsedAttributes AccessAttrs(AttrFactory); 22344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 223507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 223607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 223707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 223807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 223907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 224062ec1f2fd7368542bb926c04797fb07023547694Francois Pichet if (getLang().MicrosoftExt && (Tok.is(tok::kw___if_exists) || 2241563a645de82231a55e221fe655b7188bf8369662Francois Pichet Tok.is(tok::kw___if_not_exists))) { 2242563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2243563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2244563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2245563a645de82231a55e221fe655b7188bf8369662Francois Pichet 224607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 224707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 224807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 224907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 225007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 225107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 225207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 225307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 225507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 225607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 225707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 225807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 225907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 226013f8daf70637f8f295134ac8e089dd7721e09085David Blaikie unsigned TokLength = Tok.getLength(); 226107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 22625f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen AccessAttrs.clear(); 22635f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen MaybeParseGNUAttributes(AccessAttrs); 22645f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen 226513f8daf70637f8f295134ac8e089dd7721e09085David Blaikie SourceLocation EndLoc; 226613f8daf70637f8f295134ac8e089dd7721e09085David Blaikie if (Tok.is(tok::colon)) { 226713f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = Tok.getLocation(); 226813f8daf70637f8f295134ac8e089dd7721e09085David Blaikie ConsumeToken(); 226913f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } else if (Tok.is(tok::semi)) { 227013f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = Tok.getLocation(); 227113f8daf70637f8f295134ac8e089dd7721e09085David Blaikie ConsumeToken(); 227213f8daf70637f8f295134ac8e089dd7721e09085David Blaikie Diag(EndLoc, diag::err_expected_colon) 227313f8daf70637f8f295134ac8e089dd7721e09085David Blaikie << FixItHint::CreateReplacement(EndLoc, ":"); 227413f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } else { 227513f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = ASLoc.getLocWithOffset(TokLength); 227613f8daf70637f8f295134ac8e089dd7721e09085David Blaikie Diag(EndLoc, diag::err_expected_colon) 227713f8daf70637f8f295134ac8e089dd7721e09085David Blaikie << FixItHint::CreateInsertion(EndLoc, ":"); 227813f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } 2279c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen 2280c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen if (Actions.ActOnAccessSpecifier(AS, ASLoc, EndLoc, 2281c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen AccessAttrs.getList())) { 2282c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen // found another attribute than only annotations 2283c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen AccessAttrs.clear(); 2284c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen } 2285c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen 228607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 228707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 22884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 228907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 22904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 229107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 22925f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParseCXXClassMemberDeclaration(CurAS, AccessAttrs.getList()); 229307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 22941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22954a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 229607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 229707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 22984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 22991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 23010b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 23027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 23034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 230442a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 230523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 23064a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 23074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation(), 23087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 23094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 23107a614d8380297fcd2bc23986241905d97222948cRichard Smith // C++0x [class.mem]p2: Within the class member-specification, the class is 23117a614d8380297fcd2bc23986241905d97222948cRichard Smith // regarded as complete within function bodies, default arguments, exception- 23127a614d8380297fcd2bc23986241905d97222948cRichard Smith // specifications, and brace-or-equal-initializers for non-static data 23137a614d8380297fcd2bc23986241905d97222948cRichard Smith // members (including such things in nested classes). 23144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 23157a614d8380297fcd2bc23986241905d97222948cRichard Smith // FIXME: Only function bodies and brace-or-equal-initializers are currently 23167a614d8380297fcd2bc23986241905d97222948cRichard Smith // handled. Fix the others! 231707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 23184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 231972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 2320eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // declarations and the lexed inline method definitions, along with any 2321eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // delayed attributes. 2322e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 2323eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski ParseLexedAttributes(getCurrentClass()); 23246569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 23257a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseLexedMemberInitializers(getCurrentClass()); 23266569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 2327e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 23284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 23294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 233042a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 23314a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, 23324a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 2333db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 23344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 23356569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 23368935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 23374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 23387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 23397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 23407ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 23417ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 23427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 23437ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 23447ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 23457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 23467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 23477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 23487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 23497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 23507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 23517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 23527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 23537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 23541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 23551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 23567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 23571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 23583fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 23593fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 2360d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 23617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 23627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 236328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley // Poison the SEH identifiers so they are flagged as illegal in constructor initializers 236428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); 23657ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23675f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXCtorInitializer*, 4> MemInitializers; 23689db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 2369193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 23707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 23710133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 23720133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 23730133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 23740133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 23757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 23760133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 23770133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 23780133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 23790133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 23800133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 23810133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 23820133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 23830133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 23847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 23857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 23867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 23877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 2388b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 2389b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 2390751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 2391751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 2392751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 2393751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 2394751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 23957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 2396d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 23977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 23987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 23997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 24007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 24017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 24021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 24039db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 24049db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 24057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 24067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 24077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 24087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 24097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 24107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 24117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 24127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 24137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 2414dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] mem-initializer-id braced-init-list 24151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 24167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 24177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 24187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 2419d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 2420bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 2421bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 2422efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 2423b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 2424961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 242525a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 2426d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 2427d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 2428059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 2429961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 2430b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 2431961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2432961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2433f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // Uses of decltype will already have been converted to annot_decltype by 2434f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // ParseOptionalCXXScopeSpecifier at this point. 2435f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie if (!TemplateTypeTy && Tok.isNot(tok::identifier) 2436f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie && Tok.isNot(tok::annot_decltype)) { 24371ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 24387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 24397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 24401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2441f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie IdentifierInfo *II = 0; 2442f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie DeclSpec DS(AttrFactory); 2443f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie SourceLocation IdLoc = Tok.getLocation(); 2444f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie if (Tok.is(tok::annot_decltype)) { 2445f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // Get the decltype expression, if there is one. 2446f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie ParseDecltypeSpecifier(DS); 2447f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie } else { 2448f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie if (Tok.is(tok::identifier)) 2449f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // Get the identifier. This may be a member name or a class name, 2450f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // but we'll let the semantic analysis determine which it is. 2451f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie II = Tok.getIdentifierInfo(); 2452f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie ConsumeToken(); 2453f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie } 2454f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie 24557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 24567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 2457dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::l_brace)) { 24587fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); 24597fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith 24606df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl ExprResult InitList = ParseBraceInitializer(); 24616df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl if (InitList.isInvalid()) 24626df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl return true; 24636df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl 24646df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl SourceLocation EllipsisLoc; 24656df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl if (Tok.is(tok::ellipsis)) 24666df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl EllipsisLoc = ConsumeToken(); 24676df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl 24686df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 2469f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie TemplateTypeTy, DS, IdLoc, 2470f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie InitList.take(), EllipsisLoc); 2471dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } else if(Tok.is(tok::l_paren)) { 24724a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 24734a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2474dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 2475dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // Parse the optional expression-list. 2476dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ExprVector ArgExprs(Actions); 2477dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl CommaLocsTy CommaLocs; 2478dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 2479dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SkipUntil(tok::r_paren); 2480dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 2481dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 24827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 24834a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 24847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2485dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation EllipsisLoc; 2486dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.is(tok::ellipsis)) 2487dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl EllipsisLoc = ConsumeToken(); 24887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2489dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 2490f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie TemplateTypeTy, DS, IdLoc, 24914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), ArgExprs.take(), 24924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor ArgExprs.size(), T.getCloseLocation(), 2493dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl EllipsisLoc); 2494dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 2495dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 2496dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl Diag(Tok, getLang().CPlusPlus0x ? diag::err_expected_lparen_or_lbrace 2497dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl : diag::err_expected_lparen); 2498dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 24997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 25000fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 25017acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 25020fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 2503a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 25047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 25057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 25067acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 25077acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 25087acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 25097acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 25107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 25117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlParser::MaybeParseExceptionSpecification(SourceRange &SpecificationRange, 25125f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &DynamicExceptions, 25135f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 25147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr) { 25157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 25167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25177acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 25187acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 25197acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 25207acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 25217acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 25227acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 25237acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 25247acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 25257acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25267acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 25277acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 25287acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 25297acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2530841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith Diag(Tok, diag::warn_cxx98_compat_noexcept_decl); 2531841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith 25327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 25337acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 25347acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 25357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 25367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25377acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 25387acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 25397acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 25404a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25414a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 25427acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 25437acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 254460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // The argument must be contextually convertible to bool. We use 254560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // ActOnBooleanCondition for this purpose. 254660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr.isInvalid()) 254760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr = Actions.ActOnBooleanCondition(getCurScope(), KeywordLoc, 254860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr.get()); 25494a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 25504a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor NoexceptRange = SourceRange(KeywordLoc, T.getCloseLocation()); 25517acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 25527acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 25537acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 25547acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 25557acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 25567acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25577acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 25587acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 25597acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 25607acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 25627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 25637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 25647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 25657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 25667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 25677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 25687acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 25697acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 25707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 25717acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25727acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 25737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 25747acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 25757acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 25767acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 25777acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 25787acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 2579a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 2580a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 25811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2582a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 2583a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 2584a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 25850fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 25867acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 25877acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 25885f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &Exceptions, 25895f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &Ranges) { 25900fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 25911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25927acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 25934a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25944a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 25957acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 25967acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 259760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_DynamicNone; 25980fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 25990fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 2600a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 2601a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 2602a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 2603a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 260462ec1f2fd7368542bb926c04797fb07023547694Francois Pichet if (!getLang().MicrosoftExt) 2605a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 26064a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 26074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SpecificationRange.setEnd(T.getCloseLocation()); 260860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_MSAny; 2609a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 2610a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 26110fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 2612ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 26130fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 2614ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 26157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2616a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 2617a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 2618a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 2619a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 2620a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 26217acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 2622a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 2623a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 2624a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 26257acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2626ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 26277dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 2628ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 2629ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 2630a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 26310fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 26320fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 26337dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 26340fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 26350fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 26360fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 26374a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 26384a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SpecificationRange.setEnd(T.getCloseLocation()); 263960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return Exceptions.empty() ? EST_DynamicNone : EST_Dynamic; 26400fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 26416569d68745c8213709740337d2be52b031384f58Douglas Gregor 2642dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 2643dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2644ae7902c4293d9de8b9591759513f0d075f45022aDouglas GregorTypeResult Parser::ParseTrailingReturnType(SourceRange &Range) { 2645dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2646dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2647dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2648dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2649dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2650dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2651dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2652dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2653dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2654dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2655dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2656dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2657dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2658dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 26596569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 26606569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 26616569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2662eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 2663eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 266426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 26656569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 266626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 2667eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 26686569d68745c8213709740337d2be52b031384f58Douglas Gregor} 26696569d68745c8213709740337d2be52b031384f58Douglas Gregor 26706569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 26716569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 26726569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2673d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2674d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 26756569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 26766569d68745c8213709740337d2be52b031384f58Douglas Gregor} 26776569d68745c8213709740337d2be52b031384f58Douglas Gregor 26786569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 26796569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 26806569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 26816569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 26826569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 26836569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 26846569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 26856569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 26866569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 2687eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 26886569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 26891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2690eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 2691eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 26926569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 26936569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 26946569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 26956569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 26966569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 26976569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 26986569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 26991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 27006569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 27016569d68745c8213709740337d2be52b031384f58Douglas Gregor 2702d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 27036569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 27046569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 27056569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 27066569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2707d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 27086569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 27096569d68745c8213709740337d2be52b031384f58Douglas Gregor } 27106569d68745c8213709740337d2be52b031384f58Douglas Gregor 27116569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 27126569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 27136569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 271423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2715d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 271623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 27176569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2718bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 27193497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// ParseCXX0XAttributeSpecifier - Parse a C++0x attribute-specifier. Currently 27203497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// only parses standard attributes. 2721bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2722bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2723bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 272482d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne/// alignment-specifier 2725bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2726bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2727bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2728bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2729bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2730bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2731bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2732bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2733bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2734bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2735bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2736bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2737bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2738bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2739bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2740bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2741bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2742bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2743bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2744bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2745bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2746bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2747bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2748bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2749bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2750bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2751bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2752bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2753bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2754bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 27553497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbournevoid Parser::ParseCXX0XAttributeSpecifier(ParsedAttributes &attrs, 27563497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation *endLoc) { 275782d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne if (Tok.is(tok::kw_alignas)) { 275841be673e93ed225b45479557b20ff19b3082bae8Richard Smith Diag(Tok.getLocation(), diag::warn_cxx98_compat_alignas); 275982d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne ParseAlignmentSpecifier(attrs, endLoc); 276082d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne return; 276182d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne } 276282d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne 2763bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2764bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2765bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 276641be673e93ed225b45479557b20ff19b3082bae8Richard Smith Diag(Tok.getLocation(), diag::warn_cxx98_compat_attribute); 276741be673e93ed225b45479557b20ff19b3082bae8Richard Smith 2768bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2769bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2770193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2771bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2772bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2773bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2774bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2775bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2776bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2777bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2778bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2779bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2780bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2781bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2782bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2783bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2784bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2785193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2786bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2787bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2788bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2789bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2790bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2791bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2792bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2793bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2794bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2795193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2796bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2797bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2798bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2799bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2800bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2801bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2802bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2803bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2804bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2805bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2806bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2807bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2808bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2809bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 28107725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 281115e14a289583616e582a23b320933e846a742626Anders Carlsson case AttributeList::AT_noreturn: { 2812bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2813bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2814bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2815bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2816bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2817bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 28180b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 0, 28190b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation(), 0, 0, false, true); 2820bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2821bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2822bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2823bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2824bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2825bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2826bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2827bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2828bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2829bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2830bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2831bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2832bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2833bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2834bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2835bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2836bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2837bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2838bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 28393497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne if (endLoc) 28403497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne *endLoc = Tok.getLocation(); 2841bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2842bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 28433497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne} 28443497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne 28453497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier-seq. 28463497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// 28473497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// attribute-specifier-seq: 28483497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// attribute-specifier-seq[opt] attribute-specifier 28493497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbournevoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 28503497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation *endLoc) { 28513497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation StartLoc = Tok.getLocation(), Loc; 28523497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne if (!endLoc) 28533497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne endLoc = &Loc; 28543497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne 28558828ee7faa42f889ade3bb635dc5f1338be671b1Douglas Gregor do { 28563497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne ParseCXX0XAttributeSpecifier(attrs, endLoc); 28578828ee7faa42f889ade3bb635dc5f1338be671b1Douglas Gregor } while (isCXX0XAttributeSpecifier()); 2858bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 28593497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne attrs.Range = SourceRange(StartLoc, *endLoc); 2860bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2861bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2862334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2863334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2864334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2865334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2866334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2867334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2868334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2869334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 28707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 28717f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2872334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2873334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2874334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2875334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2876334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 28777f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2878334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2879334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2880334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2881563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2882563a645de82231a55e221fe655b7188bf8369662Francois Pichetvoid Parser::ParseMicrosoftIfExistsClassDeclaration(DeclSpec::TST TagType, 2883563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier& CurAS) { 28843896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor IfExistsCondition Result; 2885563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (ParseMicrosoftIfExistsCondition(Result)) 2886563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2887563a645de82231a55e221fe655b7188bf8369662Francois Pichet 28883896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor BalancedDelimiterTracker Braces(*this, tok::l_brace); 28893896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor if (Braces.consumeOpen()) { 2890563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_lbrace); 2891563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2892563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2893563a645de82231a55e221fe655b7188bf8369662Francois Pichet 28943896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor switch (Result.Behavior) { 28953896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Parse: 28963896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor // Parse the declarations below. 28973896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor break; 28983896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 28993896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Dependent: 29003896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Diag(Result.KeywordLoc, diag::warn_microsoft_dependent_exists) 29013896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor << Result.IsIfExists; 29023896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor // Fall through to skip. 29033896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 29043896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Skip: 29053896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Braces.skipToEnd(); 2906563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2907563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2908563a645de82231a55e221fe655b7188bf8369662Francois Pichet 29093896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 2910563a645de82231a55e221fe655b7188bf8369662Francois Pichet // __if_exists, __if_not_exists can nest. 2911563a645de82231a55e221fe655b7188bf8369662Francois Pichet if ((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists))) { 2912563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2913563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2914563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2915563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2916563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Check for extraneous top-level semicolon. 2917563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::semi)) { 2918563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::ext_extra_struct_semi) 2919563a645de82231a55e221fe655b7188bf8369662Francois Pichet << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 2920563a645de82231a55e221fe655b7188bf8369662Francois Pichet << FixItHint::CreateRemoval(Tok.getLocation()); 2921563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2922563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2923563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2924563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2925563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier AS = getAccessSpecifierIfPresent(); 2926563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (AS != AS_none) { 2927563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Current token is a C++ access specifier. 2928563a645de82231a55e221fe655b7188bf8369662Francois Pichet CurAS = AS; 2929563a645de82231a55e221fe655b7188bf8369662Francois Pichet SourceLocation ASLoc = Tok.getLocation(); 2930563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2931563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::colon)) 2932563a645de82231a55e221fe655b7188bf8369662Francois Pichet Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 2933563a645de82231a55e221fe655b7188bf8369662Francois Pichet else 2934563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_colon); 2935563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2936563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2937563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2938563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2939563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Parse all the comma separated declarators. 29405f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParseCXXClassMemberDeclaration(CurAS, 0); 2941563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 29423896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 29433896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Braces.consumeClose(); 2944563a645de82231a55e221fe655b7188bf8369662Francois Pichet} 2945