ParseDeclCXX.cpp revision 0e2c34f92f00628d48968dfea096d36381f494cb
18f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===// 28f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 38f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// The LLVM Compiler Infrastructure 48f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 78f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 88f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 98f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// This file implements the C++ Declaration portions of the Parser interfaces. 118f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 128f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 138f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 141b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor#include "clang/Parse/Parser.h" 1555fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "RAIIObjectsForParser.h" 16651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "clang/AST/ASTContext.h" 17651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "clang/AST/DeclTemplate.h" 18651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "clang/Basic/Attributes.h" 193f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose#include "clang/Basic/CharInfo.h" 2055fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Basic/OperatorKinds.h" 210e2c34f92f00628d48968dfea096d36381f494cbStephen Hines#include "clang/Basic/TargetInfo.h" 22500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 2319510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 2419510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 25f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 2655fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Sema/Scope.h" 27e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall#include "clang/Sema/SemaDiagnostic.h" 288fe83e1df954d72c0f4ffc15d20a5222ec151c21Benjamin Kramer#include "llvm/ADT/SmallString.h" 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 32d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// may either be a top level namespace or a block-level namespace alias. If 33d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// there was an inline keyword, it has already been parsed. 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 40d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' attributes[opt] '{' namespace-body '}' 418f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 428f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 448f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 458f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 468f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 47d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' identifier attributes[opt] 48d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 508f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 51d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' original-namespace-name 52d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 548f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 558f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 568f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 57d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespace(unsigned Context, 58d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd, 59d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation InlineLoc) { 6004d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 618f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 629735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 63a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 6449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 6523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceDecl(getCurScope()); 667d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 6849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 69193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 708f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *Ident = nullptr; 72f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation> ExtraIdentLoc; 73f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<IdentifierInfo*> ExtraIdent; 74f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation> ExtraNamespaceLoc; 756a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 76176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParsedAttributesWithRange attrs(AttrFactory); 77176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation attrLoc; 78176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (getLangOpts().CPlusPlus11 && isCXX11AttributeSpecifier()) { 79176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (!getLangOpts().CPlusPlus1z) 80176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(Tok.getLocation(), diag::warn_cxx14_compat_attribute) 81176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines << 0 /*namespace*/; 82176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines attrLoc = Tok.getLocation(); 83176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParseCXX11Attributes(attrs); 84176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8604d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 878f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 888f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 89f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu while (Tok.is(tok::coloncolon) && NextToken().is(tok::identifier)) { 90f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraNamespaceLoc.push_back(ConsumeToken()); 91f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdent.push_back(Tok.getIdentifierInfo()); 92f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.push_back(ConsumeToken()); 93f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 948f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // A nested namespace definition cannot have attributes. 97176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (!ExtraNamespaceLoc.empty() && attrLoc.isValid()) 98176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(attrLoc, diag::err_unexpected_nested_namespace_attribute); 99176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 1008f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 1016a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 102176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines attrLoc = Tok.getLocation(); 1037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 1046a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1066a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 1076bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!Ident) { 108651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 109e1bb329744ec98ca921bfc4f0888cff7ab4d1bf4Nico Weber // Skip to end of the definition and eat the ';'. 110e1bb329744ec98ca921bfc4f0888cff7ab4d1bf4Nico Weber SkipUntil(tok::semi); 1116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 112e1bb329744ec98ca921bfc4f0888cff7ab4d1bf4Nico Weber } 113176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (attrLoc.isValid()) 114176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(attrLoc, diag::err_unexpected_namespace_attributes_alias); 115d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl if (InlineLoc.isValid()) 116d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Diag(InlineLoc, diag::err_inline_namespace_alias) 117d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl << FixItHint::CreateRemoval(InlineLoc); 1189735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 1196a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 1201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 121f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 1224a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 1234a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 124651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (Ident) 125651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 126651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines else 127651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected_either) << tok::identifier << tok::l_brace; 1286bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1295144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 13223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 13323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 1344a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Diag(T.getOpenLocation(), diag::err_namespace_nonnamespace_scope); 1358fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace); 1366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 13795f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 13895f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 139176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (ExtraIdent.empty()) { 140176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Normal namespace definition, not a nested-namespace-definition. 141176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } else if (InlineLoc.isValid()) { 142176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(InlineLoc, diag::err_inline_nested_namespace_definition); 143176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } else if (getLangOpts().CPlusPlus1z) { 144176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(ExtraNamespaceLoc[0], 145176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines diag::warn_cxx14_compat_nested_namespace_definition); 146176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } else { 147f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TentativeParsingAction TPA(*this); 1488fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopBeforeMatch); 149f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Token rBraceToken = Tok; 150f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TPA.Revert(); 151f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 152f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!rBraceToken.is(tok::r_brace)) { 153176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(ExtraNamespaceLoc[0], diag::ext_nested_namespace_definition) 154f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 155f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } else { 1569910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer std::string NamespaceFix; 157f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu for (std::vector<IdentifierInfo*>::iterator I = ExtraIdent.begin(), 158f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu E = ExtraIdent.end(); I != E; ++I) { 159f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += " { namespace "; 160f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += (*I)->getName(); 161f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1629910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 163f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::string RBraces; 1649910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer for (unsigned i = 0, e = ExtraIdent.size(); i != e; ++i) 165f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu RBraces += "} "; 1669910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 167176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(ExtraNamespaceLoc[0], diag::ext_nested_namespace_definition) 168f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateReplacement(SourceRange(ExtraNamespaceLoc.front(), 169f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.back()), 170f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix) 171f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateInsertion(rBraceToken.getLocation(), RBraces); 172f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 173f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 174f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 17588e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 1767fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith if (InlineLoc.isValid()) 17780ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith Diag(InlineLoc, getLangOpts().CPlusPlus11 ? 1787fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_inline_namespace : diag::ext_inline_namespace); 17988e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1805144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1815144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1822d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 183d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 184acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, NamespaceLoc, 1854a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor IdentLoc, Ident, T.getOpenLocation(), 1864a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs.getList()); 1872d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 188f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, NamespcDecl, NamespaceLoc, 189f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing namespace"); 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 191f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse the contents of the namespace. This includes parsing recovery on 192f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // any improperly nested namespaces. 193f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(ExtraIdentLoc, ExtraIdent, ExtraNamespaceLoc, 0, 1944a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor InlineLoc, attrs, T); 1951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1965144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1975144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1988ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 1994a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor DeclEnd = T.getCloseLocation(); 2004a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnFinishNamespaceDef(NamespcDecl, DeclEnd); 2012d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 2025144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 2038f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 204c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 205f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu/// ParseInnerNamespace - Parse the contents of a namespace. 206176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hinesvoid Parser::ParseInnerNamespace(std::vector<SourceLocation> &IdentLoc, 207176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines std::vector<IdentifierInfo *> &Ident, 208176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines std::vector<SourceLocation> &NamespaceLoc, 209176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines unsigned int index, SourceLocation &InlineLoc, 210176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParsedAttributes &attrs, 2114a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker &Tracker) { 212f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (index == Ident.size()) { 213651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines while (Tok.isNot(tok::r_brace) && !isEofOrEom()) { 214f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributesWithRange attrs(AttrFactory); 2154e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 216f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseMicrosoftAttributes(attrs); 217f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseExternalDeclaration(attrs); 218f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 2194a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2204a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // The caller is what called check -- we are simply calling 2214a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // the close for it. 2224a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Tracker.consumeClose(); 223f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 224f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu return; 225f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 226f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 227176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Handle a nested namespace definition. 228176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // FIXME: Preserve the source information through to the AST rather than 229176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // desugaring it here. 230f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseScope NamespaceScope(this, Scope::DeclScope); 231f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Decl *NamespcDecl = 232f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Actions.ActOnStartNamespaceDef(getCurScope(), SourceLocation(), 233f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceLoc[index], IdentLoc[index], 2344a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Ident[index], Tracker.getOpenLocation(), 2354a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs.getList()); 236f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 237f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(IdentLoc, Ident, NamespaceLoc, ++index, InlineLoc, 2384a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs, Tracker); 239f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 240f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceScope.Exit(); 241f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 2424a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnFinishNamespaceDef(NamespcDecl, Tracker.getCloseLocation()); 243f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu} 244f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 245f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 246f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 247f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 248d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 2490b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation AliasLoc, 2500b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall IdentifierInfo *Alias, 2510b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation &DeclEnd) { 252f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 2531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 254f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 25723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 2587d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2596bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 26049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 261193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 262f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 263f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 264efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 265f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 266f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 267f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 268f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 269f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 2706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 271f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 272f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 273f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 27403bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 27503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 27897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 279651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name)) 280651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::semi); 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 28303bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 284f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 285f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 286c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 287c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 288c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 289c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 290c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 291c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 292c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 2937d64271b162eaf5cae264ff64465b28af623dc17Chris LattnerDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, unsigned Context) { 294651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(isTokenStringLiteral() && "Not a string literal!"); 295651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExprResult Lang = ParseStringLiteralExpression(false); 296c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 297074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 298651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Decl *LinkageSpec = 299651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Lang.isInvalid() 3006bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ? nullptr 301651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines : Actions.ActOnStartLinkageSpecification( 302c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines getCurScope(), DS.getSourceRange().getBegin(), Lang.get(), 303651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Tok.is(tok::l_brace) ? Tok.getLocation() : SourceLocation()); 304074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 3050b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 3064e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 3077f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 308193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 309074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 310f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // Reset the source range in DS, as the leading "extern" 311f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // does not really belong to the inner declaration ... 312f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeStart(SourceLocation()); 313f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeEnd(SourceLocation()); 314f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // ... but anyway remember that such an "extern" was seen. 31535f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 3167f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 317651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return LinkageSpec ? Actions.ActOnFinishLinkageSpecification( 318651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getCurScope(), LinkageSpec, SourceLocation()) 3196bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : nullptr; 3201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 321f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 32263a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 32363a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 3247f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 325bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3264a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 3274a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 328651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 329651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines unsigned NestedModules = 0; 330651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines while (true) { 331651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines switch (Tok.getKind()) { 332651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case tok::annot_module_begin: 333651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ++NestedModules; 334651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseTopLevelDecl(); 335651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines continue; 336651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 337651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case tok::annot_module_end: 338651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!NestedModules) 339651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 340651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines --NestedModules; 341651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseTopLevelDecl(); 342651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines continue; 343651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 344651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case tok::annot_module_include: 345651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseTopLevelDecl(); 346651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines continue; 347651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 348651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case tok::eof: 349651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 350651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 351651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case tok::r_brace: 352651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!NestedModules) 353651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 354651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Fall through. 355651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines default: 356651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParsedAttributesWithRange attrs(AttrFactory); 357651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines MaybeParseCXX11Attributes(attrs); 358651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines MaybeParseMicrosoftAttributes(attrs); 359651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseExternalDeclaration(attrs); 360651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines continue; 361651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 362651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 363651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 364f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 365c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 3664a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 367651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return LinkageSpec ? Actions.ActOnFinishLinkageSpecification( 368651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getCurScope(), LinkageSpec, T.getCloseLocation()) 3696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : nullptr; 370c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 371e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 372f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 373f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 374d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 37578b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 37678b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 377c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith ParsedAttributesWithRange &attrs, 378c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 379f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 3809735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 3819735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 382f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 383f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 384f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 38549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 38623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 3877d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3886bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 38949f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 390193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 39178b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 39278b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 39378b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 39478b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 39578b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 39678b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 39778b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 39878b810559d89e996e00684335407443936ce34a1John McCall } 39978b810559d89e996e00684335407443936ce34a1John McCall 4009735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 40178b810559d89e996e00684335407443936ce34a1John McCall } 402bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 403162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 40478b810559d89e996e00684335407443936ce34a1John McCall 40578b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 4067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 4072f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 4089735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd, 409a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian AS_none, OwnedType); 410f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 411f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 412f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 413f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 414f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 415f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 416f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 417f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 418f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 419f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 420f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 421f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 422d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 42378b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 42478b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 4257f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 426f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 427f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 428f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 429f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 430f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 43149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 43223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 4337d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 4346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 43549f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 436193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 437f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 438f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 439efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 440f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 4416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *NamespcName = nullptr; 442f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 443f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 444f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 445823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 446f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 447f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 448f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 449f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 4506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 451f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 453823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 454823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 455823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 457823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 458bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 459bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 460bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 4617f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 462bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 464823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 46597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 466651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::semi, 467651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines GNUAttr ? diag::err_expected_semi_after_attribute_list 468651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines : diag::err_expected_semi_after_namespace_name)) 469651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::semi); 470f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 47123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 4727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 473f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 474f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 475162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// ParseUsingDeclaration - Parse C++ using-declaration or alias-declaration. 476162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// Assumes that 'using' was already seen. 477f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 478f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 479f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 4809cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 4819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 482f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 483d03de6aaa312d57dcd6e2bc76bed1e89f5c5019dRichard Smith/// alias-declaration: C++11 [dcl.dcl]p1 484d03de6aaa312d57dcd6e2bc76bed1e89f5c5019dRichard Smith/// 'using' identifier attribute-specifier-seq[opt] = type-id ; 485162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 486d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 48778b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 48878b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 48978b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 490c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith AccessSpecifier AS, 491c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 4929cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 4937ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 4948d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella bool HasTypenameKeyword = false; 4952edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 4965eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith // Check for misplaced attributes before the identifier in an 4975eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith // alias-declaration. 4985eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith ParsedAttributesWithRange MisplacedAttrs(AttrFactory); 4995eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith MaybeParseCXX11Attributes(MisplacedAttrs); 5009cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 5019cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 50212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 503651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::kw_typename, TypenameLoc)) 5048d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella HasTypenameKeyword = true; 5059cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 506176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Tok.is(tok::kw___super)) { 507176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(Tok.getLocation(), diag::err_super_in_using_declaration); 508176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SkipUntil(tok::semi); 509176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return nullptr; 510176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 511176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 5129cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 5136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *LastII = nullptr; 5142db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false, 5156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /*MayBePseudoDtor=*/nullptr, 5166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /*IsTypename=*/false, 5172db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith /*LastII=*/&LastII); 5189cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 5199cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 5209cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 5219cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 5226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 5239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 5241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5252db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith SourceLocation TemplateKWLoc; 5262db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith UnqualifiedId Name; 5272db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith 528193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 52912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 53012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 5312db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // 5322db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // C++11 [class.qual]p2: 5332db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // [...] in a using-declaration that is a member-declaration, if the name 5342db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // specified after the nested-name-specifier is the same as the identifier 5352db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // or the simple-template-id's template-name in the last component of the 5362db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // nested-name-specifier, the name is [...] considered to name the 5372db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith // constructor. 5382db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith if (getLangOpts().CPlusPlus11 && Context == Declarator::MemberContext && 5392db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith Tok.is(tok::identifier) && NextToken().is(tok::semi) && 5402db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith SS.isNotEmpty() && LastII == Tok.getIdentifierInfo() && 5412db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith !SS.getScopeRep()->getAsNamespace() && 5422db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith !SS.getScopeRep()->getAsNamespaceAlias()) { 5432db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith SourceLocation IdLoc = ConsumeToken(); 5442db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith ParsedType Type = Actions.getInheritingConstructorName(SS, IdLoc, *LastII); 5452db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith Name.setConstructorName(Type, IdLoc, IdLoc); 5462db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith } else if (ParseUnqualifiedId(SS, /*EnteringContext=*/ false, 5472db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith /*AllowDestructorName=*/ true, 5482db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith /*AllowConstructorName=*/ true, ParsedType(), 5492db075b1d3b16f0100fe06408dfb4ab7d50700a4Richard Smith TemplateKWLoc, Name)) { 5509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 5516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 5529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 553193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 5545eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith ParsedAttributesWithRange Attrs(AttrFactory); 555df1cce5bcd367ee47f4a7579c3a1cb4618248514Richard Smith MaybeParseGNUAttributes(Attrs); 5566b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith MaybeParseCXX11Attributes(Attrs); 557162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 558162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Maybe this is an alias-declaration. 559162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeResult TypeAlias; 5605eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith bool IsAliasDecl = Tok.is(tok::equal); 561162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (IsAliasDecl) { 5625eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith // If we had any misplaced attributes from earlier, this is where they 5635eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith // should have been written. 5645eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith if (MisplacedAttrs.Range.isValid()) { 5655eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith Diag(MisplacedAttrs.Range.getBegin(), diag::err_attributes_not_allowed) 5665eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith << FixItHint::CreateInsertionFromRange( 5675eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith Tok.getLocation(), 5685eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith CharSourceRange::getTokenRange(MisplacedAttrs.Range)) 5695eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith << FixItHint::CreateRemoval(MisplacedAttrs.Range); 5705eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith Attrs.takeAllFrom(MisplacedAttrs); 5715eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith } 5725eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith 573162e1c1b487352434552147967c3dd296ebee2f7Richard Smith ConsumeToken(); 574162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 57580ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith Diag(Tok.getLocation(), getLangOpts().CPlusPlus11 ? 5767fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_alias_declaration : 5777fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::ext_alias_declaration); 578162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5793e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Type alias templates cannot be specialized. 5803e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith int SpecKind = -1; 581536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::Template && 582536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith Name.getKind() == UnqualifiedId::IK_TemplateId) 5833e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 0; 5843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) 5853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 1; 5863e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 5873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 2; 5883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind != -1) { 5893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SourceRange Range; 5903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind == 0) 5913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = SourceRange(Name.TemplateId->LAngleLoc, 5923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Name.TemplateId->RAngleLoc); 5933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 5943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = TemplateInfo.getSourceRange(); 5953e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(Range.getBegin(), diag::err_alias_declaration_specialization) 5963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << SpecKind << Range; 5973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SkipUntil(tok::semi); 5986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 5993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 6003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 601162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Name must be an identifier. 602162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (Name.getKind() != UnqualifiedId::IK_Identifier) { 603162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Name.StartLocation, diag::err_alias_declaration_not_identifier); 604162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // No removal fixit: can't recover from this. 605162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SkipUntil(tok::semi); 6066bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 6078d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella } else if (HasTypenameKeyword) 608162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(TypenameLoc, diag::err_alias_declaration_not_identifier) 609162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SourceRange(TypenameLoc, 610162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SS.isNotEmpty() ? SS.getEndLoc() : TypenameLoc)); 611162e1c1b487352434552147967c3dd296ebee2f7Richard Smith else if (SS.isNotEmpty()) 612162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(SS.getBeginLoc(), diag::err_alias_declaration_not_identifier) 613162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SS.getRange()); 614162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 6156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TypeAlias = ParseTypeName(nullptr, TemplateInfo.Kind ? 6163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Declarator::AliasTemplateContext : 6176b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith Declarator::AliasDeclContext, AS, OwnedType, 6186b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith &Attrs); 6192edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt } else { 6202edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt // C++11 attributes are not allowed on a using-declaration, but GNU ones 6212edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt // are. 6225eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith ProhibitAttributes(MisplacedAttrs); 6236b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith ProhibitAttributes(Attrs); 6242edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 625162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Parse (optional) attributes (most likely GNU strong-using extension). 6266b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith MaybeParseGNUAttributes(Attrs); 6272edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt } 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 6309cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 631651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::semi, diag::err_expected_after, 632651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines !Attrs.empty() ? "attributes list" 633651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines : IsAliasDecl ? "alias declaration" 634651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines : "using declaration")) 635651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::semi); 6369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 63778b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 638d03de6aaa312d57dcd6e2bc76bed1e89f5c5019dRichard Smith // In C++11, alias-declarations can be templates: 639162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // template <...> using id = type; 6403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind && !IsAliasDecl) { 64178b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 64278b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 64378b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 64478b810559d89e996e00684335407443936ce34a1John McCall 64578b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 64678b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 64778b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 6486bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 64978b810559d89e996e00684335407443936ce34a1John McCall } 65078b810559d89e996e00684335407443936ce34a1John McCall 651480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // "typename" keyword is allowed for identifiers only, 652480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // because it may be a type definition. 6538d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella if (HasTypenameKeyword && Name.getKind() != UnqualifiedId::IK_Identifier) { 654480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor Diag(Name.getSourceRange().getBegin(), diag::err_typename_identifiers_only) 655480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor << FixItHint::CreateRemoval(SourceRange(TypenameLoc)); 6568d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella // Proceed parsing, but reset the HasTypenameKeyword flag. 6578d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella HasTypenameKeyword = false; 658480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor } 659480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor 6603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (IsAliasDecl) { 6613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 6625354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer MultiTemplateParamsArg TemplateParamsArg( 6636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams ? TemplateParams->data() : nullptr, 6643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->size() : 0); 6653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return Actions.ActOnAliasDeclaration(getCurScope(), AS, TemplateParamsArg, 6666b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith UsingLoc, Name, Attrs.getList(), 6676b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith TypeAlias); 6683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 669162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 6708d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella return Actions.ActOnUsingDeclaration(getCurScope(), AS, 6718d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella /* HasUsingKeyword */ true, UsingLoc, 6728d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella SS, Name, Attrs.getList(), 6738d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella HasTypenameKeyword, TypenameLoc); 674f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 675f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 676ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer/// ParseStaticAssertDeclaration - Parse C++0x or C11 static_assert-declaration. 677511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 678c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C++0x] static_assert-declaration: 679c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// static_assert ( constant-expression , string-literal ) ; 680c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// 681ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer/// [C11] static_assert-declaration: 682c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// _Static_assert ( constant-expression , string-literal ) ; 683511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 684d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 685c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne assert((Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) && 686c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne "Not a static_assert declaration"); 687c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 6884e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Tok.is(tok::kw__Static_assert) && !getLangOpts().C11) 689ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer Diag(Tok, diag::ext_c11_static_assert); 690841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith if (Tok.is(tok::kw_static_assert)) 691841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith Diag(Tok, diag::warn_cxx98_compat_static_assert); 692c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 693511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6954a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 6964a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 697651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_paren; 6983686c71ff92e4357a78993a16a27185f16ab6234Richard Smith SkipMalformedDecl(); 6996bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 700511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 703511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 7043686c71ff92e4357a78993a16a27185f16ab6234Richard Smith SkipMalformedDecl(); 7056bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 706511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 708c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ExprResult AssertMessage; 709c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (Tok.is(tok::r_paren)) { 710c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Diag(Tok, getLangOpts().CPlusPlus1z 711176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ? diag::warn_cxx14_compat_static_assert_no_message 712c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines : diag::ext_static_assert_no_message) 713c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines << (getLangOpts().CPlusPlus1z 714c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ? FixItHint() 715c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines : FixItHint::CreateInsertion(Tok.getLocation(), ", \"\"")); 716c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } else { 717c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (ExpectAndConsume(tok::comma)) { 718c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SkipUntil(tok::semi); 719c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return nullptr; 720c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 721ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 722c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (!isTokenStringLiteral()) { 723c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Diag(Tok, diag::err_expected_string_literal) 724c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines << /*Source='static_assert'*/1; 725c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SkipMalformedDecl(); 726c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return nullptr; 727c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 729c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines AssertMessage = ParseStringLiteralExpression(); 730c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (AssertMessage.isInvalid()) { 731c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SkipMalformedDecl(); 732c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return nullptr; 733c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 73499831e4677a7e2e051af636221694d60ba31fcdbRichard Smith } 735511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 7364a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 7399ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 740511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 7419ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 742c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines AssertExpr.get(), 743c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines AssertMessage.get(), 7444a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 745511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 746511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 747a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith/// ParseDecltypeSpecifier - Parse a C++11 decltype specifier. 7486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 7496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 750a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith/// 'decltype' ( 'auto' ) [C++1y] 7516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 75242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid BlaikieSourceLocation Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 75342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie assert((Tok.is(tok::kw_decltype) || Tok.is(tok::annot_decltype)) 75442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie && "Not a decltype specifier"); 75542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 75642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie ExprResult Result; 75742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation StartLoc = Tok.getLocation(); 75842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation EndLoc; 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Tok.is(tok::annot_decltype)) { 76142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Result = getExprAnnotation(Tok); 76242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie EndLoc = Tok.getAnnotationEndLoc(); 76342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie ConsumeToken(); 76442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Result.isInvalid()) { 76542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 76642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return EndLoc; 76742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 76842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } else { 769c7b5543ad32a5c265c02e71b2a6f9856440ed13fRichard Smith if (Tok.getIdentifierInfo()->isStr("decltype")) 770c7b5543ad32a5c265c02e71b2a6f9856440ed13fRichard Smith Diag(Tok, diag::warn_cxx98_compat_decltype); 77139304fad1c8a7b7e64121e9ae544b18e460b682cRichard Smith 77242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie ConsumeToken(); 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie BalancedDelimiterTracker T(*this, tok::l_paren); 77542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (T.expectAndConsume(diag::err_expected_lparen_after, 77642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie "decltype", tok::r_paren)) { 77742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 77842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return T.getOpenLocation() == Tok.getLocation() ? 77942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie StartLoc : T.getOpenLocation(); 78042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 782a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // Check for C++1y 'decltype(auto)'. 783a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith if (Tok.is(tok::kw_auto)) { 784a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // No need to disambiguate here: an expression can't start with 'auto', 785a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // because the typename-specifier in a function-style cast operation can't 786a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // be 'auto'. 787a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith Diag(Tok.getLocation(), 788176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines getLangOpts().CPlusPlus14 789a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith ? diag::warn_cxx11_compat_decltype_auto_type_specifier 790a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith : diag::ext_decltype_auto_type_specifier); 791a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith ConsumeToken(); 792a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith } else { 793a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // Parse the expression 794a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith 795a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // C++11 [dcl.type.simple]p4: 796a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // The operand of the decltype specifier is an unevaluated operand. 797a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated, 7986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines nullptr,/*IsDecltype=*/true); 799176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Result = Actions.CorrectDelayedTyposInExpr(ParseExpression()); 800a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith if (Result.isInvalid()) { 801a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith DS.SetTypeSpecError(); 8028fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev if (SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch)) { 803a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith EndLoc = ConsumeParen(); 8041e584697aa795f915cd46afefd4e1141ee356b8cArgyrios Kyrtzidis } else { 805a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith if (PP.isBacktrackEnabled() && Tok.is(tok::semi)) { 806a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith // Backtrack to get the location of the last token before the semi. 807a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith PP.RevertCachedTokens(2); 808a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith ConsumeToken(); // the semi. 809a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith EndLoc = ConsumeAnyToken(); 810a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith assert(Tok.is(tok::semi)); 811a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith } else { 812a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith EndLoc = Tok.getLocation(); 813a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith } 8141e584697aa795f915cd46afefd4e1141ee356b8cArgyrios Kyrtzidis } 815a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith return EndLoc; 8161e584697aa795f915cd46afefd4e1141ee356b8cArgyrios Kyrtzidis } 817a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith 818c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Result = Actions.ActOnDecltypeExpression(Result.get()); 81942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 82042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 82142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // Match the ')' 82242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie T.consumeClose(); 82342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (T.getCloseLocation().isInvalid()) { 82442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 82542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // FIXME: this should return the location of the last token 82642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // that was consumed (by "consumeClose()") 82742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return T.getCloseLocation(); 82842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 82942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 83076f3f69db1416425070177243e9f390122c553e0Richard Smith if (Result.isInvalid()) { 83176f3f69db1416425070177243e9f390122c553e0Richard Smith DS.SetTypeSpecError(); 83276f3f69db1416425070177243e9f390122c553e0Richard Smith return T.getCloseLocation(); 83376f3f69db1416425070177243e9f390122c553e0Richard Smith } 83476f3f69db1416425070177243e9f390122c553e0Richard Smith 83542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie EndLoc = T.getCloseLocation(); 83642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 837a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith assert(!Result.isInvalid()); 8386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 8396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *PrevSpec = nullptr; 840fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 841651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const PrintingPolicy &Policy = Actions.getASTContext().getPrintingPolicy(); 8426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 843a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith if (Result.get() 844a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith ? DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 845c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines DiagID, Result.get(), Policy) 846a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith : DS.SetTypeSpecType(DeclSpec::TST_decltype_auto, StartLoc, PrevSpec, 847651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DiagID, Policy)) { 848fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 84942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie DS.SetTypeSpecError(); 85042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie } 85142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie return EndLoc; 85242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie} 85342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 85442d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikievoid Parser::AnnotateExistingDecltypeSpecifier(const DeclSpec& DS, 85542d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation StartLoc, 85642d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie SourceLocation EndLoc) { 85742d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // make sure we have a token we can turn into an annotation token 85842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (PP.isBacktrackEnabled()) 85942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie PP.RevertCachedTokens(1); 86042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie else 86142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie PP.EnterToken(Tok); 86242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie 86342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.setKind(tok::annot_decltype); 864a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith setExprAnnotation(Tok, 865a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith DS.getTypeSpecType() == TST_decltype ? DS.getRepAsExpr() : 866a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith DS.getTypeSpecType() == TST_decltype_auto ? ExprResult() : 867a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith ExprError()); 86842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.setAnnotationEndLoc(EndLoc); 86942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.setLocation(StartLoc); 87042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie PP.AnnotateCachedTokens(Tok); 8716fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 8726fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 873db5d44b775c60166074acd184ca9f1981c10c2a7Sean Huntvoid Parser::ParseUnderlyingTypeSpecifier(DeclSpec &DS) { 874db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt assert(Tok.is(tok::kw___underlying_type) && 875db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "Not an underlying type specifier"); 876db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 877db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation StartLoc = ConsumeToken(); 8784a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 8794a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.expectAndConsume(diag::err_expected_lparen_after, 8804a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor "__underlying_type", tok::r_paren)) { 881db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 882db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 883db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 884db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt TypeResult Result = ParseTypeName(); 885db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Result.isInvalid()) { 8868fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren, StopAtSemi); 887db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 888db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 889db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 890db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt // Match the ')' 8914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 8924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 893db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 894db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 8956bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *PrevSpec = nullptr; 896db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt unsigned DiagID; 897ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (DS.SetTypeSpecType(DeclSpec::TST_underlyingType, StartLoc, PrevSpec, 898c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines DiagID, Result.get(), 899651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Actions.getASTContext().getPrintingPolicy())) 900db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt Diag(StartLoc, DiagID) << PrevSpec; 9012d77634e839880704d51656bebd1d2daff661d4eEnea Zaffanella DS.setTypeofParensRange(T.getRange()); 902db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt} 903db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 90409048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// ParseBaseTypeSpecifier - Parse a C++ base-type-specifier which is either a 90509048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class name or decltype-specifier. Note that we only check that the result 90609048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// names a type; semantic analysis will need to verify that the type names a 90709048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class. The result is either a type or null, depending on whether a type 90809048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// name was found. 90942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 910053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// base-type-specifier: [C++11 class.derived] 91109048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// class-or-decltype 912053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// class-or-decltype: [C++11 class.derived] 91309048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// nested-name-specifier[opt] class-name 91409048df0b3f472091b2204e531d6b6019244884bDavid Blaikie/// decltype-specifier 915053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// class-name: [C++ class.name] 91642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 9177f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 9181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 919053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// In C++98, instead of base-type-specifier, we have: 920053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// 921053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// ::[opt] nested-name-specifier[opt] class-name 922176edba5311f6eff0cad2631449885ddf4fbc9eaStephen HinesTypeResult Parser::ParseBaseTypeSpecifier(SourceLocation &BaseLoc, 923176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation &EndLocation) { 9247fe3878a36750515fb9772414ecb2489cf149d19David Blaikie // Ignore attempts to use typename 9257fe3878a36750515fb9772414ecb2489cf149d19David Blaikie if (Tok.is(tok::kw_typename)) { 9267fe3878a36750515fb9772414ecb2489cf149d19David Blaikie Diag(Tok, diag::err_expected_class_name_not_template) 9277fe3878a36750515fb9772414ecb2489cf149d19David Blaikie << FixItHint::CreateRemoval(Tok.getLocation()); 9287fe3878a36750515fb9772414ecb2489cf149d19David Blaikie ConsumeToken(); 9297fe3878a36750515fb9772414ecb2489cf149d19David Blaikie } 9307fe3878a36750515fb9772414ecb2489cf149d19David Blaikie 931152aa4b87633754801598ee282e1a17c3ec49257David Blaikie // Parse optional nested-name-specifier 932152aa4b87633754801598ee282e1a17c3ec49257David Blaikie CXXScopeSpec SS; 933152aa4b87633754801598ee282e1a17c3ec49257David Blaikie ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 934152aa4b87633754801598ee282e1a17c3ec49257David Blaikie 935152aa4b87633754801598ee282e1a17c3ec49257David Blaikie BaseLoc = Tok.getLocation(); 936152aa4b87633754801598ee282e1a17c3ec49257David Blaikie 93722216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie // Parse decltype-specifier 93842d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // tok == kw_decltype is just error recovery, it can only happen when SS 93942d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie // isn't empty 94042d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie if (Tok.is(tok::kw_decltype) || Tok.is(tok::annot_decltype)) { 941152aa4b87633754801598ee282e1a17c3ec49257David Blaikie if (SS.isNotEmpty()) 942152aa4b87633754801598ee282e1a17c3ec49257David Blaikie Diag(SS.getBeginLoc(), diag::err_unexpected_scope_on_base_decltype) 943152aa4b87633754801598ee282e1a17c3ec49257David Blaikie << FixItHint::CreateRemoval(SS.getRange()); 94422216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie // Fake up a Declarator to use with ActOnTypeName. 94522216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie DeclSpec DS(AttrFactory); 94622216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie 947b57775709666e50cd925f9fc589d0fd895fc79a6David Blaikie EndLocation = ParseDecltypeSpecifier(DS); 94822216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie 94922216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 95022216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 95122216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie } 95222216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie 9537f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 9547f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 95525a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 956d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 957d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 958059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 9597f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 9607f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 961b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 9627f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 9637f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 96431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 96531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 96631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 96731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 9687f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 9697f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 9707f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 9717f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 9727f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 97342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 9741ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 97531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 97642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 97742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 97884d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 97984d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 98084d0a19828599e8623223632d59447fd498999cfDouglas Gregor 98184d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 98284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 98384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 98484d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 98584d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 98623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 987059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 98884d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 98984d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 99084d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 991193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 99262f675cf69ca52c163fd9c0564d84356bb7ffca1Serge Pavlov if (!Template) { 99362f675cf69ca52c163fd9c0564d84356bb7ffca1Serge Pavlov TemplateArgList TemplateArgs; 99462f675cf69ca52c163fd9c0564d84356bb7ffca1Serge Pavlov SourceLocation LAngleLoc, RAngleLoc; 99562f675cf69ca52c163fd9c0564d84356bb7ffca1Serge Pavlov ParseTemplateIdAfterTemplateName(TemplateTy(), IdLoc, SS, 99662f675cf69ca52c163fd9c0564d84356bb7ffca1Serge Pavlov true, LAngleLoc, TemplateArgs, RAngleLoc); 99784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 99862f675cf69ca52c163fd9c0564d84356bb7ffca1Serge Pavlov } 99984d0a19828599e8623223632d59447fd498999cfDouglas Gregor 1000193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 100184d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 100284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 1003193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 100484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 1005e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (AnnotateTemplateIdToken(Template, TNK, SS, SourceLocation(), 1006e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateName, true)) 100784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 100884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 1009059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 1010193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 101184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 101284d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 101384d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 101484d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 1015193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 101684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 101784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 101884d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 1019b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 102084d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 102184d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 102284d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 102384d0a19828599e8623223632d59447fd498999cfDouglas Gregor 102442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 10256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *CorrectedII = nullptr; 1026059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 10279e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 1028fad03b75e0297546c5d12ec420b5b79d5b7baa2aAbramo Bagnara /*IsCtorOrDtorName=*/false, 1029c1fb54265614845ee1e09856af6e46961c6209f4Kaelyn Uhrain /*NonTrivialTypeSourceInfo=*/true, 1030c1fb54265614845ee1e09856af6e46961c6209f4Kaelyn Uhrain &CorrectedII); 1031193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 1032124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 103331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 103442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 103542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 103642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 103784d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 10385606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 10395606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 10400b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 10415606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 10425606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 1043059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 10445606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 10456bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *PrevSpec = nullptr; 10465606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 1047651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type, 1048651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Actions.getASTContext().getPrintingPolicy()); 10495606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 10505606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 10515606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 105242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 105342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 1054c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCallvoid Parser::ParseMicrosoftInheritanceClassAttributes(ParsedAttributes &attrs) { 1055c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall while (Tok.is(tok::kw___single_inheritance) || 1056c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall Tok.is(tok::kw___multiple_inheritance) || 1057c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall Tok.is(tok::kw___virtual_inheritance)) { 1058c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall IdentifierInfo *AttrName = Tok.getIdentifierInfo(); 1059c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall SourceLocation AttrNameLoc = ConsumeToken(); 10606bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines attrs.addNew(AttrName, AttrNameLoc, nullptr, AttrNameLoc, nullptr, 0, 1061651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines AttributeList::AS_Keyword); 1062c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall } 1063c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall} 1064c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall 1065c9f351700721150a985f21844fbfec55b04e861dRichard Smith/// Determine whether the following tokens are valid after a type-specifier 1066c9f351700721150a985f21844fbfec55b04e861dRichard Smith/// which could be a standalone declaration. This will conservatively return 1067c9f351700721150a985f21844fbfec55b04e861dRichard Smith/// true if there's any doubt, and is appropriate for insert-';' fixits. 1068139be7007eba3bd491ca50297888be507753a95dRichard Smithbool Parser::isValidAfterTypeSpecifier(bool CouldBeBitfield) { 1069c9f351700721150a985f21844fbfec55b04e861dRichard Smith // This switch enumerates the valid "follow" set for type-specifiers. 1070c9f351700721150a985f21844fbfec55b04e861dRichard Smith switch (Tok.getKind()) { 1071c9f351700721150a985f21844fbfec55b04e861dRichard Smith default: break; 1072c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::semi: // struct foo {...} ; 1073c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::star: // struct foo {...} * P; 1074c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::amp: // struct foo {...} & R = ... 1075ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith case tok::ampamp: // struct foo {...} && R = ... 1076c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::identifier: // struct foo {...} V ; 1077c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::r_paren: //(struct foo {...} ) {4} 1078c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::annot_cxxscope: // struct foo {...} a:: b; 1079c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::annot_typename: // struct foo {...} a ::b; 1080c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::annot_template_id: // struct foo {...} a<int> ::b; 1081c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::l_paren: // struct foo {...} ( x); 1082c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::comma: // __builtin_offsetof(struct foo{...} , 1083ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith case tok::kw_operator: // struct foo operator ++() {...} 1084651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case tok::kw___declspec: // struct foo {...} __declspec(...) 1085176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::l_square: // void f(struct f [ 3]) 1086176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::ellipsis: // void f(struct f ... [Ns]) 1087176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // FIXME: we should emit semantic diagnostic when declaration 1088176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // attribute is in type attribute position. 1089176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw___attribute: // struct foo __attribute__((used)) x; 1090c9f351700721150a985f21844fbfec55b04e861dRichard Smith return true; 1091139be7007eba3bd491ca50297888be507753a95dRichard Smith case tok::colon: 1092139be7007eba3bd491ca50297888be507753a95dRichard Smith return CouldBeBitfield; // enum E { ... } : 2; 1093c9f351700721150a985f21844fbfec55b04e861dRichard Smith // Type qualifiers 1094c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_const: // struct foo {...} const x; 1095c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_volatile: // struct foo {...} volatile x; 1096c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_restrict: // struct foo {...} restrict x; 1097176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw__Atomic: // struct foo {...} _Atomic x; 10980e2c34f92f00628d48968dfea096d36381f494cbStephen Hines case tok::kw___unaligned: // struct foo {...} __unaligned *x; 1099ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith // Function specifiers 1100ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith // Note, no 'explicit'. An explicit function must be either a conversion 1101ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith // operator or a constructor. Either way, it can't have a return type. 1102ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith case tok::kw_inline: // struct foo inline f(); 1103ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith case tok::kw_virtual: // struct foo virtual f(); 1104ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith case tok::kw_friend: // struct foo friend f(); 1105c9f351700721150a985f21844fbfec55b04e861dRichard Smith // Storage-class specifiers 1106c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_static: // struct foo {...} static x; 1107c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_extern: // struct foo {...} extern x; 1108c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_typedef: // struct foo {...} typedef x; 1109c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_register: // struct foo {...} register x; 1110c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_auto: // struct foo {...} auto x; 1111c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_mutable: // struct foo {...} mutable x; 1112ba65f505b7cc2551571b299d05d767e0a892aaaeRichard Smith case tok::kw_thread_local: // struct foo {...} thread_local x; 1113c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::kw_constexpr: // struct foo {...} constexpr x; 1114c9f351700721150a985f21844fbfec55b04e861dRichard Smith // As shown above, type qualifiers and storage class specifiers absolutely 1115c9f351700721150a985f21844fbfec55b04e861dRichard Smith // can occur after class specifiers according to the grammar. However, 1116c9f351700721150a985f21844fbfec55b04e861dRichard Smith // almost no one actually writes code like this. If we see one of these, 1117c9f351700721150a985f21844fbfec55b04e861dRichard Smith // it is much more likely that someone missed a semi colon and the 1118c9f351700721150a985f21844fbfec55b04e861dRichard Smith // type/storage class specifier we're seeing is part of the *next* 1119c9f351700721150a985f21844fbfec55b04e861dRichard Smith // intended declaration, as in: 1120c9f351700721150a985f21844fbfec55b04e861dRichard Smith // 1121c9f351700721150a985f21844fbfec55b04e861dRichard Smith // struct foo { ... } 1122c9f351700721150a985f21844fbfec55b04e861dRichard Smith // typedef int X; 1123c9f351700721150a985f21844fbfec55b04e861dRichard Smith // 1124c9f351700721150a985f21844fbfec55b04e861dRichard Smith // We'd really like to emit a missing semicolon error instead of emitting 1125c9f351700721150a985f21844fbfec55b04e861dRichard Smith // an error on the 'int' saying that you can't have two type specifiers in 1126c9f351700721150a985f21844fbfec55b04e861dRichard Smith // the same declaration of X. Because of this, we look ahead past this 1127c9f351700721150a985f21844fbfec55b04e861dRichard Smith // token to see if it's a type specifier. If so, we know the code is 1128c9f351700721150a985f21844fbfec55b04e861dRichard Smith // otherwise invalid, so we can produce the expected semi error. 1129c9f351700721150a985f21844fbfec55b04e861dRichard Smith if (!isKnownToBeTypeSpecifier(NextToken())) 1130c9f351700721150a985f21844fbfec55b04e861dRichard Smith return true; 1131c9f351700721150a985f21844fbfec55b04e861dRichard Smith break; 1132c9f351700721150a985f21844fbfec55b04e861dRichard Smith case tok::r_brace: // struct bar { struct foo {...} } 1133c9f351700721150a985f21844fbfec55b04e861dRichard Smith // Missing ';' at end of struct is accepted as an extension in C mode. 1134c9f351700721150a985f21844fbfec55b04e861dRichard Smith if (!getLangOpts().CPlusPlus) 1135c9f351700721150a985f21844fbfec55b04e861dRichard Smith return true; 1136c9f351700721150a985f21844fbfec55b04e861dRichard Smith break; 11378338a9d28c4a9d06b19b1c5df51e70182914e2dfRichard Smith case tok::greater: 11388338a9d28c4a9d06b19b1c5df51e70182914e2dfRichard Smith // template<class T = class X> 11398338a9d28c4a9d06b19b1c5df51e70182914e2dfRichard Smith return getLangOpts().CPlusPlus; 1140c9f351700721150a985f21844fbfec55b04e861dRichard Smith } 1141c9f351700721150a985f21844fbfec55b04e861dRichard Smith return false; 1142c9f351700721150a985f21844fbfec55b04e861dRichard Smith} 1143c9f351700721150a985f21844fbfec55b04e861dRichard Smith 1144e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 1145e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 1146e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 114769730c115c2d0fec2f20609d905d920a5a41b29bRichard Smith/// cannot start a definition. 1148e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1149e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 1150e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 1151e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 1152e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 1153e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 1154e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 1155e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 1156e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 1157e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 1159e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 1161e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 1162e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 1163e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 1164e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 1165e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 1166e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1167e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 11691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 11701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 1171e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1172e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 1173e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 1174e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1175e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 1176e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 1177e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 1178e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 1179e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 1180e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 1181e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 1182e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 1183e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 11844c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 11854c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 11864d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 1187efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor AccessSpecifier AS, 11882e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han bool EnteringContext, DeclSpecContext DSC, 1189ad017fa7a4df7389d245d02a49b3c79ed70bedb9Bill Wendling ParsedAttributesWithRange &Attributes) { 119017d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos DeclSpec::TST TagType; 119117d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos if (TagTokKind == tok::kw_struct) 119217d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos TagType = DeclSpec::TST_struct; 119317d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos else if (TagTokKind == tok::kw___interface) 119417d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos TagType = DeclSpec::TST_interface; 119517d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos else if (TagTokKind == tok::kw_class) 119617d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos TagType = DeclSpec::TST_class; 119717d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos else { 11984c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 11994c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 12004c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 1201e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1202374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 1203374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 120423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 12057d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1206374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 1207193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1208926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 1209926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 1210926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 1211926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 1212926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 1213926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 1214926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 121513489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall // 121613489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall // Note that we don't suppress if this turns out to be an elaborated 121713489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall // type specifier. 121813489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall bool shouldDelayDiagsInTag = 121913489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 122013489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization); 122113489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall SuppressAccessChecks diagsFromTag(*this, shouldDelayDiagsInTag); 1222926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 12232edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ParsedAttributesWithRange attrs(AttrFactory); 1224e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 1225df1cce5bcd367ee47f4a7579c3a1cb4618248514Richard Smith MaybeParseGNUAttributes(attrs); 1226e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1227f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 1228b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 12297f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 1230193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1231c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall // Parse inheritance specifiers. 1232c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall if (Tok.is(tok::kw___single_inheritance) || 1233c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall Tok.is(tok::kw___multiple_inheritance) || 1234c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall Tok.is(tok::kw___virtual_inheritance)) 1235df1cce5bcd367ee47f4a7579c3a1cb4618248514Richard Smith ParseMicrosoftInheritanceClassAttributes(attrs); 1236c052dbb2d8fe0e23e90d81236aab0f864f712b45John McCall 1237bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 1238bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 1239bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 12404e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 124207fc1ba7553f2f5bf26984091197311decd9028eMichael Han // Source location used by FIXIT to insert misplaced 124307fc1ba7553f2f5bf26984091197311decd9028eMichael Han // C++11 attributes 124407fc1ba7553f2f5bf26984091197311decd9028eMichael Han SourceLocation AttrFixitLoc = Tok.getLocation(); 124507fc1ba7553f2f5bf26984091197311decd9028eMichael Han 1246176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (TagType == DeclSpec::TST_struct && 12470e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Tok.isNot(tok::identifier) && 12480e2c34f92f00628d48968dfea096d36381f494cbStephen Hines !Tok.isAnnotation() && 1249176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.getIdentifierInfo() && 1250176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines (Tok.is(tok::kw___is_abstract) || 1251176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_arithmetic) || 1252176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_array) || 1253176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_base_of) || 1254176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_class) || 1255176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_complete_type) || 1256176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_compound) || 1257176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_const) || 1258176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_constructible) || 1259176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_convertible) || 1260176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_convertible_to) || 1261176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_destructible) || 1262176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_empty) || 1263176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_enum) || 1264176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_floating_point) || 1265176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_final) || 1266176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_function) || 1267176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_fundamental) || 1268176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_integral) || 1269176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_interface_class) || 1270176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_literal) || 1271176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_lvalue_expr) || 1272176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_lvalue_reference) || 1273176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_member_function_pointer) || 1274176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_member_object_pointer) || 1275176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_member_pointer) || 1276176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_nothrow_assignable) || 1277176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_nothrow_constructible) || 1278176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_nothrow_destructible) || 1279176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_object) || 1280176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_pod) || 1281176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_pointer) || 1282176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_polymorphic) || 1283176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_reference) || 1284176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_rvalue_expr) || 1285176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_rvalue_reference) || 1286176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_same) || 1287176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_scalar) || 1288176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_sealed) || 1289176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_signed) || 1290176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_standard_layout) || 1291176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_trivial) || 1292176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_trivially_assignable) || 1293176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_trivially_constructible) || 1294176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_trivially_copyable) || 1295176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_union) || 1296176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_unsigned) || 1297176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_void) || 1298176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___is_volatile))) 1299176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // GNU libstdc++ 4.2 and libc++ use certain intrinsic names as the 1300176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // name of struct templates, but some are keywords in GCC >= 4.3 1301176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // and Clang. Therefore, when we see the token sequence "struct 1302176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // X", make X into a normal identifier rather than a keyword, to 1303176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // allow libstdc++ 4.2 and libc++ to work properly. 1304176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines TryKeywordIdentFallback(true); 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1306eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 1307aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 13084e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) { 1309176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // "FOO : BAR" is not a potential typo for "FOO::BAR". In this context it 1310176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // is a base-specifier-list. 131108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 1312193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 13130e2c34f92f00628d48968dfea096d36381f494cbStephen Hines CXXScopeSpec Spec; 13140e2c34f92f00628d48968dfea096d36381f494cbStephen Hines bool HasValidSpec = true; 13150e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (ParseOptionalCXXScopeSpecifier(Spec, ParsedType(), EnteringContext)) { 1316207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 13170e2c34f92f00628d48968dfea096d36381f494cbStephen Hines HasValidSpec = false; 13180e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 13190e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (Spec.isSet()) 13200e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) { 1321651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 13220e2c34f92f00628d48968dfea096d36381f494cbStephen Hines HasValidSpec = false; 13230e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 13240e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (HasValidSpec) 13250e2c34f92f00628d48968dfea096d36381f494cbStephen Hines SS = Spec; 132608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 1327cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 13282cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 13292cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 1330cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 13316bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *Name = nullptr; 1332e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 13336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateIdAnnotation *TemplateId = nullptr; 1334e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 1335e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 1336e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 1337193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 13384e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Tok.is(tok::less) && getLangOpts().CPlusPlus) { 1339193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 13402cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 13412cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 13422cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 13432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 1344059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 13452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 1346314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 13472cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 13482cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 13492cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 13502cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 1351193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 13522cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 1353651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 1354651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << TagTokKind << Name << SourceRange(LAngleLoc, RAngleLoc); 135517d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos 1356193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 1357c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 1358c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 1359c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 1360c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 1361c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 13626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams = nullptr; 1363193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 1364c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 1365c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 1366c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 1367c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 1368c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 13696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams = nullptr; 1370193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 13712cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 1372193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 1373c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 1374c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 1375c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 13762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 13772cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 137839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 137925a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateId = takeTemplateIdAnnotation(Tok); 138039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 1381cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 1382059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 1383059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 138439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 138539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 138639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 138739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 138839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 138939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 139039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1391651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // FIXME: Name may be null here. 139239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 13936e91f4bd9a05ca2c58ba11d541d8f9dab5514b76Richard Trieu << TemplateId->Name << static_cast<int>(TemplateId->Kind) << Range; 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 139539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 13968fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::semi, StopBeforeMatch); 139739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 1398cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 1399e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1400e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 14017796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // There are four options here. 14027796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // - If we are in a trailing return type, this is always just a reference, 14037796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // and we must not try to parse a definition. For instance, 14047796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // [] () -> struct S { }; 14057796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // does not define a type. 14067796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // - If we have 'struct foo {...', 'struct foo :...', 14077796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // 'struct foo final :' or 'struct foo final {', then this is a definition. 14087796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // - If we have 'struct foo;', then this is either a forward declaration 14097796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // or a friend declaration, which have to be treated differently. 14107796eb5643244f3134834253ce5ea89107ac21c1Richard Smith // - Otherwise we have something like 'struct foo xyz', a reference. 14112e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // 14122e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // We also detect these erroneous cases to provide better diagnostic for 14132e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // C++11 attributes parsing. 14142e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // - attributes follow class name: 14152e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // struct foo [[]] {}; 14162e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // - attributes appear before or after 'final': 14172e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // struct foo [[]] final [[]] {}; 14182e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // 141969730c115c2d0fec2f20609d905d920a5a41b29bRichard Smith // However, in type-specifier-seq's, things look like declarations but are 142069730c115c2d0fec2f20609d905d920a5a41b29bRichard Smith // just references, e.g. 142169730c115c2d0fec2f20609d905d920a5a41b29bRichard Smith // new struct s; 1422d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 142369730c115c2d0fec2f20609d905d920a5a41b29bRichard Smith // &T::operator struct s; 1424651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // For these, DSC is DSC_type_specifier or DSC_alias_declaration. 14252e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 14262e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // If there are attributes after class name, parse them. 14274e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(Attributes); 14282e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 1429651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const PrintingPolicy &Policy = Actions.getASTContext().getPrintingPolicy(); 1430f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 14317796eb5643244f3134834253ce5ea89107ac21c1Richard Smith if (DSC == DSC_trailing) 14327796eb5643244f3134834253ce5ea89107ac21c1Richard Smith TUK = Sema::TUK_Reference; 14337796eb5643244f3134834253ce5ea89107ac21c1Richard Smith else if (Tok.is(tok::l_brace) || 14347796eb5643244f3134834253ce5ea89107ac21c1Richard Smith (getLangOpts().CPlusPlus && Tok.is(tok::colon)) || 14354e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith (isCXX11FinalKeyword() && 14366f42669b7c0b81b07a15a0483aa5e897ce57cb45David Blaikie (NextToken().is(tok::l_brace) || NextToken().is(tok::colon)))) { 1437d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 1438d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 1439d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 1440bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith Diag(Tok.getLocation(), diag::err_friend_decl_defines_type) 1441d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 1442d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 1443d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 1444d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 14458fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::semi, StopBeforeMatch); 1446f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 1447d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 1448d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 1449f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 1450d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 1451150d853343758281f7b0c44e058ea81da45b79beRichard Smith } else if (isCXX11FinalKeyword() && (NextToken().is(tok::l_square) || 1452150d853343758281f7b0c44e058ea81da45b79beRichard Smith NextToken().is(tok::kw_alignas))) { 14532e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // We can't tell if this is a definition or reference 14542e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // until we skipped the 'final' and C++11 attribute specifiers. 14552e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han TentativeParsingAction PA(*this); 14562e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 14572e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // Skip the 'final' keyword. 14582e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han ConsumeToken(); 14592e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 14602e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // Skip C++11 attribute specifiers. 14612e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han while (true) { 14622e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han if (Tok.is(tok::l_square) && NextToken().is(tok::l_square)) { 14632e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han ConsumeBracket(); 14648fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev if (!SkipUntil(tok::r_square, StopAtSemi)) 14652e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han break; 1466150d853343758281f7b0c44e058ea81da45b79beRichard Smith } else if (Tok.is(tok::kw_alignas) && NextToken().is(tok::l_paren)) { 14672e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han ConsumeToken(); 14682e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han ConsumeParen(); 14698fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev if (!SkipUntil(tok::r_paren, StopAtSemi)) 14702e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han break; 14712e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han } else { 14722e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han break; 14732e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han } 14742e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han } 14752e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 14762e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han if (Tok.is(tok::l_brace) || Tok.is(tok::colon)) 14772e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han TUK = Sema::TUK_Definition; 14782e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han else 14792e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han TUK = Sema::TUK_Reference; 14802e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 14812e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han PA.Revert(); 1482651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } else if (!isTypeSpecifier(DSC) && 1483c9f351700721150a985f21844fbfec55b04e861dRichard Smith (Tok.is(tok::semi) || 1484139be7007eba3bd491ca50297888be507753a95dRichard Smith (Tok.isAtStartOfLine() && !isValidAfterTypeSpecifier(false)))) { 1485f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 148617d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos if (Tok.isNot(tok::semi)) { 1487651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const PrintingPolicy &PPol = Actions.getASTContext().getPrintingPolicy(); 148817d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos // A semicolon was missing after this declaration. Diagnose and recover. 1489651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::semi, diag::err_expected_after, 1490651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DeclSpec::getSpecifierName(TagType, PPol)); 149117d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos PP.EnterToken(Tok); 149217d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos Tok.setKind(tok::semi); 149317d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos } 1494c9f351700721150a985f21844fbfec55b04e861dRichard Smith } else 1495f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1496e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 14972e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // Forbid misplaced attributes. In cases of a reference, we pass attributes 14982e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han // to caller to handle. 149907fc1ba7553f2f5bf26984091197311decd9028eMichael Han if (TUK != Sema::TUK_Reference) { 150007fc1ba7553f2f5bf26984091197311decd9028eMichael Han // If this is not a reference, then the only possible 150107fc1ba7553f2f5bf26984091197311decd9028eMichael Han // valid place for C++11 attributes to appear here 150207fc1ba7553f2f5bf26984091197311decd9028eMichael Han // is between class-key and class-name. If there are 150307fc1ba7553f2f5bf26984091197311decd9028eMichael Han // any attributes after class-name, we try a fixit to move 150407fc1ba7553f2f5bf26984091197311decd9028eMichael Han // them to the right place. 150507fc1ba7553f2f5bf26984091197311decd9028eMichael Han SourceRange AttrRange = Attributes.Range; 150607fc1ba7553f2f5bf26984091197311decd9028eMichael Han if (AttrRange.isValid()) { 150707fc1ba7553f2f5bf26984091197311decd9028eMichael Han Diag(AttrRange.getBegin(), diag::err_attributes_not_allowed) 150807fc1ba7553f2f5bf26984091197311decd9028eMichael Han << AttrRange 150907fc1ba7553f2f5bf26984091197311decd9028eMichael Han << FixItHint::CreateInsertionFromRange(AttrFixitLoc, 151007fc1ba7553f2f5bf26984091197311decd9028eMichael Han CharSourceRange(AttrRange, true)) 151107fc1ba7553f2f5bf26984091197311decd9028eMichael Han << FixItHint::CreateRemoval(AttrRange); 151207fc1ba7553f2f5bf26984091197311decd9028eMichael Han 151307fc1ba7553f2f5bf26984091197311decd9028eMichael Han // Recover by adding misplaced attributes to the attribute list 151407fc1ba7553f2f5bf26984091197311decd9028eMichael Han // of the class so they can be applied on the class later. 151507fc1ba7553f2f5bf26984091197311decd9028eMichael Han attrs.takeAllFrom(Attributes); 151607fc1ba7553f2f5bf26984091197311decd9028eMichael Han } 151707fc1ba7553f2f5bf26984091197311decd9028eMichael Han } 15182e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 151913489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall // If this is an elaborated type specifier, and we delayed 152013489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall // diagnostics before, just merge them into the current pool. 152113489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall if (shouldDelayDiagsInTag) { 152213489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall diagsFromTag.done(); 152313489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall if (TUK == Sema::TUK_Reference) 152413489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall diagsFromTag.redelay(); 152513489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall } 152613489673b84fafaaf49cf5ae4e3bb9a945524dcbJohn McCall 1527207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 1528f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 1529207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 1530207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 1531207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 1532651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << DeclSpec::getSpecifierName(TagType, Policy); 1533207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 1534e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1535e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling // If we are parsing a definition and stop at a base-clause, continue on 1536e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling // until the semicolon. Continuing from the comma will just trick us into 1537e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling // thinking we are seeing a variable declaration. 1538e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling if (TUK == Sema::TUK_Definition && Tok.is(tok::colon)) 1539e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling SkipUntil(tok::semi, StopBeforeMatch); 1540e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling else 1541e78e8fc27140309092fb56d77a72f31fa085f9daBill Wendling SkipUntil(tok::comma, StopAtSemi); 1542e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 1543e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1544e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1545ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 1546d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 1547d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 15484d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 1549402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 1550f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 15514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 15524d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 15535354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), 155439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 15554d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1556f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 15574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 15582edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ProhibitAttributes(attrs); 15592edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 15604d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 156123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 156245f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 15644d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 15664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 15672b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 15691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 15704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 15727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 157374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 157474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 157574256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 157674256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 157774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 1578f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 1579f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 158074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 15812edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ProhibitAttributes(attrs); 158255d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, StartLoc, 1583059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 158455d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TemplateId->TemplateKWLoc, 1585059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 1586059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 1587059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 1588059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 158955d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TemplateId->RAngleLoc); 15904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 15914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 15924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 15934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 15944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 15954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 15964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 15974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 15984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 15994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 16003f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 16014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 16024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 160361dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith // It this is friend declaration however, since it cannot have a 160461dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith // template header, it is most likely that the user meant to 160561dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith // remove the 'template' keyword. 16064985429d6f0dddbe168ec0ed4de029d56294e644Larisse Voufo assert((TUK == Sema::TUK_Definition || TUK == Sema::TUK_Friend) && 160761dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith "Expected a definition here"); 160861dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith 160961dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith if (TUK == Sema::TUK_Friend) { 161061dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith Diag(DS.getFriendSpecLoc(), diag::err_friend_explicit_instantiation); 16116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams = nullptr; 161261dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith } else { 161361dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith SourceLocation LAngleLoc = 161461dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 161561dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith Diag(TemplateId->TemplateNameLoc, 161661dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith diag::err_explicit_instantiation_with_definition) 161761dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith << SourceRange(TemplateInfo.TemplateLoc) 161861dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith << FixItHint::CreateInsertion(LAngleLoc, "<>"); 161961dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith 162061dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith // Create a fake template parameter list that contains only 162161dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith // "template<>", so that we treat this construct as a class 162261dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith // template specialization. 162361dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith FakedParamLists.push_back(Actions.ActOnTemplateParameterList( 16246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 0, SourceLocation(), TemplateInfo.TemplateLoc, LAngleLoc, nullptr, 16256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 0, LAngleLoc)); 162661dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith TemplateParams = &FakedParamLists; 162761dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith } 16284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 16294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 16304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 16316bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TagOrTempResult = Actions.ActOnClassTemplateSpecialization( 16326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines getCurScope(), TagType, TUK, StartLoc, DS.getModulePrivateSpecLoc(), 16336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines *TemplateId, attrs.getList(), 16346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines MultiTemplateParamsArg(TemplateParams ? &(*TemplateParams)[0] 16356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : nullptr, 16366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams ? TemplateParams->size() : 0)); 16374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 16383f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1639f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 16403f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 16413f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 16423f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 16433f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 16443f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 16452edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ProhibitAttributes(attrs); 16462edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 16473f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 164823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 164945f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 16501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 16527f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 16539a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 16549a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 16552edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ProhibitAttributes(attrs); 16562edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 16579a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 16589a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 16599a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 16607f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 16615354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer MultiTemplateParamsArg( 16626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams? &(*TemplateParams)[0] 16636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : nullptr, 16649a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 16653f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 16662edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt if (TUK != Sema::TUK_Declaration && TUK != Sema::TUK_Definition) 16672edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ProhibitAttributes(attrs); 166861dfea9d34aaf7ea1ba6c28d8dd44a1d7cf40f78Richard Smith 16697c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo if (TUK == Sema::TUK_Definition && 16707c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 16717c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo // If the declarator-id is not a template-id, issue a diagnostic and 16727c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo // recover by ignoring the 'template' keyword. 16737c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo Diag(Tok, diag::err_template_defn_explicit_instantiation) 16747c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo << 1 << FixItHint::CreateRemoval(TemplateInfo.TemplateLoc); 16756bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateParams = nullptr; 16767c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo } 16772edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 1678c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 1679c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1680a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 1681a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 1682a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 1683a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 1684a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 1685a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 1686a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 1687a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 16883f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 16899a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 16907f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 1691e761230ae3751b525cadd8066c74ec278ee4ef57Douglas Gregor DS.getModulePrivateSpecLoc(), 1692bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith TParams, Owned, IsDependent, 1693bdad7a2e21686296b78dac6190b78d11c996f6d7Richard Smith SourceLocation(), false, 1694651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines clang::TypeResult(), 1695651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DSC == DSC_type_specifier); 1696c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1697c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 1698c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 16999a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 17009a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 170123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1702193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 17039a34edb710917798aa30263374f624f13b594605John McCall } 17043f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1705e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1706e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1707f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1708bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 17094e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie (getLangOpts().CPlusPlus && Tok.is(tok::colon)) || 17104e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith isCXX11FinalKeyword()); 17114e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 171207fc1ba7553f2f5bf26984091197311decd9028eMichael Han ParseCXXMemberSpecification(StartLoc, AttrFixitLoc, attrs, TagType, 171307fc1ba7553f2f5bf26984091197311decd9028eMichael Han TagOrTempResult.get()); 171407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1715212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1716e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1717e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 17186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *PrevSpec = nullptr; 1719b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1720b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1721c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 17220daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(DeclSpec::TST_typename, StartLoc, 17230daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1724651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines PrevSpec, DiagID, TypeResult.get(), Policy); 1725c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 17260daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(TagType, StartLoc, 17270daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1728651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines PrevSpec, DiagID, TagOrTempResult.get(), Owned, 1729651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Policy); 1730c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1731ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 173266e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 173366e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 17341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1735b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1736fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1737193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 17384ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 17394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 17404ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 17414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 17424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 17434ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 1744c9f351700721150a985f21844fbfec55b04e861dRichard Smith // Also enforce C++ [temp]p3: 1745c9f351700721150a985f21844fbfec55b04e861dRichard Smith // In a template-declaration which defines a class, no declarator 1746c9f351700721150a985f21844fbfec55b04e861dRichard Smith // is permitted. 1747176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // 1748176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // After a type-specifier, we don't expect a semicolon. This only happens in 1749176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // C, since definitions are not permitted in this context in C++. 175017d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos if (TUK == Sema::TUK_Definition && 1751176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines (getLangOpts().CPlusPlus || !isTypeSpecifier(DSC)) && 175217d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos (TemplateInfo.Kind || !isValidAfterTypeSpecifier(false))) { 17537d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis if (Tok.isNot(tok::semi)) { 1754651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const PrintingPolicy &PPol = Actions.getASTContext().getPrintingPolicy(); 1755651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::semi, diag::err_expected_after, 1756651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DeclSpec::getSpecifierName(TagType, PPol)); 17577d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis // Push this token back into the preprocessor and change our current token 17587d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis // to ';' so that the rest of the code recovers as though there were an 17597d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis // ';' after the definition. 17607d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis PP.EnterToken(Tok); 17617d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis Tok.setKind(tok::semi); 17627d033b209e87d1964ee2f8de668934bb1a77bde0Argyrios Kyrtzidis } 17634ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1764e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1765e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 17661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1767e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1768e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1769e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1770e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1771e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1772e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1773d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1774e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1775e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1776e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1777f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 17785f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1779f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1780e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1781e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1782f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 17835ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1784e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1785e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 17868fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::comma, tok::l_brace, StopAtSemi | StopBeforeMatch); 1787f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1788f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 17895ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1790e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1791e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1792e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1793e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1794651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!TryConsumeToken(tok::comma)) 1795651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 1796e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1797f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1798f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1799beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1800e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1801e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1802e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1803e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1804e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1805e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1806e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1807e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1808053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// attribute-specifier-seq[opt] base-type-specifier 1809053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// attribute-specifier-seq[opt] 'virtual' access-specifier[opt] 1810053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// base-type-specifier 1811053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// attribute-specifier-seq[opt] access-specifier 'virtual'[opt] 1812053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith/// base-type-specifier 1813176edba5311f6eff0cad2631449885ddf4fbc9eaStephen HinesBaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1814e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1815e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1816e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1817053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith ParsedAttributesWithRange Attributes(AttrFactory); 1818053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith MaybeParseCXX11Attributes(Attributes); 1819053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith 1820e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1821651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::kw_virtual)) 1822e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1823e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1824053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith CheckMisplacedCXX11Attribute(Attributes, StartLoc); 1825053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith 1826e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1827e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 182892f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1829e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 18301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1831053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith CheckMisplacedCXX11Attribute(Attributes, StartLoc); 1832053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith 1833e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1834e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1835e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1836e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1837e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1838e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 18391ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1840849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1842e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1843e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1844e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1845e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1846053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith CheckMisplacedCXX11Attribute(Attributes, StartLoc); 1847053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith 184842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 18497f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 185022216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie SourceLocation BaseLoc; 185122216eb4fb0936d2488fc03abd285d135c36ff01David Blaikie TypeResult BaseType = ParseBaseTypeSpecifier(BaseLoc, EndLocation); 185231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 185342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 18541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1855f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1856f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1857f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1858f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1859651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::ellipsis, EllipsisLoc); 1860651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 18627f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1864e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1865e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1866053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith return Actions.ActOnBaseSpecifier(ClassDecl, Range, Attributes, IsVirtual, 1867053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith Access, BaseType.get(), BaseLoc, 1868053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith EllipsisLoc); 1869e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1870e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1871e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1872e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1873e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1874e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1875e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1876e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1877e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 18781eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1879e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1880e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1881e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1882e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1883e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1884e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1885e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 18864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 188774e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor/// \brief If the given declarator has any parts for which parsing has to be 1888176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines/// delayed, e.g., default arguments or an exception-specification, create a 1889176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines/// late-parsed method declaration record to handle the parsing at the end of 1890176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines/// the class definition. 189174e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregorvoid Parser::HandleMemberFunctionDeclDelays(Declarator& DeclaratorInfo, 189274e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor Decl *ThisDecl) { 18931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1894075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 18950e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // If there was a late-parsed exception-specification, we'll need a 18960e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // late parse 18970e2c34f92f00628d48968dfea096d36381f494cbStephen Hines bool NeedLateParse = FTI.getExceptionSpecType() == EST_Unparsed; 18980e2c34f92f00628d48968dfea096d36381f494cbStephen Hines 18990e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (!NeedLateParse) { 19000e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // Look ahead to see if there are any default args 19010e2c34f92f00628d48968dfea096d36381f494cbStephen Hines for (unsigned ParamIdx = 0; ParamIdx < FTI.NumParams; ++ParamIdx) { 19020e2c34f92f00628d48968dfea096d36381f494cbStephen Hines auto Param = cast<ParmVarDecl>(FTI.Params[ParamIdx].Param); 19030e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (Param->hasUnparsedDefaultArg()) { 19040e2c34f92f00628d48968dfea096d36381f494cbStephen Hines NeedLateParse = true; 19050e2c34f92f00628d48968dfea096d36381f494cbStephen Hines break; 19060e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 19070e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 19080e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 190974e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor 19100e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (NeedLateParse) { 1911176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Push this method onto the stack of late-parsed method 1912176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // declarations. 19130e2c34f92f00628d48968dfea096d36381f494cbStephen Hines auto LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1914176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 1915176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1916176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 19170e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // Stash the exception-specification tokens in the late-pased method. 1918176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines LateMethod->ExceptionSpecTokens = FTI.ExceptionSpecTokens; 1919176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines FTI.ExceptionSpecTokens = 0; 1920176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 19210e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // Push tokens for each parameter. Those that do not have 19220e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // defaults will be NULL. 1923176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines LateMethod->DefaultArgs.reserve(FTI.NumParams); 19240e2c34f92f00628d48968dfea096d36381f494cbStephen Hines for (unsigned ParamIdx = 0; ParamIdx < FTI.NumParams; ++ParamIdx) 1925651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines LateMethod->DefaultArgs.push_back(LateParsedDefaultArgument( 19260e2c34f92f00628d48968dfea096d36381f494cbStephen Hines FTI.Params[ParamIdx].Param, FTI.Params[ParamIdx].DefaultArgTokens)); 1927d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1928d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1929d33133cdc1af466f9c276249b2621be03867888bEli Friedman 19304e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith/// isCXX11VirtSpecifier - Determine whether the given token is a C++11 19311f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 19321f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 19331f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 19341f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 19351f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 19364e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard SmithVirtSpecifiers::Specifier Parser::isCXX11VirtSpecifier(const Token &Tok) const { 1937651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!getLangOpts().CPlusPlus || Tok.isNot(tok::identifier)) 1938cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1939cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1940651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines IdentifierInfo *II = Tok.getIdentifierInfo(); 19417eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1942651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Initialize the contextual keywords. 1943651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!Ident_final) { 1944651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Ident_final = &PP.getIdentifierTable().get("final"); 1945651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (getLangOpts().MicrosoftExt) 1946651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Ident_sealed = &PP.getIdentifierTable().get("sealed"); 1947651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Ident_override = &PP.getIdentifierTable().get("override"); 1948651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 19491f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1950651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (II == Ident_override) 1951651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return VirtSpecifiers::VS_Override; 19527121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer 1953651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (II == Ident_sealed) 1954651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return VirtSpecifiers::VS_Sealed; 1955651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 1956651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (II == Ident_final) 1957651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return VirtSpecifiers::VS_Final; 1958b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1959b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 19601f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 19611f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 19624e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith/// ParseOptionalCXX11VirtSpecifierSeq - Parse a virt-specifier-seq. 19631f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 19641f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 19651f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 19661f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 19674e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smithvoid Parser::ParseOptionalCXX11VirtSpecifierSeq(VirtSpecifiers &VS, 1968176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines bool IsInterface, 1969176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation FriendLoc) { 1970b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 19714e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith VirtSpecifiers::Specifier Specifier = isCXX11VirtSpecifier(); 1972b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1973b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1974b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1975176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (FriendLoc.isValid()) { 1976176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(Tok.getLocation(), diag::err_friend_decl_spec) 1977176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines << VirtSpecifiers::getSpecifierName(Specifier) 1978176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines << FixItHint::CreateRemoval(Tok.getLocation()) 1979176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines << SourceRange(FriendLoc, FriendLoc); 1980176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ConsumeToken(); 1981176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines continue; 1982176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 1983176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 1984b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1985b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 19866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *PrevSpec = nullptr; 198746127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1988b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1989b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1990b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1991b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 19927121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer if (IsInterface && (Specifier == VirtSpecifiers::VS_Final || 19937121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer Specifier == VirtSpecifiers::VS_Sealed)) { 1994e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall Diag(Tok.getLocation(), diag::err_override_control_interface) 1995e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall << VirtSpecifiers::getSpecifierName(Specifier); 19967121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer } else if (Specifier == VirtSpecifiers::VS_Sealed) { 19977121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer Diag(Tok.getLocation(), diag::ext_ms_sealed_keyword); 1998e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall } else { 19997121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer Diag(Tok.getLocation(), 20007121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer getLangOpts().CPlusPlus11 20017121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer ? diag::warn_cxx98_compat_override_control_keyword 20027121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer : diag::ext_override_control_keyword) 20037121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer << VirtSpecifiers::getSpecifierName(Specifier); 2004e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall } 2005b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 2006b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 20071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 20081f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 20094e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith/// isCXX11FinalKeyword - Determine whether the next token is a C++11 2010651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// 'final' or Microsoft 'sealed' contextual keyword. 20114e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smithbool Parser::isCXX11FinalKeyword() const { 2012651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines VirtSpecifiers::Specifier Specifier = isCXX11VirtSpecifier(); 2013651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return Specifier == VirtSpecifiers::VS_Final || 2014651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Specifier == VirtSpecifiers::VS_Sealed; 2015651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 2016cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 2017651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// \brief Parse a C++ member-declarator up to, but not including, the optional 2018651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// brace-or-equal-initializer or pure-specifier. 20190e2c34f92f00628d48968dfea096d36381f494cbStephen Hinesbool Parser::ParseCXXMemberDeclaratorBeforeInitializer( 2020651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Declarator &DeclaratorInfo, VirtSpecifiers &VS, ExprResult &BitfieldSize, 2021651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines LateParsedAttrList &LateParsedAttrs) { 2022651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // member-declarator: 2023651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // declarator pure-specifier[opt] 2024651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // declarator brace-or-equal-initializer[opt] 2025651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // identifier[opt] ':' constant-expression 2026176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Tok.isNot(tok::colon)) 2027651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseDeclarator(DeclaratorInfo); 2028176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines else 2029176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines DeclaratorInfo.SetIdentifier(nullptr, Tok.getLocation()); 2030cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 2031651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!DeclaratorInfo.isFunctionDeclarator() && TryConsumeToken(tok::colon)) { 2032176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines assert(DeclaratorInfo.isPastIdentifier() && 2033176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines "don't know where identifier would go yet?"); 2034651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines BitfieldSize = ParseConstantExpression(); 2035651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (BitfieldSize.isInvalid()) 2036651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch); 2037651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } else 2038176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParseOptionalCXX11VirtSpecifierSeq( 2039176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines VS, getCurrentClass().IsInterface, 2040176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines DeclaratorInfo.getDeclSpec().getFriendSpecLoc()); 2041651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2042651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // If a simple-asm-expr is present, parse it. 2043651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (Tok.is(tok::kw_asm)) { 2044651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SourceLocation Loc; 2045651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 2046651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (AsmLabel.isInvalid()) 2047651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch); 2048651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2049c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines DeclaratorInfo.setAsmLabel(AsmLabel.get()); 2050651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DeclaratorInfo.SetRangeEnd(Loc); 2051cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 20527121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer 2053651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // If attributes exist after the declarator, but before an '{', parse them. 2054651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 2055651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2056651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // For compatibility with code written to older Clang, also accept a 2057651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // virt-specifier *after* the GNU attributes. 2058176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (BitfieldSize.isUnset() && VS.isUnset()) { 2059176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParseOptionalCXX11VirtSpecifierSeq( 2060176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines VS, getCurrentClass().IsInterface, 2061176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines DeclaratorInfo.getDeclSpec().getFriendSpecLoc()); 2062176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (!VS.isUnset()) { 2063176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // If we saw any GNU-style attributes that are known to GCC followed by a 2064176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // virt-specifier, issue a GCC-compat warning. 2065176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines const AttributeList *Attr = DeclaratorInfo.getAttributes(); 2066176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines while (Attr) { 2067176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Attr->isKnownToGCC() && !Attr->isCXX11Attribute()) 2068176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(Attr->getLoc(), diag::warn_gcc_attribute_location); 2069176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Attr = Attr->getNext(); 2070176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2071176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2072176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 20730e2c34f92f00628d48968dfea096d36381f494cbStephen Hines 20740e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // If this has neither a name nor a bit width, something has gone seriously 20750e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // wrong. Skip until the semi-colon or }. 20760e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (!DeclaratorInfo.hasName() && BitfieldSize.isUnset()) { 20770e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // If so, skip until the semi-colon or a }. 20780e2c34f92f00628d48968dfea096d36381f494cbStephen Hines SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); 20790e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return true; 20800e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 20810e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return false; 2082cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 2083cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 20844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 20854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 20874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 20884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 20894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 20904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 2091511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 20925aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 2093bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 20944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 20964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 20974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 20984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 21001f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 21014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 21027a614d8380297fcd2bc23986241905d97222948cRichard Smith/// [C++11] declarator brace-or-equal-initializer[opt] 21034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 21044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 21051f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 21061f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 21071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 21081f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 21091f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 21101f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 21111f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 21127121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer/// [MS] sealed 21131f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 2114e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 21154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 21164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 21174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 21184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 21194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 212037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 21215f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen AttributeList *AccessAttrs, 2122c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 2123c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 21248a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (Tok.is(tok::at)) { 21254e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC1 && NextToken().isObjCAtKeyword(tok::objc_defs)) 21268a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_defs_cxx); 21278a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor else 21288a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_in_class); 2129b310439121c875937d78cc49cc969bc1197fc025Richard Smith 21308a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor ConsumeToken(); 21318fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopAtSemi); 21328a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor return; 21338a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor } 2134b310439121c875937d78cc49cc969bc1197fc025Richard Smith 2135176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Turn on colon protection early, while parsing declspec, although there is 2136176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // nothing to protect there. It prevents from false errors if error recovery 2137176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // incorrectly determines where the declspec ends, as in the example: 2138176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // struct A { enum class B { C }; }; 2139176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // const int C = 4; 2140176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // struct D { A::B : C; }; 2141176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ColonProtectionRAIIObject X(*this); 2142176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 214360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 214483a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith bool MalformedTypeSpec = false; 214560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 2146176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 2147176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.is(tok::kw___super))) { 214883a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith if (TryAnnotateCXXScopeToken()) 214983a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith MalformedTypeSpec = true; 215083a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith 215183a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith bool isAccessDecl; 215283a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith if (Tok.isNot(tok::annot_cxxscope)) 215383a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith isAccessDecl = false; 215483a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith else if (NextToken().is(tok::identifier)) 215560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 215660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 215760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 215860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 215960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 216060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 216160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 2162efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), 2163efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor /*EnteringContext=*/false); 216460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 2165176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (SS.isInvalid()) { 2166176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SkipUntil(tok::semi); 2167176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return; 2168176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2169176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 217060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 2171e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc; 217260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 2173e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), 2174e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateKWLoc, Name)) { 217560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 217660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 217760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 217860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 217960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 2180651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::semi, diag::err_expected_after, 2181651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines "access declaration")) { 2182651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::semi); 218360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 2184651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 218560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 218623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 21878d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella /* HasUsingKeyword */ false, 21888d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella SourceLocation(), 218960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 21906bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /* AttrList */ nullptr, 21918d030c7a6f36438f6c7dd977f8be0de0cc781ad5Enea Zaffanella /* HasTypenameKeyword */ false, 219260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 219360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 219460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 219560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 219660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 2197176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // static_assert-declaration. A templated static_assert declaration is 2198176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // diagnosed in Parser::ParseSingleDeclarationAfterTemplate. 2199176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (!TemplateInfo.Kind && 2200176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines (Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert))) { 220197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 220297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 2203682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 2204682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 22051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2206682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 22071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 220837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 220997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 22101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 22115f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen AS, AccessAttrs); 2212682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 2213682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 22145aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 2215bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 2216bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 2217bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 2218bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 2219bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 22205f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen return ParseCXXClassMemberDeclaration(AS, AccessAttrs, 22215f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen TemplateInfo, TemplateDiags); 2222bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 22239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 22240b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 222552b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han ParsedAttributesWithRange FnAttrs(AttrFactory); 22264e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith // Optional C++11 attribute-specifier 22274e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 222852b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // We need to keep these attributes for future diagnostic 222952b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // before they are taken over by declaration specifier. 223052b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han FnAttrs.addAll(attrs.getList()); 223152b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han FnAttrs.Range = attrs.Range; 223252b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han 22337f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 2234bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 22359cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 22367f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22389cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 22399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 22409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 22419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 22429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 22438fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::semi, StopBeforeMatch); 2244ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 22459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 22463e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 224778b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 224878b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 22499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 22509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 22519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 22529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 22532287c5e2352fc51cd74e8a9a7725cbf87e41c007DeLesley Hutchins // Hold late-parsed attributes so we can attach a Decl to them later. 22542287c5e2352fc51cd74e8a9a7725cbf87e41c007DeLesley Hutchins LateParsedAttrList CommonLateParsedAttrs; 22552287c5e2352fc51cd74e8a9a7725cbf87e41c007DeLesley Hutchins 22564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 22574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 2258c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 22597f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 226083a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith if (MalformedTypeSpec) 226183a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith DS.SetTypeSpecError(); 2262651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2263176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class, 2264176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines &CommonLateParsedAttrs); 2265176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 2266176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Turn off colon protection that was set for declspec. 2267176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines X.restore(); 22684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2269f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling // If we had a free-standing type definition with a missing semicolon, we 2270f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling // may get this far before the problem becomes obvious. 2271f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling if (DS.hasTagDefinition() && 2272f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate && 2273f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling DiagnoseMissingSemiAfterTagDefinition(DS, AS, DSC_class, 2274f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling &CommonLateParsedAttrs)) 2275f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling return; 2276f0cc19f43d5e05dbd22d00faca8c093b7005be3fBill Wendling 22775354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer MultiTemplateParamsArg TemplateParams( 22786bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() 22796bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : nullptr, 2280dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 2281dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 2282651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::semi)) { 228352b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han if (DS.isFriendSpecified()) 228452b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han ProhibitAttributes(FnAttrs); 228552b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han 2286d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 22870f4be74ff0273e505d383f89174ef539828424edChandler Carruth Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS, TemplateParams); 2288c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 228967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 22904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 229107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 229254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 22934867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 22944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2295eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Hold late-parsed attributes so we can attach a Decl to them later. 2296eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrList LateParsedAttrs; 2297eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 2298a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor SourceLocation EqualLoc; 2299a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor bool HasInitializer = false; 2300a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor ExprResult Init; 2301a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 2302651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SmallVector<Decl *, 8> DeclsInGroup; 2303651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExprResult BitfieldSize; 2304651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines bool ExpectSemi = true; 23054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2306651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Parse the first declarator. 23070e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (ParseCXXMemberDeclaratorBeforeInitializer( 23080e2c34f92f00628d48968dfea096d36381f494cbStephen Hines DeclaratorInfo, VS, BitfieldSize, LateParsedAttrs)) { 2309651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::semi); 2310651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return; 2311651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 23121b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 2313651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Check for a member function definition. 2314651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (BitfieldSize.isUnset()) { 2315651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // MSVC permits pure specifier on inline functions defined at class scope. 23166a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // Hence check for =0 before checking for function definition. 23174e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().MicrosoftExt && Tok.is(tok::equal) && 2318651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines DeclaratorInfo.isFunctionDeclarator() && 23196a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet NextToken().is(tok::numeric_constant)) { 2320a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor EqualLoc = ConsumeToken(); 23216a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet Init = ParseInitializer(); 23226a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (Init.isInvalid()) 23238fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch); 2324a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor else 2325a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor HasInitializer = true; 23266a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet } 23276a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet 232845fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor FunctionDefinitionKind DefinitionKind = FDK_Declaration; 23293a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 23307a614d8380297fcd2bc23986241905d97222948cRichard Smith // 23317a614d8380297fcd2bc23986241905d97222948cRichard Smith // In C++11, a non-function declarator followed by an open brace is a 23327a614d8380297fcd2bc23986241905d97222948cRichard Smith // braced-init-list for an in-class member initialization, not an 23337a614d8380297fcd2bc23986241905d97222948cRichard Smith // erroneous function definition. 233480ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith if (Tok.is(tok::l_brace) && !getLangOpts().CPlusPlus11) { 233545fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Definition; 2336e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (DeclaratorInfo.isFunctionDeclarator()) { 23377a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) || Tok.is(tok::colon) || Tok.is(tok::kw_try)) { 233845fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Definition; 2339e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (Tok.is(tok::equal)) { 2340e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 234145fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor if (KW.is(tok::kw_default)) 234245fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Defaulted; 234345fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor else if (KW.is(tok::kw_delete)) 234445fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor DefinitionKind = FDK_Deleted; 2345e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 2346e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 2347e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 234852b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // C++11 [dcl.attr.grammar] p4: If an attribute-specifier-seq appertains 234952b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // to a friend declaration, that declaration shall be a definition. 235052b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han if (DeclaratorInfo.isFunctionDeclarator() && 235152b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han DefinitionKind != FDK_Definition && DS.isFriendSpecified()) { 235252b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // Diagnose attributes that appear before decl specifier: 235352b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // [[]] friend int foo(); 235452b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han ProhibitAttributes(FnAttrs); 235552b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han } 235652b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han 23570e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (DefinitionKind != FDK_Declaration) { 23583a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 235965ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu Diag(DeclaratorInfo.getIdentifierLoc(), diag::err_func_def_no_params); 23603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 23618fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace); 236252b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han 23639ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 2364651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::semi); 2365651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2366682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 23673a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 23683a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 23693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 237065ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu Diag(DeclaratorInfo.getIdentifierLoc(), 237165ba94814f667e6ea1fcbf0896ad496bb7010335Richard Trieu diag::err_function_declared_typedef); 23729ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 23736f9a445760992a6fbff2c0b08becf35ae9eafa71Richard Smith // Recover by treating the 'typedef' as spurious. 23746f9a445760992a6fbff2c0b08becf35ae9eafa71Richard Smith DS.ClearStorageClassSpecs(); 23753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 23764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2377eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski Decl *FunDecl = 23785f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParseCXXInlineMethodDef(AS, AccessAttrs, DeclaratorInfo, TemplateInfo, 237945fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor VS, DefinitionKind, Init); 2380eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 2381fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer if (FunDecl) { 2382fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer for (unsigned i = 0, ni = CommonLateParsedAttrs.size(); i < ni; ++i) { 2383fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer CommonLateParsedAttrs[i]->addDecl(FunDecl); 2384fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer } 2385fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 2386fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer LateParsedAttrs[i]->addDecl(FunDecl); 2387fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer } 2388eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 2389eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 2390e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 2391e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt // Consume the ';' - it's optional unless we have a delete or default 23924b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu if (Tok.is(tok::semi)) 2393eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith ConsumeExtraSemi(AfterMemberFunctionDefinition); 23949ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 2395682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 23963a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 23974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 23984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 23994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 24004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 24014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 24024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 24034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 2404ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith InClassInitStyle HasInClassInit = ICIS_NoInit; 2405a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor if ((Tok.is(tok::equal) || Tok.is(tok::l_brace)) && !HasInitializer) { 24067a614d8380297fcd2bc23986241905d97222948cRichard Smith if (BitfieldSize.get()) { 24077a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_bitfield_member_init); 24088fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch); 24097a614d8380297fcd2bc23986241905d97222948cRichard Smith } else { 2410147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor HasInitializer = true; 2411ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith if (!DeclaratorInfo.isDeclarationOfFunction() && 2412ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 2413ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith != DeclSpec::SCS_typedef) 2414ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith HasInClassInit = Tok.is(tok::equal) ? ICIS_CopyInit : ICIS_ListInit; 24157a614d8380297fcd2bc23986241905d97222948cRichard Smith } 24167a614d8380297fcd2bc23986241905d97222948cRichard Smith } 24177a614d8380297fcd2bc23986241905d97222948cRichard Smith 241807952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 2419682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 242007952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 242167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 24226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines NamedDecl *ThisDecl = nullptr; 242367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 2424651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // C++11 [dcl.attr.grammar] p4: If an attribute-specifier-seq appertains 242552b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // to a friend declaration, that declaration shall be a definition. 242652b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han // 2427651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Diagnose attributes that appear in a friend member function declarator: 2428651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // friend int foo [[]] (); 242952b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han SmallVector<SourceRange, 4> Ranges; 243052b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han DeclaratorInfo.getCXX11AttributeRanges(Ranges); 2431651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines for (SmallVectorImpl<SourceRange>::iterator I = Ranges.begin(), 2432651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines E = Ranges.end(); I != E; ++I) 2433651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag((*I).getBegin(), diag::err_attributes_not_allowed) << *I; 243452b501cd723d56efe3ad2ab708c2b75530fe6caaMichael Han 243523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 24363fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer TemplateParams); 243737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 243823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 243967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 24403fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer TemplateParams, 2441c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines BitfieldSize.get(), 2442ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith VS, HasInClassInit); 2443ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 2444ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo if (VarTemplateDecl *VT = 24456bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ThisDecl ? dyn_cast<VarTemplateDecl>(ThisDecl) : nullptr) 2446ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo // Re-direct this decl to refer to the templated decl so that we can 2447ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo // initialize it. 2448ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo ThisDecl = VT->getTemplatedDecl(); 2449ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 2450fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer if (ThisDecl && AccessAttrs) 24514a97b8e75f5dccf5a9537cf7358297437f55326dRichard Smith Actions.ProcessDeclAttributeList(getCurScope(), ThisDecl, AccessAttrs); 245237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 2453eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 2454147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // Handle the initializer. 24551d87fbaeea4a9fbbd73b3a53641f59f1673098e5David Blaikie if (HasInClassInit != ICIS_NoInit && 24561d87fbaeea4a9fbbd73b3a53641f59f1673098e5David Blaikie DeclaratorInfo.getDeclSpec().getStorageClassSpec() != 24571d87fbaeea4a9fbbd73b3a53641f59f1673098e5David Blaikie DeclSpec::SCS_static) { 2458147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // The initializer was deferred; parse it and cache the tokens. 2459fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer Diag(Tok, getLangOpts().CPlusPlus11 2460fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer ? diag::warn_cxx98_compat_nonstatic_member_init 2461fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer : diag::ext_nonstatic_member_init); 24627fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith 24637a614d8380297fcd2bc23986241905d97222948cRichard Smith if (DeclaratorInfo.isArrayOfUnknownBound()) { 2464ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith // C++11 [dcl.array]p3: An array bound may also be omitted when the 2465ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith // declarator is followed by an initializer. 24667a614d8380297fcd2bc23986241905d97222948cRichard Smith // 24677a614d8380297fcd2bc23986241905d97222948cRichard Smith // A brace-or-equal-initializer for a member-declarator is not an 24683164c14cadbb09a05ba811602221e9156077cf44David Blaikie // initializer in the grammar, so this is ill-formed. 24697a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_incomplete_array_member_init); 24708fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch); 2471fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer 2472fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer // Avoid later warnings about a class member of incomplete type. 24733164c14cadbb09a05ba811602221e9156077cf44David Blaikie if (ThisDecl) 24743164c14cadbb09a05ba811602221e9156077cf44David Blaikie ThisDecl->setInvalidDecl(); 24757a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 24767a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseCXXNonStaticMemberInitializer(ThisDecl); 2477147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } else if (HasInitializer) { 2478147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // Normal initializer. 2479a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor if (!Init.isUsable()) 2480fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer Init = ParseCXXMemberInitializer( 2481fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer ThisDecl, DeclaratorInfo.isDeclarationOfFunction(), EqualLoc); 2482fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer 2483147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (Init.isInvalid()) 24848fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch); 2485147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor else if (ThisDecl) 248633deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl Actions.AddInitializerToDecl(ThisDecl, Init.get(), EqualLoc.isInvalid(), 2487a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith DS.containsPlaceholderType()); 2488fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer } else if (ThisDecl && DS.getStorageClassSpec() == DeclSpec::SCS_static) 2489147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // No initializer. 2490a2c3646c35dd09d21b74826240aa916545b1873fRichard Smith Actions.ActOnUninitializedDecl(ThisDecl, DS.containsPlaceholderType()); 2491fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer 2492147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (ThisDecl) { 2493fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer if (!ThisDecl->isInvalidDecl()) { 2494fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer // Set the Decl for any late parsed attributes 2495fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer for (unsigned i = 0, ni = CommonLateParsedAttrs.size(); i < ni; ++i) 2496fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer CommonLateParsedAttrs[i]->addDecl(ThisDecl); 2497fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer 2498fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) 2499fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer LateParsedAttrs[i]->addDecl(ThisDecl); 2500fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer } 2501147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.FinalizeDeclaration(ThisDecl); 2502147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclsInGroup.push_back(ThisDecl); 2503fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer 2504fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer if (DeclaratorInfo.isFunctionDeclarator() && 2505fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer DeclaratorInfo.getDeclSpec().getStorageClassSpec() != 2506fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer DeclSpec::SCS_typedef) 2507fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer HandleMemberFunctionDeclDelays(DeclaratorInfo, ThisDecl); 2508147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } 2509fcbe20811e3848869054ad13352cbb431bd423ebDavid Majnemer LateParsedAttrs.clear(); 2510147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 2511147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclaratorInfo.complete(ThisDecl); 25127a614d8380297fcd2bc23986241905d97222948cRichard Smith 25134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 25144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 2515651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SourceLocation CommaLoc; 2516651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!TryConsumeToken(tok::comma, CommaLoc)) 25174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 25181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25191c94c16317c1a35c1549e022958188eea2567089Richard Smith if (Tok.isAtStartOfLine() && 25201c94c16317c1a35c1549e022958188eea2567089Richard Smith !MightBeDeclarator(Declarator::MemberContext)) { 25211c94c16317c1a35c1549e022958188eea2567089Richard Smith // This comma was followed by a line-break and something which can't be 25221c94c16317c1a35c1549e022958188eea2567089Richard Smith // the start of a declarator. The comma was probably a typo for a 25231c94c16317c1a35c1549e022958188eea2567089Richard Smith // semicolon. 25241c94c16317c1a35c1549e022958188eea2567089Richard Smith Diag(CommaLoc, diag::err_expected_semi_declaration) 25251c94c16317c1a35c1549e022958188eea2567089Richard Smith << FixItHint::CreateReplacement(CommaLoc, ";"); 25261c94c16317c1a35c1549e022958188eea2567089Richard Smith ExpectSemi = false; 25271c94c16317c1a35c1549e022958188eea2567089Richard Smith break; 25281c94c16317c1a35c1549e022958188eea2567089Richard Smith } 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 25314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 25324867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 25330e2c34f92f00628d48968dfea096d36381f494cbStephen Hines BitfieldSize = ExprResult(/*Invalid=*/false); 25340e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Init = ExprResult(/*Invalid=*/false); 2535a2b4e5d9292688bc67b583592918dbeecae31ea3Douglas Gregor HasInitializer = false; 25367984de35644701c0d94336da7f2215d4c26d9f5bRichard Smith DeclaratorInfo.setCommaLoc(CommaLoc); 25371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2538651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // GNU attributes are allowed before the second and subsequent declarator. 25397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 25404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 25410e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (ParseCXXMemberDeclaratorBeforeInitializer( 25420e2c34f92f00628d48968dfea096d36381f494cbStephen Hines DeclaratorInfo, VS, BitfieldSize, LateParsedAttrs)) 25430e2c34f92f00628d48968dfea096d36381f494cbStephen Hines break; 25444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 25454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 25461c94c16317c1a35c1549e022958188eea2567089Richard Smith if (ExpectSemi && 25471c94c16317c1a35c1549e022958188eea2567089Richard Smith ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 2548ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 25498fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); 2550ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 2551651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::semi); 2552682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 25534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 25544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 25554549d7ffc15bdd7ab860aa68db089d9f559b79e7Rafael Espindola Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup); 25564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 25574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 25587a614d8380297fcd2bc23986241905d97222948cRichard Smith/// ParseCXXMemberInitializer - Parse the brace-or-equal-initializer or 25597a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier. Also detect and reject any attempted defaulted/deleted 25607a614d8380297fcd2bc23986241905d97222948cRichard Smith/// function definition. The location of the '=', if any, will be placed in 25617a614d8380297fcd2bc23986241905d97222948cRichard Smith/// EqualLoc. 25627a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 25637a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier: 25647a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '= 0' 256533deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl/// 25667a614d8380297fcd2bc23986241905d97222948cRichard Smith/// brace-or-equal-initializer: 25677a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' initializer-expression 256833deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl/// braced-init-list 256933deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl/// 25707a614d8380297fcd2bc23986241905d97222948cRichard Smith/// initializer-clause: 25717a614d8380297fcd2bc23986241905d97222948cRichard Smith/// assignment-expression 257233deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl/// braced-init-list 257333deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl/// 2574b310439121c875937d78cc49cc969bc1197fc025Richard Smith/// defaulted/deleted function-definition: 25757a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'default' 25767a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'delete' 25777a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 25787a614d8380297fcd2bc23986241905d97222948cRichard Smith/// Prior to C++0x, the assignment-expression in an initializer-clause must 25797a614d8380297fcd2bc23986241905d97222948cRichard Smith/// be a constant-expression. 2580552e29985a710f4ced62b39d70557501bd31ca9bDouglas GregorExprResult Parser::ParseCXXMemberInitializer(Decl *D, bool IsFunction, 25817a614d8380297fcd2bc23986241905d97222948cRichard Smith SourceLocation &EqualLoc) { 25827a614d8380297fcd2bc23986241905d97222948cRichard Smith assert((Tok.is(tok::equal) || Tok.is(tok::l_brace)) 25837a614d8380297fcd2bc23986241905d97222948cRichard Smith && "Data member initializer not starting with '=' or '{'"); 25847a614d8380297fcd2bc23986241905d97222948cRichard Smith 2585552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor EnterExpressionEvaluationContext Context(Actions, 2586552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor Sema::PotentiallyEvaluated, 2587552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor D); 2588651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::equal, EqualLoc)) { 25897a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::kw_delete)) { 25907a614d8380297fcd2bc23986241905d97222948cRichard Smith // In principle, an initializer of '= delete p;' is legal, but it will 25917a614d8380297fcd2bc23986241905d97222948cRichard Smith // never type-check. It's better to diagnose it as an ill-formed expression 25927a614d8380297fcd2bc23986241905d97222948cRichard Smith // than as an ill-formed deleted non-function member. 25937a614d8380297fcd2bc23986241905d97222948cRichard Smith // An initializer of '= delete p, foo' will never be parsed, because 25947a614d8380297fcd2bc23986241905d97222948cRichard Smith // a top-level comma always ends the initializer expression. 25957a614d8380297fcd2bc23986241905d97222948cRichard Smith const Token &Next = NextToken(); 25967a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction || Next.is(tok::semi) || Next.is(tok::comma) || 2597651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Next.is(tok::eof)) { 25987a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 25997a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_delete_in_multiple_declaration) 26007a614d8380297fcd2bc23986241905d97222948cRichard Smith << 1 /* delete */; 26017a614d8380297fcd2bc23986241905d97222948cRichard Smith else 26027a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_deleted_non_function); 2603c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return ExprError(); 26047a614d8380297fcd2bc23986241905d97222948cRichard Smith } 26057a614d8380297fcd2bc23986241905d97222948cRichard Smith } else if (Tok.is(tok::kw_default)) { 26067a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 26077a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_default_delete_in_multiple_declaration) 26087a614d8380297fcd2bc23986241905d97222948cRichard Smith << 0 /* default */; 26097a614d8380297fcd2bc23986241905d97222948cRichard Smith else 26107a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_special_members); 2611c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return ExprError(); 26127a614d8380297fcd2bc23986241905d97222948cRichard Smith } 26130e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 26140e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (const auto *PD = dyn_cast_or_null<MSPropertyDecl>(D)) { 26150e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Diag(Tok, diag::err_ms_property_initializer) << PD; 26160e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return ExprError(); 261733deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl } 261833deb35535aebe81bed0eaf5c14f3032276a086eSebastian Redl return ParseInitializer(); 26197a614d8380297fcd2bc23986241905d97222948cRichard Smith} 26207a614d8380297fcd2bc23986241905d97222948cRichard Smith 26214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 26224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 26234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 26244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 26254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 26264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 262717d35c36fbae764fcd68fa8b31624078a033aabcJoao Matosvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 262807fc1ba7553f2f5bf26984091197311decd9028eMichael Han SourceLocation AttrFixitLoc, 2629053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith ParsedAttributesWithRange &Attrs, 263017d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos unsigned TagType, Decl *TagDecl) { 263117d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos assert((TagType == DeclSpec::TST_struct || 263217d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos TagType == DeclSpec::TST_interface || 263317d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos TagType == DeclSpec::TST_union || 263417d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos TagType == DeclSpec::TST_class) && "Invalid TagType!"); 263517d35c36fbae764fcd68fa8b31624078a033aabcJoao Matos 2636f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 2637f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 26381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 263926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 264026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 264126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 264226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 264323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 264426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 264526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 264626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 2647e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall 2648e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall // The Microsoft extension __interface does not permit nested classes. 2649e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall if (getCurrentClass().IsInterface) { 2650e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall Diag(RecordLoc, diag::err_invalid_member_in_interface) 2651e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall << /*ErrorType=*/6 2652e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall << (isa<NamedDecl>(TagDecl) 2653e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall ? cast<NamedDecl>(TagDecl)->getQualifiedNameAsString() 2654651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines : "(anonymous)"); 2655e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall } 265626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 265726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 265826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 265926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 266026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 266126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 266226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 266326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 266426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 266526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 266626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 266726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 266826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 266926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 267026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 26714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 26724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 26733218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 26744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 26756569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 2676e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass, 2677e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall TagType == DeclSpec::TST_interface); 26786569d68745c8213709740337d2be52b031384f58Douglas Gregor 2679ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 268023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 2681bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2682b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson SourceLocation FinalLoc; 26837121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer bool IsFinalSpelledSealed = false; 2684b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2685b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Parse the optional 'final' keyword. 26864e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus && Tok.is(tok::identifier)) { 26877121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer VirtSpecifiers::Specifier Specifier = isCXX11VirtSpecifier(Tok); 26887121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer assert((Specifier == VirtSpecifiers::VS_Final || 26897121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer Specifier == VirtSpecifiers::VS_Sealed) && 26907121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer "not a class definition"); 26918b11b5e6ce086fcaa7344bf84cffefcf4b53f9f6Richard Smith FinalLoc = ConsumeToken(); 26927121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer IsFinalSpelledSealed = Specifier == VirtSpecifiers::VS_Sealed; 2693b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 26947121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer if (TagType == DeclSpec::TST_interface) 2695e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall Diag(FinalLoc, diag::err_override_control_interface) 26967121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer << VirtSpecifiers::getSpecifierName(Specifier); 26977121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer else if (Specifier == VirtSpecifiers::VS_Final) 26987121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer Diag(FinalLoc, getLangOpts().CPlusPlus11 26997121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer ? diag::warn_cxx98_compat_override_control_keyword 27007121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer : diag::ext_override_control_keyword) 27017121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer << VirtSpecifiers::getSpecifierName(Specifier); 27027121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer else if (Specifier == VirtSpecifiers::VS_Sealed) 27037121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer Diag(FinalLoc, diag::ext_ms_sealed_keyword); 27042e39713a3d72c243a2bcd13cc8f5036ba6b487d9Michael Han 270507fc1ba7553f2f5bf26984091197311decd9028eMichael Han // Parse any C++11 attributes after 'final' keyword. 270607fc1ba7553f2f5bf26984091197311decd9028eMichael Han // These attributes are not allowed to appear here, 270707fc1ba7553f2f5bf26984091197311decd9028eMichael Han // and the only possible place for them to appertain 270807fc1ba7553f2f5bf26984091197311decd9028eMichael Han // to the class would be between class-key and class-name. 2709053214013990ad8ec096dafc64aa7c0ad2b05bc0Richard Smith CheckMisplacedCXX11Attribute(Attrs, AttrFixitLoc); 27100e2c34f92f00628d48968dfea096d36381f494cbStephen Hines 27110e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // ParseClassSpecifier() does only a superficial check for attributes before 27120e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // deciding to call this method. For example, for 27130e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // `class C final alignas ([l) {` it will decide that this looks like a 27140e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // misplaced attribute since it sees `alignas '(' ')'`. But the actual 27150e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // attribute parsing code will try to parse the '[' as a constexpr lambda 27160e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // and consume enough tokens that the alignas parsing code will eat the 27170e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // opening '{'. So bail out if the next token isn't one we expect. 27180e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (!Tok.is(tok::colon) && !Tok.is(tok::l_brace)) { 27190e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (TagDecl) 27200e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 27210e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return; 27220e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 2723b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 2724cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 2725bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 2726bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 2727bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 2728176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines bool SuggestFixIt = false; 2729176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation BraceLoc = PP.getLocForEndOfToken(PrevTokLocation); 2730176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Tok.isAtStartOfLine()) { 2731176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines switch (Tok.getKind()) { 2732176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw_private: 2733176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw_protected: 2734176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw_public: 2735176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SuggestFixIt = NextToken().getKind() == tok::colon; 2736176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines break; 2737176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw_static_assert: 2738176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::r_brace: 2739176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw_using: 2740176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // base-clause can have simple-template-id; 'template' can't be there 2741176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::kw_template: 2742176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SuggestFixIt = true; 2743176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines break; 2744176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines case tok::identifier: 2745176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SuggestFixIt = isConstructorDeclarator(true); 2746176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines break; 2747176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines default: 2748176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SuggestFixIt = isCXXSimpleDeclaration(/*AllowForRangeDecl=*/false); 2749176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines break; 2750176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2751176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2752176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines DiagnosticBuilder LBraceDiag = 2753176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(BraceLoc, diag::err_expected_lbrace_after_base_specifiers); 2754176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (SuggestFixIt) { 2755176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines LBraceDiag << FixItHint::CreateInsertion(BraceLoc, " {"); 2756176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Try recovering from missing { after base-clause. 2757176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines PP.EnterToken(Tok); 2758176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Tok.setKind(tok::l_brace); 2759176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } else { 2760176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (TagDecl) 2761176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 2762176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return; 2763176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2764bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2765bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2766bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2767bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 27684a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 27694a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2770bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 277142a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 27722c3ee54e51d835a35bbf781c69e17f39e2ba0480Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, FinalLoc, 27737121bdb91b86f6053765bda18dd0a8a118929aceDavid Majnemer IsFinalSpelledSealed, 27744a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation()); 2775f9368159334ff86ea5fa367225c1a580977f3b03John McCall 27764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 27774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 27784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 27794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 27804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 27814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 27824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 27834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 27845f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParsedAttributes AccessAttrs(AttrFactory); 27854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 278607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 278707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 2788651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines while (Tok.isNot(tok::r_brace) && !isEofOrEom()) { 278907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 279007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 27914e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().MicrosoftExt && (Tok.is(tok::kw___if_exists) || 2792563a645de82231a55e221fe655b7188bf8369662Francois Pichet Tok.is(tok::kw___if_not_exists))) { 2793563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2794563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2795563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2796563a645de82231a55e221fe655b7188bf8369662Francois Pichet 279707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 279807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 2799eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith ConsumeExtraSemi(InsideStruct, TagType); 280007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 280107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 28021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2803aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman if (Tok.is(tok::annot_pragma_vis)) { 2804aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman HandlePragmaVisibility(); 2805aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman continue; 2806aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman } 2807aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman 2808aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman if (Tok.is(tok::annot_pragma_pack)) { 2809aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman HandlePragmaPack(); 2810aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman continue; 2811aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman } 2812aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman 2813f4deaef8b816bd43258c30fe8e657ab041b675adArgyrios Kyrtzidis if (Tok.is(tok::annot_pragma_align)) { 2814f4deaef8b816bd43258c30fe8e657ab041b675adArgyrios Kyrtzidis HandlePragmaAlign(); 2815f4deaef8b816bd43258c30fe8e657ab041b675adArgyrios Kyrtzidis continue; 2816f4deaef8b816bd43258c30fe8e657ab041b675adArgyrios Kyrtzidis } 2817f4deaef8b816bd43258c30fe8e657ab041b675adArgyrios Kyrtzidis 2818c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev if (Tok.is(tok::annot_pragma_openmp)) { 2819c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev ParseOpenMPDeclarativeDirective(); 2820c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev continue; 2821c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev } 2822c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev 2823651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (Tok.is(tok::annot_pragma_ms_pointers_to_members)) { 2824651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines HandlePragmaMSPointersToMembers(); 2825651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines continue; 2826651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 2827651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 28286bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Tok.is(tok::annot_pragma_ms_pragma)) { 28296bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines HandlePragmaMSPragma(); 28306bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines continue; 28316bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 28326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2833b310439121c875937d78cc49cc969bc1197fc025Richard Smith // If we see a namespace here, a close brace was missing somewhere. 2834b310439121c875937d78cc49cc969bc1197fc025Richard Smith if (Tok.is(tok::kw_namespace)) { 28357faf81ff1dc8f8dc724e928ba90ccbfad0fdc2bcRichard Smith DiagnoseUnexpectedNamespace(cast<NamedDecl>(TagDecl)); 2836b310439121c875937d78cc49cc969bc1197fc025Richard Smith break; 2837b310439121c875937d78cc49cc969bc1197fc025Richard Smith } 2838b310439121c875937d78cc49cc969bc1197fc025Richard Smith 283907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 284007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 284107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 284207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 284307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 284413f8daf70637f8f295134ac8e089dd7721e09085David Blaikie unsigned TokLength = Tok.getLength(); 284507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 28465f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen AccessAttrs.clear(); 28475f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen MaybeParseGNUAttributes(AccessAttrs); 28485f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen 284913f8daf70637f8f295134ac8e089dd7721e09085David Blaikie SourceLocation EndLoc; 2850651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::colon, EndLoc)) { 2851651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } else if (TryConsumeToken(tok::semi, EndLoc)) { 2852651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(EndLoc, diag::err_expected) 2853651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::colon << FixItHint::CreateReplacement(EndLoc, ":"); 285413f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } else { 285513f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = ASLoc.getLocWithOffset(TokLength); 2856651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(EndLoc, diag::err_expected) 2857651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::colon << FixItHint::CreateInsertion(EndLoc, ":"); 285813f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } 2859c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen 2860e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall // The Microsoft extension __interface does not permit non-public 2861e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall // access specifiers. 2862e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall if (TagType == DeclSpec::TST_interface && CurAS != AS_public) { 2863e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall Diag(ASLoc, diag::err_access_specifier_interface) 2864e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall << (CurAS == AS_protected); 2865e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall } 2866e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall 2867c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen if (Actions.ActOnAccessSpecifier(AS, ASLoc, EndLoc, 2868c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen AccessAttrs.getList())) { 2869c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen // found another attribute than only annotations 2870c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen AccessAttrs.clear(); 2871c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen } 2872c35cba4a54106117a52b267c7040b3bea9a4d18eErik Verbruggen 287307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 287407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 28754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 287607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 28775f1c822def3efffe1d8f7299fbbbc3b1cdd4833dErik Verbruggen ParseCXXClassMemberDeclaration(CurAS, AccessAttrs.getList()); 287807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 28791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28804a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 288107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 28828fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace); 28834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 28841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 28860b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 28877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 28884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 288942a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 289023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 28914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 28924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation(), 28937f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 28944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 289574e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor // C++11 [class.mem]p2: 289674e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor // Within the class member-specification, the class is regarded as complete 2897176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // within function bodies, default arguments, exception-specifications, and 289874e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor // brace-or-equal-initializers for non-static data members (including such 289974e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor // things in nested classes). 290007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 29014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 290272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 2903eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // declarations and the lexed inline method definitions, along with any 2904eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // delayed attributes. 2905e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 2906eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski ParseLexedAttributes(getCurrentClass()); 29076569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 2908a4156b8574666aa69a2b0ad35dc9e9603433e4aeRichard Smith 2909a4156b8574666aa69a2b0ad35dc9e9603433e4aeRichard Smith // We've finished with all pending member declarations. 2910a4156b8574666aa69a2b0ad35dc9e9603433e4aeRichard Smith Actions.ActOnFinishCXXMemberDecls(); 2911a4156b8574666aa69a2b0ad35dc9e9603433e4aeRichard Smith 29127a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseLexedMemberInitializers(getCurrentClass()); 29136569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 2914e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 29154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 29164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 291742a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 29184a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, 29194a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 2920db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 29214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 29226569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 29238935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 29244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 29257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 29267faf81ff1dc8f8dc724e928ba90ccbfad0fdc2bcRichard Smithvoid Parser::DiagnoseUnexpectedNamespace(NamedDecl *D) { 2927b310439121c875937d78cc49cc969bc1197fc025Richard Smith assert(Tok.is(tok::kw_namespace)); 2928b310439121c875937d78cc49cc969bc1197fc025Richard Smith 2929b310439121c875937d78cc49cc969bc1197fc025Richard Smith // FIXME: Suggest where the close brace should have gone by looking 2930b310439121c875937d78cc49cc969bc1197fc025Richard Smith // at indentation changes within the definition body. 29317faf81ff1dc8f8dc724e928ba90ccbfad0fdc2bcRichard Smith Diag(D->getLocation(), 29327faf81ff1dc8f8dc724e928ba90ccbfad0fdc2bcRichard Smith diag::err_missing_end_of_definition) << D; 2933b310439121c875937d78cc49cc969bc1197fc025Richard Smith Diag(Tok.getLocation(), 29347faf81ff1dc8f8dc724e928ba90ccbfad0fdc2bcRichard Smith diag::note_missing_end_of_definition_before) << D; 2935b310439121c875937d78cc49cc969bc1197fc025Richard Smith 2936b310439121c875937d78cc49cc969bc1197fc025Richard Smith // Push '};' onto the token stream to recover. 2937b310439121c875937d78cc49cc969bc1197fc025Richard Smith PP.EnterToken(Tok); 2938b310439121c875937d78cc49cc969bc1197fc025Richard Smith 2939b310439121c875937d78cc49cc969bc1197fc025Richard Smith Tok.startToken(); 2940b310439121c875937d78cc49cc969bc1197fc025Richard Smith Tok.setLocation(PP.getLocForEndOfToken(PrevTokLocation)); 2941b310439121c875937d78cc49cc969bc1197fc025Richard Smith Tok.setKind(tok::semi); 2942b310439121c875937d78cc49cc969bc1197fc025Richard Smith PP.EnterToken(Tok); 2943b310439121c875937d78cc49cc969bc1197fc025Richard Smith 2944b310439121c875937d78cc49cc969bc1197fc025Richard Smith Tok.setKind(tok::r_brace); 2945b310439121c875937d78cc49cc969bc1197fc025Richard Smith} 2946b310439121c875937d78cc49cc969bc1197fc025Richard Smith 29477ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 29487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 29497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 29507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 29517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 29527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 29537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 29547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 29557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 29567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 29577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 29587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 29597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 29607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 29617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 29621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 29631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 29647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 29651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 29663fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 29673fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 2968d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 29697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 29707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 297128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley // Poison the SEH identifiers so they are flagged as illegal in constructor initializers 297228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); 29737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 29741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29755f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXCtorInitializer*, 4> MemInitializers; 29769db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 2977193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 29787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 29790133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 2980572cf585da655522651b589101784c58902f8690Dmitri Gribenko Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 2981572cf585da655522651b589101784c58902f8690Dmitri Gribenko MemInitializers); 29827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 29830133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 29840133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 29850133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 29860133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 29870133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 29880133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 29890133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 29900133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 29917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 29927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 29937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 29947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 2995b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 2996b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 2997751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 2998751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 2999751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 3000751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 3001751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 30027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 3003651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok.getLocation(), diag::err_expected_either) << tok::l_brace 3004651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::comma; 30058fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch); 30067ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 30077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 30087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 30097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 301093c8617bec98aeb769ee9f569d7ed439eec03249David Blaikie Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, MemInitializers, 30119db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 30127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 30137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 30147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 30157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 30167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 30177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 30187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 30197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 30207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 3021dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] mem-initializer-id braced-init-list 30221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 30237ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 30247ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 30257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 3026176edba5311f6eff0cad2631449885ddf4fbc9eaStephen HinesMemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 3027bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 3028bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 3029efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 3030b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 3031961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 303225a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 3033d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 3034d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 3035059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 3036961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 3037b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 3038961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 3039961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 3040f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // Uses of decltype will already have been converted to annot_decltype by 3041f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // ParseOptionalCXXScopeSpecifier at this point. 3042f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie if (!TemplateTypeTy && Tok.isNot(tok::identifier) 3043f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie && Tok.isNot(tok::annot_decltype)) { 30441ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 30457ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 30467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30486bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *II = nullptr; 3049f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie DeclSpec DS(AttrFactory); 3050f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie SourceLocation IdLoc = Tok.getLocation(); 3051f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie if (Tok.is(tok::annot_decltype)) { 3052f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // Get the decltype expression, if there is one. 3053f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie ParseDecltypeSpecifier(DS); 3054f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie } else { 3055f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie if (Tok.is(tok::identifier)) 3056f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // Get the identifier. This may be a member name or a class name, 3057f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie // but we'll let the semantic analysis determine which it is. 3058f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie II = Tok.getIdentifierInfo(); 3059f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie ConsumeToken(); 3060f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie } 3061f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie 30627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 30637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 306480ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { 30657fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); 30667fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith 30676df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl ExprResult InitList = ParseBraceInitializer(); 30686df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl if (InitList.isInvalid()) 30696df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl return true; 30706df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl 30716df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl SourceLocation EllipsisLoc; 3072651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::ellipsis, EllipsisLoc); 30736df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl 30746df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 3075f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie TemplateTypeTy, DS, IdLoc, 3076c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines InitList.get(), EllipsisLoc); 3077dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } else if(Tok.is(tok::l_paren)) { 30784a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 30794a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 3080dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 3081dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // Parse the optional expression-list. 30824e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector ArgExprs; 3083dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl CommaLocsTy CommaLocs; 3084dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 30858fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren, StopAtSemi); 3086dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 3087dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 30887ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 30894a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 30907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 3091dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation EllipsisLoc; 3092651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::ellipsis, EllipsisLoc); 30937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 3094dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 3095f211662199c87461f3b1475a549ab439c63ca83bDavid Blaikie TemplateTypeTy, DS, IdLoc, 3096a36bbac10f7b74ef198ec2fb0eb52dbd8a50e7f0Dmitri Gribenko T.getOpenLocation(), ArgExprs, 3097a36bbac10f7b74ef198ec2fb0eb52dbd8a50e7f0Dmitri Gribenko T.getCloseLocation(), EllipsisLoc); 3098dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 3099dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 3100651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (getLangOpts().CPlusPlus11) 3101651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return Diag(Tok, diag::err_expected_either) << tok::l_paren << tok::l_brace; 3102651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines else 3103651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return Diag(Tok, diag::err_expected) << tok::l_paren; 31047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 31050fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 31067acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 31070fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 3108a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 31097acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 31107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 31117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 31127acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 31137acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 31147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 31157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 3116176edba5311f6eff0cad2631449885ddf4fbc9eaStephen HinesParser::tryParseExceptionSpecification(bool Delayed, 311774e2fc332e07c76d4e69ccbd0e9e47a0bafd3908Douglas Gregor SourceRange &SpecificationRange, 31185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &DynamicExceptions, 31195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 3120176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ExprResult &NoexceptExpr, 3121176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines CachedTokens *&ExceptionSpecTokens) { 31227acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 3123176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ExceptionSpecTokens = 0; 3124176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 3125176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Handle delayed parsing of exception-specifications. 3126176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Delayed) { 3127176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Tok.isNot(tok::kw_throw) && Tok.isNot(tok::kw_noexcept)) 3128176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return EST_None; 3129176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 3130176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Consume and cache the starting token. 3131176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines bool IsNoexcept = Tok.is(tok::kw_noexcept); 3132176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Token StartTok = Tok; 3133176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SpecificationRange = SourceRange(ConsumeToken()); 3134176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 3135176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Check for a '('. 3136176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (!Tok.is(tok::l_paren)) { 3137176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // If this is a bare 'noexcept', we're done. 3138176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (IsNoexcept) { 3139176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(Tok, diag::warn_cxx98_compat_noexcept_decl); 3140176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines NoexceptExpr = 0; 3141176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return EST_BasicNoexcept; 3142176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 3143176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 3144176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(Tok, diag::err_expected_lparen_after) << "throw"; 3145176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return EST_DynamicNone; 3146176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 3147176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 3148176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Cache the tokens for the exception-specification. 3149176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ExceptionSpecTokens = new CachedTokens; 3150176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ExceptionSpecTokens->push_back(StartTok); // 'throw' or 'noexcept' 3151176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ExceptionSpecTokens->push_back(Tok); // '(' 3152176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SpecificationRange.setEnd(ConsumeParen()); // '(' 31530e2c34f92f00628d48968dfea096d36381f494cbStephen Hines 31540e2c34f92f00628d48968dfea096d36381f494cbStephen Hines ConsumeAndStoreUntil(tok::r_paren, *ExceptionSpecTokens, 31550e2c34f92f00628d48968dfea096d36381f494cbStephen Hines /*StopAtSemi=*/true, 31560e2c34f92f00628d48968dfea096d36381f494cbStephen Hines /*ConsumeFinalToken=*/true); 3157176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SpecificationRange.setEnd(Tok.getLocation()); 3158176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return EST_Unparsed; 3159176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 3160176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 31617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 31627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 31637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 31647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 31657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 31667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 31677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 31687acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 31697acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 31707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 31717acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 31727acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 31737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 3174841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith Diag(Tok, diag::warn_cxx98_compat_noexcept_decl); 3175841804baff6ea8ba1904a2ba81265aae1479e882Richard Smith 31767acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 31777acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 31787acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 31797acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 31807acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 31817acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 31827acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 31837acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 31844a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 31854a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 31867acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 31877acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 318860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // The argument must be contextually convertible to bool. We use 318960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // ActOnBooleanCondition for this purpose. 319060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr.isInvalid()) 319160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr = Actions.ActOnBooleanCondition(getCurScope(), KeywordLoc, 319260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr.get()); 31934a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 31944a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor NoexceptRange = SourceRange(KeywordLoc, T.getCloseLocation()); 31957acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 31967acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 31977acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 31987acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 31997acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 32007acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 32017acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 32027acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 32037acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 32047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 32057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 32067acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 32077acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 32087acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 32097acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 32107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 32117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 32127acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 32137acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 32147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 32157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 32167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 32177acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 32187acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 321979f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smithstatic void diagnoseDynamicExceptionSpecification( 322079f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith Parser &P, const SourceRange &Range, bool IsNoexcept) { 322179f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith if (P.getLangOpts().CPlusPlus11) { 322279f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith const char *Replacement = IsNoexcept ? "noexcept" : "noexcept(false)"; 322379f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith P.Diag(Range.getBegin(), diag::warn_exception_spec_deprecated) << Range; 322479f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith P.Diag(Range.getBegin(), diag::note_exception_spec_deprecated) 322579f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith << Replacement << FixItHint::CreateReplacement(Range, Replacement); 322679f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith } 322779f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith} 322879f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith 32297acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 32307acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 32317acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 32327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 3233a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 3234a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 32351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 3236a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 3237a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 3238a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 32390fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 32407acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 32417acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 32425f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &Exceptions, 32435f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &Ranges) { 32440fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 32451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32467acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 32474a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 32484a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 32497acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 32507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 325160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_DynamicNone; 32520fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 32530fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 3254a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 3255a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 3256a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 3257a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 32584e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().MicrosoftExt) 3259a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 32604a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 32614a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SpecificationRange.setEnd(T.getCloseLocation()); 326279f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith diagnoseDynamicExceptionSpecification(*this, SpecificationRange, false); 326360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_MSAny; 3264a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 3265a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 32660fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 3267ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 32680fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 3269ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 32707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 3271a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 3272a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 3273a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 3274a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 3275a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 32767acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 3277a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 3278a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 3279a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 32807acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 3281ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 32827dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 3283ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 3284ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 3285651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 3286651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!TryConsumeToken(tok::comma)) 32870fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 32880fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 32890fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 32904a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 32914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SpecificationRange.setEnd(T.getCloseLocation()); 329279f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith diagnoseDynamicExceptionSpecification(*this, SpecificationRange, 329379f4bb7aad1b7c53f8a3bc43d89de0efdef8286dRichard Smith Exceptions.empty()); 329460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return Exceptions.empty() ? EST_DynamicNone : EST_Dynamic; 32950fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 32966569d68745c8213709740337d2be52b031384f58Douglas Gregor 3297dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 3298dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 3299ae7902c4293d9de8b9591759513f0d075f45022aDouglas GregorTypeResult Parser::ParseTrailingReturnType(SourceRange &Range) { 3300dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 3301dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 3302dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 3303dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 33047796eb5643244f3134834253ce5ea89107ac21c1Richard Smith return ParseTypeName(&Range, Declarator::TrailingReturnContext); 3305dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 3306dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 33076569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 33086569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 33096569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 3310eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 3311e402e72273cde2a64fa6097c1fe93f500038675dJohn McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass, 3312e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall bool IsInterface) { 331326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 33146569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 3315e402e72273cde2a64fa6097c1fe93f500038675dJohn McCall ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass, IsInterface)); 3316eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 33176569d68745c8213709740337d2be52b031384f58Douglas Gregor} 33186569d68745c8213709740337d2be52b031384f58Douglas Gregor 33196569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 33206569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 33216569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 3322d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 3323d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 33246569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 33256569d68745c8213709740337d2be52b031384f58Douglas Gregor} 33266569d68745c8213709740337d2be52b031384f58Douglas Gregor 33276569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 33286569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 33296569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 33306569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 33316569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 33326569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 3333eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 33346569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 33351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3336eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 3337eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 33386569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 33396569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 33406569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 33416569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 33426569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 33436569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 33446569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 33451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 33466569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 33476569d68745c8213709740337d2be52b031384f58Douglas Gregor 3348d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 33496569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 33506569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 33516569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 33526569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 3353d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 33546569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 33556569d68745c8213709740337d2be52b031384f58Douglas Gregor } 33566569d68745c8213709740337d2be52b031384f58Douglas Gregor 33576569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 33586569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 33596569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 336023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 3361d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 336223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 33636569d68745c8213709740337d2be52b031384f58Douglas Gregor} 3364bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3365c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// \brief Try to parse an 'identifier' which appears within an attribute-token. 3366c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// 3367c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// \return the parsed identifier on success, and 0 if the next token is not an 3368c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// attribute-token. 3369c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// 3370c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// C++11 [dcl.attr.grammar]p3: 3371c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// If a keyword or an alternative token that satisfies the syntactic 3372c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// requirements of an identifier is contained in an attribute-token, 3373c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// it is considered an identifier. 3374c56298d87a9df507805a548d7d515e8b511df2c0Richard SmithIdentifierInfo *Parser::TryParseCXX11AttributeIdentifier(SourceLocation &Loc) { 3375c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith switch (Tok.getKind()) { 3376c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith default: 3377c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith // Identifiers and keywords have identifier info attached. 33780e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (!Tok.isAnnotation()) { 33790e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (IdentifierInfo *II = Tok.getIdentifierInfo()) { 33800e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Loc = ConsumeToken(); 33810e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return II; 33820e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 3383c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith } 33846bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 3385c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith 3386c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::ampamp: // 'and' 3387c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::pipe: // 'bitor' 3388c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::pipepipe: // 'or' 3389c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::caret: // 'xor' 3390c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::tilde: // 'compl' 3391c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::amp: // 'bitand' 3392c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::ampequal: // 'and_eq' 3393c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::pipeequal: // 'or_eq' 3394c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::caretequal: // 'xor_eq' 3395c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::exclaim: // 'not' 3396c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith case tok::exclaimequal: // 'not_eq' 3397c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith // Alternative tokens do not have identifier info, but their spelling 3398c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith // starts with an alphabetical character. 3399cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko SmallString<8> SpellingBuf; 3400c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith StringRef Spelling = PP.getSpelling(Tok.getLocation(), SpellingBuf); 34013f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose if (isLetter(Spelling[0])) { 3402c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith Loc = ConsumeToken(); 34030eb7526cd2524af78fb9a2a2522045fb25fc3d27Benjamin Kramer return &PP.getIdentifierTable().get(Spelling); 3404c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith } 34056bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 3406c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith } 3407c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith} 3408c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith 34096880f492365cc4fa4c941aa83688635003ee7498Michael Hanstatic bool IsBuiltInOrStandardCXX11Attribute(IdentifierInfo *AttrName, 34106880f492365cc4fa4c941aa83688635003ee7498Michael Han IdentifierInfo *ScopeName) { 34116880f492365cc4fa4c941aa83688635003ee7498Michael Han switch (AttributeList::getKind(AttrName, ScopeName, 34126880f492365cc4fa4c941aa83688635003ee7498Michael Han AttributeList::AS_CXX11)) { 34136880f492365cc4fa4c941aa83688635003ee7498Michael Han case AttributeList::AT_CarriesDependency: 34146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case AttributeList::AT_Deprecated: 34156880f492365cc4fa4c941aa83688635003ee7498Michael Han case AttributeList::AT_FallThrough: 3416cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith case AttributeList::AT_CXX11NoReturn: { 34176880f492365cc4fa4c941aa83688635003ee7498Michael Han return true; 34186880f492365cc4fa4c941aa83688635003ee7498Michael Han } 34196880f492365cc4fa4c941aa83688635003ee7498Michael Han 34206880f492365cc4fa4c941aa83688635003ee7498Michael Han default: 34216880f492365cc4fa4c941aa83688635003ee7498Michael Han return false; 34226880f492365cc4fa4c941aa83688635003ee7498Michael Han } 34236880f492365cc4fa4c941aa83688635003ee7498Michael Han} 34246880f492365cc4fa4c941aa83688635003ee7498Michael Han 3425651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// ParseCXX11AttributeArgs -- Parse a C++11 attribute-argument-clause. 3426651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// 3427651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// [C++11] attribute-argument-clause: 3428651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// '(' balanced-token-seq ')' 3429651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// 3430651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// [C++11] balanced-token-seq: 3431651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// balanced-token 3432651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// balanced-token-seq balanced-token 3433651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// 3434651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// [C++11] balanced-token: 3435651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// '(' balanced-token-seq ')' 3436651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// '[' balanced-token-seq ']' 3437651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// '{' balanced-token-seq '}' 3438651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// any token but '(', ')', '[', ']', '{', or '}' 3439651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesbool Parser::ParseCXX11AttributeArgs(IdentifierInfo *AttrName, 3440651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SourceLocation AttrNameLoc, 3441651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParsedAttributes &Attrs, 3442651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SourceLocation *EndLoc, 3443651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines IdentifierInfo *ScopeName, 3444651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SourceLocation ScopeLoc) { 3445651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(Tok.is(tok::l_paren) && "Not a C++11 attribute argument list"); 34466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines SourceLocation LParenLoc = Tok.getLocation(); 3447651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 3448651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // If the attribute isn't known, we will not attempt to parse any 3449651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // arguments. 3450651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!hasAttribute(AttrSyntax::CXX, ScopeName, AttrName, 3451651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getTargetInfo().getTriple(), getLangOpts())) { 3452651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Eat the left paren, then skip to the ending right paren. 3453651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ConsumeParen(); 3454651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::r_paren); 3455651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return false; 3456651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 3457651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 3458651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ScopeName && ScopeName->getName() == "gnu") 3459651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // GNU-scoped attributes have some special cases to handle GNU-specific 3460651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // behaviors. 3461651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseGNUAttributeArgs(AttrName, AttrNameLoc, Attrs, EndLoc, ScopeName, 34626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ScopeLoc, AttributeList::AS_CXX11, nullptr); 34636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines else { 34646bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines unsigned NumArgs = 34656bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ParseAttributeArgsCommon(AttrName, AttrNameLoc, Attrs, EndLoc, 34666bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ScopeName, ScopeLoc, AttributeList::AS_CXX11); 34676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 34686bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const AttributeList *Attr = Attrs.getList(); 34696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Attr && IsBuiltInOrStandardCXX11Attribute(AttrName, ScopeName)) { 34706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // If the attribute is a standard or built-in attribute and we are 34716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // parsing an argument list, we need to determine whether this attribute 34726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // was allowed to have an argument list (such as [[deprecated]]), and how 34736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // many arguments were parsed (so we can diagnose on [[deprecated()]]). 3474c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (Attr->getMaxArgs() && !NumArgs) { 3475c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines // The attribute was allowed to have arguments, but none were provided 3476c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines // even though the attribute parsed successfully. This is an error. 3477c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Diag(LParenLoc, diag::err_attribute_requires_arguments) << AttrName; 3478c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } else if (!Attr->getMaxArgs()) { 3479c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines // The attribute parsed successfully, but was not allowed to have any 3480c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines // arguments. It doesn't matter whether any were provided -- the 34816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // presence of the argument list (even if empty) is diagnosed. 34826bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Diag(LParenLoc, diag::err_cxx11_attribute_forbids_arguments) 34830e2c34f92f00628d48968dfea096d36381f494cbStephen Hines << AttrName 34840e2c34f92f00628d48968dfea096d36381f494cbStephen Hines << FixItHint::CreateRemoval(SourceRange(LParenLoc, *EndLoc)); 34856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 34866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 34876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 3488651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return true; 3489651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 3490651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 3491651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// ParseCXX11AttributeSpecifier - Parse a C++11 attribute-specifier. 3492bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 34936ee326af4e77e6f05973486097884d7431f2108dRichard Smith/// [C++11] attribute-specifier: 3494bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 349582d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne/// alignment-specifier 3496bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 34976ee326af4e77e6f05973486097884d7431f2108dRichard Smith/// [C++11] attribute-list: 3498bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 3499bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 3500c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// attribute '...' 3501c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith/// attribute-list ',' attribute '...' 3502bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 35036ee326af4e77e6f05973486097884d7431f2108dRichard Smith/// [C++11] attribute: 3504bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 3505bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 35066ee326af4e77e6f05973486097884d7431f2108dRichard Smith/// [C++11] attribute-token: 3507bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 3508bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 3509bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 35106ee326af4e77e6f05973486097884d7431f2108dRichard Smith/// [C++11] attribute-scoped-token: 3511bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 3512bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 35136ee326af4e77e6f05973486097884d7431f2108dRichard Smith/// [C++11] attribute-namespace: 3514bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 3515c56298d87a9df507805a548d7d515e8b511df2c0Richard Smithvoid Parser::ParseCXX11AttributeSpecifier(ParsedAttributes &attrs, 35163497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation *endLoc) { 351782d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne if (Tok.is(tok::kw_alignas)) { 351841be673e93ed225b45479557b20ff19b3082bae8Richard Smith Diag(Tok.getLocation(), diag::warn_cxx98_compat_alignas); 351982d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne ParseAlignmentSpecifier(attrs, endLoc); 352082d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne return; 352182d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne } 352282d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne 3523bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 35246ee326af4e77e6f05973486097884d7431f2108dRichard Smith && "Not a C++11 attribute list"); 3525bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 352641be673e93ed225b45479557b20ff19b3082bae8Richard Smith Diag(Tok.getLocation(), diag::warn_cxx98_compat_attribute); 352741be673e93ed225b45479557b20ff19b3082bae8Richard Smith 3528bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 3529bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 3530193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3531cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith llvm::SmallDenseMap<IdentifierInfo*, SourceLocation, 4> SeenAttrs; 3532cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith 3533c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith while (Tok.isNot(tok::r_square)) { 3534bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 3535651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::comma)) 3536bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 3537bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3538c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith SourceLocation ScopeLoc, AttrLoc; 35396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *ScopeName = nullptr, *AttrName = nullptr; 3540c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith 3541c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith AttrName = TryParseCXX11AttributeIdentifier(AttrLoc); 3542c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith if (!AttrName) 3543c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith // Break out to the "expected ']'" diagnostic. 3544c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith break; 3545193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3546bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 3547651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::coloncolon)) { 3548c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith ScopeName = AttrName; 3549c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith ScopeLoc = AttrLoc; 3550c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith 3551c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith AttrName = TryParseCXX11AttributeIdentifier(AttrLoc); 3552c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith if (!AttrName) { 3553651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok.getLocation(), diag::err_expected) << tok::identifier; 35548fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, tok::comma, StopAtSemi | StopBeforeMatch); 3555bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 3556bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3557bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3558bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3559651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines bool StandardAttr = IsBuiltInOrStandardCXX11Attribute(AttrName, ScopeName); 3560bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 35616880f492365cc4fa4c941aa83688635003ee7498Michael Han 3562cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith if (StandardAttr && 3563cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith !SeenAttrs.insert(std::make_pair(AttrName, AttrLoc)).second) 3564cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith Diag(AttrLoc, diag::err_cxx11_attribute_repeated) 3565651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << AttrName << SourceRange(SeenAttrs[AttrName]); 3566cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith 35676880f492365cc4fa4c941aa83688635003ee7498Michael Han // Parse attribute arguments 35686bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Tok.is(tok::l_paren)) 3569651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines AttrParsed = ParseCXX11AttributeArgs(AttrName, AttrLoc, attrs, endLoc, 3570651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ScopeName, ScopeLoc); 3571bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 35726880f492365cc4fa4c941aa83688635003ee7498Michael Han if (!AttrParsed) 3573e0d3b4cd2b66f1cef26cacbed5820ab7c22ad5b3Richard Smith attrs.addNew(AttrName, 3574e0d3b4cd2b66f1cef26cacbed5820ab7c22ad5b3Richard Smith SourceRange(ScopeLoc.isValid() ? ScopeLoc : AttrLoc, 3575e0d3b4cd2b66f1cef26cacbed5820ab7c22ad5b3Richard Smith AttrLoc), 35766bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ScopeName, ScopeLoc, nullptr, 0, AttributeList::AS_CXX11); 35776ee326af4e77e6f05973486097884d7431f2108dRichard Smith 3578651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::ellipsis)) 35796880f492365cc4fa4c941aa83688635003ee7498Michael Han Diag(Tok, diag::err_cxx11_attribute_forbids_ellipsis) 35806880f492365cc4fa4c941aa83688635003ee7498Michael Han << AttrName->getName(); 3581bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 3582bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3583651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::r_square)) 35848fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square); 35853497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne if (endLoc) 35863497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne *endLoc = Tok.getLocation(); 3587651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::r_square)) 35888fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square); 35893497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne} 35903497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne 35912edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt/// ParseCXX11Attributes - Parse a C++11 attribute-specifier-seq. 35923497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// 35933497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// attribute-specifier-seq: 35943497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// attribute-specifier-seq[opt] attribute-specifier 3595c56298d87a9df507805a548d7d515e8b511df2c0Richard Smithvoid Parser::ParseCXX11Attributes(ParsedAttributesWithRange &attrs, 35963497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation *endLoc) { 3597672edb0a04a5273e3a501f3b196844c125290780Richard Smith assert(getLangOpts().CPlusPlus11); 3598672edb0a04a5273e3a501f3b196844c125290780Richard Smith 35993497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation StartLoc = Tok.getLocation(), Loc; 36003497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne if (!endLoc) 36013497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne endLoc = &Loc; 36023497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne 36038828ee7faa42f889ade3bb635dc5f1338be671b1Douglas Gregor do { 3604c56298d87a9df507805a548d7d515e8b511df2c0Richard Smith ParseCXX11AttributeSpecifier(attrs, endLoc); 36056ee326af4e77e6f05973486097884d7431f2108dRichard Smith } while (isCXX11AttributeSpecifier()); 3606bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 36073497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne attrs.Range = SourceRange(StartLoc, *endLoc); 3608bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 3609bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 36105eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smithvoid Parser::DiagnoseAndSkipCXX11Attributes() { 36115eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith // Start and end location of an attribute or an attribute list. 36125eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith SourceLocation StartLoc = Tok.getLocation(); 3613c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SourceLocation EndLoc = SkipCXX11Attributes(); 3614c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 3615c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (EndLoc.isValid()) { 3616c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SourceRange Range(StartLoc, EndLoc); 3617c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Diag(StartLoc, diag::err_attributes_not_allowed) 3618c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines << Range; 3619c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 3620c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines} 3621c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 3622c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen HinesSourceLocation Parser::SkipCXX11Attributes() { 36235eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith SourceLocation EndLoc; 36245eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith 3625c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (!isCXX11AttributeSpecifier()) 3626c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return EndLoc; 3627c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 36285eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith do { 36295eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith if (Tok.is(tok::l_square)) { 36305eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith BalancedDelimiterTracker T(*this, tok::l_square); 36315eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith T.consumeOpen(); 36325eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith T.skipToEnd(); 36335eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith EndLoc = T.getCloseLocation(); 36345eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith } else { 36355eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith assert(Tok.is(tok::kw_alignas) && "not an attribute specifier"); 36365eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith ConsumeToken(); 36375eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith BalancedDelimiterTracker T(*this, tok::l_paren); 36385eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith if (!T.consumeOpen()) 36395eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith T.skipToEnd(); 36405eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith EndLoc = T.getCloseLocation(); 36415eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith } 36425eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith } while (isCXX11AttributeSpecifier()); 36435eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith 3644c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return EndLoc; 36455eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith} 36465eed7e00b4ac8d589ca83e126dafa8767e8a0358Richard Smith 3647334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 3648334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 3649334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 3650334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 3651334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 3652334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 3653334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 3654334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 36557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 36567f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 3657334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 3658334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 3659334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 36606ee326af4e77e6f05973486097884d7431f2108dRichard Smith // FIXME: If this is actually a C++11 attribute, parse it as one. 3661334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 36628fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi | StopBeforeMatch); 36637f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 3664651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::r_square); 3665334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 3666334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 3667563a645de82231a55e221fe655b7188bf8369662Francois Pichet 3668563a645de82231a55e221fe655b7188bf8369662Francois Pichetvoid Parser::ParseMicrosoftIfExistsClassDeclaration(DeclSpec::TST TagType, 3669563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier& CurAS) { 36703896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor IfExistsCondition Result; 3671563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (ParseMicrosoftIfExistsCondition(Result)) 3672563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 3673563a645de82231a55e221fe655b7188bf8369662Francois Pichet 36743896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor BalancedDelimiterTracker Braces(*this, tok::l_brace); 36753896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor if (Braces.consumeOpen()) { 3676651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 3677563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 3678563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 3679563a645de82231a55e221fe655b7188bf8369662Francois Pichet 36803896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor switch (Result.Behavior) { 36813896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Parse: 36823896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor // Parse the declarations below. 36833896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor break; 36843896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 36853896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Dependent: 36863896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Diag(Result.KeywordLoc, diag::warn_microsoft_dependent_exists) 36873896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor << Result.IsIfExists; 36883896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor // Fall through to skip. 36893896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 36903896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Skip: 36913896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Braces.skipToEnd(); 3692563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 3693563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 3694563a645de82231a55e221fe655b7188bf8369662Francois Pichet 3695651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines while (Tok.isNot(tok::r_brace) && !isEofOrEom()) { 3696563a645de82231a55e221fe655b7188bf8369662Francois Pichet // __if_exists, __if_not_exists can nest. 3697563a645de82231a55e221fe655b7188bf8369662Francois Pichet if ((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists))) { 3698563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 3699563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 3700563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 3701563a645de82231a55e221fe655b7188bf8369662Francois Pichet 3702563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Check for extraneous top-level semicolon. 3703563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::semi)) { 3704eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith ConsumeExtraSemi(InsideStruct, TagType); 3705563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 3706563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 3707563a645de82231a55e221fe655b7188bf8369662Francois Pichet 3708563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier AS = getAccessSpecifierIfPresent(); 3709563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (AS != AS_none) { 3710563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Current token is a C++ access specifier. 3711563a645de82231a55e221fe655b7188bf8369662Francois Pichet CurAS = AS; 3712563a645de82231a55e221fe655b7188bf8369662Francois Pichet SourceLocation ASLoc = Tok.getLocation(); 3713563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 3714563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::colon)) 3715563a645de82231a55e221fe655b7188bf8369662Francois Pichet Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 3716563a645de82231a55e221fe655b7188bf8369662Francois Pichet else 3717651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::colon; 3718563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 3719563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 3720563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 3721563a645de82231a55e221fe655b7188bf8369662Francois Pichet 3722563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Parse all the comma separated declarators. 37236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ParseCXXClassMemberDeclaration(CurAS, nullptr); 3724563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 37253896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 37263896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Braces.consumeClose(); 3727563a645de82231a55e221fe655b7188bf8369662Francois Pichet} 3728