ParseDeclCXX.cpp revision 13f8daf70637f8f295134ac8e089dd7721e09085
18f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===// 28f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 38f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// The LLVM Compiler Infrastructure 48f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 78f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 88f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 98f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// This file implements the C++ Declaration portions of the Parser interfaces. 118f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner// 128f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner//===----------------------------------------------------------------------===// 138f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 140c6139d0c2497c4e8780340e0dc097de041f248eAnders Carlsson#include "clang/Basic/OperatorKinds.h" 151b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor#include "clang/Parse/Parser.h" 16500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 20f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 21d167ca0d26e43292b8b9e8d5300d92784ae0e27dChris Lattner#include "RAIIObjectsForParser.h" 228f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattnerusing namespace clang; 238f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 248f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// ParseNamespace - We know that the current token is a namespace keyword. This 25d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// may either be a top level namespace or a block-level namespace alias. If 26d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// there was an inline keyword, it has already been parsed. 278f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 288f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-definition: [C++ 7.3: basic.namespace] 298f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition 308f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition 318f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 328f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// unnamed-namespace-definition: 33d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' attributes[opt] '{' namespace-body '}' 348f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 358f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// named-namespace-definition: 368f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition 378f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition 388f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 398f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// original-namespace-definition: 40d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' identifier attributes[opt] 41d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 428f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 438f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// extension-namespace-definition: 44d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// 'inline'[opt] 'namespace' original-namespace-name 45d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl/// '{' namespace-body '}' 461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 478f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// namespace-alias-definition: [C++ 7.3.2: namespace.alias] 488f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 'namespace' identifier '=' qualified-namespace-specifier ';' 498f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner/// 50d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespace(unsigned Context, 51d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd, 52d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation InlineLoc) { 5304d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner assert(Tok.is(tok::kw_namespace) && "Not a namespace!"); 548f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'. 559735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 56a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 5749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 5823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceDecl(getCurScope()); 597d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 607d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 6149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 62193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 638f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner SourceLocation IdentLoc; 648f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentifierInfo *Ident = 0; 65f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation> ExtraIdentLoc; 66f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<IdentifierInfo*> ExtraIdent; 67f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation> ExtraNamespaceLoc; 686a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor 696a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Token attrTok; 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7104d6666eee19bbf25bdfcb8e79eb8b00ace03f0cChris Lattner if (Tok.is(tok::identifier)) { 728f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner Ident = Tok.getIdentifierInfo(); 738f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner IdentLoc = ConsumeToken(); // eat the identifier. 74f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu while (Tok.is(tok::coloncolon) && NextToken().is(tok::identifier)) { 75f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraNamespaceLoc.push_back(ConsumeToken()); 76f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdent.push_back(Tok.getIdentifierInfo()); 77f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.push_back(ConsumeToken()); 78f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 798f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner } 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 818f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // Read label attributes, if present. 820b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 836a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::kw___attribute)) { 846a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor attrTok = Tok; 857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 866a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 886a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor if (Tok.is(tok::equal)) { 897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.empty()) 906a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor Diag(attrTok, diag::err_unexpected_namespace_attributes_alias); 91d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl if (InlineLoc.isValid()) 92d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Diag(InlineLoc, diag::err_inline_namespace_alias) 93d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl << FixItHint::CreateRemoval(InlineLoc); 949735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseNamespaceAlias(NamespaceLoc, IdentLoc, Ident, DeclEnd); 956a588dd230c14a364d222d6057bbcf11afbd9ffdDouglas Gregor } 961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 984a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 994a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 100f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 101f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 102f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 103f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 1055144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 106d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1075144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 11023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 11123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 112f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 113f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 114f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 115f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1164a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Diag(T.getOpenLocation(), diag::err_namespace_nonnamespace_scope); 11795f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 118d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 11995f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 12095f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 121f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 122f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TentativeParsingAction TPA(*this); 123f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu SkipUntil(tok::r_brace, /*StopAtSemi*/false, /*DontConsume*/true); 124f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Token rBraceToken = Tok; 125f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TPA.Revert(); 126f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 127f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!rBraceToken.is(tok::r_brace)) { 128f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 129f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 130f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } else { 1319910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer std::string NamespaceFix; 132f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu for (std::vector<IdentifierInfo*>::iterator I = ExtraIdent.begin(), 133f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu E = ExtraIdent.end(); I != E; ++I) { 134f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += " { namespace "; 135f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += (*I)->getName(); 136f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1379910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 138f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::string RBraces; 1399910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer for (unsigned i = 0, e = ExtraIdent.size(); i != e; ++i) 140f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu RBraces += "} "; 1419910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 142f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 143f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateReplacement(SourceRange(ExtraNamespaceLoc.front(), 144f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.back()), 145f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix) 146f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateInsertion(rBraceToken.getLocation(), RBraces); 147f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 148f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 149f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 15088e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 15188e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl if (!getLang().CPlusPlus0x && InlineLoc.isValid()) 15288e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl Diag(InlineLoc, diag::ext_inline_namespace); 15388e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1545144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1555144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1562d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 157d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 158acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, NamespaceLoc, 1594a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor IdentLoc, Ident, T.getOpenLocation(), 1604a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs.getList()); 1612d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 162f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, NamespcDecl, NamespaceLoc, 163f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing namespace"); 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 165f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse the contents of the namespace. This includes parsing recovery on 166f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // any improperly nested namespaces. 167f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(ExtraIdentLoc, ExtraIdent, ExtraNamespaceLoc, 0, 1684a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor InlineLoc, attrs, T); 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1705144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1715144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1728ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 1734a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor DeclEnd = T.getCloseLocation(); 1744a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnFinishNamespaceDef(NamespcDecl, DeclEnd); 1752d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 1765144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1778f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 178c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 179f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu/// ParseInnerNamespace - Parse the contents of a namespace. 180f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieuvoid Parser::ParseInnerNamespace(std::vector<SourceLocation>& IdentLoc, 181f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<IdentifierInfo*>& Ident, 182f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation>& NamespaceLoc, 183f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu unsigned int index, SourceLocation& InlineLoc, 184f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributes& attrs, 1854a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker &Tracker) { 186f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (index == Ident.size()) { 187f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 188f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributesWithRange attrs(AttrFactory); 189f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseCXX0XAttributes(attrs); 190f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseMicrosoftAttributes(attrs); 191f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseExternalDeclaration(attrs); 192f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1934a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1944a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // The caller is what called check -- we are simply calling 1954a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // the close for it. 1964a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Tracker.consumeClose(); 197f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 198f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu return; 199f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 200f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 201f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse improperly nested namespaces. 202f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseScope NamespaceScope(this, Scope::DeclScope); 203f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Decl *NamespcDecl = 204f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Actions.ActOnStartNamespaceDef(getCurScope(), SourceLocation(), 205f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceLoc[index], IdentLoc[index], 2064a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Ident[index], Tracker.getOpenLocation(), 2074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs.getList()); 208f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 209f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(IdentLoc, Ident, NamespaceLoc, ++index, InlineLoc, 2104a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor attrs, Tracker); 211f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 212f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceScope.Exit(); 213f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 2144a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnFinishNamespaceDef(NamespcDecl, Tracker.getCloseLocation()); 215f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu} 216f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 217f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 218f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 219f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 220d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 2210b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation AliasLoc, 2220b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall IdentifierInfo *Alias, 2230b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation &DeclEnd) { 224f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 226f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22849f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 22923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 2307d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2317d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 23249f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 233193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 234f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 235f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 236b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 237f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 238f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 239f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 240f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 241f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 242d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 243f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 244f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 245f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 24603bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 24703bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 249f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 25097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2516869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 2526869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 2531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 25503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 256f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 257f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 258c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 259c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 260c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 261c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 262c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 263c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 264c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 2657d64271b162eaf5cae264ff64465b28af623dc17Chris LattnerDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, unsigned Context) { 266c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 267193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 268453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 2695f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 270453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 271d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 272c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 273c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 274c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 275074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 276d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *LinkageSpec 27723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 278a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara DS.getSourceRange().getBegin(), 279d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 280a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara Tok.is(tok::l_brace) ? Tok.getLocation() 281074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 282074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 2830b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 2847f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 286193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 287074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 288f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // Reset the source range in DS, as the leading "extern" 289f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // does not really belong to the inner declaration ... 290f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeStart(SourceLocation()); 291f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeEnd(SourceLocation()); 292f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // ... but anyway remember that such an "extern" was seen. 29335f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2947f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 29523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 296074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 298f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 29963a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 30063a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 3017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 302bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 3034a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 3044a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 305f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 3060b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 3077f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 3087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 3097f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 310f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 311c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 3124a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 3137d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 3144a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 315c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 316e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 317f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 318f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 319d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 32078b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 32178b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 322c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith ParsedAttributesWithRange &attrs, 323c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 324f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 3259735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 3269735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 327f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 328f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 329f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 33049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 33123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 3327d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3337d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 33449f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 335193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 33678b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 33778b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 33878b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 33978b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 34078b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 34178b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 34278b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 34378b810559d89e996e00684335407443936ce34a1John McCall } 34478b810559d89e996e00684335407443936ce34a1John McCall 3459735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 34678b810559d89e996e00684335407443936ce34a1John McCall } 347bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 348162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 34978b810559d89e996e00684335407443936ce34a1John McCall 35078b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 3517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 3522f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 3539735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd, 354a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian AS_none, OwnedType); 355f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 356f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 357f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 358f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 359f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 360f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 361f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 362f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 363f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 364f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 365f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 366f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 367d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 36878b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 36978b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 3707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 371f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 372f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 373f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 374f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 375f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 37649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 37723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 3787d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3797d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 38049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 381193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 382f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 383f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 384b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 385f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 386f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 387f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 388f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 389f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 390823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 391f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 392f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 393f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 394f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 395d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 396f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 398823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 399823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 400823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 402823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 403bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 404bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 405bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 4067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 407bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 409823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 41097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 4116869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 4129ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 4139ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 4149ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 415f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 41623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 4177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 418f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 419f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 420162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// ParseUsingDeclaration - Parse C++ using-declaration or alias-declaration. 421162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// Assumes that 'using' was already seen. 422f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 423f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 424f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 4259cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 4269cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 427f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 428162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// alias-declaration: C++0x [decl.typedef]p2 429162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 'using' identifier = type-id ; 430162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 431d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 43278b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 43378b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 43478b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 435c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith AccessSpecifier AS, 436c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 4379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 4387ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 4399cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 4409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4419cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 44212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 4439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 4447ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 4459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 4469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 4479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 4489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 4499cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 4509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 452b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 4539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4549cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 4559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 4569cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 457d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 4589cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 4591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 460193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 46112c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 46212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 46312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 464193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 46512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 46612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 467193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 468b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 46912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 4709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 471d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 4729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 473193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 4740b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 475162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 476162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Maybe this is an alias-declaration. 477162e1c1b487352434552147967c3dd296ebee2f7Richard Smith bool IsAliasDecl = Tok.is(tok::equal); 478162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeResult TypeAlias; 479162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (IsAliasDecl) { 4803e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // TODO: Attribute support. C++0x attributes may appear before the equals. 4813e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Where can GNU attributes appear? 482162e1c1b487352434552147967c3dd296ebee2f7Richard Smith ConsumeToken(); 483162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 484162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (!getLang().CPlusPlus0x) 485162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Tok.getLocation(), diag::ext_alias_declaration); 486162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 4873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Type alias templates cannot be specialized. 4883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith int SpecKind = -1; 489536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::Template && 490536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith Name.getKind() == UnqualifiedId::IK_TemplateId) 4913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 0; 4923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) 4933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 1; 4943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 4953e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 2; 4963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind != -1) { 4973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SourceRange Range; 4983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind == 0) 4993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = SourceRange(Name.TemplateId->LAngleLoc, 5003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Name.TemplateId->RAngleLoc); 5013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 5023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = TemplateInfo.getSourceRange(); 5033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(Range.getBegin(), diag::err_alias_declaration_specialization) 5043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << SpecKind << Range; 5053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SkipUntil(tok::semi); 5063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return 0; 5073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 5083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 509162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Name must be an identifier. 510162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (Name.getKind() != UnqualifiedId::IK_Identifier) { 511162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Name.StartLocation, diag::err_alias_declaration_not_identifier); 512162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // No removal fixit: can't recover from this. 513162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SkipUntil(tok::semi); 514162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return 0; 515162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else if (IsTypeName) 516162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(TypenameLoc, diag::err_alias_declaration_not_identifier) 517162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SourceRange(TypenameLoc, 518162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SS.isNotEmpty() ? SS.getEndLoc() : TypenameLoc)); 519162e1c1b487352434552147967c3dd296ebee2f7Richard Smith else if (SS.isNotEmpty()) 520162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(SS.getBeginLoc(), diag::err_alias_declaration_not_identifier) 521162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SS.getRange()); 522162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5233e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TypeAlias = ParseTypeName(0, TemplateInfo.Kind ? 5243e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Declarator::AliasTemplateContext : 525cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::AliasDeclContext, AS, OwnedType); 526162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else 527162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Parse (optional) attributes (most likely GNU strong-using extension). 528162e1c1b487352434552147967c3dd296ebee2f7Richard Smith MaybeParseGNUAttributes(attrs); 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5309cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 5319cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 5329cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 533162e1c1b487352434552147967c3dd296ebee2f7Richard Smith !attrs.empty() ? "attributes list" : 534162e1c1b487352434552147967c3dd296ebee2f7Richard Smith IsAliasDecl ? "alias declaration" : "using declaration", 53512c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 5369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 53778b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 5383e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // In C++0x, alias-declarations can be templates: 539162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // template <...> using id = type; 5403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind && !IsAliasDecl) { 54178b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 54278b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 54378b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 54478b810559d89e996e00684335407443936ce34a1John McCall 54578b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 54678b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 54778b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 54878b810559d89e996e00684335407443936ce34a1John McCall return 0; 54978b810559d89e996e00684335407443936ce34a1John McCall } 55078b810559d89e996e00684335407443936ce34a1John McCall 551480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // "typename" keyword is allowed for identifiers only, 552480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // because it may be a type definition. 553480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor if (IsTypeName && Name.getKind() != UnqualifiedId::IK_Identifier) { 554480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor Diag(Name.getSourceRange().getBegin(), diag::err_typename_identifiers_only) 555480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor << FixItHint::CreateRemoval(SourceRange(TypenameLoc)); 556480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor // Proceed parsing, but reset the IsTypeName flag. 557480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor IsTypeName = false; 558480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor } 559480b53cfff18c40d10fcb09b0185a9b75dfd491eDouglas Gregor 5603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (IsAliasDecl) { 5613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 5623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith MultiTemplateParamsArg TemplateParamsArg(Actions, 5633e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->data() : 0, 5643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->size() : 0); 5653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return Actions.ActOnAliasDeclaration(getCurScope(), AS, TemplateParamsArg, 5663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith UsingLoc, Name, TypeAlias); 5673e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 568162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5698113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, 5707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, attrs.getList(), 5717f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IsTypeName, TypenameLoc); 572f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 573f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 574c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// ParseStaticAssertDeclaration - Parse C++0x or C1X static_assert-declaration. 575511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 576c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C++0x] static_assert-declaration: 577c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// static_assert ( constant-expression , string-literal ) ; 578c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// 579c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C1X] static_assert-declaration: 580c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// _Static_assert ( constant-expression , string-literal ) ; 581511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 582d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 583c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne assert((Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) && 584c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne "Not a static_assert declaration"); 585c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 586c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw__Static_assert) && !getLang().C1X) 587c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne Diag(Tok, diag::ext_c1x_static_assert); 588c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 589511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 5924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 593511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 594d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 595511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 598511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 599511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 600d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 601511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 603ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 604d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 605ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 606511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 607511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 608511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 609d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 610511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 614d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 615511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6164a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 6199ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 620511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6219ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 6229ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 623a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara AssertMessage.take(), 6244a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 625511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 626511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 6286fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 6296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 6306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 6316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 6326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 6336fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 6346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 6354a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 6364a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.expectAndConsume(diag::err_expected_lparen_after, 6374a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor "decltype", tok::r_paren)) { 6386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 6396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 6401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6436fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 6446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 6456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 646f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 64760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 6486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 6496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 6506fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 6516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 6544a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 6554a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 6566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 6576fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 6586fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 659fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 6606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 662fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 663fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 6646fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 6656fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 666db5d44b775c60166074acd184ca9f1981c10c2a7Sean Huntvoid Parser::ParseUnderlyingTypeSpecifier(DeclSpec &DS) { 667db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt assert(Tok.is(tok::kw___underlying_type) && 668db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "Not an underlying type specifier"); 669db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 670db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation StartLoc = ConsumeToken(); 6714a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 6724a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.expectAndConsume(diag::err_expected_lparen_after, 6734a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor "__underlying_type", tok::r_paren)) { 674db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 675db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 676db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 677db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt TypeResult Result = ParseTypeName(); 678db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Result.isInvalid()) { 679db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SkipUntil(tok::r_paren); 680db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 681db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 682db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 683db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt // Match the ')' 6844a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 6854a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 686db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 687db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 688db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt const char *PrevSpec = 0; 689db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt unsigned DiagID; 690ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (DS.SetTypeSpecType(DeclSpec::TST_underlyingType, StartLoc, PrevSpec, 691db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt DiagID, Result.release())) 692db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt Diag(StartLoc, DiagID) << PrevSpec; 693db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt} 694db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 69542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 69642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 69742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 6987f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 69942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 70042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 70142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 70242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 7037f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 70531a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 706059101f922de6eb765601459925f4c8914420b23Douglas Gregor CXXScopeSpec &SS) { 7077f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 7087f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 70925a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 710d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 711d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 712059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 7137f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 7147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 715b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 7167f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 7177f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 71831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 71931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 72031a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 72131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 7227f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 7237f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 7247f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 7257f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 7267f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 72742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 7281ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 72931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 73042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 73142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 73284d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 73384d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 73484d0a19828599e8623223632d59447fd498999cfDouglas Gregor 73584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 73684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 73784d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 73884d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 73984d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 74023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 741059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 74284d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 74384d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 74484d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 745193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 74684d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 74784d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 74884d0a19828599e8623223632d59447fd498999cfDouglas Gregor 749193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 75084d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 75184d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 752193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 75384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 75484d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 75584d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 75684d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 75784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 758059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 759193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 76084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 76184d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 76284d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 76384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 764193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 76584d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 76684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 76784d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 768b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 76984d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 77084d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 77184d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 77284d0a19828599e8623223632d59447fd498999cfDouglas Gregor 77342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 774059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 7759e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 7769e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true); 777193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 778124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 77931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 78042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 78142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 78242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 78384d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 7845606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7855606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 7860b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 7875606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 7885606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 789059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 7905606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7915606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 7925606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 7935606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 7945606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7955606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 7965606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 79742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 79842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 799e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 800e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 801e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 802d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 803e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 804e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 805e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 806e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 807e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 808e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 809e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 810e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 811e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 812e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 8131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 814e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 816e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 817e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 818e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 819e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 820e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 821e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 822e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 8241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 826e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 827e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 828e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 829e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 830e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 831e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 832e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 833e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 834e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 835e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 836e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 837e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 838e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 8394c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 8404c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 8414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 842d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 8434c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 8444c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 8454c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 8464c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 8474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 8484c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 8494c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 8504c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 8514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 852e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 853374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 854374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 85523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 8567d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 857374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 858193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 859926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 860926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 861926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 862926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 863926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 864926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 865926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 866926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 867926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 868926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 869926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 870926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 871926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 872926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 8730b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 874e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 875e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 8767f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 877e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 878f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 879b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 8807f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 881193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 882bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 883bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 884bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 8857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88720c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley if (TagType == DeclSpec::TST_struct && 888b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor !Tok.is(tok::identifier) && 889b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.getIdentifierInfo() && 890b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor (Tok.is(tok::kw___is_arithmetic) || 891b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_convertible) || 89220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_empty) || 893b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_floating_point) || 894b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_function) || 89520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_fundamental) || 896b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_integral) || 897b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_function_pointer) || 898b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_pointer) || 899b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pod) || 900b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pointer) || 901b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_same) || 902877222e2491bbc40a5c74cc100c540983f306b70Douglas Gregor Tok.is(tok::kw___is_scalar) || 903b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_signed) || 904b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_unsigned) || 905b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_void))) { 906688761409155b47c39eb5dae1b8c6c8a9f43307aDouglas Gregor // GNU libstdc++ 4.2 and libc++ use certain intrinsic names as the 907b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // name of struct templates, but some are keywords in GCC >= 4.3 908b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // and Clang. Therefore, when we see the token sequence "struct 909b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // X", make X into a normal identifier rather than a keyword, to 910b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // allow libstdc++ 4.2 and libc++ to work properly. 911646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 912b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 913b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 915eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 916aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 91708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 91808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 91908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 920193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 921b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 922207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 9239ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 92408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 92508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 92608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 927cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 9282cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 9292cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 930cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 931e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 932e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 93339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 934e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 935e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 936e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 937193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9385ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 939193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 9402cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 9412cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 9422cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 9432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 944059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 9452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 946314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 9472cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 9482cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 9492cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 9502cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 951193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9522cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 953c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 9542cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 9552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 9562cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 9572cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 9582cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 959193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 960193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 961c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 962c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 963c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 964c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 965c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 966c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 967193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 968c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 969c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 970c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 971c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 972c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 9732cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 974193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 9752cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 976193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 977c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 978c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 979c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 9802cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 9812cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 98239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 98325a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateId = takeTemplateIdAnnotation(Tok); 98439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 985cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 986059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 987059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 98839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 98939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 99039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 99139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 99239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 99339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 99439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 99539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 99639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 99939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 1000926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 1001926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 1002926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 100339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 1004cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 1005e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1006e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1007926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 1008926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 1009926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 1010926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 1011926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 101267d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 101367d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 1014cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // have to be treated differently. If we have 'struct foo {...', 10151d20927fd0a08c26ef0e86e26f42073fd582ff77Anders Carlsson // 'struct foo :...' or 'struct foo final[opt]' then this is a 1016cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // definition. Otherwise we have something like 'struct foo xyz', a reference. 1017d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 1018d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 1019d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 1020d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 1021d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 1022d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 1023f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 1024d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 1025f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1026cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson else if (Tok.is(tok::l_brace) || 1027cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 10288a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()) { 1029d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 1030d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 1031d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 1032d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 1033d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 1034d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 1035d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 1036d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 1037d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 1038f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 1039d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 1040d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 1041f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 1042d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 1043d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 1044f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 1045e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 1046f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1047e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1048207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 1049f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 1050207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 1051207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 1052207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 1053207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 1054207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 1055e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1056e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 1057e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 1058e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1059e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1060ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 1061d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 1062d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 10634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 1064402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 1065f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 10664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 10674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 10681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 106939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 107039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 10714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1072f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 10734d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 10744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 107523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 107645f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 10784d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 10804d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 10812b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 10821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 10844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 10867f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 108774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 108874256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 108974256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 109074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 109174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 1092f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 1093f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 109474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 1095059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, 1096059101f922de6eb765601459925f4c8914420b23Douglas Gregor StartLoc, 1097059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 1098059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 1099059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 1100059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 1101059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 1102059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->RAngleLoc); 11034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 11044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 11054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 11064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 11074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 11094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 11104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 11114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 11124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 11134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 11143f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 11154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 11164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 1117f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 11184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 11204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 11224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 11234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 1124849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 11254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 11274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 11284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 11294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 11314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 11344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 11354d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 11364d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 11374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 11394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 114023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 1141d023aec8907831a18d3514a95b843a7ee06b6b5eDouglas Gregor StartLoc, DS.getModulePrivateSpecLoc(), SS, 11422b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 114539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 11477f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 1148f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 1149cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 1150cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 11514d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 11523f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1153f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 11543f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 11553f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 11563f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 11573f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 11583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 11593f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 116023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 116145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 11631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 11647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 11659a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 11669a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 11679a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 11689a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 11699a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 11707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 11719a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 11729a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 11739a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 11743f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 11753f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1176f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 11773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 11783f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 11793f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 1180c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 1181c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1182a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 1183a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 1184a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 1185a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 1186a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 1187a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 1188a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 1189a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 11903f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 11919a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 11927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 1193e761230ae3751b525cadd8066c74ec278ee4ef57Douglas Gregor DS.getModulePrivateSpecLoc(), 1194a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams, Owned, IsDependent, false, 1195a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, clang::TypeResult()); 1196c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1197c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 1198c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 11999a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 12009a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 120123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1202193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 12039a34edb710917798aa30263374f624f13b594605John McCall } 12043f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1205e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1206e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1207f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1208bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1209cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 12108a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()); 121107952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1212212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 121307952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1214212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1215e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1216e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1217b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1218b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1219b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1220c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 12210daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(DeclSpec::TST_typename, StartLoc, 12220daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1223b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1224c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 12250daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(TagType, StartLoc, 12260daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 12270daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara PrevSpec, DiagID, TagOrTempResult.get(), Owned); 1228c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1229ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 123066e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 123166e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 12321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1233b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1234fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1235193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 12364ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 12374ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 12384ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 12394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 12404ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 12414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 12424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1243f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1244b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 12454ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1246b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 12474ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 124899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 124999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 125099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 125199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 125299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 125399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 125499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1255c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 125616acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1257b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1258b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1259b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1260b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1261b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1262b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1263b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 126499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 126599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 126699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 126799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 126899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 126999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 1270af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith case tok::kw_mutable: // struct foo {...} mutable x; 1271af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith case tok::kw_constexpr: // struct foo {...} constexpr x; 1272b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1273b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1274fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // almost no one actually writes code like this. If we see one of these, 1275b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1276b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1277b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1278b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1279b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1280b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1281b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1282b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1283b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1284b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1285b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1286b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1287b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1288b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 12894ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1290193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1291193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 12924ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1293b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1294b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1295b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1296b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1297193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1298cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith // C++ [temp]p3 In a template-declaration which defines a class, no 1299cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith // declarator is permitted. 1300cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith if (TemplateInfo.Kind) 1301cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith ExpectedSemi = true; 1302cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith 1303b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 13044ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 13054ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 13064ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 13074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 13084ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 13094ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 13104ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1311193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 13124ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 13134ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1314e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1315e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1317e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1318e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1319e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1320e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1321e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1322e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1323d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1324e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1325e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1326e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1327f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 13285f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1329f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1330e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1331e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1332f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 13335ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1334e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1335e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1336f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1337f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1338f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 13395ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1340e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1341e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1342e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1343e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1344e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1346e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1347e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1348e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1349f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1350f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1351beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1352e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1353e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1354e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1355e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1356e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1357e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1358e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1359e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1360e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1361e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1362e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1363e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1364e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1365d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1366e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1367e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1368e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1369e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1370e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1371e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1372e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1373e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1374e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1375e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1376e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 137792f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1378e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 13791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1380e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1381e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1382e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1383e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1384e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1385e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 13861ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1387849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1388e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1389e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1390e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1391e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1392e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1393eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1394eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1395b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1396e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1397e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1398e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 139942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 140042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 14017f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 1402059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, SS); 140331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 140442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 14051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1406f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1407f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1408f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1409f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1410f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1411f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1412f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 14147f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 14151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1416e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1417e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1418a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1419f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1420e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1421e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1422e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1423e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1424e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1425e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1426e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1427e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1428e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1430e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1431e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1432e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1433e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1434e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1435e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1436e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 14374cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1438d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1439d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1440d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1441d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1442d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1444075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1445d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1446d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1447d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1448d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1449d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1450d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1451d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 145223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1453d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1454d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1455d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1456d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1457d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1458d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 14598f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1460d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1461d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1462d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1463d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1464d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1465d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1466d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1467d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1468d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1469d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1470d33133cdc1af466f9c276249b2621be03867888bEli Friedman 14711f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// isCXX0XVirtSpecifier - Determine whether the next token is a C++0x 14721f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 14731f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 14741f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 14751f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 14761f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 1477cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonVirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier() const { 1478ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1479cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1480cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1481b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1482b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 14831f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 14847eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 14857eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 14867eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 14877eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 14887eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 14897eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1490b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1491b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 14921f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1493b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1494b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1495b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1496b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1497b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 14981f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 14991f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15001f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 15011f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 15021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 15031f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 15041f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1505b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 1506b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1507cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier Specifier = isCXX0XVirtSpecifier(); 1508b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1509b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1510b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1511b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1512b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1513cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 151446127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1515b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1516b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1517b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1518b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1519ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1520ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1521ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << VirtSpecifiers::getSpecifierName(Specifier); 1522b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1523b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 15241f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 15251f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15268a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// isCXX0XFinalKeyword - Determine whether the next token is a C++0x 15278a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// contextual 'final' keyword. 15288a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlssonbool Parser::isCXX0XFinalKeyword() const { 1529ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 15308a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1531cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 15328a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Tok.is(tok::identifier)) 15338a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1534cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 15358a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson // Initialize the contextual keywords. 15368a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Ident_final) { 15378a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 15388a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1539cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 15408a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson 15418a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return Tok.getIdentifierInfo() == Ident_final; 1542cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1543cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 15444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 15454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 15474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 15484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 15494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 15504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1551511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 15525aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1553bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 15544cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 15564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 15574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 15584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 15601f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 15614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 15627a614d8380297fcd2bc23986241905d97222948cRichard Smith/// [C++11] declarator brace-or-equal-initializer[opt] 15634cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 15644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15651f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 15661f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 15671f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 15681f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 15691f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 15701f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 15711f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 15721f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1573e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 15744cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 15754cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15764cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 15774cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 15784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 157937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1580c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1581c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 15828a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (Tok.is(tok::at)) { 15838a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (getLang().ObjC1 && NextToken().isObjCAtKeyword(tok::objc_defs)) 15848a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_defs_cxx); 15858a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor else 15868a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_in_class); 15878a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 15888a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor ConsumeToken(); 15898a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor SkipUntil(tok::r_brace); 15908a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor return; 15918a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor } 15928a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 159360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 159460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 159560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 15969ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 159760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 159860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 159960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 160060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 160160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 160260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 160360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 160460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 160560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 160660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1607b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 160860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 160960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 161060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1611b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 161260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 161360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 161460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 161560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 161660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 161760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 161860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 161960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 162060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 162160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 162260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 162323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 162460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 162560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 162660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 162760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 162860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 162960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 163060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 163160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 163260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1633511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1634c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) { 163537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 163697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 163797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1638682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1639682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1641682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 16421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 164337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 164497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 16464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1647682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1648682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 16495aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1650bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1651bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1652bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1653bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1654bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1655c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1656bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 16579cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16584ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 16594ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1660a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1661193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 16620b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 1663bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 16647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 16657f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1666bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 16679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 16687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 16691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16709cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 16719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 16729cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16739cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 16749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 16759cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1676ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 16779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 16783e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 167978b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 168078b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 16819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 16829cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 16839cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 16849cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 16864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1687c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 16887f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 168937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 16904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1691f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1692dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1693dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1694dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 16954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 16964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1697d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 16980f4be74ff0273e505d383f89174ef539828424edChandler Carruth Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS, TemplateParams); 1699c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 170067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 17014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 170207952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 170354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 17044867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 17054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1706eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Hold late-parsed attributes so we can attach a Decl to them later. 1707eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrList LateParsedAttrs; 1708eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 17093a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1710a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1711a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1712a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 17133a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 17143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 17153a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 171610bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 17173a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 1718d941fa4ff0d0d64b5a541dbd4f99693bff7f6e8dSebastian Redl SkipUntil(tok::r_brace, true, true); 17193a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 17203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1721682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17244867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseOptionalCXX0XVirtSpecifierSeq(VS); 17254867347e82648d3baf09524b98b09c297a5a198fNico Weber 17261b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 1727eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 17281b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 17296a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // MSVC permits pure specifier on inline functions declared at class scope. 17306a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // Hence check for =0 before checking for function definition. 1731147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor ExprResult Init; 173262ec1f2fd7368542bb926c04797fb07023547694Francois Pichet if (getLang().MicrosoftExt && Tok.is(tok::equal) && 17336a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet DeclaratorInfo.isFunctionDeclarator() && 17346a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet NextToken().is(tok::numeric_constant)) { 17356a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet ConsumeToken(); 17366a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet Init = ParseInitializer(); 17376a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (Init.isInvalid()) 17386a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet SkipUntil(tok::comma, true, true); 17396a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet } 17406a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet 1741e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt bool IsDefinition = false; 17423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 17437a614d8380297fcd2bc23986241905d97222948cRichard Smith // 17447a614d8380297fcd2bc23986241905d97222948cRichard Smith // In C++11, a non-function declarator followed by an open brace is a 17457a614d8380297fcd2bc23986241905d97222948cRichard Smith // braced-init-list for an in-class member initialization, not an 17467a614d8380297fcd2bc23986241905d97222948cRichard Smith // erroneous function definition. 17477a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) && !getLang().CPlusPlus0x) { 1748e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1749e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (DeclaratorInfo.isFunctionDeclarator()) { 17507a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) || Tok.is(tok::colon) || Tok.is(tok::kw_try)) { 1751e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1752e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (Tok.is(tok::equal)) { 1753e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 1754e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (KW.is(tok::kw_default) || KW.is(tok::kw_delete)) 1755e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1756e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1757e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1758e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1759e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (IsDefinition) { 17603a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 17613a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 17623a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 17633a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 17649ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 17659ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 17669ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 17679ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1768682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17693a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 17703a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 17713a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 17723a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 17733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 17743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 17753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 17763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 17773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 17789ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 17799ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 17809ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 17819ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1782682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17833a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 17844cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1785eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski Decl *FunDecl = 1786eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo, VS, Init); 1787eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 1788eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 1789eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs[i]->setDecl(FunDecl); 1790eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 1791eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 1792e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1793e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt // Consume the ';' - it's optional unless we have a delete or default 1794e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (Tok.is(tok::semi)) { 17959ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1796e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 17979ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1798682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17993a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 18004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 18034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 18044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 18054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18065f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> DeclsInGroup; 180760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 18084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 18104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 18114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 18127a614d8380297fcd2bc23986241905d97222948cRichard Smith // declarator brace-or-equal-initializer[opt] 18134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 18144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 18154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 18160e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 18170e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 18184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 18194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1821e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1822e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1823e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 182460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1825e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1826e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1827e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1828e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1829e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1830e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1831e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 18324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1833eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 18344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18357a614d8380297fcd2bc23986241905d97222948cRichard Smith // FIXME: When g++ adds support for this, we'll need to check whether it 18367a614d8380297fcd2bc23986241905d97222948cRichard Smith // goes before or after the GNU attributes and __asm__. 18377a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseOptionalCXX0XVirtSpecifierSeq(VS); 18387a614d8380297fcd2bc23986241905d97222948cRichard Smith 1839147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor bool HasInitializer = false; 18407a614d8380297fcd2bc23986241905d97222948cRichard Smith bool HasDeferredInitializer = false; 18417a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::equal) || Tok.is(tok::l_brace)) { 18427a614d8380297fcd2bc23986241905d97222948cRichard Smith if (BitfieldSize.get()) { 18437a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_bitfield_member_init); 18447a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 18457a614d8380297fcd2bc23986241905d97222948cRichard Smith } else { 1846147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor HasInitializer = true; 1847555f57e3549fb5cc963a2ce38180c4f3643a6f95Douglas Gregor HasDeferredInitializer = !DeclaratorInfo.isDeclarationOfFunction() && 18487a614d8380297fcd2bc23986241905d97222948cRichard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1849c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith != DeclSpec::SCS_static && 1850c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1851c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith != DeclSpec::SCS_typedef; 18527a614d8380297fcd2bc23986241905d97222948cRichard Smith } 18537a614d8380297fcd2bc23986241905d97222948cRichard Smith } 18547a614d8380297fcd2bc23986241905d97222948cRichard Smith 185507952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1856682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 185707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 185867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1859d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 186067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1861bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 186223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1863bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 186437b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 186523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 186667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 186737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 186867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 18692c712f50cd56eaf3662989b556e9c6b1e8fcd11aKaelyn Uhrain VS, HasDeferredInitializer); 187037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1871147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 1872eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Set the Decl for any late parsed attributes 1873eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 1874eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs[i]->setDecl(ThisDecl); 1875eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 1876eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 1877eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 1878147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // Handle the initializer. 18797a614d8380297fcd2bc23986241905d97222948cRichard Smith if (HasDeferredInitializer) { 1880147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // The initializer was deferred; parse it and cache the tokens. 18817a614d8380297fcd2bc23986241905d97222948cRichard Smith if (!getLang().CPlusPlus0x) 18827a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::warn_nonstatic_member_init_accepted_as_extension); 1883147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 18847a614d8380297fcd2bc23986241905d97222948cRichard Smith if (DeclaratorInfo.isArrayOfUnknownBound()) { 18857a614d8380297fcd2bc23986241905d97222948cRichard Smith // C++0x [dcl.array]p3: An array bound may also be omitted when the 18867a614d8380297fcd2bc23986241905d97222948cRichard Smith // declarator is followed by an initializer. 18877a614d8380297fcd2bc23986241905d97222948cRichard Smith // 18887a614d8380297fcd2bc23986241905d97222948cRichard Smith // A brace-or-equal-initializer for a member-declarator is not an 18897a614d8380297fcd2bc23986241905d97222948cRichard Smith // initializer in the gramamr, so this is ill-formed. 18907a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_incomplete_array_member_init); 18917a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 18927a614d8380297fcd2bc23986241905d97222948cRichard Smith // Avoid later warnings about a class member of incomplete type. 18937a614d8380297fcd2bc23986241905d97222948cRichard Smith ThisDecl->setInvalidDecl(); 18947a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 18957a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseCXXNonStaticMemberInitializer(ThisDecl); 1896147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } else if (HasInitializer) { 1897147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // Normal initializer. 1898147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor SourceLocation EqualLoc; 1899147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor ExprResult Init 1900147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor = ParseCXXMemberInitializer(DeclaratorInfo.isDeclarationOfFunction(), 1901147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor EqualLoc); 1902147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (Init.isInvalid()) 1903147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor SkipUntil(tok::comma, true, true); 1904147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor else if (ThisDecl) 1905147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.AddInitializerToDecl(ThisDecl, Init.get(), false, 1906147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DS.getTypeSpecType() == DeclSpec::TST_auto); 1907147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } else if (ThisDecl && DS.getStorageClassSpec() == DeclSpec::SCS_static) { 1908147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor // No initializer. 1909147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.ActOnUninitializedDecl(ThisDecl, 1910147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DS.getTypeSpecType() == DeclSpec::TST_auto); 19117a614d8380297fcd2bc23986241905d97222948cRichard Smith } 1912147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 1913147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (ThisDecl) { 1914147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor Actions.FinalizeDeclaration(ThisDecl); 1915147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclsInGroup.push_back(ThisDecl); 1916147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } 1917147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 1918147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 1919147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1920147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor != DeclSpec::SCS_typedef) { 1921147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 1922147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor } 1923147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor 1924147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor DeclaratorInfo.complete(ThisDecl); 19257a614d8380297fcd2bc23986241905d97222948cRichard Smith 19264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 19274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 19284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 19294cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 19324cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 19354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 19364867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 1937147545d698972cfd34ece30a5d55e8180784161eDouglas Gregor BitfieldSize = true; 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 19407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 19414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19423a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 19433a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 19444cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19454cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1946ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1947ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1948ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1949ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1950ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1951682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 19524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 195423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1955ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 19564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 19574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19587a614d8380297fcd2bc23986241905d97222948cRichard Smith/// ParseCXXMemberInitializer - Parse the brace-or-equal-initializer or 19597a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier. Also detect and reject any attempted defaulted/deleted 19607a614d8380297fcd2bc23986241905d97222948cRichard Smith/// function definition. The location of the '=', if any, will be placed in 19617a614d8380297fcd2bc23986241905d97222948cRichard Smith/// EqualLoc. 19627a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19637a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier: 19647a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '= 0' 19657a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19667a614d8380297fcd2bc23986241905d97222948cRichard Smith/// brace-or-equal-initializer: 19677a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' initializer-expression 19687a614d8380297fcd2bc23986241905d97222948cRichard Smith/// braced-init-list [TODO] 19697a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19707a614d8380297fcd2bc23986241905d97222948cRichard Smith/// initializer-clause: 19717a614d8380297fcd2bc23986241905d97222948cRichard Smith/// assignment-expression 19727a614d8380297fcd2bc23986241905d97222948cRichard Smith/// braced-init-list [TODO] 19737a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19747a614d8380297fcd2bc23986241905d97222948cRichard Smith/// defaulted/deleted function-definition: 19757a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'default' 19767a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'delete' 19777a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19787a614d8380297fcd2bc23986241905d97222948cRichard Smith/// Prior to C++0x, the assignment-expression in an initializer-clause must 19797a614d8380297fcd2bc23986241905d97222948cRichard Smith/// be a constant-expression. 19807a614d8380297fcd2bc23986241905d97222948cRichard SmithExprResult Parser::ParseCXXMemberInitializer(bool IsFunction, 19817a614d8380297fcd2bc23986241905d97222948cRichard Smith SourceLocation &EqualLoc) { 19827a614d8380297fcd2bc23986241905d97222948cRichard Smith assert((Tok.is(tok::equal) || Tok.is(tok::l_brace)) 19837a614d8380297fcd2bc23986241905d97222948cRichard Smith && "Data member initializer not starting with '=' or '{'"); 19847a614d8380297fcd2bc23986241905d97222948cRichard Smith 19857a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::equal)) { 19867a614d8380297fcd2bc23986241905d97222948cRichard Smith EqualLoc = ConsumeToken(); 19877a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::kw_delete)) { 19887a614d8380297fcd2bc23986241905d97222948cRichard Smith // In principle, an initializer of '= delete p;' is legal, but it will 19897a614d8380297fcd2bc23986241905d97222948cRichard Smith // never type-check. It's better to diagnose it as an ill-formed expression 19907a614d8380297fcd2bc23986241905d97222948cRichard Smith // than as an ill-formed deleted non-function member. 19917a614d8380297fcd2bc23986241905d97222948cRichard Smith // An initializer of '= delete p, foo' will never be parsed, because 19927a614d8380297fcd2bc23986241905d97222948cRichard Smith // a top-level comma always ends the initializer expression. 19937a614d8380297fcd2bc23986241905d97222948cRichard Smith const Token &Next = NextToken(); 19947a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction || Next.is(tok::semi) || Next.is(tok::comma) || 19957a614d8380297fcd2bc23986241905d97222948cRichard Smith Next.is(tok::eof)) { 19967a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 19977a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_delete_in_multiple_declaration) 19987a614d8380297fcd2bc23986241905d97222948cRichard Smith << 1 /* delete */; 19997a614d8380297fcd2bc23986241905d97222948cRichard Smith else 20007a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_deleted_non_function); 20017a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprResult(); 20027a614d8380297fcd2bc23986241905d97222948cRichard Smith } 20037a614d8380297fcd2bc23986241905d97222948cRichard Smith } else if (Tok.is(tok::kw_default)) { 20047a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 20057a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_default_delete_in_multiple_declaration) 20067a614d8380297fcd2bc23986241905d97222948cRichard Smith << 0 /* default */; 20077a614d8380297fcd2bc23986241905d97222948cRichard Smith else 20087a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_special_members); 20097a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprResult(); 20107a614d8380297fcd2bc23986241905d97222948cRichard Smith } 20117a614d8380297fcd2bc23986241905d97222948cRichard Smith 20127a614d8380297fcd2bc23986241905d97222948cRichard Smith return ParseInitializer(); 20137a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 20147a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprError(Diag(Tok, diag::err_generalized_initializer_lists)); 20157a614d8380297fcd2bc23986241905d97222948cRichard Smith} 20167a614d8380297fcd2bc23986241905d97222948cRichard Smith 20174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 20184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 20204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 20214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 20224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 2024d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 202531fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 20264cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 202731fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 20284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2029f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 2030f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 20311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 203326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 203426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 203526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 203623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 203726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 203826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 203926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 204026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 204126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 204226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 204326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 204426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 204526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 204626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 204726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 204826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 204926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 205026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 205126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 205226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 205326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 205426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 20554cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 20573218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 20584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20596569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 206026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 20616569d68745c8213709740337d2be52b031384f58Douglas Gregor 2062ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 206323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 2064bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2065b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson SourceLocation FinalLoc; 2066b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2067b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Parse the optional 'final' keyword. 2068b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (getLang().CPlusPlus && Tok.is(tok::identifier)) { 2069b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 2070b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2071b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Initialize the contextual keywords. 2072b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (!Ident_final) { 2073b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 2074b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 2075b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 2076b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2077b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (II == Ident_final) 2078b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson FinalLoc = ConsumeToken(); 2079b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2080b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (!getLang().CPlusPlus0x) 2081b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Diag(FinalLoc, diag::ext_override_control_keyword) << "final"; 2082b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 2083cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 2084bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 2085bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 2086bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2087bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 2088bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 2089db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 2090db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 209123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 2092bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 2093bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2094bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2095bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2096bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 20974a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 20984a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2099bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 210042a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 21012c3ee54e51d835a35bbf781c69e17f39e2ba0480Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, FinalLoc, 21024a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation()); 2103f9368159334ff86ea5fa367225c1a580977f3b03John McCall 21044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 21054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 21064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 21074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 21084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 21094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 21104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 21114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 21124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 211307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 211407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 211507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 211607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 211707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 211862ec1f2fd7368542bb926c04797fb07023547694Francois Pichet if (getLang().MicrosoftExt && (Tok.is(tok::kw___if_exists) || 2119563a645de82231a55e221fe655b7188bf8369662Francois Pichet Tok.is(tok::kw___if_not_exists))) { 2120563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2121563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2122563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2123563a645de82231a55e221fe655b7188bf8369662Francois Pichet 212407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 212507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 212607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 212707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 212807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 212907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 213007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 213107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 21321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 213307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 213407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 213507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 213607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 213707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 213813f8daf70637f8f295134ac8e089dd7721e09085David Blaikie unsigned TokLength = Tok.getLength(); 213907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 214013f8daf70637f8f295134ac8e089dd7721e09085David Blaikie SourceLocation EndLoc; 214113f8daf70637f8f295134ac8e089dd7721e09085David Blaikie if (Tok.is(tok::colon)) { 214213f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = Tok.getLocation(); 214313f8daf70637f8f295134ac8e089dd7721e09085David Blaikie ConsumeToken(); 214413f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } else if (Tok.is(tok::semi)) { 214513f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = Tok.getLocation(); 214613f8daf70637f8f295134ac8e089dd7721e09085David Blaikie ConsumeToken(); 214713f8daf70637f8f295134ac8e089dd7721e09085David Blaikie Diag(EndLoc, diag::err_expected_colon) 214813f8daf70637f8f295134ac8e089dd7721e09085David Blaikie << FixItHint::CreateReplacement(EndLoc, ":"); 214913f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } else { 215013f8daf70637f8f295134ac8e089dd7721e09085David Blaikie EndLoc = ASLoc.getLocWithOffset(TokLength); 215113f8daf70637f8f295134ac8e089dd7721e09085David Blaikie Diag(EndLoc, diag::err_expected_colon) 215213f8daf70637f8f295134ac8e089dd7721e09085David Blaikie << FixItHint::CreateInsertion(EndLoc, ":"); 215313f8daf70637f8f295134ac8e089dd7721e09085David Blaikie } 215413f8daf70637f8f295134ac8e089dd7721e09085David Blaikie Actions.ActOnAccessSpecifier(AS, ASLoc, EndLoc); 215507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 215607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 21574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 215807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 21594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 216007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 216107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 216207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 21631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21644a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 216507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 216607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 21674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 21681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21694cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 21700b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 21717f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 21724cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 217342a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 217423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 21754a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 21764a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation(), 21777f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 21784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 21797a614d8380297fcd2bc23986241905d97222948cRichard Smith // C++0x [class.mem]p2: Within the class member-specification, the class is 21807a614d8380297fcd2bc23986241905d97222948cRichard Smith // regarded as complete within function bodies, default arguments, exception- 21817a614d8380297fcd2bc23986241905d97222948cRichard Smith // specifications, and brace-or-equal-initializers for non-static data 21827a614d8380297fcd2bc23986241905d97222948cRichard Smith // members (including such things in nested classes). 21834cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 21847a614d8380297fcd2bc23986241905d97222948cRichard Smith // FIXME: Only function bodies and brace-or-equal-initializers are currently 21857a614d8380297fcd2bc23986241905d97222948cRichard Smith // handled. Fix the others! 218607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 21874cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 218872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 2189eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // declarations and the lexed inline method definitions, along with any 2190eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // delayed attributes. 2191e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 2192eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski ParseLexedAttributes(getCurrentClass()); 21936569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 21947a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseLexedMemberInitializers(getCurrentClass()); 21956569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 2196e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 21974cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 21984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 219942a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 22004a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, 22014a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation()); 2202db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 22034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 22046569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 22058935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 22064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 22077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 22087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 22097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 22107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 22117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 22127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 22147ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 22157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 22167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 22177ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 22187ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 22197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 22207ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 22217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 22227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 22241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 22257ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 22273fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 22283fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 2229d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 22307ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 22317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 223228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley // Poison the SEH identifiers so they are flagged as illegal in constructor initializers 223328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); 22347ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 22351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22365f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXCtorInitializer*, 4> MemInitializers; 22379db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 2238193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 22397ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 22400133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 22410133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 22420133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 22430133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 22447d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 22450133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 22460133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 22470133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 22480133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 22490133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 22500133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 22510133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 22520133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 22537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 22547ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 22557ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 22567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 2257b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 2258b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 2259751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 2260751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 2261751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 2262751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 2263751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 22647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 2265d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 22667ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 22677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 22687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 22697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 22707ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 22711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 22729db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 22739db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 22747ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 22757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 22767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 22777ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 22787ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 22797ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 22807ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22817ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 22827ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 2283dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] mem-initializer-id braced-init-list 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22857ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 22867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 22877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 2288d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 2289bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 2290bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 2291b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 2292b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 2293961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 229425a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 2295d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 2296d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 2297059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 2298961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 2299b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 2300961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2301961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2302961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 23031ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 23047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 23057ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 23087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 2309961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 23107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 23117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 23127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 2313dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::l_brace)) { 23146df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl ExprResult InitList = ParseBraceInitializer(); 23156df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl if (InitList.isInvalid()) 23166df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl return true; 23176df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl 23186df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl SourceLocation EllipsisLoc; 23196df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl if (Tok.is(tok::ellipsis)) 23206df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl EllipsisLoc = ConsumeToken(); 23216df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl 23226df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 23236df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl TemplateTypeTy, IdLoc, InitList.take(), 23246df6548e44a61c444bd85dccd0398cba047c79b1Sebastian Redl EllipsisLoc); 2325dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } else if(Tok.is(tok::l_paren)) { 23264a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 23274a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2328dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 2329dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // Parse the optional expression-list. 2330dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ExprVector ArgExprs(Actions); 2331dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl CommaLocsTy CommaLocs; 2332dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 2333dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SkipUntil(tok::r_paren); 2334dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 2335dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 23367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 23374a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 23387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2339dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation EllipsisLoc; 2340dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.is(tok::ellipsis)) 2341dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl EllipsisLoc = ConsumeToken(); 23427ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2343dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 2344dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl TemplateTypeTy, IdLoc, 23454a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), ArgExprs.take(), 23464a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor ArgExprs.size(), T.getCloseLocation(), 2347dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl EllipsisLoc); 2348dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 2349dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 2350dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl Diag(Tok, getLang().CPlusPlus0x ? diag::err_expected_lparen_or_lbrace 2351dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl : diag::err_expected_lparen); 2352dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 23537ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 23540fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 23557acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 23560fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 2357a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 23587acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 23597acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 23607acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 23617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 23627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 23637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 23647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 23657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlParser::MaybeParseExceptionSpecification(SourceRange &SpecificationRange, 23665f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &DynamicExceptions, 23675f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 23687acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr) { 23697acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 23707acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23717acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 23727acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 23737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 23747acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 23757acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 23767acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 23777acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 23787acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 23797acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23807acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 23817acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 23827acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 23837acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23847acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 23857acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 23867acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 23877acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 23887acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23897acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 23907acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 23917acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 23924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 23934a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 23947acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 23957acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 239660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // The argument must be contextually convertible to bool. We use 239760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // ActOnBooleanCondition for this purpose. 239860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr.isInvalid()) 239960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr = Actions.ActOnBooleanCondition(getCurScope(), KeywordLoc, 240060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr.get()); 24014a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 24024a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor NoexceptRange = SourceRange(KeywordLoc, T.getCloseLocation()); 24037acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 24047acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 24057acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 24067acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 24077acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 24087acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 24097acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 24107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 24117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 24127acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 24137acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 24147acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 24157acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 24167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 24177acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 24187acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 24197acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 24207acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 24217acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 24227acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 24237acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 24247acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 24257acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 24267acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 24277acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 24287acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 24297acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 24307acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 2431a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 2432a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 24331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2434a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 2435a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 2436a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 24370fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 24387acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 24397acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 24405f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &Exceptions, 24415f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &Ranges) { 24420fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 24431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24447acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 24454a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 24464a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 24477acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 24487acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 244960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_DynamicNone; 24500fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 24510fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 2452a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 2453a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 2454a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 2455a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 245662ec1f2fd7368542bb926c04797fb07023547694Francois Pichet if (!getLang().MicrosoftExt) 2457a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 24584a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 24594a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SpecificationRange.setEnd(T.getCloseLocation()); 246060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_MSAny; 2461a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 2462a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 24630fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 2464ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 24650fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 2466ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 24677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2468a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 2469a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 2470a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 2471a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 2472a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 24737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 2474a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 2475a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 2476a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 24777acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2478ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 24797dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 2480ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 2481ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 2482a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 24830fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 24840fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 24857dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 24860fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 24870fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 24880fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 24894a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 24904a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SpecificationRange.setEnd(T.getCloseLocation()); 249160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return Exceptions.empty() ? EST_DynamicNone : EST_Dynamic; 24920fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 24936569d68745c8213709740337d2be52b031384f58Douglas Gregor 2494dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 2495dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2496ae7902c4293d9de8b9591759513f0d075f45022aDouglas GregorTypeResult Parser::ParseTrailingReturnType(SourceRange &Range) { 2497dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2498dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2499dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2500dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2501dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2502dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2503dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2504dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2505dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2506dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2507dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2508dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2509dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2510dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 25116569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 25126569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 25136569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2514eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 2515eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 251626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 25176569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 251826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 2519eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 25206569d68745c8213709740337d2be52b031384f58Douglas Gregor} 25216569d68745c8213709740337d2be52b031384f58Douglas Gregor 25226569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 25236569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 25246569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2525d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2526d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 25276569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 25286569d68745c8213709740337d2be52b031384f58Douglas Gregor} 25296569d68745c8213709740337d2be52b031384f58Douglas Gregor 25306569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 25316569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 25326569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 25336569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 25346569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 25356569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 25366569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 25376569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 25386569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 2539eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 25406569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 25411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2542eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 2543eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 25446569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 25456569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 25466569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 25476569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 25486569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 25496569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 25506569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 25526569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 25536569d68745c8213709740337d2be52b031384f58Douglas Gregor 2554d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 25556569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 25566569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 25576569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 25586569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2559d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 25606569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 25616569d68745c8213709740337d2be52b031384f58Douglas Gregor } 25626569d68745c8213709740337d2be52b031384f58Douglas Gregor 25636569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 25646569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 25656569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 256623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2567d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 256823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 25696569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2570bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 25713497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// ParseCXX0XAttributeSpecifier - Parse a C++0x attribute-specifier. Currently 25723497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// only parses standard attributes. 2573bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2574bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2575bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 257682d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne/// alignment-specifier 2577bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2578bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2579bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2580bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2581bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2582bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2583bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2584bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2585bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2586bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2587bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2588bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2589bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2590bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2591bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2592bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2593bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2594bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2595bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2596bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2597bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2598bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2599bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2600bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2601bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2602bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2603bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2604bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2605bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2606bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 26073497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbournevoid Parser::ParseCXX0XAttributeSpecifier(ParsedAttributes &attrs, 26083497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation *endLoc) { 260982d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne if (Tok.is(tok::kw_alignas)) { 261082d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne ParseAlignmentSpecifier(attrs, endLoc); 261182d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne return; 261282d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne } 261382d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne 2614bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2615bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2616bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2617bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2618bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2619193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2620bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2621bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2622bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2623bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2624bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2625bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2626bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2627bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2628bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2629bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2630bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2631bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2632bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2633bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2634193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2635bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2636bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2637bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2638bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2639bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2640bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2641bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2642bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2643bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2644193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2645bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2646bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2647bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2648bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2649bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2650bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2651bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2652bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2653bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2654bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2655bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2656bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2657bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2658bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 26597725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 266015e14a289583616e582a23b320933e846a742626Anders Carlsson case AttributeList::AT_noreturn: { 2661bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2662bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2663bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2664bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2665bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2666bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 26670b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 0, 26680b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation(), 0, 0, false, true); 2669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2670bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2671bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2672bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2673bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2674bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2675bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2676bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2677bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2678bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2679bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2680bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2681bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2682bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2683bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2684bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2685bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2686bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2687bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 26883497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne if (endLoc) 26893497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne *endLoc = Tok.getLocation(); 2690bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2691bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 26923497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne} 26933497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne 26943497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier-seq. 26953497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// 26963497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// attribute-specifier-seq: 26973497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne/// attribute-specifier-seq[opt] attribute-specifier 26983497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbournevoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 26993497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation *endLoc) { 27003497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne SourceLocation StartLoc = Tok.getLocation(), Loc; 27013497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne if (!endLoc) 27023497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne endLoc = &Loc; 27033497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne 27048828ee7faa42f889ade3bb635dc5f1338be671b1Douglas Gregor do { 27053497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne ParseCXX0XAttributeSpecifier(attrs, endLoc); 27068828ee7faa42f889ade3bb635dc5f1338be671b1Douglas Gregor } while (isCXX0XAttributeSpecifier()); 2707bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 27083497fdfdb742f55d7b7ec8e22779fb08962b8441Peter Collingbourne attrs.Range = SourceRange(StartLoc, *endLoc); 2709bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2710bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2711334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2712334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2713334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2714334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2715334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2716334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2717334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2718334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 27197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 27207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2721334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2722334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2723334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2724334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2725334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 27267f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2727334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2728334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2729334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2730563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2731563a645de82231a55e221fe655b7188bf8369662Francois Pichetvoid Parser::ParseMicrosoftIfExistsClassDeclaration(DeclSpec::TST TagType, 2732563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier& CurAS) { 2733563a645de82231a55e221fe655b7188bf8369662Francois Pichet bool Result; 2734563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (ParseMicrosoftIfExistsCondition(Result)) 2735563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2736563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2737563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.isNot(tok::l_brace)) { 2738563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_lbrace); 2739563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2740563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2741563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeBrace(); 2742563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2743563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Condition is false skip all inside the {}. 2744563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (!Result) { 2745563a645de82231a55e221fe655b7188bf8369662Francois Pichet SkipUntil(tok::r_brace, false); 2746563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2747563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2748563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2749563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Condition is true, parse the declaration. 2750563a645de82231a55e221fe655b7188bf8369662Francois Pichet while (Tok.isNot(tok::r_brace)) { 2751563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2752563a645de82231a55e221fe655b7188bf8369662Francois Pichet // __if_exists, __if_not_exists can nest. 2753563a645de82231a55e221fe655b7188bf8369662Francois Pichet if ((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists))) { 2754563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2755563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2756563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2757563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2758563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Check for extraneous top-level semicolon. 2759563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::semi)) { 2760563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::ext_extra_struct_semi) 2761563a645de82231a55e221fe655b7188bf8369662Francois Pichet << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 2762563a645de82231a55e221fe655b7188bf8369662Francois Pichet << FixItHint::CreateRemoval(Tok.getLocation()); 2763563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2764563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2765563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2766563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2767563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier AS = getAccessSpecifierIfPresent(); 2768563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (AS != AS_none) { 2769563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Current token is a C++ access specifier. 2770563a645de82231a55e221fe655b7188bf8369662Francois Pichet CurAS = AS; 2771563a645de82231a55e221fe655b7188bf8369662Francois Pichet SourceLocation ASLoc = Tok.getLocation(); 2772563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2773563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::colon)) 2774563a645de82231a55e221fe655b7188bf8369662Francois Pichet Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 2775563a645de82231a55e221fe655b7188bf8369662Francois Pichet else 2776563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_colon); 2777563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2778563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2779563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2780563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2781563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Parse all the comma separated declarators. 2782563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseCXXClassMemberDeclaration(CurAS); 2783563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2784563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2785563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.isNot(tok::r_brace)) { 2786563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_rbrace); 2787563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2788563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2789563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeBrace(); 2790563a645de82231a55e221fe655b7188bf8369662Francois Pichet} 2791