ParseDeclCXX.cpp revision e761230ae3751b525cadd8066c74ec278ee4ef57
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 985144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner if (Tok.isNot(tok::l_brace)) { 99f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 100f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 101f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 102f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tok, Ident ? diag::err_expected_lbrace : 1045144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner diag::err_expected_ident_lbrace); 105d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1065144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner } 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1085144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner SourceLocation LBrace = ConsumeBrace(); 1092d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 11023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (getCurScope()->isClassScope() || getCurScope()->isTemplateParamScope() || 11123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->isInObjcMethodScope() || getCurScope()->getBlockParent() || 11223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope()->getFnParent()) { 113f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 114f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 115f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 116f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 11795f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor Diag(LBrace, diag::err_namespace_nonnamespace_scope); 11895f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor SkipUntil(tok::r_brace, false); 119d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12095f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor } 12195f1b15ce1b281c8517d77792abe540753fbcc12Douglas Gregor 122f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!ExtraIdent.empty()) { 123f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TentativeParsingAction TPA(*this); 124f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu SkipUntil(tok::r_brace, /*StopAtSemi*/false, /*DontConsume*/true); 125f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Token rBraceToken = Tok; 126f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu TPA.Revert(); 127f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 128f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (!rBraceToken.is(tok::r_brace)) { 129f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 130f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back()); 131f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } else { 1329910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer std::string NamespaceFix; 133f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu for (std::vector<IdentifierInfo*>::iterator I = ExtraIdent.begin(), 134f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu E = ExtraIdent.end(); I != E; ++I) { 135f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += " { namespace "; 136f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix += (*I)->getName(); 137f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 1389910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 139f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::string RBraces; 1409910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer for (unsigned i = 0, e = ExtraIdent.size(); i != e; ++i) 141f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu RBraces += "} "; 1429910df05e9b5f03043f4d8dc12ea1bbb722664dfBenjamin Kramer 143f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Diag(ExtraNamespaceLoc[0], diag::err_nested_namespaces_with_double_colon) 144f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateReplacement(SourceRange(ExtraNamespaceLoc.front(), 145f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ExtraIdentLoc.back()), 146f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceFix) 147f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu << FixItHint::CreateInsertion(rBraceToken.getLocation(), RBraces); 148f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 149f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 150f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 15188e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl // If we're still good, complain about inline namespaces in non-C++0x now. 15288e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl if (!getLang().CPlusPlus0x && InlineLoc.isValid()) 15388e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl Diag(InlineLoc, diag::ext_inline_namespace); 15488e64ca96d6c00c6f3bd43772cd325bede795d2aSebastian Redl 1555144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Enter a scope for the namespace. 1565144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner ParseScope NamespaceScope(this, Scope::DeclScope); 1572d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 158d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *NamespcDecl = 159acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara Actions.ActOnStartNamespaceDef(getCurScope(), InlineLoc, NamespaceLoc, 160acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara IdentLoc, Ident, LBrace, attrs.getList()); 1612d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 162f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, NamespcDecl, NamespaceLoc, 163f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing namespace"); 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 165f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu SourceLocation RBraceLoc; 166f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse the contents of the namespace. This includes parsing recovery on 167f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // any improperly nested namespaces. 168f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(ExtraIdentLoc, ExtraIdent, ExtraNamespaceLoc, 0, 169f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu InlineLoc, LBrace, attrs, RBraceLoc); 1701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1715144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner // Leave the namespace scope. 1725144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner NamespaceScope.Exit(); 1738ba5d792032f475eb653ca6340eb51068df0fa90Argyrios Kyrtzidis 17497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 1752d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 17697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = RBraceLoc; 1775144832ae62cf97543b274d4bb88d5f74d0f7a20Chris Lattner return NamespcDecl; 1788f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner} 179c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 180f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu/// ParseInnerNamespace - Parse the contents of a namespace. 181f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieuvoid Parser::ParseInnerNamespace(std::vector<SourceLocation>& IdentLoc, 182f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<IdentifierInfo*>& Ident, 183f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu std::vector<SourceLocation>& NamespaceLoc, 184f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu unsigned int index, SourceLocation& InlineLoc, 185f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu SourceLocation& LBrace, 186f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributes& attrs, 187f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu SourceLocation& RBraceLoc) { 188f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu if (index == Ident.size()) { 189f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 190f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParsedAttributesWithRange attrs(AttrFactory); 191f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseCXX0XAttributes(attrs); 192f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu MaybeParseMicrosoftAttributes(attrs); 193f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseExternalDeclaration(attrs); 194f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 195f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBrace); 196f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 197f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu return; 198f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu } 199f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 200f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu // Parse improperly nested namespaces. 201f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseScope NamespaceScope(this, Scope::DeclScope); 202f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Decl *NamespcDecl = 203f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Actions.ActOnStartNamespaceDef(getCurScope(), SourceLocation(), 204f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceLoc[index], IdentLoc[index], 205f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Ident[index], LBrace, attrs.getList()); 206f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 207f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu ParseInnerNamespace(IdentLoc, Ident, NamespaceLoc, ++index, InlineLoc, 208f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu LBrace, attrs, RBraceLoc); 209f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 210f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu NamespaceScope.Exit(); 211f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 212f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu Actions.ActOnFinishNamespaceDef(NamespcDecl, RBraceLoc); 213f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu} 214f858bd817e8d6eac58ae496fa96a2f508fbb286fRichard Trieu 215f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// ParseNamespaceAlias - Parse the part after the '=' in a namespace 216f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// alias definition. 217f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson/// 218d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseNamespaceAlias(SourceLocation NamespaceLoc, 2190b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation AliasLoc, 2200b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall IdentifierInfo *Alias, 2210b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation &DeclEnd) { 222f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson assert(Tok.is(tok::equal) && "Not equal token"); 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 224f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson ConsumeToken(); // eat the '='. 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22649f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 22723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteNamespaceAliasDecl(getCurScope()); 2287d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2297d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 23049f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 231193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 232f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson CXXScopeSpec SS; 233f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse (optional) nested-name-specifier. 234b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 235f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 236f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 237f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson Diag(Tok, diag::err_expected_namespace_name); 238f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Skip to end of the definition and eat the ';'. 239f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson SkipUntil(tok::semi); 240d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 241f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson } 242f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 243f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Parse identifier. 24403bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson IdentifierInfo *Ident = Tok.getIdentifierInfo(); 24503bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SourceLocation IdentLoc = ConsumeToken(); 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 247f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson // Eat the ';'. 24897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 2496869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_namespace_name, 2506869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner "", tok::semi); 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnNamespaceAliasDef(getCurScope(), NamespaceLoc, AliasLoc, Alias, 25303bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson SS, IdentLoc, Ident); 254f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson} 255f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 256c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// ParseLinkage - We know that the current token is a string_literal 257c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// and just before that, that extern was seen. 258c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 259c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// linkage-specification: [C++ 7.5p2: dcl.link] 260c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal '{' declaration-seq[opt] '}' 261c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 'extern' string-literal declaration 262c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner/// 2637d64271b162eaf5cae264ff64465b28af623dc17Chris LattnerDecl *Parser::ParseLinkage(ParsingDeclSpec &DS, unsigned Context) { 264c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor assert(Tok.is(tok::string_literal) && "Not a string literal!"); 265193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam llvm::SmallString<8> LangBuffer; 266453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor bool Invalid = false; 2675f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Lang = PP.getSpelling(Tok, LangBuffer, &Invalid); 268453091cc2082e207ea2c2dda645a9bc01b37fb0cDouglas Gregor if (Invalid) 269d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 270c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 271c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner SourceLocation Loc = ConsumeStringToken(); 272c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 273074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor ParseScope LinkageScope(this, Scope::DeclScope); 274d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *LinkageSpec 27523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnStartLinkageSpecification(getCurScope(), 276a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara DS.getSourceRange().getBegin(), 277d56638180014e60538cd666cd11fde6d4698e051Benjamin Kramer Loc, Lang, 278a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara Tok.is(tok::l_brace) ? Tok.getLocation() 279074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor : SourceLocation()); 280074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor 2810b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 2827f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 2837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 284193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 285074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor if (Tok.isNot(tok::l_brace)) { 286f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // Reset the source range in DS, as the leading "extern" 287f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // does not really belong to the inner declaration ... 288f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeStart(SourceLocation()); 289f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara DS.SetRangeEnd(SourceLocation()); 290f41e33c29cd4b21065956129d5e923f3d73d97d3Abramo Bagnara // ... but anyway remember that such an "extern" was seen. 29135f9a196ef897b9559de25aaecd957208f0b4f59Abramo Bagnara DS.setExternInLinkageSpec(true); 2927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs, &DS); 29323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 294074149e11baf5f7db12f84efd5c34ba6e35d5cdfDouglas Gregor SourceLocation()); 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 296f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor 29763a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor DS.abort(); 29863a011378d4b9483ce24400c163cb8d65ea096a5Douglas Gregor 2997f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 300bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 301f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation LBrace = ConsumeBrace(); 302f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 3030b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 3047f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 3057f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 3067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseExternalDeclaration(attrs); 307f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor } 308c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 309f44515a49b549171dc3ee9faa6281b72609da563Douglas Gregor SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace); 3107d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner return Actions.ActOnFinishLinkageSpecification(getCurScope(), LinkageSpec, 3117d64271b162eaf5cae264ff64465b28af623dc17Chris Lattner RBrace); 312c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner} 313e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 314f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirectiveOrDeclaration - Parse C++ using using-declaration or 315f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive. Assumes that current token is 'using'. 316d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirectiveOrDeclaration(unsigned Context, 31778b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 31878b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 319c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith ParsedAttributesWithRange &attrs, 320c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 321f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_using) && "Not using token"); 3229735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 3239735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 324f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'using'. 325f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation UsingLoc = ConsumeToken(); 326f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 32749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 32823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsing(getCurScope()); 3297d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3307d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 33149f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 332193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 33378b810559d89e996e00684335407443936ce34a1John McCall // 'using namespace' means this is a using-directive. 33478b810559d89e996e00684335407443936ce34a1John McCall if (Tok.is(tok::kw_namespace)) { 33578b810559d89e996e00684335407443936ce34a1John McCall // Template parameters are always an error here. 33678b810559d89e996e00684335407443936ce34a1John McCall if (TemplateInfo.Kind) { 33778b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 33878b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_directive) 33978b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 34078b810559d89e996e00684335407443936ce34a1John McCall } 34178b810559d89e996e00684335407443936ce34a1John McCall 3429735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDirective(Context, UsingLoc, DeclEnd, attrs); 34378b810559d89e996e00684335407443936ce34a1John McCall } 344bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 345162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 34678b810559d89e996e00684335407443936ce34a1John McCall 34778b810559d89e996e00684335407443936ce34a1John McCall // Using declarations can't have attributes. 3487f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 3492f27477a29b6f5365ee545c1cac666cc8b95f518Chris Lattner 3509735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian return ParseUsingDeclaration(Context, TemplateInfo, UsingLoc, DeclEnd, 351a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian AS_none, OwnedType); 352f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 353f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 354f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// ParseUsingDirective - Parse C++ using-directive, assumes 355f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// that current token is 'namespace' and 'using' was already parsed. 356f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 357f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-directive: [C++ 7.3.p4: namespace.udir] 358f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 359f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name ; 360f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// [GNU] using-directive: 361f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'namespace' ::[opt] nested-name-specifier[opt] 362f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// namespace-name attributes[opt] ; 363f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 364d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDirective(unsigned Context, 36578b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 36678b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 3677f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 368f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor assert(Tok.is(tok::kw_namespace) && "Not 'namespace' token"); 369f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 370f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Eat 'namespace'. 371f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation NamespcLoc = ConsumeToken(); 372f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 37349f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor if (Tok.is(tok::code_completion)) { 37423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteUsingDirective(getCurScope()); 3757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 3767d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 37749f40bd0c9c9de5e74727774fec429b47d36303aDouglas Gregor } 378193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 379f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor CXXScopeSpec SS; 380f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse (optional) nested-name-specifier. 381b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 382f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 383f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor IdentifierInfo *NamespcName = 0; 384f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SourceLocation IdentLoc = SourceLocation(); 385f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 386f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // Parse namespace-name. 387823c44e6d73141f642e207980b4021ddcf09897bChris Lattner if (SS.isInvalid() || Tok.isNot(tok::identifier)) { 388f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor Diag(Tok, diag::err_expected_namespace_name); 389f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // If there was invalid namespace name, skip to end of decl, and eat ';'. 390f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor SkipUntil(tok::semi); 391f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor // FIXME: Are there cases, when we would like to call ActOnUsingDirective? 392d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 393f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor } 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 395823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse identifier. 396823c44e6d73141f642e207980b4021ddcf09897bChris Lattner NamespcName = Tok.getIdentifierInfo(); 397823c44e6d73141f642e207980b4021ddcf09897bChris Lattner IdentLoc = ConsumeToken(); 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 399823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Parse (optional) attributes (most likely GNU strong-using extension). 400bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool GNUAttr = false; 401bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::kw___attribute)) { 402bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt GNUAttr = true; 4037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 404bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 4051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 406823c44e6d73141f642e207980b4021ddcf09897bChris Lattner // Eat ';'. 40797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 4086869d8ea1bb7d191b5b290f5a55ee74f2174829aChris Lattner ExpectAndConsume(tok::semi, 4099ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor GNUAttr ? diag::err_expected_semi_after_attribute_list 4109ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor : diag::err_expected_semi_after_namespace_name, 4119ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor "", tok::semi); 412f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 41323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnUsingDirective(getCurScope(), UsingLoc, NamespcLoc, SS, 4147f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IdentLoc, NamespcName, attrs.getList()); 415f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 416f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 417162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// ParseUsingDeclaration - Parse C++ using-declaration or alias-declaration. 418162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// Assumes that 'using' was already seen. 419f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 420f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// using-declaration: [C++ 7.3.p3: namespace.udecl] 421f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 'using' 'typename'[opt] ::[opt] nested-name-specifier 4229cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// unqualified-id 4239cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor/// 'using' :: unqualified-id 424f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor/// 425162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// alias-declaration: C++0x [decl.typedef]p2 426162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 'using' identifier = type-id ; 427162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// 428d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseUsingDeclaration(unsigned Context, 42978b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 43078b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 43178b810559d89e996e00684335407443936ce34a1John McCall SourceLocation &DeclEnd, 432c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith AccessSpecifier AS, 433c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Decl **OwnedType) { 4349cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor CXXScopeSpec SS; 4357ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SourceLocation TypenameLoc; 4369cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor bool IsTypeName; 4379cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4389cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Ignore optional 'typename'. 43912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // FIXME: This is wrong; we should parse this as a typename-specifier. 4409cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_typename)) { 4417ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TypenameLoc = Tok.getLocation(); 4429cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ConsumeToken(); 4439cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = true; 4449cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 4459cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor else 4469cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor IsTypeName = false; 4479cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4489cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Parse nested-name-specifier. 449b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 4509cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 4519cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Check nested-name specifier. 4529cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (SS.isInvalid()) { 4539cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 454d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 4559cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 457193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Parse the unqualified-id. We allow parsing of both constructor and 45812c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // destructor names and allow the action module to diagnose any semantic 45912c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor // errors. 46012c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor UnqualifiedId Name; 461193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (ParseUnqualifiedId(SS, 46212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*EnteringContext=*/false, 46312c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor /*AllowDestructorName=*/true, 464193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam /*AllowConstructorName=*/true, 465b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 46612c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor Name)) { 4679cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi); 468d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 4699cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 470193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 4710b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 472162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 473162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Maybe this is an alias-declaration. 474162e1c1b487352434552147967c3dd296ebee2f7Richard Smith bool IsAliasDecl = Tok.is(tok::equal); 475162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeResult TypeAlias; 476162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (IsAliasDecl) { 4773e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // TODO: Attribute support. C++0x attributes may appear before the equals. 4783e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Where can GNU attributes appear? 479162e1c1b487352434552147967c3dd296ebee2f7Richard Smith ConsumeToken(); 480162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 481162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (!getLang().CPlusPlus0x) 482162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Tok.getLocation(), diag::ext_alias_declaration); 483162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 4843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Type alias templates cannot be specialized. 4853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith int SpecKind = -1; 486536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::Template && 487536e9c1f103f3e59ed47e35090819eb93596c35bRichard Smith Name.getKind() == UnqualifiedId::IK_TemplateId) 4883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 0; 4893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) 4903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 1; 4913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 4923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SpecKind = 2; 4933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind != -1) { 4943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SourceRange Range; 4953e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (SpecKind == 0) 4963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = SourceRange(Name.TemplateId->LAngleLoc, 4973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Name.TemplateId->RAngleLoc); 4983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 4993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Range = TemplateInfo.getSourceRange(); 5003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(Range.getBegin(), diag::err_alias_declaration_specialization) 5013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << SpecKind << Range; 5023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith SkipUntil(tok::semi); 5033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return 0; 5043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 5053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 506162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Name must be an identifier. 507162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (Name.getKind() != UnqualifiedId::IK_Identifier) { 508162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(Name.StartLocation, diag::err_alias_declaration_not_identifier); 509162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // No removal fixit: can't recover from this. 510162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SkipUntil(tok::semi); 511162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return 0; 512162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else if (IsTypeName) 513162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(TypenameLoc, diag::err_alias_declaration_not_identifier) 514162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SourceRange(TypenameLoc, 515162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SS.isNotEmpty() ? SS.getEndLoc() : TypenameLoc)); 516162e1c1b487352434552147967c3dd296ebee2f7Richard Smith else if (SS.isNotEmpty()) 517162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(SS.getBeginLoc(), diag::err_alias_declaration_not_identifier) 518162e1c1b487352434552147967c3dd296ebee2f7Richard Smith << FixItHint::CreateRemoval(SS.getRange()); 519162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5203e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TypeAlias = ParseTypeName(0, TemplateInfo.Kind ? 5213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Declarator::AliasTemplateContext : 522c89edf5aaa08683f4afcf61a7a1d183c08b76498Richard Smith Declarator::AliasDeclContext, 0, AS, OwnedType); 523162e1c1b487352434552147967c3dd296ebee2f7Richard Smith } else 524162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Parse (optional) attributes (most likely GNU strong-using extension). 525162e1c1b487352434552147967c3dd296ebee2f7Richard Smith MaybeParseGNUAttributes(attrs); 5261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5279cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat ';'. 5289cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor DeclEnd = Tok.getLocation(); 5299cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 530162e1c1b487352434552147967c3dd296ebee2f7Richard Smith !attrs.empty() ? "attributes list" : 531162e1c1b487352434552147967c3dd296ebee2f7Richard Smith IsAliasDecl ? "alias declaration" : "using declaration", 53212c118a8ff9f61a4d63146fe1a5c0d60987f99bbDouglas Gregor tok::semi); 5339cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 53478b810559d89e996e00684335407443936ce34a1John McCall // Diagnose an attempt to declare a templated using-declaration. 5353e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // In C++0x, alias-declarations can be templates: 536162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // template <...> using id = type; 5373e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TemplateInfo.Kind && !IsAliasDecl) { 53878b810559d89e996e00684335407443936ce34a1John McCall SourceRange R = TemplateInfo.getSourceRange(); 53978b810559d89e996e00684335407443936ce34a1John McCall Diag(UsingLoc, diag::err_templated_using_declaration) 54078b810559d89e996e00684335407443936ce34a1John McCall << R << FixItHint::CreateRemoval(R); 54178b810559d89e996e00684335407443936ce34a1John McCall 54278b810559d89e996e00684335407443936ce34a1John McCall // Unfortunately, we have to bail out instead of recovering by 54378b810559d89e996e00684335407443936ce34a1John McCall // ignoring the parameters, just in case the nested name specifier 54478b810559d89e996e00684335407443936ce34a1John McCall // depends on the parameters. 54578b810559d89e996e00684335407443936ce34a1John McCall return 0; 54678b810559d89e996e00684335407443936ce34a1John McCall } 54778b810559d89e996e00684335407443936ce34a1John McCall 5483e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (IsAliasDecl) { 5493e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 5503e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith MultiTemplateParamsArg TemplateParamsArg(Actions, 5513e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->data() : 0, 5523e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith TemplateParams ? TemplateParams->size() : 0); 5533e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return Actions.ActOnAliasDeclaration(getCurScope(), AS, TemplateParamsArg, 5543e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith UsingLoc, Name, TypeAlias); 5553e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 556162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 5578113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek return Actions.ActOnUsingDeclaration(getCurScope(), AS, true, UsingLoc, SS, 5587f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, attrs.getList(), 5597f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall IsTypeName, TypenameLoc); 560f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 561f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor 562c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// ParseStaticAssertDeclaration - Parse C++0x or C1X static_assert-declaration. 563511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 564c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C++0x] static_assert-declaration: 565c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// static_assert ( constant-expression , string-literal ) ; 566c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// 567c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// [C1X] static_assert-declaration: 568c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne/// _Static_assert ( constant-expression , string-literal ) ; 569511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// 570d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseStaticAssertDeclaration(SourceLocation &DeclEnd){ 571c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne assert((Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) && 572c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne "Not a static_assert declaration"); 573c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 574c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw__Static_assert) && !getLang().C1X) 575c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne Diag(Tok, diag::ext_c1x_static_assert); 576c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne 577511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation StaticAssertLoc = ConsumeToken(); 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 579511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::l_paren)) { 580511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_lparen); 581d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 582511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 584511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 585e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor 58660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertExpr(ParseConstantExpression()); 587511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (AssertExpr.isInvalid()) { 588511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 589d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 590511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 592ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "", tok::semi)) 593d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 594ad5f960f9e42568a87bf5e03dce7ad878f9ba6daAnders Carlsson 595511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson if (Tok.isNot(tok::string_literal)) { 596511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson Diag(Tok, diag::err_expected_string_literal); 597511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson SkipUntil(tok::semi); 598d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 599511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson } 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssertMessage(ParseStringLiteralExpression()); 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (AssertMessage.isInvalid()) 603d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 604511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 605a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclEnd = Tok.getLocation(); 6089ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_static_assert); 609511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6109ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnStaticAssertDeclaration(StaticAssertLoc, 6119ae2f076ca5ab1feb3ba95629099ec2319833701John McCall AssertExpr.take(), 612a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara AssertMessage.take(), 613a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RParenLoc); 614511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson} 615511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson 6166fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// ParseDecltypeSpecifier - Parse a C++0x decltype specifier. 6176fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 6186fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 'decltype' ( expression ) 6196fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson/// 6206fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlssonvoid Parser::ParseDecltypeSpecifier(DeclSpec &DS) { 6216fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(Tok.is(tok::kw_decltype) && "Not a decltype specifier"); 6226fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 6236fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation StartLoc = ConsumeToken(); 6246fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation LParenLoc = Tok.getLocation(); 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 6276fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson "decltype")) { 6286fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 6296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 6306fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Parse the expression 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6346fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // C++0x [dcl.type.simple]p4: 6356fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // The operand of the decltype specifier is an unevaluated operand. 6366fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson EnterExpressionEvaluationContext Unevaluated(Actions, 637f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 63860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 6396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Result.isInvalid()) { 6406fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SkipUntil(tok::r_paren); 6416fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 6426fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6446fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Match the ')' 6456fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson SourceLocation RParenLoc; 6466fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (Tok.is(tok::r_paren)) 6476fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson RParenLoc = ConsumeParen(); 6486fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson else 6496fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson MatchRHSPunctuation(tok::r_paren, LParenLoc); 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson if (RParenLoc.isInvalid()) 6526fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson return; 6536fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 6546fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson const char *PrevSpec = 0; 655fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 6566fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // Check for duplicate type specifiers (e.g. "int decltype(a)"). 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (DS.SetTypeSpecType(DeclSpec::TST_decltype, StartLoc, PrevSpec, 658fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DiagID, Result.release())) 659fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 6606fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson} 6616fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson 662db5d44b775c60166074acd184ca9f1981c10c2a7Sean Huntvoid Parser::ParseUnderlyingTypeSpecifier(DeclSpec &DS) { 663db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt assert(Tok.is(tok::kw___underlying_type) && 664db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "Not an underlying type specifier"); 665db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 666db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation StartLoc = ConsumeToken(); 667db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation LParenLoc = Tok.getLocation(); 668db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 669db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 670db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt "__underlying_type")) { 671db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SkipUntil(tok::r_paren); 672db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 673db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 674db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 675db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt TypeResult Result = ParseTypeName(); 676db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Result.isInvalid()) { 677db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SkipUntil(tok::r_paren); 678db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 679db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 680db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 681db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt // Match the ')' 682db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt SourceLocation RParenLoc; 683db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (Tok.is(tok::r_paren)) 684db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt RParenLoc = ConsumeParen(); 685db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt else 686db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt MatchRHSPunctuation(tok::r_paren, LParenLoc); 687db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 688db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt if (RParenLoc.isInvalid()) 689db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt return; 690db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 691db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt const char *PrevSpec = 0; 692db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt unsigned DiagID; 693ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (DS.SetTypeSpecType(DeclSpec::TST_underlyingType, StartLoc, PrevSpec, 694db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt DiagID, Result.release())) 695db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt Diag(StartLoc, DiagID) << PrevSpec; 696db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt} 697db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 69842a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// ParseClassName - Parse a C++ class-name, which names a class. Note 69942a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// that we only check that the result names a type; semantic analysis 70042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// will need to verify that the type names a class. The result is 7017f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// either a type or NULL, depending on whether a type name was 70242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// found. 70342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// 70442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// class-name: [C++ 9.1] 70542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor/// identifier 7067f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor/// simple-template-id 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 70831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas GregorParser::TypeResult Parser::ParseClassName(SourceLocation &EndLocation, 709059101f922de6eb765601459925f4c8914420b23Douglas Gregor CXXScopeSpec &SS) { 7107f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Check whether we have a template-id that names a type. 7117f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor if (Tok.is(tok::annot_template_id)) { 71225a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 713d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 714d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 715059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 7167f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 7177f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 718b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 7197f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 7207f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor ConsumeToken(); 72131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor 72231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Type) 72331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return Type; 72431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 7257f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 7267f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 7277f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor // Fall through to produce an error below. 7287f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor } 7297f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor 73042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor if (Tok.isNot(tok::identifier)) { 7311ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_class_name); 73231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 73342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 73442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 73584d0a19828599e8623223632d59447fd498999cfDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 73684d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 73784d0a19828599e8623223632d59447fd498999cfDouglas Gregor 73884d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.is(tok::less)) { 73984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // It looks the user intended to write a template-id here, but the 74084d0a19828599e8623223632d59447fd498999cfDouglas Gregor // template-name was wrong. Try to fix that. 74184d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateNameKind TNK = TNK_Type_template; 74284d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateTy Template; 74323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!Actions.DiagnoseUnknownTemplateName(*Id, IdLoc, getCurScope(), 744059101f922de6eb765601459925f4c8914420b23Douglas Gregor &SS, Template, TNK)) { 74584d0a19828599e8623223632d59447fd498999cfDouglas Gregor Diag(IdLoc, diag::err_unknown_template_name) 74684d0a19828599e8623223632d59447fd498999cfDouglas Gregor << Id; 74784d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 748193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 74984d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (!Template) 75084d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 75184d0a19828599e8623223632d59447fd498999cfDouglas Gregor 752193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Form the template name 75384d0a19828599e8623223632d59447fd498999cfDouglas Gregor UnqualifiedId TemplateName; 75484d0a19828599e8623223632d59447fd498999cfDouglas Gregor TemplateName.setIdentifier(Id, IdLoc); 755193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 75684d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Parse the full template-id, then turn it into a type. 75784d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 75884d0a19828599e8623223632d59447fd498999cfDouglas Gregor SourceLocation(), true)) 75984d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 76084d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (TNK == TNK_Dependent_template_name) 761059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 762193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 76384d0a19828599e8623223632d59447fd498999cfDouglas Gregor // If we didn't end up with a typename token, there's nothing more we 76484d0a19828599e8623223632d59447fd498999cfDouglas Gregor // can do. 76584d0a19828599e8623223632d59447fd498999cfDouglas Gregor if (Tok.isNot(tok::annot_typename)) 76684d0a19828599e8623223632d59447fd498999cfDouglas Gregor return true; 767193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 76884d0a19828599e8623223632d59447fd498999cfDouglas Gregor // Retrieve the type from the annotation token, consume that token, and 76984d0a19828599e8623223632d59447fd498999cfDouglas Gregor // return. 77084d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = Tok.getAnnotationEndLoc(); 771b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Type = getTypeAnnotation(Tok); 77284d0a19828599e8623223632d59447fd498999cfDouglas Gregor ConsumeToken(); 77384d0a19828599e8623223632d59447fd498999cfDouglas Gregor return Type; 77484d0a19828599e8623223632d59447fd498999cfDouglas Gregor } 77584d0a19828599e8623223632d59447fd498999cfDouglas Gregor 77642a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // We have an identifier; check whether it is actually a type. 777059101f922de6eb765601459925f4c8914420b23Douglas Gregor ParsedType Type = Actions.getTypeName(*Id, IdLoc, getCurScope(), &SS, true, 7789e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor false, ParsedType(), 7799e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true); 780193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam if (!Type) { 781124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(IdLoc, diag::err_expected_class_name); 78231a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor return true; 78342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor } 78442a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 78542a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Consume the identifier. 78684d0a19828599e8623223632d59447fd498999cfDouglas Gregor EndLocation = IdLoc; 7875606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7885606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky // Fake up a Declarator to use with ActOnTypeName. 7890b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 7905606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeStart(IdLoc); 7915606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetRangeEnd(EndLocation); 792059101f922de6eb765601459925f4c8914420b23Douglas Gregor DS.getTypeSpecScope() = SS; 7935606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7945606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky const char *PrevSpec = 0; 7955606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky unsigned DiagID; 7965606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky DS.SetTypeSpecType(TST_typename, IdLoc, PrevSpec, DiagID, Type); 7975606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky 7985606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 7995606220447c7901ba8d80147ddab893bb7949dd5Nick Lewycky return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 80042a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor} 80142a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 802e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseClassSpecifier - Parse a C++ class-specifier [C++ class] or 803e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier [C++ dcl.type.elab]; we can't tell which 804e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// until we reach the start of a definition or see a token that 805d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl/// cannot start a definition. If SuppressDeclarations is true, we do know. 806e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 807e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-specifier: [C++ class] 808e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' 809e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head '{' member-specification[opt] '}' attributes[opt] 810e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-head: 811e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key identifier[opt] base-clause[opt] 812e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier identifier base-clause[opt] 813e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key nested-name-specifier[opt] simple-template-id 814e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause[opt] 815e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] class-key attributes[opt] identifier[opt] base-clause[opt] 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier 817e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// identifier base-clause[opt] 8181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [GNU] class-key attributes[opt] nested-name-specifier[opt] 819e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// simple-template-id base-clause[opt] 820e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-key: 821e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'class' 822e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 823e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 824e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 825e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// elaborated-type-specifier: [C++ dcl.type.elab] 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] identifier 8271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// class-key ::[opt] nested-name-specifier[opt] 'template'[opt] 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// simple-template-id 829e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 830e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// Note that the C++ class-specifier and elaborated-type-specifier, 831e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// together, subsume the C99 struct-or-union-specifier: 832e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 833e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union-specifier: [C99 6.7.2.1] 834e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier[opt] '{' struct-contents '}' 835e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union identifier 836e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier[opt] '{' struct-contents 837e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// '}' attributes[opt] 838e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// [GNU] struct-or-union attributes[opt] identifier 839e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// struct-or-union: 840e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'struct' 841e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'union' 8424c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattnervoid Parser::ParseClassSpecifier(tok::TokenKind TagTokKind, 8434c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner SourceLocation StartLoc, DeclSpec &DS, 8444d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 845d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS, bool SuppressDeclarations){ 8464c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec::TST TagType; 8474c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner if (TagTokKind == tok::kw_struct) 8484c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_struct; 8494c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else if (TagTokKind == tok::kw_class) 8504c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_class; 8514c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner else { 8524c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner assert(TagTokKind == tok::kw_union && "Not a class specifier"); 8534c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner TagType = DeclSpec::TST_union; 8544c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner } 855e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 856374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor if (Tok.is(tok::code_completion)) { 857374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor // Code completion for a struct, class, or union name. 85823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteTag(getCurScope(), TagType); 8597d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 860374929f7e88f6c7a96382b3eb4201b721c418372Douglas Gregor } 861193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 862926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // C++03 [temp.explicit] 14.7.2/8: 863926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // The usual access checking rules do not apply to names used to specify 864926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // explicit instantiations. 865926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // 866926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As an extension we do not perform access checking on the names used to 867926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specify explicit specializations either. This is important to allow 868926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // specializing traits classes for private types. 869926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth bool SuppressingAccessChecks = false; 870926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation || 871926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth TemplateInfo.Kind == ParsedTemplateInfo::ExplicitSpecialization) { 872926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStartSuppressingAccessChecks(); 873926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth SuppressingAccessChecks = true; 874926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth } 875926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 8760b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 877e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If attributes exist after tag, parse them. 878e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw___attribute)) 8797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs); 880e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 881f59e17ecf06ac60065e2d02058bd6f21f5d216ccSteve Naroff // If declspecs exist after tag, parse them. 882b1d397c23e1f8fd8b404d5731d531e7500f7140dJohn McCall while (Tok.is(tok::kw___declspec)) 8837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftDeclSpec(attrs); 884193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 885bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // If C++0x attributes exist here, parse them. 886bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // FIXME: Are we consistent with the ordering of parsing of different 887bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // styles of attributes? 8887f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley if (TagType == DeclSpec::TST_struct && 891b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor !Tok.is(tok::identifier) && 892b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.getIdentifierInfo() && 893b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor (Tok.is(tok::kw___is_arithmetic) || 894b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_convertible) || 89520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_empty) || 896b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_floating_point) || 897b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_function) || 89820c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley Tok.is(tok::kw___is_fundamental) || 899b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_integral) || 900b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_function_pointer) || 901b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_member_pointer) || 902b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pod) || 903b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_pointer) || 904b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_same) || 905877222e2491bbc40a5c74cc100c540983f306b70Douglas Gregor Tok.is(tok::kw___is_scalar) || 906b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_signed) || 907b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_unsigned) || 908b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor Tok.is(tok::kw___is_void))) { 909688761409155b47c39eb5dae1b8c6c8a9f43307aDouglas Gregor // GNU libstdc++ 4.2 and libc++ use certain intrinsic names as the 910b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // name of struct templates, but some are keywords in GCC >= 4.3 911b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // and Clang. Therefore, when we see the token sequence "struct 912b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // X", make X into a normal identifier rather than a keyword, to 913b467cda8d97a1a18ee1aa62db3b7b21b2c294cebDouglas Gregor // allow libstdc++ 4.2 and libc++ to work properly. 914646395bbcaa849c94bc2a3246c71d809ca719f01Argyrios Kyrtzidis Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); 915b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor Tok.setKind(tok::identifier); 916b117a60f7684261ddc8c8f14e8ef8a827e6af814Douglas Gregor } 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 918eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse the (optional) nested-name-specifier. 919aa87d33309f505b68c3bfc17486c93e4d224b24fJohn McCall CXXScopeSpec &SS = DS.getTypeSpecScope(); 92008d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (getLang().CPlusPlus) { 92108d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner // "FOO : BAR" is not a potential typo for "FOO::BAR". 92208d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner ColonProtectionRAIIObject X(*this); 923193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 924b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) 925207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall DS.SetTypeSpecError(); 9269ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (SS.isSet()) 92708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner if (Tok.isNot(tok::identifier) && Tok.isNot(tok::annot_template_id)) 92808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner Diag(Tok, diag::err_expected_ident); 92908d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner } 930cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 9312cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParameterLists *TemplateParams = TemplateInfo.TemplateParams; 9322cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor 933cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor // Parse the (optional) class name or simple-template-id. 934e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IdentifierInfo *Name = 0; 935e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation NameLoc; 93639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateIdAnnotation *TemplateId = 0; 937e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::identifier)) { 938e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor Name = Tok.getIdentifierInfo(); 939e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor NameLoc = ConsumeToken(); 940193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9415ee3734c0b5222a7c445591a1f14102c1b3a289bDouglas Gregor if (Tok.is(tok::less) && getLang().CPlusPlus) { 942193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // The name was supposed to refer to a template, but didn't. 9432cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // Eat the template argument list and try to continue parsing this as 9442cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // a class (or template thereof). 9452cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateArgList TemplateArgs; 9462cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 947059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (ParseTemplateIdAfterTemplateName(TemplateTy(), NameLoc, SS, 9482cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor true, LAngleLoc, 949314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor TemplateArgs, RAngleLoc)) { 9502cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // We couldn't parse the template argument list at all, so don't 9512cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor // try to give any location information for the list. 9522cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor LAngleLoc = RAngleLoc = SourceLocation(); 9532cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 954193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9552cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor Diag(NameLoc, diag::err_explicit_spec_non_template) 956c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor << (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) 9572cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << (TagType == DeclSpec::TST_class? 0 9582cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : TagType == DeclSpec::TST_struct? 1 9592cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor : 2) 9602cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << Name 9612cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor << SourceRange(LAngleLoc, RAngleLoc); 962193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 963193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam // Strip off the last template parameter list if it was empty, since 964c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // we've removed its template argument list. 965c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateInfo.LastParameterListWasEmpty) { 966c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor if (TemplateParams && TemplateParams->size() > 1) { 967c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams->pop_back(); 968c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else { 969c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams = 0; 970193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 971c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = ParsedTemplateInfo::NonTemplate; 972c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } 973c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor } else if (TemplateInfo.Kind 974c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor == ParsedTemplateInfo::ExplicitInstantiation) { 975c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor // Pretend this is just a forward declaration. 9762cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor TemplateParams = 0; 977193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).Kind 9782cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor = ParsedTemplateInfo::NonTemplate; 979193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam const_cast<ParsedTemplateInfo&>(TemplateInfo).TemplateLoc 980c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 981c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor const_cast<ParsedTemplateInfo&>(TemplateInfo).ExternLoc 982c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor = SourceLocation(); 9832cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 9842cc782f7932f1069d9fa8bb5c518165802aad68dDouglas Gregor } 98539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 98625a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateId = takeTemplateIdAnnotation(Tok); 98739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor NameLoc = ConsumeToken(); 988cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 989059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (TemplateId->Kind != TNK_Type_template && 990059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Kind != TNK_Dependent_template_name) { 99139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The template-name in the simple-template-id refers to 99239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // something other than a class template. Give an appropriate 99339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // error message and skip to the ';'. 99439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceRange Range(NameLoc); 99539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (SS.isNotEmpty()) 99639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Range.setBegin(SS.getBeginLoc()); 99739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 99839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor Diag(TemplateId->LAngleLoc, diag::err_template_spec_syntax_non_template) 99939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor << Name << static_cast<int>(TemplateId->Kind) << Range; 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor DS.SetTypeSpecError(); 100239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SkipUntil(tok::semi, false, true); 1003926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 1004926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 1005926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 100639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor return; 1007cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor } 1008e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1009e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1010926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // As soon as we're finished parsing the class's template-id, turn access 1011926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth // checking back on. 1012926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth if (SuppressingAccessChecks) 1013926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth Actions.ActOnStopSuppressingAccessChecks(); 1014926c4b486a08f698cd3a367fd6f1a3a07604358dChandler Carruth 101567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // There are four options here. If we have 'struct foo;', then this 101667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall // is either a forward declaration or a friend declaration, which 1017cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // have to be treated differently. If we have 'struct foo {...', 10181d20927fd0a08c26ef0e86e26f42073fd582ff77Anders Carlsson // 'struct foo :...' or 'struct foo final[opt]' then this is a 1019cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson // definition. Otherwise we have something like 'struct foo xyz', a reference. 1020d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // However, in some contexts, things look like declarations but are just 1021d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // references, e.g. 1022d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // new struct s; 1023d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // or 1024d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // &T::operator struct s; 1025d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl // For these, SuppressDeclarations is true. 1026f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::TagUseKind TUK; 1027d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (SuppressDeclarations) 1028f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1029cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson else if (Tok.is(tok::l_brace) || 1030cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 10318a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()) { 1032d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor if (DS.isFriendSpecified()) { 1033d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // C++ [class.friend]p2: 1034d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // A class shall not be defined in a friend declaration. 1035d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor Diag(Tok.getLocation(), diag::err_friend_decl_defines_class) 1036d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor << SourceRange(DS.getFriendSpecLoc()); 1037d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor 1038d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Skip everything up to the semicolon, so that this looks like a proper 1039d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // friend class (or template thereof) declaration. 1040d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor SkipUntil(tok::semi, true, true); 1041f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Friend; 1042d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else { 1043d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor // Okay, this is a class definition. 1044f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Definition; 1045d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } 1046d85bea2affdd59d83d1be7d24b97f436484c3625Douglas Gregor } else if (Tok.is(tok::semi)) 1047f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = DS.isFriendSpecified() ? Sema::TUK_Friend : Sema::TUK_Declaration; 1048e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor else 1049f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK = Sema::TUK_Reference; 1050e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1051207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (!Name && !TemplateId && (DS.getTypeSpecType() == DeclSpec::TST_error || 1052f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK != Sema::TUK_Definition)) { 1053207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall if (DS.getTypeSpecType() != DeclSpec::TST_error) { 1054207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall // We have a declaration or reference to an anonymous class. 1055207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall Diag(StartLoc, diag::err_anon_type_definition) 1056207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall << DeclSpec::getSpecifierName(TagType); 1057207014eb2b372aa33721e86d90a8a586ba8dc8aeJohn McCall } 1058e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1059e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SkipUntil(tok::comma, true); 1060e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor return; 1061e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1062e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1063ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor // Create the tag portion of the class or class template. 1064d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall DeclResult TagOrTempResult = true; // invalid 1065d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall TypeResult TypeResult = true; // invalid 10664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 1067402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor bool Owned = false; 1068f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall if (TemplateId) { 10694d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Explicit specialization, class template partial specialization, 10704d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // or explicit instantiation. 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ASTTemplateArgsPtr TemplateArgsPtr(Actions, 107239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->getTemplateArgs(), 107339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateId->NumArgs); 10744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1075f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 10764d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit instantiation of a class template. 10774d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 107823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 107945f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 10814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagType, 10821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump StartLoc, 10834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SS, 10842b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 10874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateArgsPtr, 10881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 10897f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 109074256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall 109174256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // Friend template-ids are treated as references unless 109274256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // they have template headers, in which case they're ill-formed 109374256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // (FIXME: "template <class T> friend class A<T>::B<int>;"). 109474256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall // We diagnose this error in ActOnClassTemplateSpecialization. 1095f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall } else if (TUK == Sema::TUK_Reference || 1096f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall (TUK == Sema::TUK_Friend && 109774256f5ea6950c9fd34595aa124eb4740372f15cJohn McCall TemplateInfo.Kind == ParsedTemplateInfo::NonTemplate)) { 1098059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult = Actions.ActOnTagTemplateIdType(TUK, TagType, 1099059101f922de6eb765601459925f4c8914420b23Douglas Gregor StartLoc, 1100059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS, 1101059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->Template, 1102059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->TemplateNameLoc, 1103059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->LAngleLoc, 1104059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateArgsPtr, 1105059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->RAngleLoc); 11064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } else { 11074d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This is an explicit specialization or a class template 11084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // partial specialization. 11094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists FakedParamLists; 11104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation) { 11124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // This looks like an explicit instantiation, because we have 11134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // something like 11144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 11154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template class Foo<X> 11164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // 11173f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // but it actually has a definition. Most likely, this was 11184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // meant to be an explicit specialization, but the user forgot 11194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // the '<>' after 'template'. 1120f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall assert(TUK == Sema::TUK_Definition && "Expected a definition here"); 11214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LAngleLoc 11234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor = PP.getLocForEndOfToken(TemplateInfo.TemplateLoc); 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(TemplateId->TemplateNameLoc, 11254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor diag::err_explicit_instantiation_with_definition) 11264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor << SourceRange(TemplateInfo.TemplateLoc) 1127849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(LAngleLoc, "<>"); 11284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Create a fake template parameter list that contains only 11304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // "template<>", so that we treat this construct as a class 11314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // template specialization. 11324d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor FakedParamLists.push_back( 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnTemplateParameterList(0, SourceLocation(), 11344d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateInfo.TemplateLoc, 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LAngleLoc, 11361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 0, 0, 11374d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor LAngleLoc)); 11384d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams = &FakedParamLists; 11394d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 11404d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 11414d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor // Build the class template specialization. 11424d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TagOrTempResult 114323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnClassTemplateSpecialization(getCurScope(), TagType, TUK, 114439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor StartLoc, SS, 11452b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template, 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->TemplateNameLoc, 11471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->LAngleLoc, 114839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor TemplateArgsPtr, 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateId->RAngleLoc, 11507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 1151f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 1152cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? &(*TemplateParams)[0] : 0, 1153cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateParams? TemplateParams->size() : 0)); 11544d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } 11553f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1156f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Declaration) { 11573f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Explicit instantiation of a member of a class template 11583f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // specialization, e.g., 11593f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 11603f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // template struct Outer<int>::Inner; 11613f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // 11623f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor TagOrTempResult 116323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnExplicitInstantiation(getCurScope(), 116445f965581935791a018df829a14dff53c1dd8f47Douglas Gregor TemplateInfo.ExternLoc, 11651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateInfo.TemplateLoc, 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TagType, StartLoc, SS, Name, 11677f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall NameLoc, attrs.getList()); 11689a34edb710917798aa30263374f624f13b594605John McCall } else if (TUK == Sema::TUK_Friend && 11699a34edb710917798aa30263374f624f13b594605John McCall TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) { 11709a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = 11719a34edb710917798aa30263374f624f13b594605John McCall Actions.ActOnTemplatedFriendTag(getCurScope(), DS.getFriendSpecLoc(), 11729a34edb710917798aa30263374f624f13b594605John McCall TagType, StartLoc, SS, 11737f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Name, NameLoc, attrs.getList(), 11749a34edb710917798aa30263374f624f13b594605John McCall MultiTemplateParamsArg(Actions, 11759a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? &(*TemplateParams)[0] : 0, 11769a34edb710917798aa30263374f624f13b594605John McCall TemplateParams? TemplateParams->size() : 0)); 11773f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } else { 11783f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor if (TemplateInfo.Kind == ParsedTemplateInfo::ExplicitInstantiation && 1179f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TUK == Sema::TUK_Definition) { 11803f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // FIXME: Diagnose this particular error. 11813f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 11823f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor 1183c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall bool IsDependent = false; 1184c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1185a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // Don't pass down template parameter lists if this is just a tag 1186a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // reference. For example, we don't need the template parameters here: 1187a25c4080a490ea2bab6f54094dd75b19eae83770John McCall // template <class T> class A *makeA(T t); 1188a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg TParams; 1189a25c4080a490ea2bab6f54094dd75b19eae83770John McCall if (TUK != Sema::TUK_Reference && TemplateParams) 1190a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams = 1191a25c4080a490ea2bab6f54094dd75b19eae83770John McCall MultiTemplateParamsArg(&(*TemplateParams)[0], TemplateParams->size()); 1192a25c4080a490ea2bab6f54094dd75b19eae83770John McCall 11933f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor // Declaration or definition of a class type 11949a34edb710917798aa30263374f624f13b594605John McCall TagOrTempResult = Actions.ActOnTag(getCurScope(), TagType, TUK, StartLoc, 11957f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SS, Name, NameLoc, attrs.getList(), AS, 1196e761230ae3751b525cadd8066c74ec278ee4ef57Douglas Gregor DS.getModulePrivateSpecLoc(), 1197a25c4080a490ea2bab6f54094dd75b19eae83770John McCall TParams, Owned, IsDependent, false, 1198a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, clang::TypeResult()); 1199c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall 1200c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // If ActOnTag said the type was dependent, try again with the 1201c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall // less common call. 12029a34edb710917798aa30263374f624f13b594605John McCall if (IsDependent) { 12039a34edb710917798aa30263374f624f13b594605John McCall assert(TUK == Sema::TUK_Reference || TUK == Sema::TUK_Friend); 120423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult = Actions.ActOnDependentTag(getCurScope(), TagType, TUK, 1205193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam SS, Name, StartLoc, NameLoc); 12069a34edb710917798aa30263374f624f13b594605John McCall } 12073f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor } 1208e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1209e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If there is a body, parse it and inform the actions module. 1210f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1211bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace) || 1212cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson (getLang().CPlusPlus && Tok.is(tok::colon)) || 12138a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson isCXX0XFinalKeyword()); 121407952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis if (getLang().CPlusPlus) 1215212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseCXXMemberSpecification(StartLoc, TagType, TagOrTempResult.get()); 121607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis else 1217212e81cc5151b3c42346e43cfd42499a53ffd39aDouglas Gregor ParseStructUnionBody(StartLoc, TagType, TagOrTempResult.get()); 1218e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1219e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1220b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall const char *PrevSpec = 0; 1221b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall unsigned DiagID; 1222b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall bool Result; 1223c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall if (!TypeResult.isInvalid()) { 12240daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(DeclSpec::TST_typename, StartLoc, 12250daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 1226b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall PrevSpec, DiagID, TypeResult.get()); 1227c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else if (!TagOrTempResult.isInvalid()) { 12280daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = DS.SetTypeSpecType(TagType, StartLoc, 12290daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara NameLoc.isValid() ? NameLoc : StartLoc, 12300daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara PrevSpec, DiagID, TagOrTempResult.get(), Owned); 1231c4e7019d5c9034a2d84ee4695f8e98dc025ac131John McCall } else { 1232ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor DS.SetTypeSpecError(); 123366e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson return; 123466e9977ddd6b197317d149213b76a9af0d3df4deAnders Carlsson } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (Result) 1237fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(StartLoc, DiagID) << PrevSpec; 1238193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 12394ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // At this point, we've successfully parsed a class-specifier in 'definition' 12404ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // form (e.g. "struct foo { int x; }". While we could just return here, we're 12414ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // going to look at what comes after it to improve error recovery. If an 12424ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // impossible token occurs next, we assume that the programmer forgot a ; at 12434ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // the end of the declaration and recover that way. 12444ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // 12454ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // This switch enumerates the valid "follow" set for definition. 1246f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall if (TUK == Sema::TUK_Definition) { 1247b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool ExpectedSemi = true; 12484ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner switch (Tok.getKind()) { 1249b3a4e432c90be98c6d918087750397e86d030368Chris Lattner default: break; 12504ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner case tok::semi: // struct foo {...} ; 125199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::star: // struct foo {...} * P; 125299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::amp: // struct foo {...} & R = ... 125399c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::identifier: // struct foo {...} V ; 125499c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::r_paren: //(struct foo {...} ) {4} 125599c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_cxxscope: // struct foo {...} a:: b; 125699c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_typename: // struct foo {...} a ::b; 125799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::annot_template_id: // struct foo {...} a<int> ::b; 1258c2e1c1af8ffe750b827284f207b9207112c7cc4eChris Lattner case tok::l_paren: // struct foo {...} ( x); 125916acfee729e00536af827935ccfcf69be721e462Chris Lattner case tok::comma: // __builtin_offsetof(struct foo{...} , 1260b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1261b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1262b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // Type qualifiers 1263b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_const: // struct foo {...} const x; 1264b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_volatile: // struct foo {...} volatile x; 1265b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_restrict: // struct foo {...} restrict x; 1266b3a4e432c90be98c6d918087750397e86d030368Chris Lattner case tok::kw_inline: // struct foo {...} inline foo() {}; 126799c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner // Storage-class specifiers 126899c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_static: // struct foo {...} static x; 126999c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_extern: // struct foo {...} extern x; 127099c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_typedef: // struct foo {...} typedef x; 127199c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_register: // struct foo {...} register x; 127299c952046600f6bfccf315aa7ad5b1be2d242cc3Chris Lattner case tok::kw_auto: // struct foo {...} auto x; 1273af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith case tok::kw_mutable: // struct foo {...} mutable x; 1274af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith case tok::kw_constexpr: // struct foo {...} constexpr x; 1275b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // As shown above, type qualifiers and storage class specifiers absolutely 1276b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // can occur after class specifiers according to the grammar. However, 1277fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // almost no one actually writes code like this. If we see one of these, 1278b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // it is much more likely that someone missed a semi colon and the 1279b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // type/storage class specifier we're seeing is part of the *next* 1280b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // intended declaration, as in: 1281b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1282b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // struct foo { ... } 1283b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // typedef int X; 1284b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // 1285b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // We'd really like to emit a missing semicolon error instead of emitting 1286b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // an error on the 'int' saying that you can't have two type specifiers in 1287b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // the same declaration of X. Because of this, we look ahead past this 1288b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // token to see if it's a type specifier. If so, we know the code is 1289b3a4e432c90be98c6d918087750397e86d030368Chris Lattner // otherwise invalid, so we can produce the expected semi error. 1290b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!isKnownToBeTypeSpecifier(NextToken())) 1291b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 12924ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner break; 1293193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1294193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case tok::r_brace: // struct bar { struct foo {...} } 12954ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Missing ';' at end of struct is accepted as an extension in C mode. 1296b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().CPlusPlus) 1297b3a4e432c90be98c6d918087750397e86d030368Chris Lattner ExpectedSemi = false; 1298b3a4e432c90be98c6d918087750397e86d030368Chris Lattner break; 1299b3a4e432c90be98c6d918087750397e86d030368Chris Lattner } 1300193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1301cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith // C++ [temp]p3 In a template-declaration which defines a class, no 1302cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith // declarator is permitted. 1303cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith if (TemplateInfo.Kind) 1304cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith ExpectedSemi = true; 1305cf6b0a20c697ba8daf2dff3a4cce2a028b33cb48Richard Smith 1306b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (ExpectedSemi) { 13074ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_tagdecl, 13084ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner TagType == DeclSpec::TST_class ? "class" 13094ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner : TagType == DeclSpec::TST_struct? "struct" : "union"); 13104ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Push this token back into the preprocessor and change our current token 13114ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // to ';' so that the rest of the code recovers as though there were an 13124ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // ';' after the definition. 13134ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner PP.EnterToken(Tok); 1314193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam Tok.setKind(tok::semi); 13154ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 13164ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner } 1317e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1318e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ParseBaseClause - Parse the base-clause of a C++ class [C++ class.derived]. 1320e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1321e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-clause : [C++ class.derived] 1322e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ':' base-specifier-list 1323e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list: 1324e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier '...'[opt] 1325e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier-list ',' base-specifier '...'[opt] 1326d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseBaseClause(Decl *ClassDecl) { 1327e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor assert(Tok.is(tok::colon) && "Not a base clause"); 1328e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1329e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1330f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Build up an array of parsed base specifiers. 13315f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXBaseSpecifier *, 8> BaseInfo; 1332f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1333e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor while (true) { 1334e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse a base-specifier. 1335f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor BaseResult Result = ParseBaseSpecifier(ClassDecl); 13365ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor if (Result.isInvalid()) { 1337e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Skip the rest of this base specifier, up until the comma or 1338e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // opening brace. 1339f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor SkipUntil(tok::comma, tok::l_brace, true, true); 1340f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor } else { 1341f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Add this to our array of base specifiers. 13425ac8aff3d7431dc7e4d64d960574a10c9f7e0078Douglas Gregor BaseInfo.push_back(Result.get()); 1343e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1344e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1345e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // If the next token is a comma, consume it and keep reading 1346e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifiers. 1347e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.isNot(tok::comma)) break; 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1349e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Consume the comma. 1350e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1351e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1352f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor 1353f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor // Attach the base specifiers 1354beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(), BaseInfo.size()); 1355e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1356e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1357e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is 1358e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// one entry in the base class list of a class specifier, for example: 1359e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class foo : public bar, virtual private baz { 1360e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public bar' and 'virtual private baz' are each base-specifiers. 1361e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1362e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// base-specifier: [C++ class.derived] 1363e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// ::[opt] nested-name-specifier[opt] class-name 1364e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'virtual' access-specifier[opt] ::[opt] nested-name-specifier[opt] 1365e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1366e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier 'virtual'[opt] ::[opt] nested-name-specifier[opt] 1367e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// class-name 1368d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::BaseResult Parser::ParseBaseSpecifier(Decl *ClassDecl) { 1369e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor bool IsVirtual = false; 1370e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation StartLoc = Tok.getLocation(); 1371e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1372e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword. 1373e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1374e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 1375e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1376e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1377e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1378e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse an (optional) access specifier. 1379e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor AccessSpecifier Access = getAccessSpecifierIfPresent(); 138092f883177b162928a8e632e4e3b93fafd2b26072John McCall if (Access != AS_none) 1381e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor ConsumeToken(); 13821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1383e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Parse the 'virtual' keyword (again!), in case it came after the 1384e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // access specifier. 1385e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (Tok.is(tok::kw_virtual)) { 1386e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation VirtualLoc = ConsumeToken(); 1387e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor if (IsVirtual) { 1388e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Complain about duplicate 'virtual' 13891ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(VirtualLoc, diag::err_dup_virtual) 1390849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(VirtualLoc); 1391e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1392e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1393e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor IsVirtual = true; 1394e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1395e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1396eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // Parse optional '::' and optional nested-name-specifier. 1397eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 1398b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false); 1399e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1400e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // The location of the base class itself. 1401e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor SourceLocation BaseLoc = Tok.getLocation(); 140242a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor 140342a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor // Parse the class-name. 14047f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceLocation EndLocation; 1405059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult BaseType = ParseClassName(EndLocation, SS); 140631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (BaseType.isInvalid()) 140742a552f8200ba5948661aee0106fce0c04e39818Douglas Gregor return true; 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1409f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Parse the optional ellipsis (for a pack expansion). The ellipsis is 1410f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // actually part of the base-specifier-list grammar productions, but we 1411f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // parse it here for convenience. 1412f90b27ad077c3339b62befc892382845339f9490Douglas Gregor SourceLocation EllipsisLoc; 1413f90b27ad077c3339b62befc892382845339f9490Douglas Gregor if (Tok.is(tok::ellipsis)) 1414f90b27ad077c3339b62befc892382845339f9490Douglas Gregor EllipsisLoc = ConsumeToken(); 1415f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Find the complete source range for the base-specifier. 14177f43d6764797ab21216421aeb00f4ec314d503d1Douglas Gregor SourceRange Range(StartLoc, EndLocation); 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1419e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // Notify semantic analysis that we have parsed a complete 1420e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // base-specifier. 1421a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ActOnBaseSpecifier(ClassDecl, Range, IsVirtual, Access, 1422f90b27ad077c3339b62befc892382845339f9490Douglas Gregor BaseType.get(), BaseLoc, EllipsisLoc); 1423e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 1424e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1425e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// getAccessSpecifierIfPresent - Determine whether the next token is 1426e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// a C++ access-specifier. 1427e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 1428e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// access-specifier: [C++ class.derived] 1429e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'private' 1430e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'protected' 1431e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor/// 'public' 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpAccessSpecifier Parser::getAccessSpecifierIfPresent() const { 1433e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor switch (Tok.getKind()) { 1434e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor default: return AS_none; 1435e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_private: return AS_private; 1436e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_protected: return AS_protected; 1437e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor case tok::kw_public: return AS_public; 1438e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor } 1439e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor} 14404cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1441d33133cdc1af466f9c276249b2621be03867888bEli Friedmanvoid Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1442d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl) { 1443d33133cdc1af466f9c276249b2621be03867888bEli Friedman // We just declared a member function. If this member function 1444d33133cdc1af466f9c276249b2621be03867888bEli Friedman // has any default arguments, we'll need to parse them later. 1445d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedMethodDeclaration *LateMethod = 0; 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorChunk::FunctionTypeInfo &FTI 1447075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara = DeclaratorInfo.getFunctionTypeInfo(); 1448d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) { 1449d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) { 1450d33133cdc1af466f9c276249b2621be03867888bEli Friedman if (!LateMethod) { 1451d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Push this method onto the stack of late-parsed method 1452d33133cdc1af466f9c276249b2621be03867888bEli Friedman // declarations. 1453d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateMethod = new LateParsedMethodDeclaration(this, ThisDecl); 1454d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor getCurrentClass().LateParsedDeclarations.push_back(LateMethod); 145523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor LateMethod->TemplateScope = getCurScope()->isTemplateParamScope(); 1456d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1457d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add all of the parameters prior to this one (they don't 1458d33133cdc1af466f9c276249b2621be03867888bEli Friedman // have default arguments). 1459d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.reserve(FTI.NumArgs); 1460d33133cdc1af466f9c276249b2621be03867888bEli Friedman for (unsigned I = 0; I < ParamIdx; ++I) 1461d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 14628f8210c47797f013e0fb24a26f9c4751b10783feDouglas Gregor LateParsedDefaultArgument(FTI.ArgInfo[I].Param)); 1463d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1464d33133cdc1af466f9c276249b2621be03867888bEli Friedman 1465d33133cdc1af466f9c276249b2621be03867888bEli Friedman // Add this parameter to the list of parameters (it or may 1466d33133cdc1af466f9c276249b2621be03867888bEli Friedman // not have a default argument). 1467d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateMethod->DefaultArgs.push_back( 1468d33133cdc1af466f9c276249b2621be03867888bEli Friedman LateParsedDefaultArgument(FTI.ArgInfo[ParamIdx].Param, 1469d33133cdc1af466f9c276249b2621be03867888bEli Friedman FTI.ArgInfo[ParamIdx].DefaultArgTokens)); 1470d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1471d33133cdc1af466f9c276249b2621be03867888bEli Friedman } 1472d33133cdc1af466f9c276249b2621be03867888bEli Friedman} 1473d33133cdc1af466f9c276249b2621be03867888bEli Friedman 14741f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// isCXX0XVirtSpecifier - Determine whether the next token is a C++0x 14751f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier. 14761f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 14771f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 14781f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 14791f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 1480cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders CarlssonVirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier() const { 1481ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 1482cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson return VirtSpecifiers::VS_None; 1483cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1484b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Tok.is(tok::identifier)) { 1485b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 14861f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 14877eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson // Initialize the contextual keywords. 14887eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson if (!Ident_final) { 14897eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 14907eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 14917eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson } 14927eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson 1493b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_override) 1494b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Override; 14951f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1496b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (II == Ident_final) 1497b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_Final; 1498b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 1499b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1500b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return VirtSpecifiers::VS_None; 15011f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 15021f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15031f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// ParseOptionalCXX0XVirtSpecifierSeq - Parse a virt-specifier-seq. 15041f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 15051f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 15061f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 15071f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 1508b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlssonvoid Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) { 1509b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson while (true) { 1510cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier Specifier = isCXX0XVirtSpecifier(); 1511b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson if (Specifier == VirtSpecifiers::VS_None) 1512b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson return; 1513b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1514b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // C++ [class.mem]p8: 1515b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson // A virt-specifier-seq shall contain at most one of each virt-specifier. 1516cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson const char *PrevSpec = 0; 151746127a96b6dd6b93aa18d5f7a55bc2db8b52a2c9Anders Carlsson if (VS.SetSpecifier(Specifier, Tok.getLocation(), PrevSpec)) 1518b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson Diag(Tok.getLocation(), diag::err_duplicate_virt_specifier) 1519b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << PrevSpec 1520b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson << FixItHint::CreateRemoval(Tok.getLocation()); 1521b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson 1522ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus0x) 1523ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson Diag(Tok.getLocation(), diag::ext_override_control_keyword) 1524ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson << VirtSpecifiers::getSpecifierName(Specifier); 1525b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson ConsumeToken(); 1526b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson } 15271f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson} 15281f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 15298a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// isCXX0XFinalKeyword - Determine whether the next token is a C++0x 15308a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson/// contextual 'final' keyword. 15318a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlssonbool Parser::isCXX0XFinalKeyword() const { 1532ce93a7cee6c0ea979c12b278771a79c4d6a37fc0Anders Carlsson if (!getLang().CPlusPlus) 15338a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1534cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 15358a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Tok.is(tok::identifier)) 15368a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return false; 1537cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 15388a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson // Initialize the contextual keywords. 15398a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson if (!Ident_final) { 15408a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 15418a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 1542cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson } 15438a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson 15448a29ba0d66bce99014651f1e3351aef6c3361d3fAnders Carlsson return Tok.getIdentifierInfo() == Ident_final; 1545cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson} 1546cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 15474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXClassMemberDeclaration - Parse a C++ class member declaration. 15484cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration: 15504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// decl-specifier-seq[opt] member-declarator-list[opt] ';' 15514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// function-definition ';'[opt] 15524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ::[opt] nested-name-specifier template[opt] unqualified-id ';'[TODO] 15534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// using-declaration [TODO] 1554511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson/// [C++0x] static_assert-declaration 15555aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson/// template-declaration 1556bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner/// [GNU] '__extension__' member-declaration 15574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15584cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list: 15594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator 15604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator-list ',' member-declarator 15614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15624cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declarator: 15631f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// declarator virt-specifier-seq[opt] pure-specifier[opt] 15644cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// declarator constant-initializer[opt] 15657a614d8380297fcd2bc23986241905d97222948cRichard Smith/// [C++11] declarator brace-or-equal-initializer[opt] 15664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// identifier[opt] ':' constant-expression 15674cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15681f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq: 15691f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier 15701f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier-seq virt-specifier 15711f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 15721f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// virt-specifier: 15731f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// override 15741f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// final 15751f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// new 15761f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson/// 1577e2b6833d445c7a4ce64f1816c05f176ba1740acaSebastian Redl/// pure-specifier: 15784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '= 0' 15794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 15804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// constant-initializer: 15814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// '=' constant-expression 15824cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 158337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregorvoid Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1584c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo, 1585c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *TemplateDiags) { 15868a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (Tok.is(tok::at)) { 15878a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor if (getLang().ObjC1 && NextToken().isObjCAtKeyword(tok::objc_defs)) 15888a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_defs_cxx); 15898a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor else 15908a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor Diag(Tok, diag::err_at_in_class); 15918a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 15928a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor ConsumeToken(); 15938a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor SkipUntil(tok::r_brace); 15948a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor return; 15958a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor } 15968a9013d24864272cf5b18c908a267bd7a2bda4c4Douglas Gregor 159760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Access declarations. 159860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (!TemplateInfo.Kind && 159960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 16009ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall !TryAnnotateCXXScopeToken() && 160160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall Tok.is(tok::annot_cxxscope)) { 160260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall bool isAccessDecl = false; 160360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (NextToken().is(tok::identifier)) 160460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = GetLookAheadToken(2).is(tok::semi); 160560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall else 160660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall isAccessDecl = NextToken().is(tok::kw_operator); 160760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 160860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (isAccessDecl) { 160960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Collect the scope specifier token we annotated earlier. 161060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall CXXScopeSpec SS; 1611b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 161260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 161360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // Try to parse an unqualified-id. 161460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall UnqualifiedId Name; 1615b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseUnqualifiedId(SS, false, true, true, ParsedType(), Name)) { 161660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SkipUntil(tok::semi); 161760fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 161860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 161960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 162060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall // TODO: recover from mistakenly-qualified operator declarations. 162160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall if (ExpectAndConsume(tok::semi, 162260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall diag::err_expected_semi_after, 162360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall "access declaration", 162460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall tok::semi)) 162560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 162660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 162723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnUsingDeclaration(getCurScope(), AS, 162860fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall false, SourceLocation(), 162960fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SS, Name, 163060fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* AttrList */ 0, 163160fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall /* IsTypeName */ false, 163260fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall SourceLocation()); 163360fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall return; 163460fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 163560fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall } 163660fa3cfd7aa63c29f9fc2d593bac56a3646337ccJohn McCall 1637511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson // static_assert-declaration 1638c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne if (Tok.is(tok::kw_static_assert) || Tok.is(tok::kw__Static_assert)) { 163937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor // FIXME: Check for templates 164097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 164197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner ParseStaticAssertDeclaration(DeclEnd); 1642682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1643682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 16441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1645682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Tok.is(tok::kw_template)) { 16461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!TemplateInfo.TemplateParams && 164737b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor "Nested template improperly parsed?"); 164897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 16491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseDeclarationStartingWithTemplate(Declarator::MemberContext, DeclEnd, 16504d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AS); 1651682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 1652682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 16535aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 1654bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // Handle: member-declaration ::= '__extension__' member-declaration 1655bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner if (Tok.is(tok::kw___extension__)) { 1656bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner // __extension__ silences extension warnings in the subexpression. 1657bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 1658bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner ConsumeToken(); 1659c9068d7dd94d439cec66c421115d15303e481025John McCall return ParseCXXClassMemberDeclaration(AS, TemplateInfo, TemplateDiags); 1660bc8d56496a6ecdba14769df03d75c001184f8c54Chris Lattner } 16619cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16624ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR, in this context it 16634ed5d91db256f7dbe6bf716da0b801004c197254Chris Lattner // is a bitfield. 1664a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1665193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 16660b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 1667bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Optional C++0x attribute-specifier 16687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseCXX0XAttributes(attrs); 16697f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 1670bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 16719cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_using)) { 16727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 16731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16749cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor // Eat 'using'. 16759cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation UsingLoc = ConsumeToken(); 16769cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16779cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor if (Tok.is(tok::kw_namespace)) { 16789cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor Diag(UsingLoc, diag::err_using_namespace_in_class); 16799cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SkipUntil(tok::semi, true, true); 1680ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner } else { 16819cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor SourceLocation DeclEnd; 16823e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // Otherwise, it must be a using-declaration or an alias-declaration. 168378b810559d89e996e00684335407443936ce34a1John McCall ParseUsingDeclaration(Declarator::MemberContext, TemplateInfo, 168478b810559d89e996e00684335407443936ce34a1John McCall UsingLoc, DeclEnd, AS); 16859cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 16869cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor return; 16879cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor } 16889cfbe48a7a20a217fdb2920b29b67ae7941cb116Douglas Gregor 16894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // decl-specifier-seq: 16904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the common declaration-specifiers piece. 1691c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec DS(*this, TemplateDiags); 16927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DS.takeAttributesFrom(attrs); 169337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor ParseDeclarationSpecifiers(DS, TemplateInfo, AS, DSC_class); 16944cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1695f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg TemplateParams(Actions, 1696dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->data() : 0, 1697dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall TemplateInfo.TemplateParams? TemplateInfo.TemplateParams->size() : 0); 1698dd4a3b0065b9a7e7b00073df415a798886c090f3John McCall 16994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::semi)) { 17004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 1701d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 17020f4be74ff0273e505d383f89174ef539828424edChandler Carruth Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS, TemplateParams); 1703c9068d7dd94d439cec66c421115d15303e481025John McCall DS.complete(TheDecl); 170467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall return; 17054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 170607952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis 170754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator DeclaratorInfo(*this, DS, Declarator::MemberContext); 17084867347e82648d3baf09524b98b09c297a5a198fNico Weber VirtSpecifiers VS; 17096a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet ExprResult Init; 17104cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1711eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Hold late-parsed attributes so we can attach a Decl to them later. 1712eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrList LateParsedAttrs; 1713eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 17143a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) { 1715a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner // Don't parse FOO:BAR as if it were a typo for FOO::BAR. 1716a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner ColonProtectionRAIIObject X(*this); 1717a1efc8c8c6460d860d6509b05b341e77ed9bfe87Chris Lattner 17183a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Parse the first declarator. 17193a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 17203a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // Error parsing the declarator? 172110bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor if (!DeclaratorInfo.hasName()) { 17223a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // If so, skip until the semi-colon or a }. 1723d941fa4ff0d0d64b5a541dbd4f99693bff7f6e8dSebastian Redl SkipUntil(tok::r_brace, true, true); 17243a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.is(tok::semi)) 17253a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeToken(); 1726682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 17284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 17294867347e82648d3baf09524b98b09c297a5a198fNico Weber ParseOptionalCXX0XVirtSpecifierSeq(VS); 17304867347e82648d3baf09524b98b09c297a5a198fNico Weber 17311b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson // If attributes exist after the declarator, but before an '{', parse them. 1732eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 17331b2fc0f3e181d99fb34f60e711066fb11628ecd0John Thompson 17346a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // MSVC permits pure specifier on inline functions declared at class scope. 17356a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet // Hence check for =0 before checking for function definition. 17366a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (getLang().Microsoft && Tok.is(tok::equal) && 17376a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet DeclaratorInfo.isFunctionDeclarator() && 17386a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet NextToken().is(tok::numeric_constant)) { 17396a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet ConsumeToken(); 17406a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet Init = ParseInitializer(); 17416a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet if (Init.isInvalid()) 17426a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet SkipUntil(tok::comma, true, true); 17436a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet } 17446a24747beed797b2f1184c66ca45beb4db20eb08Francois Pichet 1745e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt bool IsDefinition = false; 17463a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // function-definition: 17477a614d8380297fcd2bc23986241905d97222948cRichard Smith // 17487a614d8380297fcd2bc23986241905d97222948cRichard Smith // In C++11, a non-function declarator followed by an open brace is a 17497a614d8380297fcd2bc23986241905d97222948cRichard Smith // braced-init-list for an in-class member initialization, not an 17507a614d8380297fcd2bc23986241905d97222948cRichard Smith // erroneous function definition. 17517a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) && !getLang().CPlusPlus0x) { 1752e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1753e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (DeclaratorInfo.isFunctionDeclarator()) { 17547a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::l_brace) || Tok.is(tok::colon) || Tok.is(tok::kw_try)) { 1755e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1756e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } else if (Tok.is(tok::equal)) { 1757e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 1758e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (KW.is(tok::kw_default) || KW.is(tok::kw_delete)) 1759e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt IsDefinition = true; 1760e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1761e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 1762e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1763e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (IsDefinition) { 17643a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (!DeclaratorInfo.isFunctionDeclarator()) { 17653a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_func_def_no_params); 17663a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 17673a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 17689ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 17699ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 17709ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 17719ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1772682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17733a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 17743a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis 17753a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { 17763a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis Diag(Tok, diag::err_function_declared_typedef); 17773a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // This recovery skips the entire function body. It would be nice 17783a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // to simply call ParseCXXInlineMethodDef() below, however Sema 17793a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis // assumes the declarator represents a function, not a typedef. 17803a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ConsumeBrace(); 17813a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis SkipUntil(tok::r_brace, true); 17829ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 17839ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor // Consume the optional ';' 17849ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor if (Tok.is(tok::semi)) 17859ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1786682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 17873a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 17884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1789eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski Decl *FunDecl = 1790eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski ParseCXXInlineMethodDef(AS, DeclaratorInfo, TemplateInfo, VS, Init); 1791eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 1792eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 1793eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs[i]->setDecl(FunDecl); 1794eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 1795eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 1796e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 1797e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt // Consume the ';' - it's optional unless we have a delete or default 1798e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (Tok.is(tok::semi)) { 17999ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor ConsumeToken(); 1800e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 18019ea416e598fa3cb09d67d514c4519c99abb81321Douglas Gregor 1802682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 18033a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis } 18044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list: 18074cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator 18084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator-list ',' member-declarator 18094cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> DeclsInGroup; 181160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult BitfieldSize; 18124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis while (1) { 18144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // member-declarator: 18154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // declarator pure-specifier[opt] 18167a614d8380297fcd2bc23986241905d97222948cRichard Smith // declarator brace-or-equal-initializer[opt] 18174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // identifier[opt] ':' constant-expression 18184cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 18194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 18200e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl BitfieldSize = ParseConstantExpression(); 18210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (BitfieldSize.isInvalid()) 18224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SkipUntil(tok::comma, true, true); 18234cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 18241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1825e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner // If a simple-asm-expr is present, parse it. 1826e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (Tok.is(tok::kw_asm)) { 1827e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SourceLocation Loc; 182860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 1829e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner if (AsmLabel.isInvalid()) 1830e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner SkipUntil(tok::comma, true, true); 1831e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 1832e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.setAsmLabel(AsmLabel.release()); 1833e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner DeclaratorInfo.SetRangeEnd(Loc); 1834e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner } 1835e6563256a4b3b9fee70ce3335d28406607c1faafChris Lattner 18364cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after the declarator, parse them. 1837eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski MaybeParseGNUAttributes(DeclaratorInfo, &LateParsedAttrs); 18384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 18397a614d8380297fcd2bc23986241905d97222948cRichard Smith // FIXME: When g++ adds support for this, we'll need to check whether it 18407a614d8380297fcd2bc23986241905d97222948cRichard Smith // goes before or after the GNU attributes and __asm__. 18417a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseOptionalCXX0XVirtSpecifierSeq(VS); 18427a614d8380297fcd2bc23986241905d97222948cRichard Smith 18437a614d8380297fcd2bc23986241905d97222948cRichard Smith bool HasDeferredInitializer = false; 18447a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::equal) || Tok.is(tok::l_brace)) { 18457a614d8380297fcd2bc23986241905d97222948cRichard Smith if (BitfieldSize.get()) { 18467a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_bitfield_member_init); 18477a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 18487a614d8380297fcd2bc23986241905d97222948cRichard Smith } else { 1849555f57e3549fb5cc963a2ce38180c4f3643a6f95Douglas Gregor HasDeferredInitializer = !DeclaratorInfo.isDeclarationOfFunction() && 18507a614d8380297fcd2bc23986241905d97222948cRichard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1851c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith != DeclSpec::SCS_static && 1852c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith DeclaratorInfo.getDeclSpec().getStorageClassSpec() 1853c2cdd5354aba8d6a74c45231829f3bbbbfeb2781Richard Smith != DeclSpec::SCS_typedef; 18547a614d8380297fcd2bc23986241905d97222948cRichard Smith 18557a614d8380297fcd2bc23986241905d97222948cRichard Smith if (!HasDeferredInitializer) { 18567a614d8380297fcd2bc23986241905d97222948cRichard Smith SourceLocation EqualLoc; 18577a614d8380297fcd2bc23986241905d97222948cRichard Smith Init = ParseCXXMemberInitializer( 1858555f57e3549fb5cc963a2ce38180c4f3643a6f95Douglas Gregor DeclaratorInfo.isDeclarationOfFunction(), EqualLoc); 18597a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Init.isInvalid()) 18607a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 18617a614d8380297fcd2bc23986241905d97222948cRichard Smith } 18627a614d8380297fcd2bc23986241905d97222948cRichard Smith } 18637a614d8380297fcd2bc23986241905d97222948cRichard Smith } 18647a614d8380297fcd2bc23986241905d97222948cRichard Smith 186507952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // NOTE: If Sema is the Action module and declarator is an instance field, 1866682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // this call will *not* return the created decl; It will return null. 186707952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis // See Sema::ActOnCXXMemberDeclarator for details. 186867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 1869d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl = 0; 187067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall if (DS.isFriendSpecified()) { 1871bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall // TODO: handle initializers, bitfields, 'delete' 187223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnFriendFunctionDecl(getCurScope(), DeclaratorInfo, 1873bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall /*IsDefinition*/ false, 1874bbbcdd9cc06b6078939129330ecc9bda3310984dJohn McCall move(TemplateParams)); 187537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } else { 187623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor ThisDecl = Actions.ActOnCXXMemberDeclarator(getCurScope(), AS, 187767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclaratorInfo, 187837b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor move(TemplateParams), 187967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall BitfieldSize.release(), 18807a614d8380297fcd2bc23986241905d97222948cRichard Smith VS, Init.release(), 18817a614d8380297fcd2bc23986241905d97222948cRichard Smith HasDeferredInitializer, 18827a614d8380297fcd2bc23986241905d97222948cRichard Smith /*IsDefinition*/ false); 188337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor } 1884682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (ThisDecl) 1885682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclsInGroup.push_back(ThisDecl); 18864cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 188772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor if (DeclaratorInfo.isFunctionDeclarator() && 18881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclaratorInfo.getDeclSpec().getStorageClassSpec() 188972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor != DeclSpec::SCS_typedef) { 1890d33133cdc1af466f9c276249b2621be03867888bEli Friedman HandleMemberFunctionDefaultArgs(DeclaratorInfo, ThisDecl); 189172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor } 189272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 189354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclaratorInfo.complete(ThisDecl); 189454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 1895eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // Set the Decl for any late parsed attributes 1896eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski for (unsigned i = 0, ni = LateParsedAttrs.size(); i < ni; ++i) { 1897eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs[i]->setDecl(ThisDecl); 1898eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski } 1899eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski LateParsedAttrs.clear(); 1900eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski 19017a614d8380297fcd2bc23986241905d97222948cRichard Smith if (HasDeferredInitializer) { 19027a614d8380297fcd2bc23986241905d97222948cRichard Smith if (!getLang().CPlusPlus0x) 19037a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::warn_nonstatic_member_init_accepted_as_extension); 19047a614d8380297fcd2bc23986241905d97222948cRichard Smith 19057a614d8380297fcd2bc23986241905d97222948cRichard Smith if (DeclaratorInfo.isArrayOfUnknownBound()) { 19067a614d8380297fcd2bc23986241905d97222948cRichard Smith // C++0x [dcl.array]p3: An array bound may also be omitted when the 19077a614d8380297fcd2bc23986241905d97222948cRichard Smith // declarator is followed by an initializer. 19087a614d8380297fcd2bc23986241905d97222948cRichard Smith // 19097a614d8380297fcd2bc23986241905d97222948cRichard Smith // A brace-or-equal-initializer for a member-declarator is not an 19107a614d8380297fcd2bc23986241905d97222948cRichard Smith // initializer in the gramamr, so this is ill-formed. 19117a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_incomplete_array_member_init); 19127a614d8380297fcd2bc23986241905d97222948cRichard Smith SkipUntil(tok::comma, true, true); 19137a614d8380297fcd2bc23986241905d97222948cRichard Smith // Avoid later warnings about a class member of incomplete type. 19147a614d8380297fcd2bc23986241905d97222948cRichard Smith ThisDecl->setInvalidDecl(); 19157a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 19167a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseCXXNonStaticMemberInitializer(ThisDecl); 19177a614d8380297fcd2bc23986241905d97222948cRichard Smith } 19187a614d8380297fcd2bc23986241905d97222948cRichard Smith 19194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If we don't have a comma, it is either the end of the list (a ';') 19204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // or an error, bail out. 19214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (Tok.isNot(tok::comma)) 19224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis break; 19231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Consume the comma. 19254cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis ConsumeToken(); 19261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19274cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Parse the next declarator. 19284cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis DeclaratorInfo.clear(); 19294867347e82648d3baf09524b98b09c297a5a198fNico Weber VS.clear(); 193015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl BitfieldSize = 0; 193115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl Init = 0; 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Attributes are only allowed on the second declarator. 19347f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 19354cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19363a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis if (Tok.isNot(tok::colon)) 19373a9fdb4742b21c0a3c27f18c5e4e94bab6f9e64cArgyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 19384cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19394cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 1940ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) { 1941ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // Skip to end of block or statement. 1942ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner SkipUntil(tok::r_brace, true, true); 1943ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner // If we stopped at a ';', eat it. 1944ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner if (Tok.is(tok::semi)) ConsumeToken(); 1945682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return; 19464cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 19474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 194823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup.data(), 1949ae50d501f463d7032320ec31840f60ae68df3a55Chris Lattner DeclsInGroup.size()); 19504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 19514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 19527a614d8380297fcd2bc23986241905d97222948cRichard Smith/// ParseCXXMemberInitializer - Parse the brace-or-equal-initializer or 19537a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier. Also detect and reject any attempted defaulted/deleted 19547a614d8380297fcd2bc23986241905d97222948cRichard Smith/// function definition. The location of the '=', if any, will be placed in 19557a614d8380297fcd2bc23986241905d97222948cRichard Smith/// EqualLoc. 19567a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19577a614d8380297fcd2bc23986241905d97222948cRichard Smith/// pure-specifier: 19587a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '= 0' 19597a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19607a614d8380297fcd2bc23986241905d97222948cRichard Smith/// brace-or-equal-initializer: 19617a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' initializer-expression 19627a614d8380297fcd2bc23986241905d97222948cRichard Smith/// braced-init-list [TODO] 19637a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19647a614d8380297fcd2bc23986241905d97222948cRichard Smith/// initializer-clause: 19657a614d8380297fcd2bc23986241905d97222948cRichard Smith/// assignment-expression 19667a614d8380297fcd2bc23986241905d97222948cRichard Smith/// braced-init-list [TODO] 19677a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19687a614d8380297fcd2bc23986241905d97222948cRichard Smith/// defaulted/deleted function-definition: 19697a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'default' 19707a614d8380297fcd2bc23986241905d97222948cRichard Smith/// '=' 'delete' 19717a614d8380297fcd2bc23986241905d97222948cRichard Smith/// 19727a614d8380297fcd2bc23986241905d97222948cRichard Smith/// Prior to C++0x, the assignment-expression in an initializer-clause must 19737a614d8380297fcd2bc23986241905d97222948cRichard Smith/// be a constant-expression. 19747a614d8380297fcd2bc23986241905d97222948cRichard SmithExprResult Parser::ParseCXXMemberInitializer(bool IsFunction, 19757a614d8380297fcd2bc23986241905d97222948cRichard Smith SourceLocation &EqualLoc) { 19767a614d8380297fcd2bc23986241905d97222948cRichard Smith assert((Tok.is(tok::equal) || Tok.is(tok::l_brace)) 19777a614d8380297fcd2bc23986241905d97222948cRichard Smith && "Data member initializer not starting with '=' or '{'"); 19787a614d8380297fcd2bc23986241905d97222948cRichard Smith 19797a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::equal)) { 19807a614d8380297fcd2bc23986241905d97222948cRichard Smith EqualLoc = ConsumeToken(); 19817a614d8380297fcd2bc23986241905d97222948cRichard Smith if (Tok.is(tok::kw_delete)) { 19827a614d8380297fcd2bc23986241905d97222948cRichard Smith // In principle, an initializer of '= delete p;' is legal, but it will 19837a614d8380297fcd2bc23986241905d97222948cRichard Smith // never type-check. It's better to diagnose it as an ill-formed expression 19847a614d8380297fcd2bc23986241905d97222948cRichard Smith // than as an ill-formed deleted non-function member. 19857a614d8380297fcd2bc23986241905d97222948cRichard Smith // An initializer of '= delete p, foo' will never be parsed, because 19867a614d8380297fcd2bc23986241905d97222948cRichard Smith // a top-level comma always ends the initializer expression. 19877a614d8380297fcd2bc23986241905d97222948cRichard Smith const Token &Next = NextToken(); 19887a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction || Next.is(tok::semi) || Next.is(tok::comma) || 19897a614d8380297fcd2bc23986241905d97222948cRichard Smith Next.is(tok::eof)) { 19907a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 19917a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_delete_in_multiple_declaration) 19927a614d8380297fcd2bc23986241905d97222948cRichard Smith << 1 /* delete */; 19937a614d8380297fcd2bc23986241905d97222948cRichard Smith else 19947a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_deleted_non_function); 19957a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprResult(); 19967a614d8380297fcd2bc23986241905d97222948cRichard Smith } 19977a614d8380297fcd2bc23986241905d97222948cRichard Smith } else if (Tok.is(tok::kw_default)) { 19987a614d8380297fcd2bc23986241905d97222948cRichard Smith if (IsFunction) 19997a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(Tok, diag::err_default_delete_in_multiple_declaration) 20007a614d8380297fcd2bc23986241905d97222948cRichard Smith << 0 /* default */; 20017a614d8380297fcd2bc23986241905d97222948cRichard Smith else 20027a614d8380297fcd2bc23986241905d97222948cRichard Smith Diag(ConsumeToken(), diag::err_default_special_members); 20037a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprResult(); 20047a614d8380297fcd2bc23986241905d97222948cRichard Smith } 20057a614d8380297fcd2bc23986241905d97222948cRichard Smith 20067a614d8380297fcd2bc23986241905d97222948cRichard Smith return ParseInitializer(); 20077a614d8380297fcd2bc23986241905d97222948cRichard Smith } else 20087a614d8380297fcd2bc23986241905d97222948cRichard Smith return ExprError(Diag(Tok, diag::err_generalized_initializer_lists)); 20097a614d8380297fcd2bc23986241905d97222948cRichard Smith} 20107a614d8380297fcd2bc23986241905d97222948cRichard Smith 20114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXMemberSpecification - Parse the class definition. 20124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-specification: 20144cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// member-declaration member-specification[opt] 20154cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// access-specifier ':' member-specification[opt] 20164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 20174cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidisvoid Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc, 2018d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall unsigned TagType, Decl *TagDecl) { 201931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta assert((TagType == DeclSpec::TST_struct || 20204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis TagType == DeclSpec::TST_union || 202131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta TagType == DeclSpec::TST_class) && "Invalid TagType!"); 20224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 2023f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, TagDecl, RecordLoc, 2024f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing struct/union/class body"); 20251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 202626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // Determine whether this is a non-nested class. Note that local 202726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // classes are *not* considered to be nested classes. 202826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor bool NonNestedClass = true; 202926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (!ClassStack.empty()) { 203023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (const Scope *S = getCurScope(); S; S = S->getParent()) { 203126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (S->isClassScope()) { 203226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // We're inside a class scope, so this is a nested class. 203326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor NonNestedClass = false; 203426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 203526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 203626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor 203726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if ((S->getFlags() & Scope::FnScope)) { 203826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // If we're in a function or function template declared in the 203926997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // body of a class, then this is a local class rather than a 204026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor // nested class. 204126997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor const Scope *Parent = S->getParent(); 204226997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isTemplateParamScope()) 204326997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor Parent = Parent->getParent(); 204426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor if (Parent->isClassScope()) 204526997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor break; 204626997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 204726997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 204826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor } 20494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20504cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Enter a scope for the class. 20513218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope ClassScope(this, Scope::ClassScope|Scope::DeclScope); 20524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 20536569d68745c8213709740337d2be52b031384f58Douglas Gregor // Note that we are parsing a new (potentially-nested) class definition. 205426997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ParsingClassDefinition ParsingDef(*this, TagDecl, NonNestedClass); 20556569d68745c8213709740337d2be52b031384f58Douglas Gregor 2056ddc29e116db3c3f4144355e67a0137b38b6bb6d1Douglas Gregor if (TagDecl) 205723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); 2058bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2059b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson SourceLocation FinalLoc; 2060b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2061b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Parse the optional 'final' keyword. 2062b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (getLang().CPlusPlus && Tok.is(tok::identifier)) { 2063b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson IdentifierInfo *II = Tok.getIdentifierInfo(); 2064b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2065b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson // Initialize the contextual keywords. 2066b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (!Ident_final) { 2067b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Ident_final = &PP.getIdentifierTable().get("final"); 2068b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Ident_override = &PP.getIdentifierTable().get("override"); 2069b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 2070b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2071b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (II == Ident_final) 2072b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson FinalLoc = ConsumeToken(); 2073b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson 2074b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson if (!getLang().CPlusPlus0x) 2075b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson Diag(FinalLoc, diag::ext_override_control_keyword) << "final"; 2076b184a18a0a52e4bec33ef70f13bfcc29aafa14f2Anders Carlsson } 2077cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 2078bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (Tok.is(tok::colon)) { 2079bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall ParseBaseClause(TagDecl); 2080bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2081bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall if (!Tok.is(tok::l_brace)) { 2082bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall Diag(Tok, diag::err_expected_lbrace_after_base_specifiers); 2083db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 2084db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall if (TagDecl) 208523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagDefinitionError(getCurScope(), TagDecl); 2086bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall return; 2087bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2088bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall } 2089bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2090bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall assert(Tok.is(tok::l_brace)); 2091bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 2092bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall SourceLocation LBraceLoc = ConsumeBrace(); 2093bd0dfa5c37d422427080a0ae3af9b63e70e6e854John McCall 209442a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 20952c3ee54e51d835a35bbf781c69e17f39e2ba0480Anders Carlsson Actions.ActOnStartCXXMemberDeclarations(getCurScope(), TagDecl, FinalLoc, 2096dfc2f1035d23e294b298766a3cf51dfe249d53a2Anders Carlsson LBraceLoc); 2097f9368159334ff86ea5fa367225c1a580977f3b03John McCall 20984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 11p3: Members of a class defined with the keyword class are private 20994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // by default. Members of a class defined with the keywords struct or union 21004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // are public by default. 21014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis AccessSpecifier CurAS; 21024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis if (TagType == DeclSpec::TST_class) 21034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_private; 21044cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis else 21054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis CurAS = AS_public; 21064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 210707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation RBraceLoc; 210807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl) { 210907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // While we still have something to read, read the member-declarations. 211007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 211107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Each iteration of this loop reads one member-declaration. 211207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor 2113563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (getLang().Microsoft && (Tok.is(tok::kw___if_exists) || 2114563a645de82231a55e221fe655b7188bf8369662Francois Pichet Tok.is(tok::kw___if_not_exists))) { 2115563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2116563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2117563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2118563a645de82231a55e221fe655b7188bf8369662Francois Pichet 211907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Check for extraneous top-level semicolon. 212007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::semi)) { 212107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::ext_extra_struct_semi) 212207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 212307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 212407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 212507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 212607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 21271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 212807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor AccessSpecifier AS = getAccessSpecifierIfPresent(); 212907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (AS != AS_none) { 213007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Current token is a C++ access specifier. 213107976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor CurAS = AS; 213207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SourceLocation ASLoc = Tok.getLocation(); 213307976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 213407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (Tok.is(tok::colon)) 213507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 213607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor else 213707976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor Diag(Tok, diag::err_expected_colon); 213807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ConsumeToken(); 213907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor continue; 214007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 21414cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 214207976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // FIXME: Make sure we don't have a template here. 21434cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 214407976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor // Parse all the comma separated declarators. 214507976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor ParseCXXClassMemberDeclaration(CurAS); 214607976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } 21471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214807976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 214907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor } else { 215007976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor SkipUntil(tok::r_brace, false, false); 21514cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21534cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // If attributes exist after class contents, parse them. 21540b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 21557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 21564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 215742a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 215823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishCXXMemberSpecification(getCurScope(), RecordLoc, TagDecl, 215942a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall LBraceLoc, RBraceLoc, 21607f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 21614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 21627a614d8380297fcd2bc23986241905d97222948cRichard Smith // C++0x [class.mem]p2: Within the class member-specification, the class is 21637a614d8380297fcd2bc23986241905d97222948cRichard Smith // regarded as complete within function bodies, default arguments, exception- 21647a614d8380297fcd2bc23986241905d97222948cRichard Smith // specifications, and brace-or-equal-initializers for non-static data 21657a614d8380297fcd2bc23986241905d97222948cRichard Smith // members (including such things in nested classes). 21664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // 21677a614d8380297fcd2bc23986241905d97222948cRichard Smith // FIXME: Only function bodies and brace-or-equal-initializers are currently 21687a614d8380297fcd2bc23986241905d97222948cRichard Smith // handled. Fix the others! 216907976d25eda0fed2734518be022ee84fab898cc6Douglas Gregor if (TagDecl && NonNestedClass) { 21704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // We are not inside a nested class. This class and its nested classes 217172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor // are complete and we can parse the delayed portions of method 2172eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // declarations and the lexed inline method definitions, along with any 2173eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski // delayed attributes. 2174e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor SourceLocation SavedPrevTokLocation = PrevTokLocation; 2175eff98fc3561f6b717f6348f04b3f4fe03e934466Caitlin Sadowski ParseLexedAttributes(getCurrentClass()); 21766569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDeclarations(getCurrentClass()); 21777a614d8380297fcd2bc23986241905d97222948cRichard Smith ParseLexedMemberInitializers(getCurrentClass()); 21786569d68745c8213709740337d2be52b031384f58Douglas Gregor ParseLexedMethodDefs(getCurrentClass()); 2179e0cc047b1984fc301bbe6e98b6d197bed39ad562Douglas Gregor PrevTokLocation = SavedPrevTokLocation; 21804cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 21814cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 218242a4f66ffeb26e69b2f0ec873a5d41b0e39e634cJohn McCall if (TagDecl) 218323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); 2184db7bb4a4e7d9744cbc994c90932e6f056228e1ffJohn McCall 21854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Leave the class scope. 21866569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingDef.Pop(); 21878935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ClassScope.Exit(); 21884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 21897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 21907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer - Parse a C++ constructor initializer, 21917ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// which explicitly initializes the members or base classes of a 21927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class (C++ [class.base.init]). For example, the three initializers 21937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// after the ':' in the Derived constructor below: 21947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 21957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @code 21967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Base { }; 21977ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// class Derived : Base { 21987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// int x; 21997ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// float f; 22007ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// public: 22017ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// Derived(float f) : Base(), x(17), f(f) { } 22027ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// }; 22037ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// @endcode 22047ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] ctor-initializer: 22061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// ':' mem-initializer-list 22077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// [C++] mem-initializer-list: 22093fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] 22103fb9e4b89f72823f162096086f0f964e6dcf66d6Douglas Gregor/// mem-initializer ...[opt] , mem-initializer-list 2211d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseConstructorInitializer(Decl *ConstructorDecl) { 22127ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor assert(Tok.is(tok::colon) && "Constructor initializer always starts with ':'"); 22137ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 221428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley // Poison the SEH identifiers so they are flagged as illegal in constructor initializers 221528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); 22167ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation ColonLoc = ConsumeToken(); 22171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<CXXCtorInitializer*, 4> MemInitializers; 22199db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 2220193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 22217ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor do { 22220133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (Tok.is(tok::code_completion)) { 22230133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor Actions.CodeCompleteConstructorInitializer(ConstructorDecl, 22240133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.data(), 22250133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.size()); 22267d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 22270133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } else { 22280133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitResult MemInit = ParseMemInitializer(ConstructorDecl); 22290133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor if (!MemInit.isInvalid()) 22300133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor MemInitializers.push_back(MemInit.get()); 22310133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor else 22320133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor AnyErrors = true; 22330133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor } 22340133f525a23e18dd444880f7554f25fbcbd834e5Douglas Gregor 22357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor if (Tok.is(tok::comma)) 22367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ConsumeToken(); 22377ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor else if (Tok.is(tok::l_brace)) 22387ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 2239b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // If the next token looks like a base or member initializer, assume that 2240b1f6fa48960eae269a3931d1fc545ed468d9a4d2Douglas Gregor // we're just missing a comma. 2241751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor else if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) { 2242751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor SourceLocation Loc = PP.getLocForEndOfToken(PrevTokLocation); 2243751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor Diag(Loc, diag::err_ctor_init_missing_comma) 2244751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor << FixItHint::CreateInsertion(Loc, ", "); 2245751f6922376dfe9432795b65a3649179e4ef5cf5Douglas Gregor } else { 22467ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Skip over garbage, until we get to '{'. Don't eat the '{'. 2247d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma); 22487ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SkipUntil(tok::l_brace, true, true); 22497ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor break; 22507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 22517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } while (true); 22527ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, 22549db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor MemInitializers.data(), MemInitializers.size(), 22559db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 22567ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 22577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 22587ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseMemInitializer - Parse a C++ member initializer, which is 22597ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// part of a constructor initializer that explicitly initializes one 22607ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// member or base class (C++ [class.base.init]). See 22617ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// ParseConstructorInitializer for an example. 22627ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// 22637ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer: 22647ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// mem-initializer-id '(' expression-list[opt] ')' 2265dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] mem-initializer-id braced-init-list 22661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22677ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] mem-initializer-id: 22687ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// '::'[opt] nested-name-specifier[opt] class-name 22697ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// identifier 2270d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) { 2271bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian // parse '::'[opt] nested-name-specifier[opt] 2272bcfad54a43e5570e09daddd976bd4545933e75b1Fariborz Jahanian CXXScopeSpec SS; 2273b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 2274b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TemplateTypeTy; 2275961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (Tok.is(tok::annot_template_id)) { 227625a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 2277d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor if (TemplateId->Kind == TNK_Type_template || 2278d9b600c1a589200be905c53e2e10fceb57efa18dDouglas Gregor TemplateId->Kind == TNK_Dependent_template_name) { 2279059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 2280961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian assert(Tok.is(tok::annot_typename) && "template-id -> type failed"); 2281b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TemplateTypeTy = getTypeAnnotation(Tok); 2282961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2283961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian } 2284961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian if (!TemplateTypeTy && Tok.isNot(tok::identifier)) { 22851ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_member_or_base_name); 22867ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 22877ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor } 22881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22897ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Get the identifier. This may be a member name or a class name, 22907ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // but we'll let the semantic analysis determine which it is. 2291961743326fd18776f897bf4461345dba680ef637Fariborz Jahanian IdentifierInfo *II = Tok.is(tok::identifier) ? Tok.getIdentifierInfo() : 0; 22927ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor SourceLocation IdLoc = ConsumeToken(); 22937ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 22947ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // Parse the '('. 2295dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (getLang().CPlusPlus0x && Tok.is(tok::l_brace)) { 2296dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // FIXME: Do something with the braced-init-list. 2297dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ParseBraceInitializer(); 22987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor return true; 2299dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } else if(Tok.is(tok::l_paren)) { 2300dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation LParenLoc = ConsumeParen(); 2301dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 2302dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // Parse the optional expression-list. 2303dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ExprVector ArgExprs(Actions); 2304dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl CommaLocsTy CommaLocs; 2305dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) { 2306dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SkipUntil(tok::r_paren); 2307dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 2308dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 23097ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2310dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 23117ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2312dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation EllipsisLoc; 2313dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.is(tok::ellipsis)) 2314dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl EllipsisLoc = ConsumeToken(); 23157ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 2316dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II, 2317dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl TemplateTypeTy, IdLoc, 2318dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl LParenLoc, ArgExprs.take(), 2319dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ArgExprs.size(), RParenLoc, 2320dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl EllipsisLoc); 2321dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 2322dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 2323dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl Diag(Tok, getLang().CPlusPlus0x ? diag::err_expected_lparen_or_lbrace 2324dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl : diag::err_expected_lparen); 2325dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return true; 23267ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor} 23270fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 23287acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// \brief Parse a C++ exception-specification if present (C++0x [except.spec]). 23290fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 2330a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// exception-specification: 23317acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification 23327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification 23337acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 23347acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// noexcept-specification: 23357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' 23367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 'noexcept' '(' constant-expression ')' 23377acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType 23387acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlParser::MaybeParseExceptionSpecification(SourceRange &SpecificationRange, 23395f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &DynamicExceptions, 23405f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 23417acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr) { 23427acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType Result = EST_None; 23437acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23447acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // See if there's a dynamic specification. 23457acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 23467acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = ParseDynamicExceptionSpecification(SpecificationRange, 23477acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptions, 23487acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 23497acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl assert(DynamicExceptions.size() == DynamicExceptionRanges.size() && 23507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl "Produced different number of exception types and ranges."); 23517acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 23527acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23537acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's no noexcept specification, we're done. 23547acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.isNot(tok::kw_noexcept)) 23557acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 23567acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23577acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If we already had a dynamic specification, parse the noexcept for, 23587acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // recovery, but emit a diagnostic and don't store the results. 23597acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange NoexceptRange; 23607acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType NoexceptType = EST_None; 23617acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation KeywordLoc = ConsumeToken(); 23637acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::l_paren)) { 23647acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is an argument. 23657acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation LParenLoc = ConsumeParen(); 23667acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_ComputedNoexcept; 23677acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptExpr = ParseConstantExpression(); 236860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // The argument must be contextually convertible to bool. We use 236960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // ActOnBooleanCondition for this purpose. 237060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr.isInvalid()) 237160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr = Actions.ActOnBooleanCondition(getCurScope(), KeywordLoc, 237260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr.get()); 23737acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 23747acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, RParenLoc); 23757acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 23767acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // There is no argument. 23777acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptType = EST_BasicNoexcept; 23787acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl NoexceptRange = SourceRange(KeywordLoc, KeywordLoc); 23797acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 23807acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23817acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Result == EST_None) { 23827acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange = NoexceptRange; 23837acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Result = NoexceptType; 23847acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23857acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // If there's a dynamic specification after a noexcept specification, 23867acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl // parse that and ignore the results. 23877acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl if (Tok.is(tok::kw_throw)) { 23887acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 23897acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ParseDynamicExceptionSpecification(NoexceptRange, DynamicExceptions, 23907acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl DynamicExceptionRanges); 23917acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 23927acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } else { 23937acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok.getLocation(), diag::err_dynamic_and_noexcept_specification); 23947acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl } 23957acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23967acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl return Result; 23977acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl} 23987acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 23997acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// ParseDynamicExceptionSpecification - Parse a C++ 24007acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification (C++ [except.spec]). 24017acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// 24027acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl/// dynamic-exception-specification: 2403a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// 'throw' '(' type-id-list [opt] ')' 2404a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// [MS] 'throw' '(' '...' ')' 24051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2406a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor/// type-id-list: 2407a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id ... [opt] 2408a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor/// type-id-list ',' type-id ... [opt] 24090fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor/// 24107acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian RedlExceptionSpecificationType Parser::ParseDynamicExceptionSpecification( 24117acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 24125f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ParsedType> &Exceptions, 24135f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceRange> &Ranges) { 24140fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor assert(Tok.is(tok::kw_throw) && "expected throw"); 24151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24167acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setBegin(ConsumeToken()); 24171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24180fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (!Tok.is(tok::l_paren)) { 24197acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Diag(Tok, diag::err_expected_lparen_after) << "throw"; 24207acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(SpecificationRange.getBegin()); 242160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_DynamicNone; 24220fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 24230fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor SourceLocation LParenLoc = ConsumeParen(); 24240fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 2425a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // Parse throw(...), a Microsoft extension that means "this function 2426a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor // can throw anything". 2427a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (Tok.is(tok::ellipsis)) { 2428a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor SourceLocation EllipsisLoc = ConsumeToken(); 2429a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor if (!getLang().Microsoft) 2430a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec); 24317acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 24327acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(RParenLoc); 243360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return EST_MSAny; 2434a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor } 2435a4745616ebe36ba7699f18618382e764aa8183a1Douglas Gregor 24360fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor // Parse the sequence of type-ids. 2437ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl SourceRange Range; 24380fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor while (Tok.isNot(tok::r_paren)) { 2439ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult Res(ParseTypeName(&Range)); 24407acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2441a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (Tok.is(tok::ellipsis)) { 2442a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // C++0x [temp.variadic]p5: 2443a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // - In a dynamic-exception-specification (15.4); the pattern is a 2444a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor // type-id. 2445a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor SourceLocation Ellipsis = ConsumeToken(); 24467acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl Range.setEnd(Ellipsis); 2447a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor if (!Res.isInvalid()) 2448a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor Res = Actions.ActOnPackExpansion(Res.get(), Ellipsis); 2449a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor } 24507acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 2451ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl if (!Res.isInvalid()) { 24527dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl Exceptions.push_back(Res.get()); 2453ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl Ranges.push_back(Range); 2454ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 2455a04426c5416f22df1078f6b31c1619de73c40b59Douglas Gregor 24560fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor if (Tok.is(tok::comma)) 24570fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor ConsumeToken(); 24587dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl else 24590fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor break; 24600fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor } 24610fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor 24627acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SpecificationRange.setEnd(MatchRHSPunctuation(tok::r_paren, LParenLoc)); 246360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return Exceptions.empty() ? EST_DynamicNone : EST_Dynamic; 24640fe7bea6fca9737c6c145aaa4a2ad3abe595782aDouglas Gregor} 24656569d68745c8213709740337d2be52b031384f58Douglas Gregor 2466dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// ParseTrailingReturnType - Parse a trailing return type on a new-style 2467dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor/// function declaration. 2468ae7902c4293d9de8b9591759513f0d075f45022aDouglas GregorTypeResult Parser::ParseTrailingReturnType(SourceRange &Range) { 2469dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor assert(Tok.is(tok::arrow) && "expected arrow"); 2470dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2471dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor ConsumeToken(); 2472dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 2473dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // FIXME: Need to suppress declarations when parsing this typename. 2474dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // Otherwise in this function definition: 2475dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2476dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // auto f() -> struct X {} 2477dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // 2478dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // struct X is parsed as class definition because of the trailing 2479dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // brace. 2480dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor return ParseTypeName(&Range); 2481dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor} 2482dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 24836569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief We have just started parsing the definition of a new class, 24846569d68745c8213709740337d2be52b031384f58Douglas Gregor/// so push that class onto our stack of classes that is currently 24856569d68745c8213709740337d2be52b031384f58Douglas Gregor/// being parsed. 2486eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallSema::ParsingClassState 2487eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallParser::PushParsingClass(Decl *ClassDecl, bool NonNestedClass) { 248826997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor assert((NonNestedClass || !ClassStack.empty()) && 24896569d68745c8213709740337d2be52b031384f58Douglas Gregor "Nested class without outer class"); 249026997fd58c9560584edd154618f2f2c15ee68af4Douglas Gregor ClassStack.push(new ParsingClass(ClassDecl, NonNestedClass)); 2491eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall return Actions.PushParsingClass(); 24926569d68745c8213709740337d2be52b031384f58Douglas Gregor} 24936569d68745c8213709740337d2be52b031384f58Douglas Gregor 24946569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Deallocate the given parsed class and all of its nested 24956569d68745c8213709740337d2be52b031384f58Douglas Gregor/// classes. 24966569d68745c8213709740337d2be52b031384f58Douglas Gregorvoid Parser::DeallocateParsedClasses(Parser::ParsingClass *Class) { 2497d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor for (unsigned I = 0, N = Class->LateParsedDeclarations.size(); I != N; ++I) 2498d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor delete Class->LateParsedDeclarations[I]; 24996569d68745c8213709740337d2be52b031384f58Douglas Gregor delete Class; 25006569d68745c8213709740337d2be52b031384f58Douglas Gregor} 25016569d68745c8213709740337d2be52b031384f58Douglas Gregor 25026569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \brief Pop the top class of the stack of classes that are 25036569d68745c8213709740337d2be52b031384f58Douglas Gregor/// currently being parsed. 25046569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 25056569d68745c8213709740337d2be52b031384f58Douglas Gregor/// This routine should be called when we have finished parsing the 25066569d68745c8213709740337d2be52b031384f58Douglas Gregor/// definition of a class, but have not yet popped the Scope 25076569d68745c8213709740337d2be52b031384f58Douglas Gregor/// associated with the class's definition. 25086569d68745c8213709740337d2be52b031384f58Douglas Gregor/// 25096569d68745c8213709740337d2be52b031384f58Douglas Gregor/// \returns true if the class we've popped is a top-level class, 25106569d68745c8213709740337d2be52b031384f58Douglas Gregor/// false otherwise. 2511eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCallvoid Parser::PopParsingClass(Sema::ParsingClassState state) { 25126569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Mismatched push/pop for class parsing"); 25131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2514eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Actions.PopParsingClass(state); 2515eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall 25166569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass *Victim = ClassStack.top(); 25176569d68745c8213709740337d2be52b031384f58Douglas Gregor ClassStack.pop(); 25186569d68745c8213709740337d2be52b031384f58Douglas Gregor if (Victim->TopLevelClass) { 25196569d68745c8213709740337d2be52b031384f58Douglas Gregor // Deallocate all of the nested classes of this class, 25206569d68745c8213709740337d2be52b031384f58Douglas Gregor // recursively: we don't need to keep any of this information. 25216569d68745c8213709740337d2be52b031384f58Douglas Gregor DeallocateParsedClasses(Victim); 25226569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 25231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 25246569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "Missing top-level class?"); 25256569d68745c8213709740337d2be52b031384f58Douglas Gregor 2526d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor if (Victim->LateParsedDeclarations.empty()) { 25276569d68745c8213709740337d2be52b031384f58Douglas Gregor // The victim is a nested class, but we will not need to perform 25286569d68745c8213709740337d2be52b031384f58Douglas Gregor // any processing after the definition of this class since it has 25296569d68745c8213709740337d2be52b031384f58Douglas Gregor // no members whose handling was delayed. Therefore, we can just 25306569d68745c8213709740337d2be52b031384f58Douglas Gregor // remove this nested class. 2531d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor DeallocateParsedClasses(Victim); 25326569d68745c8213709740337d2be52b031384f58Douglas Gregor return; 25336569d68745c8213709740337d2be52b031384f58Douglas Gregor } 25346569d68745c8213709740337d2be52b031384f58Douglas Gregor 25356569d68745c8213709740337d2be52b031384f58Douglas Gregor // This nested class has some members that will need to be processed 25366569d68745c8213709740337d2be52b031384f58Douglas Gregor // after the top-level class is completely defined. Therefore, add 25376569d68745c8213709740337d2be52b031384f58Douglas Gregor // it to the list of nested classes within its parent. 253823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope()->isClassScope() && "Nested class outside of class scope?"); 2539d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ClassStack.top()->LateParsedDeclarations.push_back(new LateParsedClass(this, Victim)); 254023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Victim->TemplateScope = getCurScope()->getParent()->isTemplateParamScope(); 25416569d68745c8213709740337d2be52b031384f58Douglas Gregor} 2542bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2543bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAttributes - Parse a C++0x attribute-specifier. Currently only 2544bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// parses standard attributes. 2545bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2546bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-specifier: 2547bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' '[' attribute-list ']' ']' 2548bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2549bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-list: 2550bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute[opt] 2551bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-list ',' attribute[opt] 2552bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2553bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute: 2554bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-token attribute-argument-clause[opt] 2555bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2556bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-token: 2557bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2558bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-scoped-token 2559bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2560bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-scoped-token: 2561bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute-namespace '::' identifier 2562bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2563bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-namespace: 2564bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// identifier 2565bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2566bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] attribute-argument-clause: 2567bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2568bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2569bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token-seq: 2570bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token 2571bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// balanced-token-seq balanced-token 2572bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2573bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] balanced-token: 2574bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '(' balanced-token-seq ')' 2575bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '[' balanced-token-seq ']' 2576bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// '{' balanced-token-seq '}' 2577bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// any token but '(', ')', '[', ']', '{', or '}' 25787f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 25797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2580bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt assert(Tok.is(tok::l_square) && NextToken().is(tok::l_square) 2581bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt && "Not a C++0x attribute list"); 2582bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2583bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation StartLoc = Tok.getLocation(), Loc; 2584bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2585bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2586bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeBracket(); 2587193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2588bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2589bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2590bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2591bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2592bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2593bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt while (Tok.is(tok::identifier) || Tok.is(tok::comma)) { 2594bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attribute not present 2595bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::comma)) { 2596bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2597bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2598bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2599bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2600bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt IdentifierInfo *ScopeName = 0, *AttrName = Tok.getIdentifierInfo(); 2601bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ScopeLoc, AttrLoc = ConsumeToken(); 2602193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2603bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // scoped attribute 2604bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::coloncolon)) { 2605bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeToken(); 2606bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2607bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!Tok.is(tok::identifier)) { 2608bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 2609bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, tok::comma, true, true); 2610bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt continue; 2611bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2612193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2613bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeName = AttrName; 2614bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ScopeLoc = AttrLoc; 2615bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2616bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrName = Tok.getIdentifierInfo(); 2617bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrLoc = ConsumeToken(); 2618bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2619bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2620bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool AttrParsed = false; 2621bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No scoped names are supported; ideally we could put all non-standard 2622bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // attributes into namespaces. 2623bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!ScopeName) { 2624bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt switch(AttributeList::getKind(AttrName)) 2625bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt { 2626bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // No arguments 26277725e67639fa2fe74f8775b7ed884a076ffdbffcSean Hunt case AttributeList::AT_carries_dependency: 262815e14a289583616e582a23b320933e846a742626Anders Carlsson case AttributeList::AT_noreturn: { 2629bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.is(tok::l_paren)) { 2630bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_forbids_arguments) 2631bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2632bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2633bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2634bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 26350b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 0, 26360b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall SourceLocation(), 0, 0, false, true); 2637bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2638bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2639bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2640bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2641bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // One argument; must be a type-id or assignment-expression 2642bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt case AttributeList::AT_aligned: { 2643bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Tok.isNot(tok::l_paren)) { 2644bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Tok.getLocation(), diag::err_cxx0x_attribute_requires_arguments) 2645bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << AttrName->getName(); 2646bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2647bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2648bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation ParamLoc = ConsumeParen(); 2649bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 265060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ArgExpr = ParseCXX0XAlignArgument(ParamLoc); 2651bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2652bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt MatchRHSPunctuation(tok::r_paren, ParamLoc); 2653bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2654bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ExprVector ArgExprs(Actions); 2655bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgExprs.push_back(ArgExpr.release()); 26560b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs.addNew(AttrName, AttrLoc, 0, AttrLoc, 26570b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 0, ParamLoc, ArgExprs.take(), 1, 26580b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, true); 2659bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2660bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AttrParsed = true; 2661bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt break; 2662bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2663bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2664bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Silence warnings 2665bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt default: break; 2666bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2667bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2668bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // Skip the entire parameter clause, if any 2670bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (!AttrParsed && Tok.is(tok::l_paren)) { 2671bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ConsumeParen(); 2672bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt // SkipUntil maintains the balancedness of tokens. 2673bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_paren, false); 2674bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2675bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } 2676bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2677bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2678bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2679bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Loc = Tok.getLocation(); 2680bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare)) 2681bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SkipUntil(tok::r_square, false); 2682bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 26837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.Range = SourceRange(StartLoc, Loc); 2684bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2685bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 2686bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// ParseCXX0XAlignArgument - Parse the argument to C++0x's [[align]] 2687bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// attribute. 2688bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2689bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// FIXME: Simply returns an alignof() expression if the argument is a 2690bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// type. Ideally, the type should be propagated directly into Sema. 2691bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// 2692bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' type-id ')' 2693bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt/// [C++0x] 'align' '(' assignment-expression ')' 269460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXX0XAlignArgument(SourceLocation Start) { 2695bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (isTypeIdInParens()) { 2696f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 2697bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation TypeLoc = Tok.getLocation(); 2698b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = ParseTypeName().get(); 2699bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceRange TypeRange(Start, Tok.getLocation()); 2700f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return Actions.ActOnUnaryExprOrTypeTraitExpr(TypeLoc, UETT_AlignOf, true, 2701f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Ty.getAsOpaquePtr(), TypeRange); 2702bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt } else 2703bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseConstantExpression(); 2704bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt} 2705334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2706334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ParseMicrosoftAttributes - Parse a Microsoft attribute [Attr] 2707334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2708334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute: 2709334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// '[' token-seq ']' 2710334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// 2711334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// [MS] ms-attribute-seq: 2712334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute[opt] 2713334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet/// ms-attribute ms-attribute-seq 27147f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallvoid Parser::ParseMicrosoftAttributes(ParsedAttributes &attrs, 27157f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc) { 2716334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet assert(Tok.is(tok::l_square) && "Not a Microsoft attribute list"); 2717334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 2718334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet while (Tok.is(tok::l_square)) { 2719334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ConsumeBracket(); 2720334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet SkipUntil(tok::r_square, true, true); 27217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (endLoc) *endLoc = Tok.getLocation(); 2722334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ExpectAndConsume(tok::r_square, diag::err_expected_rsquare); 2723334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet } 2724334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet} 2725563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2726563a645de82231a55e221fe655b7188bf8369662Francois Pichetvoid Parser::ParseMicrosoftIfExistsClassDeclaration(DeclSpec::TST TagType, 2727563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier& CurAS) { 2728563a645de82231a55e221fe655b7188bf8369662Francois Pichet bool Result; 2729563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (ParseMicrosoftIfExistsCondition(Result)) 2730563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2731563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2732563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.isNot(tok::l_brace)) { 2733563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_lbrace); 2734563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2735563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2736563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeBrace(); 2737563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2738563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Condition is false skip all inside the {}. 2739563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (!Result) { 2740563a645de82231a55e221fe655b7188bf8369662Francois Pichet SkipUntil(tok::r_brace, false); 2741563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2742563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2743563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2744563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Condition is true, parse the declaration. 2745563a645de82231a55e221fe655b7188bf8369662Francois Pichet while (Tok.isNot(tok::r_brace)) { 2746563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2747563a645de82231a55e221fe655b7188bf8369662Francois Pichet // __if_exists, __if_not_exists can nest. 2748563a645de82231a55e221fe655b7188bf8369662Francois Pichet if ((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists))) { 2749563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsClassDeclaration((DeclSpec::TST)TagType, CurAS); 2750563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2751563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2752563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2753563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Check for extraneous top-level semicolon. 2754563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::semi)) { 2755563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::ext_extra_struct_semi) 2756563a645de82231a55e221fe655b7188bf8369662Francois Pichet << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) 2757563a645de82231a55e221fe655b7188bf8369662Francois Pichet << FixItHint::CreateRemoval(Tok.getLocation()); 2758563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2759563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2760563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2761563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2762563a645de82231a55e221fe655b7188bf8369662Francois Pichet AccessSpecifier AS = getAccessSpecifierIfPresent(); 2763563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (AS != AS_none) { 2764563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Current token is a C++ access specifier. 2765563a645de82231a55e221fe655b7188bf8369662Francois Pichet CurAS = AS; 2766563a645de82231a55e221fe655b7188bf8369662Francois Pichet SourceLocation ASLoc = Tok.getLocation(); 2767563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2768563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.is(tok::colon)) 2769563a645de82231a55e221fe655b7188bf8369662Francois Pichet Actions.ActOnAccessSpecifier(AS, ASLoc, Tok.getLocation()); 2770563a645de82231a55e221fe655b7188bf8369662Francois Pichet else 2771563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_colon); 2772563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeToken(); 2773563a645de82231a55e221fe655b7188bf8369662Francois Pichet continue; 2774563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2775563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2776563a645de82231a55e221fe655b7188bf8369662Francois Pichet // Parse all the comma separated declarators. 2777563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseCXXClassMemberDeclaration(CurAS); 2778563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2779563a645de82231a55e221fe655b7188bf8369662Francois Pichet 2780563a645de82231a55e221fe655b7188bf8369662Francois Pichet if (Tok.isNot(tok::r_brace)) { 2781563a645de82231a55e221fe655b7188bf8369662Francois Pichet Diag(Tok, diag::err_expected_rbrace); 2782563a645de82231a55e221fe655b7188bf8369662Francois Pichet return; 2783563a645de82231a55e221fe655b7188bf8369662Francois Pichet } 2784563a645de82231a55e221fe655b7188bf8369662Francois Pichet ConsumeBrace(); 2785563a645de82231a55e221fe655b7188bf8369662Francois Pichet} 2786