ParseObjc.cpp revision e13b9595dc1e2f4288bec34f3412359f648e84a5
1a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek//===--- ParseObjC.cpp - Objective C Parsing ------------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Objective-C portions of the Parser interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 154985aceceb9b9261b876b515d32726175c13a775Steve Naroff#include "clang/Parse/DeclSpec.h" 163b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian#include "clang/Parse/Scope.h" 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/Diagnostic.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseExternalDeclaration: 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2591fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2691fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 30dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtDirectives() { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::objc_class: 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ParseObjCAtClassDeclaration(AtLoc); 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::objc_interface: 37dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return ParseObjCAtInterfaceDeclaration(AtLoc); 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::objc_protocol: 397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return ParseObjCAtProtocolDeclaration(AtLoc); 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::objc_implementation: 41db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return ParseObjCAtImplementationDeclaration(AtLoc); 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::objc_end: 43ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return ParseObjCAtEndDeclaration(AtLoc); 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::objc_compatibility_alias: 45e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return ParseObjCAtAliasDeclaration(AtLoc); 46ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian case tok::objc_synthesize: 47ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return ParseObjCPropertySynthesize(AtLoc); 48ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian case tok::objc_dynamic: 49ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return ParseObjCPropertyDynamic(AtLoc); 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(AtLoc, diag::err_unexpected_at); 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 53dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// objc-class-declaration: 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 61dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 66df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 69dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 74df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 82dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 84e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardClassDeclaration(atLoc, 853536b443bc50d58a79f14fca9b6842541a434854Steve Naroff &ClassNames[0], ClassNames.size()); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 88dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 89dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 90dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 91dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 92dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 93dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 94dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier objc-superclass[opt] 95dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 96dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 98dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier '(' identifier[opt] ')' 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtInterfaceDeclaration( 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 118861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 122df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 130df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 131dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 132dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 1347caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 135dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 136527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 137df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 139dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 140527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff } else if (!getLang().ObjC2) { 141527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 142527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff return 0; 143dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 144df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 145dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 150f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff SourceLocation endProtoLoc; 151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 152df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::less)) { 153f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff if (ParseObjCProtocolReferences(ProtocolRefs, endProtoLoc)) 154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 155dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 156dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 157dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 159e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *CategoryType = Actions.ActOnStartCategoryInterface(atLoc, 1603a165b066e665870c163af64844073a664c042d0Steve Naroff nameId, nameLoc, categoryId, categoryLoc, 161423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff &ProtocolRefs[0], ProtocolRefs.size(), 162423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff endProtoLoc); 163fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian 164fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 165dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 166294494e1cce92043562b4680c613df7fd028c02eSteve Naroff // The @ sign was already consumed by ParseObjCInterfaceDeclList(). 167861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_end)) { 168294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); // the "end" identifier 169ab0aeb0bf3eb289013e9f37e75c3dfc4c618f53cFariborz Jahanian return CategoryType; 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 171294494e1cce92043562b4680c613df7fd028c02eSteve Naroff Diag(Tok, diag::err_objc_missing_end); 172dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1777ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 178df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 180df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 181dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 183dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 185dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 187dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 1887caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 189f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff SourceLocation endProtoLoc; 190df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::less)) { 191f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff if (ParseObjCProtocolReferences(ProtocolRefs, endProtoLoc)) 192dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 193dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 194e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ClsType = Actions.ActOnStartClassInterface( 195cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 196f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff superClassId, superClassLoc, &ProtocolRefs[0], 197f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff ProtocolRefs.size(), endProtoLoc, attrList); 198f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 199df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 20060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 201dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 20225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 203294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 204294494e1cce92043562b4680c613df7fd028c02eSteve Naroff // The @ sign was already consumed by ParseObjCInterfaceDeclList(). 205861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_end)) { 206294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); // the "end" identifier 2072bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff return ClsType; 208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 209294494e1cce92043562b4680c613df7fd028c02eSteve Naroff Diag(Tok, diag::err_objc_missing_end); 210dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 211dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 212dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 213dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 214dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 216294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2173536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 221294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 222294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 223294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 224294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 22525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl, 226cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 2278a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek llvm::SmallVector<DeclTy*, 32> allMethods; 22882a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian llvm::SmallVector<DeclTy*, 16> allProperties; 22900933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 23060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation AtEndLoc; 23160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 232294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 233df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { 234294494e1cce92043562b4680c613df7fd028c02eSteve Naroff SourceLocation AtLoc = ConsumeToken(); // the "@" 235861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff tok::ObjCKeywordKind ocKind = Tok.getObjCKeywordID(); 236294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 237294494e1cce92043562b4680c613df7fd028c02eSteve Naroff if (ocKind == tok::objc_end) { // terminate list 23860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff AtEndLoc = AtLoc; 239e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 240294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else if (ocKind == tok::objc_required) { // protocols only 241294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 242cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner MethodImplKind = ocKind; 243cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (contextKey != tok::objc_protocol) 244cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner Diag(AtLoc, diag::err_objc_protocol_required); 245294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else if (ocKind == tok::objc_optional) { // protocols only 246294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 247cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner MethodImplKind = ocKind; 248cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (contextKey != tok::objc_protocol) 249cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner Diag(AtLoc, diag::err_objc_protocol_optional); 250294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else if (ocKind == tok::objc_property) { 2511de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ObjCDeclSpec OCDS; 2521de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ConsumeToken(); // the "property" identifier 2531de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Parse property attribute list, if any. 2541de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian if (Tok.is(tok::l_paren)) { 2551de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // property has attribute list. 2561de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 2571de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian } 2581de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Parse all the comma separated declarators. 2591de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian DeclSpec DS; 2601de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 2611de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ParseStructDeclaration(DS, FieldDeclarators); 2621de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian 2631de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian if (Tok.is(tok::semi)) 2641de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ConsumeToken(); 2651de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian else { 2661de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian Diag(Tok, diag::err_expected_semi_decl_list); 2671de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian SkipUntil(tok::r_brace, true, true); 2681de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian } 2691de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Convert them all to property declarations. 2701de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 2711de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian FieldDeclarator &FD = FieldDeclarators[i]; 2721de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Install the property declarator into interfaceDecl. 2735251e130a23d997f7c0dfdc250cdc41f179e5bedFariborz Jahanian Selector GetterSel = 27433de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian PP.getSelectorTable().getNullarySelector(OCDS.getGetterName() 27533de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian ? OCDS.getGetterName() 27633de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian : FD.D.getIdentifier()); 2775251e130a23d997f7c0dfdc250cdc41f179e5bedFariborz Jahanian Selector SetterSel = 27833de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian PP.getSelectorTable().getNullarySelector(OCDS.getSetterName() 27933de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian ? OCDS.getSetterName() 28033de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian // FIXME. This is not right! 28133de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian : FD.D.getIdentifier()); 2821de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian DeclTy *Property = Actions.ActOnProperty(CurScope, 2838442b5cdb76cef3ad88e32d41750914c7b77f588Steve Naroff AtLoc, FD, OCDS, 2845251e130a23d997f7c0dfdc250cdc41f179e5bedFariborz Jahanian GetterSel, SetterSel, 28546b55e56d029aec699fc2701e43d70264da9ecd8Fariborz Jahanian MethodImplKind); 2861de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian allProperties.push_back(Property); 2871de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian } 288294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 289294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else { 290294494e1cce92043562b4680c613df7fd028c02eSteve Naroff Diag(Tok, diag::err_objc_illegal_interface_qual); 291294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 292294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 293294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 294df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 295df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner DeclTy *methodPrototype = 296df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 29725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2983536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2993536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 300d16245b6d48c6b4e7bbd40713aed6565b882746dSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto"); 301294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 302294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 303f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian else if (Tok.is(tok::at)) 304f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian continue; 305f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian 306df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 307294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 308df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner else if (Tok.is(tok::eof)) 309e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 310f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff else { 3114985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 3124985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 3133536b443bc50d58a79f14fca9b6842541a434854Steve Naroff ParseDeclarationOrFunctionDefinition(); 314f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 315294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 3162feac5e559ca5c9693a3a19905ab106b9c52e193Steve Naroff /// Insert collected methods declarations into the @interface object. 3178a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3188a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.empty() ? 0 : &allMethods[0], 3198a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.size(), 3208a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.empty() ? 0 : &allProperties[0], 3218a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.size()); 322294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 323294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 324d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 325d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 326d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 327d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 328d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 329d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 330d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 331d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 332d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 333d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 334d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 335d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 336d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 337d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 338d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 339d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 3407caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 341d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SourceLocation loc = ConsumeParen(); // consume '(' 342d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian while (isObjCPropertyAttribute()) { 343d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 344d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian // getter/setter require extra treatment. 345a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[objc_getter] || 346a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek II == ObjCPropertyAttrs[objc_setter]) { 347d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian // skip getter/setter part. 348d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SourceLocation loc = ConsumeToken(); 349df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 350d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); 351df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 352a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[objc_setter]) { 353a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 35482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian DS.setSetterName(Tok.getIdentifierInfo()); 355d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); // consume method name 356df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 357d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_colon); 358d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren,true,true); 359d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 360d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 361d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 36282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian else { 363a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 36482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian DS.setGetterName(Tok.getIdentifierInfo()); 36582a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian } 366d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 367d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 368d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_ident); 369cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner SkipUntil(tok::r_paren,true,true); 370cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner break; 371cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner } 372d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 373d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 374d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_objc_expected_equal); 375d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren,true,true); 376d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 377d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 378d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 37982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 380a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_readonly]) 381a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 382a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_assign]) 383a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 384a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_readwrite]) 385a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 386a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_retain]) 387a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 388a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_copy]) 389a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 390a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_nonatomic]) 391a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 39282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 393d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian ConsumeToken(); // consume last attribute token 394df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { 395d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); 396d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian continue; 397d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 398df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::r_paren)) 399d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 400d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_rparen); 401d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::semi); 402d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian return; 403d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 404df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::r_paren)) 405d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian ConsumeParen(); 406d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 407d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_objc_expected_property_attr); 408d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren); // recover from error inside attribute list 409d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 410d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 411d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4123536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 413ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4143536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 415294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 416294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 417294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 418294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4194985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4204985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4214985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 42200933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz JahanianParser::DeclTy *Parser::ParseObjCMethodPrototype(DeclTy *IDecl, 423cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 424df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 425294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 426294494e1cce92043562b4680c613df7fd028c02eSteve Naroff tok::TokenKind methodType = Tok.getKind(); 427bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 428294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 4291f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl, MethodImplKind); 4303536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4312bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 432f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 433294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 434294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 435294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 436294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 437294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 438294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 439294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 440294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 441294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 442294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4434b6c9051c6522894978c9ba6a819a659d102db36Fariborz JahanianIdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { 444ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 445ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 446ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 447ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 448ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_typeof: 449ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw___alignof: 450ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 451ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_break: 452ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_case: 453ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_char: 454ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_const: 455ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_continue: 456ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_default: 457ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_do: 458ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_double: 459ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_else: 460ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_enum: 461ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_extern: 462ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_float: 463ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_for: 464ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_goto: 465ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_if: 466ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_inline: 467ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_int: 468ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_long: 469ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_register: 470ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_restrict: 471ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_return: 472ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_short: 473ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_signed: 474ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_sizeof: 475ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_static: 476ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_struct: 477ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_switch: 478ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_typedef: 479ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_union: 480ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_unsigned: 481ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_void: 482ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_volatile: 483ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_while: 4849298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 485ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 486ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 487ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 4884b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 489ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 490d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 491294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 492294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 493d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: one of 494d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly getter setter assign retain copy nonatomic 495d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 496d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanianbool Parser::isObjCPropertyAttribute() { 497df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 498d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 499d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian for (unsigned i = 0; i < objc_NumAttrs; ++i) 500a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[i]) return true; 501d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 502d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian return false; 503d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 504d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5050196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5060196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 507335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5083ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5093ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5103ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 511335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian return (getLang().ObjC2 && Tok.is(tok::identifier) && 512335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian Tok.getIdentifierInfo() == ObjCForCollectionInKW); 5130196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5140196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 515a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 516e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 517e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 518294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 519294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 520294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 521294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 522294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 523a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 524e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 525cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 526e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 527e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 528e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 529e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 530a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 531e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 532e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 533a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 534e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 535e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 536a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 537a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 538a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 539a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 540a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 541a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 542e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 543a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 544e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 545e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 546e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 547e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 548e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 549e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 550e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 551e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 552e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 553e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 554e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 555e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 556e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 557e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 558a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 559df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 560294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 561294494e1cce92043562b4680c613df7fd028c02eSteve Naroff SourceLocation LParenLoc = ConsumeParen(), RParenLoc; 562271f1a6373c3fe8fa457fe1ca6c0c908416110fdChris Lattner TypeTy *Ty = 0; 563294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 56419d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 565a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 5664fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 567294494e1cce92043562b4680c613df7fd028c02eSteve Naroff if (isTypeSpecifierQualifier()) { 568f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff Ty = ParseTypeName(); 569f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff // FIXME: back when Sema support is in place... 570f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff // assert(Ty && "Parser::ParseObjCTypeName(): missing type"); 571294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 572df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 573294494e1cce92043562b4680c613df7fd028c02eSteve Naroff MatchRHSPunctuation(tok::r_paren, LParenLoc); 574f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return 0; // FIXME: decide how we want to handle this error... 575294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 576294494e1cce92043562b4680c613df7fd028c02eSteve Naroff RParenLoc = ConsumeParen(); 577f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 578294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 579294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 580294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 581294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 5824985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 583294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 5844985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 585294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 586294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 5877ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-decl 588294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 589294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 590294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 5917ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 5927ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 5937ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 5947ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 595294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5964985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 5974985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 598294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5994985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6004985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 601294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6024985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 603294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 604294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6077ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 608bef1185418705e16012b3dd50cd7c260c8d6b79cSteve NaroffParser::DeclTy *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 6091f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian tok::TokenKind mType, 6101f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *IDecl, 611cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) 61268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff{ 6134985aceceb9b9261b876b515d32726175c13a775Steve Naroff // Parse the return type. 614ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 615a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 616df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 617f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 618bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 619bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); 620df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 621ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (!SelIdent) { 622ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing selector name. 623ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: this creates a unary selector with a null identifier, is this 624ff38491c18b060526d754765b952f4a497a89416Chris Lattner // ok?? Maybe we should skip to the next semicolon or something. 625ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 626ff38491c18b060526d754765b952f4a497a89416Chris Lattner 627ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 628ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 629df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 630ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 631ff38491c18b060526d754765b952f4a497a89416Chris Lattner 632ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 633bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 6341f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 635f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian 0, 0, 0, MethodAttrs, MethodImplKind); 636ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 637f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 63868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 63968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; 640a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; 64168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> ArgNames; 642ff38491c18b060526d754765b952f4a497a89416Chris Lattner 643ff38491c18b060526d754765b952f4a497a89416Chris Lattner Action::TypeTy *TypeInfo; 644ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 645ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(SelIdent); 64668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 647ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 648df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 649ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 650ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 651ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 652ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 653a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSType; 654f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian if (Tok.is(tok::l_paren)) { // Parse the argument type. 655f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian TypeInfo = ParseObjCTypeName(DSType); 656f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian } 657ff38491c18b060526d754765b952f4a497a89416Chris Lattner else 658ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeInfo = 0; 659ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyTypes.push_back(TypeInfo); 660f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ArgTypeQuals.push_back(DSType); 661f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 662ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 663df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 664ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseAttributes(); // FIXME: pass attributes through. 6657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 666df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 667ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 668ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 6694985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 670ff38491c18b060526d754765b952f4a497a89416Chris Lattner ArgNames.push_back(Tok.getIdentifierInfo()); 671ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 672ff38491c18b060526d754765b952f4a497a89416Chris Lattner 673ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 6744b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 6754b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 676df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 677ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 678ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 679ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 680ff38491c18b060526d754765b952f4a497a89416Chris Lattner 681335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 682335eafa5be51f6440672a74c73d588af72e96732Steve Naroff 683ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 684df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 685ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 686df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 687335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 6884985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 689ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 6904985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 691335eafa5be51f6440672a74c73d588af72e96732Steve Naroff // FIXME: implement this... 692ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the c-style argument declaration-specifier. 693ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 694ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 695ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the declarator. 696ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 697ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 6984985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 699ff38491c18b060526d754765b952f4a497a89416Chris Lattner 700ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 701e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 702ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 703df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 705ff38491c18b060526d754765b952f4a497a89416Chris Lattner 706ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 707ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 708bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7091f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 710f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian &ArgTypeQuals[0], &KeyTypes[0], 711335eafa5be51f6440672a74c73d588af72e96732Steve Naroff &ArgNames[0], MethodAttrs, 712335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 713294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 714294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 715dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 716dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 717dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 7187caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 7197caeabd868d46cf4e68478c6e9136dae4e735d21Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<IdentifierLocPair> &Protocols, 7207caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner SourceLocation &endLoc) { 721df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::less) && "expected <"); 722dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 723dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "<" 724dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 725dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff while (1) { 726df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 727dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); 728dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::greater); 729dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return true; 730dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 7317caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Protocols.push_back(std::make_pair(Tok.getIdentifierInfo(), 7327caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 733dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 734dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 735df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 736dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff break; 737dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 738dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 739e37882ad335896dedf345102bb425383e6221c37Fariborz Jahanian 740dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Consume the '>'. 741f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff if (Tok.is(tok::greater)) { 742f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff endLoc = ConsumeAnyToken(); 743f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff return false; 744f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff } 745f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff Diag(Tok, diag::err_expected_greater); 746f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff return true; 747dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 748dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 749e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner/// objc-protocol-refs: 750e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner/// '<' identifier-list '>' 751e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner/// 752e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattnerbool Parser:: 753e13b9595dc1e2f4288bec34f3412359f648e84a5Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclTy*> &Protocols, 754e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, SourceLocation &EndLoc) { 755e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 756e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 757e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); // the "<" 758e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 759e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 760e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 761e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 762e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 763e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 764e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 765e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 766e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 767e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 768e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 769e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 770e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 771e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 772e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 773e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 774e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 775e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 776e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 777e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 778e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 779e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 780e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 781e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 782e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 783e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 784e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 785e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 786e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 787e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 788e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 789e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 790e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 791dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 792dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 793dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 794dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 795dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 796dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 797dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 798dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 799dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 800dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 801dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 802dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 803dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 804dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 805dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 806ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 807dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 808dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 809dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// struct-declaration 810dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 81160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroffvoid Parser::ParseObjCClassInstanceVariables(DeclTy *interfaceDecl, 81260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 813df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 8147d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian llvm::SmallVector<DeclTy*, 32> AllIvarDecls; 815e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 816e13594279a952537ac903325efff57e3edca79d9Chris Lattner 817ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 818ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 819aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 820ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 821df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 822ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 823ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 824ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 825df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 826ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::ext_extra_struct_semi); 827ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 828ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 829ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 830e13594279a952537ac903325efff57e3edca79d9Chris Lattner 831ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 832df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 833ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 834861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 835ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 836ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 837ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 838ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 839861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 840ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 841ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 842ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 843ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 844ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 845ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 846ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 847e13594279a952537ac903325efff57e3edca79d9Chris Lattner 848e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 849e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 850e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarators.clear(); 851e13594279a952537ac903325efff57e3edca79d9Chris Lattner ParseStructDeclaration(DS, FieldDeclarators); 852e13594279a952537ac903325efff57e3edca79d9Chris Lattner 853e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Convert them all to fields. 854e13594279a952537ac903325efff57e3edca79d9Chris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 855e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 856e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Install the declarator into interfaceDecl. 8571d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian DeclTy *Field = Actions.ActOnIvar(CurScope, 858e13594279a952537ac903325efff57e3edca79d9Chris Lattner DS.getSourceRange().getBegin(), 8591d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 860e13594279a952537ac903325efff57e3edca79d9Chris Lattner AllIvarDecls.push_back(Field); 8617d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian } 8623536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 863df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 864ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 865ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 866ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 867ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 868ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 869ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 870ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 87160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 8728749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 8738749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 8748749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 8758749be53f53384e7846502791ceda6c657228d07Steve Naroff &AllIvarDecls[0], AllIvarDecls.size(), 8761d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian LBraceLoc, RBraceLoc); 877ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 879dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 880dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 881dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 882dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 883dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 884dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 885dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier 886dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 8873536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list 888dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 889dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 890dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 891dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 892dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 893dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 8943536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 895dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 8967ef58fdbefddf693910e6403a71b3d367444c897Steve NaroffParser::DeclTy *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc) { 897861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 8987ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 8997ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9007ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 901df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 9037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9047ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9077ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9087ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 909df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9107caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9117ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 9127caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1); 9137ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9147caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 915df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 9167caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 9177caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 9187caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9197ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 9207ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 9217ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 922df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9237ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 9247ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 9257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9277caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 9287caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 9297ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 9307ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 931df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 9327ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 9337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9347ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 9357ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 9367ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9377caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 938e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 93937e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff &ProtocolRefs[0], 94037e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff ProtocolRefs.size()); 9417caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 9427caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 944e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation EndProtoLoc; 9457caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 946e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 9477caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 948e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 9497caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return 0; 95025e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian 951e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner DeclTy *ProtoType = 952e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 953e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 954e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndProtoLoc); 95525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 9567ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 9577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // The @ sign was already consumed by ParseObjCInterfaceDeclList(). 958861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_end)) { 9597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "end" identifier 960ab0aeb0bf3eb289013e9f37e75c3dfc4c618f53cFariborz Jahanian return ProtoType; 9617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_objc_missing_end); 963dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 964dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 965dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 966dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 967dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 968dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 969dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 970dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 971dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 972dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 973dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 974dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 975dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 976dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 977ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtImplementationDeclaration( 978ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 979ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 980ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 981ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 982ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 983df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 984ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 985ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 986ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 987ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 988ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 989ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 990ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 991df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 992ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 993ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 994ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 995ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 996ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 997df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 998ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 999ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1000ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1001ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1002ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1003ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1004df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1005ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1006ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1007ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1008ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1009ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1010e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplCatType = Actions.ActOnStartCategoryImplementation( 10118f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian atLoc, nameId, nameLoc, categoryId, 10128f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1013a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1014db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 1015ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1016ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1017ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1018ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1019df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1020ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1021ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1022df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1023ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1024ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1025ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1026ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1027ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1028ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1029e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplClsType = Actions.ActOnStartClassImplementation( 1030cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1031ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 1032ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian 103360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 103460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1035a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 1036ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1037db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 103960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1040ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1041ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1042ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1043ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 104494cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian if (ObjCImpDecl) 1045a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 104694cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 104794cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1048a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCImpDecl; 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1050e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1051e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1052e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1053e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1054e992af01d14e2e31037562c123af0a71ae1ed374Fariborz JahanianParser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1055e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1056e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1057e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1058df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1059e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1060e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1061e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1062243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1063243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1064df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1065e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1066e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1067e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1068243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1069243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1070243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 10718cd8c66914638429294ac510a4f15f43ba7f36a5Fariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@compatibility_alias"); 1072243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return 0; 1073243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1074243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian DeclTy *ClsType = Actions.ActOnCompatiblityAlias(atLoc, 1075243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian aliasId, aliasLoc, 1076243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian classId, classLoc); 1077243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return ClsType; 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1080ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1081ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1082ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1083ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1084ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1085ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1086ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1087ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1088ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1089ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1090ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1091ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1092ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1093ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1094f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1095df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1096ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1097ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1098ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1099df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1100f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1101f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1102f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1103df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1104ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1105ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1106df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1107ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1108ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1109ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1110f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1111ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1112ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1113f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1114f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1115df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1116ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1117ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1118ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1119df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 1120ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@synthesize"); 1121ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1122ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1123ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1125ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1126ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1127ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1128ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1129ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1130ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1131ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1132ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1133ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1134ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1135df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1136ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1137ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1138ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1139df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1140c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1141c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1142c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1143c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1144c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1145df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1146ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1147ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1148ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1149df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 1150ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@dynamic"); 1151ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1152ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1153397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1154397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1155397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1156397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 115739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz JahanianParser::StmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 115839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ExprResult Res; 1159397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1160df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 116139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 1162397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian if (Res.isInvalid) { 1163397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 116439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian return true; 1165397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1166397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 116739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1168a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtThrowStmt(atLoc, Res.Val); 1169397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1170397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1171c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 117278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1173c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1174c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz JahanianParser::StmtResult Parser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1175fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1176fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 1177fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian Diag (Tok, diag::err_expected_lparen_after, "@synchronized"); 1178fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1179fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1180fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 118178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian ExprResult Res = ParseExpression(); 1182fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Res.isInvalid) { 1183fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 1184fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1185fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1186fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 118778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 1188fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1189fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1190fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 119178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 119278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 119378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return true; 119478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 11953ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 11963ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 11973ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff EnterScope(Scope::DeclScope); 11983ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 1199fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian StmtResult SynchBody = ParseCompoundStatementBody(); 12003ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 12013ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff ExitScope(); 1202fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (SynchBody.isInvalid) 1203fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1204fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.Val, SynchBody.Val); 1205c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1206c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1207397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1208397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1209397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1210397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1211397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1212397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1213397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1214397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1215397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1216397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1217397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 12186b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris LattnerParser::StmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1219397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 122064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1221397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1222df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1223397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 1224b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1225397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 12263b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtResult CatchStmts; 1227161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian StmtResult FinallyStmt; 1228397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian StmtResult TryBody = ParseCompoundStatementBody(); 1229bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (TryBody.isInvalid) 1230bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 12316b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1232df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 12336b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 12346b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 12356b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 12366b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 12376b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 12386b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 12396b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 12406b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1241161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1242cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 12433b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtTy *FirstPart = 0; 12443b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1245df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1246397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 12473b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian EnterScope(Scope::DeclScope); 1248df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1249397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1250397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 1251459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // For some odd reason, the name of the exception variable is 1252459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // optional. As a result, we need to use PrototypeContext. 1253459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Declarator DeclaratorInfo(DS, Declarator::PrototypeContext); 12543b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ParseDeclarator(DeclaratorInfo); 1255459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff if (DeclaratorInfo.getIdentifier()) { 1256459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclTy *aBlockVarDecl = Actions.ActOnDeclarator(CurScope, 125781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner DeclaratorInfo, 0); 1258459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff StmtResult stmtResult = 1259459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Actions.ActOnDeclStmt(aBlockVarDecl, 1260459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DS.getSourceRange().getBegin(), 1261459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclaratorInfo.getSourceRange().getEnd()); 1262459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff FirstPart = stmtResult.isInvalid ? 0 : stmtResult.Val; 1263459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff } 126464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1265397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 12663b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian SourceLocation RParenLoc = ConsumeParen(); 1267c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1268c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult CatchBody(true); 1269c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1270c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1271c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1272c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 12733b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian if (CatchBody.isInvalid) 12743b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1275a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, RParenLoc, 12763b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian FirstPart, CatchBody.Val, CatchStmts.Val); 12773b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ExitScope(); 127864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 1279161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after, 1280161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian "@catch clause"); 1281b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1282397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1283397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 12846b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 12856b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 128664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 1287c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1288c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult FinallyBody(true); 1289c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1290c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1291c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1292c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 1293161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian if (FinallyBody.isInvalid) 1294161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 1295a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 1296161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody.Val); 1297397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1298397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1299397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1300397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1301bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1302397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 1303bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian return true; 1304bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 1305a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.Val, CatchStmts.Val, 1306bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian FinallyStmt.Val); 1307397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1308ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 13093536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1310ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 131171c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve NaroffParser::DeclTy *Parser::ParseObjCMethodDefinition() { 1312a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DeclTy *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 1313ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1314df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 1315ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1316ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1317409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1318df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1319da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 1320409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1321409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1322409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 1323409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1324409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1325409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 132671c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return 0; 1327ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1328409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 1329409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1330409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 1331409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff EnterScope(Scope::FnScope|Scope::DeclScope); 1332409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1333409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1334394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1335394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ObjCActOnStartOfMethodDef(CurScope, MDecl); 1336409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1337409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff StmtResult FnBody = ParseCompoundStatementBody(); 1338409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1339409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 1340409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (FnBody.isInvalid) 1341409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 0, 0, false); 1342409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1343409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 1344409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff ExitScope(); 1345409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1346409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // TODO: Pass argument information. 1347394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ActOnFinishFunctionBody(MDecl, FnBody.Val); 134871c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13505508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 135164515f31850024a263e8f55f81e9ea4b39925cfaSteve NaroffParser::StmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 135264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 13536b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 135464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 135564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 135664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 135764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 135864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExprResult Res = ParseExpressionWithLeadingAt(AtLoc); 135964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Res.isInvalid) { 136064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 136164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 136264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 136364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 136464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return true; 136564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 136664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 136764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 136864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return Actions.ActOnExprStmt(Res.Val); 136964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 137064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1371a642beb9f143130588dcf622f5f7020832b22707Steve NaroffParser::ExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 13725508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13735508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1374b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1375b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 1376b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1377b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 1378b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner break; 137929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson } 138029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 138129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 1382674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner case tok::objc_encode: 1383674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 1384674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner case tok::objc_protocol: 13852a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 1386674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner case tok::objc_selector: 13872a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 1388674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner default: 1389674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 1390674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SkipUntil(tok::semi); 13919d49395a5b94fb6a981739b01366ae37a2753d89Chris Lattner return true; 13925508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 13935508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 13945508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13950ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-expr: 13960ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 13970ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 13980ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 13990ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 14000ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 14010ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 1402699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult Parser::ParseObjCMessageExpression() { 1403699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1404699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1405699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1406699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 140714dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1408699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 1409699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ConsumeToken(); 1410699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return ParseObjCMessageExpressionBody(LBracLoc, ReceiverName, 0); 1411699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1412699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1413699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprResult Res = ParseAssignmentExpression(); 1414699b66138ac307a32e238463e0eff513ff17d337Chris Lattner if (Res.isInvalid) { 1415699b66138ac307a32e238463e0eff513ff17d337Chris Lattner Diag(Tok, diag::err_invalid_receiver_to_message); 14165c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 1417699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Res; 1418699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1419699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return ParseObjCMessageExpressionBody(LBracLoc, 0, Res.Val); 1420699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 1421699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1422699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1423699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 14240ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 14260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 14270ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 14280ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14290ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 14300ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 14310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 14320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14330ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg: 14340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 14350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 14370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 14380ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14390ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 14400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 14410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 14420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 1443699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult 1444699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 1445699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 1446699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprTy *ReceiverExpr) { 1447a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 14484b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 14494b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian IdentifierInfo *selIdent = ParseObjCSelector(Loc); 145068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 145168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 145268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::ExprTy *, 12> KeyExprs; 145368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1454df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1455a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1456a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 145768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 145837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1459df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1460a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 1461a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian SkipUntil(tok::semi); 146237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return true; 1463a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 146468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 1465a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian /// Parse the expression after ':' 146637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff ExprResult Res = ParseAssignmentExpression(); 146737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (Res.isInvalid) { 146837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff SkipUntil(tok::identifier); 146937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return Res; 147037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 147137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 147268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyExprs.push_back(Res.Val); 1473a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian 147437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 14754b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian selIdent = ParseObjCSelector(Loc); 1476df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1477a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1478a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1479a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1480a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1481df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 148249f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 148349f109c786f99eb7468dac3976db083a65493444Steve Naroff /// Parse the expression after ',' 148449f109c786f99eb7468dac3976db083a65493444Steve Naroff ExprResult Res = ParseAssignmentExpression(); 148549f109c786f99eb7468dac3976db083a65493444Steve Naroff if (Res.isInvalid) { 148649f109c786f99eb7468dac3976db083a65493444Steve Naroff SkipUntil(tok::identifier); 148749f109c786f99eb7468dac3976db083a65493444Steve Naroff return Res; 148849f109c786f99eb7468dac3976db083a65493444Steve Naroff } 148949f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 149049f109c786f99eb7468dac3976db083a65493444Steve Naroff KeyExprs.push_back(Res.Val); 1491a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1492a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1493a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 1494a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian SkipUntil(tok::semi); 14950ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1496a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1497ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1498df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1499a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 1500a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian SkipUntil(tok::semi); 15010ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1502a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1503699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 150437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 150529238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1506ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1507ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1508ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 1509ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1510ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 151137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (ReceiverName) 15120523aaf9759cd9524956f0930558737458849743Fariborz Jahanian return Actions.ActOnClassMessage(CurScope, 1513699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ReceiverName, Sel, LBracLoc, RBracLoc, 151449f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 1515699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracLoc, RBracLoc, 151649f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 15170ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 15180ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 1519beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve NaroffParser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 15205508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ExprResult Res = ParseStringLiteralExpression(); 15215508518a2702b00be3b15a26d772bde968972f54Anders Carlsson if (Res.isInvalid) return Res; 1522b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1523b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1524b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1525b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1526b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1527b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<ExprTy*, 4> AtStrings; 1528b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1529b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1530b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1531b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1532b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1533b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1534b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner ExprResult Res(true); // Invalid unless there is a string literal. 1535b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (isTokenStringLiteral()) 1536b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Res = ParseStringLiteralExpression(); 1537b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner else 1538b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Diag(Tok, diag::err_objc_concat_string); 1539b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1540b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (Res.isInvalid) { 1541b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (!AtStrings.empty()) { 1542b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Actions.DeleteExpr(AtStrings.back()); 1543b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.pop_back(); 1544b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1545b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Res; 1546b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1547b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1548b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1549b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 155079a99f2c063ce7cd9b18852a39bf4c937fc1faf8Fariborz Jahanian 1551b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Actions.ParseObjCStringLiteral(&AtLocs[0], &AtStrings[0], 1552b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.size()); 15535508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1554f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1555f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1556f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 1557674af9541256dc3ef803e3723027a8b028f1f7a2Chris LattnerParser::ExprResult Parser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1558861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 1559f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1560f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 1561f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1562df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_paren)) { 1563f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson Diag(Tok, diag::err_expected_lparen_after, "@encode"); 1564f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return true; 1565f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1566f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1567f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 1568f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1569f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson TypeTy *Ty = ParseTypeName(); 1570f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 15714988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1572f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1573674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, Ty, 15744988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson RParenLoc); 1575f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 157629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 157729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 157829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 157929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 15802a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz JahanianParser::ExprResult Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) 158129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson{ 158229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 158329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1584df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_paren)) { 158529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson Diag(Tok, diag::err_expected_lparen_after, "@protocol"); 158629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson return true; 158729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson } 158829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 158929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 159029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1591df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 159229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson Diag(Tok, diag::err_expected_ident); 159329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson return true; 159429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson } 1595390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 159629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 159729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 15984988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 159929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1600390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 1601390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian LParenLoc, RParenLoc); 160229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1603a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1604a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1605a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 16062a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz JahanianParser::ExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) 1607a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian{ 1608a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 1609a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1610a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 1611a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian Diag(Tok, diag::err_expected_lparen_after, "@selector"); 1612a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian return 0; 1613a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1614a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1615b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1616a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1617a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 1618a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); 1619a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) { 1620a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 1621a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian return 0; 1622a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1623b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1624887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1625887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1626a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 1627a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.isNot(tok::colon)) { 1628a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 1629a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1630a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1631cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1632a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1633a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1634a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1635a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1636a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 1637a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 1638b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1639a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1640a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1641a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1642887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1643a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1644887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 16452a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, LParenLoc, 1646b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian RParenLoc); 164758065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1648