ParseObjc.cpp revision b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2
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" 17a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl#include "AstGuard.h" 18500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2691fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 3091fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 31b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtDirectives() { 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 355ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 365ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 375ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 385ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 395ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 405ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 54b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// objc-class-declaration: 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 62b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 67df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 70b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 75df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 83b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 85e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardClassDeclaration(atLoc, 863536b443bc50d58a79f14fca9b6842541a434854Steve Naroff &ClassNames[0], ClassNames.size()); 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 89dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 90dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 91dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 92dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 93dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 94dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 95dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier objc-superclass[opt] 96dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 98dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier '(' identifier[opt] ')' 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 117b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtInterfaceDeclaration( 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 119861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 123df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 125b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 127dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1287ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 130dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 131df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 132dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 134dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 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. 142b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 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 ';' 147b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1506bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner 151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 1526bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner SourceLocation EndProtoLoc; 153b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 1546bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner if (Tok.is(tok::less) && 1556bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 156b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1576bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 161b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy CategoryType = Actions.ActOnStartCategoryInterface(atLoc, 1623a165b066e665870c163af64844073a664c042d0Steve Naroff nameId, nameLoc, categoryId, categoryLoc, 163423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff &ProtocolRefs[0], ProtocolRefs.size(), 1646bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner EndProtoLoc); 165fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian 166fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 167bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return CategoryType; 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 173df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 175df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 177b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 181dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 183b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<Action::DeclPtrTy, 8> ProtocolRefs; 18406036d3709955a53297b4cbe14e20db88f321470Chris Lattner SourceLocation EndProtoLoc; 18506036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 18606036d3709955a53297b4cbe14e20db88f321470Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 187b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 18806036d3709955a53297b4cbe14e20db88f321470Chris Lattner 189b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ClsType = 19006036d3709955a53297b4cbe14e20db88f321470Chris Lattner Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 19106036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 19206036d3709955a53297b4cbe14e20db88f321470Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 19306036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 194f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 195df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 19660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 197dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 19825e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 199bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ClsType; 200dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 201dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 202dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 204dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 205294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2063536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 207dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 210294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 211294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 212294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 213294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 214b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCInterfaceDeclList(DeclPtrTy interfaceDecl, 215cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 216b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> allMethods; 217b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 16> allProperties; 218b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> allTUVariables; 21900933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 22060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 221bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner SourceLocation AtEndLoc; 222bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 223294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 224e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 225df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 226b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy methodPrototype = 227df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 22825e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2293536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2303536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 231b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 232b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 233294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 234294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 235f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian 236e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 237e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 238294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 239e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 240e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 241e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 242bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 243e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 244e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 245e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 246e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 247e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 2481fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 2491fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 2501fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 2511fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 2521fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 2531fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner 2544985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 2554985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 256b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy VFDecl = ParseDeclarationOrFunctionDefinition(); 25738e24c782c17b6058bf61d635747bbde19fb1bc7Fariborz Jahanian allTUVariables.push_back(VFDecl); 258e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 259e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 260e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 261e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 262e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 263a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 264e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 265a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 266e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtEndLoc = AtLoc; 267e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 268bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 269e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 270bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 271bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 272bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 273a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 274a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 275bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 276bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 277bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 278bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 279f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 280bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 281a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 282a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 283a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 284a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 285a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 286a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 287bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 288e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 289bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 290a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 291bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 292a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 293a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 294a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 295f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 296f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 297f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 298e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 299e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse property attribute list, if any. 3008ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 301e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseObjCPropertyAttribute(OCDS); 302dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 303e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 304e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 305e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 306e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseStructDeclaration(DS, FieldDeclarators); 307e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 308a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 309a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 310a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner 311e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Convert them all to property declarations. 312e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 313e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 314da3253d8a97981257185c89ced71ce137278b121Chris Lattner if (FD.D.getIdentifier() == 0) { 315ef708fd4abccf4d21b1f82ab2ab62f6ae7cc1265Chris Lattner Diag(AtLoc, diag::err_objc_property_requires_field_name) 316ef708fd4abccf4d21b1f82ab2ab62f6ae7cc1265Chris Lattner << FD.D.getSourceRange(); 317da3253d8a97981257185c89ced71ce137278b121Chris Lattner continue; 318da3253d8a97981257185c89ced71ce137278b121Chris Lattner } 319573acde1db5cb3e216e3d63fee173230834093d8Fariborz Jahanian if (FD.BitfieldSize) { 320573acde1db5cb3e216e3d63fee173230834093d8Fariborz Jahanian Diag(AtLoc, diag::err_objc_property_bitfield) 321573acde1db5cb3e216e3d63fee173230834093d8Fariborz Jahanian << FD.D.getSourceRange(); 322573acde1db5cb3e216e3d63fee173230834093d8Fariborz Jahanian continue; 323573acde1db5cb3e216e3d63fee173230834093d8Fariborz Jahanian } 324da3253d8a97981257185c89ced71ce137278b121Chris Lattner 325e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Install the property declarator into interfaceDecl. 326da3253d8a97981257185c89ced71ce137278b121Chris Lattner IdentifierInfo *SelName = 327da3253d8a97981257185c89ced71ce137278b121Chris Lattner OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 328da3253d8a97981257185c89ced71ce137278b121Chris Lattner 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector GetterSel = 330da3253d8a97981257185c89ced71ce137278b121Chris Lattner PP.getSelectorTable().getNullarySelector(SelName); 331e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner IdentifierInfo *SetterName = OCDS.getSetterName(); 3322e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian Selector SetterSel; 3332e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian if (SetterName) 3342e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian SetterSel = PP.getSelectorTable().getSelector(1, &SetterName); 3352e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian else 3362e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian SetterSel = SelectorTable::constructSetterName(PP.getIdentifierTable(), 3372e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian PP.getSelectorTable(), 3382e050f11c49e385ad6d5f5d91a6045f482bbdb77Fariborz Jahanian FD.D.getIdentifier()); 3398cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian bool isOverridingProperty = false; 340b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy Property = Actions.ActOnProperty(CurScope, AtLoc, FD, OCDS, 341b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner GetterSel, SetterSel, 342b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner interfaceDecl, 343b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner &isOverridingProperty, 344b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner MethodImplKind); 3458cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian if (!isOverridingProperty) 3468cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian allProperties.push_back(Property); 347e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 348a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 349f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 350294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 351bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 352bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 353bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 354bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_end)) 355bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 356bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 357bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 358bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 359a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 360bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 3618a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3628a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.empty() ? 0 : &allMethods[0], 3638a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.size(), 3648a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.empty() ? 0 : &allProperties[0], 36538e24c782c17b6058bf61d635747bbde19fb1bc7Fariborz Jahanian allProperties.size(), 36638e24c782c17b6058bf61d635747bbde19fb1bc7Fariborz Jahanian allTUVariables.empty() ? 0 : 36738e24c782c17b6058bf61d635747bbde19fb1bc7Fariborz Jahanian &allTUVariables[0], 36838e24c782c17b6058bf61d635747bbde19fb1bc7Fariborz Jahanian allTUVariables.size()); 369294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 370294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 371d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 372d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 373d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 374d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 375d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 376d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 377d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 378d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 379d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 380d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 381d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 382d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 383d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 384d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 385d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 386d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 3877caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 3888ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 389dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 390dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 391cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 392d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 393f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 394f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 395f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 396f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 397f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 398f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 399f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 400156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 401156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 40292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 403e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 40492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 405e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 40692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 407e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 40892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 409e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 41092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 411e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 41292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 413e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 41492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 415e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 416156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", 417156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 418dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 419156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 4208ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.isNot(tok::identifier)) { 4211ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_ident); 4228ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 4238ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4248ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 4258ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner 4265fd80fada1eeecd279af8333a7f58b86d8df8016Chris Lattner if (II->getName()[0] == 's') { 4278ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 4288ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setSetterName(Tok.getIdentifierInfo()); 429156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 430156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 431156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "", 432156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 4338ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4348ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 4358ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 4368ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setGetterName(Tok.getIdentifierInfo()); 437156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4388ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 439e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 440a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 441cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 442cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 443cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 44482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 445156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 446156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 447dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 448156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 449d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 450156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 451156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 452d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 453d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4543536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 455ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4563536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 457294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 458294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 459294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 460294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4614985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4624985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4634985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 464b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodPrototype(DeclPtrTy IDecl, 465b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 466df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 467294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 468294494e1cce92043562b4680c613df7fd028c02eSteve Naroff tok::TokenKind methodType = Tok.getKind(); 469bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 470294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 471b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl,MethodImplKind); 4723536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4732bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 474f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 475294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 476294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 477294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 478294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 479294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 480294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 481294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 482294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 483294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 484294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4854b6c9051c6522894978c9ba6a819a659d102db36Fariborz JahanianIdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { 486ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 487ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 488ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 489ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 490ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 491ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 4929298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 493ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 494ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 495ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 496ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 497ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 498ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 499ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 500ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 501ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 502ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 503ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 504ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 505ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 506ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 507ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 508ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 509ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 510ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 511ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 512ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 513ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 514ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 515ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 516ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 517ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 518ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 519ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 520ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 521ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 522ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 523ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 524ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 525ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 526ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 527ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 528ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 529ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 530ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 531ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 532ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 533ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 534ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 536ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 537ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 538ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 539ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 540ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 541ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 542ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 543ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 544ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 545ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 546ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 547ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 548ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 549ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 550ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 551ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 552ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 553ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 554ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 555ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 556ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 557ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 558ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 5594b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 560ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 561d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 562294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 563294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5640196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5650196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 566335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5673ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5683ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5693ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 570335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian return (getLang().ObjC2 && Tok.is(tok::identifier) && 5715ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 5720196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5730196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 574a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 575e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 576e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 577294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 578294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 579294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 580294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 581294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 582a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 583e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 584cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 585e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 586e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 587e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 588e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 589a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 590e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 591e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 592a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 593e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 594e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 595a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 596a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 597a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 598a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 599a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 600a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 601e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 602a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 603e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 604e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 605e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 606e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 607e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 608e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 609e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 610e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 611e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 612e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 613e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 614e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 615e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 616e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 617a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 618df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 619294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6204a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 621e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 622294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 62319d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 624a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6254fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 6264a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner TypeTy *Ty = 0; 627809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 628809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult TypeSpec = ParseTypeName(); 629809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 630809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 631809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 632e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 6334a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 6344a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 6354a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 636e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 6371ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 6384a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 6394a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 6404a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 6414a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 6424a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 643294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 644f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 645294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 646294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 647294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 648294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6494985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 650294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 652294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 653294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6547ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-decl 655294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 656294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 657294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 6587ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 6597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 6607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 6617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 662294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6634985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 6644985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6664985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6674985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 668294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6694985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 670294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 671294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6737ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6747ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 675b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDecl(SourceLocation mLoc, 676b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::TokenKind mType, 677b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy IDecl, 678b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 679e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 680ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 681a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 682df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 683f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 684e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 685bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 686bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); 687e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 68884c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 68984c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 6901ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 6911ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 692e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 693e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 694b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 695e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 696e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 697439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian llvm::SmallVector<Declarator, 8> CargNames; 698df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 699ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 700ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 701df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 702ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 703ff38491c18b060526d754765b952f4a497a89416Chris Lattner 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 705bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7061f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 707439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian 0, 0, 0, CargNames, 708439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian MethodAttrs, MethodImplKind); 709ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 710f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 71168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 71268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; 713a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; 71468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> ArgNames; 715ff38491c18b060526d754765b952f4a497a89416Chris Lattner 716ff38491c18b060526d754765b952f4a497a89416Chris Lattner Action::TypeTy *TypeInfo; 717ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 718ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(SelIdent); 71968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 720ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 721df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 722ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 723ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 724ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 725ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 726a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSType; 727e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type. 728f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian TypeInfo = ParseObjCTypeName(DSType); 729ff38491c18b060526d754765b952f4a497a89416Chris Lattner else 730ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeInfo = 0; 731ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyTypes.push_back(TypeInfo); 732f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ArgTypeQuals.push_back(DSType); 733f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 734ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 735df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 736ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseAttributes(); // FIXME: pass attributes through. 7377ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 738df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 739ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 740ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7414985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 742ff38491c18b060526d754765b952f4a497a89416Chris Lattner ArgNames.push_back(Tok.getIdentifierInfo()); 743ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 744ff38491c18b060526d754765b952f4a497a89416Chris Lattner 745ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7464b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7474b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 748df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 749ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 750ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 751ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 752ff38491c18b060526d754765b952f4a497a89416Chris Lattner 753335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 754335eafa5be51f6440672a74c73d588af72e96732Steve Naroff 755ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 756df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 757ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 758df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 759335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 7604985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 761ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7624985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 763ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 764ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 765ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the declarator. 766ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 768439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian CargNames.push_back(ParmDecl); 7694985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 770ff38491c18b060526d754765b952f4a497a89416Chris Lattner 771ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 772e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 773ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 774df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 775ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 776ff38491c18b060526d754765b952f4a497a89416Chris Lattner 777ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 778ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 779bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7801f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 781f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian &ArgTypeQuals[0], &KeyTypes[0], 782439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian &ArgNames[0], CargNames, 783439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian MethodAttrs, 784335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 785294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 786294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 787dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 788dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 789dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 7907caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 791b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclPtrTy> &Protocols, 792e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, SourceLocation &EndLoc) { 793e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 794e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 795e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); // the "<" 796e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 797e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 798e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 799e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 800e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 801e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 802e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 803e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 804e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 805e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 806e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 807e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 808e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 809e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 810e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 811e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 812e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 813e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 814e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 815e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 816e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 817e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 818e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 819e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 820e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 821e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 822e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 823e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 824e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 825e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 826e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 827e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 828e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 829dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 830dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 831dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 832dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 833dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 834dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 835dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 836dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 837dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 838dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 839dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 840dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 841dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 842dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 843dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 844ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 845dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 846dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 847dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// struct-declaration 848dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 849b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCClassInstanceVariables(DeclPtrTy interfaceDecl, 85060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 851df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 852b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> AllIvarDecls; 853e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 854e13594279a952537ac903325efff57e3edca79d9Chris Lattner 8551a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 85672de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 857ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 858ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 859aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 860ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 861df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 862ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 863ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 864ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 865df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 866ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::ext_extra_struct_semi); 867ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 868ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 869ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 870e13594279a952537ac903325efff57e3edca79d9Chris Lattner 871ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 872df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 873ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 874861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 875ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 876ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 877ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 878ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 879861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 880ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 881ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 882ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 883ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 884ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 885ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 886ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 887e13594279a952537ac903325efff57e3edca79d9Chris Lattner 888e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 889e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 890e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarators.clear(); 891e13594279a952537ac903325efff57e3edca79d9Chris Lattner ParseStructDeclaration(DS, FieldDeclarators); 892e13594279a952537ac903325efff57e3edca79d9Chris Lattner 893e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Convert them all to fields. 894e13594279a952537ac903325efff57e3edca79d9Chris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 895e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 896e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Install the declarator into interfaceDecl. 897b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy Field = Actions.ActOnIvar(CurScope, 898b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DS.getSourceRange().getBegin(), 899b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner FD.D, FD.BitfieldSize, visibility); 900e13594279a952537ac903325efff57e3edca79d9Chris Lattner AllIvarDecls.push_back(Field); 9017d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian } 9023536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 903df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 904ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 905ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 906ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 907ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 908ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 909ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 910ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 91160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 9128749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 9138749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 9148749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 9158749be53f53384e7846502791ceda6c657228d07Steve Naroff &AllIvarDecls[0], AllIvarDecls.size(), 9161bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 917ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 919dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 920dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 921dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 922dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 923dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 924dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 925dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier 926dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 9273536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list 928dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 929dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 930dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 931dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 932dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 933dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 9343536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 935dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 936b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 937b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner AttributeList *attrList) { 938861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 9397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 9407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9417ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 942df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 944b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 9457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 950df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9517caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 953bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 954bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 9557ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9567caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 957df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 9587caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 9597caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 9607caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 9627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 9637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 964df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 9667ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 967b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 9687ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9697caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 9707caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 9717ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 9727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 973df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 9747ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 9757ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9767ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 9777ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 978b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 9797caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 980e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 98137e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff &ProtocolRefs[0], 982bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 983bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 9847caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 9857caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9867ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 987e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation EndProtoLoc; 9887caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 989b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 9907caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 991e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 992b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 99325e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian 994b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ProtoType = 995e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 996e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 997246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 99825e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 999bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1000dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1001dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1002dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1003dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1004dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1005dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1006dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1007dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1008dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1009dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1010dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1011dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1012b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtImplementationDeclaration( 1013ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1014ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1015ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1016ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 1017ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1018df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1019ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1020b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1021ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1022ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1023ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1024ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1025ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1026df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1027ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1028ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1029ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1030ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 1031ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1032df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1033ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1034ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1035ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1036ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1037b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1038ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1039df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1040ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1041ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1042b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1043ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1044ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1045b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplCatType = Actions.ActOnStartCategoryImplementation( 10468f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian atLoc, nameId, nameLoc, categoryId, 10478f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1048a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1049b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1050ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1051ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1052ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1053ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1054df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1055ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1056ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1057df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1058ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1059b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1060ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1061ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1062ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1063ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1064b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplClsType = Actions.ActOnStartClassImplementation( 1065cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1066ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 1067ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian 106860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 106960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1070a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 1071ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1072b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 107460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1075b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1076ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1077ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1078b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy Result = ObjCImpDecl; 1079ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1080a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1081a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 1082b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner ObjCImpDecl = DeclPtrTy(); 1083a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 108494cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 108594cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1086a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1088e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1089e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1090e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1091e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1092b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1093e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1094e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1095e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1096df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1097e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1098b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1099e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1100243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1101243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1102df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1103e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1104b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1105e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1106243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1107243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1108243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 11091ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1110b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1111243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1112b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1113b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1116ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1117ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1118ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1119ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1120ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1121ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1122ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1123ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1125ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1126ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1127b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1128ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1129ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1130f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1131df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1132ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1133b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1134ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1135b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner 1136df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1137f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1138f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1139f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1140df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1141ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1142ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1143df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1144ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1145ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1146ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1147f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1148ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1149ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1150f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1151f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1152df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1153ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1154ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1155ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1156df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 11571ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1158b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1159ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1160ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1161ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1162ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1163ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1164ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1165ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1166ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1167ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1168b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1169ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1170ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1171ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1172df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1173ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1174b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1175ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1176df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1177c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1178c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1179c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1180c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1181c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1182df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1183ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1184ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1185ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1186df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 11871ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 1188b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1189ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1190397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1191397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1192397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1193397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 119443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 119515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions); 1196397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1197df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 119839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 11990e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1200397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 120143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1202397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1203397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 120439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1205e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res), CurScope); 1206397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1207397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1208c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 120978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1210c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 121143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult 121243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1213fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1214fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 12151ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 121643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1217fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1218fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 12192f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 12200e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1221fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 122243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1223fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1224fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 12251ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 122643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1227fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1228fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 122978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 12301ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 123143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 123278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 12333ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 12343ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 12358935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 12363ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 123761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult SynchBody(ParseCompoundStatementBody()); 12380e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 12398935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 12400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1241fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 124276ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtSynchronizedStmt(atLoc, move(Res), move(SynchBody)); 1243c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1244c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1245397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1246397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1247397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1248397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1249397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1250397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1251397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1252397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1253397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1254397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1255397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 125643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1257397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 125843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1259397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1260df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 12611ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 126243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1263397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 126415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchStmts(Actions); 126515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyStmt(Actions); 12668935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 126761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult TryBody(ParseCompoundStatementBody()); 12688935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 12690e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1270bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1271a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1272df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 12736b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 12746b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 12756b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 12766b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 12776b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 12786b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 12796b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 12800e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1281161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1282cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1283b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy FirstPart; 12843b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1285df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1286397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1287e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1288df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1289397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1290397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 129143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 12927ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // optional. As a result, we need to use "PrototypeContext", because 12937ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // we must accept either 'declarator' or 'abstract-declarator' here. 12947ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff Declarator ParmDecl(DS, Declarator::PrototypeContext); 12957ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 12967ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 12977ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // Inform the actions module about the parameter declarator, so it 12987ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 12997ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff FirstPart = Actions.ActOnParamDeclarator(CurScope, ParmDecl); 130064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1301397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 13023b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian SourceLocation RParenLoc = ConsumeParen(); 1303c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 130415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchBody(Actions, true); 1305c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1306c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1307c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1308c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13090e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 13103b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 13110e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 13127ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff RParenLoc, FirstPart, move(CatchBody), 131376ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(CatchStmts)); 131464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 13151ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 13161ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 131743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1318397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1319397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 13206b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 13216b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 132264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 13238935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 13240e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 132515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyBody(Actions, true); 1326c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1327c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1328c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1329c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13300e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1331161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 13320e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 133376ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyBody)); 1334397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1335397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1336397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1337397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1338bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1339397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 134043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1341bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 134276ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtTryStmt(atLoc, move(TryBody), move(CatchStmts), 134376ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyStmt)); 1344397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1345ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 13463536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1347ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1348b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDefinition() { 1349b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 135073e80f695e141fe08315c5fdefa38c95d72299bbChris Lattner 135149f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(MDecl, Tok.getLocation(), Actions, 135249f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 135349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing Objective-C method"); 135473e80f695e141fe08315c5fdefa38c95d72299bbChris Lattner 1355ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1356df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 1357ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1358ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1359409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1360df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1361da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 1362409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1363409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1364409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 1365409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1366409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1367409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1368b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1369ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1370409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 1371409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1372409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 13738935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 1374409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1375409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1376394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1377ebf6443a4f493233f7e8d92b3a991848c8b1c00dSteve Naroff Actions.ActOnStartOfObjCMethodDef(CurScope, MDecl); 137861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 137961364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult FnBody(ParseCompoundStatementBody()); 138061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1381409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 13820e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1383a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1384a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1385798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 138632ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff // TODO: Pass argument information. 138732ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff Actions.ActOnFinishFunctionBody(MDecl, move(FnBody)); 138832ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff 1389409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 13908935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1391798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 139271c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13945508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 139543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 139664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 13976b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 139864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 139964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 140064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 140164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1402d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 14030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 140464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 140564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 140664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 140764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 140843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 140964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 141064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 141164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 141276ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnExprStmt(move(Res)); 141364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 141464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 14151d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 14165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1417b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1418b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 14191d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1420b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 14214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 14221d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 14232f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 14244fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 14254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 14261d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 14274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 14281d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 14294fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 14301d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 14314fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 14321d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 14334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 14345508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 14355508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 14365508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 14370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-expr: 14380ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 14390ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 14410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 14420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 14430ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 14441d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCMessageExpression() { 1445699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1446699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1447699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1448699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 144914dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1450699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 14515cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc = ConsumeToken(); 14521d922960e083906a586609ac6978678147250177Sebastian Redl return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 14531d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg(Actions)); 1454699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1455699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 14562f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 14570e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 14585c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 14591d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 1460699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 14611d922960e083906a586609ac6978678147250177Sebastian Redl 14620e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 146376ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl 0, move(Res)); 1464699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 14651d922960e083906a586609ac6978678147250177Sebastian Redl 1466699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1467699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 14681d922960e083906a586609ac6978678147250177Sebastian Redl/// 14690ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 14700ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 14710ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 14720ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14730ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 14740ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 14750ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 14760ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14770ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg: 14780ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 14790ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14800ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 14810ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 14820ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14830ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 14840ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 14850ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 14861d922960e083906a586609ac6978678147250177Sebastian Redl/// 14871d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 1488699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 14895cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc, 1490699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 14911d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 1492a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 14934b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 14944b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian IdentifierInfo *selIdent = ParseObjCSelector(Loc); 149568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1496ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 1497ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson 149868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1499a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 150068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1501df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1502a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1503a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 150468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 150537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1506df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1507a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 15084fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15104fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15114fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15121d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1513a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15141d922960e083906a586609ac6978678147250177Sebastian Redl 151568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 1516a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian /// Parse the expression after ':' 15172f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 15180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 15194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15231d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 152437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 15251d922960e083906a586609ac6978678147250177Sebastian Redl 152637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 1527effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 15281d922960e083906a586609ac6978678147250177Sebastian Redl 152937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 15304b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian selIdent = ParseObjCSelector(Loc); 1531df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1532a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1533a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1534a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1535a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1536df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 153749f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 153849f109c786f99eb7468dac3976db083a65493444Steve Naroff /// Parse the expression after ',' 15392f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 15400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 15414fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15424fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15451d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 154649f109c786f99eb7468dac3976db083a65493444Steve Naroff } 15470e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 154849f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 1549effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 1550a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1551a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1552a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 15531d922960e083906a586609ac6978678147250177Sebastian Redl 15544fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15554fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15564fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15574fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15581d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1559a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15601d922960e083906a586609ac6978678147250177Sebastian Redl 1561df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1562a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 15634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15654fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15664fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15671d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1568a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15691d922960e083906a586609ac6978678147250177Sebastian Redl 1570699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 15711d922960e083906a586609ac6978678147250177Sebastian Redl 157229238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1573ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1574ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1575ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 15761d922960e083906a586609ac6978678147250177Sebastian Redl 1577ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 15781d922960e083906a586609ac6978678147250177Sebastian Redl if (ReceiverName) 15791d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnClassMessage(CurScope, ReceiverName, Sel, 1580ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson LBracLoc, NameLoc, SelectorLoc, 1581ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson RBracLoc, 15821d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 15831d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnInstanceMessage(ReceiverExpr.release(), Sel, 1584ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson LBracLoc, SelectorLoc, RBracLoc, 15851d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 15860ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 15870ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 15881d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 158920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult Res(ParseStringLiteralExpression()); 15901d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 15911d922960e083906a586609ac6978678147250177Sebastian Redl 1592b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1593b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1594b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1595b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1596a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 1597b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1598effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 15990e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1600b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1601b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1602b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 160315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 160497cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 160597cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 1606b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 160797cf6eb380016db868866faf27a086cd55a316d4Chris Lattner OwningExprResult Lit(ParseStringLiteralExpression()); 16080e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 16091d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 16100e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1611effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 1612b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 16131d922960e083906a586609ac6978678147250177Sebastian Redl 16141d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 16151d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 16165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1617f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1618f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1619f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 16201d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 16211d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1622861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 16231d922960e083906a586609ac6978678147250177Sebastian Redl 1624f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 16251d922960e083906a586609ac6978678147250177Sebastian Redl 16264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16271d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 16281d922960e083906a586609ac6978678147250177Sebastian Redl 1629f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 16301d922960e083906a586609ac6978678147250177Sebastian Redl 1631809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 16321d922960e083906a586609ac6978678147250177Sebastian Redl 16334988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 16341d922960e083906a586609ac6978678147250177Sebastian Redl 1635809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1636809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1637809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 1638809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 1639809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 1640f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 164129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 164229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 164329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 16441d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 16451d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 164629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 16471d922960e083906a586609ac6978678147250177Sebastian Redl 16484fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16491d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 16501d922960e083906a586609ac6978678147250177Sebastian Redl 165129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 16521d922960e083906a586609ac6978678147250177Sebastian Redl 16534fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 16541d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 16551d922960e083906a586609ac6978678147250177Sebastian Redl 1656390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 165729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 16581d922960e083906a586609ac6978678147250177Sebastian Redl 16594988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 166029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16611d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 16621d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 166329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1664a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1665a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1666a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 16671d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 16681d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 1669a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 16701d922960e083906a586609ac6978678147250177Sebastian Redl 16714fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16721d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 16731d922960e083906a586609ac6978678147250177Sebastian Redl 1674b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1675a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1676a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 1677a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); 16781d922960e083906a586609ac6978678147250177Sebastian Redl if (!SelIdent && Tok.isNot(tok::colon)) // missing selector name. 16791d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 16801d922960e083906a586609ac6978678147250177Sebastian Redl 1681b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1682887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1683887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1684a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 16854fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 16861d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 16871d922960e083906a586609ac6978678147250177Sebastian Redl 1688cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1689a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1690a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1691a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1692a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1693a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 1694a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 1695b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1696a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1697a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1698a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1699887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1700a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1701887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 17021d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 17031d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 170458065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1705