ParseObjc.cpp revision a1fed7e3beebf9bb1bc85123f283be3eb631c120
1a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek//===--- ParseObjC.cpp - Objective C Parsing ------------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Objective-C portions of the Parser interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 154985aceceb9b9261b876b515d32726175c13a775Steve Naroff#include "clang/Parse/DeclSpec.h" 163b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian#include "clang/Parse/Scope.h" 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/Diagnostic.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseExternalDeclaration: 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2591fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2691fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 30dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtDirectives() { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 345ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 355ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 365ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 375ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 385ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 395ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 405ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return 0; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// objc-class-declaration: 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 61dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 66df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 69dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 74df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 82dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 84e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardClassDeclaration(atLoc, 853536b443bc50d58a79f14fca9b6842541a434854Steve Naroff &ClassNames[0], ClassNames.size()); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 88dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 89dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 90dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 91dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 92dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 93dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 94dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier objc-superclass[opt] 95dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 96dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 98dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier '(' identifier[opt] ')' 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtInterfaceDeclaration( 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 118861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 122df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 130df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 131dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 132dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 134dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 135527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 136df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 137dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 139527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff } else if (!getLang().ObjC2) { 140527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 141527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff return 0; 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 143df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 145dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1496bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner 150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 1516bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner SourceLocation EndProtoLoc; 1526bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 1536bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner if (Tok.is(tok::less) && 1546bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 1556bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner return 0; 1566bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner 157dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 160e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *CategoryType = Actions.ActOnStartCategoryInterface(atLoc, 1613a165b066e665870c163af64844073a664c042d0Steve Naroff nameId, nameLoc, categoryId, categoryLoc, 162423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff &ProtocolRefs[0], ProtocolRefs.size(), 1636bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner EndProtoLoc); 164fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian 165fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 166bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return CategoryType; 167dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1717ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 172df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 174df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 181dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 18206036d3709955a53297b4cbe14e20db88f321470Chris Lattner llvm::SmallVector<Action::DeclTy*, 8> ProtocolRefs; 18306036d3709955a53297b4cbe14e20db88f321470Chris Lattner SourceLocation EndProtoLoc; 18406036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 18506036d3709955a53297b4cbe14e20db88f321470Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 18606036d3709955a53297b4cbe14e20db88f321470Chris Lattner return 0; 18706036d3709955a53297b4cbe14e20db88f321470Chris Lattner 18806036d3709955a53297b4cbe14e20db88f321470Chris Lattner DeclTy *ClsType = 18906036d3709955a53297b4cbe14e20db88f321470Chris Lattner Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 19006036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 19106036d3709955a53297b4cbe14e20db88f321470Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 19206036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 193f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 194df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 19560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 196dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 19725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 198bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ClsType; 199dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 200dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 2014d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// constructSetterName - Return the setter name for the given 2024d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// identifier, i.e. "set" + Name where the initial character of Name 2034d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// has been capitalized. 2044d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbarstatic IdentifierInfo *constructSetterName(IdentifierTable &Idents, 2054d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar const IdentifierInfo *Name) { 2064d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar unsigned N = Name->getLength(); 2074d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar char *SelectorName = new char[3 + N]; 2084d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar memcpy(SelectorName, "set", 3); 2094d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar memcpy(&SelectorName[3], Name->getName(), N); 2104d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar SelectorName[3] = toupper(SelectorName[3]); 2114d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar 2124d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar IdentifierInfo *Setter = 2134d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar &Idents.get(SelectorName, &SelectorName[3 + N]); 2144d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar delete[] SelectorName; 2154d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar return Setter; 2164d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar} 2174d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar 218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 221294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2223536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 223dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 224dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 225dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 226294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 227294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 228294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 229294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 23025e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl, 231cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 2328a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek llvm::SmallVector<DeclTy*, 32> allMethods; 23382a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian llvm::SmallVector<DeclTy*, 16> allProperties; 23400933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 23560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 236bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner SourceLocation AtEndLoc; 237bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 238294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 239e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 240df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 241df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner DeclTy *methodPrototype = 242df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 24325e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2443536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2453536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 246d16245b6d48c6b4e7bbd40713aed6565b882746dSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto"); 247294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 248294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 249f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian 250e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 251e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 252294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 253e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 254e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 255e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 256bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 257e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 258e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 259e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 260e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 261e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 2624985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 2634985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 2643536b443bc50d58a79f14fca9b6842541a434854Steve Naroff ParseDeclarationOrFunctionDefinition(); 265e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 266e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 267e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 268e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 269e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 270a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 271e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 272a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 273e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtEndLoc = AtLoc; 274e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 275bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 276e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 277bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 278bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 279bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 280a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 281a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 282bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 283bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 284bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 285bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 286a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner Diag(Tok, diag::err_objc_illegal_interface_qual); 287bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 288a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 289a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 290a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 291a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 292a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 293a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 294bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 295e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 296bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 297a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 298bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 299a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 300a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 301a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 302e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 303e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse property attribute list, if any. 304e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::l_paren)) { 305e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // property has attribute list. 306e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseObjCPropertyAttribute(OCDS); 307e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 308e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 309e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 310e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 311e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseStructDeclaration(DS, FieldDeclarators); 312e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 313a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 314a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 315a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner 316e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Convert them all to property declarations. 317e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 318e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 319e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Install the property declarator into interfaceDecl. 320e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector GetterSel = 321a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner PP.getSelectorTable().getNullarySelector(OCDS.getGetterName() 322a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ? OCDS.getGetterName() 323a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner : FD.D.getIdentifier()); 324e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner IdentifierInfo *SetterName = OCDS.getSetterName(); 325e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (!SetterName) 326e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SetterName = constructSetterName(PP.getIdentifierTable(), 327e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FD.D.getIdentifier()); 328e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector SetterSel = 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner PP.getSelectorTable().getUnarySelector(SetterName); 330e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclTy *Property = Actions.ActOnProperty(CurScope, 331e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtLoc, FD, OCDS, 332e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner GetterSel, SetterSel, 333e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner MethodImplKind); 334e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner allProperties.push_back(Property); 335e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 336a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 337f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 338294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 339bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 340bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 341bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 342bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_end)) 343bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 344bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 345bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 346bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 347a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 348bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 3498a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3508a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.empty() ? 0 : &allMethods[0], 3518a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.size(), 3528a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.empty() ? 0 : &allProperties[0], 3538a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.size()); 354294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 355294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 356d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 357d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 358d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 359d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 360d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 361d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 362d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 363d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 364d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 365d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 366d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 367d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 368d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 369d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 370d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 371d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 3727caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 373d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SourceLocation loc = ConsumeParen(); // consume '(' 374d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian while (isObjCPropertyAttribute()) { 375d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 376d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian // getter/setter require extra treatment. 377a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[objc_getter] || 378a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek II == ObjCPropertyAttrs[objc_setter]) { 379d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian // skip getter/setter part. 380d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SourceLocation loc = ConsumeToken(); 381df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 382d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); 383df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 384a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[objc_setter]) { 385a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 38682a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian DS.setSetterName(Tok.getIdentifierInfo()); 387d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); // consume method name 388df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 389d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_colon); 390d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren,true,true); 391d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 392d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 393d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 39482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian else { 395a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 39682a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian DS.setGetterName(Tok.getIdentifierInfo()); 39782a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian } 398d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 399d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 400d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_ident); 401cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner SkipUntil(tok::r_paren,true,true); 402cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner break; 403cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner } 404d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 405d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 406d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_objc_expected_equal); 407d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren,true,true); 408d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 409d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 410d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 41182a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 412a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_readonly]) 413a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 414a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_assign]) 415a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 416a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_readwrite]) 417a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 418a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_retain]) 419a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 420a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_copy]) 421a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 422a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_nonatomic]) 423a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 42482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 425d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian ConsumeToken(); // consume last attribute token 426df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { 427d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); 428d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian continue; 429d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 430df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::r_paren)) 431d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 432d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_rparen); 433d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::semi); 434d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian return; 435d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 436df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::r_paren)) 437d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian ConsumeParen(); 438d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 439d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_objc_expected_property_attr); 440d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren); // recover from error inside attribute list 441d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 442d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 443d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4443536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 445ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4463536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 447294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 448294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 449294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 450294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4534985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 45400933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz JahanianParser::DeclTy *Parser::ParseObjCMethodPrototype(DeclTy *IDecl, 455cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 456df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 457294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 458294494e1cce92043562b4680c613df7fd028c02eSteve Naroff tok::TokenKind methodType = Tok.getKind(); 459bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 460294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 4611f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl, MethodImplKind); 4623536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4632bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 464f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 465294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 466294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 467294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 468294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 469294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 470294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 471294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 472294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 473294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 474294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4754b6c9051c6522894978c9ba6a819a659d102db36Fariborz JahanianIdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { 476ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 477ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 478ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 479ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 480ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 481ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 4829298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 483ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 484ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 485ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 486ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 487ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 488ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 489ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 490ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 491ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 492ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 493ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 494ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 495ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 496ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 497ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 498ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 499ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 500ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 501ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 502ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 503ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 504ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 505ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 506ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 507ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 508ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 509ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 510ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 511ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 512ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 513ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 514ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 515ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 516ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 517ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 518ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 519ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 520ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 521ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 522ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 523ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 524ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 525ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 526ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 527ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 528ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 529ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 530ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 531ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 532ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 533ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 534ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 536ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 537ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 538ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 539ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 540ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 541ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 542ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 543ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 544ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 545ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 546ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 547ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 548ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 5494b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 550ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 551d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 552294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 553294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 554d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: one of 555d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly getter setter assign retain copy nonatomic 556d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 557d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanianbool Parser::isObjCPropertyAttribute() { 558df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 559d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 560d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian for (unsigned i = 0; i < objc_NumAttrs; ++i) 561a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[i]) return true; 562d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 563d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian return false; 564d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 565d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5660196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5670196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 568335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5693ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5703ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5713ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 572335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian return (getLang().ObjC2 && Tok.is(tok::identifier) && 5735ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 5740196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5750196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 576a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 577e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 578e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 579294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 580294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 581294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 582294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 583294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 584a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 585e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 586cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 587e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 588e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 589e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 590e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 591a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 592e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 593e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 594a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 595e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 596e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 597a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 598a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 599a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 600a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 601a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 602a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 603e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 604a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 605e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 606e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 607e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 608e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 609e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 610e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 611e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 612e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 613e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 614e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 615e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 616e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 617e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 618e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 619a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 620df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 621294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 622294494e1cce92043562b4680c613df7fd028c02eSteve Naroff SourceLocation LParenLoc = ConsumeParen(), RParenLoc; 623e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 624271f1a6373c3fe8fa457fe1ca6c0c908416110fdChris Lattner TypeTy *Ty = 0; 625294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 62619d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 627a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6284fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 629294494e1cce92043562b4680c613df7fd028c02eSteve Naroff if (isTypeSpecifierQualifier()) { 630f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff Ty = ParseTypeName(); 631f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff // FIXME: back when Sema support is in place... 632f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff // assert(Ty && "Parser::ParseObjCTypeName(): missing type"); 633294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 634e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 635df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 636e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 637e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.getLocation() == TypeStartLoc) { 638e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner Diag(Tok.getLocation(), diag::err_expected_type); 639e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 640e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } else { 641e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 642e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // place. Emit an error then return what we have as the type. 643e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 644e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 645294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 646294494e1cce92043562b4680c613df7fd028c02eSteve Naroff RParenLoc = ConsumeParen(); 647f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 648294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 649294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 650294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 651294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 653294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 655294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 656294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-decl 658294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 659294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 660294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 6617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 6627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 6637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 6647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6664985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 6674985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 668294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6694985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6704985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 671294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6724985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 673294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 674294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6757ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6767ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6777ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 678bef1185418705e16012b3dd50cd7c260c8d6b79cSteve NaroffParser::DeclTy *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 6791f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian tok::TokenKind mType, 6801f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *IDecl, 681cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) 68268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff{ 683e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 684ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 685a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 686df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 687f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 688e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 689bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 690bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); 691e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 692e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (!SelIdent) { // missing selector name. 693e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner Diag(Tok.getLocation(), diag::err_expected_selector_for_method, 694e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceRange(mLoc, Tok.getLocation())); 695e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 696e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 697e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner return 0; 698e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 699e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 700df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 701ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 702ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 703df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 705ff38491c18b060526d754765b952f4a497a89416Chris Lattner 706ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 707bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7081f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 709f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian 0, 0, 0, MethodAttrs, MethodImplKind); 710ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 711f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 71268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 71368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; 714a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; 71568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> ArgNames; 716ff38491c18b060526d754765b952f4a497a89416Chris Lattner 717ff38491c18b060526d754765b952f4a497a89416Chris Lattner Action::TypeTy *TypeInfo; 718ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 719ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(SelIdent); 72068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 721ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 722df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 723ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 724ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 725ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 726ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 727a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSType; 728e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type. 729f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian TypeInfo = ParseObjCTypeName(DSType); 730ff38491c18b060526d754765b952f4a497a89416Chris Lattner else 731ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeInfo = 0; 732ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyTypes.push_back(TypeInfo); 733f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ArgTypeQuals.push_back(DSType); 734f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 735ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 736df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 737ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseAttributes(); // FIXME: pass attributes through. 7387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 739df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 740ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 741ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7424985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 743ff38491c18b060526d754765b952f4a497a89416Chris Lattner ArgNames.push_back(Tok.getIdentifierInfo()); 744ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 745ff38491c18b060526d754765b952f4a497a89416Chris Lattner 746ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7474b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7484b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 749df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 750ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 751ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 752ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 753ff38491c18b060526d754765b952f4a497a89416Chris Lattner 754335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 755335eafa5be51f6440672a74c73d588af72e96732Steve Naroff 756ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 757df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 758ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 759df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 760335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 7614985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 762ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7634985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 764335eafa5be51f6440672a74c73d588af72e96732Steve Naroff // FIXME: implement this... 765ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the c-style argument declaration-specifier. 766ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 768ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the declarator. 769ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 770ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 7714985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 772ff38491c18b060526d754765b952f4a497a89416Chris Lattner 773ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 774e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 775ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 776df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 777ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 778ff38491c18b060526d754765b952f4a497a89416Chris Lattner 779ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 780ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 781bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7821f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 783f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian &ArgTypeQuals[0], &KeyTypes[0], 784335eafa5be51f6440672a74c73d588af72e96732Steve Naroff &ArgNames[0], MethodAttrs, 785335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 786294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 787294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 788dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 789dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 790dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 7917caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 792e13b9595dc1e2f4288bec34f3412359f648e84a5Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclTy*> &Protocols, 793e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, SourceLocation &EndLoc) { 794e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 795e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 796e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); // the "<" 797e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 798e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 799e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 800e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 801e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 802e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 803e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 804e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 805e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 806e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 807e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 808e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 809e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 810e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 811e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 812e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 813e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 814e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 815e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 816e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 817e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 818e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 819e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 820e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 821e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 822e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 823e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 824e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 825e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 826e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 827e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 828e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 829e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 830dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 831dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 832dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 833dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 834dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 835dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 836dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 837dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 838dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 839dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 840dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 841dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 842dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 843dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 844dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 845ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 846dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 847dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 848dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// struct-declaration 849dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 85060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroffvoid Parser::ParseObjCClassInstanceVariables(DeclTy *interfaceDecl, 85160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 852df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 8537d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian llvm::SmallVector<DeclTy*, 32> AllIvarDecls; 854e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 855e13594279a952537ac903325efff57e3edca79d9Chris Lattner 856ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 857ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 858aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 859ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 860df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 861ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 862ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 863ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 864df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 865ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::ext_extra_struct_semi); 866ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 867ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 868ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 869e13594279a952537ac903325efff57e3edca79d9Chris Lattner 870ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 871df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 872ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 873861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 874ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 875ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 876ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 877ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 878861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 879ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 880ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 881ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 882ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 883ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 884ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 885ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 886e13594279a952537ac903325efff57e3edca79d9Chris Lattner 887e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 888e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 889e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarators.clear(); 890e13594279a952537ac903325efff57e3edca79d9Chris Lattner ParseStructDeclaration(DS, FieldDeclarators); 891e13594279a952537ac903325efff57e3edca79d9Chris Lattner 892e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Convert them all to fields. 893e13594279a952537ac903325efff57e3edca79d9Chris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 894e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 895e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Install the declarator into interfaceDecl. 8961d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian DeclTy *Field = Actions.ActOnIvar(CurScope, 897e13594279a952537ac903325efff57e3edca79d9Chris Lattner DS.getSourceRange().getBegin(), 8981d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 899e13594279a952537ac903325efff57e3edca79d9Chris Lattner AllIvarDecls.push_back(Field); 9007d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian } 9013536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 902df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 903ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 904ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 905ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 906ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 907ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 908ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 909ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 91060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 9118749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 9128749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 9138749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 9148749be53f53384e7846502791ceda6c657228d07Steve Naroff &AllIvarDecls[0], AllIvarDecls.size(), 9151bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 916ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 918dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 919dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 920dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 921dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 922dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 923dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 924dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier 925dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 9263536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list 927dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 928dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 929dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 930dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 931dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 932dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 9333536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 934dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 935246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel DunbarParser::DeclTy *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 936246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar AttributeList *attrList) { 937861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 9387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 9397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 941df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9427ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 9437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9447ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 949df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9507caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 9527caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1); 9537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9547caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 955df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 9567caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 9577caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 9587caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 9607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 9617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 962df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 9647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 9657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9667ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9677caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 9687caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 9697ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 9707ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 971df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 9727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 9737ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9747ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 9757ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 9767ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9777caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 978e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 97937e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff &ProtocolRefs[0], 98037e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff ProtocolRefs.size()); 9817caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 9827caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9837ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 984e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation EndProtoLoc; 9857caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 986e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 9877caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 988e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 9897caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return 0; 99025e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian 991e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner DeclTy *ProtoType = 992e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 993e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 994246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 99525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 996bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 997dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 998dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 999dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1000dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1001dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1002dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1003dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1004dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1005dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1006dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1007dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1008dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1009dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1010ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtImplementationDeclaration( 1011ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1012ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1013ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1014ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 1015ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1016df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1017ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1018ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1019ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1020ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1021ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1022ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1023ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1024df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1025ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1026ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1027ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1028ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 1029ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1030df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1031ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1032ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1033ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1034ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1035ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1036ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1037df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1038ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1039ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1040ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1041ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1042ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1043e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplCatType = Actions.ActOnStartCategoryImplementation( 10448f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian atLoc, nameId, nameLoc, categoryId, 10458f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1046a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1047db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 1048ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1049ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1050ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1051ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1052df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1053ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1054ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1055df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1056ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1057ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1058ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1059ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1060ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1061ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1062e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplClsType = Actions.ActOnStartClassImplementation( 1063cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1064ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 1065ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian 106660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 106760fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1068a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 1069ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1070db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 107260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1073ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1074ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1075ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1076ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 107794cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian if (ObjCImpDecl) 1078a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 107994cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 108094cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1081a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCImpDecl; 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1083e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1084e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1085e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1086e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1087e992af01d14e2e31037562c123af0a71ae1ed374Fariborz JahanianParser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1088e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1089e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1090e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1091df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1092e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1093e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1094e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1095243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1096243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1097df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1098e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1099e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1100e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1101243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1102243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1103243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 11048cd8c66914638429294ac510a4f15f43ba7f36a5Fariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@compatibility_alias"); 1105243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return 0; 1106243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1107243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian DeclTy *ClsType = Actions.ActOnCompatiblityAlias(atLoc, 1108243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian aliasId, aliasLoc, 1109243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian classId, classLoc); 1110243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return ClsType; 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1113ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1114ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1115ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1116ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1117ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1118ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1119ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1120ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1121ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1122ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1123ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1125ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1126ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1127f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1128df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1129ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1130ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1131ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1132df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1133f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1134f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1135f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1136df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1137ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1138ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1139df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1140ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1141ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1142ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1143f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1144ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1145ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1146f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1147f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1148df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1149ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1150ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1151ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1152df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 1153ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@synthesize"); 1154ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1155ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1156ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1157ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1158ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1159ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1160ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1161ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1162ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1163ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1164ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1165ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1166ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1167ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1168df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1169ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1170ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1171ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1172df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1173c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1174c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1175c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1176c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1177c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1178df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1179ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1180ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1181ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1182df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 1183ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@dynamic"); 1184ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1185ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1186397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1187397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1188397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1189397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 119039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz JahanianParser::StmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 119139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ExprResult Res; 1192397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1193df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 119439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 1195397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian if (Res.isInvalid) { 1196397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 119739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian return true; 1198397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1199397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 120039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1201a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtThrowStmt(atLoc, Res.Val); 1202397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1203397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1204c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 120578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1206c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1207c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz JahanianParser::StmtResult Parser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1208fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1209fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 1210fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian Diag (Tok, diag::err_expected_lparen_after, "@synchronized"); 1211fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1212fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1213fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 121478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian ExprResult Res = ParseExpression(); 1215fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Res.isInvalid) { 1216fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 1217fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1218fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1219fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 122078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 1221fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1222fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1223fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 122478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 122578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 122678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return true; 122778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 12283ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 12293ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 12303ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff EnterScope(Scope::DeclScope); 12313ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 1232fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian StmtResult SynchBody = ParseCompoundStatementBody(); 12333ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 12343ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff ExitScope(); 1235fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (SynchBody.isInvalid) 1236fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1237fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.Val, SynchBody.Val); 1238c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1239c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1240397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1241397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1242397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1243397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1244397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1245397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1246397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1247397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1248397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1249397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1250397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 12516b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris LattnerParser::StmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1252397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 125364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1254397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1255df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1256397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 1257b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1258397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 12593b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtResult CatchStmts; 1260161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian StmtResult FinallyStmt; 12613527b59f246cde170e6877e3e62f78a95dbcdfceTed Kremenek EnterScope(Scope::DeclScope); 1262397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian StmtResult TryBody = ParseCompoundStatementBody(); 12633527b59f246cde170e6877e3e62f78a95dbcdfceTed Kremenek ExitScope(); 1264bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (TryBody.isInvalid) 1265bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 12666b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1267df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 12686b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 12696b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 12706b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 12716b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 12726b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 12736b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 12746b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 12756b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1276161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1277cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 12783b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtTy *FirstPart = 0; 12793b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1280df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1281397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 12823b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian EnterScope(Scope::DeclScope); 1283df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1284397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1285397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 1286459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // For some odd reason, the name of the exception variable is 1287459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // optional. As a result, we need to use PrototypeContext. 1288459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Declarator DeclaratorInfo(DS, Declarator::PrototypeContext); 12893b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ParseDeclarator(DeclaratorInfo); 1290459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff if (DeclaratorInfo.getIdentifier()) { 1291459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclTy *aBlockVarDecl = Actions.ActOnDeclarator(CurScope, 1292914701ed49f31323176a784b49df05a0d177d1adDaniel Dunbar DeclaratorInfo, 0); 1293459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff StmtResult stmtResult = 1294459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Actions.ActOnDeclStmt(aBlockVarDecl, 1295459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DS.getSourceRange().getBegin(), 1296459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclaratorInfo.getSourceRange().getEnd()); 1297459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff FirstPart = stmtResult.isInvalid ? 0 : stmtResult.Val; 1298459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff } 129964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1300397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 13013b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian SourceLocation RParenLoc = ConsumeParen(); 1302c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1303c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult CatchBody(true); 1304c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1305c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1306c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1307c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13083b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian if (CatchBody.isInvalid) 13093b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1310a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, RParenLoc, 13113b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian FirstPart, CatchBody.Val, CatchStmts.Val); 13123b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ExitScope(); 131364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 1314161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after, 1315161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian "@catch clause"); 1316b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1317397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1318397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 13196b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 13206b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 132164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 1322aefc36656d3113ef32a50cea9ae0621e07c8b26cTed Kremenek EnterScope(Scope::DeclScope); 1323aefc36656d3113ef32a50cea9ae0621e07c8b26cTed Kremenek 1324c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1325c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult FinallyBody(true); 1326c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1327c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1328c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1329c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 1330161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian if (FinallyBody.isInvalid) 1331161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 1332a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 1333161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody.Val); 1334397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1335aefc36656d3113ef32a50cea9ae0621e07c8b26cTed Kremenek ExitScope(); 1336397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1337397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1338397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1339bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1340397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 1341bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian return true; 1342bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 1343a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.Val, CatchStmts.Val, 1344bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian FinallyStmt.Val); 1345397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1346ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 13473536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1348ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 134971c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve NaroffParser::DeclTy *Parser::ParseObjCMethodDefinition() { 1350a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DeclTy *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 1351ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1352df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 1353ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1354ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1355409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1356df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1357da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 1358409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1359409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1360409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 1361409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1362409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1363409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 136471c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return 0; 1365ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1366409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 1367409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1368409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 1369409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff EnterScope(Scope::FnScope|Scope::DeclScope); 1370409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1371409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1372394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1373394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ObjCActOnStartOfMethodDef(CurScope, MDecl); 1374409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1375409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff StmtResult FnBody = ParseCompoundStatementBody(); 1376409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1377409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 1378409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (FnBody.isInvalid) 1379409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 0, 0, false); 1380409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1381409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 1382409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff ExitScope(); 1383409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1384409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // TODO: Pass argument information. 1385394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ActOnFinishFunctionBody(MDecl, FnBody.Val); 138671c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13885508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 138964515f31850024a263e8f55f81e9ea4b39925cfaSteve NaroffParser::StmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 139064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 13916b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 139264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 139364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 139464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 139564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 139664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExprResult Res = ParseExpressionWithLeadingAt(AtLoc); 139764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Res.isInvalid) { 139864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 139964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 140064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 140164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 140264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return true; 140364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 140464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 140564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 140664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return Actions.ActOnExprStmt(Res.Val); 140764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 140864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1409a642beb9f143130588dcf622f5f7020832b22707Steve NaroffParser::ExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 14105508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1411b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1412b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 1413b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1414b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 14154fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 14164fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14174fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 14184fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 14194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 14204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 14214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 14224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 14234fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 14244fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 14254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 14264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 14285508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 14295508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 14305508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 14310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-expr: 14320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 14330ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 14350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 14360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 14370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 1438699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult Parser::ParseObjCMessageExpression() { 1439699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1440699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1441699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1442699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 144314dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1444699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 1445699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ConsumeToken(); 1446699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return ParseObjCMessageExpressionBody(LBracLoc, ReceiverName, 0); 1447699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1448699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 144969d349a8743f156b965141cda80520bddda84601Chris Lattner ExprResult Res = ParseExpression(); 1450699b66138ac307a32e238463e0eff513ff17d337Chris Lattner if (Res.isInvalid) { 14515c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 1452699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Res; 1453699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 14544fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1455699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return ParseObjCMessageExpressionBody(LBracLoc, 0, Res.Val); 1456699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 1457699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1458699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1459699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 14600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 14620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 14630ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 14640ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14650ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 14660ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 14670ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 14680ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14690ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg: 14700ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 14710ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14720ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 14730ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 14740ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14750ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 14760ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 14770ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 14780ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 1479699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult 1480699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 1481699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 1482699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprTy *ReceiverExpr) { 1483a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 14844b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 14854b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian IdentifierInfo *selIdent = ParseObjCSelector(Loc); 148668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 148768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 148868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::ExprTy *, 12> KeyExprs; 148968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1490df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1491a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1492a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 149368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 149437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1495df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1496a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 14974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14984fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15004fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 150137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return true; 1502a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 150468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 1505a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian /// Parse the expression after ':' 150637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff ExprResult Res = ParseAssignmentExpression(); 150737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (Res.isInvalid) { 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); 151237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return Res; 151337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 15144fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 151537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 151668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyExprs.push_back(Res.Val); 1517a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian 151837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 15194b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian selIdent = ParseObjCSelector(Loc); 1520df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1521a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1522a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1523a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1524a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1525df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 152649f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 152749f109c786f99eb7468dac3976db083a65493444Steve Naroff /// Parse the expression after ',' 152849f109c786f99eb7468dac3976db083a65493444Steve Naroff ExprResult Res = ParseAssignmentExpression(); 152949f109c786f99eb7468dac3976db083a65493444Steve Naroff if (Res.isInvalid) { 15304fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15314fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15324fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 153449f109c786f99eb7468dac3976db083a65493444Steve Naroff return Res; 153549f109c786f99eb7468dac3976db083a65493444Steve Naroff } 15364fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 153749f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 153849f109c786f99eb7468dac3976db083a65493444Steve Naroff KeyExprs.push_back(Res.Val); 1539a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1540a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1541a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 15424fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 15434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15454fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15464fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15470ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1548a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1549ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1550df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1551a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 15524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15534fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15544fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15554fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15560ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1557a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1559699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 156037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 156129238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1562ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1563ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1564ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 1565ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1566ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 156737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (ReceiverName) 15680523aaf9759cd9524956f0930558737458849743Fariborz Jahanian return Actions.ActOnClassMessage(CurScope, 1569699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ReceiverName, Sel, LBracLoc, RBracLoc, 157049f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 1571699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracLoc, RBracLoc, 157249f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 15730ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 15740ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 1575beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve NaroffParser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 15765508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ExprResult Res = ParseStringLiteralExpression(); 15775508518a2702b00be3b15a26d772bde968972f54Anders Carlsson if (Res.isInvalid) return Res; 1578b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1579b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1580b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1581b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1582b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1583b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<ExprTy*, 4> AtStrings; 1584b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1585b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1586b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1587b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1588b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1589b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1590b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner ExprResult Res(true); // Invalid unless there is a string literal. 1591b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (isTokenStringLiteral()) 1592b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Res = ParseStringLiteralExpression(); 1593b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner else 1594b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Diag(Tok, diag::err_objc_concat_string); 1595b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1596b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (Res.isInvalid) { 1597b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (!AtStrings.empty()) { 1598b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Actions.DeleteExpr(AtStrings.back()); 1599b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.pop_back(); 1600b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1601b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Res; 1602b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1603b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1604b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1605b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 160679a99f2c063ce7cd9b18852a39bf4c937fc1faf8Fariborz Jahanian 1607b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Actions.ParseObjCStringLiteral(&AtLocs[0], &AtStrings[0], 1608b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.size()); 16095508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1610f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1611f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1612f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 1613674af9541256dc3ef803e3723027a8b028f1f7a2Chris LattnerParser::ExprResult Parser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1614861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 1615f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1616f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 1617f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16184fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_lparen_after, "@encode"); 1620f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1621f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 1622f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1623f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson TypeTy *Ty = ParseTypeName(); 1624f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16254988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1626f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1627674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, Ty, 16284988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson RParenLoc); 1629f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 163029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 163129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 163229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 163329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16342a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz JahanianParser::ExprResult Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) 163529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson{ 163629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 163729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16384fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16394fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_lparen_after, "@protocol"); 164029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 164129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 164229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 16444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); 16454fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1646390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 164729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 164829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16494988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 165029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1651390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 1652390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian LParenLoc, RParenLoc); 165329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1654a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1655a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1656a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 16572a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz JahanianParser::ExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) 1658a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian{ 1659a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 1660a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 16614fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16624fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_lparen_after, "@selector"); 1663a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1664b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1665a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1666a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 1667a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); 16684fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 16694fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); // missing selector name. 16704fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1671b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1672887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1673887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1674a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 16754fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 16764fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_colon); 16774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1678cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1679a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1680a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1681a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1682a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1683a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 1684a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 1685b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1686a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1687a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1688a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1689887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1690a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1691887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 16922a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, LParenLoc, 1693b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian RParenLoc); 169458065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1695