ParseObjc.cpp revision 92e62b02226410bcad8584541b8f1ff4d35ebab9
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) { 206edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner llvm::SmallString<100> SelectorName; 207edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner SelectorName += "set"; 208edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner SelectorName.append(Name->getName(), Name->getName()+Name->getLength()); 2094d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar SelectorName[3] = toupper(SelectorName[3]); 210edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner return &Idents.get(&SelectorName[0], &SelectorName[SelectorName.size()]); 2114d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar} 2124d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar 213dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 214dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 216294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2173536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 221294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 222294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 223294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 224294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 22525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl, 226cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 2278a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek llvm::SmallVector<DeclTy*, 32> allMethods; 22882a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian llvm::SmallVector<DeclTy*, 16> allProperties; 22900933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 23060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 231bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner SourceLocation AtEndLoc; 232bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 233294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 234e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 235df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 236df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner DeclTy *methodPrototype = 237df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 23825e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2393536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2403536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 241d16245b6d48c6b4e7bbd40713aed6565b882746dSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto"); 242294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 243294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 244f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian 245e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 246e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 247294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 248e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 249e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 250e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 251bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 252e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 253e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 254e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 255e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 256e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 2574985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 2584985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 2593536b443bc50d58a79f14fca9b6842541a434854Steve Naroff ParseDeclarationOrFunctionDefinition(); 260e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 261e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 262e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 263e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 264e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 265a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 266e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 267a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 268e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtEndLoc = AtLoc; 269e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 270bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 271e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 272bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 273bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 274bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 275a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 276a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 277bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 278bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 279bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 280bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 281f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 282bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 283a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 284a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 285a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 286a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 287a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 288a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 289bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 290e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 291bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 292a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 293bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 294a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 295a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 296a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 297f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 298f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 299f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 300e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 301e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse property attribute list, if any. 3028ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 303e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseObjCPropertyAttribute(OCDS); 304dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 305e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 306e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 307e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 308e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseStructDeclaration(DS, FieldDeclarators); 309e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 310a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 311a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 312a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner 313e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Convert them all to property declarations. 314e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 315e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 316da3253d8a97981257185c89ced71ce137278b121Chris Lattner if (FD.D.getIdentifier() == 0) { 317ef708fd4abccf4d21b1f82ab2ab62f6ae7cc1265Chris Lattner Diag(AtLoc, diag::err_objc_property_requires_field_name) 318ef708fd4abccf4d21b1f82ab2ab62f6ae7cc1265Chris Lattner << FD.D.getSourceRange(); 319da3253d8a97981257185c89ced71ce137278b121Chris Lattner continue; 320da3253d8a97981257185c89ced71ce137278b121Chris Lattner } 321da3253d8a97981257185c89ced71ce137278b121Chris Lattner 322e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Install the property declarator into interfaceDecl. 323da3253d8a97981257185c89ced71ce137278b121Chris Lattner IdentifierInfo *SelName = 324da3253d8a97981257185c89ced71ce137278b121Chris Lattner OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 325da3253d8a97981257185c89ced71ce137278b121Chris Lattner 326e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector GetterSel = 327da3253d8a97981257185c89ced71ce137278b121Chris Lattner PP.getSelectorTable().getNullarySelector(SelName); 328e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner IdentifierInfo *SetterName = OCDS.getSetterName(); 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (!SetterName) 330e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SetterName = constructSetterName(PP.getIdentifierTable(), 331e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FD.D.getIdentifier()); 332e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector SetterSel = 333e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner PP.getSelectorTable().getUnarySelector(SetterName); 334da3253d8a97981257185c89ced71ce137278b121Chris Lattner DeclTy *Property = Actions.ActOnProperty(CurScope, AtLoc, FD, OCDS, 335da3253d8a97981257185c89ced71ce137278b121Chris Lattner GetterSel, SetterSel, 336da3253d8a97981257185c89ced71ce137278b121Chris Lattner MethodImplKind); 337e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner allProperties.push_back(Property); 338e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 339a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 340f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 341294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 342bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 343bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 344bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 345bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_end)) 346bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 347bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 348bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 349bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 350a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 351bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 3528a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3538a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.empty() ? 0 : &allMethods[0], 3548a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.size(), 3558a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.empty() ? 0 : &allProperties[0], 3568a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.size()); 357294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 358294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 359d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 360d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 361d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 362d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 363d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 364d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 365d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 366d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 367d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 368d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 369d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 370d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 371d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 372d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 373d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 374d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 3757caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 3768ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 377dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 378dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 379cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 380d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 381f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 382f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 383f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 384f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 385f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 386f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 387f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 388156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 389156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 39092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 391e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 39292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 393e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 39492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 395e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 39692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 397e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 39892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 399e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 40092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 401e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 40292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 403e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 404156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", 405156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 406dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 407156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 4088ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.isNot(tok::identifier)) { 4091ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_ident); 4108ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 4118ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4128ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 4138ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner 4145fd80fada1eeecd279af8333a7f58b86d8df8016Chris Lattner if (II->getName()[0] == 's') { 4158ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 4168ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setSetterName(Tok.getIdentifierInfo()); 417156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 418156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 419156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "", 420156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 4218ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4228ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 4238ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 4248ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setGetterName(Tok.getIdentifierInfo()); 425156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4268ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 427e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 428a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 429cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 430cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 431cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 43282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 433156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 434156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 435dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 436156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 437d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 438156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 439156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 440d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 441d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4423536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 443ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4443536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 445294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 446294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 447294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 448294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4494985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4504985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 45200933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz JahanianParser::DeclTy *Parser::ParseObjCMethodPrototype(DeclTy *IDecl, 453cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 454df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 455294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 456294494e1cce92043562b4680c613df7fd028c02eSteve Naroff tok::TokenKind methodType = Tok.getKind(); 457bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 458294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 4591f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl, MethodImplKind); 4603536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4612bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 462f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 463294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 464294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 465294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 466294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 467294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 468294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 469294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 470294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 471294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 472294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4734b6c9051c6522894978c9ba6a819a659d102db36Fariborz JahanianIdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { 474ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 475ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 476ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 477ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 478ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 479ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 4809298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 481ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 482ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 483ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 484ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 485ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 486ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 487ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 488ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 489ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 490ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 491ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 492ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 493ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 494ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 495ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 496ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 497ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 498ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 499ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 500ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 501ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 502ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 503ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 504ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 505ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 506ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 507ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 508ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 509ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 510ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 511ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 512ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 513ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 514ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 515ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 516ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 517ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 518ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 519ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 520ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 521ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 522ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 523ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 524ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 525ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 526ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 527ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 528ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 529ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 530ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 531ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 532ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 533ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 534ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 536ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 537ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 538ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 539ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 540ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 541ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 542ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 543ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 544ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 545ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 546ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 5474b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 548ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 549d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 550294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 551294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5520196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5530196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 554335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5553ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5563ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5573ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 558335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian return (getLang().ObjC2 && Tok.is(tok::identifier) && 5595ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 5600196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5610196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 562a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 563e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 564e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 565294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 566294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 567294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 568294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 569294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 570a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 571e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 572cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 573e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 574e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 575e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 576e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 577a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 578e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 579e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 580a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 581e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 582e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 583a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 584a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 585a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 586a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 587a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 588a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 589e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 590a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 591e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 592e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 593e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 594e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 595e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 596e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 597e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 598e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 599e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 600e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 601e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 602e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 603e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 604e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 605a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 606df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 607294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6084a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 609e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 610294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 61119d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 612a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6134fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 6144a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner TypeTy *Ty = 0; 6154a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (isTypeSpecifierQualifier()) 616f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff Ty = ParseTypeName(); 617e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 6184a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 6194a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 6204a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 621e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 6221ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 6234a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 6244a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 6254a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 6264a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 6274a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 628294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 629f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 630294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 631294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 632294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 633294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6344985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 635294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6364985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 637294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 638294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-decl 640294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 641294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 642294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 6437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 6447ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 6457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 6467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 647294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6484985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 6494985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 650294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 653294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 655294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 656294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6587ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 660bef1185418705e16012b3dd50cd7c260c8d6b79cSteve NaroffParser::DeclTy *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 6611f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian tok::TokenKind mType, 6621f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *IDecl, 663cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) 66468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff{ 665e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 666ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 667a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 668df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 669f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 670e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 671bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 672bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); 673e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 674e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (!SelIdent) { // missing selector name. 6751ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 6761ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 677e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 678e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 679e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner return 0; 680e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 681e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 682df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 683ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 684ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 685df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 686ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 687ff38491c18b060526d754765b952f4a497a89416Chris Lattner 688ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 689bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 6901f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 691f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian 0, 0, 0, MethodAttrs, MethodImplKind); 692ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 693f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 69468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 69568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; 696a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; 69768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> ArgNames; 698ff38491c18b060526d754765b952f4a497a89416Chris Lattner 699ff38491c18b060526d754765b952f4a497a89416Chris Lattner Action::TypeTy *TypeInfo; 700ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 701ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(SelIdent); 70268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 703ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 704df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 705ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 706ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 707ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 708ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 709a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSType; 710e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type. 711f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian TypeInfo = ParseObjCTypeName(DSType); 712ff38491c18b060526d754765b952f4a497a89416Chris Lattner else 713ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeInfo = 0; 714ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyTypes.push_back(TypeInfo); 715f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ArgTypeQuals.push_back(DSType); 716f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 717ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 718df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 719ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseAttributes(); // FIXME: pass attributes through. 7207ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 721df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 722ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 723ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7244985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 725ff38491c18b060526d754765b952f4a497a89416Chris Lattner ArgNames.push_back(Tok.getIdentifierInfo()); 726ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 727ff38491c18b060526d754765b952f4a497a89416Chris Lattner 728ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7294b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7304b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 731df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 732ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 733ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 734ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 735ff38491c18b060526d754765b952f4a497a89416Chris Lattner 736335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 737335eafa5be51f6440672a74c73d588af72e96732Steve Naroff 738ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 739df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 740ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 741df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 742335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 7434985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 744ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7454985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 746335eafa5be51f6440672a74c73d588af72e96732Steve Naroff // FIXME: implement this... 747ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the c-style argument declaration-specifier. 748ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 749ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 750ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the declarator. 751ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 752ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 7534985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 754ff38491c18b060526d754765b952f4a497a89416Chris Lattner 755ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 756e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 757ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 758df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 759ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 760ff38491c18b060526d754765b952f4a497a89416Chris Lattner 761ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 762ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 763bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7641f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 765f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian &ArgTypeQuals[0], &KeyTypes[0], 766335eafa5be51f6440672a74c73d588af72e96732Steve Naroff &ArgNames[0], MethodAttrs, 767335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 768294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 769294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 770dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 771dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 772dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 7737caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 774e13b9595dc1e2f4288bec34f3412359f648e84a5Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclTy*> &Protocols, 775e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, SourceLocation &EndLoc) { 776e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 777e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 778e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); // the "<" 779e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 780e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 781e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 782e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 783e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 784e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 785e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 786e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 787e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 788e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 789e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 790e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 791e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 792e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 793e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 794e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 795e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 796e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 797e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 798e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 799e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 800e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 801e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 802e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 803e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 804e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 805e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 806e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 807e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 808e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 809e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 810e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 811e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 812dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 813dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 814dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 815dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 816dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 817dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 818dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 819dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 820dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 821dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 822dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 823dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 824dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 825dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 826dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 827ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 828dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 829dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 830dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// struct-declaration 831dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 83260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroffvoid Parser::ParseObjCClassInstanceVariables(DeclTy *interfaceDecl, 83360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 834df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 8357d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian llvm::SmallVector<DeclTy*, 32> AllIvarDecls; 836e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 837e13594279a952537ac903325efff57e3edca79d9Chris Lattner 838ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 839ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 840aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 841ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 842df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 843ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 844ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 845ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 846df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 847ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::ext_extra_struct_semi); 848ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 849ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 850ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 851e13594279a952537ac903325efff57e3edca79d9Chris Lattner 852ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 853df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 854ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 855861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 856ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 857ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 858ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 859ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 860861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 861ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 862ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 863ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 864ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 865ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 866ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 867ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 868e13594279a952537ac903325efff57e3edca79d9Chris Lattner 869e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 870e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 871e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarators.clear(); 872e13594279a952537ac903325efff57e3edca79d9Chris Lattner ParseStructDeclaration(DS, FieldDeclarators); 873e13594279a952537ac903325efff57e3edca79d9Chris Lattner 874e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Convert them all to fields. 875e13594279a952537ac903325efff57e3edca79d9Chris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 876e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 877e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Install the declarator into interfaceDecl. 8781d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian DeclTy *Field = Actions.ActOnIvar(CurScope, 879e13594279a952537ac903325efff57e3edca79d9Chris Lattner DS.getSourceRange().getBegin(), 8801d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 881e13594279a952537ac903325efff57e3edca79d9Chris Lattner AllIvarDecls.push_back(Field); 8827d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian } 8833536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 884df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 885ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 886ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 887ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 888ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 889ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 890ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 891ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 89260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 8938749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 8948749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 8958749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 8968749be53f53384e7846502791ceda6c657228d07Steve Naroff &AllIvarDecls[0], AllIvarDecls.size(), 8971bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 898ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 900dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 901dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 902dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 903dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 904dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 905dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 906dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier 907dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 9083536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list 909dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 910dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 911dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 912dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 913dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 914dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 9153536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 916dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 917246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel DunbarParser::DeclTy *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 918246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar AttributeList *attrList) { 919861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 9207ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 9217ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9227ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 923df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9247ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 9257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9287ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9297ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9307ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 931df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9327caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 9347caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1); 9357ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9367caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 937df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 9387caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 9397caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 9407caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9417ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 9427ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 9437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 944df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 9467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 9477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9497caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 9507caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 9517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 9527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 953df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 9547ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 9557ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9567ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 9577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 9587ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9597caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 960e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 96137e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff &ProtocolRefs[0], 96237e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff ProtocolRefs.size()); 9637caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 9647caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 966e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation EndProtoLoc; 9677caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 968e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 9697caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 970e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 9717caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return 0; 97225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian 973e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner DeclTy *ProtoType = 974e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 975e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 976246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 97725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 978bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 979dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 980dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 981dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 982dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 983dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 984dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 985dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 986dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 987dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 988dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 989dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 990dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 991dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 992ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtImplementationDeclaration( 993ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 994ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 995ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 996ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 997ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 998df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 999ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1000ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1001ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1002ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1003ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1004ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1005ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1006df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1007ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1008ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1009ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1010ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 1011ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1012df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1013ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1014ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1015ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1016ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1017ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1018ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1019df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1020ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1021ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1022ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1023ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1024ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1025e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplCatType = Actions.ActOnStartCategoryImplementation( 10268f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian atLoc, nameId, nameLoc, categoryId, 10278f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1028a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1029db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 1030ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1031ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1032ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1033ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1034df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1035ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1036ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1037df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1038ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1039ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1040ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1041ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1042ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1043ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1044e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplClsType = Actions.ActOnStartClassImplementation( 1045cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1046ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 1047ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian 104860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 104960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1050a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 1051ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1052db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 105460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1055ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1056ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1057ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1058ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 105994cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian if (ObjCImpDecl) 1060a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 106194cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 106294cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1063a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCImpDecl; 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1065e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1066e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1067e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1068e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1069e992af01d14e2e31037562c123af0a71ae1ed374Fariborz JahanianParser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1070e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1071e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1072e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1073df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1074e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1075e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1076e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1077243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1078243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1079df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1080e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1081e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1082e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1083243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1084243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1085243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 10861ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1087243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return 0; 1088243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1089243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian DeclTy *ClsType = Actions.ActOnCompatiblityAlias(atLoc, 1090243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian aliasId, aliasLoc, 1091243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian classId, classLoc); 1092243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return ClsType; 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1095ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1096ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1097ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1098ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1099ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1100ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1101ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1102ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1103ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1104ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1105ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1106ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1107ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1108ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1109f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1110df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1111ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1112ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1113ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1114df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1115f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1116f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1117f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1118df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1119ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1120ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1121df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1122ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1123ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1125f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1126ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1127ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1128f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1129f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1130df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1131ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1132ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1133ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1134df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 11351ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1136ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1137ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1138ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1139ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1140ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1141ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1142ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1143ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1144ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1145ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1146ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1147ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1148ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1149ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1150df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1151ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1152ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1153ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1154df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1155c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1156c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1157c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1158c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1159c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1160df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1161ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1162ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1163ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1164df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 11651ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 1166ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1167ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1168397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1169397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1170397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1171397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 117239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz JahanianParser::StmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 117339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ExprResult Res; 1174397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1175df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 117639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 1177397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian if (Res.isInvalid) { 1178397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 117939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian return true; 1180397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1181397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 118239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1183a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtThrowStmt(atLoc, Res.Val); 1184397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1185397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1186c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 118778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1188c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1189c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz JahanianParser::StmtResult Parser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1190fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1191fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 11921ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 1193fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1194fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1195fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 119678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian ExprResult Res = ParseExpression(); 1197fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Res.isInvalid) { 1198fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 1199fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1200fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1201fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 12021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 1203fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1204fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1205fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 120678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 12071ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 120878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return true; 120978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 12103ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 12113ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 12123ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff EnterScope(Scope::DeclScope); 12133ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 1214fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian StmtResult SynchBody = ParseCompoundStatementBody(); 12153ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 12163ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff ExitScope(); 1217fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (SynchBody.isInvalid) 1218fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1219fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.Val, SynchBody.Val); 1220c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1221c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1222397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1223397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1224397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1225397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1226397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1227397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1228397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1229397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1230397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1231397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1232397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 12336b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris LattnerParser::StmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1234397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 123564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1236397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1237df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 12381ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 1239b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1240397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 12413b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtResult CatchStmts; 1242161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian StmtResult FinallyStmt; 12433527b59f246cde170e6877e3e62f78a95dbcdfceTed Kremenek EnterScope(Scope::DeclScope); 1244397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian StmtResult TryBody = ParseCompoundStatementBody(); 12453527b59f246cde170e6877e3e62f78a95dbcdfceTed Kremenek ExitScope(); 1246bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (TryBody.isInvalid) 1247bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 12486b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1249df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 12506b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 12516b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 12526b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 12536b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 12546b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 12556b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 12566b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 12576b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1258161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1259cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 12603b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtTy *FirstPart = 0; 12613b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1262df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1263397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 12643b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian EnterScope(Scope::DeclScope); 1265df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1266397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1267397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 1268459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // For some odd reason, the name of the exception variable is 1269459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // optional. As a result, we need to use PrototypeContext. 1270459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Declarator DeclaratorInfo(DS, Declarator::PrototypeContext); 12713b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ParseDeclarator(DeclaratorInfo); 1272459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff if (DeclaratorInfo.getIdentifier()) { 1273459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclTy *aBlockVarDecl = Actions.ActOnDeclarator(CurScope, 1274914701ed49f31323176a784b49df05a0d177d1adDaniel Dunbar DeclaratorInfo, 0); 1275459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff StmtResult stmtResult = 1276459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Actions.ActOnDeclStmt(aBlockVarDecl, 1277459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DS.getSourceRange().getBegin(), 1278459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclaratorInfo.getSourceRange().getEnd()); 1279459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff FirstPart = stmtResult.isInvalid ? 0 : stmtResult.Val; 1280459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff } 128164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1282397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 12833b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian SourceLocation RParenLoc = ConsumeParen(); 1284c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1285c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult CatchBody(true); 1286c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1287c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1288c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1289c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 12903b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian if (CatchBody.isInvalid) 12913b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1292a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, RParenLoc, 12933b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian FirstPart, CatchBody.Val, CatchStmts.Val); 12943b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ExitScope(); 129564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 12961ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 12971ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 1298b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1299397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1300397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 13016b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 13026b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 130364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 1304aefc36656d3113ef32a50cea9ae0621e07c8b26cTed Kremenek EnterScope(Scope::DeclScope); 1305aefc36656d3113ef32a50cea9ae0621e07c8b26cTed Kremenek 1306c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1307c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult FinallyBody(true); 1308c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1309c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1310c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1311c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 1312161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian if (FinallyBody.isInvalid) 1313161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 1314a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 1315161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody.Val); 1316397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1317aefc36656d3113ef32a50cea9ae0621e07c8b26cTed Kremenek ExitScope(); 1318397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1319397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1320397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1321bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1322397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 1323bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian return true; 1324bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 1325a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.Val, CatchStmts.Val, 1326bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian FinallyStmt.Val); 1327397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1328ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 13293536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1330ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 133171c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve NaroffParser::DeclTy *Parser::ParseObjCMethodDefinition() { 1332a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DeclTy *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 1333ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1334df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1336ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1337409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1338df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1339da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 1340409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1341409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1342409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 1343409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1344409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1345409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 134671c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return 0; 1347ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1348409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 1349409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1350409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 1351409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff EnterScope(Scope::FnScope|Scope::DeclScope); 1352409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1353409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1354394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1355394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ObjCActOnStartOfMethodDef(CurScope, MDecl); 1356409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1357409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff StmtResult FnBody = ParseCompoundStatementBody(); 1358409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1359409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 1360409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (FnBody.isInvalid) 1361409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 0, 0, false); 1362409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1363409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 1364409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff ExitScope(); 1365409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1366409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // TODO: Pass argument information. 1367394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ActOnFinishFunctionBody(MDecl, FnBody.Val); 136871c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13705508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 137164515f31850024a263e8f55f81e9ea4b39925cfaSteve NaroffParser::StmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 137264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 13736b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 137464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 137564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 137664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 137764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 137864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExprResult Res = ParseExpressionWithLeadingAt(AtLoc); 137964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Res.isInvalid) { 138064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 138164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 138264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 138364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 138464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return true; 138564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 138664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 138764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 138864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return Actions.ActOnExprStmt(Res.Val); 138964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 139064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1391a642beb9f143130588dcf622f5f7020832b22707Steve NaroffParser::ExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 13925508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1393b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1394b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 1395b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1396b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 13974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 13984fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 13994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 14004fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 14014fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 14024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 14034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 14044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 14054fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 14064fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 14074fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 14081ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 14105508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 14115508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 14125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 14130ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-expr: 14140ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 14150ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14160ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 14170ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 14180ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 14190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 1420699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult Parser::ParseObjCMessageExpression() { 1421699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1422699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1423699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1424699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 142514dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1426699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 14275cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc = ConsumeToken(); 14285cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 0); 1429699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1430699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 143169d349a8743f156b965141cda80520bddda84601Chris Lattner ExprResult Res = ParseExpression(); 1432699b66138ac307a32e238463e0eff513ff17d337Chris Lattner if (Res.isInvalid) { 14335c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 1434699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Res; 1435699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 14364fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 14375cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 0, Res.Val); 1438699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 1439699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1440699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1441699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 14420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14430ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 14440ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 14450ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 14460ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14470ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 14480ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 14490ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 14500ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14510ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg: 14520ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 14530ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14540ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 14550ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 14560ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14570ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 14580ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 14590ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 14600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 1461699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult 1462699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 14635cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc, 1464699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 1465699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprTy *ReceiverExpr) { 1466a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 14674b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 14684b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian IdentifierInfo *selIdent = ParseObjCSelector(Loc); 146968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 147068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 147168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::ExprTy *, 12> KeyExprs; 147268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1473df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1474a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1475a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 147668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 147737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1478df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1479a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 14804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14814fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 14834fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 148437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return true; 1485a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 14864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 148768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 1488a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian /// Parse the expression after ':' 148937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff ExprResult Res = ParseAssignmentExpression(); 149037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (Res.isInvalid) { 14914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14934fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 14944fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 149537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return Res; 149637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 14974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 149837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 149968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyExprs.push_back(Res.Val); 1500a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian 150137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 15024b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian selIdent = ParseObjCSelector(Loc); 1503df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1504a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1505a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1506a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1507a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1508df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 150949f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 151049f109c786f99eb7468dac3976db083a65493444Steve Naroff /// Parse the expression after ',' 151149f109c786f99eb7468dac3976db083a65493444Steve Naroff ExprResult Res = ParseAssignmentExpression(); 151249f109c786f99eb7468dac3976db083a65493444Steve Naroff if (Res.isInvalid) { 15134fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15144fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15154fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15164fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 151749f109c786f99eb7468dac3976db083a65493444Steve Naroff return Res; 151849f109c786f99eb7468dac3976db083a65493444Steve Naroff } 15194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 152049f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 152149f109c786f99eb7468dac3976db083a65493444Steve Naroff KeyExprs.push_back(Res.Val); 1522a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1523a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1524a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 15254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 15264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15294fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15300ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1531a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1532ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1533df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1534a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 15354fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15364fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15374fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15384fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15390ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1540a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15414fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1542699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 154337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 154429238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1545ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1546ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1547ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 1548ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1549ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 155037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (ReceiverName) 15510523aaf9759cd9524956f0930558737458849743Fariborz Jahanian return Actions.ActOnClassMessage(CurScope, 15525cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff ReceiverName, Sel, 15535cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff LBracLoc, NameLoc, RBracLoc, 155449f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 1555699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracLoc, RBracLoc, 155649f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 15570ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 15580ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 1559beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve NaroffParser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 15605508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ExprResult Res = ParseStringLiteralExpression(); 15615508518a2702b00be3b15a26d772bde968972f54Anders Carlsson if (Res.isInvalid) return Res; 1562b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1563b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1564b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1565b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1566b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1567b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<ExprTy*, 4> AtStrings; 1568b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1569b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1570b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1571b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1572b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1573b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1574b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner ExprResult Res(true); // Invalid unless there is a string literal. 1575b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (isTokenStringLiteral()) 1576b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Res = ParseStringLiteralExpression(); 1577b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner else 1578b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Diag(Tok, diag::err_objc_concat_string); 1579b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1580b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (Res.isInvalid) { 1581b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (!AtStrings.empty()) { 1582b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Actions.DeleteExpr(AtStrings.back()); 1583b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.pop_back(); 1584b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1585b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Res; 1586b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1587b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1588b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1589b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 159079a99f2c063ce7cd9b18852a39bf4c937fc1faf8Fariborz Jahanian 1591b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Actions.ParseObjCStringLiteral(&AtLocs[0], &AtStrings[0], 1592b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.size()); 15935508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1594f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1595f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1596f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 1597674af9541256dc3ef803e3723027a8b028f1f7a2Chris LattnerParser::ExprResult Parser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1598861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 1599f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1600f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 1601f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16031ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok, diag::err_expected_lparen_after) << "@encode"; 1604f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1605f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 1606f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1607f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson TypeTy *Ty = ParseTypeName(); 1608f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16094988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1610f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1611674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, Ty, 16124988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson RParenLoc); 1613f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 161429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 161529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 161629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 161729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16181ab3b96de160e4fbffec2a776e284a48a3bb543dChris LattnerParser::ExprResult Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 161929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 162029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16221ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok, diag::err_expected_lparen_after) << "@protocol"; 162329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 162429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 162529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 16274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); 16284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1629390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 163029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 163129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16324988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 163329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1634390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 1635390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian LParenLoc, RParenLoc); 163629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1637a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1638a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1639a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 16401ab3b96de160e4fbffec2a776e284a48a3bb543dChris LattnerParser::ExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 1641a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 1642a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 16434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16441ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok, diag::err_expected_lparen_after) << "@selector"; 1645a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1646b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1647a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1648a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 1649a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); 16504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 16514fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); // missing selector name. 16524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1653b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1654887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1655887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1656a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 16574fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 16584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_colon); 16594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1660cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1661a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1662a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1663a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1664a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1665a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 1666a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 1667b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1668a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1669a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1670a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1671887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1672a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1673887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 16742a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, LParenLoc, 1675b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian RParenLoc); 167658065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1677