ParseObjc.cpp revision 4d7da2f4a39adcc2ea211fb30600fabde4f3a0b1
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); 166dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 167294494e1cce92043562b4680c613df7fd028c02eSteve Naroff // The @ sign was already consumed by ParseObjCInterfaceDeclList(). 168861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_end)) { 169294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); // the "end" identifier 170ab0aeb0bf3eb289013e9f37e75c3dfc4c618f53cFariborz Jahanian return CategoryType; 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 172294494e1cce92043562b4680c613df7fd028c02eSteve Naroff Diag(Tok, diag::err_objc_missing_end); 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1787ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 179df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 181df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 183dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 185dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 187dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 188dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 18906036d3709955a53297b4cbe14e20db88f321470Chris Lattner llvm::SmallVector<Action::DeclTy*, 8> ProtocolRefs; 19006036d3709955a53297b4cbe14e20db88f321470Chris Lattner SourceLocation EndProtoLoc; 19106036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 19206036d3709955a53297b4cbe14e20db88f321470Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 19306036d3709955a53297b4cbe14e20db88f321470Chris Lattner return 0; 19406036d3709955a53297b4cbe14e20db88f321470Chris Lattner 19506036d3709955a53297b4cbe14e20db88f321470Chris Lattner DeclTy *ClsType = 19606036d3709955a53297b4cbe14e20db88f321470Chris Lattner Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 19706036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 19806036d3709955a53297b4cbe14e20db88f321470Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 19906036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 200f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 201df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 20260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 20425e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 205294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 206294494e1cce92043562b4680c613df7fd028c02eSteve Naroff // The @ sign was already consumed by ParseObjCInterfaceDeclList(). 207861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_end)) { 208294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); // the "end" identifier 2092bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff return ClsType; 210dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 211294494e1cce92043562b4680c613df7fd028c02eSteve Naroff Diag(Tok, diag::err_objc_missing_end); 212dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 213dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 214dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 2154d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// constructSetterName - Return the setter name for the given 2164d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// identifier, i.e. "set" + Name where the initial character of Name 2174d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// has been capitalized. 2184d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbarstatic IdentifierInfo *constructSetterName(IdentifierTable &Idents, 2194d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar const IdentifierInfo *Name) { 2204d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar unsigned N = Name->getLength(); 2214d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar char *SelectorName = new char[3 + N]; 2224d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar memcpy(SelectorName, "set", 3); 2234d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar memcpy(&SelectorName[3], Name->getName(), N); 2244d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar SelectorName[3] = toupper(SelectorName[3]); 2254d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar 2264d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar IdentifierInfo *Setter = 2274d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar &Idents.get(SelectorName, &SelectorName[3 + N]); 2284d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar delete[] SelectorName; 2294d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar return Setter; 2304d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar} 2314d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar 232dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 234dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 235294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2363536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 237dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 238dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 239dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 240294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 241294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 242294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 243294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 24425e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl, 245cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 2468a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek llvm::SmallVector<DeclTy*, 32> allMethods; 24782a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian llvm::SmallVector<DeclTy*, 16> allProperties; 24800933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 24960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation AtEndLoc; 25060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 251294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 252df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { 253294494e1cce92043562b4680c613df7fd028c02eSteve Naroff SourceLocation AtLoc = ConsumeToken(); // the "@" 254861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff tok::ObjCKeywordKind ocKind = Tok.getObjCKeywordID(); 255294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 256294494e1cce92043562b4680c613df7fd028c02eSteve Naroff if (ocKind == tok::objc_end) { // terminate list 25760fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff AtEndLoc = AtLoc; 258e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 259294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else if (ocKind == tok::objc_required) { // protocols only 260294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 261cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner MethodImplKind = ocKind; 262cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (contextKey != tok::objc_protocol) 263cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner Diag(AtLoc, diag::err_objc_protocol_required); 264294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else if (ocKind == tok::objc_optional) { // protocols only 265294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 266cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner MethodImplKind = ocKind; 267cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (contextKey != tok::objc_protocol) 268cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner Diag(AtLoc, diag::err_objc_protocol_optional); 269294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else if (ocKind == tok::objc_property) { 2701de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ObjCDeclSpec OCDS; 2711de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ConsumeToken(); // the "property" identifier 2721de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Parse property attribute list, if any. 2731de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian if (Tok.is(tok::l_paren)) { 2741de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // property has attribute list. 2751de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 2761de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian } 2771de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Parse all the comma separated declarators. 2781de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian DeclSpec DS; 2791de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 2801de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ParseStructDeclaration(DS, FieldDeclarators); 2811de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian 2821de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian if (Tok.is(tok::semi)) 2831de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian ConsumeToken(); 2841de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian else { 2851de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian Diag(Tok, diag::err_expected_semi_decl_list); 2861de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian SkipUntil(tok::r_brace, true, true); 2871de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian } 2881de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Convert them all to property declarations. 2891de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 2901de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian FieldDeclarator &FD = FieldDeclarators[i]; 2911de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian // Install the property declarator into interfaceDecl. 2925251e130a23d997f7c0dfdc250cdc41f179e5bedFariborz Jahanian Selector GetterSel = 29333de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian PP.getSelectorTable().getNullarySelector(OCDS.getGetterName() 29433de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian ? OCDS.getGetterName() 29533de3f0333ca0b5274291b8d76c86758c0484691Fariborz Jahanian : FD.D.getIdentifier()); 2964d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar IdentifierInfo *SetterName = OCDS.getSetterName(); 2974d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar if (!SetterName) 2984d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar SetterName = constructSetterName(PP.getIdentifierTable(), 2994d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar FD.D.getIdentifier()); 3005251e130a23d997f7c0dfdc250cdc41f179e5bedFariborz Jahanian Selector SetterSel = 3014d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar PP.getSelectorTable().getUnarySelector(SetterName); 3021de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian DeclTy *Property = Actions.ActOnProperty(CurScope, 3038442b5cdb76cef3ad88e32d41750914c7b77f588Steve Naroff AtLoc, FD, OCDS, 3045251e130a23d997f7c0dfdc250cdc41f179e5bedFariborz Jahanian GetterSel, SetterSel, 30546b55e56d029aec699fc2701e43d70264da9ecd8Fariborz Jahanian MethodImplKind); 3061de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian allProperties.push_back(Property); 3071de1e74541c25c1a7b721f1c3991ea34c8403420Fariborz Jahanian } 308294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 309294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } else { 310294494e1cce92043562b4680c613df7fd028c02eSteve Naroff Diag(Tok, diag::err_objc_illegal_interface_qual); 311294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 312294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 313294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 314df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 315df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner DeclTy *methodPrototype = 316df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 31725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3183536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3193536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 320d16245b6d48c6b4e7bbd40713aed6565b882746dSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto"); 321294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 322294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 323f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian else if (Tok.is(tok::at)) 324f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian continue; 325f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian 326df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 327294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 328df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner else if (Tok.is(tok::eof)) 329e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 330f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff else { 3314985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 3324985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 3333536b443bc50d58a79f14fca9b6842541a434854Steve Naroff ParseDeclarationOrFunctionDefinition(); 334f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 335294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 3362feac5e559ca5c9693a3a19905ab106b9c52e193Steve Naroff /// Insert collected methods declarations into the @interface object. 3378a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3388a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.empty() ? 0 : &allMethods[0], 3398a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.size(), 3408a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.empty() ? 0 : &allProperties[0], 3418a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.size()); 342294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 343294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 344d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 345d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 346d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 347d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 348d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 349d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 350d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 351d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 352d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 353d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 354d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 355d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 356d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 357d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 358d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 359d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 3607caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 361d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SourceLocation loc = ConsumeParen(); // consume '(' 362d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian while (isObjCPropertyAttribute()) { 363d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 364d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian // getter/setter require extra treatment. 365a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[objc_getter] || 366a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek II == ObjCPropertyAttrs[objc_setter]) { 367d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian // skip getter/setter part. 368d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SourceLocation loc = ConsumeToken(); 369df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 370d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); 371df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 372a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[objc_setter]) { 373a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 37482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian DS.setSetterName(Tok.getIdentifierInfo()); 375d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); // consume method name 376df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 377d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_colon); 378d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren,true,true); 379d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 380d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 381d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 38282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian else { 383a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 38482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian DS.setGetterName(Tok.getIdentifierInfo()); 38582a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian } 386d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 387d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 388d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_ident); 389cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner SkipUntil(tok::r_paren,true,true); 390cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner break; 391cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner } 392d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 393d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 394d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_objc_expected_equal); 395d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren,true,true); 396d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 397d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 398d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 39982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 400a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_readonly]) 401a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 402a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_assign]) 403a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 404a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_readwrite]) 405a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 406a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_retain]) 407a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 408a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_copy]) 409a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 410a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (II == ObjCPropertyAttrs[objc_nonatomic]) 411a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 41282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 413d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian ConsumeToken(); // consume last attribute token 414df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { 415d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian loc = ConsumeToken(); 416d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian continue; 417d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 418df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::r_paren)) 419d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian break; 420d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_expected_rparen); 421d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::semi); 422d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian return; 423d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 424df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::r_paren)) 425d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian ConsumeParen(); 426d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian else { 427d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian Diag(loc, diag::err_objc_expected_property_attr); 428d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian SkipUntil(tok::r_paren); // recover from error inside attribute list 429d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 430d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 431d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4323536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 433ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4343536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 435294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 436294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 437294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 438294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4394985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4404985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4414985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 44200933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz JahanianParser::DeclTy *Parser::ParseObjCMethodPrototype(DeclTy *IDecl, 443cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 444df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 445294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 446294494e1cce92043562b4680c613df7fd028c02eSteve Naroff tok::TokenKind methodType = Tok.getKind(); 447bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 448294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 4491f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl, MethodImplKind); 4503536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4512bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 452f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 453294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 454294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 455294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 456294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 457294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 458294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 459294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 460294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 461294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 462294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4634b6c9051c6522894978c9ba6a819a659d102db36Fariborz JahanianIdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { 464ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 465ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 466ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 467ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 468ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 469ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 4709298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 471ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 472ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 473ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 474ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 475ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 476ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 477ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 478ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 479ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 480ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 481ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 482ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 483ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 484ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 485ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 486ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 487ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 488ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 489ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 490ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 491ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 492ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 493ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 494ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 495ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 496ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 497ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 498ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 499ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 500ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 501ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 502ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 503ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 504ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 505ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 506ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 507ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 508ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 509ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 510ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 511ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 512ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 513ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 514ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 515ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 516ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 517ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 518ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 519ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 520ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 521ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 522ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 523ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 524ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 525ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 526ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 527ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 528ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 529ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 530ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 531ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 532ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 533ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 534ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 536ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 5374b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 538ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 539d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 540294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 541294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 542d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: one of 543d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly getter setter assign retain copy nonatomic 544d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 545d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanianbool Parser::isObjCPropertyAttribute() { 546df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 547d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 548d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian for (unsigned i = 0; i < objc_NumAttrs; ++i) 549a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II == ObjCPropertyAttrs[i]) return true; 550d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 551d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian return false; 552d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 553d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5540196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5550196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 556335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5573ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5583ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5593ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 560335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian return (getLang().ObjC2 && Tok.is(tok::identifier) && 5615ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 5620196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5630196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 564a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 565e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 566e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 567294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 568294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 569294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 570294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 571294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 572a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 573e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 574cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 575e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 576e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 577e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 578e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 579a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 580e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 581e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 582a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 583e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 584e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 585a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 586a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 587a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 588a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 589a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 590a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 591e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 592a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 593e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 594e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 595e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 596e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 597e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 598e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 599e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 600e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 601e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 602e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 603e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 604e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 605e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 606e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 607a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 608df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 609294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 610294494e1cce92043562b4680c613df7fd028c02eSteve Naroff SourceLocation LParenLoc = ConsumeParen(), RParenLoc; 611e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 612271f1a6373c3fe8fa457fe1ca6c0c908416110fdChris Lattner TypeTy *Ty = 0; 613294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 61419d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 615a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6164fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 617294494e1cce92043562b4680c613df7fd028c02eSteve Naroff if (isTypeSpecifierQualifier()) { 618f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff Ty = ParseTypeName(); 619f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff // FIXME: back when Sema support is in place... 620f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff // assert(Ty && "Parser::ParseObjCTypeName(): missing type"); 621294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 622e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 623df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 624e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 625e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.getLocation() == TypeStartLoc) { 626e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner Diag(Tok.getLocation(), diag::err_expected_type); 627e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 628e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } else { 629e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 630e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // place. Emit an error then return what we have as the type. 631e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 632e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 633294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 634294494e1cce92043562b4680c613df7fd028c02eSteve Naroff RParenLoc = ConsumeParen(); 635f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 636294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 637294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 638294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 639294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6404985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 641294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6424985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 643294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 644294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-decl 646294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 647294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 648294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 6497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 6507ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 6517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 6527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 653294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 6554985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 656294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6574985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6584985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 659294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6604985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 661294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 662294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 666bef1185418705e16012b3dd50cd7c260c8d6b79cSteve NaroffParser::DeclTy *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 6671f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian tok::TokenKind mType, 6681f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *IDecl, 669cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) 67068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff{ 671e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 672ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 673a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 674df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 675f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 676e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 677bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 678bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); 679e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 680e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (!SelIdent) { // missing selector name. 681e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner Diag(Tok.getLocation(), diag::err_expected_selector_for_method, 682e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceRange(mLoc, Tok.getLocation())); 683e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 684e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 685e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner return 0; 686e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 687e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 688df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 689ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 690ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 691df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 692ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 693ff38491c18b060526d754765b952f4a497a89416Chris Lattner 694ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 695bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 6961f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 697f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian 0, 0, 0, MethodAttrs, MethodImplKind); 698ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 699f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 70068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 70168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; 702a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; 70368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> ArgNames; 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner 705ff38491c18b060526d754765b952f4a497a89416Chris Lattner Action::TypeTy *TypeInfo; 706ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 707ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(SelIdent); 70868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 709ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 710df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 711ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 712ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 713ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 714ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 715a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSType; 716e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type. 717f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian TypeInfo = ParseObjCTypeName(DSType); 718ff38491c18b060526d754765b952f4a497a89416Chris Lattner else 719ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeInfo = 0; 720ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyTypes.push_back(TypeInfo); 721f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ArgTypeQuals.push_back(DSType); 722f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 723ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 724df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 725ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseAttributes(); // FIXME: pass attributes through. 7267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 727df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 728ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 729ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7304985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 731ff38491c18b060526d754765b952f4a497a89416Chris Lattner ArgNames.push_back(Tok.getIdentifierInfo()); 732ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 733ff38491c18b060526d754765b952f4a497a89416Chris Lattner 734ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7354b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7364b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 737df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 738ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 739ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 740ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 741ff38491c18b060526d754765b952f4a497a89416Chris Lattner 742335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 743335eafa5be51f6440672a74c73d588af72e96732Steve Naroff 744ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 745df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 746ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 747df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 748335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 7494985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 750ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7514985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 752335eafa5be51f6440672a74c73d588af72e96732Steve Naroff // FIXME: implement this... 753ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the c-style argument declaration-specifier. 754ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 755ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 756ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the declarator. 757ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 758ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 7594985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 760ff38491c18b060526d754765b952f4a497a89416Chris Lattner 761ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 762e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 763ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 764df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 765ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 766ff38491c18b060526d754765b952f4a497a89416Chris Lattner 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 768ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 769bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7701f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 771f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian &ArgTypeQuals[0], &KeyTypes[0], 772335eafa5be51f6440672a74c73d588af72e96732Steve Naroff &ArgNames[0], MethodAttrs, 773335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 774294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 775294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 776dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 777dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 778dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 7797caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 780e13b9595dc1e2f4288bec34f3412359f648e84a5Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclTy*> &Protocols, 781e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, SourceLocation &EndLoc) { 782e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 783e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 784e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); // the "<" 785e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 786e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 787e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 788e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 789e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 790e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 791e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 792e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 793e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 794e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 795e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 796e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 797e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 798e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 799e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 800e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 801e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 802e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 803e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 804e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 805e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 806e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 807e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 808e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 809e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 810e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 811e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 812e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 813e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 814e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 815e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 816e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 817e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 818dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 819dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 820dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 821dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 822dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 823dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 824dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 825dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 826dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 827dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 828dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 829dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 830dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 831dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 832dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 833ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 834dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 835dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 836dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// struct-declaration 837dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 83860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroffvoid Parser::ParseObjCClassInstanceVariables(DeclTy *interfaceDecl, 83960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 840df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 8417d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian llvm::SmallVector<DeclTy*, 32> AllIvarDecls; 842e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 843e13594279a952537ac903325efff57e3edca79d9Chris Lattner 844ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 845ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 846aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 847ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 848df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 849ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 850ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 851ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 852df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 853ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::ext_extra_struct_semi); 854ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 855ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 856ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 857e13594279a952537ac903325efff57e3edca79d9Chris Lattner 858ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 859df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 860ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 861861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 862ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 863ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 864ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 865ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 866861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 867ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 868ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 869ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 870ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 871ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 872ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 873ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 874e13594279a952537ac903325efff57e3edca79d9Chris Lattner 875e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 876e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 877e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarators.clear(); 878e13594279a952537ac903325efff57e3edca79d9Chris Lattner ParseStructDeclaration(DS, FieldDeclarators); 879e13594279a952537ac903325efff57e3edca79d9Chris Lattner 880e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Convert them all to fields. 881e13594279a952537ac903325efff57e3edca79d9Chris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 882e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 883e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Install the declarator into interfaceDecl. 8841d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian DeclTy *Field = Actions.ActOnIvar(CurScope, 885e13594279a952537ac903325efff57e3edca79d9Chris Lattner DS.getSourceRange().getBegin(), 8861d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 887e13594279a952537ac903325efff57e3edca79d9Chris Lattner AllIvarDecls.push_back(Field); 8887d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian } 8893536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 890df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 891ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 892ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 893ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 894ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 895ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 896ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 897ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 89860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 8998749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 9008749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 9018749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 9028749be53f53384e7846502791ceda6c657228d07Steve Naroff &AllIvarDecls[0], AllIvarDecls.size(), 9031d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian LBraceLoc, RBraceLoc); 904ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 906dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 907dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 908dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 909dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 910dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 911dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 912dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier 913dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 9143536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list 915dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 916dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 917dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 918dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 919dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 920dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 9213536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 922dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 9237ef58fdbefddf693910e6403a71b3d367444c897Steve NaroffParser::DeclTy *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc) { 924861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 9257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 9267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 928df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9297ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 9307ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9317ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9327ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9347ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9357ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 936df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9377caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 9397caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1); 9407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9417caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 942df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 9437caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 9447caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 9457caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 9477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 9487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 949df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9507ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 9517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 9527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9547caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 9557caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 9567ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 9577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 958df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 9597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 9607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 9627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 9637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9647caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 965e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 96637e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff &ProtocolRefs[0], 96737e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff ProtocolRefs.size()); 9687caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 9697caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9707ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 971e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation EndProtoLoc; 9727caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 973e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 9747caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 975e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 9767caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return 0; 97725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian 978e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner DeclTy *ProtoType = 979e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 980e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 981e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndProtoLoc); 98225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 9837ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 9847ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // The @ sign was already consumed by ParseObjCInterfaceDeclList(). 985861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_end)) { 9867ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "end" identifier 987ab0aeb0bf3eb289013e9f37e75c3dfc4c618f53cFariborz Jahanian return ProtoType; 9887ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9897ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_objc_missing_end); 990dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 991dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 992dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 993dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 994dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 995dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 996dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 997dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 998dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 999dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1000dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1001dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1002dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1003dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1004ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtImplementationDeclaration( 1005ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1006ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1007ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1008ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 1009ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1010df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1011ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1012ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1013ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1014ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1015ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1016ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1017ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1018df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1019ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1020ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1021ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1022ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 1023ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1024df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1025ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1026ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1027ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1028ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1029ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1030ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1031df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1032ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1033ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1034ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1035ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1036ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1037e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplCatType = Actions.ActOnStartCategoryImplementation( 10388f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian atLoc, nameId, nameLoc, categoryId, 10398f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1040a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1041db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 1042ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1043ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1044ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1045ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1046df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1047ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1048ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1049df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1050ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1051ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1052ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1053ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1054ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1055ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1056e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplClsType = Actions.ActOnStartClassImplementation( 1057cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1058ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 1059ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian 106060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 106160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1062a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 1063ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1064db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 106660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1067ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1068ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1069ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1070ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 107194cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian if (ObjCImpDecl) 1072a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 107394cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 107494cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1075a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCImpDecl; 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1077e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1078e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1079e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1080e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1081e992af01d14e2e31037562c123af0a71ae1ed374Fariborz JahanianParser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1082e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1083e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1084e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1085df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1086e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1087e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1088e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1089243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1090243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1091df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1092e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1093e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1094e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1095243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1096243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1097243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 10988cd8c66914638429294ac510a4f15f43ba7f36a5Fariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@compatibility_alias"); 1099243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return 0; 1100243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1101243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian DeclTy *ClsType = Actions.ActOnCompatiblityAlias(atLoc, 1102243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian aliasId, aliasLoc, 1103243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian classId, classLoc); 1104243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return ClsType; 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1107ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1108ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1109ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1110ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1111ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1112ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1113ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1114ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1115ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1116ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1117ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1118ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1119ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1120ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1121f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1122df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1123ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1125ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1126df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1127f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1128f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1129f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1130df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1131ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1132ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1133df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1134ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1135ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1136ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1137f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1138ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1139ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1140f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1141f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1142df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1143ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1144ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1145ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1146df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 1147ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@synthesize"); 1148ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1149ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1150ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1151ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1152ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1153ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1154ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1155ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1156ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1157ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1158ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1159ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1160ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1161ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1162df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1163ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1164ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1165ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1166df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1167c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1168c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1169c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1170c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1171c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1172df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1173ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1174ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1175ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1176df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 1177ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_semi_after, "@dynamic"); 1178ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1179ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1180397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1181397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1182397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1183397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 118439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz JahanianParser::StmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 118539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ExprResult Res; 1186397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1187df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 118839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 1189397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian if (Res.isInvalid) { 1190397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 119139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian return true; 1192397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1193397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 119439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1195a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtThrowStmt(atLoc, Res.Val); 1196397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1197397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1198c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 119978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1200c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1201c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz JahanianParser::StmtResult Parser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1202fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1203fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 1204fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian Diag (Tok, diag::err_expected_lparen_after, "@synchronized"); 1205fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1206fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1207fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 120878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian ExprResult Res = ParseExpression(); 1209fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Res.isInvalid) { 1210fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 1211fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1212fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1213fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 121478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 1215fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return true; 1216fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1217fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 121878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 121978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 122078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return true; 122178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 12223ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 12233ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 12243ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff EnterScope(Scope::DeclScope); 12253ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 1226fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian StmtResult SynchBody = ParseCompoundStatementBody(); 12273ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 12283ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff ExitScope(); 1229fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (SynchBody.isInvalid) 1230fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1231fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian return Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.Val, SynchBody.Val); 1232c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1233c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1234397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1235397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1236397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1237397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1238397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1239397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1240397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1241397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1242397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1243397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1244397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 12456b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris LattnerParser::StmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1246397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 124764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1248397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1249df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1250397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag (Tok, diag::err_expected_lbrace); 1251b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1252397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 12533b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtResult CatchStmts; 1254161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian StmtResult FinallyStmt; 1255397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian StmtResult TryBody = ParseCompoundStatementBody(); 1256bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (TryBody.isInvalid) 1257bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 12586b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1259df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 12606b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 12616b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 12626b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 12636b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 12646b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 12656b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 12666b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 12676b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 1268161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1269cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 12703b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian StmtTy *FirstPart = 0; 12713b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1272df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1273397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 12743b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian EnterScope(Scope::DeclScope); 1275df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1276397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1277397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 1278459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // For some odd reason, the name of the exception variable is 1279459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // optional. As a result, we need to use PrototypeContext. 1280459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Declarator DeclaratorInfo(DS, Declarator::PrototypeContext); 12813b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ParseDeclarator(DeclaratorInfo); 1282459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff if (DeclaratorInfo.getIdentifier()) { 1283459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclTy *aBlockVarDecl = Actions.ActOnDeclarator(CurScope, 1284914701ed49f31323176a784b49df05a0d177d1adDaniel Dunbar DeclaratorInfo, 0); 1285459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff StmtResult stmtResult = 1286459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Actions.ActOnDeclStmt(aBlockVarDecl, 1287459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DS.getSourceRange().getBegin(), 1288459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclaratorInfo.getSourceRange().getEnd()); 1289459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff FirstPart = stmtResult.isInvalid ? 0 : stmtResult.Val; 1290459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff } 129164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1292397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 12933b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian SourceLocation RParenLoc = ConsumeParen(); 1294c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1295c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult CatchBody(true); 1296c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1297c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1298c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1299c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13003b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian if (CatchBody.isInvalid) 13013b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 1302a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, RParenLoc, 13033b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian FirstPart, CatchBody.Val, CatchStmts.Val); 13043b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ExitScope(); 130564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 1306161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after, 1307161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian "@catch clause"); 1308b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return true; 1309397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1310397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 13116b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 13126b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 131364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 1314c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 1315c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner StmtResult FinallyBody(true); 1316c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1317c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1318c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1319c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 1320161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian if (FinallyBody.isInvalid) 1321161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 1322a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 1323161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody.Val); 1324397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1325397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1326397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1327397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1328bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1329397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 1330bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian return true; 1331bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 1332a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.Val, CatchStmts.Val, 1333bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian FinallyStmt.Val); 1334397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 13363536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1337ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 133871c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve NaroffParser::DeclTy *Parser::ParseObjCMethodDefinition() { 1339a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DeclTy *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 1340ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1341df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 1342ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1343ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1344409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1345df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1346da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 1347409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1348409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1349409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 1350409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1351409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1352409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 135371c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return 0; 1354ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1355409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 1356409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1357409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 1358409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff EnterScope(Scope::FnScope|Scope::DeclScope); 1359409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1360409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1361394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1362394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ObjCActOnStartOfMethodDef(CurScope, MDecl); 1363409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1364409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff StmtResult FnBody = ParseCompoundStatementBody(); 1365409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1366409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 1367409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (FnBody.isInvalid) 1368409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 0, 0, false); 1369409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1370409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 1371409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff ExitScope(); 1372409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1373409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // TODO: Pass argument information. 1374394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ActOnFinishFunctionBody(MDecl, FnBody.Val); 137571c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13775508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 137864515f31850024a263e8f55f81e9ea4b39925cfaSteve NaroffParser::StmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 137964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 13806b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 138164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 138264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 138364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 138464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 138564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExprResult Res = ParseExpressionWithLeadingAt(AtLoc); 138664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Res.isInvalid) { 138764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 138864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 138964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 139064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 139164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return true; 139264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 139364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 139464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 139564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return Actions.ActOnExprStmt(Res.Val); 139664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 139764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1398a642beb9f143130588dcf622f5f7020832b22707Steve NaroffParser::ExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 13995508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1400b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1401b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 1402b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1403b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 14044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 14054fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14064fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 14074fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 14084fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 14094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 14104fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 14114fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 14124fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 14134fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 14144fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 14154fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14164fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 14175508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 14185508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 14195508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 14200ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-expr: 14210ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 14220ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14230ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 14240ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 14250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 14260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 1427699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult Parser::ParseObjCMessageExpression() { 1428699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1429699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1430699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1431699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 143214dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1433699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 1434699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ConsumeToken(); 1435699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return ParseObjCMessageExpressionBody(LBracLoc, ReceiverName, 0); 1436699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1437699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1438699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprResult Res = ParseAssignmentExpression(); 1439699b66138ac307a32e238463e0eff513ff17d337Chris Lattner if (Res.isInvalid) { 14405c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 1441699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Res; 1442699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 14434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1444699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return ParseObjCMessageExpressionBody(LBracLoc, 0, Res.Val); 1445699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 1446699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1447699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1448699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 14490ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14500ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 14510ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 14520ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 14530ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14540ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 14550ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 14560ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 14570ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14580ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg: 14590ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 14600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 14620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 14630ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14640ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 14650ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 14660ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 14670ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 1468699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult 1469699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 1470699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 1471699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprTy *ReceiverExpr) { 1472a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 14734b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 14744b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian IdentifierInfo *selIdent = ParseObjCSelector(Loc); 147568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 147668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 147768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::ExprTy *, 12> KeyExprs; 147868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1479df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1480a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1481a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 148268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 148337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1484df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1485a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 14864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14884fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 14894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 149037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return true; 1491a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 14924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 149368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 1494a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian /// Parse the expression after ':' 149537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff ExprResult Res = ParseAssignmentExpression(); 149637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (Res.isInvalid) { 14974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14984fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15004fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 150137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return Res; 150237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 15034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 150437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 150568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyExprs.push_back(Res.Val); 1506a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian 150737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 15084b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian selIdent = ParseObjCSelector(Loc); 1509df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1510a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1511a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1512a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1513a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1514df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 151549f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 151649f109c786f99eb7468dac3976db083a65493444Steve Naroff /// Parse the expression after ',' 151749f109c786f99eb7468dac3976db083a65493444Steve Naroff ExprResult Res = ParseAssignmentExpression(); 151849f109c786f99eb7468dac3976db083a65493444Steve Naroff if (Res.isInvalid) { 15194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 152349f109c786f99eb7468dac3976db083a65493444Steve Naroff return Res; 152449f109c786f99eb7468dac3976db083a65493444Steve Naroff } 15254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 152649f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 152749f109c786f99eb7468dac3976db083a65493444Steve Naroff KeyExprs.push_back(Res.Val); 1528a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1529a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1530a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 15314fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 15324fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15344fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15354fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15360ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1537a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1538ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1539df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1540a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 15414fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15424fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15450ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1546a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15474fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1548699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 154937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 155029238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1551ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1552ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1553ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 1554ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1555ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 155637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (ReceiverName) 15570523aaf9759cd9524956f0930558737458849743Fariborz Jahanian return Actions.ActOnClassMessage(CurScope, 1558699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ReceiverName, Sel, LBracLoc, RBracLoc, 155949f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 1560699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracLoc, RBracLoc, 156149f109c786f99eb7468dac3976db083a65493444Steve Naroff &KeyExprs[0], KeyExprs.size()); 15620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 15630ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 1564beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve NaroffParser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 15655508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ExprResult Res = ParseStringLiteralExpression(); 15665508518a2702b00be3b15a26d772bde968972f54Anders Carlsson if (Res.isInvalid) return Res; 1567b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1568b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1569b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1570b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1571b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1572b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<ExprTy*, 4> AtStrings; 1573b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1574b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1575b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1576b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1577b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1578b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1579b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner ExprResult Res(true); // Invalid unless there is a string literal. 1580b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (isTokenStringLiteral()) 1581b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Res = ParseStringLiteralExpression(); 1582b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner else 1583b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Diag(Tok, diag::err_objc_concat_string); 1584b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1585b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (Res.isInvalid) { 1586b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (!AtStrings.empty()) { 1587b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Actions.DeleteExpr(AtStrings.back()); 1588b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.pop_back(); 1589b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1590b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Res; 1591b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 1592b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1593b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.push_back(Res.Val); 1594b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 159579a99f2c063ce7cd9b18852a39bf4c937fc1faf8Fariborz Jahanian 1596b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return Actions.ParseObjCStringLiteral(&AtLocs[0], &AtStrings[0], 1597b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.size()); 15985508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1599f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1600f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1601f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 1602674af9541256dc3ef803e3723027a8b028f1f7a2Chris LattnerParser::ExprResult Parser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1603861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 1604f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1605f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 1606f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16074fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16084fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_lparen_after, "@encode"); 1609f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1610f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 1611f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1612f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson TypeTy *Ty = ParseTypeName(); 1613f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16144988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1615f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1616674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, Ty, 16174988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson RParenLoc); 1618f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 161929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 162029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 162129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 162229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16232a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz JahanianParser::ExprResult Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) 162429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson{ 162529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 162629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_lparen_after, "@protocol"); 162929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 163029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 163129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16324fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 16334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); 16344fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1635390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 163629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 163729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16384988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 163929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1640390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 1641390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian LParenLoc, RParenLoc); 164229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1643a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1644a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1645a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 16462a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz JahanianParser::ExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) 1647a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian{ 1648a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 1649a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 16504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16514fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_lparen_after, "@selector"); 1652a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1653b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1654a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1655a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 1656a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); 16574fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 16584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); // missing selector name. 16594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1660b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1661887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1662887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1663a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 16644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 16654fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_colon); 16664fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1667cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1668a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1669a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1670a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1671a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1672a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 1673a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 1674b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1675a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1676a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1677a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1678887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1679a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1680887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 16812a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, LParenLoc, 1682b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian RParenLoc); 168358065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1684