ParseObjc.cpp revision e0097db2848c463a534c18c235c6d3e53f2f1b87
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" 17500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 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' 30b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtDirectives() { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 34c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor Actions.CodeCompleteObjCAtDirective(CurScope, ObjCImpDecl, false); 35c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor ConsumeToken(); 36c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 37c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 38861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 395ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 405ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 545ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 555ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 565ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 575ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 58b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 66b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 69c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek llvm::SmallVector<SourceLocation, 8> ClassLocs; 70c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 73df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 76b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 79c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 82df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 90b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 92c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 93c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 94c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 98dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 125b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtInterfaceDeclaration( 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 127861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1313b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1323b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 1333b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(CurScope); 1343b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor ConsumeToken(); 1353b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1363b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 137df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 139b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 140dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 14163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15133ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 15233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(CurScope, nameId); 15333ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor ConsumeToken(); 15433ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 15533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 156527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 157df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 160527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff } else if (!getLang().ObjC2) { 161527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 162b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 163dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 164df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 165dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 166dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 167b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 17271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 173b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 17471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 1756bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner if (Tok.is(tok::less) && 17671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 17771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 178b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 181dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad DeclPtrTy CategoryType = 1841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartCategoryInterface(atLoc, 185beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad nameId, nameLoc, 186beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad categoryId, categoryLoc, 187beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 188beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 18918df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 190beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad EndProtoLoc); 1911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 192fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 193bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return CategoryType; 194dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 195dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 196dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 197dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1987ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 199df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 200dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2013b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2023b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2033b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 2043b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor Actions.CodeCompleteObjCSuperclass(CurScope, nameId); 2053b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor ConsumeToken(); 2063b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2073b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 208df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 210b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 211dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 212dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 213dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 214dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 216b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<Action::DeclPtrTy, 8> ProtocolRefs; 21771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 21871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 21906036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 22071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 22171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 222b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy ClsType = 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 22606036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 227beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 22818df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 22906036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 23260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 23425e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 235bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ClsType; 236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 237dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 238d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 239d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 240d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 241d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 242d0014540005f2a5ab837365db6bd40f479406758John McCall DeclPtrTy IDecl; 243d0014540005f2a5ab837365db6bd40f479406758John McCall llvm::SmallVectorImpl<DeclPtrTy> &Props; 244d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 245d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 246d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 247d0014540005f2a5ab837365db6bd40f479406758John McCall 248d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCPropertyCallback(Parser &P, DeclPtrTy IDecl, 249d0014540005f2a5ab837365db6bd40f479406758John McCall llvm::SmallVectorImpl<DeclPtrTy> &Props, 250d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 251d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 252d0014540005f2a5ab837365db6bd40f479406758John McCall P(P), IDecl(IDecl), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 253d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 254d0014540005f2a5ab837365db6bd40f479406758John McCall } 255d0014540005f2a5ab837365db6bd40f479406758John McCall 256d0014540005f2a5ab837365db6bd40f479406758John McCall DeclPtrTy invoke(FieldDeclarator &FD) { 257d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 258d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 259d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 260d0014540005f2a5ab837365db6bd40f479406758John McCall return DeclPtrTy(); 261d0014540005f2a5ab837365db6bd40f479406758John McCall } 262d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 263d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 264d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 265d0014540005f2a5ab837365db6bd40f479406758John McCall return DeclPtrTy(); 266d0014540005f2a5ab837365db6bd40f479406758John McCall } 267d0014540005f2a5ab837365db6bd40f479406758John McCall 268d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 269d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 270d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 271d0014540005f2a5ab837365db6bd40f479406758John McCall 272d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 273d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 274d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 275d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 276d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 277d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 278d0014540005f2a5ab837365db6bd40f479406758John McCall else 279d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 280d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 281d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 282d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 283d0014540005f2a5ab837365db6bd40f479406758John McCall DeclPtrTy Property = 284d0014540005f2a5ab837365db6bd40f479406758John McCall P.Actions.ActOnProperty(P.CurScope, AtLoc, FD, OCDS, 285d0014540005f2a5ab837365db6bd40f479406758John McCall GetterSel, SetterSel, IDecl, 286d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 287d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 288d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 289d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 290d0014540005f2a5ab837365db6bd40f479406758John McCall 291d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 292d0014540005f2a5ab837365db6bd40f479406758John McCall } 293d0014540005f2a5ab837365db6bd40f479406758John McCall}; 294d0014540005f2a5ab837365db6bd40f479406758John McCall 295dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 296dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 297dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 298294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2993536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 300dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 301dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 302dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 303294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 304294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 305294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 306294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 307b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCInterfaceDeclList(DeclPtrTy interfaceDecl, 308cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 309b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> allMethods; 310b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 16> allProperties; 311682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclGroupPtrTy, 8> allTUVariables; 31200933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 314782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 315bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 316294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 317e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 318df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy methodPrototype = 320df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 32125e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3223536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3233536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 324b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 325b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 326294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 327294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 330e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 331294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 332e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 333e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 335bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 336e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 337e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 339b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 340b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 341b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor Actions.CodeCompleteOrdinaryName(CurScope, 342b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor ObjCImpDecl? Action::CCC_ObjCImplementation 343b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor : Action::CCC_ObjCInterface); 344b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor ConsumeToken(); 345b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 346b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 347e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 348e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 3491fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 3501fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 3511fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 3521fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 3531fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3554985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 3564985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 357bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(0)); 358e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 359e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 361e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 362e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 363c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 364c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor Actions.CodeCompleteObjCAtDirective(CurScope, ObjCImpDecl, true); 365c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor ConsumeToken(); 366c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor break; 367c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 368c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 369a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 371a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 372782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 373782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 374e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 375bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 378bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 379bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 380a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 381a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 382bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 383bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 384bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 385bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 386f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 387bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 388a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 389a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 391a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 392a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 393a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 394bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 395e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 396bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 397a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 398bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 399a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 401a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 402f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 403f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 404f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 405e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 4078ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 4084ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor ParseObjCPropertyAttribute(OCDS, interfaceDecl, 4094ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor allMethods.data(), allMethods.size()); 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 411d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCPropertyCallback Callback(*this, interfaceDecl, allProperties, 412d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS, AtLoc, MethodImplKind); 413bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 414e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 415e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 416bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 418a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 419a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 420a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 421f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 422294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 423bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 424bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 425bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 426c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 427c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor Actions.CodeCompleteObjCAtDirective(CurScope, ObjCImpDecl, true); 428c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor ConsumeToken(); 429c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } else if (Tok.isObjCAtKeyword(tok::objc_end)) 430bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 431bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 432bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 434a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 435bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 436782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek Actions.ActOnAtEnd(AtEnd, interfaceDecl, 4371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 438beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 439beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 440294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 441294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 442d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 443d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 444d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 445d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 446d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 447d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 448d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 449d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 450d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 451d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 452d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 453d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 454d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 455d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 456d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 457d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 4584ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregorvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS, DeclPtrTy ClassDecl, 4594ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor DeclPtrTy *Methods, 4604ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor unsigned NumMethods) { 4618ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 462dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 464cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 465ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 466a93b108e025ef2480fa867cc533e7781a40a639bDouglas Gregor Actions.CodeCompleteObjCPropertyFlags(CurScope, DS); 467ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff ConsumeToken(); 468ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 469d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 471f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 472f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 473f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 474f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 475f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 480e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 48192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 482e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 48392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 484e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 48592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 486e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 48792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 488e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 48992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 490e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 49192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 492e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 493156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", 494156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 495dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4974ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 4984ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (II->getNameStart()[0] == 's') 4994ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor Actions.CodeCompleteObjCPropertySetter(CurScope, ClassDecl, 5004ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor Methods, NumMethods); 5014ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 5024ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor Actions.CodeCompleteObjCPropertyGetter(CurScope, ClassDecl, 5034ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor Methods, NumMethods); 5044ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor ConsumeToken(); 5054ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5064ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 5078ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.isNot(tok::identifier)) { 5081ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_ident); 5098ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 5108ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5118ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 513e013d685c6689ac7ae103ee88acf573422d1ed6aDaniel Dunbar if (II->getNameStart()[0] == 's') { 5148ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 5158ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setSetterName(Tok.getIdentifierInfo()); 516156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 518e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 519e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 520156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 5218ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5228ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 5238ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 5248ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setGetterName(Tok.getIdentifierInfo()); 525156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 5268ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 527e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 528a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 529cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 530cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 531cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 533156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 534156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 536156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 537d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 539156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 540d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 541d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5423536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 5431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 5443536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 545294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 546294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 547294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 548294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5494985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 5504985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 5514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::DeclPtrTy Parser::ParseObjCMethodPrototype(DeclPtrTy IDecl, 553b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 554df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 555294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 557bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 559b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl,MethodImplKind); 5603536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 5612bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 562f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 563294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 564294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 565294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 566294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 567294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 568294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 569294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 570294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 571294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 572294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5732fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 574ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 575ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 576ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 577ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 578ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 579ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 5809298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 581ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 582ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 583ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 584ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 585ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 586ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 587ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 588ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 589ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 590ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 591ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 592ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 593ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 594ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 595ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 596ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 597ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 598ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 599ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 600ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 601ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 602ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 603ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 604ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 605ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 606ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 607ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 608ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 609ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 610ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 611ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 612ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 613ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 614ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 615ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 616ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 617ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 618ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 619ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 620ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 621ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 622ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 623ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 624ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 625ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 626ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 627ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 628ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 629ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 630ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 631ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 632ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 633ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 634ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 635ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 636ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 637ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 638ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 639ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 640ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 641ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 642ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 643ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 644ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 645ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 646ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 6474b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 648ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 649d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 650294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 651294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6520196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 6530196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 654335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 6553ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 6563ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 6573ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 6595ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 6600196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 6610196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 662a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 663e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 664e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 666294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 667294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 668294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 669294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 670a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 671e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 672cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 673e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 675e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 676e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 677a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 678e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 680a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 681e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 682e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 683a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 684a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 685a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 686a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 687a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 688a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 689e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 690a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 691e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 692e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 693e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 694e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 6951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 696e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 697e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 698e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 699e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 700e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 701e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 702e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 703e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 704e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 705a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 706df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7084a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 709e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71119d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 712a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 7134fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 7144a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner TypeTy *Ty = 0; 715809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 716809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult TypeSpec = ParseTypeName(); 717809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 718809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 719809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7214a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 7224a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 7234a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 724e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 7251ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 7264a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 7274a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 7284a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 7294a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 7304a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 731294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 732f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 733294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 734294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 735294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 736294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 7374985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 738294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 7394985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 740294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 741294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 743294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 744294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 745294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 7467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 7477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 7487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 7497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 750294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 7524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 753294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 7554985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 756294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7574985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 758294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 759294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 7617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 7627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 763b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDecl(SourceLocation mLoc, 764b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::TokenKind mType, 765b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy IDecl, 766b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 76754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 76854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 769e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 770ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 771a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 772df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 773f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 775bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 7762fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 777e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 77884c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 77984c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 7801ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 7811ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 782e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 783e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 784b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 785e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 787439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian llvm::SmallVector<Declarator, 8> CargNames; 788df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 789ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 7901e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> MethodAttrs; 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 7921e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek MethodAttrs.reset(ParseGNUAttributes()); 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 794ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 79554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclPtrTy Result 79654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7971f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 7981e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek 0, CargNames, MethodAttrs.get(), 7991c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek MethodImplKind); 80054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 80154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 802ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 803f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 80468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 805e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner llvm::SmallVector<Action::ObjCArgInfo, 12> ArgInfos; 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 807ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 808e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner Action::ObjCArgInfo ArgInfo; 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 810ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 811df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 812ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 813ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 814ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 815ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 817e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Type = 0; 818e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 819e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec); 820e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 821ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 822e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 823df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 824bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgInfo.ArgAttrs = ParseGNUAttributes(); 8257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 826df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 827ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 828ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 8294985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 831e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 832e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 833ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 835e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 836e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 837e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 838ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 8394b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 8402fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 841df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 842ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 843ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 844ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 846335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 848ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 849df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 850ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 851df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 852335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 8534985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 854ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 8554985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 856ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 857ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 859ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 860ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 861439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian CargNames.push_back(ParmDecl); 8624985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 8631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 864ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 865e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 8661e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek llvm::OwningPtr<AttributeList> MethodAttrs; 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 8681e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek MethodAttrs.reset(ParseGNUAttributes()); 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8703688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian if (KeyIdents.size() == 0) 8713688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian return DeclPtrTy(); 872ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 873ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 87454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclPtrTy Result 87554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 8763688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 8771e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek &ArgInfos[0], CargNames, 8781e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek MethodAttrs.get(), 879335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 88054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 8811e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek 8821e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek // Delete referenced AttributeList objects. 8831e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek for (llvm::SmallVectorImpl<Action::ObjCArgInfo>::iterator 8841e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek I = ArgInfos.begin(), E = ArgInfos.end(); I != E; ++I) 8851e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek delete I->ArgAttrs; 8861e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek 88754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 888294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 889294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 890dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 891dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 892dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 8937caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 894b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclPtrTy> &Protocols, 89571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVectorImpl<SourceLocation> &ProtocolLocs, 89671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 89771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 898e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 8991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 902e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 904e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 90555385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 90655385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 90755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 90855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ConsumeToken(); 90955385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 91055385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 911e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 912e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 913e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 914e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 915e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 916e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 917e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 91871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 919e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 921e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 922e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 923e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 924e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 926e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 927e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 928e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 929e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 930e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 932e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 934e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 935e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 936e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 937e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 938e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 939e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 940e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 941dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 942dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 943dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 944dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 945dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 946dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 947dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 948dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 949dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 950dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 951dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 952dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 953dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 954dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 955dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 956ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 957dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 958dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 960dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 961b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCClassInstanceVariables(DeclPtrTy interfaceDecl, 96260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 963df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 964b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> AllIvarDecls; 965e13594279a952537ac903325efff57e3edca79d9Chris Lattner 9661a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 96772de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 968ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 970aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 971ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 972df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 973ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 975ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 976df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 977c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 97829d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(Tok.getLocation()); 979ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 980ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 981ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 983ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 984df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 985ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 986c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 987c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 988c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor Actions.CodeCompleteObjCAtVisibility(CurScope); 989c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor ConsumeToken(); 990c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 991c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 992861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 993ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 994ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 995ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 996ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 997861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 998ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1000ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1001ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1002ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1003ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1004ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1006c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 1007c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor Actions.CodeCompleteOrdinaryName(CurScope, 1008c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor Action::CCC_ObjCInstanceVariableList); 1009c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor ConsumeToken(); 1010c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1011c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1012bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1013bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1014bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy IDecl; 1015bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 1016bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &AllIvarDecls; 1017bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1018bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCIvarCallback(Parser &P, DeclPtrTy IDecl, tok::ObjCKeywordKind V, 1019bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &AllIvarDecls) : 1020bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1021bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1022bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1023bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy invoke(FieldDeclarator &FD) { 1024bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1025bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy Field 1026bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall = P.Actions.ActOnIvar(P.CurScope, 1027bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1028bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IDecl, FD.D, FD.BitfieldSize, visibility); 1029bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall AllIvarDecls.push_back(Field); 1030bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1031bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1032bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1033bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1034e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 1035e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 1036bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1038df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1039ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1040ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1041ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1042ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1043ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1044ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1045ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 104660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 10478749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 10488749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 10498749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 1050beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad AllIvarDecls.data(), AllIvarDecls.size(), 10511bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 1052ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1054dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1055dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1056dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1057dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1058dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1059dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 10601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 10621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1063dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1064dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1065dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1066dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1067dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1068dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 10693536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1070dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1071b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1072b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner AttributeList *attrList) { 1073861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 10747ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 10757ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1077083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 1078083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(CurScope); 1079083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor ConsumeToken(); 1080083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1081083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1082df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 10837ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1084b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10857ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10867ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 10877ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 10887ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1090df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 10917caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 10927ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 1094bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 10957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1097df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 10987caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 10997caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 11007caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 11017ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 11027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 11037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1104df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 11057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 11067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1107b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11087ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 11097caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 11107caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 11117ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1113df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 11147ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 11157ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 11167ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 11177ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1118b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1120e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1122bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 1123bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 11247caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 112771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 11287caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 1129b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 113071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 11317caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 113271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 113371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1134b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1136b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ProtoType = 1137e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1138beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1139beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 114018df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 1141246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 114225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 1143bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1145dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1152dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1155dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1156b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtImplementationDeclaration( 1157ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1158ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1159ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1160ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11623b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 11633b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 11643b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(CurScope); 11653b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor ConsumeToken(); 11663b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 11673b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1168df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1169ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1170b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1171ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1172ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1173ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1174ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1177ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1178ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1179ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1180ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 118333ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(CurScope, nameId); 118433ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor ConsumeToken(); 118533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 118633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1187df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1188ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1189ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1190ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1191ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1192b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1194df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1195ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1196ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1197b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1198ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1199ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1200b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplCatType = Actions.ActOnStartCategoryImplementation( 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 12028f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1203a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 120463e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1205b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1206ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1207ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1208ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1209ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1210df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1211ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1212ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1213df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1214ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1215b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1216ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1217ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1218ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1219ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1220b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplClsType = Actions.ActOnStartClassImplementation( 1221cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1222ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 122460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 122560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1226a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 122763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 122863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1229b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 123160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1232782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted KremenekParser::DeclPtrTy Parser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1233ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1234ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1235b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy Result = ObjCImpDecl; 1236ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1237a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1238782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek Actions.ActOnAtEnd(atEnd, ObjCImpDecl); 1239b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner ObjCImpDecl = DeclPtrTy(); 124063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1241a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 1242782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek else { 1243782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1244782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek Diag(atEnd.getBegin(), diag::warn_expected_implementation); 1245782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek } 1246a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1248e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 12491ac7104947020a60430ba6f519cd5869af77046fFariborz JahanianParser::DeclGroupPtrTy Parser::RetrievePendingObjCImpDecl() { 125063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 125163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(DeclPtrTy()); 125263e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian DeclPtrTy ImpDecl = PendingObjCImpDecl.pop_back_val(); 1253782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek Actions.ActOnAtEnd(SourceRange(), ImpDecl); 125463e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 125563e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 125663e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1257e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1258e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1259e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1260b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1261e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1262e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1263e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1264df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1265e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1266b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1267e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1268243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1269243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1270df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1271e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1272b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1273e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1274243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1275243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1276243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 12771ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1278b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1279243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1280b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1281b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1284ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1285ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1286ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1287ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1288ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1289ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1290ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1291ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1292ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1293ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1294ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1295b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1296ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1297ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1298f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1300b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1301322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1302424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(CurScope, ObjCImpDecl); 1303322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ConsumeToken(); 1304322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1305322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1306b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1307b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1308b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1309b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor return DeclPtrTy(); 1310b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1311b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1312f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1313f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1314f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1315df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1316ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1317ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1318322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1319322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1320322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor Actions.CodeCompleteObjCPropertySynthesizeIvar(CurScope, propertyId, 1321322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ObjCImpDecl); 1322322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ConsumeToken(); 1323322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1324322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1325df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1326ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1327ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1328ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1329f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1330ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1331ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1332f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1333f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1334df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1336ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1337ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1338b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::semi)) { 13391ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1340b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1341b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1342d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian else 1343d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian ConsumeToken(); // consume ';' 1344b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1345ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1346ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1347ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1348ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1349ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1350ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1351ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1352ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1353ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1354b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1355ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1356ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1357ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1358424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1359424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1360424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(CurScope, ObjCImpDecl); 1361424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor ConsumeToken(); 1362424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1363424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1364424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1365424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1366424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1367424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor return DeclPtrTy(); 1368424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1369424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1370c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1371c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1372c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1373c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1374c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1375df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1376ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1377ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1378ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1379df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 13801ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 1381b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1382ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1384397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1385397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1386397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 138743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 138815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions); 1389397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1390df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 139139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 13920e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1393397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 139443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1395397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1396397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 139739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1398e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res), CurScope); 1399397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1400397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1401c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 140278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1403c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 140443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult 140543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1406fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1407fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 14081ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 140943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1410fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1411fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 14122f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 14130e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1414fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 141543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1416fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1417fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 14181ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 141943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1420fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1421fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 142278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 14231ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 142443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 142578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 14263ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 14273ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 14288935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 14293ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 143061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult SynchBody(ParseCompoundStatementBody()); 14310e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 14328935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 14330e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1434fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 143576ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtSynchronizedStmt(atLoc, move(Res), move(SynchBody)); 1436c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1437c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1438397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1439397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1440397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1441397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1442397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1443397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1444397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1445397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1446397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1447397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1448397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 144943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1450397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 145143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1452397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1453df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 14541ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 145543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1456397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 145715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchStmts(Actions); 145815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyStmt(Actions); 14598935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 146061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult TryBody(ParseCompoundStatementBody()); 14618935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 14620e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1463bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1464a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1465df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 14666b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 14676b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 14686b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 14696b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 14706b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 14716b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 14726b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 14730e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1474161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1475cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1476b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy FirstPart; 14773b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1478df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1479397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1480e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1481df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1482397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1483397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 148443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // optional. As a result, we need to use "PrototypeContext", because 14867ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // we must accept either 'declarator' or 'abstract-declarator' here. 14877ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff Declarator ParmDecl(DS, Declarator::PrototypeContext); 14887ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 14897ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 14907ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // Inform the actions module about the parameter declarator, so it 14917ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 1492d219a3a462c31fc9aa0c0bcfb749e9e8e56b5e35Fariborz Jahanian // FIXME. Probably can build a VarDecl and avoid setting DeclContext. 14937ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff FirstPart = Actions.ActOnParamDeclarator(CurScope, ParmDecl); 14942f764f11f513c7b51c716fffa5d02e5de816836fFariborz Jahanian Actions.ActOnObjCCatchParam(FirstPart); 149564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1496397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 149893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 14991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150093a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 150193a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 150293a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 150393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 150493a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 150515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchBody(Actions, true); 1506c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1507c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1508c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1509c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 15100e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 15113b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 15120e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 15137ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff RParenLoc, FirstPart, move(CatchBody), 151476ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(CatchStmts)); 151564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 15161ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 15171ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 151843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1519397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1520397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 15216b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 15226b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 152364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 15248935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 15250e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 152615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyBody(Actions, true); 1527c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1528c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1529c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1530c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 15310e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1532161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 15330e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 153476ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyBody)); 1535397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1536397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1537397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1538397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1539bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1540397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 154143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1542bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 154376ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtTryStmt(atLoc, move(TryBody), move(CatchStmts), 154476ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyStmt)); 1545397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1546ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 15473536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1548ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1549b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDefinition() { 1550b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 15511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 155249f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(MDecl, Tok.getLocation(), Actions, 155349f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 155449f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing Objective-C method"); 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1556ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1557209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1558496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1559496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 156029d9c1adfadf65e2d847d44bec37746844b9e0e3Chris Lattner << CodeModificationHint::CreateRemoval(Tok.getLocation()); 1561496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1562ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1563209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1564ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1565409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1566df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1567da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1569409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1570409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1572409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1573409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1574b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1575ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1576409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 15771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1578409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 15798935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 15801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1581409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1582394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1583ebf6443a4f493233f7e8d92b3a991848c8b1c00dSteve Naroff Actions.ActOnStartOfObjCMethodDef(CurScope, MDecl); 158461364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 158561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult FnBody(ParseCompoundStatementBody()); 158661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1587409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 15880e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1589a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1590a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1591798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 159232ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff // TODO: Pass argument information. 159332ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff Actions.ActOnFinishFunctionBody(MDecl, move(FnBody)); 15941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1595409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 15968935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1597798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 159871c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16005508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 160143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 16029a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 16039a0c85e640a08174569a303db22981612f05d385Douglas Gregor Actions.CodeCompleteObjCAtStatement(CurScope); 16049a0c85e640a08174569a303db22981612f05d385Douglas Gregor ConsumeToken(); 16059a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 16065d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 16075d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 16085d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 16096b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 16105d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 16115d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 161264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 16135d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 16145d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 161564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 16165d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 1617d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 16180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 161964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 162064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 162164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 162264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 162343bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 162464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 16255d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 162664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 162764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 16285ee56e95c3905d2e7bc403631b03865cdbdd8a42Anders Carlsson return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res)); 162964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 163064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 16311d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 16325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 16339a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 16349a0c85e640a08174569a303db22981612f05d385Douglas Gregor Actions.CodeCompleteObjCAtExpression(CurScope); 16359a0c85e640a08174569a303db22981612f05d385Douglas Gregor ConsumeToken(); 16369a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 16379a0c85e640a08174569a303db22981612f05d385Douglas Gregor 1638b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1639b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 16401d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1641b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 16424fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 16431d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 16442f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 16454fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 16464fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 16471d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 16484fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 16491d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 16504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 16511d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 16524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 16531d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 16544fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 16555508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 16565508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 16575508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 16590ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 16600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 16610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 16620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 16630ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 16640ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 16651d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCMessageExpression() { 1666699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1667699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1668699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1669699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 167014dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1671699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 1672d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian if (ReceiverName != Ident_super || GetLookAheadToken(1).isNot(tok::period)) { 1673d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian SourceLocation NameLoc = ConsumeToken(); 1674d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 1675d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian ExprArg(Actions)); 1676d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 1677699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1678699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 16792f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 16800e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 16815c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 16821d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 1683699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 16841d922960e083906a586609ac6978678147250177Sebastian Redl 16850e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 168676ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl 0, move(Res)); 1687699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 16881d922960e083906a586609ac6978678147250177Sebastian Redl 1689699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1690699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 16920ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 16930ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 16940ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 16950ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 16960ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 16970ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 16980ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 16990ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 17001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 17010ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 17020ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 17030ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 17040ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 17050ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 17060ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 17070ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 17080ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 17091d922960e083906a586609ac6978678147250177Sebastian Redl/// 17101d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 1711699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 17125cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc, 1713699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 17141d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 1715c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 1716c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (ReceiverName) 1717d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor Actions.CodeCompleteObjCClassMessage(CurScope, ReceiverName, NameLoc, 1718d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 0, 0); 1719c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 1720d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor Actions.CodeCompleteObjCInstanceMessage(CurScope, ReceiverExpr.get(), 1721d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 0, 0); 1722c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff ConsumeToken(); 1723c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 1724d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 1725a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 17264b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 17272fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 172868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1729ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 17301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 173168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1732a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 173368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1734df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1735a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1736a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 173768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 173837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1739df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1740a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 17414fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 17424fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 17434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 17444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 17451d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1746a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 17471d922960e083906a586609ac6978678147250177Sebastian Redl 174868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 17491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 17502f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 17510e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 17524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 17534fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 17544fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 17554fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 17561d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 175737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 17581d922960e083906a586609ac6978678147250177Sebastian Redl 175937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 1760effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 17611d922960e083906a586609ac6978678147250177Sebastian Redl 1762d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 1763d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 1764d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (ReceiverName) 1765d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor Actions.CodeCompleteObjCClassMessage(CurScope, ReceiverName, NameLoc, 1766d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 1767d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.size()); 1768d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 1769d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor Actions.CodeCompleteObjCInstanceMessage(CurScope, ReceiverExpr.get(), 1770d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 1771d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.size()); 1772d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor ConsumeToken(); 1773d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 1774d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 177537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 17762fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 1777df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1778a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1779a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1780a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1781a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1782df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 178349f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 17841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 17852f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 17860e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 17874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 17884fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 17894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 17904fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 17911d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 179249f109c786f99eb7468dac3976db083a65493444Steve Naroff } 17930e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 179449f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 1795effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 1796a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1797a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1798a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 17991d922960e083906a586609ac6978678147250177Sebastian Redl 18004fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 18014fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 18024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 18034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 18041d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1805a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 18061d922960e083906a586609ac6978678147250177Sebastian Redl 1807df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1808a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 18094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 18104fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 18114fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 18124fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 18131d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1814a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 18151d922960e083906a586609ac6978678147250177Sebastian Redl 1816699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 18171d922960e083906a586609ac6978678147250177Sebastian Redl 181829238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1819ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1820ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1821ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 18221d922960e083906a586609ac6978678147250177Sebastian Redl 1823ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 18241d922960e083906a586609ac6978678147250177Sebastian Redl if (ReceiverName) 18251d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnClassMessage(CurScope, ReceiverName, Sel, 18261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LBracLoc, NameLoc, SelectorLoc, 1827ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson RBracLoc, 18281d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 18291d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnInstanceMessage(ReceiverExpr.release(), Sel, 1830ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson LBracLoc, SelectorLoc, RBracLoc, 18311d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 18320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 18330ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 18341d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 183520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult Res(ParseStringLiteralExpression()); 18361d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 18371d922960e083906a586609ac6978678147250177Sebastian Redl 1838b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1839b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1840b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1841b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1842a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 1843b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1844effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 18450e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1846b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1847b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1848b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 184915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 185097cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 185197cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 1852b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 185397cf6eb380016db868866faf27a086cd55a316d4Chris Lattner OwningExprResult Lit(ParseStringLiteralExpression()); 18540e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 18551d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 18560e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1857effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 1858b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 18591d922960e083906a586609ac6978678147250177Sebastian Redl 18601d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 18611d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 18625508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1863f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1864f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1865f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 18661d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 18671d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1868861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 18691d922960e083906a586609ac6978678147250177Sebastian Redl 1870f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 18711d922960e083906a586609ac6978678147250177Sebastian Redl 18724fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 18731d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 18741d922960e083906a586609ac6978678147250177Sebastian Redl 1875f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 18761d922960e083906a586609ac6978678147250177Sebastian Redl 1877809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 18781d922960e083906a586609ac6978678147250177Sebastian Redl 18794988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 18801d922960e083906a586609ac6978678147250177Sebastian Redl 1881809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1882809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1883809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 18841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 1885809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 1886f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 188729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 188829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 188929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 18901d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 18911d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 189229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 18931d922960e083906a586609ac6978678147250177Sebastian Redl 18944fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 18951d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 18961d922960e083906a586609ac6978678147250177Sebastian Redl 189729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 18981d922960e083906a586609ac6978678147250177Sebastian Redl 18994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 19001d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 19011d922960e083906a586609ac6978678147250177Sebastian Redl 1902390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 190329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 19041d922960e083906a586609ac6978678147250177Sebastian Redl 19054988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 190629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 19071d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 19081d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 190929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1910a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1911a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1912a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 19131d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 19141d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 1915a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 19161d922960e083906a586609ac6978678147250177Sebastian Redl 19174fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 19181d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 19191d922960e083906a586609ac6978678147250177Sebastian Redl 1920b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1921a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1922a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 19232fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 19241d922960e083906a586609ac6978678147250177Sebastian Redl if (!SelIdent && Tok.isNot(tok::colon)) // missing selector name. 19251d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 19261d922960e083906a586609ac6978678147250177Sebastian Redl 1927b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1928887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1929887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1930a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 19314fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 19321d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 19331d922960e083906a586609ac6978678147250177Sebastian Redl 1934cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1935a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1936a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1937a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1938a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1939a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 19402fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 1941b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1942a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1943a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1944a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1945887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1946a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1947887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 19481d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 19491d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 195058065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1951