ParseObjc.cpp revision a93b108e025ef2480fa867cc533e7781a40a639b
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 33861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 345ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 355ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 365ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 375ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 385ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 395ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 405ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 53b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 61b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 64c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek llvm::SmallVector<SourceLocation, 8> ClassLocs; 65c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 68df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 71b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 74c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 85b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 88c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 89c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 92dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 93dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 94dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 95dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 96dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 120b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtInterfaceDeclaration( 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 122861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1263b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1273b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 1283b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(CurScope); 1293b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor ConsumeToken(); 1303b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1313b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 132df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 134b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 135dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 13663e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 137dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 139dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 141df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 143dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 14733ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(CurScope, nameId); 14833ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor ConsumeToken(); 14933ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 15033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 151527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 152df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 155527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff } else if (!getLang().ObjC2) { 156527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 157b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 159df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 161dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 162b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 163dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 164dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 16771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 168b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 16971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 1706bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner if (Tok.is(tok::less) && 17171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 17271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 173b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 1771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 178beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad DeclPtrTy CategoryType = 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartCategoryInterface(atLoc, 180beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad nameId, nameLoc, 181beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad categoryId, categoryLoc, 182beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 183beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 184beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad EndProtoLoc); 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 186fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 187bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return CategoryType; 188dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 189dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 190dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 191dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1927ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 193df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 194dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 1953b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1963b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 1973b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 1983b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor Actions.CodeCompleteObjCSuperclass(CurScope, nameId); 1993b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor ConsumeToken(); 2003b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2013b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 202df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 204b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 205dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 206dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 207dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 210b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<Action::DeclPtrTy, 8> ProtocolRefs; 21171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 21271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 21306036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 21471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 21571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 216b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 2171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy ClsType = 2191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 22006036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 221beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 22206036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 224df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 22560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 226dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 22725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 228bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ClsType; 229dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 230dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 231dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 232dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 234294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2353536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 237dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 238dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 239294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 240294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 241294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 242294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 243b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCInterfaceDeclList(DeclPtrTy interfaceDecl, 244cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 245b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> allMethods; 246b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 16> allProperties; 247682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclGroupPtrTy, 8> allTUVariables; 24800933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 250bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner SourceLocation AtEndLoc; 251bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 252294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 253e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 254df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy methodPrototype = 256df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 25725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2583536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2593536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 260b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 261b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 262294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 263294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 2641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 265e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 266e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 267294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 268e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 269e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 271bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 272e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 273e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 275e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 276e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 2771fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 2781fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 2791fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 2801fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 2811fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 2821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2834985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 2844985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 285682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner allTUVariables.push_back(ParseDeclarationOrFunctionDefinition()); 286e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 287e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 290e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 291a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 293a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 294e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtEndLoc = AtLoc; 295e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 296bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 299bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 300bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 301a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 302a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 303bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 304bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 305bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 306bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 307f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 308bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 309a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 310a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 313a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 314a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 315bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 316e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 317bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 318a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 319bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 320a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 322a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 323f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 324f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 325f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 326e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 3288ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseObjCPropertyAttribute(OCDS); 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 331bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCPropertyCallback : FieldCallback { 332bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 333bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy IDecl; 334bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &Props; 335bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCDeclSpec &OCDS; 336bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall SourceLocation AtLoc; 337bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind MethodImplKind; 338bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 339bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCPropertyCallback(Parser &P, DeclPtrTy IDecl, 340bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &Props, 341bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 342bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind MethodImplKind) : 343bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 344bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall MethodImplKind(MethodImplKind) { 345bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 346bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 347bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy invoke(FieldDeclarator &FD) { 348bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (FD.D.getIdentifier() == 0) { 349bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 350bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall << FD.D.getSourceRange(); 351bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return DeclPtrTy(); 352bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 353bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (FD.BitfieldSize) { 354bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 355bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall << FD.D.getSourceRange(); 356bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return DeclPtrTy(); 357bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 358bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 359bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the property declarator into interfaceDecl. 360bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IdentifierInfo *SelName = 361bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 362bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 363bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Selector GetterSel = 364bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 365bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 366bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Selector SetterSel; 367bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (SetterName) 368bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 369bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall else 370bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 371bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.PP.getSelectorTable(), 372bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getIdentifier()); 373bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall bool isOverridingProperty = false; 374bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy Property = 375bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.Actions.ActOnProperty(P.CurScope, AtLoc, FD, OCDS, 376bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall GetterSel, SetterSel, IDecl, 377bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall &isOverridingProperty, 378bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall MethodImplKind); 379bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (!isOverridingProperty) 380bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Props.push_back(Property); 381bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 382bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Property; 383bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 384bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, allProperties, 385bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall OCDS, AtLoc, MethodImplKind); 386bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 387e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 388e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 389bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 391a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 392a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 393a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 394f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 395294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 396bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 397bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 398bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 399bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_end)) 400bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 401bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 402bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 404a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 405bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 4068a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 408beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 409beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 410294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 411294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 412d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 413d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 414d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 415d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 416d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 417d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 418d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 419d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 420d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 421d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 422d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 423d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 424d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 425d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 426d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 427d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 4287caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 4298ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 430dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 432cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 433ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 434a93b108e025ef2480fa867cc533e7781a40a639bDouglas Gregor Actions.CodeCompleteObjCPropertyFlags(CurScope, DS); 435ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff ConsumeToken(); 436ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 437d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 439f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 440f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 441f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 442f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 443f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 445156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 448e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 44992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 450e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 45192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 452e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 45392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 454e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 45592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 456e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 45792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 458e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 45992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 460e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 461156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", 462156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 463dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4658ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.isNot(tok::identifier)) { 4661ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_ident); 4678ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 4688ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4698ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 471e013d685c6689ac7ae103ee88acf573422d1ed6aDaniel Dunbar if (II->getNameStart()[0] == 's') { 4728ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 4738ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setSetterName(Tok.getIdentifierInfo()); 474156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 476156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "", 477156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 4788ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4798ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 4808ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 4818ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setGetterName(Tok.getIdentifierInfo()); 482156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4838ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 484e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 485a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 486cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 487cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 488cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 490156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 491156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 494d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 497d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 498d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4993536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 5013536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 502294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 503294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 504294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 505294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5064985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 5074985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 5084985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::DeclPtrTy Parser::ParseObjCMethodPrototype(DeclPtrTy IDecl, 510b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 511df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 512294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 514bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 516b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl,MethodImplKind); 5173536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 5182bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 519f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 520294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 521294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 522294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 523294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 524294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 525294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 526294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 527294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 528294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 529294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5302fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 531ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 532ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 533ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 534ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 536ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 5379298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 538ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 539ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 540ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 541ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 542ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 543ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 544ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 545ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 546ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 547ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 548ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 549ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 550ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 551ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 552ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 553ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 554ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 555ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 556ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 557ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 558ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 559ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 560ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 561ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 562ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 563ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 564ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 565ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 566ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 567ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 568ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 569ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 570ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 571ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 572ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 573ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 574ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 575ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 576ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 577ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 578ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 579ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 580ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 581ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 582ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 583ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 584ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 585ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 586ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 587ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 588ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 589ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 590ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 591ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 592ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 593ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 594ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 595ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 596ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 597ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 598ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 599ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 600ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 601ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 602ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 603ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 6044b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 605ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 606d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 607294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 608294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6090196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 6100196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 611335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 6123ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 6133ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 6143ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 6165ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 6170196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 6180196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 619a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 620e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 621e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 622294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 623294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 624294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 625294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 626294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 627a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 628e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 629cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 630e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 632e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 633e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 634a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 635e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 6361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 637a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 638e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 639e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 640a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 641a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 642a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 643a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 644a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 645a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 646e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 647a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 648e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 649e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 650e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 651e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 653e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 654e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 655e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 656e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 657e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 658e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 659e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 660e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 661e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 662a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 663df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6654a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 666e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 66819d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 669a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6704fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 6714a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner TypeTy *Ty = 0; 672809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 673809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult TypeSpec = ParseTypeName(); 674809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 675809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 676809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6784a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 6794a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 6804a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 681e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 6821ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 6834a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 6844a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 6854a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 6864a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 6874a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 688294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 689f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 690294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 691294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 692294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 693294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6944985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 695294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6964985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 697294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 698294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 700294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 701294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 702294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 7037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 7047ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 7057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 7067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 707294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7084985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 7094985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 710294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7114985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 7124985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 713294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7144985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 715294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 716294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7177ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 7187ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 7197ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 720b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDecl(SourceLocation mLoc, 721b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::TokenKind mType, 722b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy IDecl, 723b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 72454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 72554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 726e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 727ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 728a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 729df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 730f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 732bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 7332fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 734e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 73584c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 73684c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 7371ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 7381ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 739e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 740e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 741b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 742e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 744439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian llvm::SmallVector<Declarator, 8> CargNames; 745df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 746ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 747ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 749ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 751ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 75254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclPtrTy Result 75354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7541f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 7551c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek 0, CargNames, MethodAttrs, 7561c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek MethodImplKind); 75754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 75854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 759ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 760f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 76168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 762e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner llvm::SmallVector<Action::ObjCArgInfo, 12> ArgInfos; 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 764ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 765e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner Action::ObjCArgInfo ArgInfo; 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 768df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 769ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 770ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 771ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 772ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 774e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Type = 0; 775e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 776e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec); 777e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 778ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 779e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 780df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 781e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = ParseAttributes(); 7827ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 783df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 784ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 785ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7864985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 788e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 789e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 790ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 792e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 793e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 794e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 795ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7964b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7972fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 798df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 799ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 800ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 801ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 8021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 803335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 805ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 806df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 807ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 808df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 809335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 8104985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 811ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 8124985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 813ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 814ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 816ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 817ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 818439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian CargNames.push_back(ParmDecl); 8194985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 821ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 822e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 823ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 8241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 825ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8273688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian if (KeyIdents.size() == 0) 8283688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian return DeclPtrTy(); 829ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 830ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 83154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclPtrTy Result 83254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 8333688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 8341c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek &ArgInfos[0], CargNames, MethodAttrs, 835335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 83654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 83754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 838294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 839294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 840dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 841dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 842dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 8437caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 844b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclPtrTy> &Protocols, 84571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVectorImpl<SourceLocation> &ProtocolLocs, 84671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 84771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 848e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 8511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 852e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 8531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 854e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 85555385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 85655385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 85755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 85855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ConsumeToken(); 85955385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 86055385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 861e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 862e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 863e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 864e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 865e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 866e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 867e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 86871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 869e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 871e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 872e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 873e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 874e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 876e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 877e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 878e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 879e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 880e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 882e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 884e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 885e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 886e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 887e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 888e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 889e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 890e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 891dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 892dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 893dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 894dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 895dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 896dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 897dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 898dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 899dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 900dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 901dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 902dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 903dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 904dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 905dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 906ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 907dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 908dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 910dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 911b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCClassInstanceVariables(DeclPtrTy interfaceDecl, 91260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 913df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 914b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> AllIvarDecls; 915e13594279a952537ac903325efff57e3edca79d9Chris Lattner 9161a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 91772de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 918ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 920aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 921ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 922df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 923ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 926df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 927c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 928c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner << CodeModificationHint::CreateRemoval(SourceRange(Tok.getLocation())); 929ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 930ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 931ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 9321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 933ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 934df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 935ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 936861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 937ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 938ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 939ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 940ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 941861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 942ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 944ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 945ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 946ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 947ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 948ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 950bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 951bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 952bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy IDecl; 953bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 954bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &AllIvarDecls; 955bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 956bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCIvarCallback(Parser &P, DeclPtrTy IDecl, tok::ObjCKeywordKind V, 957bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &AllIvarDecls) : 958bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 959bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 960bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 961bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy invoke(FieldDeclarator &FD) { 962bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 963bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy Field 964bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall = P.Actions.ActOnIvar(P.CurScope, 965bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 966bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IDecl, FD.D, FD.BitfieldSize, visibility); 967bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall AllIvarDecls.push_back(Field); 968bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 969bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 970bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 971bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 972e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 973e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 974bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 976df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 977ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 978ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 979ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 980ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 981ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 982ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 983ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 98460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 9858749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 9868749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 9878749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 988beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad AllIvarDecls.data(), AllIvarDecls.size(), 9891bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 990ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 992dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 993dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 994dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 995dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 996dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 997dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1001dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1002dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1003dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1004dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1005dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1006dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 10073536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1008dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1009b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1010b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner AttributeList *attrList) { 1011861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 10127ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 10137ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1015083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 1016083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(CurScope); 1017083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor ConsumeToken(); 1018083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1019083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1020df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 10217ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1022b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10237ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10247ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 10257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 10267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1028df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 10297caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 10307ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 1032bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 10337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1035df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 10367caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 10377caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 10387caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 10397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 10407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 10417ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1042df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 10437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 10447ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1045b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10477caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 10487caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 10497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1051df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 10527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 10537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10547ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 10557ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1056b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1058e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1060bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 1061bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 10627caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 106571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 10667caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 1067b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 106871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 10697caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 107071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 107171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1072b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1074b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ProtoType = 1075e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1076beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1077beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 1078246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 107925e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 1080bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1081dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1082dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1083dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1084dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1085dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1086dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1087dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1088dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1089dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1090dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1091dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1092dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1093b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtImplementationDeclaration( 1094ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1095ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1096ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1097ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10993b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 11003b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 11013b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(CurScope); 11023b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor ConsumeToken(); 11033b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 11043b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1105df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1106ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1107b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1108ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1109ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1110ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1111ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1114ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1115ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1116ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1117ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111933ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 112033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(CurScope, nameId); 112133ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor ConsumeToken(); 112233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 112333ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1124df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1125ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1126ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1127ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1128ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1129b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1131df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1132ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1133ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1134b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1135ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1136ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1137b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplCatType = Actions.ActOnStartCategoryImplementation( 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 11398f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1140a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 114163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1142b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1143ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1144ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1145ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1146ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1147df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1148ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1149ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1150df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1151ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1152b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1153ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1154ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1155ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1156ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1157b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplClsType = Actions.ActOnStartClassImplementation( 1158cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1159ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 116260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1163a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 116463e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 116563e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1166b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 116860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1169b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1170ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1171ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1172b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy Result = ObjCImpDecl; 1173ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1174a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1175a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 1176b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner ObjCImpDecl = DeclPtrTy(); 117763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1178a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 117994cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 118094cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1181a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1183e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 11841ac7104947020a60430ba6f519cd5869af77046fFariborz JahanianParser::DeclGroupPtrTy Parser::RetrievePendingObjCImpDecl() { 118563e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 118663e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(DeclPtrTy()); 118763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian DeclPtrTy ImpDecl = PendingObjCImpDecl.pop_back_val(); 118863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian Actions.ActOnAtEnd(SourceLocation(), ImpDecl); 118963e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 119063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 119163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1192e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1193e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1194e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1195b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1196e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1197e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1198e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1199df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1200e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1201b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1202e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1203243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1204243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1205df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1206e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1207b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1208e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1209243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1210243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1211243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 12121ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1213b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1214243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1215b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1216b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1219ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1220ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1221ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1222ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1223ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1224ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1225ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1226ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1227ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1228ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1229ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1230b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1231ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1232ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1233f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1235b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1236322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1237424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(CurScope, ObjCImpDecl); 1238322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ConsumeToken(); 1239322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1240322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1241b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1242b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1243b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1244b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor return DeclPtrTy(); 1245b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1246b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1247f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1248f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1249f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1250df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1251ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1252ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1253322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1254322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1255322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor Actions.CodeCompleteObjCPropertySynthesizeIvar(CurScope, propertyId, 1256322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ObjCImpDecl); 1257322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ConsumeToken(); 1258322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1259322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1260df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1261ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1262ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1263ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1264f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1265ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1266ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1267f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1268f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1269df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1270ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1271ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1272ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1273b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::semi)) { 12741ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1275b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1276b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1277d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian else 1278d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian ConsumeToken(); // consume ';' 1279b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1280ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1281ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1282ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1283ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1284ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1285ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1286ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1287ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1288ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1289b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1290ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1291ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1292ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1293424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1294424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1295424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(CurScope, ObjCImpDecl); 1296424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor ConsumeToken(); 1297424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1298424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1299424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1300424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1301424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1302424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor return DeclPtrTy(); 1303424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1304424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1305c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1306c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1307c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1308c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1309c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1310df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1311ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1312ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1313ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1314df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 13151ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 1316b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1317ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1319397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1320397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1321397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 132243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 132315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions); 1324397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1325df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 132639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 13270e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1328397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 132943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1330397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1331397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 133239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1333e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res), CurScope); 1334397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1335397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1336c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 133778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1338c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 133943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult 134043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1341fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1342fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 13431ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 134443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1345fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1346fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 13472f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 13480e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1349fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 135043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1351fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1352fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 13531ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 135443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1355fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1356fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 135778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 13581ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 135943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 136078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 13613ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 13623ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 13638935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 13643ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 136561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult SynchBody(ParseCompoundStatementBody()); 13660e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 13678935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 13680e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1369fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 137076ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtSynchronizedStmt(atLoc, move(Res), move(SynchBody)); 1371c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1372c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1373397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1374397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1375397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1376397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1377397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1378397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1379397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1380397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1381397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1382397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1383397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 138443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1385397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 138643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1387397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1388df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 13891ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 139043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1391397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 139215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchStmts(Actions); 139315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyStmt(Actions); 13948935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 139561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult TryBody(ParseCompoundStatementBody()); 13968935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 13970e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1398bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1399a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1400df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 14016b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 14026b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 14036b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 14046b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 14056b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 14066b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 14076b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 14080e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1409161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1410cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1411b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy FirstPart; 14123b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1413df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1414397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1415e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1416df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1417397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1418397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 141943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // optional. As a result, we need to use "PrototypeContext", because 14217ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // we must accept either 'declarator' or 'abstract-declarator' here. 14227ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff Declarator ParmDecl(DS, Declarator::PrototypeContext); 14237ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 14247ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 14257ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // Inform the actions module about the parameter declarator, so it 14267ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 14277ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff FirstPart = Actions.ActOnParamDeclarator(CurScope, ParmDecl); 142864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1429397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 14301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 143193a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 143393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 143493a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 143593a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 143693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 143793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 143815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchBody(Actions, true); 1439c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1440c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1441c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1442c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 14430e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 14443b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 14450e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 14467ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff RParenLoc, FirstPart, move(CatchBody), 144776ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(CatchStmts)); 144864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 14491ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 14501ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 145143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1452397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1453397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 14546b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 14556b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 145664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 14578935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 14580e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 145915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyBody(Actions, true); 1460c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1461c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1462c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1463c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 14640e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1465161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 14660e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 146776ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyBody)); 1468397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1469397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1470397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1471397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1472bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1473397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 147443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1475bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 147676ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtTryStmt(atLoc, move(TryBody), move(CatchStmts), 147776ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyStmt)); 1478397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1479ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 14803536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1481ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1482b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDefinition() { 1483b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148549f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(MDecl, Tok.getLocation(), Actions, 148649f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 148749f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing Objective-C method"); 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1489ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1490209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1491496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1492496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1493496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek << CodeModificationHint::CreateRemoval(SourceRange(Tok.getLocation())); 1494496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1495ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1496209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1497ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1498409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1499df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1500da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1502409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1503409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1505409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1506409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1507b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1508ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1509409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 15101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1511409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 15128935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1514409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1515394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1516ebf6443a4f493233f7e8d92b3a991848c8b1c00dSteve Naroff Actions.ActOnStartOfObjCMethodDef(CurScope, MDecl); 151761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 151861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult FnBody(ParseCompoundStatementBody()); 151961364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1520409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 15210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1522a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1523a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1524798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 152532ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff // TODO: Pass argument information. 152632ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff Actions.ActOnFinishFunctionBody(MDecl, move(FnBody)); 15271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1528409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 15298935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1530798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 153171c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15335508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 153443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 153564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 15366b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 153764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 153864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 153964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 154064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1541d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 15420e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 154364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 154464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 154564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 154664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 154743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 154864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 154964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 155064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 15516b1d283fe879fb11d7ce7a69feecf66e77b0eaf3Anders Carlsson return Actions.ActOnExprStmt(Actions.FullExpr(Res)); 155264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 155364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 15541d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 15555508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1556b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1557b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 15581d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1559b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 15604fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 15611d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 15622f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 15634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 15644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 15651d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 15664fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 15671d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 15684fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 15691d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 15704fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 15711d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 15724fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 15735508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 15745508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 15755508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 15770ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 15780ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 15790ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 15800ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 15810ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 15820ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 15831d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCMessageExpression() { 1584699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1585699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1586699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1587699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 158814dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1589699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 1590d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian if (ReceiverName != Ident_super || GetLookAheadToken(1).isNot(tok::period)) { 1591d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian SourceLocation NameLoc = ConsumeToken(); 1592d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 1593d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian ExprArg(Actions)); 1594d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 1595699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1596699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 15972f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 15980e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 15995c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 16001d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 1601699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 16021d922960e083906a586609ac6978678147250177Sebastian Redl 16030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 160476ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl 0, move(Res)); 1605699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 16061d922960e083906a586609ac6978678147250177Sebastian Redl 1607699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1608699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 16100ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 16110ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 16120ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 16130ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 16140ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 16150ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 16160ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 16170ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 16181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 16190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 16200ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 16210ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 16220ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 16230ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 16240ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 16250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 16260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 16271d922960e083906a586609ac6978678147250177Sebastian Redl/// 16281d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 1629699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 16305cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc, 1631699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 16321d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 1633c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 1634c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (ReceiverName) 163560b01cc44855d62979f76dc4cdffa4277f321049Douglas Gregor Actions.CodeCompleteObjCClassMessage(CurScope, ReceiverName, NameLoc); 1636c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 163760b01cc44855d62979f76dc4cdffa4277f321049Douglas Gregor Actions.CodeCompleteObjCInstanceMessage(CurScope, ReceiverExpr.get()); 1638c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff ConsumeToken(); 1639c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 1640a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 16414b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 16422fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 164368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1644ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1647a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 164868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1649df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1650a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1651a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 165268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 165337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1654df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1655a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 16564fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 16574fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 16584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 16594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 16601d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1661a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 16621d922960e083906a586609ac6978678147250177Sebastian Redl 166368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 16641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 16652f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 16660e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 16674fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 16684fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 16694fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 16704fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 16711d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 167237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 16731d922960e083906a586609ac6978678147250177Sebastian Redl 167437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 1675effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 16761d922960e083906a586609ac6978678147250177Sebastian Redl 167737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 16782fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 1679df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1680a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1681a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1682a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1683a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1684df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 168549f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 16861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 16872f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 16880e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 16894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 16904fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 16914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 16924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 16931d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 169449f109c786f99eb7468dac3976db083a65493444Steve Naroff } 16950e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 169649f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 1697effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 1698a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1699a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1700a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 17011d922960e083906a586609ac6978678147250177Sebastian Redl 17024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 17034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 17044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 17054fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 17061d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1707a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 17081d922960e083906a586609ac6978678147250177Sebastian Redl 1709df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1710a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 17114fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 17124fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 17134fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 17144fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 17151d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1716a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 17171d922960e083906a586609ac6978678147250177Sebastian Redl 1718699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 17191d922960e083906a586609ac6978678147250177Sebastian Redl 172029238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1721ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1722ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1723ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 17241d922960e083906a586609ac6978678147250177Sebastian Redl 1725ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 17261d922960e083906a586609ac6978678147250177Sebastian Redl if (ReceiverName) 17271d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnClassMessage(CurScope, ReceiverName, Sel, 17281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LBracLoc, NameLoc, SelectorLoc, 1729ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson RBracLoc, 17301d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 17311d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnInstanceMessage(ReceiverExpr.release(), Sel, 1732ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson LBracLoc, SelectorLoc, RBracLoc, 17331d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 17340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 17350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 17361d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 173720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult Res(ParseStringLiteralExpression()); 17381d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 17391d922960e083906a586609ac6978678147250177Sebastian Redl 1740b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1741b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1742b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1743b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1744a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 1745b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1746effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 17470e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1748b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1749b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1750b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 175115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 175297cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 175397cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 1754b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 175597cf6eb380016db868866faf27a086cd55a316d4Chris Lattner OwningExprResult Lit(ParseStringLiteralExpression()); 17560e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 17571d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 17580e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1759effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 1760b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 17611d922960e083906a586609ac6978678147250177Sebastian Redl 17621d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 17631d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 17645508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1765f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1766f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1767f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 17681d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 17691d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1770861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 17711d922960e083906a586609ac6978678147250177Sebastian Redl 1772f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 17731d922960e083906a586609ac6978678147250177Sebastian Redl 17744fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 17751d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 17761d922960e083906a586609ac6978678147250177Sebastian Redl 1777f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 17781d922960e083906a586609ac6978678147250177Sebastian Redl 1779809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 17801d922960e083906a586609ac6978678147250177Sebastian Redl 17814988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 17821d922960e083906a586609ac6978678147250177Sebastian Redl 1783809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1784809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1785809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 1787809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 1788f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 178929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 179029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 179129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 17921d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 17931d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 179429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 17951d922960e083906a586609ac6978678147250177Sebastian Redl 17964fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 17971d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 17981d922960e083906a586609ac6978678147250177Sebastian Redl 179929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 18001d922960e083906a586609ac6978678147250177Sebastian Redl 18014fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 18021d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 18031d922960e083906a586609ac6978678147250177Sebastian Redl 1804390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 180529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 18061d922960e083906a586609ac6978678147250177Sebastian Redl 18074988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 180829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 18091d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 18101d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 181129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1812a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1813a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1814a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 18151d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 18161d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 1817a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 18181d922960e083906a586609ac6978678147250177Sebastian Redl 18194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 18201d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 18211d922960e083906a586609ac6978678147250177Sebastian Redl 1822b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1823a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1824a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 18252fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 18261d922960e083906a586609ac6978678147250177Sebastian Redl if (!SelIdent && Tok.isNot(tok::colon)) // missing selector name. 18271d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 18281d922960e083906a586609ac6978678147250177Sebastian Redl 1829b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1830887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1831887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1832a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 18334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 18341d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 18351d922960e083906a586609ac6978678147250177Sebastian Redl 1836cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1837a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1838a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1839a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1840a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1841a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 18422fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 1843b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1844a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1845a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1846a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1847887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1848a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1849887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 18501d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 18511d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 185258065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1853