ParseObjc.cpp revision 9735c5e60027b26a809df19677ff16a4d13f1321
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 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1519510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Parse/Parser.h" 160fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor#include "RAIIObjectsForParser.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 18f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 3091fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 3191fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 32d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtDirectives() { 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 36a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 37dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 38c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 39c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 40861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_interface: { 440b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseObjCAtInterfaceDeclaration(AtLoc, attrs); 467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 477f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_protocol: { 480b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 497f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseObjCAtProtocolDeclaration(AtLoc, attrs); 507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 545ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 555ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 565ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 575ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 585ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 595ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 605ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 615ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 625ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 635ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 64d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 72d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 745f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 8> ClassNames; 755f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ClassLocs; 76c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 79df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 82d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 85c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 96d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 99c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 100c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 127dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 130dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1317f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallDecl *Parser::ParseObjCAtInterfaceDeclaration(SourceLocation atLoc, 1327f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 133861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 134dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 135dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1373b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1383b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 13923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 140dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1413b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1423b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 143df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 145d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 14763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1515512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 1525512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 153dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin // TODO(dgregor): Use the return value from the next line to provide better 154dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin // recovery. 155dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 156dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 157dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 15833ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 15923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 160dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 16133ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 16233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 163527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 164df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 165dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 166dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 16705511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 16805511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian else if (!getLang().ObjC2) { 169527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 170d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 172df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 175d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1785512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian // Next, we need to check for any protocol references. 1795512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian SourceLocation LAngleLoc, EndProtoLoc; 1805f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 1815f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 1825512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::less) && 1835512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 18471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 185d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 18605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian 1877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.empty()) // categories don't support attributes. 1885512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Diag(Tok, diag::err_objc_no_attributes_on_category); 1895512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian 190d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *CategoryType = 1915512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Actions.ActOnStartCategoryInterface(atLoc, 1925512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian nameId, nameLoc, 1935512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian categoryId, categoryLoc, 1945512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.data(), 1955512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.size(), 1965512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolLocs.data(), 1975512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian EndProtoLoc); 198e6f07f538fd0eddd6c087fcc01d4e4ff19129c71Fariborz Jahanian 199a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (Tok.is(tok::l_brace)) 200a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCClassInstanceVariables(CategoryType, tok::objc_private, atLoc); 201a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 202a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(CategoryType); 203a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_not_keyword); 204a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(CategoryType); 2055512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return CategoryType; 206dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 207dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 2107ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 211df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 212dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2133b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2143b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2153b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 21623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperclass(getCurScope(), nameId, nameLoc); 217dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 2183b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2193b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 220df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 222d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 223dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 224dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 225dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 226dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 227dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 2285f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 23071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 23106036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 23271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 23371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 234d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 2371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 23806036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 239beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 24018df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 2417f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 2421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 243df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 24483c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, atLoc); 245dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 246a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(ClsType); 247a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_interface); 248a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(ClsType); 2495512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 250dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 251dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 252d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 253d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 254d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 255d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 2565f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props; 257d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 258d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 259d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 260d0014540005f2a5ab837365db6bd40f479406758John McCall 261a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback(Parser &P, 2625f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props, 263d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 264d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 265a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P(P), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 266d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 267d0014540005f2a5ab837365db6bd40f479406758John McCall } 268d0014540005f2a5ab837365db6bd40f479406758John McCall 269d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 270d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 271d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 272d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 273d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 274d0014540005f2a5ab837365db6bd40f479406758John McCall } 275d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 276d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 277d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 278d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 279d0014540005f2a5ab837365db6bd40f479406758John McCall } 280d0014540005f2a5ab837365db6bd40f479406758John McCall 281d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 282d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 283d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 284d0014540005f2a5ab837365db6bd40f479406758John McCall 285d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 286d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 287d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 288d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 289d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 290d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 291d0014540005f2a5ab837365db6bd40f479406758John McCall else 292d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 293d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 294d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 295d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 296d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 29723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor P.Actions.ActOnProperty(P.getCurScope(), AtLoc, FD, OCDS, 298a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian GetterSel, SetterSel, 299d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 300d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 301d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 302d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 303d0014540005f2a5ab837365db6bd40f479406758John McCall 304d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 305d0014540005f2a5ab837365db6bd40f479406758John McCall } 306d0014540005f2a5ab837365db6bd40f479406758John McCall}; 307d0014540005f2a5ab837365db6bd40f479406758John McCall 308dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 309dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 310dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 311294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3123536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 313dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 314dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 315dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 316294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 317294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 318294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 319294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 320a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(tok::ObjCKeywordKind contextKey) { 3215f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> allMethods; 3225f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 16> allProperties; 3235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclGroupPtrTy, 8> allTUVariables; 32400933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 327bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 328294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 330df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 331d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *methodPrototype = 332a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCMethodPrototype(MethodImplKind, false); 33325e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3343536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3353536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 336b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 337b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 338294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 339294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 34005511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 34105511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 342d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 343d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 34490ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, false); 34505511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 34605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 347e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 348e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 349294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 350e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 351e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 353bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 354e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 355e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 357b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 358b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 35923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 360f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall ObjCImpDecl? Sema::PCC_ObjCImplementation 361f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 362dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 363b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 364b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 365e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 366e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 3671fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 3681fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 3691fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 3701fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 3711fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 3720b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 3737f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 374e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 375e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 378e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 379c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 380a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 381dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 382c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor break; 383c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 384c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 385a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 387a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 388782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 389782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 390e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 391c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 392c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 393c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 394c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 395bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 397bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 398bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 399bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 400a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 401a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 402bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 403bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 404bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 405bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 406f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 407bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 408a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 409a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 41046d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 41146d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 412df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 41346d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian Diag(Tok, diag::err_objc_missing_end); 41446d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 41546d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 41646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 417a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 418a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 419a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 420bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 421e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 422bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 423a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 424bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 425a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 428f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 429b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 430f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 431e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 4338ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 434a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback Callback(*this, allProperties, 437d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS, AtLoc, MethodImplKind); 438bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 439e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 4400b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 441bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4437da19ea50d4161fcda40d135735bcf450cabeb50John McCall ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); 444a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 445f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 446294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 447bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 448bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 449bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 450c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 451a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 452dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 453c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } else if (Tok.isObjCAtKeyword(tok::objc_end)) 454bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 455bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 456bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 458a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 459bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 460a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), AtEnd, 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 462beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 463beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 464294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 465294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 466d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 467d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 468d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 469d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 470d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 471d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 472d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 473d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 474d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 475d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 476d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 477d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 478d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 479d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 480d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 481f85e193739c953358c865005855253af4f68a497John McCall/// atomic 482f85e193739c953358c865005855253af4f68a497John McCall/// strong 483f85e193739c953358c865005855253af4f68a497John McCall/// weak 484f85e193739c953358c865005855253af4f68a497John McCall/// unsafe_unretained 485d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 486a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 4878ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 488dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 490cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 491ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 49223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 493dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 494ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 495d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 498f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 499f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 500f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 501f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 503156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 506e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 50792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 508e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 509f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("unsafe_unretained")) 510f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_unsafe_unretained); 51192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 512e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 51392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 514e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 515f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("strong")) 516f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_strong); 51792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 518e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 51992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 520e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 52145937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian else if (II->isStr("atomic")) 52245937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 523f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("weak")) 524f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_weak); 52592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 52642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 52742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 528e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 52942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 53042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 53142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 53242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 533dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5354ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 53642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 537a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySetter(getCurScope()); 5384ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 539a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyGetter(getCurScope()); 540dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 5414ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5424ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 54342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 54442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 54542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 54642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 54742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 54842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 54942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 5508ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 5518ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5528ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 5531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 5558ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 55642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 5571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 558e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 559e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 560156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 5618ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5628ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 5638ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 56442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 5658ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 566e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 567a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 568cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 569cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 570cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 572156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 573156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 575156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 576d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 578156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 579d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 580d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5813536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 5833536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 584294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 585294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 586294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 587294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5884985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 5894985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 5904985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 591a28948f34817476d02412fa204cae038e228c827Fariborz JahanianDecl *Parser::ParseObjCMethodPrototype(tok::ObjCKeywordKind MethodImplKind, 59290ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 593df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 594294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 596bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 597a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, MethodImplKind, 59890ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodDefinition); 5993536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 6002bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 601f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 602294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 603294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 604294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 605294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 606294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 607294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 608294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 609294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 610294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 611294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6122fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 613be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 614ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 615ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 616ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 617afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 618afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 619afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 620afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 621afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 622afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 623afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 624afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 625afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 626afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 627afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6283846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 629afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian if (isalpha(ThisTok[0])) { 630afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 631afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 632afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 633afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 634afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 635afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 636afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 637afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 638ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 639ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 640ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 6419298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 642ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 643ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 644ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 645ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 646ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 647ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 648ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 649ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 650ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 651ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 652ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 653ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 654ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 655ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 656ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 657ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 658ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 659ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 660ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 661ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 662ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 663ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 664ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 665ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 666ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 667ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 668ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 669ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 670ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 671ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 672ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 673ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 674ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 675ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 676ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 677ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 678ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 679ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 680ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 681ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 682ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 683ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 684ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 685ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 686ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 687ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 688ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 689ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 690ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 691ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 692ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 693ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 694ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 695ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 696ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 697ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 698ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 699ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 700ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 701ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 702ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 703ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 705ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 706ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 707ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 7084b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 709ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 710d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 711294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 712294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7130196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7140196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 715335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7163ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7173ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7183ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 7205ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7210196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7220196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 723a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 724e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 725e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 726294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 727294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 728294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 729294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 730294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 731b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 732b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ObjCTypeNameContext Context) { 733e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 734d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 735b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS, 736b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Context == OTN_ParameterType); 737d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ConsumeCodeCompletionToken(); 738d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 739d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 740cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 741e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 743e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 744e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 745a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 746e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 748a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 749e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 750e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 751a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 752a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 753a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 754a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 755a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 756a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 757e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 758a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 759e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 760e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 761e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 762e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 764e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 765e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 766e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 767e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 768e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 769e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 770e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 771e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 772e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 773b77cab97f17f946744c920629ca17271308d8ebfDouglas GregorParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, 774b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ObjCTypeNameContext Context) { 775df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7774a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 778e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 7799735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 7809735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 78119d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 782b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ParseObjCTypeQualifierList(DS, Context); 7834fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 784b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 785809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 786f85e193739c953358c865005855253af4f68a497John McCall TypeResult TypeSpec = 787f85e193739c953358c865005855253af4f68a497John McCall ParseTypeName(0, Declarator::ObjCPrototypeContext, &DS); 788809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 789809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 790809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 791f85e193739c953358c865005855253af4f68a497John McCall 7924a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 7934a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 7944a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 795e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 7961ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 7974a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 7984a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 7994a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 8004a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 8014a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 802294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 803f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 804294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 805294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 806294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 807294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 8084985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 809294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 8104985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 811294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 812294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 8131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 814294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 815294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 816294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 8177ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 8187ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 8197ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 8207ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 821294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8224985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 8234985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 824294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8254985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 8264985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 827294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8284985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 829294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 830294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8317ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 8327ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 8337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 834d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 8352ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 83690ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind, 83790ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 83854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 83954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 840e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 84123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 842a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian /*ReturnType=*/ ParsedType()); 843dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 844e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 845e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 846e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 847b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 848a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 849df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 850b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ReturnType = ParseObjCTypeName(DSRet, OTN_ResultType); 8511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8529e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 8530b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes methodAttrs(AttrFactory); 8547f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 8550b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 8569e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 857e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 85823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 859a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ReturnType); 860dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 861e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 862e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 8639e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 864bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 8652fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 866e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 86784c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 86884c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 8691ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 8701ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 871e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 872e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 873d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 874e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8765f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 877df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 878ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 8797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 8800b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 882ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 883d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 8847f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 885a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 886926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, 0, 8874f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 8880b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), MethodImplKind, 8890b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, MethodDefinition); 89054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 89154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 892ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 893f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 8945f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 8955f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 8967f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian ParseScope PrototypeScope(this, 8977f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian Scope::FunctionPrototypeScope|Scope::DeclScope); 8980b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 8990b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall AttributePool allParamAttrs(AttrFactory); 9007f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 901ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 9020b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes paramAttrs(AttrFactory); 903f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 905ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 906df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 907ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 908ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 909ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 910ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 912b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 913e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 914b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, OTN_ParameterType); 915e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 916ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 917e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 9187f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) { 9190b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(paramAttrs); 9200b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ArgInfo.ArgAttrs = paramAttrs.getList(); 9217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 9227ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 92340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 92440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 92540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ConsumeCodeCompletionToken(); 92640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 92740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 92840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 92940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 93040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ReturnType, 93140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.data(), 93240ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.size()); 93340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.pop_back(); 93440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor break; 93540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 93640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 937df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 938ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 939ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9404985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 942e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 943e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 944ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 9451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 946e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 947e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 948e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 9490b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall // Make sure the attributes persist. 9500b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall allParamAttrs.takeAllFrom(paramAttrs.getPool()); 9510b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 9521f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 9531f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 9541f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ConsumeCodeCompletionToken(); 9551f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 9561f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 95740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 9581f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ReturnType, 9591f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.data(), 9601f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.size()); 9611f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor break; 9621f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 9631f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 964ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 9654b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 9662fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 967df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 968ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 969ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 970ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 972335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 974ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 975df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 976ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 977df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 978335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 9794985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 980ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9814985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9820b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 983ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 985ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 986ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 9874f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 988d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 9894f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 9904f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 9914f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 9924f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 9934f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 9944985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9969c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 997e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 9987f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 9990b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10007f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1001a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (KeyIdents.size() == 0) 1002d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 10037f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1004ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 1005ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 1006d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 10077f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1008a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 1009926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, &ArgInfos[0], 10104f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 10110b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), 101290ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, isVariadic, MethodDefinition); 10137f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 101454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 101554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1016294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 1017294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 1018dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 1019dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 1020dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 10217caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 10225f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerParseObjCProtocolReferences(SmallVectorImpl<Decl *> &Protocols, 10235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceLocation> &ProtocolLocs, 102471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 102571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1026e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 102871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10305f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolIdents; 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 103355385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 103455385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 103555385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 1036dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 103755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 103855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1039e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1040e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1041e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1042e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1043e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1044e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1045e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 104671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1047e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1049e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1050e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1051e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1052e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1054e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1055e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 1056e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 1057e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1058e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1060e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1062e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1063e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1064e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1065e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1066e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1067e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1068e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 10699bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 10709bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 107146f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 10729bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 10739bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 10749bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 10755f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolDecl; 10765f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 107746f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 107846f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 10799bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 10809bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 10819bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 10829bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 108346f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 10849bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 10859bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10869bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1087dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1088dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1089dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1090dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1091dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1092dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1093dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1094dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1095dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1096dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1097dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1098dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1099dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1102ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1107d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 110883c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 110960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1110df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 11115f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> AllIvarDecls; 1112a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 11131a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 111472de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 1115ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 11161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1117ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1118df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1119ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 11201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1121ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1122df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1123f13ca06e57ac094ed05ea08c26a499af1ba0ce88Douglas Gregor Diag(Tok, diag::ext_extra_ivar_semi) 1124849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1125ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1126ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1127ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1129ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1130df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1131ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1132c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1133c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 113423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 1135dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1136c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1137c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1138861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1139ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1140ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1141ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1142ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1143861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1144ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 11451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1146ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1147ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1148ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1149ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1150ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1152c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 115323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1154f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 1155dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1156c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1157c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1158bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1159bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1160d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1161bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 11625f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls; 1163bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1164d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 11655f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls) : 1166bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1167bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1168bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1169d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 1170a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P.Actions.ActOnObjCContainerStartDefinition(IDecl); 1171bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1172d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 117323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1174bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1175a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 1176a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P.Actions.ActOnObjCContainerFinishDefinition(IDecl); 11770bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 11780bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1179bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1180bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1181bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1182d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1183e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 11840b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1185bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1187df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1188ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1189ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1190ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1191ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1192ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1193ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1194ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 119560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 1196a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 1197a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnLastBitfield(RBraceLoc, AllIvarDecls); 1198a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(interfaceDecl); 11998749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 12008749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 120123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 1202beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad AllIvarDecls.data(), AllIvarDecls.size(), 12031bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 1204ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1206dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1207dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1210dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1211dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1216dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1217dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 12213536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1222dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1223d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 12247f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 1225861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 12267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 12277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1229083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 123023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 1231dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1232083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1233083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1234df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12357ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1236d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12377ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 12397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 12407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1242df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 12437caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 12447ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 12467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 12477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1249df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 12505f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolRefs; 12517caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 12527caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 12537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 12547ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 12557ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1256df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 12587ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1259d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12617caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 12627caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 12637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1265df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 12667ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 12677ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12687ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 12697ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1270d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1272e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1274bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 12757f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 12767caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12787ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 127971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 12807caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 12815f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 12825f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 12837caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 128471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 128571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1286d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1288d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1289e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1290beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1291beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 129218df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 12937f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 1294a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1295a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1296a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(ProtoType); 1297a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_protocol); 1298a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(ProtoType); 1299bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1300dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1301dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1302dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1303dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1304dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1305dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1306dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1307dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1308dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1309dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1310dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1311dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1312d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtImplementationDeclaration( 1313ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1314ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1315ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1316ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13183b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 13193b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 132023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 1321dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 13223b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 13233b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1324df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1325ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1326d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1327ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1328ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1329ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1330ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1333ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1334dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1336ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 133833ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 133923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 1340dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 134133ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 134233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1343df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1344ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1345ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1346ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1347ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1348d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1350df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1351ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1352ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1353d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1354ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1355ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1356d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplCatType = Actions.ActOnStartCategoryImplementation( 13571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 13588f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1359a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1360a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(ImplCatType); 1361a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 136263e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1363d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1364ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1365ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1366ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1367ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1368df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1369ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1370ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1371df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1372ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1373d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1374ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1375ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1376ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1377ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1378d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplClsType = Actions.ActOnStartClassImplementation( 1379cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1380ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 1383a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCClassInstanceVariables(ImplClsType, tok::objc_private, atLoc); 1384a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1385a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(ImplClsType); 1386a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 138763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1388d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 139060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1391d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1392ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1393ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1394d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result = ObjCImpDecl; 1395ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1396a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1397a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), atEnd); 1398a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(ObjCImpDecl); 1399d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCImpDecl = 0; 140063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1401a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 1402782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek else { 1403782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 140464089cece350472c04b420c497ae391443353325Fariborz Jahanian Diag(atEnd.getBegin(), diag::err_expected_implementation); 1405782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek } 1406a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1408e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 14093fe104154dd2e8ffb351142d74f308938b5c99bfFariborz JahanianParser::DeclGroupPtrTy Parser::FinishPendingObjCActions() { 14103fe104154dd2e8ffb351142d74f308938b5c99bfFariborz Jahanian Actions.DiagnoseUseOfUnimplementedSelectors(); 141163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 1412d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return Actions.ConvertDeclToDeclGroup(0); 1413d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImpDecl = PendingObjCImpDecl.pop_back_val(); 1414a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), SourceRange()); 1415a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(ImpDecl); 141663e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 141763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 141863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1419e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1420e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1421e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1422d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1423e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1424e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1425e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1426df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1427e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1428d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1429e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1430243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1431243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1432df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1433e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1434d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1435e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1436243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1437243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1438e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 1439e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor "@compatibility_alias"); 1440b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1441b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1444ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1445ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1446ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1447ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1448ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1449ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1450ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1451ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1452ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1453ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1454ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1455d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1456ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1457ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1458dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume synthesize 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1460b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1461322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1462a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 1463dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1464322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1465322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1466b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1467b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1468b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1469d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1470b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1471b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1472f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1473f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1474f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1475a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1476df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1477ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1478ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1479322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1480322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1481a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId); 1482dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1483322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1484322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1485df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1486ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1487ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1488ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1489f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1490a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1491ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1492a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, 1493a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1494df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1495ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1496ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1497ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1498e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@synthesize"); 1499d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1500ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1501ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1502ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1503ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1504ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1505ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1506ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1507ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1508ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1509d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1510ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1511ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1512dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume dynamic 1513424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1514424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1515a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 1516dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1517424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1518424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1519424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1520424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1521424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1522d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1523424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1524424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1525c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1526c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1527a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, 1528a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, 0, SourceLocation()); 1529c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1530df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1531ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1532ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1533ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1534e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@dynamic"); 1535d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1536ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1538397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1539397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1540397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 154160d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 154260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1543397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1544df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 154539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 15460e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1547397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 154843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1549397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1550397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 155102418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 155202418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 15539ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1554397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1555397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1556c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 155778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1558c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 155960d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 156043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1561fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1562fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 15631ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 156443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1565fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 156607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 156707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // The operand is surrounded with parentheses. 1568fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 156907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ExprResult operand(ParseExpression()); 157007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 157107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (Tok.is(tok::r_paren)) { 157207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ConsumeParen(); // ')' 157307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall } else { 157407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 157507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_rparen); 157607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 157707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Skip forward until we see a left brace, but don't consume it. 157807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall SkipUntil(tok::l_brace, true, true); 1579fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 158007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 158107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Require a compound statement. 158278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 158307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 158407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_lbrace); 158543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 158678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 15873ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 158807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Check the @synchronized operand now. 158907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 159007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall operand = Actions.ActOnObjCAtSynchronizedOperand(atLoc, operand.take()); 159107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 159207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Parse the compound statement within a new scope. 159307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ParseScope bodyScope(this, Scope::DeclScope); 159407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall StmtResult body(ParseCompoundStatementBody()); 159507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall bodyScope.Exit(); 159607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 159707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // If there was a semantic or parse error earlier with the 159807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // operand, fail now. 159907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (operand.isInvalid()) 160007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return StmtError(); 160107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 160207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (body.isInvalid()) 160307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall body = Actions.ActOnNullStmt(Tok.getLocation()); 16040e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 160507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, operand.get(), body.get()); 1606c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1607c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1608397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1609397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1610397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1611397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1612397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1613397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1614397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1615397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1616397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1617397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1618397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 161960d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1620397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 162143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1622397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1623df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 16241ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 162543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1626397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 16278f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor StmtVector CatchStmts(Actions); 162860d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 16298935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 163060d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 16318935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 16320e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1633bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1634a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1635df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 16366b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 16376b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 16386b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 16396b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 16406b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 16416b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 16426b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 16430e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1644161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1645cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1646d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 16473b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1648df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1649397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1650e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1651df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 16520b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1653397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 165417b6399f8461c5b7e1c6f367b0a0dde49f921240Argyrios Kyrtzidis Declarator ParmDecl(DS, Declarator::ObjCCatchContext); 16557ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 16567ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 16574e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 16587ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 165923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 166064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1661397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 16641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166593a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 166693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 166793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 166893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 166993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 167060d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1671c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1672c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1673c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1674c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 16750e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 16763b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 16778f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 167860d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 16798f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 16808f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 16819ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 16828f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 16838f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 16848f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 168564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 16861ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 16871ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 168843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1689397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1690397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 16916b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 16926b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 169364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 16948935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 16950e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 169660d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1697c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1698c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1699c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1700c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 17010e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1702161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 17030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 17049ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1705397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1706397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1707397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1708397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1709bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1710397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 171143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1712bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 17138f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 17149ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 17158f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor move_arg(CatchStmts), 17169ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1717397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1718ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1719f85e193739c953358c865005855253af4f68a497John McCall/// objc-autoreleasepool-statement: 1720f85e193739c953358c865005855253af4f68a497John McCall/// @autoreleasepool compound-statement 1721f85e193739c953358c865005855253af4f68a497John McCall/// 1722f85e193739c953358c865005855253af4f68a497John McCallStmtResult 1723f85e193739c953358c865005855253af4f68a497John McCallParser::ParseObjCAutoreleasePoolStmt(SourceLocation atLoc) { 1724f85e193739c953358c865005855253af4f68a497John McCall ConsumeToken(); // consume autoreleasepool 1725f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isNot(tok::l_brace)) { 1726f85e193739c953358c865005855253af4f68a497John McCall Diag(Tok, diag::err_expected_lbrace); 1727f85e193739c953358c865005855253af4f68a497John McCall return StmtError(); 1728f85e193739c953358c865005855253af4f68a497John McCall } 1729f85e193739c953358c865005855253af4f68a497John McCall // Enter a scope to hold everything within the compound stmt. Compound 1730f85e193739c953358c865005855253af4f68a497John McCall // statements can always hold declarations. 1731f85e193739c953358c865005855253af4f68a497John McCall ParseScope BodyScope(this, Scope::DeclScope); 1732f85e193739c953358c865005855253af4f68a497John McCall 1733f85e193739c953358c865005855253af4f68a497John McCall StmtResult AutoreleasePoolBody(ParseCompoundStatementBody()); 1734f85e193739c953358c865005855253af4f68a497John McCall 1735f85e193739c953358c865005855253af4f68a497John McCall BodyScope.Exit(); 1736f85e193739c953358c865005855253af4f68a497John McCall if (AutoreleasePoolBody.isInvalid()) 1737f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody = Actions.ActOnNullStmt(Tok.getLocation()); 1738f85e193739c953358c865005855253af4f68a497John McCall return Actions.ActOnObjCAutoreleasePoolStmt(atLoc, 1739f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody.take()); 1740f85e193739c953358c865005855253af4f68a497John McCall} 1741f85e193739c953358c865005855253af4f68a497John McCall 17423536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1743ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1744d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1745a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodPrototype(); 17461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1747f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1748f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 17491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1750ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1751209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1752496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1753496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1754849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1755496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1756ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1757209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1758ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1759409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1760df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1761da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1763409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1764409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 17651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1766409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1767409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1768d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1769ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1770409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 17711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1772409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 177315faee19fdb9017dd6d08a690427b18c3b062c2dChris Lattner ParseScope BodyScope(this, 177415faee19fdb9017dd6d08a690427b18c3b062c2dChris Lattner Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope); 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1776409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1777394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 177823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartOfObjCMethodDef(getCurScope(), MDecl); 177961364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1780c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor if (PP.isCodeCompletionEnabled()) { 1781c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor if (trySkippingFunctionBodyForCodeCompletion()) { 1782c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor BodyScope.Exit(); 1783b162054ba8f5b64fe87fbc4837933ab23eebd52bArgyrios Kyrtzidis return Actions.ActOnFinishFunctionBody(MDecl, 0); 1784c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor } 1785c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor } 17860fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis 178760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FnBody(ParseCompoundStatementBody()); 178861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1789409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 17900e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1791a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1792a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1793798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 1794409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 17958935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1796c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor 1797c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor // TODO: Pass argument information. 1798c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor Actions.ActOnFinishFunctionBody(MDecl, FnBody.take()); 179971c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 18005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18015508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 180260d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 18039a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 180423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 1805dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 18069a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 18075d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 18085d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 18095d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 18106b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 18115d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 18125d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 181364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 18145d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 18155d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 181664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1817f85e193739c953358c865005855253af4f68a497John McCall 1818f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isObjCAtKeyword(tok::objc_autoreleasepool)) 1819f85e193739c953358c865005855253af4f68a497John McCall return ParseObjCAutoreleasePoolStmt(AtLoc); 18205d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 182160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 18220e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 182364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 182464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 182564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 182664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 182743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 182864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 18295d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 183064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 18319ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 18329ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res.take())); 183364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 183464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 183560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 18365508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 18379a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 183823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 1839dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 18409a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 18419a0c85e640a08174569a303db22981612f05d385Douglas Gregor 1842b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1843b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 18441d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1845b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 18464fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 18471d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 18482f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 18494fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 18504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 18511d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 18524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 18531d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 18544fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 18551d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 18564fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 18571d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 18584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 18595508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 18605508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 18615508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 18626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brirg Parse the receiver of an Objective-C++ message send. 18636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 18656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 18666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 18676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 18686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 18706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 18726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 18736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 18746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 18766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 18776aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 18786aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18796aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 18806aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 18816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 18826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 18836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 18846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 18850fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 18860fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 18876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 18886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 18896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 18906aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!isCXXSimpleTypeSpecifier()) { 18926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 18936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 189460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 18956aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 18966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 18996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 19006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 19016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 19026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 19046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 19056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 19066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 19070b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 19086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 19096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 19116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 19126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 19136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 19146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 19156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 19166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 19176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 19186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 19196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 19206aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 19216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 19226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 192360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 19246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 19259ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 19266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 19279ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 19286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 19296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 19306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 19326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 19336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 19346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 19356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 19376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 19386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 19396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 194023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 19416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 19426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 19436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 1945b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 19466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 19476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 19486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19491b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 19501b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 19511b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 19521b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 19531b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 19541b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 1955c59cb38810c63a806270385f79ea84e0203754eaChris Lattner assert(Tok.is(tok::l_square) && getLang().ObjC1 && 19561b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 19571b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 19581b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 19591b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 19601b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 19619497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 19629497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!getLang().ObjC1 || !NextToken().is(tok::identifier) || 19639497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 19649497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19659497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19669497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19679497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 19689497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19699497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 19709497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 19719497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 19729497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 19739497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 19749497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 19759497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19769497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19779497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 19789497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 19799497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 19809497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 19819497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 19829497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19839497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 19849497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 19859497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 19869497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19879497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19889497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 19899497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 19910ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 19920ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 19932725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 1994eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 19950ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 19960ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 19970ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 19986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 199960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 2000699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 2001699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 2002699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 20038e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 200423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 20058e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor ConsumeCodeCompletionToken(); 20068e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor SkipUntil(tok::r_square); 20078e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 20088e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 20098e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 20100fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 20110fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 20126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (getLang().CPlusPlus) { 20136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 20146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 20156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 20176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 20186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 20196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 202023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 2021b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2022b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 20236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 20256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 2026304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 20276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 20286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 20296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 20306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 20316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 2033b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2034b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 20359ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 20366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2038b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 2039b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 2040c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 2041c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 2042c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 20431dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 20441dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 2045b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 204623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 20471dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 20481569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 20491569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 2050f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 2051b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2052b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 20532725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 2054f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 20551569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 20562725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 20572725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 20582725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 20592725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 20601569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 20611569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 20621569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 20639ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 20641dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 2065f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 20662725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 20671dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2068d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2069699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2070eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2071eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 207260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 20730e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 20745c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 20751d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 2076699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 20771d922960e083906a586609ac6978678147250177Sebastian Redl 2078b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2079b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2080699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 20811d922960e083906a586609ac6978678147250177Sebastian Redl 20822725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 20832725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 20842725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20852725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 20862725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 20872725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 20882725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 20892725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 20902725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20912725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 20922725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20932725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 20942725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 20952725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20962725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 20972725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 20982725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20992725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 21002725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 21011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 21020ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 21030ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 21040ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 21050ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21060ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 21070ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 21080ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 21090ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 21110ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 21120ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21130ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 21140ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 21150ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21160ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 21170ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 21180ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 21191d922960e083906a586609ac6978678147250177Sebastian Redl/// 212060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2121699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 21222725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2123b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 21241d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 21250fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 21260fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2127c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 21282725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 212970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 0, 0, 213070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 21312725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 213270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 0, 0, 213370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2134c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 21359ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 213670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 0, 0, false); 2137dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 2138c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2139d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2140a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 21414b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 21422fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 214368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2144ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 21451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21465f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2147a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 214868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2149df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2150a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2151a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 215268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 215337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2154df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2155a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 21564fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21574fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21601d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2161a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 21621d922960e083906a586609ac6978678147250177Sebastian Redl 216368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 21641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 216570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 216670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 216770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 216870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 216970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 217070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 217170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 217270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 217370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 217470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 217570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 217670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 217770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 217870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 217970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 218070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 218170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 218270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 218370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor ConsumeCodeCompletionToken(); 218470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor SkipUntil(tok::r_square); 218570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 218670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 218770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 218860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 21890e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 21904fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21934fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21941d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 219537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 21961d922960e083906a586609ac6978678147250177Sebastian Redl 219737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2198effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 21991d922960e083906a586609ac6978678147250177Sebastian Redl 2200d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2201d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 22022725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 220323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 22042725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor KeyIdents.data(), 220570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 220670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 22072725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 220823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2209d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 221070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 221170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2212d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 22139ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2214d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 221570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 221670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2217dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 221870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor SkipUntil(tok::r_square); 221970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2220d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2221d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 222237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 22232fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2224df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2225a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2226a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2227a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2228a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2229df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 223049f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 22311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 223260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 22330e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 22344fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22354fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22364fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22374fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22381d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 223949f109c786f99eb7468dac3976db083a65493444Steve Naroff } 22400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 224149f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2242effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2243a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2244a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2245a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 22461d922960e083906a586609ac6978678147250177Sebastian Redl 22474fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22484fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22494fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22511d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2252a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2253809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2254df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2255809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2256809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2257809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2258809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 22594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22604fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22614fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22624fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22631d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2264a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 22651d922960e083906a586609ac6978678147250177Sebastian Redl 2266699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 22671d922960e083906a586609ac6978678147250177Sebastian Redl 226829238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2269ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 2270ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2271ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 22721d922960e083906a586609ac6978678147250177Sebastian Redl 22732725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 227423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 22752725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2276f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2277f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2278f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22792725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 228023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 22812725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2282f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2283f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2284f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22859ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 22862725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2287f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2288f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2289f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22900ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 22910ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 229260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 229360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 22941d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 22951d922960e083906a586609ac6978678147250177Sebastian Redl 2296b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2297b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2298b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 22995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 4> AtLocs; 2300a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 2301b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2302effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 23030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2304b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2305b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2306b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 230715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 230897cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 230997cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2310b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 231160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 23120e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 23131d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 23140e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2315effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2316b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 23171d922960e083906a586609ac6978678147250177Sebastian Redl 23181d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 23191d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 23205508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2321f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2322f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2323f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 232460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 23251d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2326861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 23271d922960e083906a586609ac6978678147250177Sebastian Redl 2328f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 23291d922960e083906a586609ac6978678147250177Sebastian Redl 23304fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23311d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 23321d922960e083906a586609ac6978678147250177Sebastian Redl 2333f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 23341d922960e083906a586609ac6978678147250177Sebastian Redl 2335809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 23361d922960e083906a586609ac6978678147250177Sebastian Redl 23374988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 23381d922960e083906a586609ac6978678147250177Sebastian Redl 2339809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2340809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2341809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 23421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 2343809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 2344f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 234529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 234629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 234729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 234860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 23491d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 235029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 23511d922960e083906a586609ac6978678147250177Sebastian Redl 23524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23531d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 23541d922960e083906a586609ac6978678147250177Sebastian Redl 235529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 23561d922960e083906a586609ac6978678147250177Sebastian Redl 23574fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 23581d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 23591d922960e083906a586609ac6978678147250177Sebastian Redl 2360390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 236129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 23621d922960e083906a586609ac6978678147250177Sebastian Redl 23634988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 236429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 23651d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 23661d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 236729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2368a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2369a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2370a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 237160d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2372a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 23731d922960e083906a586609ac6978678147250177Sebastian Redl 23744fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23751d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 23761d922960e083906a586609ac6978678147250177Sebastian Redl 23775f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2378a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 2379a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2380458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2381458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2382458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2383458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 2384458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor ConsumeCodeCompletionToken(); 2385458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor MatchRHSPunctuation(tok::r_paren, LParenLoc); 2386458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2387458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2388458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 23892fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 23905add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 23915add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 23921d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 23931d922960e083906a586609ac6978678147250177Sebastian Redl 2394b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2395887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2396887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2397a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 23985add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 23995add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 24005add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 24015add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 24021d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 24031d922960e083906a586609ac6978678147250177Sebastian Redl 24045add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 24053b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner ConsumeToken(); // Eat the ':' or '::'. 2406a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2407a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2408458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2409458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2410458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2411458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 2412458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor ConsumeCodeCompletionToken(); 2413458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor MatchRHSPunctuation(tok::r_paren, LParenLoc); 2414458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2415458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2416458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2417a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2418a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 24192fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2420b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 24213b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner if (!SelIdent && Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2422a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2423a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2424887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 2425a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 2426887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 24271d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 24281d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 242958065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2430