diff options
| -rw-r--r-- | clang/include/clang/Basic/DiagnosticSemaKinds.td | 3 | ||||
| -rw-r--r-- | clang/include/clang/Basic/IdentifierTable.h | 1 | ||||
| -rw-r--r-- | clang/include/clang/Sema/Sema.h | 3 | ||||
| -rw-r--r-- | clang/lib/AST/DeclObjC.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Analysis/CocoaConventions.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Basic/IdentifierTable.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Sema/Sema.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 6 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaDeclObjC.cpp | 10 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaExprObjC.cpp | 4 | ||||
| -rw-r--r-- | clang/test/SemaObjC/warn-missing-super.m | 20 | 
11 files changed, 45 insertions, 6 deletions
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td index d5b3ac3ac32..7bf2dc4d9cf 100644 --- a/clang/include/clang/Basic/DiagnosticSemaKinds.td +++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td @@ -573,6 +573,9 @@ def warn_objc_property_attr_mutually_exclusive : Warning<  def warn_objc_missing_super_dealloc : Warning<    "method possibly missing a [super dealloc] call">,    InGroup<ObjCMissingSuperCalls>; +def warn_objc_missing_super_finalize : Warning< +  "method possibly missing a [super finalize] call">, +  InGroup<ObjCMissingSuperCalls>;  def warn_undeclared_selector : Warning<    "undeclared selector %0">, InGroup<UndeclaredSelector>, DefaultIgnore;  def warn_implicit_atomic_property : Warning< diff --git a/clang/include/clang/Basic/IdentifierTable.h b/clang/include/clang/Basic/IdentifierTable.h index 017af5caee0..bd0b539d209 100644 --- a/clang/include/clang/Basic/IdentifierTable.h +++ b/clang/include/clang/Basic/IdentifierTable.h @@ -487,6 +487,7 @@ enum ObjCMethodFamily {    // selector with the given name.    OMF_autorelease,    OMF_dealloc, +  OMF_finalize,    OMF_release,    OMF_retain,    OMF_retainCount, diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h index 299480399b3..f6d5edc4e48 100644 --- a/clang/include/clang/Sema/Sema.h +++ b/clang/include/clang/Sema/Sema.h @@ -493,6 +493,9 @@ public:    /// A flag that is set when parsing a -dealloc method and no [super dealloc]    /// call was found yet.    bool ObjCShouldCallSuperDealloc; +  /// A flag that is set when parsing a -finalize method and no [super finalize] +  /// call was found yet. +  bool ObjCShouldCallSuperFinalize;    /// \brief The set of declarations that have been referenced within    /// a potentially evaluated expression. diff --git a/clang/lib/AST/DeclObjC.cpp b/clang/lib/AST/DeclObjC.cpp index 367e6a66a43..09638fefbd3 100644 --- a/clang/lib/AST/DeclObjC.cpp +++ b/clang/lib/AST/DeclObjC.cpp @@ -446,6 +446,7 @@ ObjCMethodFamily ObjCMethodDecl::getMethodFamily() const {    // These selectors have a conventional meaning only for instance methods.    case OMF_dealloc: +  case OMF_finalize:    case OMF_retain:    case OMF_release:    case OMF_autorelease: diff --git a/clang/lib/Analysis/CocoaConventions.cpp b/clang/lib/Analysis/CocoaConventions.cpp index ea60f26e22a..3926ce55aa2 100644 --- a/clang/lib/Analysis/CocoaConventions.cpp +++ b/clang/lib/Analysis/CocoaConventions.cpp @@ -40,6 +40,7 @@ cocoa::NamingConvention cocoa::deriveNamingConvention(Selector S,    case OMF_None:    case OMF_autorelease:    case OMF_dealloc: +  case OMF_finalize:    case OMF_release:    case OMF_retain:    case OMF_retainCount: diff --git a/clang/lib/Basic/IdentifierTable.cpp b/clang/lib/Basic/IdentifierTable.cpp index edf2e99a518..792b0c9c617 100644 --- a/clang/lib/Basic/IdentifierTable.cpp +++ b/clang/lib/Basic/IdentifierTable.cpp @@ -392,6 +392,7 @@ ObjCMethodFamily Selector::getMethodFamilyImpl(Selector sel) {    if (sel.isUnarySelector()) {      if (name == "autorelease") return OMF_autorelease;      if (name == "dealloc") return OMF_dealloc; +    if (name == "finalize") return OMF_finalize;      if (name == "release") return OMF_release;      if (name == "retain") return OMF_retain;      if (name == "retainCount") return OMF_retainCount; diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp index d3ace9dc69e..7bd0a4a3308 100644 --- a/clang/lib/Sema/Sema.cpp +++ b/clang/lib/Sema/Sema.cpp @@ -85,6 +85,7 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,      IdResolver(pp.getLangOptions()), CXXTypeInfoDecl(0), MSVCGuidDecl(0),      GlobalNewDeleteDeclared(false),       ObjCShouldCallSuperDealloc(false), +    ObjCShouldCallSuperFinalize(false),      TUKind(TUKind),      NumSFINAEErrors(0), SuppressAccessChecking(false),       AccessCheckingSFINAE(false), InNonInstantiationSFINAEContext(false), diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 8f08af4778b..2f2ba7f8e6d 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -6674,12 +6674,18 @@ Decl *Sema::ActOnFinishFunctionBody(Decl *dcl, Stmt *Body,        Diag(MD->getLocEnd(), diag::warn_objc_missing_super_dealloc);        ObjCShouldCallSuperDealloc = false;      } +    if (ObjCShouldCallSuperFinalize) { +      Diag(MD->getLocEnd(), diag::warn_objc_missing_super_finalize); +      ObjCShouldCallSuperFinalize = false; +    }    } else {      return 0;    }    assert(!ObjCShouldCallSuperDealloc && "This should only be set for "           "ObjC methods, which should have been handled in the block above."); +  assert(!ObjCShouldCallSuperFinalize && "This should only be set for " +         "ObjC methods, which should have been handled in the block above.");    // Verify and clean out per-function state.    if (Body) { diff --git a/clang/lib/Sema/SemaDeclObjC.cpp b/clang/lib/Sema/SemaDeclObjC.cpp index c7d3590fb85..9b6166bc5b2 100644 --- a/clang/lib/Sema/SemaDeclObjC.cpp +++ b/clang/lib/Sema/SemaDeclObjC.cpp @@ -162,6 +162,7 @@ static bool CheckARCMethodDecl(Sema &S, ObjCMethodDecl *method) {    switch (family) {    case OMF_None:    case OMF_dealloc: +  case OMF_finalize:    case OMF_retain:    case OMF_release:    case OMF_autorelease: @@ -267,6 +268,7 @@ void Sema::ActOnStartOfObjCMethodDef(Scope *FnBodyScope, Decl *D) {      case OMF_None:      case OMF_dealloc: +    case OMF_finalize:      case OMF_alloc:      case OMF_init:      case OMF_mutableCopy: @@ -287,14 +289,16 @@ void Sema::ActOnStartOfObjCMethodDef(Scope *FnBodyScope, Decl *D) {                                            dyn_cast<NamedDecl>(IMD),                                             MDecl->getLocation(), 0); -    // If this is "dealloc", set some bit here. +    // If this is "dealloc" or "finalize", set some bit here.      // Then in ActOnSuperMessage() (SemaExprObjC), set it back to false.      // Finally, in ActOnFinishFunctionBody() (SemaDecl), warn if flag is set.      // Only do this if the current class actually has a superclass. -    if (IC->getSuperClass()) +    if (IC->getSuperClass()) {        ObjCShouldCallSuperDealloc =           !Context.getLangOptions().ObjCAutoRefCount &&                MDecl->getMethodFamily() == OMF_dealloc; +      ObjCShouldCallSuperFinalize = MDecl->getMethodFamily() == OMF_finalize; +    }    }  } @@ -1256,6 +1260,7 @@ static bool checkMethodFamilyMismatch(Sema &S, ObjCMethodDecl *impl,    case OMF_release:    case OMF_autorelease:    case OMF_dealloc: +  case OMF_finalize:    case OMF_retainCount:    case OMF_self:    case OMF_performSelector: @@ -2637,6 +2642,7 @@ Decl *Sema::ActOnMethodDeclaration(      case OMF_None:      case OMF_copy:      case OMF_dealloc: +    case OMF_finalize:      case OMF_mutableCopy:      case OMF_release:      case OMF_retainCount: diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp index db5de4ca9c0..402e54c0e80 100644 --- a/clang/lib/Sema/SemaExprObjC.cpp +++ b/clang/lib/Sema/SemaExprObjC.cpp @@ -203,6 +203,7 @@ ExprResult Sema::ParseObjCSelectorExpression(Selector Sel,      case OMF_None:      case OMF_alloc:      case OMF_copy: +    case OMF_finalize:      case OMF_init:      case OMF_mutableCopy:      case OMF_new: @@ -977,6 +978,8 @@ ExprResult Sema::ActOnSuperMessage(Scope *S,    if (Method->isInstanceMethod()) {      if (Sel.getMethodFamily() == OMF_dealloc)        ObjCShouldCallSuperDealloc = false; +    if (Sel.getMethodFamily() == OMF_finalize) +      ObjCShouldCallSuperFinalize = false;      // Since we are in an instance method, this is an instance      // message to the superclass instance. @@ -1418,6 +1421,7 @@ ExprResult Sema::BuildInstanceMessage(Expr *Receiver,      case OMF_None:      case OMF_alloc:      case OMF_copy: +    case OMF_finalize:      case OMF_mutableCopy:      case OMF_new:      case OMF_self: diff --git a/clang/test/SemaObjC/warn-missing-super.m b/clang/test/SemaObjC/warn-missing-super.m index 19c6b62577e..ff0c415872f 100644 --- a/clang/test/SemaObjC/warn-missing-super.m +++ b/clang/test/SemaObjC/warn-missing-super.m @@ -8,31 +8,43 @@  - (void)dealloc {    // Root class, shouldn't warn  } +- (void)finalize { +  // Root class, shouldn't warn +}  @end  @interface Subclass1 : NSObject  - (void)dealloc; +- (void)finalize;  @end  @implementation Subclass1  - (void)dealloc {  } +- (void)finalize { +}  @end  @interface Subclass2 : NSObject  - (void)dealloc; +- (void)finalize;  @end  @implementation Subclass2  - (void)dealloc {    [super dealloc];  // Shouldn't warn  } +- (void)finalize { +  [super finalize];  // Shouldn't warn +}  @end  // RUN: %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck %s -// CHECK: warn-missing-super.m:19:1: warning: method possibly missing a [super dealloc] call -// CHECK: 1 warning generated. +// CHECK: warn-missing-super.m:23:1: warning: method possibly missing a [super dealloc] call +// CHECK: warn-missing-super.m:25:1: warning: method possibly missing a [super finalize] call +// CHECK: 2 warnings generated.  // RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fobjc-arc %s 2>&1 | FileCheck --check-prefix=CHECK-ARC %s -// CHECK-ARC: warn-missing-super.m:28:4: error: ARC forbids explicit message send of 'dealloc' -// CHECK-ARC: 1 error generated. +// CHECK-ARC: warn-missing-super.m:25:1: warning: method possibly missing a [super finalize] call +// CHECK-ARC: warn-missing-super.m:35:4: error: ARC forbids explicit message send of 'dealloc' +// CHECK-ARC: 1 warning and 1 error generated.  | 

