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-rw-r--r--include/clang/AST/DeclObjC.h504
1 files changed, 352 insertions, 152 deletions
diff --git a/include/clang/AST/DeclObjC.h b/include/clang/AST/DeclObjC.h
index 2e760d658e43..db3b0849382a 100644
--- a/include/clang/AST/DeclObjC.h
+++ b/include/clang/AST/DeclObjC.h
@@ -41,7 +41,7 @@ protected:
unsigned NumElts;
public:
- ObjCListBase() : List(0), NumElts(0) {}
+ ObjCListBase() : List(nullptr), NumElts(0) {}
unsigned size() const { return NumElts; }
bool empty() const { return NumElts == 0; }
@@ -79,7 +79,7 @@ class ObjCProtocolList : public ObjCList<ObjCProtocolDecl> {
using ObjCList<ObjCProtocolDecl>::set;
public:
- ObjCProtocolList() : ObjCList<ObjCProtocolDecl>(), Locations(0) { }
+ ObjCProtocolList() : ObjCList<ObjCProtocolDecl>(), Locations(nullptr) { }
typedef const SourceLocation *loc_iterator;
loc_iterator loc_begin() const { return Locations; }
@@ -162,11 +162,11 @@ private:
/// \brief Indicates if the method was a definition but its body was skipped.
unsigned HasSkippedBody : 1;
- // Result type of this method.
+ // Return type of this method.
QualType MethodDeclType;
- // Type source information for the result type.
- TypeSourceInfo *ResultTInfo;
+ // Type source information for the return type.
+ TypeSourceInfo *ReturnTInfo;
/// \brief Array of ParmVarDecls for the formal parameters of this method
/// and optionally followed by selector locations.
@@ -224,54 +224,44 @@ private:
ArrayRef<SourceLocation> SelLocs);
ObjCMethodDecl(SourceLocation beginLoc, SourceLocation endLoc,
- Selector SelInfo, QualType T,
- TypeSourceInfo *ResultTInfo,
- DeclContext *contextDecl,
- bool isInstance = true,
- bool isVariadic = false,
- bool isPropertyAccessor = false,
- bool isImplicitlyDeclared = false,
- bool isDefined = false,
+ Selector SelInfo, QualType T, TypeSourceInfo *ReturnTInfo,
+ DeclContext *contextDecl, bool isInstance = true,
+ bool isVariadic = false, bool isPropertyAccessor = false,
+ bool isImplicitlyDeclared = false, bool isDefined = false,
ImplementationControl impControl = None,
bool HasRelatedResultType = false)
- : NamedDecl(ObjCMethod, contextDecl, beginLoc, SelInfo),
- DeclContext(ObjCMethod), Family(InvalidObjCMethodFamily),
- IsInstance(isInstance), IsVariadic(isVariadic),
- IsPropertyAccessor(isPropertyAccessor),
- IsDefined(isDefined), IsRedeclaration(0), HasRedeclaration(0),
- DeclImplementation(impControl), objcDeclQualifier(OBJC_TQ_None),
- RelatedResultType(HasRelatedResultType),
- SelLocsKind(SelLoc_StandardNoSpace), IsOverriding(0), HasSkippedBody(0),
- MethodDeclType(T), ResultTInfo(ResultTInfo),
- ParamsAndSelLocs(0), NumParams(0),
- DeclEndLoc(endLoc), Body(), SelfDecl(0), CmdDecl(0) {
+ : NamedDecl(ObjCMethod, contextDecl, beginLoc, SelInfo),
+ DeclContext(ObjCMethod), Family(InvalidObjCMethodFamily),
+ IsInstance(isInstance), IsVariadic(isVariadic),
+ IsPropertyAccessor(isPropertyAccessor), IsDefined(isDefined),
+ IsRedeclaration(0), HasRedeclaration(0), DeclImplementation(impControl),
+ objcDeclQualifier(OBJC_TQ_None),
+ RelatedResultType(HasRelatedResultType),
+ SelLocsKind(SelLoc_StandardNoSpace), IsOverriding(0), HasSkippedBody(0),
+ MethodDeclType(T), ReturnTInfo(ReturnTInfo), ParamsAndSelLocs(nullptr),
+ NumParams(0), DeclEndLoc(endLoc), Body(), SelfDecl(nullptr),
+ CmdDecl(nullptr) {
setImplicit(isImplicitlyDeclared);
}
/// \brief A definition will return its interface declaration.
/// An interface declaration will return its definition.
/// Otherwise it will return itself.
- virtual ObjCMethodDecl *getNextRedeclaration();
+ ObjCMethodDecl *getNextRedeclarationImpl() override;
public:
- static ObjCMethodDecl *Create(ASTContext &C,
- SourceLocation beginLoc,
- SourceLocation endLoc,
- Selector SelInfo,
- QualType T,
- TypeSourceInfo *ResultTInfo,
- DeclContext *contextDecl,
- bool isInstance = true,
- bool isVariadic = false,
- bool isPropertyAccessor = false,
- bool isImplicitlyDeclared = false,
- bool isDefined = false,
- ImplementationControl impControl = None,
- bool HasRelatedResultType = false);
+ static ObjCMethodDecl *
+ Create(ASTContext &C, SourceLocation beginLoc, SourceLocation endLoc,
+ Selector SelInfo, QualType T, TypeSourceInfo *ReturnTInfo,
+ DeclContext *contextDecl, bool isInstance = true,
+ bool isVariadic = false, bool isPropertyAccessor = false,
+ bool isImplicitlyDeclared = false, bool isDefined = false,
+ ImplementationControl impControl = None,
+ bool HasRelatedResultType = false);
static ObjCMethodDecl *CreateDeserialized(ASTContext &C, unsigned ID);
-
- virtual ObjCMethodDecl *getCanonicalDecl();
+
+ ObjCMethodDecl *getCanonicalDecl() override;
const ObjCMethodDecl *getCanonicalDecl() const {
return const_cast<ObjCMethodDecl*>(this)->getCanonicalDecl();
}
@@ -300,7 +290,7 @@ public:
// Location information, modeled after the Stmt API.
SourceLocation getLocStart() const LLVM_READONLY { return getLocation(); }
SourceLocation getLocEnd() const LLVM_READONLY;
- virtual SourceRange getSourceRange() const LLVM_READONLY {
+ SourceRange getSourceRange() const override LLVM_READONLY {
return SourceRange(getLocation(), getLocEnd());
}
@@ -314,8 +304,7 @@ public:
if (hasStandardSelLocs())
return getStandardSelectorLoc(Index, getSelector(),
getSelLocsKind() == SelLoc_StandardWithSpace,
- llvm::makeArrayRef(const_cast<ParmVarDecl**>(getParams()),
- NumParams),
+ parameters(),
DeclEndLoc);
return getStoredSelLocs()[Index];
}
@@ -338,32 +327,52 @@ public:
Selector getSelector() const { return getDeclName().getObjCSelector(); }
- QualType getResultType() const { return MethodDeclType; }
- void setResultType(QualType T) { MethodDeclType = T; }
+ QualType getReturnType() const { return MethodDeclType; }
+ void setReturnType(QualType T) { MethodDeclType = T; }
/// \brief Determine the type of an expression that sends a message to this
/// function.
QualType getSendResultType() const {
- return getResultType().getNonLValueExprType(getASTContext());
+ return getReturnType().getNonLValueExprType(getASTContext());
}
- TypeSourceInfo *getResultTypeSourceInfo() const { return ResultTInfo; }
- void setResultTypeSourceInfo(TypeSourceInfo *TInfo) { ResultTInfo = TInfo; }
+ TypeSourceInfo *getReturnTypeSourceInfo() const { return ReturnTInfo; }
+ void setReturnTypeSourceInfo(TypeSourceInfo *TInfo) { ReturnTInfo = TInfo; }
// Iterator access to formal parameters.
unsigned param_size() const { return NumParams; }
typedef const ParmVarDecl *const *param_const_iterator;
typedef ParmVarDecl *const *param_iterator;
- param_const_iterator param_begin() const { return getParams(); }
- param_const_iterator param_end() const { return getParams() + NumParams; }
- param_iterator param_begin() { return getParams(); }
- param_iterator param_end() { return getParams() + NumParams; }
+ typedef llvm::iterator_range<param_iterator> param_range;
+ typedef llvm::iterator_range<param_const_iterator> param_const_range;
+
+ param_range params() { return param_range(param_begin(), param_end()); }
+ param_const_range params() const {
+ return param_const_range(param_begin(), param_end());
+ }
+
+ param_const_iterator param_begin() const {
+ return param_const_iterator(getParams());
+ }
+ param_const_iterator param_end() const {
+ return param_const_iterator(getParams() + NumParams);
+ }
+ param_iterator param_begin() { return param_iterator(getParams()); }
+ param_iterator param_end() { return param_iterator(getParams() + NumParams); }
+
// This method returns and of the parameters which are part of the selector
// name mangling requirements.
param_const_iterator sel_param_end() const {
return param_begin() + getSelector().getNumArgs();
}
+ // ArrayRef access to formal parameters. This should eventually
+ // replace the iterator interface above.
+ ArrayRef<ParmVarDecl*> parameters() const {
+ return llvm::makeArrayRef(const_cast<ParmVarDecl**>(getParams()),
+ NumParams);
+ }
+
/// \brief Sets the method's parameters and selector source locations.
/// If the method is implicit (not coming from source) \p SelLocs is
/// ignored.
@@ -375,12 +384,12 @@ public:
// Iterator access to parameter types.
typedef std::const_mem_fun_t<QualType, ParmVarDecl> deref_fun;
typedef llvm::mapped_iterator<param_const_iterator, deref_fun>
- arg_type_iterator;
+ param_type_iterator;
- arg_type_iterator arg_type_begin() const {
+ param_type_iterator param_type_begin() const {
return llvm::map_iterator(param_begin(), deref_fun(&ParmVarDecl::getType));
}
- arg_type_iterator arg_type_end() const {
+ param_type_iterator param_type_end() const {
return llvm::map_iterator(param_end(), deref_fun(&ParmVarDecl::getType));
}
@@ -451,11 +460,24 @@ public:
return ImplementationControl(DeclImplementation);
}
+ /// Returns true if this specific method declaration is marked with the
+ /// designated initializer attribute.
+ bool isThisDeclarationADesignatedInitializer() const;
+
+ /// Returns true if the method selector resolves to a designated initializer
+ /// in the class's interface.
+ ///
+ /// \param InitMethod if non-null and the function returns true, it receives
+ /// the method declaration that was marked with the designated initializer
+ /// attribute.
+ bool isDesignatedInitializerForTheInterface(
+ const ObjCMethodDecl **InitMethod = nullptr) const;
+
/// \brief Determine whether this method has a body.
- virtual bool hasBody() const { return Body.isValid(); }
+ bool hasBody() const override { return Body.isValid(); }
/// \brief Retrieve the body of this method, if it has one.
- virtual Stmt *getBody() const;
+ Stmt *getBody() const override;
void setLazyBody(uint64_t Offset) { Body = Offset; }
@@ -484,7 +506,7 @@ public:
/// ObjCProtocolDecl, and ObjCImplDecl.
///
class ObjCContainerDecl : public NamedDecl, public DeclContext {
- virtual void anchor();
+ void anchor() override;
SourceLocation AtStart;
@@ -500,6 +522,10 @@ public:
// Iterator access to properties.
typedef specific_decl_iterator<ObjCPropertyDecl> prop_iterator;
+ typedef llvm::iterator_range<specific_decl_iterator<ObjCPropertyDecl>>
+ prop_range;
+
+ prop_range properties() const { return prop_range(prop_begin(), prop_end()); }
prop_iterator prop_begin() const {
return prop_iterator(decls_begin());
}
@@ -509,6 +535,12 @@ public:
// Iterator access to instance/class methods.
typedef specific_decl_iterator<ObjCMethodDecl> method_iterator;
+ typedef llvm::iterator_range<specific_decl_iterator<ObjCMethodDecl>>
+ method_range;
+
+ method_range methods() const {
+ return method_range(meth_begin(), meth_end());
+ }
method_iterator meth_begin() const {
return method_iterator(decls_begin());
}
@@ -519,6 +551,11 @@ public:
typedef filtered_decl_iterator<ObjCMethodDecl,
&ObjCMethodDecl::isInstanceMethod>
instmeth_iterator;
+ typedef llvm::iterator_range<instmeth_iterator> instmeth_range;
+
+ instmeth_range instance_methods() const {
+ return instmeth_range(instmeth_begin(), instmeth_end());
+ }
instmeth_iterator instmeth_begin() const {
return instmeth_iterator(decls_begin());
}
@@ -529,6 +566,11 @@ public:
typedef filtered_decl_iterator<ObjCMethodDecl,
&ObjCMethodDecl::isClassMethod>
classmeth_iterator;
+ typedef llvm::iterator_range<classmeth_iterator> classmeth_range;
+
+ classmeth_range class_methods() const {
+ return classmeth_range(classmeth_begin(), classmeth_end());
+ }
classmeth_iterator classmeth_begin() const {
return classmeth_iterator(decls_begin());
}
@@ -575,7 +617,7 @@ public:
AtEnd = atEnd;
}
- virtual SourceRange getSourceRange() const LLVM_READONLY {
+ SourceRange getSourceRange() const override LLVM_READONLY {
return SourceRange(AtStart, getAtEndRange().getEnd());
}
@@ -621,7 +663,7 @@ public:
///
class ObjCInterfaceDecl : public ObjCContainerDecl
, public Redeclarable<ObjCInterfaceDecl> {
- virtual void anchor();
+ void anchor() override;
/// TypeForDecl - This indicates the Type object that represents this
/// TypeDecl. It is a cache maintained by ASTContext::getObjCInterfaceType
@@ -661,6 +703,22 @@ class ObjCInterfaceDecl : public ObjCContainerDecl
/// declared in the implementation.
mutable bool IvarListMissingImplementation : 1;
+ /// Indicates that this interface decl contains at least one initializer
+ /// marked with the 'objc_designated_initializer' attribute.
+ bool HasDesignatedInitializers : 1;
+
+ enum InheritedDesignatedInitializersState {
+ /// We didn't calculate whether the designated initializers should be
+ /// inherited or not.
+ IDI_Unknown = 0,
+ /// Designated initializers are inherited for the super class.
+ IDI_Inherited = 1,
+ /// The class does not inherit designated initializers.
+ IDI_NotInherited = 2
+ };
+ /// One of the \c InheritedDesignatedInitializersState enumeratos.
+ mutable unsigned InheritedDesignatedInitializers : 2;
+
/// \brief The location of the superclass, if any.
SourceLocation SuperClassLoc;
@@ -671,12 +729,14 @@ class ObjCInterfaceDecl : public ObjCContainerDecl
DefinitionData() : Definition(), SuperClass(), CategoryList(), IvarList(),
ExternallyCompleted(),
- IvarListMissingImplementation(true) { }
+ IvarListMissingImplementation(true),
+ HasDesignatedInitializers(),
+ InheritedDesignatedInitializers(IDI_Unknown) { }
};
- ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id,
- SourceLocation CLoc, ObjCInterfaceDecl *PrevDecl,
- bool isInternal);
+ ObjCInterfaceDecl(const ASTContext &C, DeclContext *DC, SourceLocation AtLoc,
+ IdentifierInfo *Id, SourceLocation CLoc,
+ ObjCInterfaceDecl *PrevDecl, bool IsInternal);
void LoadExternalDefinition() const;
@@ -696,13 +756,13 @@ class ObjCInterfaceDecl : public ObjCContainerDecl
void allocateDefinitionData();
typedef Redeclarable<ObjCInterfaceDecl> redeclarable_base;
- virtual ObjCInterfaceDecl *getNextRedeclaration() {
- return RedeclLink.getNext();
+ ObjCInterfaceDecl *getNextRedeclarationImpl() override {
+ return getNextRedeclaration();
}
- virtual ObjCInterfaceDecl *getPreviousDeclImpl() {
+ ObjCInterfaceDecl *getPreviousDeclImpl() override {
return getPreviousDecl();
}
- virtual ObjCInterfaceDecl *getMostRecentDeclImpl() {
+ ObjCInterfaceDecl *getMostRecentDeclImpl() override {
return getMostRecentDecl();
}
@@ -714,9 +774,9 @@ public:
SourceLocation ClassLoc = SourceLocation(),
bool isInternal = false);
- static ObjCInterfaceDecl *CreateDeserialized(ASTContext &C, unsigned ID);
+ static ObjCInterfaceDecl *CreateDeserialized(const ASTContext &C, unsigned ID);
- virtual SourceRange getSourceRange() const LLVM_READONLY {
+ SourceRange getSourceRange() const override LLVM_READONLY {
if (isThisDeclarationADefinition())
return ObjCContainerDecl::getSourceRange();
@@ -728,6 +788,20 @@ public:
/// when a complete class is required.
void setExternallyCompleted();
+ /// Indicate that this interface decl contains at least one initializer
+ /// marked with the 'objc_designated_initializer' attribute.
+ void setHasDesignatedInitializers();
+
+ /// Returns true if this interface decl contains at least one initializer
+ /// marked with the 'objc_designated_initializer' attribute.
+ bool hasDesignatedInitializers() const;
+
+ /// Returns true if this interface decl declares a designated initializer
+ /// or it inherites one from its super class.
+ bool declaresOrInheritsDesignatedInitializers() const {
+ return hasDesignatedInitializers() || inheritsDesignatedInitializers();
+ }
+
const ObjCProtocolList &getReferencedProtocols() const {
assert(hasDefinition() && "Caller did not check for forward reference!");
if (data().ExternallyCompleted)
@@ -750,7 +824,11 @@ public:
}
typedef ObjCProtocolList::iterator protocol_iterator;
+ typedef llvm::iterator_range<protocol_iterator> protocol_range;
+ protocol_range protocols() const {
+ return protocol_range(protocol_begin(), protocol_end());
+ }
protocol_iterator protocol_begin() const {
// FIXME: Should make sure no callers ever do this.
if (!hasDefinition())
@@ -773,7 +851,11 @@ public:
}
typedef ObjCProtocolList::loc_iterator protocol_loc_iterator;
+ typedef llvm::iterator_range<protocol_loc_iterator> protocol_loc_range;
+ protocol_loc_range protocol_locs() const {
+ return protocol_loc_range(protocol_loc_begin(), protocol_loc_end());
+ }
protocol_loc_iterator protocol_loc_begin() const {
// FIXME: Should make sure no callers ever do this.
if (!hasDefinition())
@@ -797,7 +879,12 @@ public:
}
typedef ObjCList<ObjCProtocolDecl>::iterator all_protocol_iterator;
+ typedef llvm::iterator_range<all_protocol_iterator> all_protocol_range;
+ all_protocol_range all_referenced_protocols() const {
+ return all_protocol_range(all_referenced_protocol_begin(),
+ all_referenced_protocol_end());
+ }
all_protocol_iterator all_referenced_protocol_begin() const {
// FIXME: Should make sure no callers ever do this.
if (!hasDefinition())
@@ -824,7 +911,9 @@ public:
}
typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator;
+ typedef llvm::iterator_range<specific_decl_iterator<ObjCIvarDecl>> ivar_range;
+ ivar_range ivars() const { return ivar_range(ivar_begin(), ivar_end()); }
ivar_iterator ivar_begin() const {
if (const ObjCInterfaceDecl *Def = getDefinition())
return ivar_iterator(Def->decls_begin());
@@ -867,6 +956,31 @@ public:
unsigned Num,
ASTContext &C);
+ /// Produce a name to be used for class's metadata. It comes either via
+ /// objc_runtime_name attribute or class name.
+ StringRef getObjCRuntimeNameAsString() const;
+
+ /// Returns the designated initializers for the interface.
+ ///
+ /// If this declaration does not have methods marked as designated
+ /// initializers then the interface inherits the designated initializers of
+ /// its super class.
+ void getDesignatedInitializers(
+ llvm::SmallVectorImpl<const ObjCMethodDecl *> &Methods) const;
+
+ /// Returns true if the given selector is a designated initializer for the
+ /// interface.
+ ///
+ /// If this declaration does not have methods marked as designated
+ /// initializers then the interface inherits the designated initializers of
+ /// its super class.
+ ///
+ /// \param InitMethod if non-null and the function returns true, it receives
+ /// the method that was marked as a designated initializer.
+ bool
+ isDesignatedInitializer(Selector Sel,
+ const ObjCMethodDecl **InitMethod = nullptr) const;
+
/// \brief Determine whether this particular declaration of this class is
/// actually also a definition.
bool isThisDeclarationADefinition() const {
@@ -894,14 +1008,14 @@ public:
/// has been forward-declared (with \@class) but not yet defined (with
/// \@interface).
ObjCInterfaceDecl *getDefinition() {
- return hasDefinition()? Data.getPointer()->Definition : 0;
+ return hasDefinition()? Data.getPointer()->Definition : nullptr;
}
/// \brief Retrieve the definition of this class, or NULL if this class
/// has been forward-declared (with \@class) but not yet defined (with
/// \@interface).
const ObjCInterfaceDecl *getDefinition() const {
- return hasDefinition()? Data.getPointer()->Definition : 0;
+ return hasDefinition()? Data.getPointer()->Definition : nullptr;
}
/// \brief Starts the definition of this Objective-C class, taking it from
@@ -911,7 +1025,7 @@ public:
ObjCInterfaceDecl *getSuperClass() const {
// FIXME: Should make sure no callers ever do this.
if (!hasDefinition())
- return 0;
+ return nullptr;
if (data().ExternallyCompleted)
LoadExternalDefinition();
@@ -943,7 +1057,7 @@ public:
typedef std::ptrdiff_t difference_type;
typedef std::input_iterator_tag iterator_category;
- filtered_category_iterator() : Current(0) { }
+ filtered_category_iterator() : Current(nullptr) { }
explicit filtered_category_iterator(ObjCCategoryDecl *Current)
: Current(Current)
{
@@ -984,6 +1098,14 @@ public:
typedef filtered_category_iterator<isVisibleCategory>
visible_categories_iterator;
+ typedef llvm::iterator_range<visible_categories_iterator>
+ visible_categories_range;
+
+ visible_categories_range visible_categories() const {
+ return visible_categories_range(visible_categories_begin(),
+ visible_categories_end());
+ }
+
/// \brief Retrieve an iterator to the beginning of the visible-categories
/// list.
visible_categories_iterator visible_categories_begin() const {
@@ -1010,6 +1132,13 @@ public:
/// \brief Iterator that walks over all of the known categories and
/// extensions, including those that are hidden.
typedef filtered_category_iterator<isKnownCategory> known_categories_iterator;
+ typedef llvm::iterator_range<known_categories_iterator>
+ known_categories_range;
+
+ known_categories_range known_categories() const {
+ return known_categories_range(known_categories_begin(),
+ known_categories_end());
+ }
/// \brief Retrieve an iterator to the beginning of the known-categories
/// list.
@@ -1039,6 +1168,14 @@ public:
typedef filtered_category_iterator<isVisibleExtension>
visible_extensions_iterator;
+ typedef llvm::iterator_range<visible_extensions_iterator>
+ visible_extensions_range;
+
+ visible_extensions_range visible_extensions() const {
+ return visible_extensions_range(visible_extensions_begin(),
+ visible_extensions_end());
+ }
+
/// \brief Retrieve an iterator to the beginning of the visible-extensions
/// list.
visible_extensions_iterator visible_extensions_begin() const {
@@ -1065,6 +1202,13 @@ public:
/// \brief Iterator that walks over all of the known extensions.
typedef filtered_category_iterator<isKnownExtension>
known_extensions_iterator;
+ typedef llvm::iterator_range<known_extensions_iterator>
+ known_extensions_range;
+
+ known_extensions_range known_extensions() const {
+ return known_extensions_range(known_extensions_begin(),
+ known_extensions_end());
+ }
/// \brief Retrieve an iterator to the beginning of the known-extensions
/// list.
@@ -1087,7 +1231,7 @@ public:
ObjCCategoryDecl* getCategoryListRaw() const {
// FIXME: Should make sure no callers ever do this.
if (!hasDefinition())
- return 0;
+ return nullptr;
if (data().ExternallyCompleted)
LoadExternalDefinition();
@@ -1104,14 +1248,14 @@ public:
ObjCPropertyDecl
*FindPropertyVisibleInPrimaryClass(IdentifierInfo *PropertyId) const;
- virtual void collectPropertiesToImplement(PropertyMap &PM,
- PropertyDeclOrder &PO) const;
+ void collectPropertiesToImplement(PropertyMap &PM,
+ PropertyDeclOrder &PO) const override;
/// isSuperClassOf - Return true if this class is the specified class or is a
/// super class of the specified interface class.
bool isSuperClassOf(const ObjCInterfaceDecl *I) const {
// If RHS is derived from LHS it is OK; else it is not OK.
- while (I != NULL) {
+ while (I != nullptr) {
if (declaresSameEntity(this, I))
return true;
@@ -1141,15 +1285,18 @@ public:
// Lookup a method. First, we search locally. If a method isn't
// found, we search referenced protocols and class categories.
ObjCMethodDecl *lookupMethod(Selector Sel, bool isInstance,
- bool shallowCategoryLookup= false,
- const ObjCCategoryDecl *C= 0) const;
- ObjCMethodDecl *lookupInstanceMethod(Selector Sel,
- bool shallowCategoryLookup = false) const {
- return lookupMethod(Sel, true/*isInstance*/, shallowCategoryLookup);
+ bool shallowCategoryLookup = false,
+ bool followSuper = true,
+ const ObjCCategoryDecl *C = nullptr) const;
+
+ /// Lookup an instance method for a given selector.
+ ObjCMethodDecl *lookupInstanceMethod(Selector Sel) const {
+ return lookupMethod(Sel, true/*isInstance*/);
}
- ObjCMethodDecl *lookupClassMethod(Selector Sel,
- bool shallowCategoryLookup = false) const {
- return lookupMethod(Sel, false/*isInstance*/, shallowCategoryLookup);
+
+ /// Lookup a class method for a given selector.
+ ObjCMethodDecl *lookupClassMethod(Selector Sel) const {
+ return lookupMethod(Sel, false/*isInstance*/);
}
ObjCInterfaceDecl *lookupInheritedClass(const IdentifierInfo *ICName);
@@ -1167,7 +1314,9 @@ public:
ObjCMethodDecl *lookupPropertyAccessor(const Selector Sel,
const ObjCCategoryDecl *Cat) const {
return lookupMethod(Sel, true/*isInstance*/,
- false/*shallowCategoryLookup*/, Cat);
+ false/*shallowCategoryLookup*/,
+ true /* followsSuper */,
+ Cat);
}
SourceLocation getEndOfDefinitionLoc() const {
@@ -1196,15 +1345,17 @@ public:
bool lookupCategory,
bool RHSIsQualifiedID = false);
+ typedef redeclarable_base::redecl_range redecl_range;
typedef redeclarable_base::redecl_iterator redecl_iterator;
using redeclarable_base::redecls_begin;
using redeclarable_base::redecls_end;
+ using redeclarable_base::redecls;
using redeclarable_base::getPreviousDecl;
using redeclarable_base::getMostRecentDecl;
using redeclarable_base::isFirstDecl;
/// Retrieves the canonical declaration of this Objective-C class.
- ObjCInterfaceDecl *getCanonicalDecl() { return getFirstDecl(); }
+ ObjCInterfaceDecl *getCanonicalDecl() override { return getFirstDecl(); }
const ObjCInterfaceDecl *getCanonicalDecl() const { return getFirstDecl(); }
// Low-level accessor
@@ -1217,6 +1368,10 @@ public:
friend class ASTReader;
friend class ASTDeclReader;
friend class ASTDeclWriter;
+
+private:
+ const ObjCInterfaceDecl *findInterfaceWithDesignatedInitializers() const;
+ bool inheritsDesignatedInitializers() const;
};
/// ObjCIvarDecl - Represents an ObjC instance variable. In general, ObjC
@@ -1235,7 +1390,7 @@ public:
/// }
///
class ObjCIvarDecl : public FieldDecl {
- virtual void anchor();
+ void anchor() override;
public:
enum AccessControl {
@@ -1246,21 +1401,18 @@ private:
ObjCIvarDecl(ObjCContainerDecl *DC, SourceLocation StartLoc,
SourceLocation IdLoc, IdentifierInfo *Id,
QualType T, TypeSourceInfo *TInfo, AccessControl ac, Expr *BW,
- bool synthesized,
- bool backingIvarReferencedInAccessor)
+ bool synthesized)
: FieldDecl(ObjCIvar, DC, StartLoc, IdLoc, Id, T, TInfo, BW,
/*Mutable=*/false, /*HasInit=*/ICIS_NoInit),
- NextIvar(0), DeclAccess(ac), Synthesized(synthesized),
- BackingIvarReferencedInAccessor(backingIvarReferencedInAccessor) {}
+ NextIvar(nullptr), DeclAccess(ac), Synthesized(synthesized) {}
public:
static ObjCIvarDecl *Create(ASTContext &C, ObjCContainerDecl *DC,
SourceLocation StartLoc, SourceLocation IdLoc,
IdentifierInfo *Id, QualType T,
TypeSourceInfo *TInfo,
- AccessControl ac, Expr *BW = NULL,
- bool synthesized=false,
- bool backingIvarReferencedInAccessor=false);
+ AccessControl ac, Expr *BW = nullptr,
+ bool synthesized=false);
static ObjCIvarDecl *CreateDeserialized(ASTContext &C, unsigned ID);
@@ -1282,13 +1434,6 @@ public:
return DeclAccess == None ? Protected : AccessControl(DeclAccess);
}
- void setBackingIvarReferencedInAccessor(bool val) {
- BackingIvarReferencedInAccessor = val;
- }
- bool getBackingIvarReferencedInAccessor() const {
- return BackingIvarReferencedInAccessor;
- }
-
void setSynthesize(bool synth) { Synthesized = synth; }
bool getSynthesize() const { return Synthesized; }
@@ -1303,18 +1448,17 @@ private:
// NOTE: VC++ treats enums as signed, avoid using the AccessControl enum
unsigned DeclAccess : 3;
unsigned Synthesized : 1;
- unsigned BackingIvarReferencedInAccessor : 1;
};
/// \brief Represents a field declaration created by an \@defs(...).
class ObjCAtDefsFieldDecl : public FieldDecl {
- virtual void anchor();
+ void anchor() override;
ObjCAtDefsFieldDecl(DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, IdentifierInfo *Id,
QualType T, Expr *BW)
: FieldDecl(ObjCAtDefsField, DC, StartLoc, IdLoc, Id, T,
- /*TInfo=*/0, // FIXME: Do ObjCAtDefs have declarators ?
+ /*TInfo=*/nullptr, // FIXME: Do ObjCAtDefs have declarators ?
BW, /*Mutable=*/false, /*HasInit=*/ICIS_NoInit) {}
public:
@@ -1362,7 +1506,7 @@ public:
///
class ObjCProtocolDecl : public ObjCContainerDecl,
public Redeclarable<ObjCProtocolDecl> {
- virtual void anchor();
+ void anchor() override;
struct DefinitionData {
// \brief The declaration that defines this protocol.
@@ -1384,20 +1528,20 @@ class ObjCProtocolDecl : public ObjCContainerDecl,
return *Data.getPointer();
}
- ObjCProtocolDecl(DeclContext *DC, IdentifierInfo *Id,
+ ObjCProtocolDecl(ASTContext &C, DeclContext *DC, IdentifierInfo *Id,
SourceLocation nameLoc, SourceLocation atStartLoc,
ObjCProtocolDecl *PrevDecl);
void allocateDefinitionData();
typedef Redeclarable<ObjCProtocolDecl> redeclarable_base;
- virtual ObjCProtocolDecl *getNextRedeclaration() {
- return RedeclLink.getNext();
+ ObjCProtocolDecl *getNextRedeclarationImpl() override {
+ return getNextRedeclaration();
}
- virtual ObjCProtocolDecl *getPreviousDeclImpl() {
+ ObjCProtocolDecl *getPreviousDeclImpl() override {
return getPreviousDecl();
}
- virtual ObjCProtocolDecl *getMostRecentDeclImpl() {
+ ObjCProtocolDecl *getMostRecentDeclImpl() override {
return getMostRecentDecl();
}
@@ -1409,12 +1553,17 @@ public:
ObjCProtocolDecl *PrevDecl);
static ObjCProtocolDecl *CreateDeserialized(ASTContext &C, unsigned ID);
-
+
const ObjCProtocolList &getReferencedProtocols() const {
assert(hasDefinition() && "No definition available!");
return data().ReferencedProtocols;
}
typedef ObjCProtocolList::iterator protocol_iterator;
+ typedef llvm::iterator_range<protocol_iterator> protocol_range;
+
+ protocol_range protocols() const {
+ return protocol_range(protocol_begin(), protocol_end());
+ }
protocol_iterator protocol_begin() const {
if (!hasDefinition())
return protocol_iterator();
@@ -1428,6 +1577,11 @@ public:
return data().ReferencedProtocols.end();
}
typedef ObjCProtocolList::loc_iterator protocol_loc_iterator;
+ typedef llvm::iterator_range<protocol_loc_iterator> protocol_loc_range;
+
+ protocol_loc_range protocol_locs() const {
+ return protocol_loc_range(protocol_loc_begin(), protocol_loc_end());
+ }
protocol_loc_iterator protocol_loc_begin() const {
if (!hasDefinition())
return protocol_loc_iterator();
@@ -1486,12 +1640,12 @@ public:
/// \brief Retrieve the definition of this protocol, if any.
ObjCProtocolDecl *getDefinition() {
- return hasDefinition()? Data.getPointer()->Definition : 0;
+ return hasDefinition()? Data.getPointer()->Definition : nullptr;
}
/// \brief Retrieve the definition of this protocol, if any.
const ObjCProtocolDecl *getDefinition() const {
- return hasDefinition()? Data.getPointer()->Definition : 0;
+ return hasDefinition()? Data.getPointer()->Definition : nullptr;
}
/// \brief Determine whether this particular declaration is also the
@@ -1503,29 +1657,35 @@ public:
/// \brief Starts the definition of this Objective-C protocol.
void startDefinition();
- virtual SourceRange getSourceRange() const LLVM_READONLY {
+ /// Produce a name to be used for protocol's metadata. It comes either via
+ /// objc_runtime_name attribute or protocol name.
+ StringRef getObjCRuntimeNameAsString() const;
+
+ SourceRange getSourceRange() const override LLVM_READONLY {
if (isThisDeclarationADefinition())
return ObjCContainerDecl::getSourceRange();
return SourceRange(getAtStartLoc(), getLocation());
}
+ typedef redeclarable_base::redecl_range redecl_range;
typedef redeclarable_base::redecl_iterator redecl_iterator;
using redeclarable_base::redecls_begin;
using redeclarable_base::redecls_end;
+ using redeclarable_base::redecls;
using redeclarable_base::getPreviousDecl;
using redeclarable_base::getMostRecentDecl;
using redeclarable_base::isFirstDecl;
/// Retrieves the canonical declaration of this Objective-C protocol.
- ObjCProtocolDecl *getCanonicalDecl() { return getFirstDecl(); }
+ ObjCProtocolDecl *getCanonicalDecl() override { return getFirstDecl(); }
const ObjCProtocolDecl *getCanonicalDecl() const { return getFirstDecl(); }
- virtual void collectPropertiesToImplement(PropertyMap &PM,
- PropertyDeclOrder &PO) const;
-
-void collectInheritedProtocolProperties(const ObjCPropertyDecl *Property,
- ProtocolPropertyMap &PM) const;
+ void collectPropertiesToImplement(PropertyMap &PM,
+ PropertyDeclOrder &PO) const override;
+
+ void collectInheritedProtocolProperties(const ObjCPropertyDecl *Property,
+ ProtocolPropertyMap &PM) const;
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
static bool classofKind(Kind K) { return K == ObjCProtocol; }
@@ -1553,7 +1713,7 @@ void collectInheritedProtocolProperties(const ObjCPropertyDecl *Property,
/// don't support this level of dynamism, which is both powerful and dangerous.
///
class ObjCCategoryDecl : public ObjCContainerDecl {
- virtual void anchor();
+ void anchor() override;
/// Interface belonging to this category
ObjCInterfaceDecl *ClassInterface;
@@ -1578,7 +1738,7 @@ class ObjCCategoryDecl : public ObjCContainerDecl {
SourceLocation IvarLBraceLoc=SourceLocation(),
SourceLocation IvarRBraceLoc=SourceLocation())
: ObjCContainerDecl(ObjCCategory, DC, Id, ClassNameLoc, AtLoc),
- ClassInterface(IDecl), NextClassCategory(0),
+ ClassInterface(IDecl), NextClassCategory(nullptr),
CategoryNameLoc(CategoryNameLoc),
IvarLBraceLoc(IvarLBraceLoc), IvarRBraceLoc(IvarRBraceLoc) {
}
@@ -1613,10 +1773,22 @@ public:
}
typedef ObjCProtocolList::iterator protocol_iterator;
- protocol_iterator protocol_begin() const {return ReferencedProtocols.begin();}
+ typedef llvm::iterator_range<protocol_iterator> protocol_range;
+
+ protocol_range protocols() const {
+ return protocol_range(protocol_begin(), protocol_end());
+ }
+ protocol_iterator protocol_begin() const {
+ return ReferencedProtocols.begin();
+ }
protocol_iterator protocol_end() const { return ReferencedProtocols.end(); }
unsigned protocol_size() const { return ReferencedProtocols.size(); }
typedef ObjCProtocolList::loc_iterator protocol_loc_iterator;
+ typedef llvm::iterator_range<protocol_loc_iterator> protocol_loc_range;
+
+ protocol_loc_range protocol_locs() const {
+ return protocol_loc_range(protocol_loc_begin(), protocol_loc_end());
+ }
protocol_loc_iterator protocol_loc_begin() const {
return ReferencedProtocols.loc_begin();
}
@@ -1632,9 +1804,12 @@ public:
return NextClassCategory;
}
- bool IsClassExtension() const { return getIdentifier() == 0; }
+ bool IsClassExtension() const { return getIdentifier() == nullptr; }
typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator;
+ typedef llvm::iterator_range<specific_decl_iterator<ObjCIvarDecl>> ivar_range;
+
+ ivar_range ivars() const { return ivar_range(ivar_begin(), ivar_end()); }
ivar_iterator ivar_begin() const {
return ivar_iterator(decls_begin());
}
@@ -1664,7 +1839,7 @@ public:
};
class ObjCImplDecl : public ObjCContainerDecl {
- virtual void anchor();
+ void anchor() override;
/// Class interface for this class/category implementation
ObjCInterfaceDecl *ClassInterface;
@@ -1674,7 +1849,8 @@ protected:
ObjCInterfaceDecl *classInterface,
SourceLocation nameLoc, SourceLocation atStartLoc)
: ObjCContainerDecl(DK, DC,
- classInterface? classInterface->getIdentifier() : 0,
+ classInterface? classInterface->getIdentifier()
+ : nullptr,
nameLoc, atStartLoc),
ClassInterface(classInterface) {}
@@ -1701,6 +1877,12 @@ public:
// Iterator access to properties.
typedef specific_decl_iterator<ObjCPropertyImplDecl> propimpl_iterator;
+ typedef llvm::iterator_range<specific_decl_iterator<ObjCPropertyImplDecl>>
+ propimpl_range;
+
+ propimpl_range property_impls() const {
+ return propimpl_range(propimpl_begin(), propimpl_end());
+ }
propimpl_iterator propimpl_begin() const {
return propimpl_iterator(decls_begin());
}
@@ -1728,7 +1910,7 @@ public:
///
/// ObjCCategoryImplDecl
class ObjCCategoryImplDecl : public ObjCImplDecl {
- virtual void anchor();
+ void anchor() override;
// Category name
IdentifierInfo *Id;
@@ -1753,8 +1935,8 @@ public:
/// getIdentifier - Get the identifier that names the category
/// interface associated with this implementation.
- /// FIXME: This is a bad API, we are overriding the NamedDecl::getIdentifier()
- /// to mean something different. For example:
+ /// FIXME: This is a bad API, we are hiding NamedDecl::getIdentifier()
+ /// with a different meaning. For example:
/// ((NamedDecl *)SomeCategoryImplDecl)->getIdentifier()
/// returns the class interface name, whereas
/// ((ObjCCategoryImplDecl *)SomeCategoryImplDecl)->getIdentifier()
@@ -1771,11 +1953,9 @@ public:
/// getName - Get the name of identifier for the class interface associated
/// with this implementation as a StringRef.
//
- // FIXME: This is a bad API, we are overriding the NamedDecl::getName, to mean
- // something different.
- StringRef getName() const {
- return Id ? Id->getNameStart() : "";
- }
+ // FIXME: This is a bad API, we are hiding NamedDecl::getName with a different
+ // meaning.
+ StringRef getName() const { return Id ? Id->getName() : StringRef(); }
/// @brief Get the name of the class associated with this interface.
//
@@ -1802,13 +1982,16 @@ raw_ostream &operator<<(raw_ostream &OS, const ObjCCategoryImplDecl &CID);
/// \@end
/// @endcode
///
-/// Typically, instance variables are specified in the class interface,
-/// *not* in the implementation. Nevertheless (for legacy reasons), we
-/// allow instance variables to be specified in the implementation. When
-/// specified, they need to be *identical* to the interface.
+/// In a non-fragile runtime, instance variables can appear in the class
+/// interface, class extensions (nameless categories), and in the implementation
+/// itself, as well as being synthesized as backing storage for properties.
///
+/// In a fragile runtime, instance variables are specified in the class
+/// interface, \em not in the implementation. Nevertheless (for legacy reasons),
+/// we allow instance variables to be specified in the implementation. When
+/// specified, they need to be \em identical to the interface.
class ObjCImplementationDecl : public ObjCImplDecl {
- virtual void anchor();
+ void anchor() override;
/// Implementation Class's super class.
ObjCInterfaceDecl *SuperClass;
SourceLocation SuperLoc;
@@ -1839,7 +2022,7 @@ class ObjCImplementationDecl : public ObjCImplDecl {
: ObjCImplDecl(ObjCImplementation, DC, classInterface, nameLoc, atStartLoc),
SuperClass(superDecl), SuperLoc(superLoc), IvarLBraceLoc(IvarLBraceLoc),
IvarRBraceLoc(IvarRBraceLoc),
- IvarInitializers(0), NumIvarInitializers(0),
+ IvarInitializers(nullptr), NumIvarInitializers(0),
HasNonZeroConstructors(false), HasDestructors(false) {}
public:
static ObjCImplementationDecl *Create(ASTContext &C, DeclContext *DC,
@@ -1859,6 +2042,14 @@ public:
/// init_const_iterator - Iterates through the ivar initializer list.
typedef CXXCtorInitializer * const * init_const_iterator;
+ typedef llvm::iterator_range<init_iterator> init_range;
+ typedef llvm::iterator_range<init_const_iterator> init_const_range;
+
+ init_range inits() { return init_range(init_begin(), init_end()); }
+ init_const_range inits() const {
+ return init_const_range(init_begin(), init_end());
+ }
+
/// init_begin() - Retrieve an iterator to the first initializer.
init_iterator init_begin() { return IvarInitializers; }
/// begin() - Retrieve an iterator to the first initializer.
@@ -1904,8 +2095,8 @@ public:
/// getName - Get the name of identifier for the class interface associated
/// with this implementation as a StringRef.
//
- // FIXME: This is a bad API, we are overriding the NamedDecl::getName, to mean
- // something different.
+ // FIXME: This is a bad API, we are hiding NamedDecl::getName with a different
+ // meaning.
StringRef getName() const {
assert(getIdentifier() && "Name is not a simple identifier");
return getIdentifier()->getName();
@@ -1917,6 +2108,10 @@ public:
std::string getNameAsString() const {
return getName();
}
+
+ /// Produce a name to be used for class's metadata. It comes either via
+ /// class's objc_runtime_name attribute or class name.
+ StringRef getObjCRuntimeNameAsString() const;
const ObjCInterfaceDecl *getSuperClass() const { return SuperClass; }
ObjCInterfaceDecl *getSuperClass() { return SuperClass; }
@@ -1930,6 +2125,9 @@ public:
SourceLocation getIvarRBraceLoc() const { return IvarRBraceLoc; }
typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator;
+ typedef llvm::iterator_range<specific_decl_iterator<ObjCIvarDecl>> ivar_range;
+
+ ivar_range ivars() const { return ivar_range(ivar_begin(), ivar_end()); }
ivar_iterator ivar_begin() const {
return ivar_iterator(decls_begin());
}
@@ -1955,7 +2153,7 @@ raw_ostream &operator<<(raw_ostream &OS, const ObjCImplementationDecl &ID);
/// ObjCCompatibleAliasDecl - Represents alias of a class. This alias is
/// declared as \@compatibility_alias alias class.
class ObjCCompatibleAliasDecl : public NamedDecl {
- virtual void anchor();
+ void anchor() override;
/// Class that this is an alias of.
ObjCInterfaceDecl *AliasedClass;
@@ -1986,7 +2184,7 @@ public:
/// \@property (assign, readwrite) int MyProperty;
/// \endcode
class ObjCPropertyDecl : public NamedDecl {
- virtual void anchor();
+ void anchor() override;
public:
enum PropertyAttributeKind {
OBJC_PR_noattr = 0x00,
@@ -2038,7 +2236,9 @@ private:
PropertyImplementation(None),
GetterName(Selector()),
SetterName(Selector()),
- GetterMethodDecl(0), SetterMethodDecl(0) , PropertyIvarDecl(0) {}
+ GetterMethodDecl(nullptr), SetterMethodDecl(nullptr),
+ PropertyIvarDecl(nullptr) {}
+
public:
static ObjCPropertyDecl *Create(ASTContext &C, DeclContext *DC,
SourceLocation L,
@@ -2145,7 +2345,7 @@ public:
return PropertyIvarDecl;
}
- virtual SourceRange getSourceRange() const LLVM_READONLY {
+ SourceRange getSourceRange() const override LLVM_READONLY {
return SourceRange(AtLoc, getLocation());
}
@@ -2202,7 +2402,7 @@ private:
SourceLocation ivarLoc)
: Decl(ObjCPropertyImpl, DC, L), AtLoc(atLoc),
IvarLoc(ivarLoc), PropertyDecl(property), PropertyIvarDecl(ivarDecl),
- GetterCXXConstructor(0), SetterCXXAssignment(0) {
+ GetterCXXConstructor(nullptr), SetterCXXAssignment(nullptr) {
assert (PK == Dynamic || PropertyIvarDecl);
}
@@ -2215,8 +2415,8 @@ public:
SourceLocation ivarLoc);
static ObjCPropertyImplDecl *CreateDeserialized(ASTContext &C, unsigned ID);
-
- virtual SourceRange getSourceRange() const LLVM_READONLY;
+
+ SourceRange getSourceRange() const override LLVM_READONLY;
SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; }
void setAtLoc(SourceLocation Loc) { AtLoc = Loc; }
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-19 05:21:41 +0000