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introduce a new ObjCList templated class and start moving 

various objc lists over to it.  First up, the protocol list 
on ObjCInterfaceDecl.

llvm-svn: 53856
This commit is contained in:
Chris Lattner 2008-07-21 18:19:38 +00:00
parent b47772535b
commit d004505b74
7 changed files with 101 additions and 66 deletions
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18
clang/Driver/ASTConsumers.cpp
View File

@ -248,18 +248,16 @@ void DeclPrinter::PrintObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
Out << "@interface " << I;
// Protocols?
int count = OID->getNumIntfRefProtocols();
if (count > 0) {
ObjCProtocolDecl **refProtocols = OID->getReferencedProtocols();
for (int i = 0; i < count; i++)
Out << (i == 0 ? '<' : ',') << refProtocols[i]->getName();
const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
if (!Protocols.empty()) {
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
E = Protocols.end(); I != E; ++I)
Out << (I == Protocols.begin() ? '<' : ',') << (*I)->getName();
}
if (count > 0)
Out << ">\n";
else
Out << '\n';
if (!Protocols.empty())
Out << ">";
Out << '\n';
if (OID->ivar_size() > 0) {
Out << '{';

14
clang/Driver/RewriteObjC.cpp
View File

@ -217,7 +217,7 @@ namespace {
const char *ClassName,
std::string &Result);
void RewriteObjCProtocolsMetaData(ObjCProtocolDecl **Protocols,
void RewriteObjCProtocolsMetaData(ObjCProtocolDecl *const*Protocols,
int NumProtocols,
const char *prefix,
const char *ClassName,
@ -2364,7 +2364,7 @@ void RewriteObjC::SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl,
const char *endHeader = SM->getCharacterData(L);
endHeader += Lexer::MeasureTokenLength(L, *SM);
if (CDecl->getNumIntfRefProtocols()) {
if (!CDecl->getReferencedProtocols().empty()) {
// advance to the end of the referenced protocols.
while (endHeader < cursor && *endHeader != '>') endHeader++;
endHeader++;
@ -2508,7 +2508,7 @@ void RewriteObjC::RewriteObjCMethodsMetaData(instmeth_iterator MethodBegin,
}
/// RewriteObjCProtocolsMetaData - Rewrite protocols meta-data.
void RewriteObjC::RewriteObjCProtocolsMetaData(ObjCProtocolDecl **Protocols,
void RewriteObjC::RewriteObjCProtocolsMetaData(ObjCProtocolDecl*const*Protocols,
int NumProtocols,
const char *prefix,
const char *ClassName,
@ -2899,8 +2899,8 @@ void RewriteObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
false, "", IDecl->getName(), Result);
// Protocols referenced in class declaration?
RewriteObjCProtocolsMetaData(CDecl->getReferencedProtocols(),
CDecl->getNumIntfRefProtocols(),
RewriteObjCProtocolsMetaData(CDecl->getReferencedProtocols().begin(),
CDecl->getReferencedProtocols().size(),
"CLASS", CDecl->getName(), Result);
@ -2977,7 +2977,7 @@ void RewriteObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
}
else
Result += ", 0\n";
if (CDecl->getNumIntfRefProtocols() > 0) {
if (!CDecl->getReferencedProtocols().empty()) {
Result += "\t,0, (struct _objc_protocol_list *)&_OBJC_CLASS_PROTOCOLS_";
Result += CDecl->getName();
Result += ",0,0\n";
@ -3030,7 +3030,7 @@ void RewriteObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
}
else
Result += ",0,0";
if (CDecl->getNumIntfRefProtocols() > 0) {
if (!CDecl->getReferencedProtocols().empty()) {
Result += ", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_";
Result += CDecl->getName();
Result += ", 0,0\n";

66
clang/include/clang/AST/DeclObjC.h
View File

@ -28,6 +28,48 @@ class ObjCProtocolDecl;
class ObjCCategoryDecl;
class ObjCPropertyDecl;
class ObjCPropertyImplDecl;
/// ObjCList - This is a simple template class used to hold various lists of
/// decls etc, which is heavily used by the ObjC front-end. This only use case
/// this supports is setting the list all at once and then reading elements out
/// of it.
template <typename T>
class ObjCList {
/// List is a new[]'d array of pointers to objects that are not owned by this
/// list.
T **List;
unsigned NumElts;
void operator=(const ObjCList &); // DO NOT IMPLEMENT
ObjCList(const ObjCList&); // DO NOT IMPLEMENT
public:
ObjCList() : List(0), NumElts(0) {}
~ObjCList() {
delete[] List;
}
void set(T* const* InList, unsigned Elts) {
assert(List == 0 && "Elements already set!");
List = new T*[Elts];
NumElts = Elts;
memcpy(List, InList, sizeof(T*)*Elts);
}
typedef T* const * iterator;
iterator begin() const { return List; }
iterator end() const { return List+NumElts; }
unsigned size() const { return NumElts; }
bool empty() const { return NumElts == 0; }
T* get(unsigned idx) const {
assert(idx < NumElts && "Invalid access");
return List[idx];
}
};
/// ObjCMethodDecl - Represents an instance or class method declaration.
/// ObjC methods can be declared within 4 contexts: class interfaces,
@ -227,8 +269,7 @@ class ObjCInterfaceDecl : public NamedDecl, public DeclContext {
ObjCInterfaceDecl *SuperClass;
/// Protocols referenced in interface header declaration
ObjCProtocolDecl **ReferencedProtocols; // Null if none
unsigned NumReferencedProtocols; // 0 if none
ObjCList<ObjCProtocolDecl> ReferencedProtocols;
/// Ivars/NumIvars - This is a new[]'d array of pointers to Decls.
ObjCIvarDecl **Ivars; // Null if not defined.
@ -261,8 +302,7 @@ class ObjCInterfaceDecl : public NamedDecl, public DeclContext {
SourceLocation CLoc, bool FD, bool isInternal)
: NamedDecl(ObjCInterface, atLoc, Id), DeclContext(ObjCInterface),
TypeForDecl(0), SuperClass(0),
ReferencedProtocols(0), NumReferencedProtocols(0), Ivars(0),
NumIvars(0),
Ivars(0), NumIvars(0),
InstanceMethods(0), NumInstanceMethods(0),
ClassMethods(0), NumClassMethods(0),
CategoryList(0), PropertyDecl(0), NumPropertyDecl(0),
@ -283,21 +323,17 @@ public:
SourceLocation ClassLoc = SourceLocation(),
bool ForwardDecl = false,
bool isInternal = false);
ObjCProtocolDecl **getReferencedProtocols() const {
const ObjCList<ObjCProtocolDecl> &getReferencedProtocols() const {
return ReferencedProtocols;
}
unsigned getNumIntfRefProtocols() const { return NumReferencedProtocols; }
ObjCPropertyDecl *FindPropertyDeclaration(IdentifierInfo *PropertyId) const;
ObjCCategoryDecl *FindCategoryDeclaration(IdentifierInfo *CategoryId) const;
ObjCIvarDecl *FindIvarDeclaration(IdentifierInfo *IvarId) const;
typedef ObjCProtocolDecl * const * protocol_iterator;
protocol_iterator protocol_begin() const { return ReferencedProtocols; }
protocol_iterator protocol_end() const {
return ReferencedProtocols+NumReferencedProtocols;
}
typedef ObjCList<ObjCProtocolDecl>::iterator protocol_iterator;
protocol_iterator protocol_begin() const {return ReferencedProtocols.begin();}
protocol_iterator protocol_end() const { return ReferencedProtocols.end(); }
typedef ObjCIvarDecl * const *ivar_iterator;
ivar_iterator ivar_begin() const { return Ivars; }
@ -323,7 +359,9 @@ public:
/// addReferencedProtocols - Set the list of protocols that this interface
/// implements.
void addReferencedProtocols(ObjCProtocolDecl **OID, unsigned numRefProtos);
void addReferencedProtocols(ObjCProtocolDecl * const *OID, unsigned NumRPs) {
ReferencedProtocols.set(OID, NumRPs);
}
void addInstanceVariablesToClass(ObjCIvarDecl **ivars, unsigned numIvars,
SourceLocation RBracLoc);

33
clang/lib/AST/DeclObjC.cpp
View File

@ -280,18 +280,6 @@ ObjCIvarDecl *
return 0;
}
/// addReferencedProtocols - Set the list of protocols that this interface
/// implements.
void ObjCInterfaceDecl::addReferencedProtocols(ObjCProtocolDecl **OID,
unsigned numRefProtos) {
assert(NumReferencedProtocols == 0 && "refproto already set!");
NumReferencedProtocols = numRefProtos;
if (numRefProtos) {
ReferencedProtocols = new ObjCProtocolDecl*[numRefProtos];
memcpy(ReferencedProtocols, OID, numRefProtos*sizeof(ObjCProtocolDecl*));
}
}
/// ObjCAddInstanceVariablesToClass - Inserts instance variables
/// into ObjCInterfaceDecl's fields.
///
@ -539,12 +527,13 @@ ObjCMethodDecl *ObjCInterfaceDecl::lookupInstanceMethod(Selector Sel) {
return MethodDecl;
// Didn't find one yet - look through protocols.
ObjCProtocolDecl **protocols = ClassDecl->getReferencedProtocols();
int numProtocols = ClassDecl->getNumIntfRefProtocols();
for (int pIdx = 0; pIdx < numProtocols; pIdx++) {
if ((MethodDecl = protocols[pIdx]->getInstanceMethod(Sel)))
const ObjCList<ObjCProtocolDecl> &Protocols =
ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
E = Protocols.end(); I != E; ++I)
if ((MethodDecl = (*I)->getInstanceMethod(Sel)))
return MethodDecl;
}
// Didn't find one yet - now look through categories.
ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList();
while (CatDecl) {
@ -568,10 +557,12 @@ ObjCMethodDecl *ObjCInterfaceDecl::lookupClassMethod(Selector Sel) {
return MethodDecl;
// Didn't find one yet - look through protocols.
ObjCProtocolDecl **protocols = ClassDecl->getReferencedProtocols();
int numProtocols = ClassDecl->getNumIntfRefProtocols();
for (int pIdx = 0; pIdx < numProtocols; pIdx++) {
if ((MethodDecl = protocols[pIdx]->getClassMethod(Sel)))
const ObjCList<ObjCProtocolDecl> &Protocols =
ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
E = Protocols.end(); I != E; ++I) {
if ((MethodDecl = (*I)->getClassMethod(Sel)))
return MethodDecl;
}
// Didn't find one yet - now look through categories.

14
clang/lib/CodeGen/CodeGenModule.cpp
View File

@ -415,9 +415,11 @@ void CodeGenModule::EmitObjCCategoryImpl(const ObjCCategoryImplDecl *OCD) {
// Collect the names of referenced protocols
llvm::SmallVector<std::string, 16> Protocols;
ObjCInterfaceDecl * ClassDecl = (ObjCInterfaceDecl*)OCD->getClassInterface();
for (unsigned i=0 ; i<ClassDecl->getNumIntfRefProtocols() ; i++)
Protocols.push_back(ClassDecl->getReferencedProtocols()[i]->getName());
const ObjCInterfaceDecl *ClassDecl = OCD->getClassInterface();
const ObjCList<ObjCProtocolDecl> &Protos =ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protos.begin(),
E = Protos.end(); I != E; ++I)
Protocols.push_back((*I)->getName());
// Generate the category
Runtime->GenerateCategory(OCD->getClassInterface()->getName(),
@ -495,8 +497,10 @@ void CodeGenModule::EmitObjCClassImplementation(
}
// Collect the names of referenced protocols
llvm::SmallVector<std::string, 16> Protocols;
for (unsigned i = 0, e = ClassDecl->getNumIntfRefProtocols() ; i < e ; i++)
Protocols.push_back(ClassDecl->getReferencedProtocols()[i]->getName());
const ObjCList<ObjCProtocolDecl> &Protos =ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protos.begin(),
E = Protos.end(); I != E; ++I)
Protocols.push_back((*I)->getName());
// Generate the category
Runtime->GenerateClass(ClassName, SCName, instanceSize, IvarNames, IvarTypes,

8
clang/lib/Sema/SemaDeclObjC.cpp
View File

@ -653,9 +653,11 @@ void Sema::ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl,
// Check the protocol list for unimplemented methods in the @implementation
// class.
ObjCProtocolDecl** protocols = IDecl->getReferencedProtocols();
for (unsigned i = 0; i < IDecl->getNumIntfRefProtocols(); i++)
CheckProtocolMethodDefs(IMPDecl->getLocation(), protocols[i],
const ObjCList<ObjCProtocolDecl> &Protocols =
IDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
E = Protocols.end(); I != E; ++I)
CheckProtocolMethodDefs(IMPDecl->getLocation(), *I,
IncompleteImpl, InsMap, ClsMap);
}

14
clang/lib/Sema/SemaExprObjC.cpp
View File

@ -375,9 +375,12 @@ static bool ClassImplementsProtocol(ObjCProtocolDecl *lProto,
bool RHSIsQualifiedID = false) {
// 1st, look up the class.
ObjCProtocolDecl **protoList = IDecl->getReferencedProtocols();
for (unsigned i = 0; i < IDecl->getNumIntfRefProtocols(); i++) {
if (ProtocolCompatibleWithProtocol(lProto, protoList[i]))
const ObjCList<ObjCProtocolDecl> &Protocols =
IDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator PI = Protocols.begin(),
E = Protocols.end(); PI != E; ++PI) {
if (ProtocolCompatibleWithProtocol(lProto, *PI))
return true;
// This is dubious and is added to be compatible with gcc.
// In gcc, it is also allowed assigning a protocol-qualified 'id'
@ -385,8 +388,7 @@ static bool ClassImplementsProtocol(ObjCProtocolDecl *lProto,
// of protocols in the rhs 'id' object. This IMO, should be a bug.
// FIXME: Treat this as an extension, and flag this as an error when
// GCC extensions are not enabled.
else if (RHSIsQualifiedID &&
ProtocolCompatibleWithProtocol(protoList[i], lProto))
if (RHSIsQualifiedID && ProtocolCompatibleWithProtocol(*PI, lProto))
return true;
}
@ -394,7 +396,7 @@ static bool ClassImplementsProtocol(ObjCProtocolDecl *lProto,
if (lookupCategory)
for (ObjCCategoryDecl *CDecl = IDecl->getCategoryList(); CDecl;
CDecl = CDecl->getNextClassCategory()) {
protoList = CDecl->getReferencedProtocols();
ObjCProtocolDecl **protoList = CDecl->getReferencedProtocols();
for (unsigned i = 0; i < CDecl->getNumReferencedProtocols(); i++) {
if (ProtocolCompatibleWithProtocol(lProto, protoList[i]))
return true;