Refactored several meta data for reusability.

Changed the entire rewrite of metadata to write to std::string
object instead of stdout.

llvm-svn: 43360
This commit is contained in:
Fariborz Jahanian 2007-10-25 20:55:25 +00:00
parent f73340efb9
commit 51f2182338
2 changed files with 351 additions and 249 deletions

View File

@ -64,9 +64,11 @@ namespace {
CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD,
Expr **args, unsigned nargs);
// Metadata emission.
void RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl);
void RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl,
std::string &Result);
void RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *CDecl);
void RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *CDecl,
std::string &Result);
void RewriteObjcMethodsMetaData(ObjcMethodDecl **Methods,
int NumMethods,
@ -78,8 +80,9 @@ namespace {
void RewriteObjcProtocolsMetaData(ObjcProtocolDecl **Protocols,
int NumProtocols,
const char *prefix,
const char *ClassName);
void WriteObjcMetaData();
const char *ClassName,
std::string &Result);
void WriteObjcMetaData(std::string &Result);
};
}
@ -150,7 +153,10 @@ RewriteTest::~RewriteTest() {
}
// Rewrite Objective-c meta data*
WriteObjcMetaData();
std::string ResultStr;
WriteObjcMetaData(ResultStr);
// For now just print the string out.
printf("%s", ResultStr.c_str());
}
//===----------------------------------------------------------------------===//
@ -378,37 +384,44 @@ void RewriteTest::RewriteObjcMethodsMetaData(ObjcMethodDecl **Methods,
Result += "\tchar *method_types;\n";
Result += "\tvoid *_imp;\n";
Result += "};\n";
/* struct _objc_method_list {
struct _objc_method_list *next_method;
int method_count;
struct _objc_method method_list[];
}
*/
Result += "\nstruct _objc_method_list {\n";
Result += "\tstruct _objc_method_list *next_method;\n";
Result += "\tint method_count;\n";
Result += "\tstruct _objc_method method_list[];\n};\n";
objc_impl_method = true;
}
// Build _objc_method_list for class's methods if needed
if (NumMethods > 0) {
/* struct _objc_method_list {
struct _objc_method_list *next_method;
int method_count;
struct _objc_method method_list[method_count];
}
*/
Result += "\nstatic struct {\n";
Result += "\tstruct _objc_method_list *next_method;\n";
Result += "\tint method_count;\n";
Result += "\tstruct _objc_method method_list[" + utostr(NumMethods) +"];\n";
Result += "} _OBJC_";
Result += "\nstatic struct _objc_method_list _OBJC_";
Result += prefix;
Result += IsInstanceMethod ? "INSTANCE" : "CLASS";
Result += "_METHODS_";
Result += ClassName;
Result += " __attribute__ ((section (\"__OBJC, __";
Result += IsInstanceMethod ? "inst" : "cls";
Result += "_meth\")))= {\n\t0, " + utostr(NumMethods) + "\n";
for (int i = 0; i < NumMethods; i++) {
Result += "_meth\")))= ";
Result += "{\n\t0, " + utostr(NumMethods) + "\n";
Result += "\t,{{(SEL)\"";
Result += Methods[0]->getSelector().getName().c_str();
Result += "\", \"\", 0}\n";
for (int i = 1; i < NumMethods; i++) {
// TODO: 1) method selector name may hav to go into their own section
// 2) encode method types for use here (which may have to go into
// __meth_var_types section, 3) Need method address as 3rd initializer.
Result += "\t,(SEL)\"" + Methods[i]->getSelector().getName() +
"\", \"\", 0\n";
}
Result += "};\n";
Result += "\t ,{(SEL)\"";
Result += Methods[i]->getSelector().getName().c_str();
Result += "\", \"\", 0}\n";
}
Result += "\t }\n};\n";
}
}
@ -416,7 +429,8 @@ void RewriteTest::RewriteObjcMethodsMetaData(ObjcMethodDecl **Methods,
void RewriteTest::RewriteObjcProtocolsMetaData(ObjcProtocolDecl **Protocols,
int NumProtocols,
const char *prefix,
const char *ClassName) {
const char *ClassName,
std::string &Result) {
static bool objc_protocol_methods = false;
if (NumProtocols > 0) {
for (int i = 0; i < NumProtocols; i++) {
@ -430,53 +444,72 @@ void RewriteTest::RewriteObjcProtocolsMetaData(ObjcProtocolDecl **Protocols,
char *method_types;
}
*/
printf("\nstruct protocol_methods {\n");
printf("\tSEL _cmd;\n");
printf("\tchar *method_types;\n");
printf("};\n");
Result += "\nstruct protocol_methods {\n";
Result += "\tSEL _cmd;\n";
Result += "\tchar *method_types;\n";
Result += "};\n";
/* struct _objc_protocol_method_list {
int protocol_method_count;
struct protocol_methods protocols[];
}
*/
Result += "\nstruct _objc_protocol_method_list {\n";
Result += "\tint protocol_method_count;\n";
Result += "\tstruct protocol_methods protocols[];\n};\n";
objc_protocol_methods = true;
}
// Output instance methods declared in this protocol.
/* struct _objc_protocol_method_list {
int protocol_method_count;
struct protocol_methods protocols[protocol_method_count];
}
*/
int NumMethods = PDecl->getNumInstanceMethods();
if (NumMethods > 0) {
printf("\nstatic struct {\n");
printf("\tint protocol_method_count;\n");
printf("\tstruct protocol_methods protocols[%d];\n", NumMethods);
printf("} _OBJC_PROTOCOL_INSTANCE_METHODS_%s "
"__attribute__ ((section (\"__OBJC, __cat_inst_meth\")))= "
"{\n\t%d\n",PDecl->getName(), NumMethods);
Result += "\nstatic struct _objc_protocol_method_list "
"_OBJC_PROTOCOL_INSTANCE_METHODS_";
Result += PDecl->getName();
Result += " __attribute__ ((section (\"__OBJC, __cat_inst_meth\")))= "
"{\n\t" + utostr(NumMethods) + "\n";
ObjcMethodDecl **Methods = PDecl->getInstanceMethods();
for (int i = 0; i < NumMethods; i++)
Result += "\t,{{(SEL)\"";
Result += Methods[0]->getSelector().getName().c_str();
Result += "\", \"\"}\n";
for (int i = 1; i < NumMethods; i++) {
// TODO: 1) method selector name may hav to go into their own section
// 2) encode method types for use here (which may have to go into
// __meth_var_types section.
printf("\t,(SEL)\"%s\", \"\"\n",
Methods[i]->getSelector().getName().c_str());
printf("};\n");
Result += "\t ,{(SEL)\"";
Result += Methods[i]->getSelector().getName().c_str();
Result += "\", \"\"}\n";
}
Result += "\t }\n};\n";
}
// Output class methods declared in this protocol.
NumMethods = PDecl->getNumClassMethods();
if (NumMethods > 0) {
printf("\nstatic struct {\n");
printf("\tint protocol_method_count;\n");
printf("\tstruct protocol_methods protocols[%d];\n", NumMethods);
printf("} _OBJC_PROTOCOL_CLASS_METHODS_%s "
"__attribute__ ((section (\"__OBJC, __cat_cls_meth\")))= "
"{\n\t%d\n",PDecl->getName(), NumMethods);
Result += "\nstatic struct _objc_protocol_method_list "
"_OBJC_PROTOCOL_CLASS_METHODS_";
Result += PDecl->getName();
Result += " __attribute__ ((section (\"__OBJC, __cat_cls_meth\")))= "
"{\n\t";
Result += utostr(NumMethods);
Result += "\n";
ObjcMethodDecl **Methods = PDecl->getClassMethods();
for (int i = 0; i < NumMethods; i++)
Result += "\t,{{(SEL)\"";
Result += Methods[0]->getSelector().getName().c_str();
Result += "\", \"\"}\n";
for (int i = 1; i < NumMethods; i++) {
// TODO: 1) method selector name may hav to go into their own section
// 2) encode method types for use here (which may have to go into
// __meth_var_types section.
printf("\t,(SEL)\"%s\", \"\"\n",
Methods[i]->getSelector().getName().c_str());
printf("};\n");
Result += "\t ,{(SEL)\"";
Result += Methods[i]->getSelector().getName().c_str();
Result += "\", \"\"}\n";
}
Result += "\t }\n};\n";
}
// Output:
/* struct _objc_protocol {
@ -484,64 +517,84 @@ void RewriteTest::RewriteObjcProtocolsMetaData(ObjcProtocolDecl **Protocols,
struct _objc_protocol_extension *isa;
char *protocol_name;
struct _objc_protocol **protocol_list;
struct _objc__method_prototype_list *instance_methods;
struct _objc__method_prototype_list *class_methods;
struct _objc_protocol_method_list *instance_methods;
struct _objc_protocol_method_list *class_methods;
};
*/
static bool objc_protocol = false;
if (!objc_protocol) {
printf("\nstruct _objc_protocol {\n");
printf("\tstruct _objc_protocol_extension *isa;\n");
printf("\tchar *protocol_name;\n");
printf("\tstruct _objc_protocol **protocol_list;\n");
printf("\tstruct _objc__method_prototype_list *instance_methods;\n");
printf("\tstruct _objc__method_prototype_list *class_methods;\n");
printf("};\n");
Result += "\nstruct _objc_protocol {\n";
Result += "\tstruct _objc_protocol_extension *isa;\n";
Result += "\tchar *protocol_name;\n";
Result += "\tstruct _objc_protocol **protocol_list;\n";
Result += "\tstruct _objc_protocol_method_list *instance_methods;\n";
Result += "\tstruct _objc_protocol_method_list *class_methods;\n";
Result += "};\n";
/* struct _objc_protocol_list {
struct _objc_protocol_list *next;
int protocol_count;
struct _objc_protocol *class_protocols[];
}
*/
Result += "\nstruct _objc_protocol_list {\n";
Result += "\tstruct _objc_protocol_list *next;\n";
Result += "\tint protocol_count;\n";
Result += "\tstruct _objc_protocol *class_protocols[];\n";
Result += "};\n";
objc_protocol = true;
}
printf("\nstatic struct _objc_protocol _OBJC_PROTOCOL_%s "
"__attribute__ ((section (\"__OBJC, __protocol\")))= "
"{\n\t0, \"%s\", 0, ", PDecl->getName(), PDecl->getName());
if (PDecl->getInstanceMethods() > 0)
printf("(struct _objc__method_prototype_list *)"
"&_OBJC_PROTOCOL_INSTANCE_METHODS_%s, ", PDecl->getName());
Result += "\nstatic struct _objc_protocol _OBJC_PROTOCOL_";
Result += PDecl->getName();
Result += " __attribute__ ((section (\"__OBJC, __protocol\")))= "
"{\n\t0, \"";
Result += PDecl->getName();
Result += "\", 0, ";
if (PDecl->getInstanceMethods() > 0) {
Result += "&_OBJC_PROTOCOL_INSTANCE_METHODS_";
Result += PDecl->getName();
Result += ", ";
}
else
printf("0, ");
if (PDecl->getClassMethods() > 0)
printf("(struct _objc__method_prototype_list *)"
"&_OBJC_PROTOCOL_CLASS_METHODS_%s\n", PDecl->getName());
Result += "0, ";
if (PDecl->getClassMethods() > 0) {
Result += "&_OBJC_PROTOCOL_CLASS_METHODS_";
Result += PDecl->getName();
Result += "\n";
}
else
printf("0\n");
printf("};\n");
Result += "0\n";
Result += "};\n";
}
// Output the top lovel protocol meta-data for the class.
/* struct _objc_protocol_list {
struct _objc_protocol_list *next;
int protocol_count;
struct _objc_protocol *class_protocols[protocol_count];
}
*/
printf("\nstatic struct {\n");
printf("\tstruct _objc_protocol_list *next;\n");
printf("\tint protocol_count;\n");
printf("\tstruct _objc_protocol *class_protocols[%d];\n"
"} _OBJC_%s_PROTOCOLS_%s "
"__attribute__ ((section (\"__OBJC, __cat_cls_meth\")))= "
"{\n\t0, %d\n",NumProtocols, prefix,
ClassName, NumProtocols);
for (int i = 0; i < NumProtocols; i++) {
Result += "\nstatic struct _objc_protocol_list _OBJC_";
Result += prefix;
Result += "_PROTOCOLS_";
Result += ClassName;
Result += " __attribute__ ((section (\"__OBJC, __cat_cls_meth\")))= "
"{\n\t0, ";
Result += utostr(NumProtocols);
Result += "\n";
Result += "\t,{&_OBJC_PROTOCOL_";
Result += Protocols[0]->getName();
Result += " \n";
for (int i = 1; i < NumProtocols; i++) {
ObjcProtocolDecl *PDecl = Protocols[i];
printf("\t,&_OBJC_PROTOCOL_%s \n",
PDecl->getName());
Result += "\t ,&_OBJC_PROTOCOL_";
Result += PDecl->getName();
Result += "\n";
}
printf("};\n");
Result += "\t }\n};\n";
}
}
/// RewriteObjcCategoryImplDecl - Rewrite metadata for each category
/// implementation.
void RewriteTest::RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *IDecl) {
void RewriteTest::RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *IDecl,
std::string &Result) {
ObjcInterfaceDecl *ClassDecl = IDecl->getClassInterface();
// Find category declaration for this implementation.
ObjcCategoryDecl *CDecl;
@ -555,29 +608,23 @@ void RewriteTest::RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *IDecl) {
strlen(ClassDecl->getName()) + strlen(IDecl->getName()) + 2);
sprintf(FullCategoryName, "%s_%s", ClassDecl->getName(), IDecl->getName());
std::string ResultStr;
// Build _objc_method_list for class's instance methods if needed
RewriteObjcMethodsMetaData(IDecl->getInstanceMethods(),
IDecl->getNumInstanceMethods(),
true,
"CATEGORY_", FullCategoryName, ResultStr);
"CATEGORY_", FullCategoryName, Result);
// Build _objc_method_list for class's class methods if needed
RewriteObjcMethodsMetaData(IDecl->getClassMethods(),
IDecl->getNumClassMethods(),
false,
"CATEGORY_", FullCategoryName, ResultStr);
// For now just print the string out. It should be passed to the other
// functions to collect all metadata info into the string.
printf("%s", ResultStr.c_str());
"CATEGORY_", FullCategoryName, Result);
// Protocols referenced in class declaration?
RewriteObjcProtocolsMetaData(CDecl->getReferencedProtocols(),
CDecl->getNumReferencedProtocols(),
"CATEGORY",
FullCategoryName);
FullCategoryName, Result);
/* struct _objc_category {
char *category_name;
@ -594,48 +641,58 @@ void RewriteTest::RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *IDecl) {
static bool objc_category = false;
if (!objc_category) {
printf("\nstruct _objc_category {\n");
printf("\tchar *category_name;\n");
printf("\tchar *class_name;\n");
printf("\tstruct _objc_method_list *instance_methods;\n");
printf("\tstruct _objc_method_list *class_methods;\n");
printf("\tstruct _objc_protocol_list *protocols;\n");
printf("\tunsigned int size;\n");
printf("\tstruct _objc_property_list *instance_properties;\n");
printf("};\n");
Result += "\nstruct _objc_category {\n";
Result += "\tchar *category_name;\n";
Result += "\tchar *class_name;\n";
Result += "\tstruct _objc_method_list *instance_methods;\n";
Result += "\tstruct _objc_method_list *class_methods;\n";
Result += "\tstruct _objc_protocol_list *protocols;\n";
Result += "\tunsigned int size;\n";
Result += "\tstruct _objc_property_list *instance_properties;\n";
Result += "};\n";
objc_category = true;
}
printf("\nstatic struct _objc_category _OBJC_CATEGORY_%s "
"__attribute__ ((section (\"__OBJC, __category\")))= {\n"
"\t\"%s\"\n\t, \"%s\"\n",FullCategoryName,
IDecl->getName(),
ClassDecl->getName());
if (IDecl->getNumInstanceMethods() > 0)
printf("\t, (struct _objc_method_list *)"
"&_OBJC_CATEGORY_INSTANCE_METHODS_%s\n",
FullCategoryName);
else
printf("\t, 0\n");
if (IDecl->getNumClassMethods() > 0)
printf("\t, (struct _objc_method_list *)"
"&_OBJC_CATEGORY_CLASS_METHODS_%s\n",
FullCategoryName);
else
printf("\t, 0\n");
Result += "\nstatic struct _objc_category _OBJC_CATEGORY_";
Result += FullCategoryName;
Result += " __attribute__ ((section (\"__OBJC, __category\")))= {\n\t\"";
Result += IDecl->getName();
Result += "\"\n\t, \"";
Result += ClassDecl->getName();
Result += "\"\n";
if (CDecl->getNumReferencedProtocols() > 0)
printf("\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_%s\n",
FullCategoryName);
if (IDecl->getNumInstanceMethods() > 0) {
Result += "\t, (struct _objc_method_list *)"
"&_OBJC_CATEGORY_INSTANCE_METHODS_";
Result += FullCategoryName;
Result += "\n";
}
else
printf("\t, 0\n");
printf("\t, sizeof(struct _objc_category), 0\n};\n");
Result += "\t, 0\n";
if (IDecl->getNumClassMethods() > 0) {
Result += "\t, (struct _objc_method_list *)"
"&_OBJC_CATEGORY_CLASS_METHODS_";
Result += FullCategoryName;
Result += "\n";
}
else
Result += "\t, 0\n";
if (CDecl->getNumReferencedProtocols() > 0) {
Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_";
Result += FullCategoryName;
Result += "\n";
}
else
Result += "\t, 0\n";
Result += "\t, sizeof(struct _objc_category), 0\n};\n";
}
//===----------------------------------------------------------------------===//
// Meta Data Emission
//===----------------------------------------------------------------------===//
void RewriteTest::RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl) {
void RewriteTest::RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl,
std::string &Result) {
ObjcInterfaceDecl *CDecl = IDecl->getClassInterface();
// Build _objc_ivar_list metadata for classes ivars if needed
@ -652,57 +709,64 @@ void RewriteTest::RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl) {
int ivar_offset;
};
*/
printf("\nstruct _objc_ivar {\n");
printf("\tchar *ivar_name;\n");
printf("\tchar *ivar_type;\n");
printf("\tint ivar_offset;\n");
printf("};\n");
Result += "\nstruct _objc_ivar {\n";
Result += "\tchar *ivar_name;\n";
Result += "\tchar *ivar_type;\n";
Result += "\tint ivar_offset;\n";
Result += "};\n";
/* struct _objc_ivar_list {
int ivar_count;
struct _objc_ivar ivar_list[];
};
*/
Result += "\nstruct _objc_ivar_list {\n";
Result += "\tint ivar_count;\n";
Result += "\tstruct _objc_ivar ivar_list[];\n};\n";
objc_ivar = true;
}
/* struct _objc_ivar_list {
int ivar_count;
struct _objc_ivar ivar_list[ivar_count];
};
*/
printf("\nstatic struct {\n");
printf("\tint ivar_count;\n");
printf("\tstruct _objc_ivar ivar_list[%d];\n", NumIvars);
printf("} _OBJC_INSTANCE_VARIABLES_%s "
"__attribute__ ((section (\"__OBJC, __instance_vars\")))= "
"{\n\t%d\n",IDecl->getName(),
NumIvars);
Result += "\nstatic struct _objc_ivar_list _OBJC_INSTANCE_VARIABLES_";
Result += IDecl->getName();
Result += " __attribute__ ((section (\"__OBJC, __instance_vars\")))= "
"{\n\t";
Result += utostr(NumIvars);
Result += "\n";
ObjcIvarDecl **Ivars = IDecl->getImplDeclIVars()
? IDecl->getImplDeclIVars()
: CDecl->getIntfDeclIvars();
for (int i = 0; i < NumIvars; i++)
Result += "\t,{{\"";
Result += Ivars[0]->getName();
Result += "\", \"\", 0}\n";
for (int i = 1; i < NumIvars; i++) {
// TODO: 1) ivar names may have to go to another section. 2) encode
// ivar_type type of each ivar . 3) compute and add ivar offset.
printf("\t,\"%s\", \"\", 0\n", Ivars[i]->getName());
printf("};\n");
Result += "\t ,{\"";
Result += Ivars[i]->getName();
Result += "\", \"\", 0}\n";
}
Result += "\t }\n};\n";
}
std::string ResultStr;
// Build _objc_method_list for class's instance methods if needed
RewriteObjcMethodsMetaData(IDecl->getInstanceMethods(),
IDecl->getNumInstanceMethods(),
true, "", IDecl->getName(), ResultStr);
true,
"", IDecl->getName(), Result);
// Build _objc_method_list for class's class methods if needed
RewriteObjcMethodsMetaData(IDecl->getClassMethods(),
IDecl->getNumClassMethods(),
false, "", IDecl->getName(), ResultStr);
// For now just print the string out. It should be passed to the other
// functions to collect all metadata info into the string.
printf("%s", ResultStr.c_str());
false,
"", IDecl->getName(), Result);
// Protocols referenced in class declaration?
RewriteObjcProtocolsMetaData(CDecl->getReferencedProtocols(),
CDecl->getNumIntfRefProtocols(),
"CLASS",
CDecl->getName());
CDecl->getName(), Result);
// Declaration of class/meta-class metadata
@ -723,20 +787,20 @@ void RewriteTest::RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl) {
*/
static bool objc_class = false;
if (!objc_class) {
printf("\nstruct _objc_class {\n");
printf("\tstruct _objc_class *isa;\n");
printf("\tconst char *super_class_name;\n");
printf("\tchar *name;\n");
printf("\tlong version;\n");
printf("\tlong info;\n");
printf("\tlong instance_size;\n");
printf("\tstruct _objc_ivar_list *ivars;\n");
printf("\tstruct _objc_method_list *methods;\n");
printf("\tstruct objc_cache *cache;\n");
printf("\tstruct _objc_protocol_list *protocols;\n");
printf("\tconst char *ivar_layout;\n");
printf("\tstruct _objc_class_ext *ext;\n");
printf("};\n");
Result += "\nstruct _objc_class {\n";
Result += "\tstruct _objc_class *isa;\n";
Result += "\tconst char *super_class_name;\n";
Result += "\tchar *name;\n";
Result += "\tlong version;\n";
Result += "\tlong info;\n";
Result += "\tlong instance_size;\n";
Result += "\tstruct _objc_ivar_list *ivars;\n";
Result += "\tstruct _objc_method_list *methods;\n";
Result += "\tstruct objc_cache *cache;\n";
Result += "\tstruct _objc_protocol_list *protocols;\n";
Result += "\tconst char *ivar_layout;\n";
Result += "\tstruct _objc_class_ext *ext;\n";
Result += "};\n";
objc_class = true;
}
@ -749,60 +813,90 @@ void RewriteTest::RewriteObjcClassMetaData(ObjcImplementationDecl *IDecl) {
}
SuperClass = CDecl->getSuperClass();
printf("\nstatic struct _objc_class _OBJC_METACLASS_%s "
"__attribute__ ((section (\"__OBJC, __meta_class\")))= "
"{\n\t(struct _objc_class *)\"%s\"",
CDecl->getName(), RootClass ? RootClass->getName()
: CDecl->getName());
if (SuperClass)
printf(", \"%s\", \"%s\"", SuperClass->getName(), CDecl->getName());
else
printf(", 0, \"%s\"", CDecl->getName());
Result += "\nstatic struct _objc_class _OBJC_METACLASS_";
Result += CDecl->getName();
Result += " __attribute__ ((section (\"__OBJC, __meta_class\")))= "
"{\n\t(struct _objc_class *)\"";
Result += (RootClass ? RootClass->getName() : CDecl->getName());
Result += "\"";
if (SuperClass) {
Result += ", \"";
Result += SuperClass->getName();
Result += "\", \"";
Result += CDecl->getName();
Result += "\"";
}
else {
Result += ", 0, \"";
Result += CDecl->getName();
Result += "\"";
}
// TODO: 'ivars' field for root class is currently set to 0.
// 'info' field is initialized to CLS_META(2) for metaclass
printf(", 0,2, sizeof(struct _objc_class), 0");
if (CDecl->getNumClassMethods() > 0)
printf("\n\t, (struct _objc_method_list *)&_OBJC_CLASS_METHODS_%s\n",
CDecl->getName());
Result += ", 0,2, sizeof(struct _objc_class), 0";
if (CDecl->getNumClassMethods() > 0) {
Result += "\n\t, &_OBJC_CLASS_METHODS_";
Result += CDecl->getName();
Result += "\n";
}
else
printf(", 0\n");
if (CDecl->getNumIntfRefProtocols() > 0)
printf("\t,0,(struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_%s,0,0\n",
CDecl->getName());
Result += ", 0\n";
if (CDecl->getNumIntfRefProtocols() > 0) {
Result += "\t,0, &_OBJC_CLASS_PROTOCOLS_";
Result += CDecl->getName();
Result += ",0,0\n";
}
else
printf("\t,0,0,0,0\n");
printf("};\n");
Result += "\t,0,0,0,0\n";
Result += "};\n";
// class metadata generation.
printf("\nstatic struct _objc_class _OBJC_CLASS_%s "
"__attribute__ ((section (\"__OBJC, __class\")))= "
"{\n\t&_OBJC_METACLASS_%s", CDecl->getName(), CDecl->getName());
if (SuperClass)
printf(", \"%s\", \"%s\"", SuperClass->getName(), CDecl->getName());
else
printf(", 0, \"%s\"", CDecl->getName());
Result += "\nstatic struct _objc_class _OBJC_CLASS_";
Result += CDecl->getName();
Result += " __attribute__ ((section (\"__OBJC, __class\")))= "
"{\n\t&_OBJC_METACLASS_";
Result += CDecl->getName();
if (SuperClass) {
Result += ", \"";
Result += SuperClass->getName();
Result += "\", \"";
Result += CDecl->getName();
Result += "\"";
}
else {
Result += ", 0, \"";
Result += CDecl->getName();
Result += "\"";
}
// 'info' field is initialized to CLS_CLASS(1) for class
// TODO: instance_size is curently set to 0.
printf(", 0,1,0");
if (NumIvars > 0)
printf(", (struct _objc_ivar_list *)&_OBJC_INSTANCE_VARIABLES_%s\n\t",
CDecl->getName());
Result += ", 0,1,0";
if (NumIvars > 0) {
Result += ", &_OBJC_INSTANCE_VARIABLES_";
Result += CDecl->getName();
Result += "\n\t";
}
else
printf(",0");
if (IDecl->getNumInstanceMethods() > 0)
printf(", (struct _objc_method_list*)&_OBJC_INSTANCE_METHODS_%s, 0\n\t",
CDecl->getName());
Result += ",0";
if (IDecl->getNumInstanceMethods() > 0) {
Result += ", &_OBJC_INSTANCE_METHODS_";
Result += CDecl->getName();
Result += ", 0\n\t";
}
else
printf(",0,0");
if (CDecl->getNumIntfRefProtocols() > 0)
printf(", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_%s, 0,0\n",
CDecl->getName());
Result += ",0,0";
if (CDecl->getNumIntfRefProtocols() > 0) {
Result += ", &_OBJC_CLASS_PROTOCOLS_";
Result += CDecl->getName();
Result += ", 0,0\n";
}
else
printf(",0,0,0\n");
printf("};\n");
Result += ",0,0,0\n";
Result += "};\n";
}
void RewriteTest::WriteObjcMetaData() {
void RewriteTest::WriteObjcMetaData(std::string &Result) {
int ClsDefCount = ClassImplementation.size();
int CatDefCount = CategoryImplementation.size();
if (ClsDefCount == 0 && CatDefCount == 0)
@ -810,15 +904,15 @@ void RewriteTest::WriteObjcMetaData() {
// TODO: This is temporary until we decide how to access objc types in a
// c program
printf("\n#include <Objc/objc.h>\n");
Result += "\n#include <Objc/objc.h>\n";
// For each implemented class, write out all its meta data.
for (int i = 0; i < ClsDefCount; i++)
RewriteObjcClassMetaData(ClassImplementation[i]);
RewriteObjcClassMetaData(ClassImplementation[i], Result);
// For each implemented category, write out all its meta data.
for (int i = 0; i < CatDefCount; i++)
RewriteObjcCategoryImplDecl(CategoryImplementation[i]);
RewriteObjcCategoryImplDecl(CategoryImplementation[i], Result);
// Write objc_symtab metadata
/*
@ -832,26 +926,33 @@ void RewriteTest::WriteObjcMetaData() {
};
*/
printf("\nstruct _objc_symtab {\n");
printf("\tlong sel_ref_cnt;\n");
printf("\tSEL *refs;\n");
printf("\tshort cls_def_cnt;\n");
printf("\tshort cat_def_cnt;\n");
printf("\tvoid *defs[%d];\n", ClsDefCount + CatDefCount);
printf("};\n\n");
Result += "\nstruct _objc_symtab {\n";
Result += "\tlong sel_ref_cnt;\n";
Result += "\tSEL *refs;\n";
Result += "\tshort cls_def_cnt;\n";
Result += "\tshort cat_def_cnt;\n";
Result += "\tvoid *defs[" + utostr(ClsDefCount + CatDefCount)+ "];\n";
Result += "};\n\n";
printf("static struct _objc_symtab "
"_OBJC_SYMBOLS __attribute__((section (\"__OBJC, __symbols\")))= {\n");
printf("\t0, 0, %d, %d\n", ClsDefCount, CatDefCount);
for (int i = 0; i < ClsDefCount; i++)
printf("\t,&_OBJC_CLASS_%s\n", ClassImplementation[i]->getName());
Result += "static struct _objc_symtab "
"_OBJC_SYMBOLS __attribute__((section (\"__OBJC, __symbols\")))= {\n";
Result += "\t0, 0, " + utostr(ClsDefCount)
+ ", " + utostr(CatDefCount) + "\n";
for (int i = 0; i < ClsDefCount; i++) {
Result += "\t,&_OBJC_CLASS_";
Result += ClassImplementation[i]->getName();
Result += "\n";
}
for (int i = 0; i < CatDefCount; i++)
printf("\t,&_OBJC_CATEGORY_%s_%s\n",
CategoryImplementation[i]->getClassInterface()->getName(),
CategoryImplementation[i]->getName());
for (int i = 0; i < CatDefCount; i++) {
Result += "\t,&_OBJC_CATEGORY_";
Result += CategoryImplementation[i]->getClassInterface()->getName();
Result += "_";
Result += CategoryImplementation[i]->getName();
Result += "\n";
}
printf("};\n\n");
Result += "};\n\n";
// Write objc_module metadata
@ -864,15 +965,15 @@ void RewriteTest::WriteObjcMetaData() {
}
*/
printf("\nstruct _objc_module {\n");
printf("\tlong version;\n");
printf("\tlong size;\n");
printf("\tconst char *name;\n");
printf("\tstruct _objc_symtab *symtab;\n");
printf("};\n\n");
printf("static struct _objc_module "
"_OBJC_MODULES __attribute__ ((section (\"__OBJC, __module_info\")))= {\n");
printf("\t%d, sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n", OBJC_ABI_VERSION);
printf("};\n\n");
Result += "\nstruct _objc_module {\n";
Result += "\tlong version;\n";
Result += "\tlong size;\n";
Result += "\tconst char *name;\n";
Result += "\tstruct _objc_symtab *symtab;\n";
Result += "};\n\n";
Result += "static struct _objc_module "
"_OBJC_MODULES __attribute__ ((section (\"__OBJC, __module_info\")))= {\n";
Result += "\t" + utostr(OBJC_ABI_VERSION) + ", sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n";
Result += "};\n\n";
}

View File

@ -753,6 +753,7 @@
08FB7793FE84155DC02AAC07 /* Project object */ = {
isa = PBXProject;
buildConfigurationList = 1DEB923508733DC60010E9CD /* Build configuration list for PBXProject "clang" */;
compatibilityVersion = "Xcode 2.4";
hasScannedForEncodings = 1;
mainGroup = 08FB7794FE84155DC02AAC07 /* clang */;
projectDirPath = "";