/// Not really a constant string; can be explicitly released...
llvm::Constant *CGObjCJit::GenerateConstantString(const StringLiteral *SL) {
if (isUsable && stringClass) {
void *stringInstance = stringAlloc_imp(stringClass, allocSel);
const llvm::StringRef& literalStringRef(SL->getString());
// Need to get specific class of instance
void *instanceStringClass = _object_getClass(stringInstance);
_imp_t init_imp;
if (!SL->isWide()) {
init_imp = _class_getMethodImplementation(instanceStringClass,
stringInitSel);
stringInstance = init_imp(stringInstance,
stringInitSel,
literalStringRef.data(),
literalStringRef.size(),
4); // NSUTF8StringEncoding = 4 (shouldn't change)
} else { // shouldn't see this anyway; does StringRef support wide?
init_imp = _class_getMethodImplementation(instanceStringClass,
wideStringInitSel);
stringInstance = init_imp(stringInstance,
wideStringInitSel,
literalStringRef.data(),
literalStringRef.size());
}
// If applicable, make sure the string is not freed by the garbage collector
if (defaultCollector) {
disableCollector_imp(defaultCollector,
disableCollectorSel,
stringInstance);
}
// TODO: save string objects to a list?
return llvm::Constant::getIntegerValue(ObjCTypes.ObjectPtrTy,
llvm::APInt(sizeof(void*) * 8,
(uint64_t)stringInstance));
}
return 0;
}
static int init(T *o, lua_State *L) {
return init_imp(o, L, 0);
}