+ Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
+ Type_privateData *typical(internal->type_);
+
+ ssize_t index;
+ uint8_t *base;
+
+ if (!Index_(pool, internal, property, index, base))
+ return NULL;
+
+ JSObjectRef owner(internal->owner_ ?: object);
+
+ CYTry {
+ return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
+ } CYCatch
+}
+
+static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
+ CYPool pool;
+ Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
+ Type_privateData *typical(internal->type_);
+
+ ssize_t index;
+ uint8_t *base;
+
+ if (!Index_(pool, internal, property, index, base))
+ return false;
+
+ CYTry {
+ CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
+ return true;
+ } CYCatch
+}
+
+static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+ Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
+ Type_privateData *typical(internal->type_);
+ sig::Type *type(typical->type_);
+
+ if (type == NULL)
+ return;
+
+ size_t count(type->data.signature.count);
+ sig::Element *elements(type->data.signature.elements);
+
+ char number[32];
+
+ for (size_t index(0); index != count; ++index) {
+ const char *name;
+ name = elements[index].name;
+
+ if (name == NULL) {
+ sprintf(number, "%lu", index);
+ name = number;
+ }
+
+ JSPropertyNameAccumulatorAddName(names, CYJSString(name));
+ }
+}
+
+JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)()) {
+ CYTry {
+ if (setups + count != signature->count - 1)
+ @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to ffi function" userInfo:nil];
+
+ size_t size(setups + count);
+ void *values[size];
+ memcpy(values, setup, sizeof(void *) * setups);
+
+ for (size_t index(setups); index != size; ++index) {
+ sig::Element *element(&signature->elements[index + 1]);
+ ffi_type *ffi(cif->arg_types[index]);
+ // XXX: alignment?
+ values[index] = new(pool) uint8_t[ffi->size];
+ CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
+ }
+
+ uint8_t value[cif->rtype->size];
+ ffi_call(cif, function, value, values);
+
+ return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
+ } CYCatch
+}
+
+void Closure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
+ ffoData *data(reinterpret_cast<ffoData *>(arg));
+
+ JSContextRef context(data->context_);
+
+ size_t count(data->cif_.nargs);
+ JSValueRef values[count];
+
+ for (size_t index(0); index != count; ++index)
+ values[index] = CYFromFFI(context, data->signature_.elements[1 + index].type, data->cif_.arg_types[index], arguments[index]);
+
+ JSValueRef value(CYCallAsFunction(context, data->function_, NULL, count, values));
+ CYPoolFFI(NULL, context, data->signature_.elements[0].type, data->cif_.rtype, result, value);
+}
+
+JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
+ // XXX: in case of exceptions this will leak
+ ffoData *data(new ffoData(type));
+
+ ffi_closure *closure((ffi_closure *) _syscall(mmap(
+ NULL, sizeof(ffi_closure),
+ PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
+ -1, 0
+ )));
+
+ ffi_status status(ffi_prep_closure(closure, &data->cif_, &Closure_, data));
+ _assert(status == FFI_OK);
+
+ _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
+
+ data->value_ = closure;
+
+ data->context_ = CYGetJSContext();
+ data->function_ = function;
+
+ return JSObjectMake(context, Functor_, data);
+}
+
+static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+ CYTry {
+ CYPool pool;
+ NSString *name(CYCastNSString(pool, property));
+ if (Class _class = NSClassFromString(name))
+ return CYMakeInstance(context, _class, true);
+ return NULL;
+ } CYCatch
+}
+
+static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+ size_t size(objc_getClassList(NULL, 0));
+ Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
+
+ get:
+ size_t writ(objc_getClassList(data, size));
+ if (size < writ) {
+ size = writ;
+ if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
+ data = copy;
+ goto get;
+ } else goto done;
+ }
+
+ for (size_t i(0); i != writ; ++i)
+ JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
+
+ done:
+ free(data);
+}
+
+static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+ const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
+
+ CYTry {
+ CYPool pool;
+ const char *name(CYPoolCString(pool, property));
+ unsigned int size;
+ const char **data(objc_copyClassNamesForImage(internal, &size));
+ JSValueRef value;
+ for (size_t i(0); i != size; ++i)
+ if (strcmp(name, data[i]) == 0) {
+ if (Class _class = objc_getClass(name)) {
+ value = CYMakeInstance(context, _class, true);
+ goto free;
+ } else
+ break;
+ }
+ value = NULL;
+ free:
+ free(data);
+ return value;
+ } CYCatch
+}
+
+static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+ const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
+ unsigned int size;
+ const char **data(objc_copyClassNamesForImage(internal, &size));
+ for (size_t i(0); i != size; ++i)
+ JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
+ free(data);
+}
+
+static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+ CYTry {
+ CYPool pool;
+ const char *name(CYPoolCString(pool, property));
+ unsigned int size;
+ const char **data(objc_copyImageNames(&size));
+ for (size_t i(0); i != size; ++i)
+ if (strcmp(name, data[i]) == 0) {
+ name = data[i];
+ goto free;
+ }
+ name = NULL;
+ free:
+ free(data);
+ if (name == NULL)
+ return NULL;
+ JSObjectRef value(JSObjectMake(context, NULL, NULL));
+ CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
+ return value;
+ } CYCatch
+}
+
+static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+ unsigned int size;
+ const char **data(objc_copyImageNames(&size));
+ for (size_t i(0); i != size; ++i)
+ JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
+ free(data);
+}
+
+static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+ CYTry {
+ CYPool pool;
+ NSString *name(CYCastNSString(pool, property));
+ if (Protocol *protocol = NSProtocolFromString(name))
+ return CYMakeInstance(context, protocol, true);
+ return NULL;
+ } CYCatch
+}
+
+static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+ unsigned int size;
+ Protocol **data(objc_copyProtocolList(&size));
+ for (size_t i(0); i != size; ++i)
+ JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
+ free(data);
+}
+
+static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+ CYTry {
+ CYPool pool;
+ NSString *name(CYCastNSString(pool, property));
+ if (Class _class = NSClassFromString(name))
+ return CYMakeInstance(context, _class, true);
+ if (NSMutableArray *entry = [[Bridge_ objectAtIndex:0] objectForKey:name])
+ switch ([[entry objectAtIndex:0] intValue]) {
+ case 0:
+ return JSEvaluateScript(CYGetJSContext(), CYJSString([entry objectAtIndex:1]), NULL, NULL, 0, NULL);
+ case 1:
+ return CYMakeFunctor(context, reinterpret_cast<void (*)()>([name cy$symbol]), CYPoolCString(pool, [entry objectAtIndex:1]));
+ case 2:
+ // XXX: this is horrendously inefficient
+ sig::Signature signature;
+ sig::Parse(pool, &signature, CYPoolCString(pool, [entry objectAtIndex:1]), &Structor_);
+ ffi_cif cif;
+ sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
+ return CYFromFFI(context, signature.elements[0].type, cif.rtype, [name cy$symbol]);
+ }
+ return NULL;
+ } CYCatch
+}
+
+bool stret(ffi_type *ffi_type) {
+ return ffi_type->type == FFI_TYPE_STRUCT && (
+ ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
+ struct_forward_array[ffi_type->size] != 0
+ );
+}
+
+extern "C" {
+ int *_NSGetArgc(void);
+ char ***_NSGetArgv(void);
+ int UIApplicationMain(int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName);
+}
+
+static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+ CYTry {
+ NSLog(@"%s", CYCastCString(context, arguments[0]));
+ return CYJSUndefined(context);
+ } CYCatch
+}
+
+JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) {
+ const char *type;
+
+ Class _class(object_getClass(self));
+ if (Method method = class_getInstanceMethod(_class, _cmd))
+ type = method_getTypeEncoding(method);
+ else {
+ CYTry {
+ CYPoolTry {
+ NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
+ if (method == nil)
+ @throw [NSException exceptionWithName:NSInvalidArgumentException reason:[NSString stringWithFormat:@"unrecognized selector %s sent to object %p", sel_getName(_cmd), self] userInfo:nil];
+ type = CYPoolCString(pool, [method _typeString]);
+ } CYPoolCatch(NULL)
+ } CYCatch
+ }
+
+ void *setup[2];
+ setup[0] = &self;
+ setup[1] = &_cmd;
projects / cycript.git / blobdiff