iotjs_bufferwrap_t* iotjs_bufferwrap_from_jbuiltin(
const iotjs_jval_t* jbuiltin) {
IOTJS_ASSERT(iotjs_jval_is_object(jbuiltin));
iotjs_bufferwrap_t* buffer =
(iotjs_bufferwrap_t*)iotjs_jval_get_object_native_handle(jbuiltin);
IOTJS_ASSERT(buffer != NULL);
return buffer;
}
iotjs_bufferwrap_t* iotjs_bufferwrap_from_jbuffer(const iotjs_jval_t* jbuffer) {
IOTJS_ASSERT(iotjs_jval_is_object(jbuffer));
iotjs_jval_t jbuiltin =
iotjs_jval_get_property(jbuffer, IOTJS_MAGIC_STRING__BUILTIN);
iotjs_bufferwrap_t* buffer = iotjs_bufferwrap_from_jbuiltin(&jbuiltin);
iotjs_jval_destroy(&jbuiltin);
return buffer;
}
uintptr_t iotjs_jval_get_object_native_handle(const iotjs_jval_t* jobj) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jobj);
IOTJS_ASSERT(iotjs_jval_is_object(jobj));
uintptr_t ptr;
jerry_get_object_native_handle(_this->value, &ptr);
return ptr;
}
void iotjs_jval_set_object_native_handle(const iotjs_jval_t* jobj,
uintptr_t ptr,
JFreeHandlerType free_handler) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jobj);
IOTJS_ASSERT(iotjs_jval_is_object(jobj));
jerry_set_object_native_handle(_this->value, ptr, free_handler);
}
void iotjs_jval_set_method(const iotjs_jval_t* jobj, const char* name,
JHandlerType handler) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jobj);
IOTJS_ASSERT(iotjs_jval_is_object(jobj));
iotjs_jval_t jfunc = iotjs_jval_create_function(handler);
iotjs_jval_set_property_jval(jobj, name, &jfunc);
iotjs_jval_destroy(&jfunc);
}
void iotjs_jval_set_property_by_index(const iotjs_jval_t* jarr, uint32_t idx,
const iotjs_jval_t* jval) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jarr);
IOTJS_ASSERT(iotjs_jval_is_object(jarr));
jerry_value_t value = iotjs_jval_as_raw(jval);
jerry_value_t ret_val = jerry_set_property_by_index(_this->value, idx, value);
IOTJS_ASSERT(!jerry_value_has_error_flag(ret_val));
jerry_release_value(ret_val);
}
void iotjs_jval_set_property_jval(const iotjs_jval_t* jobj, const char* name,
const iotjs_jval_t* val) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jobj);
IOTJS_ASSERT(iotjs_jval_is_object(jobj));
jerry_value_t prop_name = jerry_create_string((const jerry_char_t*)(name));
jerry_value_t value = iotjs_jval_as_raw(val);
jerry_value_t ret_val = jerry_set_property(_this->value, prop_name, value);
jerry_release_value(prop_name);
IOTJS_ASSERT(!jerry_value_has_error_flag(ret_val));
jerry_release_value(ret_val);
}
iotjs_jval_t iotjs_jval_get_property_by_index(const iotjs_jval_t* jarr,
uint32_t idx) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jarr);
IOTJS_ASSERT(iotjs_jval_is_object(jarr));
jerry_value_t res = jerry_get_property_by_index(_this->value, idx);
if (jerry_value_has_error_flag(res)) {
jerry_release_value(res);
return iotjs_jval_create_copied(iotjs_jval_get_undefined());
}
return iotjs_jval_create_raw(res);
}
void iotjs_binding_initialize() {
jundefined = iotjs_jval_create_raw(jerry_create_undefined());
jnull = iotjs_jval_create_raw(jerry_create_null());
jtrue = iotjs_jval_create_raw(jerry_create_boolean(true));
jfalse = iotjs_jval_create_raw(jerry_create_boolean(false));
jglobal = iotjs_jval_create_raw(jerry_get_global_object());
IOTJS_ASSERT(iotjs_jval_is_object(&jglobal));
iotjs_jargs_initialize_empty(&jargs_empty);
#ifdef NDEBUG
assert(sizeof(iotjs_jval_t) == sizeof(jerry_value_t));
#endif
}
iotjs_jval_t iotjs_jval_get_property(const iotjs_jval_t* jobj,
const char* name) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jobj);
IOTJS_ASSERT(iotjs_jval_is_object(jobj));
jerry_value_t prop_name = jerry_create_string((const jerry_char_t*)(name));
jerry_value_t res = jerry_get_property(_this->value, prop_name);
jerry_release_value(prop_name);
if (jerry_value_has_error_flag(res)) {
jerry_release_value(res);
return iotjs_jval_create_copied(iotjs_jval_get_undefined());
}
return iotjs_jval_create_raw(res);
}
iotjs_jval_t iotjs_bufferwrap_create_buffer(size_t len) {
iotjs_jval_t* jglobal = iotjs_jval_get_global_object();
iotjs_jval_t jbuffer =
iotjs_jval_get_property(jglobal, IOTJS_MAGIC_STRING_BUFFER);
IOTJS_ASSERT(iotjs_jval_is_function(&jbuffer));
iotjs_jargs_t jargs = iotjs_jargs_create(1);
iotjs_jargs_append_number(&jargs, len);
iotjs_jval_t jres =
iotjs_jhelper_call_ok(&jbuffer, iotjs_jval_get_undefined(), &jargs);
IOTJS_ASSERT(iotjs_jval_is_object(&jres));
iotjs_jargs_destroy(&jargs);
iotjs_jval_destroy(&jbuffer);
return jres;
}
iotjs_jval_t iotjs_jhelper_call(const iotjs_jval_t* jfunc,
const iotjs_jval_t* jthis,
const iotjs_jargs_t* jargs, bool* throws) {
IOTJS_ASSERT(iotjs_jval_is_object(jfunc));
jerry_value_t* jargv_ = NULL;
jerry_length_t jargc_ = iotjs_jargs_length(jargs);
#ifdef NDEBUG
jargv_ = (jerry_value_t*)jargs->unsafe.argv;
#else
if (jargc_ > 0) {
unsigned buffer_size = sizeof(iotjs_jval_t) * jargc_;
jargv_ = (jerry_value_t*)iotjs_buffer_allocate(buffer_size);
for (unsigned i = 0; i < jargc_; ++i) {
jargv_[i] = iotjs_jval_as_raw(iotjs_jargs_get(jargs, i));
}
}
#endif
jerry_value_t jfunc_ = iotjs_jval_as_raw(jfunc);
jerry_value_t jthis_ = iotjs_jval_as_raw(jthis);
jerry_value_t res = jerry_call_function(jfunc_, jthis_, jargv_, jargc_);
#ifndef NDEBUG
if (jargv_) {
iotjs_buffer_release((char*)jargv_);
}
#endif
*throws = jerry_value_has_error_flag(res);
jerry_value_clear_error_flag(&res);
return iotjs_jval_create_raw(res);
}
const iotjs_jval_t* iotjs_jval_as_object(const iotjs_jval_t* jval) {
const IOTJS_VALIDATED_STRUCT_METHOD(iotjs_jval_t, jval);
IOTJS_ASSERT(iotjs_jval_is_object(jval));
return jval;
}