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/*global Module*/
/*global HEAP32*/
/*global Pointer_stringify, writeStringToMemory*/
/*global requireRegisteredType*/
var _emval_handle_array = [];
var _emval_free_list = [];
// Public JS API
/** @expose */
Module.count_emval_handles = function() {
return _emval_handle_array.length;
};
// Private C++ API
function __emval_register(value) {
var handle = _emval_free_list.length ?
_emval_free_list.pop() :
_emval_handle_array.length;
_emval_handle_array[handle] = {refcount: 1, value: value};
return handle;
}
function __emval_incref(handle) {
_emval_handle_array[handle].refcount += 1;
}
function __emval_decref(handle) {
if (0 === --_emval_handle_array[handle].refcount) {
delete _emval_handle_array[handle];
_emval_free_list.push(handle);
var actual_length = _emval_handle_array.length;
while (actual_length > 0 && _emval_handle_array[actual_length - 1] === undefined) {
--actual_length;
}
_emval_handle_array.length = actual_length;
}
}
function __emval_new_object() {
return __emval_register({});
}
function __emval_new_long(value) {
return __emval_register(value);
}
function __emval_new_cstring(str) {
return __emval_register(Pointer_stringify(str));
}
function __emval_get_property(handle, k) {
k = Pointer_stringify(k);
return __emval_register(_emval_handle_array[handle].value[k]);
}
function __emval_get_property_by_long(handle, k) {
return __emval_register(_emval_handle_array[handle].value[k]);
}
function __emval_get_property_by_unsigned_long(handle, k) {
return __emval_register(_emval_handle_array[handle].value[k]);
}
function __emval_set_property(handle, k, value) {
k = Pointer_stringify(k);
_emval_handle_array[handle].value[k] = _emval_handle_array[value].value;
}
function __emval_set_property_by_int(handle, k, value) {
_emval_handle_array[handle].value[k] = _emval_handle_array[value].value;
}
function __emval_as(handle, returnType) {
returnType = requireRegisteredType(returnType, 'emval::as');
var destructors = [];
// caller owns destructing
return returnType.toWireType(destructors, _emval_handle_array[handle].value);
}
function __emval_call(handle, argCount, argTypes) {
var args = Array.prototype.slice.call(arguments, 3);
var fn = _emval_handle_array[handle].value;
var a = new Array(argCount);
for (var i = 0; i < argCount; ++i) {
var argType = requireRegisteredType(
HEAP32[(argTypes >> 2) + i],
"parameter " + i);
a[i] = argType.fromWireType(args[i]);
}
var rv = fn.apply(undefined, a);
return __emval_register(rv);
}
function __emval_call_method(handle, name, argCount, argTypes) {
name = Pointer_stringify(name);
var args = Array.prototype.slice.call(arguments, 4);
var obj = _emval_handle_array[handle].value;
var a = new Array(argCount);
for (var i = 0; i < argCount; ++i) {
var argType = requireRegisteredType(
HEAP32[(argTypes >> 2) + i],
"parameter " + i);
a[i] = argType.fromWireType(args[i]);
}
var rv = obj[name].apply(obj, a);
return __emval_register(rv);
}
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