80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
/*jslint sub: true, vars: true, nomen: true, plusplus: true, maxerr: 50, indent: 4 */
|
|
/*global plt*/
|
|
|
|
// Modules
|
|
(function (baselib, plt) {
|
|
'use strict';
|
|
var exports = {};
|
|
baselib.modules = exports;
|
|
|
|
|
|
var ModuleRecord = function (name, label) {
|
|
this.name = name;
|
|
this.label = label;
|
|
this.isInvoked = false;
|
|
this.prefix = false;
|
|
this.namespace = {};
|
|
|
|
// JavaScript-implemented code will assign privateExports
|
|
// with all of the exported identifiers.
|
|
this.privateExports = {};
|
|
};
|
|
|
|
// Returns access to the names defined in the module.
|
|
ModuleRecord.prototype.getNamespace = function () {
|
|
return this.namespace;
|
|
};
|
|
|
|
ModuleRecord.prototype.finalizeModuleInvokation = function () {
|
|
var i, len = this.prefix.names.length;
|
|
for (i = 0; i < len; i++) {
|
|
this.namespace[this.prefix.names[i]] = this.prefix[i];
|
|
}
|
|
};
|
|
|
|
|
|
// External invokation of a module.
|
|
ModuleRecord.prototype.invoke = function (MACHINE, succ, fail) {
|
|
this._invoke(false, MACHINE, succ, fail);
|
|
};
|
|
|
|
// Internal invokation of a module.
|
|
ModuleRecord.prototype.internalInvoke = function (MACHINE, succ, fail) {
|
|
this._invoke(true, MACHINE, succ, fail);
|
|
};
|
|
|
|
// Private: general invokation of a module
|
|
ModuleRecord.prototype._invoke = function (isInternal, MACHINE, succ, fail) {
|
|
var that = this;
|
|
MACHINE = MACHINE || plt.runtime.currentMachine;
|
|
succ = succ || function () {};
|
|
fail = fail || function () {};
|
|
|
|
var oldErrorHandler = MACHINE.params['currentErrorHandler'];
|
|
var afterGoodInvoke = function (MACHINE) {
|
|
MACHINE.params['currentErrorHandler'] = oldErrorHandler;
|
|
succ();
|
|
};
|
|
|
|
if (this.isInvoked) {
|
|
succ();
|
|
} else {
|
|
MACHINE.params['currentErrorHandler'] = function (MACHINE, anError) {
|
|
MACHINE.params['currentErrorHandler'] = oldErrorHandler;
|
|
fail(MACHINE, anError);
|
|
};
|
|
MACHINE.control.push(new plt.baselib.frames.CallFrame(afterGoodInvoke, null));
|
|
if (isInternal) {
|
|
throw that.label;
|
|
} else {
|
|
MACHINE.trampoline(that.label);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
exports.ModuleRecord = ModuleRecord;
|
|
|
|
|
|
}(this.plt.baselib, this.plt)); |