Commit d0422855 authored by Romain Courteaud's avatar Romain Courteaud

Add ScopeError

This will simplify error catching.
parent cabb9e43
......@@ -10,6 +10,19 @@
Event, URL) {
"use strict";
/////////////////////////////////////////////////////////////////
// Error
/////////////////////////////////////////////////////////////////
function ScopeError(message) {
this.name = "scopeerror";
if ((message !== undefined) && (typeof message !== "string")) {
throw new TypeError('You must pass a string.');
}
this.message = message || "Scope Error";
}
ScopeError.prototype = new Error();
ScopeError.prototype.constructor = ScopeError;
function ensurePushableQueue(callback, argument_list, context) {
var result;
try {
......@@ -1130,13 +1143,15 @@
.declareMethod('getDeclaredGadget',
function getDeclaredGadget(gadget_scope) {
if (!this.__sub_gadget_dict.hasOwnProperty(gadget_scope)) {
throw new Error("Gadget scope '" + gadget_scope + "' is not known.");
throw new ScopeError("Gadget scope '" + gadget_scope +
"' is not known.");
}
return this.__sub_gadget_dict[gadget_scope];
})
.declareMethod('dropGadget', function dropGadget(gadget_scope) {
if (!this.__sub_gadget_dict.hasOwnProperty(gadget_scope)) {
throw new Error("Gadget scope '" + gadget_scope + "' is not known.");
throw new ScopeError("Gadget scope '" + gadget_scope +
"' is not known.");
}
// http://perfectionkills.com/understanding-delete/
delete this.__sub_gadget_dict[gadget_scope];
......@@ -1453,6 +1468,7 @@
// global
/////////////////////////////////////////////////////////////////
renderJS.Mutex = Mutex;
renderJS.ScopeError = ScopeError;
window.rJS = window.renderJS = renderJS;
window.__RenderJSGadget = RenderJSGadget;
window.__RenderJSEmbeddedGadget = RenderJSEmbeddedGadget;
......
......@@ -5777,7 +5777,7 @@
ok(false, "getDeclaredGadget should fail");
})
.fail(function (e) {
ok(e instanceof Error);
ok(e instanceof rJS.ScopeError);
equal(e.message, "Gadget scope 'foo' is not known.");
})
.always(function () {
......@@ -5820,7 +5820,7 @@
ok(false, "dropGadget should fail");
})
.fail(function (e) {
ok(e instanceof Error);
ok(e instanceof rJS.ScopeError);
equal(e.message, "Gadget scope 'foo' is not known.");
})
.always(function () {
......
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