c9-core/plugins/c9.ide.run.debug/data/scope.js

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2.3 KiB
JavaScript

/**
* Scope class for the Cloud9 Debugger.
* @class debugger.Scope
* @extends debugger.Data
*/
/**
* @property {"scope"} tagName The tag name used for xml serialization of this object.
* @readonly
*/
/**
* @property {Number} index The index of the scope in the set of scopes (of a frame).
*/
/**
* @property {Number} frameIndex The index of the frame this scope belongs to.
*/
/**
* @property {String} type The type of scope (e.g. "global", "local").
*/
/**
* @property {debugger.Variable[]} variables The local variables in this scope.
*/
/**
* Finds a {@link debugger.Variable} object related to this frame.
* @method findVariable
* @param {String} ref The {@link debugger.Variable#ref} property of
* the variable to find.
* @param {String} name The name of the variable to find.
* @param {Array} parents Pass an empty array to receive all the parent
* scopes/variables that lead to the variable that is found.
* @return {debugger.Variable}
*/
define(function(require, exports, module) {
var Data = require("./data");
function Scope(options) {
this.data = options || {};
this.tagName = "scope";
}
Scope.prototype = new Data(
["index", "frameIndex", "type"],
["variables"]
);
Scope.prototype.findVariable = function(ref, name, parents) {
if (ref && typeof ref == "object")
ref = ref.ref;
var vars = this.data.variables || [];
for (var i = 0, l = vars.length; i < l; i++) {
if (vars[i].ref == ref || vars[i].name == name) {
parents && parents.push(this.tagName == "frame"
? new Scope({ index: 0, frameIndex: this.index }) : this);
return vars[i];
}
else if (vars[i].properties) {
var result = vars[i].findVariable(ref, name, parents);
if (result) {
parents && parents.push(vars[i]);
return result;
}
}
}
return false;
};
Scope.prototype.equals = function(scope) {
if (!scope) return false;
return this.data.index == scope.index
&& this.data.frameIndex == scope.frameIndex;
};
module.exports = Scope;
});