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Refactor Thread.peekParentStackFrame

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This commit is contained in:
Tim Mickel 2016-06-20 14:10:19 -04:00
parent bed3e28c02
commit 6181bcd5cb
1 changed files with 9 additions and 1 deletions
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10
src/engine/thread.js
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@ -103,12 +103,20 @@ Thread.prototype.peekStackFrame = function () {
return this.stackFrames[this.stackFrames.length - 1]; return this.stackFrames[this.stackFrames.length - 1];
}; };
/**
* Get stack frame above the current top.
* @return {?Object} Second to last stack frame stored on this thread.
*/
Thread.prototype.peekParentStackFrame = function () {
return this.stackFrames[this.stackFrames.length - 2];
};
/** /**
* Push a reported value to the parent of the current stack frame. * Push a reported value to the parent of the current stack frame.
* @param {!Any} value Reported value to push. * @param {!Any} value Reported value to push.
*/ */
Thread.prototype.pushReportedValue = function (value) { Thread.prototype.pushReportedValue = function (value) {
var parentStackFrame = this.stackFrames[this.stackFrames.length - 2]; var parentStackFrame = this.peekParentStackFrame();
if (parentStackFrame) { if (parentStackFrame) {
var waitingReporter = parentStackFrame.waitingReporter; var waitingReporter = parentStackFrame.waitingReporter;
parentStackFrame.reported[waitingReporter] = value; parentStackFrame.reported[waitingReporter] = value;