aaac7fed
 liuqimichale
add
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"use strict";
module.exports = function(Promise) {
var longStackTraces = false;
var contextStack = [];
Promise.prototype._promiseCreated = function() {};
Promise.prototype._pushContext = function() {};
Promise.prototype._popContext = function() {return null;};
Promise._peekContext = Promise.prototype._peekContext = function() {};
function Context() {
this._trace = new Context.CapturedTrace(peekContext());
}
Context.prototype._pushContext = function () {
if (this._trace !== undefined) {
this._trace._promiseCreated = null;
contextStack.push(this._trace);
}
};
Context.prototype._popContext = function () {
if (this._trace !== undefined) {
var trace = contextStack.pop();
var ret = trace._promiseCreated;
trace._promiseCreated = null;
return ret;
}
return null;
};
function createContext() {
if (longStackTraces) return new Context();
}
function peekContext() {
var lastIndex = contextStack.length - 1;
if (lastIndex >= 0) {
return contextStack[lastIndex];
}
return undefined;
}
Context.CapturedTrace = null;
Context.create = createContext;
Context.deactivateLongStackTraces = function() {};
Context.activateLongStackTraces = function() {
var Promise_pushContext = Promise.prototype._pushContext;
var Promise_popContext = Promise.prototype._popContext;
var Promise_PeekContext = Promise._peekContext;
var Promise_peekContext = Promise.prototype._peekContext;
var Promise_promiseCreated = Promise.prototype._promiseCreated;
Context.deactivateLongStackTraces = function() {
Promise.prototype._pushContext = Promise_pushContext;
Promise.prototype._popContext = Promise_popContext;
Promise._peekContext = Promise_PeekContext;
Promise.prototype._peekContext = Promise_peekContext;
Promise.prototype._promiseCreated = Promise_promiseCreated;
longStackTraces = false;
};
longStackTraces = true;
Promise.prototype._pushContext = Context.prototype._pushContext;
Promise.prototype._popContext = Context.prototype._popContext;
Promise._peekContext = Promise.prototype._peekContext = peekContext;
Promise.prototype._promiseCreated = function() {
var ctx = this._peekContext();
if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this;
};
};
return Context;
};
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