V8 reflection

gistfile1.js

	var reflection = {
		getCallStack: function getCallStack() {
			var old = Error.prepareStackTrace, e = {};
			Error.prepareStackTrace = function (e, cs) { return cs; };
			if (Error.captureStackTrace) {
				Error.captureStackTrace(e, getCallStack);
				e = e.stack;
				e.shift();
				Error.prepareStackTrace = old;
			}
			return e;
		},
		fnInfo: function (callsite) {
			return {
				name: function () { return callsite.getFunctionName(); },
				module: function () { return urlToModuleName(callsite.getScriptNameOrSourceURL()); },
				params: function () { return getParams(callsite.getFunction()); }
			};
		},
		getCallingModule: function () {
			var stack = reflection.getCallStack();
			if (stack.length) {
				stack.shift();
				return reflection.fnInfo(stack[0]).module();
			}
		}
	};