inspired from oyvindnordhagen.com' s method

getCaller.as

package  
{
	/**
	 * @see http://www.oyvindnordhagen.com/blog/2010/09/06/quick-as3-tip-find-out-where-a-function-was-called-from/
     *  
	 * 	添加判断方法的类型
	 *  添加判断swf是否为debug版, 避免getStackTrace返回为空
	 * @return 返回的字符串格式为 类 --> 方法 --> 具体行数
	 */
	public function getCaller():String
	{
		var s:String = new Error().getStackTrace();
		if (!s || s.search(/.as:[0-9]+]$/gm) == -1) {
			return "no caller info";
		}
		s = s.split("\n", 3)[2];
		var className:String = s.match(/(?<=\\)[a-zA-Z]+(?=\.as)/g)[0];
		var funName:String = s.match(/\w+(?=\(\))/g)[0];
		var line:Number = s.match(/(?<=as:)\d+(?=\])/g)[0];
		var methodType:String;
		if (s.search(/(?<=\$)(?=\/)/g) != -1) {
			//是否为静态方法
			methodType = "static method";
		}
		else if (s.search(/(?<=global)(?=\/)/g) != -1) {
			//是否为包级函数
			methodType = "global method";
		}
		else {
			methodType = "instance method";
		}
		return className + "'s " + methodType + " " + funName + " lineAt: " + line;
	}
}