76 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
		
		
			
		
	
	
			76 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
|  | /* | ||
|  |  * Copyright (C)2005-2019 Haxe Foundation | ||
|  |  * | ||
|  |  * Permission is hereby granted, free of charge, to any person obtaining a | ||
|  |  * copy of this software and associated documentation files (the "Software"), | ||
|  |  * to deal in the Software without restriction, including without limitation | ||
|  |  * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
|  |  * and/or sell copies of the Software, and to permit persons to whom the | ||
|  |  * Software is furnished to do so, subject to the following conditions: | ||
|  |  * | ||
|  |  * The above copyright notice and this permission notice shall be included in | ||
|  |  * all copies or substantial portions of the Software. | ||
|  |  * | ||
|  |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
|  |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
|  |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
|  |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
|  |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
|  |  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
|  |  * DEALINGS IN THE SOFTWARE. | ||
|  |  */ | ||
|  | 
 | ||
|  | package haxe; | ||
|  | 
 | ||
|  | /** | ||
|  | 	Log primarily provides the `trace()` method, which is invoked upon a call to | ||
|  | 	`trace()` in Haxe code. | ||
|  | **/ | ||
|  | class Log { | ||
|  | 	/** | ||
|  | 		Format the output of `trace` before printing it. | ||
|  | 	**/ | ||
|  | 	public static function formatOutput(v:Dynamic, infos:PosInfos):String { | ||
|  | 		var str = Std.string(v); | ||
|  | 		if (infos == null) | ||
|  | 			return str; | ||
|  | 		var pstr = infos.fileName + ":" + infos.lineNumber; | ||
|  | 		if (infos.customParams != null) | ||
|  | 			for (v in infos.customParams) | ||
|  | 				str += ", " + Std.string(v); | ||
|  | 		return pstr + ": " + str; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Outputs `v` in a platform-dependent way. | ||
|  | 
 | ||
|  | 		The second parameter `infos` is injected by the compiler and contains | ||
|  | 		information about the position where the `trace()` call was made. | ||
|  | 
 | ||
|  | 		This method can be rebound to a custom function: | ||
|  | 
 | ||
|  | 			var oldTrace = haxe.Log.trace; // store old function | ||
|  | 			haxe.Log.trace = function(v, ?infos) { | ||
|  | 			  // handle trace | ||
|  | 			} | ||
|  | 			... | ||
|  | 			haxe.Log.trace = oldTrace; | ||
|  | 
 | ||
|  | 		If it is bound to null, subsequent calls to `trace()` will cause an | ||
|  | 		exception. | ||
|  | 	**/ | ||
|  | 	public static dynamic function trace(v:Dynamic, ?infos:PosInfos):Void { | ||
|  | 		var str = formatOutput(v, infos); | ||
|  | 		#if js | ||
|  | 		if (js.Syntax.typeof(untyped console) != "undefined" && (untyped console).log != null) | ||
|  | 			(untyped console).log(str); | ||
|  | 		#elseif lua | ||
|  | 		untyped __define_feature__("use._hx_print", _hx_print(str)); | ||
|  | 		#elseif sys | ||
|  | 		Sys.println(str); | ||
|  | 		#else | ||
|  | 		throw new haxe.exceptions.NotImplementedException() | ||
|  | 		#end | ||
|  | 	} | ||
|  | } |