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