xbDebug Window

X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/0c9c28efcd43f53ac54aa60b2dfefa69c70dbadf..6b6d9b29e9e9e91f79507a8bf193fb30de311dcc:/doc/help/xslt/slides/browser/xbDebug.js diff --git a/doc/help/xslt/slides/browser/xbDebug.js b/doc/help/xslt/slides/browser/xbDebug.js new file mode 100644 index 00000000..48fd010c --- /dev/null +++ b/doc/help/xslt/slides/browser/xbDebug.js @@ -0,0 +1,311 @@ +/* + * xbDebug.js + * $Revision: 1.2 $ $Date: 2003/02/07 16:04:19 $ + */ + +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Netscape code. + * + * The Initial Developer of the Original Code is + * Netscape Corporation. + * Portions created by the Initial Developer are Copyright (C) 2001 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): Bob Clary + * + * ***** END LICENSE BLOCK ***** */ + +/* +ChangeLog: + +2002-02-25: bclary - modified xbDebugTraceOject to make sure + that original versions of wrapped functions were not + rewrapped. This had caused an infinite loop in IE. + +2002-02-07: bclary - modified xbDebug.prototype.close to not null + the debug window reference. This can cause problems with + Internet Explorer if the page is refreshed. These issues will + be addressed at a later date. +*/ + +function xbDebug() +{ + this.on = false; + this.stack = new Array(); + this.debugwindow = null; + this.execprofile = new Object(); +} + +xbDebug.prototype.push = function () +{ + this.stack[this.stack.length] = this.on; + this.on = true; +} + +xbDebug.prototype.pop = function () +{ + this.on = this.stack[this.stack.length - 1]; + --this.stack.length; +} + +xbDebug.prototype.open = function () +{ + if (this.debugwindow && !this.debugwindow.closed) + this.close(); + + this.debugwindow = window.open('about:blank', 'DEBUGWINDOW', 'height=400,width=600,resizable=yes,scrollbars=yes'); + this.debugwindow.moveTo(0,0); + window.focus(); + + this.debugwindow.document.write('xbDebug Window

Javascript Debug Window

'); +} + +xbDebug.prototype.close = function () +{ + if (!this.debugwindow) + return; + + if (!this.debugwindow.closed) + this.debugwindow.close(); + + // bc 2002-02-07, other windows may still hold a reference to this: this.debugwindow = null; +} + +xbDebug.prototype.dump = function (msg) +{ + if (!this.on) + return; + + if (!this.debugwindow || this.debugwindow.closed) + this.open(); + + this.debugwindow.document.write(msg + '
'); + + return; +} + +var xbDEBUG = new xbDebug(); + +window.onunload = function () { xbDEBUG.close(); } + +function xbDebugGetFunctionName(funcref) +{ + + if (!funcref) + { + return ''; + } + + if (funcref.name) + return funcref.name; + + var name = funcref + ''; + name = name.substring(name.indexOf(' ') + 1, name.indexOf('(')); + funcref.name = name; + + if (!name) alert('name not defined'); + return name; +} + + +// emulate functionref.apply for IE mac and IE win < 5.5 +function xbDebugApplyFunction(funcname, funcref, thisref, argumentsref) +{ + var rv; + + if (!funcref) + { + alert('xbDebugApplyFunction: funcref is null'); + } + + if (typeof(funcref.apply) != 'undefined') + return funcref.apply(thisref, argumentsref); + + var applyexpr = 'thisref.xbDebug_orig_' + funcname + '('; + var i; + + for (i = 0; i < argumentsref.length; i++) + { + applyexpr += 'argumentsref[' + i + '],'; + } + + if (argumentsref.length > 0) + { + applyexpr = applyexpr.substring(0, applyexpr.length - 1); + } + + applyexpr += ')'; + + return eval(applyexpr); +} + +function xbDebugCreateFunctionWrapper(scopename, funcname, precall, postcall) +{ + var wrappedfunc; + var scopeobject = eval(scopename); + var funcref = scopeobject[funcname]; + + scopeobject['xbDebug_orig_' + funcname] = funcref; + + wrappedfunc = function () + { + var rv; + + precall(scopename, funcname, arguments); + rv = xbDebugApplyFunction(funcname, funcref, scopeobject, arguments); + postcall(scopename, funcname, arguments, rv); + return rv; + }; + + if (typeof(funcref.constructor) != 'undefined') + wrappedfunc.constructor = funcref.constuctor; + + if (typeof(funcref.prototype) != 'undefined') + wrappedfunc.prototype = funcref.prototype; + + scopeobject[funcname] = wrappedfunc; +} + +function xbDebugCreateMethodWrapper(contextname, classname, methodname, precall, postcall) +{ + var context = eval(contextname); + var methodref = context[classname].prototype[methodname]; + + context[classname].prototype['xbDebug_orig_' + methodname] = methodref; + + var wrappedmethod = function () + { + var rv; + // eval 'this' at method run time to pick up reference to the object's instance + var thisref = eval('this'); + // eval 'arguments' at method run time to pick up method's arguments + var argsref = arguments; + + precall(contextname + '.' + classname, methodname, argsref); + rv = xbDebugApplyFunction(methodname, methodref, thisref, argsref); + postcall(contextname + '.' + classname, methodname, argsref, rv); + return rv; + }; + + return wrappedmethod; +} + +function xbDebugPersistToString(obj) +{ + var s = ''; + + if (obj == null) + return 'null'; + + switch(typeof(obj)) + { + case 'number': + return obj; + case 'string': + return '"' + obj + '"'; + case 'undefined': + return 'undefined'; + case 'boolean': + return obj + ''; + } + + if (obj.constructor) + return '[' + xbDebugGetFunctionName(obj.constructor) + ']'; + + return null; +} + +function xbDebugTraceBefore(scopename, funcname, funcarguments) +{ + var i; + var s = ''; + var execprofile = xbDEBUG.execprofile[scopename + '.' + funcname]; + if (!execprofile) + execprofile = xbDEBUG.execprofile[scopename + '.' + funcname] = { started: 0, time: 0, count: 0 }; + + for (i = 0; i < funcarguments.length; i++) + { + s += xbDebugPersistToString(funcarguments[i]); + if (i < funcarguments.length - 1) + s += ', '; + } + + xbDEBUG.dump('enter ' + scopename + '.' + funcname + '(' + s + ')'); + execprofile.started = (new Date()).getTime(); +} + +function xbDebugTraceAfter(scopename, funcname, funcarguments, rv) +{ + var i; + var s = ''; + var execprofile = xbDEBUG.execprofile[scopename + '.' + funcname]; + if (!execprofile) + xbDEBUG.dump('xbDebugTraceAfter: execprofile not created for ' + scopename + '.' + funcname); + else if (execprofile.started == 0) + xbDEBUG.dump('xbDebugTraceAfter: execprofile.started == 0 for ' + scopename + '.' + funcname); + else + { + execprofile.time += (new Date()).getTime() - execprofile.started; + execprofile.count++; + execprofile.started = 0; + } + + for (i = 0; i < funcarguments.length; i++) + { + s += xbDebugPersistToString(funcarguments[i]); + if (i < funcarguments.length - 1) + s += ', '; + } + + xbDEBUG.dump('exit ' + scopename + '.' + funcname + '(' + s + ')==' + xbDebugPersistToString(rv)); +} + +function xbDebugTraceFunction(scopename, funcname) +{ + xbDebugCreateFunctionWrapper(scopename, funcname, xbDebugTraceBefore, xbDebugTraceAfter); +} + +function xbDebugTraceObject(contextname, classname) +{ + var classref = eval(contextname + '.' + classname); + var p; + var sp; + + if (!classref || !classref.prototype) + return; + + for (p in classref.prototype) + { + sp = p + ''; + if (typeof(classref.prototype[sp]) == 'function' && (sp).indexOf('xbDebug_orig') == -1) + { + classref.prototype[sp] = xbDebugCreateMethodWrapper(contextname, classname, sp, xbDebugTraceBefore, xbDebugTraceAfter); + } + } +} + +function xbDebugDumpProfile() +{ + var p; + var execprofile; + var avg; + + for (p in xbDEBUG.execprofile) + { + execprofile = xbDEBUG.execprofile[p]; + avg = Math.round ( 100 * execprofile.time/execprofile.count) /100; + xbDEBUG.dump('Execution profile ' + p + ' called ' + execprofile.count + ' times. Total time=' + execprofile.time + 'ms. Avg Time=' + avg + 'ms.'); + } +}