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44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
15 years ago
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dojo.provide("dojox.lang.aspect.tracer");
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(function(){
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var aop = dojox.lang.aspect;
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var Tracer = function(/*Boolean*/ grouping){
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this.method = grouping ? "group" : "log";
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if(grouping){
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this.after = this._after;
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}
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};
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dojo.extend(Tracer, {
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before: function(/*arguments*/){
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var context = aop.getContext(), joinPoint = context.joinPoint,
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args = Array.prototype.join.call(arguments, ", ");
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console[this.method](context.instance, "=>", joinPoint.targetName + "(" + args + ")");
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},
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afterReturning: function(retVal){
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var joinPoint = aop.getContext().joinPoint;
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if(typeof retVal != "undefined"){
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console.log(joinPoint.targetName + "() returns:", retVal);
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}else{
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console.log(joinPoint.targetName + "() returns");
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}
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},
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afterThrowing: function(excp){
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console.log(aop.getContext().joinPoint.targetName + "() throws:", excp);
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},
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_after: function(excp){
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console.groupEnd();
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}
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});
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aop.tracer = function(/*Boolean*/ grouping){
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// summary:
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// Returns an object, which can be used to trace calls with Firebug's console.
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// Prints argument, a return value, or an exception.
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//
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// grouping:
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// The flag to group output. If true, indents embedded console messages.
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return new Tracer(grouping); // Object
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};
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})();
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