1 files changed, 48 insertions, 0 deletions
diff --git a/js/dojo/dojox/lang/aspect/tracer.js b/js/dojo/dojox/lang/aspect/tracer.js
new file mode 100644
index 0000000..9186bcf
--- /dev/null
+++ b/js/dojo/dojox/lang/aspect/tracer.js
@@ -0,0 +1,48 @@
+//>>built
+// wrapped by build app
+define("dojox/lang/aspect/tracer", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
+dojo.provide("dojox.lang.aspect.tracer");
+
+(function(){
+	var aop = dojox.lang.aspect;
+	
+	var Tracer = function(/*Boolean*/ grouping){
+		this.method   = grouping ? "group" : "log";
+		if(grouping){
+			this.after = this._after;
+		}
+	};
+	dojo.extend(Tracer, {
+		before: function(/*arguments*/){
+			var context = aop.getContext(), joinPoint = context.joinPoint,
+				args = Array.prototype.join.call(arguments, ", ");
+			console[this.method](context.instance, "=>", joinPoint.targetName + "(" + args + ")");
+		},
+		afterReturning: function(retVal){
+			var joinPoint = aop.getContext().joinPoint;
+			if(typeof retVal != "undefined"){
+				console.log(joinPoint.targetName + "() returns:", retVal);
+			}else{
+				console.log(joinPoint.targetName + "() returns");
+			}
+		},
+		afterThrowing: function(excp){
+			console.log(aop.getContext().joinPoint.targetName + "() throws:", excp);
+		},
+		_after: function(excp){
+			console.groupEnd();
+		}
+	});
+	
+	aop.tracer = function(/*Boolean*/ grouping){
+		// summary:
+		//		Returns an object, which can be used to trace calls with Firebug's console.
+		//		Prints argument, a return value, or an exception.
+		//
+		// grouping:
+		//		The flag to group output. If true, indents embedded console messages.
+	
+		return new Tracer(grouping);	// Object
+	};
+})();
+});