Javascript examples.

Examples/javascript/reference/runme.js

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+// This file illustrates the manipulation of C++ references in Javascript.
+var example = require("./build/Release/example");
+
+// ----- Object creation -----
+
+console.log("Creating some objects:\n");
+a = new example.Vector(3,4,5);
+b = new example.Vector(10,11,12);
+
+console.log("   created" + a.print());
+console.log("   created" + b.print());
+
+// ----- Call an overloaded operator -----
+
+// This calls the wrapper we placed around operator+(const Vector &a, const Vector &) 
+// It returns a new allocated object.
+
+console.log("Adding a+b\n");
+c = example.addv(a, b);
+console.log("a+b = " + c.print());
+
+
+// TODO: Note: Unless we free the result, a memory leak will occur
+//delete_Vector(c);
+
+// ----- Create a vector array -----
+
+// Note: Using the high-level interface here
+console.log("Creating an array of vectors\n");
+va = new example.VectorArray(10);
+console.log("va = " + va + "\n");	 
+
+// ----- Set some values in the array -----
+
+// These operators copy the value of a and b to the vector array
+va.set(0,a);
+va.set(1,b);
+
+// This will work, but it will cause a memory leak!
+va.set(2,example.addv(a,b));
+
+// The non-leaky way to do it
+//c = addv(a,b);
+//va.set(3,c);
+//delete_Vector(c);
+
+// Get some values from the array
+
+console.log("Getting some array values\n");
+for (i = 0; i < 5; i++) {
+	temp = va.get(i);
+    console.log(i,temp.print());
+}
+
+// Watch under resource meter to check on this
+console.log("Making sure we don't leak memory.\n");
+for (i = 0; i < 1000000; i++) {
+    c = va.get(i % 10);
+}
+//---------TODO---------
+//----- Clean up -----
+//console.log("Cleaning up\n");
+
+//example.delete_VectorArray(va);
+//example.delete_Vector(a);
+//example.delete_Vector(b);
+