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