Initial commit

This commit is contained in:
Bassem Girgis
2018-12-20 17:34:07 -06:00
parent 7a2d899662
commit 81b4b9e273
34743 changed files with 5940233 additions and 0 deletions

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SRCS = example.cxx
include $(SRCDIR)../example.mk

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{
"targets": [
{
"target_name": "example",
"sources": [ "<!(cp $srcdir/example.cxx example-gypcopy.cxx && echo example-gypcopy.cxx)", "example_wrap.cxx" ],
"include_dirs": ["$srcdir"]
}
]
}

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/* File : example.cxx */
#include "example.h"
#define M_PI 3.14159265358979323846
/* Move the shape to a new location */
void Shape::move(double dx, double dy) {
x += dx;
y += dy;
}
int Shape::nshapes = 0;
double Circle::area() {
return M_PI*radius*radius;
}
double Circle::perimeter() {
return 2*M_PI*radius;
}
double Square::area() {
return width*width;
}
double Square::perimeter() {
return 4*width;
}

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/* File : example.h */
class Shape {
public:
Shape() {
nshapes++;
}
virtual ~Shape() {
nshapes--;
}
double x, y;
void move(double dx, double dy);
virtual double area() = 0;
virtual double perimeter() = 0;
static int nshapes;
};
class Circle : public Shape {
private:
double radius;
public:
Circle(double r) : radius(r) { }
virtual double area();
virtual double perimeter();
};
class Square : public Shape {
private:
double width;
public:
Square(double w) : width(w) { }
virtual double area();
virtual double perimeter();
};

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/* File : example.i */
%module example
%{
#include "example.h"
%}
/* Let's just grab the original header file here */
%include "example.h"

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module.exports = require("build/Release/example");

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var example = require("example");
// ----- Object creation -----
console.log("Creating some objects:");
c = new example.Circle(10);
console.log("Created circle " + c);
s = new example.Square(10);
console.log("Created square " + s);
// ----- Access a static member -----
console.log("\nA total of " + example.Shape.nshapes + " shapes were created"); // access static member as properties of the class object
// ----- Member data access -----
// Set the location of the object.
// Note: methods in the base class Shape are used since
// x and y are defined there.
c.x = 20;
c.y = 30;
s.x = -10;
s.y = 5;
console.log("\nHere is their new position:");
console.log("Circle = (" + c.x + "," + c.y + ")");
console.log("Square = (" + s.x + "," + s.y + ")");
// ----- Call some methods -----
console.log("\nHere are some properties of the shapes:");
console.log("Circle:");
console.log("area = " + c.area() + "");
console.log("perimeter = " + c.perimeter() + "");
console.log("\n");
console.log("Square:");
console.log("area = " + s.area() + "");
console.log("perimeter = " + s.perimeter() + "");
// ----- Delete everything -----
console.log("\nGuess I'll clean up now");
// Note: this invokes the virtual destructor
delete c;
delete s;
console.log(example.Shape.nshapes + " shapes remain");
console.log("Goodbye");