update swig on windows

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/Makefile

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

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/binding.gyp.in

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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"]
+    }
+  ]
+}

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/example.cxx

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+/* File : example.cxx */
+
+/* Deal with Microsoft's attempt at deprecating C standard runtime functions */
+#if !defined(SWIG_NO_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER)
+# define _CRT_SECURE_NO_DEPRECATE
+#endif
+
+#include "example.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+Vector operator+(const Vector &a, const Vector &b) {
+  Vector r;
+  r.x = a.x + b.x;
+  r.y = a.y + b.y;
+  r.z = a.z + b.z;
+  return r;
+}
+
+char *Vector::print() {
+  static char temp[512];
+  sprintf(temp,"Vector %p (%g,%g,%g)", (void *)this, x,y,z);
+  return temp;
+}
+
+VectorArray::VectorArray(int size) {
+  items = new Vector[size];
+  maxsize = size;
+}
+
+VectorArray::~VectorArray() {
+  delete [] items;
+}
+
+Vector &VectorArray::operator[](int index) {
+  if ((index < 0) || (index >= maxsize)) {
+    printf("Panic! Array index out of bounds.\n");
+    exit(1);
+  }
+  return items[index];
+}
+
+int VectorArray::size() {
+  return maxsize;
+}
+

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/example.h

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+/* File : example.h */
+
+class Vector {
+private:
+  double x,y,z;
+public:
+  Vector() : x(0), y(0), z(0) { }
+  Vector(double x, double y, double z) : x(x), y(y), z(z) { }
+  friend Vector operator+(const Vector &a, const Vector &b);
+  char *print();
+};
+
+class VectorArray {
+private:
+  Vector *items;
+  int     maxsize;
+public:
+  VectorArray(int maxsize);
+  ~VectorArray();
+  Vector &operator[](int);
+  int size();
+};

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/example.i

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+/* File : example.i */
+
+/* This file has a few "typical" uses of C++ references. */
+
+%module example
+
+%{
+#include "example.h"
+%}
+
+class Vector {
+public:
+    Vector(double x, double y, double z);
+   ~Vector();
+    char *print();
+};
+
+/* This helper function calls an overloaded operator */
+%inline %{
+Vector addv(Vector &a, Vector &b) {
+  return a+b;
+}
+%}
+
+/* Wrapper around an array of vectors class */
+
+class VectorArray {
+public:
+  VectorArray(int maxsize);
+  ~VectorArray();
+  int size();
+
+  /* This wrapper provides an alternative to the [] operator */
+  %extend {
+    Vector &get(int index) {
+      return (*$self)[index];
+    }
+    void set(int index, Vector &a) {
+      (*$self)[index] = a;
+    }
+  }
+};

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/example.js

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

winx64/bin/swigwin-4.0.0/Examples/javascript/reference/runme.js

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+// This file illustrates the manipulation of C++ references in Javascript.
+var example = require("example");
+
+// ----- Object creation -----
+
+console.log("Creating some objects:");
+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");
+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");
+va = new example.VectorArray(10);
+console.log("va = " + va);	 
+
+// ----- 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");
+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.");
+for (i = 0; i < 1000000; i++) {
+    c = va.get(i % 10);
+}
+//---------TODO---------
+//----- Clean up -----
+//console.log("Cleaning up");
+
+//example.delete_VectorArray(va);
+//example.delete_Vector(a);
+//example.delete_Vector(b);
+