Javascript examples.

Examples/javascript/functor/Makefile

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+TOP = ../..
+SWIG = $(TOP)/../preinst-swig
+CXXSRCS    = example.cxx
+JS_SCRIPT = runme.js
+TARGET = example
+INTERFACE = example.i
+
+wrapper::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
+
+build:: wrapper
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile javascript_clean
+
+check:: build
+	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
+		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run

Examples/javascript/functor/binding.gyp

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+{
+  "targets": [
+    {
+      "target_name": "example",
+      "sources": [ "example.cxx", "example_wrap.cxx" ]
+    }
+  ]
+}

Examples/javascript/functor/example.i

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+/* File : example.i */
+%module example
+
+
+%inline %{
+// From B. Strousjoup, "The C++ Programming Language, Third Edition", p. 514
+template<class T> class Sum {
+   T res;
+public:
+   Sum(T i = 0) : res(i) { }
+   void operator() (T x) { res += x; }
+   T result() const { return res; }
+};
+
+%}
+
+%rename(call)	*::operator();	// the fn call operator
+
+// Instantiate a few versions
+%template(intSum) Sum<int>;
+%template(doubleSum) Sum<double>;
+
+
+
+

Examples/javascript/functor/runme.js

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+var example = require("./build/Release/example");
+
+a = new example.intSum(0);
+b = new example.doubleSum(100.0);
+
+// Use the objects.  They should be callable just like a normal
+// javascript function.
+
+for (i=1;i<=100;i++) 
+    a.call(i);                // Note: function call
+    b.call(Math.sqrt(i));     // Note: function call
+
+console.log(a.result());
+console.log(b.result());
+