Merge branch 'ZackerySpytz-OCaml-class-example'

* ZackerySpytz-OCaml-class-example:
  [OCaml] Re-enable the using_protected unit test
  [OCaml] Add a class example

Examples/ocaml/check.list

@@ -1,11 +1,12 @@
 # see top-level Makefile.in
+argout_ref
+class
+contract
+scoped_enum
+shapes
 simple
 #std_string
 std_vector
 stl
-argout_ref
-shapes
-contract
-scoped_enum
 string_from_ptr
 strings_test

Examples/ocaml/class/Makefile

@@ -0,0 +1,31 @@
+TOP          = ../..
+SWIGEXE      = $(TOP)/../swig
+SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
+SWIGOPT      =
+SRCS         = example.c
+TARGET       = example
+INTERFACE    = example.i
+PROGFILE     = runme.ml
+OBJS         = example.o
+
+check: build
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' TARGET='$(TARGET)' ocaml_run
+
+build: static
+
+static:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' \
+	PROGFILE='$(PROGFILE)' OBJS='$(OBJS)' \
+	ocaml_static_cpp
+
+static_top:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' \
+	PROGFILE='$(PROGFILE)' OBJS='$(OBJS)' \
+	ocaml_static_cpp_toplevel
+
+clean:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' TARGET='$(TARGET)' ocaml_clean

Examples/ocaml/class/example.c

@@ -0,0 +1,28 @@
+/* File : example.c */
+
+#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;
+}

Examples/ocaml/class/example.h

@@ -0,0 +1,34 @@
+/* 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();
+};

Examples/ocaml/class/example.i

@@ -0,0 +1,9 @@
+/* File : example.i */
+%module example
+
+%{
+#include "example.h"
+%}
+
+/* Let's just grab the original header file here */
+%include "example.h"

Examples/ocaml/class/runme.ml

@@ -0,0 +1,57 @@
+(* file: runme.ml
+
+ This file illustrates the proxy class C++ interface generated
+ by SWIG. *)
+
+open Swig
+open Example
+
+let repr o =
+  Printf.sprintf "<%s at %#x>" (o -> ":classof" () as string) (o -> "&" () as int)
+
+(* ----- Object creation ----- *)
+
+let _ = print_endline "Creating some objects:"
+let c = new_Circle '(10)
+let _ = Printf.printf "    Created circle %s\n" (repr c)
+let s = new_Square '(10)
+let _ = Printf.printf "    Created square %s\n" (repr s)
+
+(* ----- Access a static member ----- *)
+
+let _ = Printf.printf "\nA total of %d shapes were created\n" (_Shape_nshapes '() as int)
+
+(* ----- Member data access ----- *)
+
+(* Set the location of the object *)
+
+let _ = c -> "[x]" (20)
+let _ = c -> "[y]" (30)
+
+(* Temp var to work around a swigp4 bug (it doesn't properly handle "-" in some cases). *)
+let arg = (-10. to float)
+let _ = s -> "[x]" (arg)
+let _ = s -> "[y]" (5)
+
+let _ = print_endline "\nHere is their current position:"
+let _ = Printf.printf "    Circle = (%f, %f)\n" (c -> "[x]" () as float) (c -> "[y]" () as float)
+let _ = Printf.printf "    Square = (%f, %f)\n" (s -> "[x]" () as float) (s -> "[y]" () as float)
+
+(* ----- Call some methods ----- *)
+
+let _ = print_endline "\nHere are some properties of the shapes:"
+
+let _ = List.iter (fun o ->
+  Printf.printf "    %s\n" (repr o);
+  Printf.printf "        area      =  %f\n" (o -> area () as float);
+  Printf.printf "        perimeter =  %f\n" (o -> perimeter () as float)
+  ) [c; s]
+
+let _ = print_endline "\nGuess I'll clean up now"
+
+(* Note: this invokes the virtual destructor *)
+let _ = c -> "~" ()
+let _ = s -> "~" ()
+
+let _ = Printf.printf "%d shapes remain\n" (_Shape_nshapes '() as int)
+let _ = print_endline "Goodbye"

Examples/ocaml/stl/example.h

@@ -8,7 +8,7 @@
 
 using std::string;
 
-double vec_write(std::vector<string> v) {
+void vec_write(std::vector<string> v) {
     int n = 0;
     for( std::vector<string>::iterator i = v.begin();
 	 i != v.end();

Examples/test-suite/ocaml/Makefile.in

@@ -40,7 +40,6 @@ nested_directors \
 preproc_constants \
 smart_pointer_inherit \
 typedef_mptr \
-using_protected \
 
 FAILING_C_TESTS = \
 enums \

Examples/test-suite/ocaml/using_protected_runme.ml

@@ -2,7 +2,7 @@ open Swig
 open Using_protected
 
 let f = new_FooBar C_void
-let _ = (invoke f) "x" (C_int 3)
+let _ = (invoke f) "[x]" (C_int 3)
 
 let _ = if (invoke f) "blah" (C_int 4) <> (C_int 4) then
     raise (Failure "blah(int)")