added basic Modula-3 support

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5776 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/modula3/reference/.cvsignore

@@ -0,0 +1,15 @@
+*.class
+*.java
+*_wrap.*
+*.i3
+*.m3
+*.dll
+*.dsw
+*.exp
+*.lib
+*.ncb
+*.opt
+*.plg
+src
+Release
+Debug

SWIG/Examples/modula3/reference/Makefile

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+TOP        = ../..
+SWIG       = $(TOP)/../swig
+SRCS       = 
+TARGET     = example
+INTERFACE  = example.i
+SWIGOPT    = -c++
+MODULA3SRCS = *.[im]3
+
+all::	modula3
+
+modula3::
+	$(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3
+	m3ppinplace $(MODULA3SRCS)
+	mv m3makefile $(MODULA3SRCS) src/
+	cm3
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile modula3_clean
+
+check: all

SWIG/Examples/modula3/reference/example.cxx

@@ -0,0 +1,41 @@
+/* File : example.cxx */
+
+#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 %x (%g,%g,%g)", (int)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;
+}
+

SWIG/Examples/modula3/reference/example.h

@@ -0,0 +1,22 @@
+/* File : example.h */
+
+struct 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) { };
+  Vector operator+(const Vector &b) const;
+  char *print();
+};
+
+struct VectorArray {
+private:
+  Vector *items;
+  int     maxsize;
+public:
+  VectorArray(int maxsize);
+  ~VectorArray();
+  Vector &operator[](int);
+  int size();
+};

SWIG/Examples/modula3/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"
+%}
+
+%pragma(modula3) unsafe="1";
+
+%insert(m3wrapintf) %{FROM ExampleRaw IMPORT Vector, VectorArray;%}
+%insert(m3wrapimpl) %{FROM ExampleRaw IMPORT Vector, VectorArray;%}
+
+%typemap(m3wrapretvar)  Vector %{vec: UNTRACED REF Vector;%}
+%typemap(m3wrapretraw)  Vector %{vec%}
+%typemap(m3wrapretconv) Vector %{vec^%}
+
+
+/* This helper function calls an overloaded operator */
+%inline %{
+Vector addv(const Vector &a, const Vector &b) {
+  return a+b;
+}
+%}
+
+%rename(Vector_Clear) Vector::Vector();
+%rename(Add) Vector::operator+;
+%rename(GetItem) VectorArray::operator[];
+
+%include "example.h"