The great merge

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4141 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/python/import/.cvsignore

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+bar.py
+base.py
+foo.py
+spam.py
+*_wrap.c
+*_wrap.cxx
+*.dll
+*.dsw
+*.ncb
+*.opt
+*.plg
+Release
+Debug

SWIG/Examples/python/import/Makefile

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+TOP        = ../..
+SWIG       = $(TOP)/../swig
+SWIGOPT    = -c
+#If your system requires linking with the runtime libraries then set the directory location here
+RUNTIMEDIR = 
+
+all::
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='base' INTERFACE='base.i' python_multi_cpp
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='foo' INTERFACE='foo.i' python_multi_cpp
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='bar' INTERFACE='bar.i' python_multi_cpp
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='spam' INTERFACE='spam.i' python_multi_cpp
+
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile python_clean
+	@rm -f foo.py bar.py spam.py base.py
+
+check: all

SWIG/Examples/python/import/README

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+This example tests the SWIG run-time libraries and use of the
+%import directive to work with multiple modules.
+
+Use 'python runme.py' to run a test.
+
+Overview:
+---------
+
+The example defines 4 different extension modules--each wrapping
+a separate C++ class.
+
+     base.i     -  Base class
+     foo.i      -  Foo class derived from Base
+     bar.i      -  Bar class derived from Base
+     spam.i     -  Spam class derived from Bar
+
+Each module used %import to refer to another module.  For
+example, the 'foo.i' module uses '%import base.i' to get
+definitions for its base class. 
+
+If everything is working correctly, all of the modules will load
+correctly and type checking will work correctly.   The
+example requires the use of the SWIG run-time libraries
+which must be built and properly installed.  
+
+
+
+

SWIG/Examples/python/import/bar.h

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+#include "base.h"
+
+class Bar : public Base {
+ public:
+  Bar() { }
+  ~Bar() { }
+  virtual void A() { 
+    printf("I'm Bar::A\n");
+  }
+  void B() {
+    printf("I'm Bar::B\n");
+  }
+  virtual Base *toBase() {
+    return static_cast<Base *>(this);
+  }
+  static Bar *fromBase(Base *b) {
+    return dynamic_cast<Bar *>(b);
+  }
+
+};
+
+

SWIG/Examples/python/import/bar.i

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+%module bar
+%{
+#include "bar.h"
+%}
+
+%import base.i
+%include "bar.h"
+
+

SWIG/Examples/python/import/base.h

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+#include <stdio.h>
+
+class Base {
+ public:
+     Base() { };
+    ~Base() { };
+     virtual void A() {
+         printf("I'm Base::A\n");
+     }
+     void B() {
+       printf("I'm Base::B\n");
+     }
+     virtual Base *toBase() {
+       return static_cast<Base *>(this);
+     }
+};
+ 
+        

SWIG/Examples/python/import/base.i

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+%module base
+%{
+#include "base.h"
+%}
+
+%include base.h

SWIG/Examples/python/import/foo.h

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+#include "base.h"
+
+class Foo : public Base {
+ public:
+  Foo() { }
+  ~Foo() { }
+  virtual void A() { 
+    printf("I'm Foo::A\n");
+  }
+  void B() {
+    printf("I'm Foo::B\n");
+  }
+  virtual Base *toBase() {
+    return static_cast<Base *>(this);
+  }
+  static Foo *fromBase(Base *b) {
+    return dynamic_cast<Foo *>(b);
+  }
+};
+
+

SWIG/Examples/python/import/foo.i

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+%module foo
+%{
+#include "foo.h"
+%}
+
+%import base.i
+%include "foo.h"
+

SWIG/Examples/python/import/runme.py

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+# file: runme.py
+# Test various properties of classes defined in separate modules
+
+print "Testing the %import directive"
+import base
+import foo
+import bar
+import spam
+
+# Create some objects
+
+print "Creating some objects"
+
+a = base.Base()
+b = foo.Foo()
+c = bar.Bar()
+d = spam.Spam()
+
+# Try calling some methods
+print "Testing some methods"
+print "",
+print "Should see 'Base::A' ---> ",
+a.A()
+print "Should see 'Base::B' ---> ",
+a.B()
+
+print "Should see 'Foo::A' ---> ",
+b.A()
+print "Should see 'Foo::B' ---> ",
+b.B()
+
+print "Should see 'Bar::A' ---> ",
+c.A()
+print "Should see 'Bar::B' ---> ",
+c.B()
+
+print "Should see 'Spam::A' ---> ",
+d.A()
+print "Should see 'Spam::B' ---> ",
+d.B()
+
+# Try some casts
+
+print "\nTesting some casts\n"
+print "",
+
+x = a.toBase()
+print "Should see 'Base::A' ---> ",
+x.A()
+print "Should see 'Base::B' ---> ",
+x.B()
+
+x = b.toBase()
+print "Should see 'Foo::A' ---> ",
+x.A()
+
+print "Should see 'Base::B' ---> ",
+x.B()
+
+x = c.toBase()
+print "Should see 'Bar::A' ---> ",
+x.A()
+
+print "Should see 'Base::B' ---> ",
+x.B()
+
+x = d.toBase()
+print "Should see 'Spam::A' ---> ",
+x.A()
+
+print "Should see 'Base::B' ---> ",
+x.B()
+
+x = d.toBar()
+print "Should see 'Bar::B' ---> ",
+x.B()
+
+print "\nTesting some dynamic casts\n"
+x = d.toBase()
+
+print " Spam -> Base -> Foo : ",
+y = foo.Foo_fromBase(x)
+if y:
+      print "bad swig"
+else:
+      print "good swig"
+
+print " Spam -> Base -> Bar : ",
+y = bar.Bar_fromBase(x)
+if y:
+      print "good swig"
+else:
+      print "bad swig"
+      
+print " Spam -> Base -> Spam : ",
+y = spam.Spam_fromBase(x)
+if y:
+      print "good swig"
+else:
+      print "bad swig"
+
+print " Foo -> Spam : ",
+y = spam.Spam_fromBase(b)
+if y:
+      print "bad swig"
+else:
+      print "good swig"
+
+
+
+

SWIG/Examples/python/import/spam.h

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+#include "bar.h"
+
+class Spam : public Bar {
+ public:
+  Spam() { }
+  ~Spam() { }
+  virtual void A() { 
+    printf("I'm Spam::A\n");
+  }
+  void B() {
+    printf("I'm Spam::B\n");
+  }
+  virtual Base *toBase() {
+    return static_cast<Base *>(this);
+  }
+  virtual Bar *toBar() {
+    return static_cast<Bar *>(this);
+  }
+  static Spam *fromBase(Base *b) {
+    return dynamic_cast<Spam *>(b);
+  }
+};
+
+

SWIG/Examples/python/import/spam.i

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+%module spam
+%{
+#include "spam.h"
+%}
+
+%import bar.i
+%include "spam.h"
+
+