From 2824b0cbb66e715490e1ef13250bd675d87b32d9 Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Wed, 2 Jun 2010 20:53:17 +0000
Subject: rel-2.0.0

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/tags/rel-2.0.0@12089 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 trunk/Examples/python/funcptr2/Makefile  | 20 ++++++++++++++++++++
 trunk/Examples/python/funcptr2/example.c | 19 +++++++++++++++++++
 trunk/Examples/python/funcptr2/example.h |  9 +++++++++
 trunk/Examples/python/funcptr2/example.i | 18 ++++++++++++++++++
 trunk/Examples/python/funcptr2/runme.py  | 24 ++++++++++++++++++++++++
 5 files changed, 90 insertions(+)
 create mode 100644 trunk/Examples/python/funcptr2/Makefile
 create mode 100644 trunk/Examples/python/funcptr2/example.c
 create mode 100644 trunk/Examples/python/funcptr2/example.h
 create mode 100644 trunk/Examples/python/funcptr2/example.i
 create mode 100644 trunk/Examples/python/funcptr2/runme.py

(limited to 'trunk/Examples/python/funcptr2')

diff --git a/trunk/Examples/python/funcptr2/Makefile b/trunk/Examples/python/funcptr2/Makefile
new file mode 100644
index 000000000..0f4a1e077
--- /dev/null
+++ b/trunk/Examples/python/funcptr2/Makefile
@@ -0,0 +1,20 @@
+TOP        = ../..
+SWIG       = $(TOP)/../preinst-swig
+SRCS       = example.c
+TARGET     = example
+INTERFACE  = example.i
+
+all::
+	$(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \
+	TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' python
+
+static::
+	$(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \
+	TARGET='mypython' INTERFACE='$(INTERFACE)' python_static
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile python_clean
+	rm -f $(TARGET).py
+
+check: all
+	$(MAKE) -f $(TOP)/Makefile python_run
diff --git a/trunk/Examples/python/funcptr2/example.c b/trunk/Examples/python/funcptr2/example.c
new file mode 100644
index 000000000..5c4a3dabf
--- /dev/null
+++ b/trunk/Examples/python/funcptr2/example.c
@@ -0,0 +1,19 @@
+/* File : example.c */
+
+int do_op(int a, int b, int (*op)(int,int)) {
+  return (*op)(a,b);
+}
+
+int add(int a, int b) {
+  return a+b;
+}
+
+int sub(int a, int b) {
+  return a-b;
+}
+
+int mul(int a, int b) {
+  return a*b;
+}
+
+int (*funcvar)(int,int) = add;
diff --git a/trunk/Examples/python/funcptr2/example.h b/trunk/Examples/python/funcptr2/example.h
new file mode 100644
index 000000000..9936e24fc
--- /dev/null
+++ b/trunk/Examples/python/funcptr2/example.h
@@ -0,0 +1,9 @@
+/* file: example.h */
+
+extern int do_op(int,int, int (*op)(int,int));
+extern int add(int,int);
+extern int sub(int,int);
+extern int mul(int,int);
+
+extern int (*funcvar)(int,int);
+
diff --git a/trunk/Examples/python/funcptr2/example.i b/trunk/Examples/python/funcptr2/example.i
new file mode 100644
index 000000000..681775a3e
--- /dev/null
+++ b/trunk/Examples/python/funcptr2/example.i
@@ -0,0 +1,18 @@
+/* File : example.i */
+%module example
+%{
+#include "example.h"
+%}
+
+/* Wrap a function taking a pointer to a function */
+extern int  do_op(int a, int b, int (*op)(int, int));
+
+/* Now install a bunch of "ops" as constants */
+%callback("%(upper)s");
+int add(int, int);
+int sub(int, int);
+int mul(int, int);
+%nocallback;
+
+extern int (*funcvar)(int,int);
+
diff --git a/trunk/Examples/python/funcptr2/runme.py b/trunk/Examples/python/funcptr2/runme.py
new file mode 100644
index 000000000..bd58fb620
--- /dev/null
+++ b/trunk/Examples/python/funcptr2/runme.py
@@ -0,0 +1,24 @@
+# file: runme.py
+
+import example 
+
+a = 37
+b = 42
+
+# Now call our C function with a bunch of callbacks
+
+print "Trying some C callback functions"
+print "    a        =", a
+print "    b        =", b
+print "    ADD(a,b) =", example.do_op(a,b,example.ADD)
+print "    SUB(a,b) =", example.do_op(a,b,example.SUB)
+print "    MUL(a,b) =", example.do_op(a,b,example.MUL)
+
+print "Here is what the C callback function objects look like in Python"
+print "    ADD      =", example.ADD
+print "    SUB      =", example.SUB
+print "    MUL      =", example.MUL
+
+print "Call the functions directly..."
+print "    add(a,b) =", example.add(a,b)
+print "    sub(a,b) =", example.sub(a,b)
-- 
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