diff --git a/Examples/csharp/funcptr/.cvsignore b/Examples/csharp/funcptr/.cvsignore new file mode 100644 index 000000000..fccb2721d --- /dev/null +++ b/Examples/csharp/funcptr/.cvsignore @@ -0,0 +1,14 @@ +runme +*_wrap.c +*_wrap.cxx +*.iltmp +*.cs +*.dll +*.dsw +*.exp +*.lib +*.ncb +*.opt +*.plg +Release +Debug diff --git a/Examples/csharp/funcptr/Makefile b/Examples/csharp/funcptr/Makefile new file mode 100644 index 000000000..08ce054a0 --- /dev/null +++ b/Examples/csharp/funcptr/Makefile @@ -0,0 +1,20 @@ +TOP = ../.. +SWIG = $(TOP)/../swig +SRCS = example.c +TARGET = example +INTERFACE = example.i +SWIGOPT = +CSHARPSRCS = *.cs +CSHARPFLAGS= -o runme + +all:: csharp + +csharp:: + $(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \ + SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' csharp + $(MAKE) -f $(TOP)/Makefile CSHARPSRCS='$(CSHARPSRCS)' CSHARPFLAGS='$(CSHARPFLAGS)' csharp_compile + +clean:: + $(MAKE) -f $(TOP)/Makefile csharp_clean + +check: all diff --git a/Examples/csharp/funcptr/example.c b/Examples/csharp/funcptr/example.c new file mode 100644 index 000000000..5c4a3dabf --- /dev/null +++ b/Examples/csharp/funcptr/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/Examples/csharp/funcptr/example.h b/Examples/csharp/funcptr/example.h new file mode 100644 index 000000000..58989db79 --- /dev/null +++ b/Examples/csharp/funcptr/example.h @@ -0,0 +1,7 @@ +/* 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); + diff --git a/Examples/csharp/funcptr/example.i b/Examples/csharp/funcptr/example.i new file mode 100644 index 000000000..8b3bef678 --- /dev/null +++ b/Examples/csharp/funcptr/example.i @@ -0,0 +1,16 @@ +/* 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 */ +%constant int (*ADD)(int,int) = add; +%constant int (*SUB)(int,int) = sub; +%constant int (*MUL)(int,int) = mul; + +extern int (*funcvar)(int,int); + diff --git a/Examples/csharp/funcptr/runme.cs b/Examples/csharp/funcptr/runme.cs new file mode 100644 index 000000000..ba2e228ea --- /dev/null +++ b/Examples/csharp/funcptr/runme.cs @@ -0,0 +1,27 @@ + +using System; +using System.Reflection; + +public class runme { + + public static void Main(String[] args) { + + + int a = 37; + int b = 42; + + // Now call our C function with a bunch of callbacks + + Console.WriteLine( "Trying some C callback functions" ); + Console.WriteLine( " a = " + a ); + Console.WriteLine( " b = " + b ); + Console.WriteLine( " ADD(a,b) = " + example.do_op(a,b,example.ADD) ); + Console.WriteLine( " SUB(a,b) = " + example.do_op(a,b,example.SUB) ); + Console.WriteLine( " MUL(a,b) = " + example.do_op(a,b,example.MUL) ); + + Console.WriteLine( "Here is what the C callback function classes are called in C#" ); + Console.WriteLine( " ADD = " + example.ADD.GetType() ); + Console.WriteLine( " SUB = " + example.SUB.GetType() ); + Console.WriteLine( " MUL = " + example.MUL.GetType() ); + } +}