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Support for throwing C# exceptions from C/C++

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Fix for pinvoke methods calling convention on Windows (__stdcall). The default calling conventions in the C# 'extern' method now matches the C function calling convention declaration.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5017 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2003-08-29 20:02:10 +00:00
commit 4a8e40a3ae
1 changed files with 97 additions and 41 deletions
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138
Lib/csharp/csharphead.swg
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@ -9,61 +9,117 @@
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef WIN32
#if defined(_WIN32) || defined(__CYGWIN32__)
# define DllExport __declspec( dllexport )
# define SWIGSTDCALL __stdcall
#else
# define DllExport
# define SWIGSTDCALL
#endif
%}
#if 0
%insert(runtime) %{
/* Support for throwing CSharp exceptions */
/* Support for throwing C# exceptions from C/C++ */
typedef enum {
SWIG_JavaOutOfMemoryError = 1,
SWIG_JavaIOException,
SWIG_JavaRuntimeException,
SWIG_JavaIndexOutOfBoundsException,
SWIG_JavaArithmeticException,
SWIG_JavaIllegalArgumentException,
SWIG_JavaNullPointerException,
SWIG_JavaUnknownError
} SWIG_JavaExceptionCodes;
SWIG_CSharpException,
SWIG_CSharpOutOfMemoryException,
SWIG_CSharpIndexOutOfRangeException,
SWIG_CSharpDivideByZeroException,
SWIG_CSharpArgumentOutOfRangeException,
SWIG_CSharpNullReferenceException
} SWIG_CSharpExceptionCodes;
typedef void (SWIGSTDCALL* SWIG_CSharpExceptionCallback_t)(const char *);
typedef struct {
SWIG_JavaExceptionCodes code;
const char *java_exception;
} SWIG_JavaExceptions_t;
SWIG_CSharpExceptionCodes code;
SWIG_CSharpExceptionCallback_t callback;
} SWIG_CSharpExceptions_t;
static SWIG_CSharpExceptions_t csharp_exceptions[] = {
{ SWIG_CSharpException, NULL },
{ SWIG_CSharpOutOfMemoryException, NULL },
{ SWIG_CSharpIndexOutOfRangeException, NULL },
{ SWIG_CSharpDivideByZeroException, NULL },
{ SWIG_CSharpArgumentOutOfRangeException, NULL },
{ SWIG_CSharpNullReferenceException, NULL } };
#if defined(SWIG_NOINCLUDE)
void SWIG_JavaThrowException(JNIEnv *jenv, SWIG_JavaExceptionCodes code, const char *msg);
void SWIG_CSharpThrowException(SWIG_CSharpExceptionCodes code, const char *msg);
#else
%}
%insert(runtime) {
void SWIG_JavaThrowException(JNIEnv *jenv, SWIG_JavaExceptionCodes code, const char *msg) {
jclass excep;
static const SWIG_JavaExceptions_t java_exceptions[] = {
{ SWIG_JavaOutOfMemoryError, "java/lang/OutOfMemoryError" },
{ SWIG_JavaIOException, "java/io/IOException" },
{ SWIG_JavaRuntimeException, "java/lang/RuntimeException" },
{ SWIG_JavaIndexOutOfBoundsException, "java/lang/IndexOutOfBoundsException" },
{ SWIG_JavaArithmeticException, "java/lang/ArithmeticException" },
{ SWIG_JavaIllegalArgumentException, "java/lang/IllegalArgumentException" },
{ SWIG_JavaNullPointerException, "java/lang/NullPointerException" },
{ SWIG_JavaUnknownError, "java/lang/UnknownError" },
{ (SWIG_JavaExceptionCodes)0, "java/lang/UnknownError" } };
const SWIG_JavaExceptions_t *except_ptr = java_exceptions;
while (except_ptr->code != code && except_ptr->code)
except_ptr++;
JCALL0(ExceptionClear, jenv);
excep = JCALL1(FindClass, jenv, except_ptr->java_exception);
if (excep)
JCALL2(ThrowNew, jenv, excep, msg);
void SWIG_CSharpThrowException(SWIG_CSharpExceptionCodes code, const char *msg) {
SWIG_CSharpExceptionCallback_t callback = csharp_exceptions[SWIG_CSharpException].callback;
if (code >=0 && code < sizeof(csharp_exceptions)/sizeof(SWIG_CSharpExceptionCodes)) {
callback = csharp_exceptions[code].callback;
}
callback(msg);
}
}
%insert(runtime) %{
#endif
%}
%{
#ifdef __cplusplus
extern "C"
#endif
DllExport void SWIGSTDCALL SWIGRegisterExceptionCallbacks(SWIG_CSharpExceptionCallback_t systemException,
SWIG_CSharpExceptionCallback_t outOfMemory,
SWIG_CSharpExceptionCallback_t indexOutOfRange,
SWIG_CSharpExceptionCallback_t divideByZero,
SWIG_CSharpExceptionCallback_t argumentOutOfRange,
SWIG_CSharpExceptionCallback_t nullReference) {
csharp_exceptions[SWIG_CSharpException].callback = systemException;
csharp_exceptions[SWIG_CSharpOutOfMemoryException].callback = outOfMemory;
csharp_exceptions[SWIG_CSharpIndexOutOfRangeException].callback = indexOutOfRange;
csharp_exceptions[SWIG_CSharpDivideByZeroException].callback = divideByZero;
csharp_exceptions[SWIG_CSharpArgumentOutOfRangeException].callback = argumentOutOfRange;
csharp_exceptions[SWIG_CSharpNullReferenceException].callback = nullReference;
}
%}
%pragma(csharp) imclasscode=%{
public delegate void SWIGExceptionDelegate(string message);
static SWIGExceptionDelegate systemDelegate = new SWIGExceptionDelegate(ThrowSystemException);
static SWIGExceptionDelegate outOfMemoryDelegate = new SWIGExceptionDelegate(ThrowOutOfMemoryException);
static SWIGExceptionDelegate indexOutOfRangeDelegate = new SWIGExceptionDelegate(ThrowIndexOutOfRangeException);
static SWIGExceptionDelegate divideByZeroDelegate = new SWIGExceptionDelegate(ThrowDivideByZeroException);
static SWIGExceptionDelegate argumentOutOfRangeDelegate = new SWIGExceptionDelegate(ThrowArgumentOutOfRangeException);
static SWIGExceptionDelegate nullReferenceDelegate = new SWIGExceptionDelegate(ThrowNullReferenceException);
[DllImport("$module", EntryPoint="SWIGRegisterExceptionCallbacks")]
public static extern void SWIGRegisterExceptionCallbacks(
SWIGExceptionDelegate systemExceptionDelegate,
SWIGExceptionDelegate outOfMemoryDelegate,
SWIGExceptionDelegate indexOutOfRangeDelegate,
SWIGExceptionDelegate divideByZeroDelegate,
SWIGExceptionDelegate argumentOutOfRangeDelegate,
SWIGExceptionDelegate nullReferenceDelegate);
static void ThrowSystemException(string message) {
throw new System.SystemException(message);
}
static void ThrowOutOfMemoryException(string message) {
throw new System.OutOfMemoryException(message);
}
static void ThrowIndexOutOfRangeException(string message) {
throw new System.IndexOutOfRangeException(message);
}
static void ThrowDivideByZeroException(string message) {
throw new System.DivideByZeroException(message);
}
static void ThrowArgumentOutOfRangeException(string message) {
throw new System.ArgumentOutOfRangeException(message);
}
static void ThrowNullReferenceException(string message) {
throw new System.NullReferenceException(message);
}
static $modulePINVOKE() {
SWIGRegisterExceptionCallbacks(systemDelegate, outOfMemoryDelegate, indexOutOfRangeDelegate, divideByZeroDelegate, argumentOutOfRangeDelegate, nullReferenceDelegate);
}
%}