From da246698a3b0d8b7997e554c5d14852da9efebcf Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Tue, 18 Nov 2003 22:39:37 +0000
Subject: [PATCH] Contract assert macro added

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5340 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 SWIG/Lib/csharp/csharphead.swg | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SWIG/Lib/csharp/csharphead.swg b/SWIG/Lib/csharp/csharphead.swg
index 63461909c..cd78a963a 100644
--- a/SWIG/Lib/csharp/csharphead.swg
+++ b/SWIG/Lib/csharp/csharphead.swg
@@ -162,4 +162,8 @@ extern "C"
 DllExport void SWIGSTDCALL SWIGRegisterStringCallback_$module(SWIG_CSharpStringHelperCallback callback) {
   SWIG_csharp_string_callback = callback;
 }
+
+/* Contract support */
+
+#define SWIG_contract_assert(nullreturn, expr, msg) if (!(expr)) {SWIG_JavaThrowException(jenv, SWIG_JavaIllegalArgumentException, msg); return nullreturn; } else
 %}