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Java API: added correct error handling.

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2012-11-30 19:43:34 +00:00
parent e87e0991f3
commit d13d6fecbf
2 changed files with 17 additions and 33 deletions
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17
scripts/update_api.py
View file

@ -494,12 +494,12 @@ def mk_java():
java_native.write(' public static class IntPtr { public int value; }\n')
java_native.write(' public static class LongPtr { public long value; }\n')
java_native.write(' public static class StringPtr { public String value; }\n')
java_native.write(' public static class errorHandler { public long ptr; }\n')
java_native.write(' public static native void setInternalErrorHandler(long ctx);\n\n')
if IS_WINDOWS:
java_native.write(' static { System.loadLibrary("%s"); }\n' % get_component('java').dll_name)
else:
java_native.write(' static { System.loadLibrary("%s"); }\n' % get_component('java').dll_name[3:]) # We need 3: to extract the prexi 'lib' form the dll_name
java_native.write('\n\n')
java_native.write('\n')
for name, result, params in _dotnet_decls:
java_native.write(' protected static native %s INTERNAL%s(' % (type2java(result), java_method_name(name)))
first = True
@ -553,6 +553,7 @@ def mk_java():
java_native.write(' }\n\n')
java_native.write('}\n')
java_wrapper = open(java_wrapperf, 'w')
pkg_str = get_component('java').package_name.replace('.', '_')
java_wrapper.write('// Automatically generated file\n')
java_wrapper.write('#include<jni.h>\n')
java_wrapper.write('#include<stdlib.h>\n')
@ -578,7 +579,17 @@ def mk_java():
java_wrapper.write('#define RELEASELONGAELEMS(OLD,NEW) \\\n')
java_wrapper.write(' delete [] NEW; \n\n')
java_wrapper.write('#endif\n\n')
pkg_str = get_component('java').package_name.replace('.', '_')
java_wrapper.write('void Z3JavaErrorHandler(Z3_context c, Z3_error_code e)\n')
java_wrapper.write('{\n')
java_wrapper.write(' // Internal do-nothing error handler. This is required to avoid that Z3 calls exit()\n')
java_wrapper.write(' // upon errors, but the actual error handling is done by throwing exceptions in the\n')
java_wrapper.write(' // wrappers below.\n')
java_wrapper.write('}\n\n')
java_wrapper.write('JNIEXPORT void JNICALL Java_%s_Native_setInternalErrorHandler(JNIEnv * jenv, jclass cls, long a0)\n' % pkg_str)
java_wrapper.write('{\n')
java_wrapper.write(' Z3_set_error_handler((Z3_context)a0, Z3JavaErrorHandler);\n')
java_wrapper.write('}\n\n')
java_wrapper.write('')
for name, result, params in _dotnet_decls:
java_wrapper.write('JNIEXPORT %s JNICALL Java_%s_Native_INTERNAL%s(JNIEnv * jenv, jclass cls' % (type2javaw(result), pkg_str, java_method_name(name)))
i = 0;

33
src/api/java/Context.java
View file

@ -38,12 +38,11 @@ public class Context extends IDisposable
InitContext();
}
private Context(long ctx, long refCount, Native.errorHandler errh)
private Context(long ctx, long refCount)
{
super();
this.m_ctx = ctx;
this.m_refCount = refCount;
this.m_n_err_handler = errh;
}
/**
@ -2908,21 +2907,6 @@ public class Context extends IDisposable
Native.toggleWarningMessages((enabled) ? true : false);
}
// /// <summary>
// /// A delegate which is executed when an error is raised.
// /// </summary>
// /// <remarks>
// /// Note that it is possible for memory leaks to occur if error handlers
// /// throw exceptions.
// /// </remarks>
// public delegate void ErrorHandler(Context ctx, Z3_error_code errorCode,
// String errorString);
// /// <summary>
// /// The OnError event.
// /// </summary>
// public event ErrorHandler OnError = null;
/**
* Update a mutable configuration parameter. <remarks> The list of all
* configuration parameters can be obtained using the Z3 executable:
@ -2950,26 +2934,16 @@ public class Context extends IDisposable
}
long m_ctx = 0;
Native.errorHandler m_n_err_handler = null;
long nCtx()
{
return m_ctx;
}
// void NativeErrorHandler(long ctx, Z3_error_code errorCode)
// {
// // Do-nothing error handler. The wrappers in Z3.Native will throw
// exceptions upon errors.
// }
void InitContext() throws Z3Exception
{
setPrintMode(Z3_ast_print_mode.Z3_PRINT_SMTLIB2_COMPLIANT);
// m_n_err_handler = new Native.errorHandler(NativeErrorHandler); //
// keep reference so it doesn't get collected.
// if (m_n_err_handler != null) Native.setErrorHandler(m_ctx,
// m_n_err_handler);
Native.setInternalErrorHandler(nCtx());
}
void CheckContextMatch(Z3Object other) throws Z3Exception
@ -3087,7 +3061,6 @@ public class Context extends IDisposable
if (m_refCount == 0)
{
m_n_err_handler = null;
try
{
Native.delContext(m_ctx);
@ -3099,7 +3072,7 @@ public class Context extends IDisposable
} else
/* re-queue the finalizer */
/* BUG: DRQ's need to be taken over too! */
new Context(m_ctx, m_refCount, m_n_err_handler);
new Context(m_ctx, m_refCount);
}
/**