/
exception.c
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/
exception.c
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/*
* exception.c: Exception handling
*
* Authors:
* Paolo Molaro (lupus@ximian.com)
* Dietmar Maurer (dietmar@ximian.com)
* Dick Porter (dick@ximian.com)
* Miguel de Icaza (miguel@ximian.com)
*
* (C) 2001, 2002 Ximian, Inc.
*/
#include <mono/metadata/exception.h>
#include <mono/metadata/class.h>
#include <mono/metadata/appdomain.h>
#include <string.h>
/**
* mono_exception_from_name:
* @image: the Mono image where to look for the class
* @name_space: the namespace for the class
* @name: class name
*
* Creates an exception of the given namespace/name class.
*
* Returns: the initialized exception instance.
*/
MonoException *
mono_exception_from_name (MonoImage *image, const char *name_space,
const char *name)
{
MonoDomain *domain = mono_domain_get ();
MonoClass *klass;
MonoObject *o;
klass = mono_class_from_name (image, name_space, name);
o = mono_object_new (domain, klass);
g_assert (o != NULL);
mono_runtime_object_init (o);
return (MonoException *)o;
}
/**
* mono_exception_from_name_two_strings:
* @image: the Mono image where to look for the class
* @name_space: the namespace for the class
* @name: class name
* @a1: first string argument to pass
* @a2: second string argument to pass
*
* Creates an exception from a constructor that takes two string
* arguments.
*
* Returns: the initialized exception instance.
*/
static MonoException *
mono_exception_from_name_two_strings (MonoImage *image, const char *name_space,
const char *name, MonoString *a1, MonoString *a2)
{
MonoDomain *domain = mono_domain_get ();
MonoClass *klass;
MonoMethod *method = NULL;
MonoObject *o;
int i;
gpointer args [2];
klass = mono_class_from_name (image, name_space, name);
o = mono_object_new (domain, klass);
for (i = 0; i < klass->method.count; ++i) {
MonoMethodSignature *sig;
if (strcmp (".ctor", klass->methods [i]->name))
continue;
sig = klass->methods [i]->signature;
if (sig->param_count != 2)
continue;
if (sig->params [0]->type != MONO_TYPE_STRING ||
sig->params [1]->type != MONO_TYPE_STRING)
continue;
method = klass->methods [i];
}
args [0] = a1;
args [1] = a2;
mono_runtime_invoke (method, o, args, NULL);
return (MonoException *) o;
}
MonoException *
mono_get_exception_divide_by_zero ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"DivideByZeroException");
}
MonoException *
mono_get_exception_security ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"SecurityException");
}
MonoException *
mono_get_exception_thread_abort ()
{
return mono_exception_from_name (mono_defaults.corlib, "System.Threading",
"ThreadAbortException");
}
MonoException *
mono_get_exception_arithmetic ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"ArithmeticException");
}
MonoException *
mono_get_exception_overflow ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"OverflowException");
}
MonoException *
mono_get_exception_null_reference ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"NullReferenceException");
}
MonoException *
mono_get_exception_execution_engine (const guchar *msg)
{
MonoException *ex;
MonoDomain *domain;
ex = mono_exception_from_name (mono_defaults.corlib, "System",
"ExecutionEngineException");
domain = ((MonoObject *)ex)->vtable->domain;
if (msg)
ex->message = mono_string_new (domain, msg);
return ex;
}
MonoException *
mono_get_exception_serialization (const guchar *msg)
{
MonoException *ex;
MonoDomain *domain;
ex = mono_exception_from_name (mono_defaults.corlib, "System.Runtime.Serialization",
"SerializationException");
domain = ((MonoObject *)ex)->vtable->domain;
if (msg)
ex->message = mono_string_new (domain, msg);
return ex;
}
MonoException *
mono_get_exception_invalid_cast ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"InvalidCastException");
}
MonoException *
mono_get_exception_index_out_of_range ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"IndexOutOfRangeException");
}
MonoException *
mono_get_exception_array_type_mismatch ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"ArrayTypeMismatchException");
}
MonoException *
mono_get_exception_type_load (MonoString *type_name)
{
MonoTypeLoadException *exc;
exc = (MonoTypeLoadException *) mono_exception_from_name (mono_defaults.corlib,
"System",
"TypeLoadException");
exc->type_name = type_name;
return (MonoException *) exc;
}
MonoException *
mono_get_exception_not_implemented ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"NotImplementedException");
}
MonoException *
mono_get_exception_missing_method ()
{
return mono_exception_from_name (mono_defaults.corlib, "System",
"MissingMethodException");
}
MonoException*
mono_get_exception_argument_null (const guchar *arg)
{
MonoException *ex;
MonoDomain *domain;
ex = (MonoException *)mono_exception_from_name (
mono_defaults.corlib, "System", "ArgumentNullException");
domain = ((MonoObject *)ex)->vtable->domain;
if (arg)
((MonoArgumentException *)ex)->param_name =
mono_string_new (domain, arg);
return ex;
}
MonoException *
mono_get_exception_argument (const guchar *arg, const guchar *msg)
{
MonoException *ex;
MonoDomain *domain;
ex = (MonoException *)mono_exception_from_name (
mono_defaults.corlib, "System", "ArgumentException");
domain = ((MonoObject *)ex)->vtable->domain;
if (msg)
ex->message = mono_string_new (domain, msg);
if (arg)
((MonoArgumentException *)ex)->param_name =
mono_string_new (domain, arg);
return ex;
}
MonoException *
mono_get_exception_argument_out_of_range (const guchar *arg)
{
MonoException *ex;
MonoDomain *domain;
ex = (MonoException *)mono_exception_from_name (
mono_defaults.corlib, "System", "ArgumentOutOfRangeException");
domain = ((MonoObject *)ex)->vtable->domain;
if (arg)
((MonoArgumentException *)ex)->param_name =
mono_string_new (domain, arg);
return ex;
}
MonoException *
mono_get_exception_thread_state (const guchar *msg)
{
MonoException *ex;
MonoDomain *domain;
ex = (MonoException *)mono_exception_from_name (
mono_defaults.corlib, "System.Threading", "ThreadStateException");
domain = ((MonoObject *)ex)->vtable->domain;
if (msg)
ex->message = mono_string_new (domain, msg);
return ex;
}
MonoException *
mono_get_exception_io (const guchar *msg)
{
MonoException *ex;
MonoDomain *domain;
ex=(MonoException *)mono_exception_from_name (
mono_defaults.corlib, "System.IO", "IOException");
domain = ((MonoObject *)ex)->vtable->domain;
ex->message=mono_string_new (domain, msg);
return(ex);
}
MonoException *
mono_get_exception_file_not_found (MonoString *fname)
{
return mono_exception_from_name_two_strings (
mono_defaults.corlib, "System.IO", "FileNotFoundException", fname, fname);
}
MonoException *
mono_get_exception_type_initialization (const gchar *type_name, MonoException *inner)
{
MonoClass *klass;
gpointer args [2];
MonoObject *exc;
MonoMethod *method;
gint i;
klass = mono_class_from_name (mono_defaults.corlib, "System", "TypeInitializationException");
g_assert (klass);
mono_class_init (klass);
/* TypeInitializationException only has 1 ctor with 2 args */
for (i = 0; i < klass->method.count; ++i) {
method = klass->methods [i];
if (!strcmp (".ctor", method->name) && method->signature->param_count == 2)
break;
method = NULL;
}
g_assert (method);
args [0] = mono_string_new (mono_domain_get (), type_name);
args [1] = inner;
exc = mono_object_new (mono_domain_get (), klass);
mono_runtime_invoke (method, exc, args, NULL);
return (MonoException *) exc;
}
MonoException *
mono_get_exception_synchronization_lock (const guchar *msg)
{
MonoException *ex;
MonoDomain *domain;
ex=(MonoException *)mono_exception_from_name (mono_defaults.corlib, "System.Threading", "SynchronizationLockException");
domain=((MonoObject *)ex)->vtable->domain;
if(msg) {
ex->message=mono_string_new (domain, msg);
}
return(ex);
}