6 * Rodrigo Kumpera (rkumpera@novell.com)
7 * Copyright 2009 Novell, Inc (http://www.novell.com)
8 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
13 #include "mono-error.h"
14 #include "mono-error-internals.h"
16 #include <mono/metadata/exception.h>
17 #include <mono/metadata/exception-internals.h>
18 #include <mono/metadata/debug-helpers.h>
19 #include <mono/metadata/object-internals.h>
21 #define set_error_messagev() do { \
22 if (!(error->full_message = g_strdup_vprintf (msg_format, args))) \
23 error->flags |= MONO_ERROR_INCOMPLETE; \
26 #define set_error_message() do { \
28 va_start (args, msg_format); \
29 set_error_messagev(); \
34 mono_error_set_generic_errorv (MonoError *oerror, const char *name_space, const char *name, const char *msg_format, va_list args);
37 is_managed_exception (MonoErrorInternal *error)
39 return (error->error_code == MONO_ERROR_EXCEPTION_INSTANCE);
43 is_boxed (MonoErrorInternal *error)
45 return ((error->flags & MONO_ERROR_MEMPOOL_BOXED) != 0);
49 mono_error_prepare (MonoErrorInternal *error)
51 /* mono_error_set_* after a mono_error_cleanup without an intervening init */
52 g_assert (error->error_code != MONO_ERROR_CLEANUP_CALLED_SENTINEL);
53 if (error->error_code != MONO_ERROR_NONE)
56 error->type_name = error->assembly_name = error->member_name = error->full_message = error->exception_name_space = error->exception_name = error->full_message_with_fields = error->first_argument = NULL;
57 error->exn.klass = NULL;
61 get_class (MonoErrorInternal *error)
63 MonoClass *klass = NULL;
64 if (is_managed_exception (error))
65 klass = mono_object_class (mono_gchandle_get_target (error->exn.instance_handle));
67 klass = error->exn.klass;
72 get_type_name (MonoErrorInternal *error)
75 return error->type_name;
76 MonoClass *klass = get_class (error);
79 return "<unknown type>";
83 get_assembly_name (MonoErrorInternal *error)
85 if (error->assembly_name)
86 return error->assembly_name;
87 MonoClass *klass = get_class (error);
88 if (klass && klass->image)
89 return klass->image->name;
90 return "<unknown assembly>";
94 mono_error_init_flags (MonoError *oerror, unsigned short flags)
96 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
97 g_assert (sizeof (MonoError) == sizeof (MonoErrorInternal));
99 error->error_code = MONO_ERROR_NONE;
100 error->flags = flags;
105 * @error: Pointer to MonoError struct to initialize
107 * Any function which takes a MonoError for purposes of reporting an error
108 * is required to call either this or mono_error_init_flags on entry.
111 mono_error_init (MonoError *error)
113 mono_error_init_flags (error, 0);
117 mono_error_cleanup (MonoError *oerror)
119 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
120 short int orig_error_code = error->error_code;
121 gboolean free_strings = error->flags & MONO_ERROR_FREE_STRINGS;
122 gboolean has_instance_handle = is_managed_exception (error);
124 /* Two cleanups in a row without an intervening init. */
125 g_assert (orig_error_code != MONO_ERROR_CLEANUP_CALLED_SENTINEL);
126 /* Mempool stored error shouldn't be cleaned up */
127 g_assert (!is_boxed (error));
129 /* Mark it as cleaned up. */
130 error->error_code = MONO_ERROR_CLEANUP_CALLED_SENTINEL;
133 if (orig_error_code == MONO_ERROR_NONE)
137 if (has_instance_handle)
138 mono_gchandle_free (error->exn.instance_handle);
141 g_free ((char*)error->full_message);
142 g_free ((char*)error->full_message_with_fields);
143 error->full_message = NULL;
144 error->full_message_with_fields = NULL;
145 if (!free_strings) //no memory was allocated
148 g_free ((char*)error->type_name);
149 g_free ((char*)error->assembly_name);
150 g_free ((char*)error->member_name);
151 g_free ((char*)error->exception_name_space);
152 g_free ((char*)error->exception_name);
153 g_free ((char*)error->first_argument);
154 error->type_name = error->assembly_name = error->member_name = error->exception_name_space = error->exception_name = error->first_argument = NULL;
155 error->exn.klass = NULL;
160 mono_error_ok (MonoError *error)
162 return error->error_code == MONO_ERROR_NONE;
166 mono_error_assert_ok_pos (MonoError *error, const char* filename, int lineno)
168 if (mono_error_ok (error))
171 g_error ("%s:%d: %s\n", filename, lineno, mono_error_get_message (error));
175 mono_error_get_error_code (MonoError *error)
177 return error->error_code;
180 /*Return a pointer to the internal error message, might be NULL.
181 Caller should not release it.*/
183 mono_error_get_message (MonoError *oerror)
185 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
186 if (error->error_code == MONO_ERROR_NONE)
188 if (error->full_message_with_fields)
189 return error->full_message_with_fields;
191 error->full_message_with_fields = g_strdup_printf ("%s assembly:%s type:%s member:%s",
193 get_assembly_name (error),
194 get_type_name (error),
195 error->member_name ? error->member_name : "<none>");
197 return error->full_message_with_fields ? error->full_message_with_fields : error->full_message;
201 * Inform that this error has heap allocated strings.
202 * The strings will be duplicated if @dup_strings is TRUE
203 * otherwise they will just be free'd in mono_error_cleanup.
206 mono_error_dup_strings (MonoError *oerror, gboolean dup_strings)
208 #define DUP_STR(field) do { if (error->field) {\
209 if (!(error->field = g_strdup (error->field))) \
210 error->flags |= MONO_ERROR_INCOMPLETE; \
213 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
214 error->flags |= MONO_ERROR_FREE_STRINGS;
218 DUP_STR (assembly_name);
219 DUP_STR (member_name);
220 DUP_STR (exception_name_space);
221 DUP_STR (exception_name);
222 DUP_STR (first_argument);
228 mono_error_set_error (MonoError *oerror, int error_code, const char *msg_format, ...)
230 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
231 mono_error_prepare (error);
233 error->error_code = error_code;
234 set_error_message ();
238 mono_error_set_assembly_name (MonoError *oerror, const char *assembly_name)
240 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
241 g_assert (error->error_code != MONO_ERROR_NONE);
243 error->assembly_name = assembly_name;
247 mono_error_set_member_name (MonoError *oerror, const char *member_name)
249 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
251 error->member_name = member_name;
255 mono_error_set_type_name (MonoError *oerror, const char *type_name)
257 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
259 error->type_name = type_name;
263 mono_error_set_class (MonoError *oerror, MonoClass *klass)
265 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
267 if (is_managed_exception (error))
269 error->exn.klass = klass;
273 mono_error_set_corlib_exception (MonoError *oerror, const char *name_space, const char *name)
275 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
277 error->exception_name_space = name_space;
278 error->exception_name = name;
283 mono_error_set_assembly_load (MonoError *oerror, const char *assembly_name, const char *msg_format, ...)
285 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
286 mono_error_prepare (error);
288 error->error_code = MONO_ERROR_FILE_NOT_FOUND;
289 mono_error_set_assembly_name (oerror, assembly_name);
291 set_error_message ();
296 mono_error_set_assembly_load_simple (MonoError *oerror, const char *assembly_name, gboolean refection_only)
299 mono_error_set_assembly_load (oerror, assembly_name, "Cannot resolve dependency to assembly because it has not been preloaded. When using the ReflectionOnly APIs, dependent assemblies must be pre-loaded or loaded on demand through the ReflectionOnlyAssemblyResolve event.");
301 mono_error_set_assembly_load (oerror, assembly_name, "Could not load file or assembly '%s' or one of its dependencies.", assembly_name);
305 mono_error_set_type_load_class (MonoError *oerror, MonoClass *klass, const char *msg_format, ...)
308 va_start (args, msg_format);
309 mono_error_vset_type_load_class (oerror, klass, msg_format, args);
314 mono_error_vset_type_load_class (MonoError *oerror, MonoClass *klass, const char *msg_format, va_list args)
316 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
317 mono_error_prepare (error);
319 error->error_code = MONO_ERROR_TYPE_LOAD;
320 mono_error_set_class (oerror, klass);
321 set_error_messagev ();
325 * Different than other functions, this one here assumes that type_name and assembly_name to have been allocated just for us.
326 * Which means mono_error_cleanup will free them.
329 mono_error_set_type_load_name (MonoError *oerror, const char *type_name, const char *assembly_name, const char *msg_format, ...)
331 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
332 mono_error_prepare (error);
334 error->error_code = MONO_ERROR_TYPE_LOAD;
335 mono_error_set_type_name (oerror, type_name);
336 mono_error_set_assembly_name (oerror, assembly_name);
337 mono_error_dup_strings (oerror, FALSE);
338 set_error_message ();
342 mono_error_set_method_load (MonoError *oerror, MonoClass *klass, const char *method_name, const char *msg_format, ...)
344 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
345 mono_error_prepare (error);
347 error->error_code = MONO_ERROR_MISSING_METHOD;
348 mono_error_set_class (oerror, klass);
349 mono_error_set_member_name (oerror, method_name);
350 set_error_message ();
354 mono_error_set_field_load (MonoError *oerror, MonoClass *klass, const char *field_name, const char *msg_format, ...)
356 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
357 mono_error_prepare (error);
359 error->error_code = MONO_ERROR_MISSING_FIELD;
360 mono_error_set_class (oerror, klass);
361 mono_error_set_member_name (oerror, field_name);
362 set_error_message ();
366 mono_error_set_bad_image_name (MonoError *oerror, const char *assembly_name, const char *msg_format, ...)
368 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
369 mono_error_prepare (error);
371 error->error_code = MONO_ERROR_BAD_IMAGE;
372 mono_error_set_assembly_name (oerror, assembly_name);
373 set_error_message ();
377 mono_error_set_bad_image (MonoError *oerror, MonoImage *image, const char *msg_format, ...)
379 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
380 mono_error_prepare (error);
382 error->error_code = MONO_ERROR_BAD_IMAGE;
383 error->assembly_name = image ? mono_image_get_name (image) : "<no_image>";
384 set_error_message ();
388 mono_error_set_generic_errorv (MonoError *oerror, const char *name_space, const char *name, const char *msg_format, va_list args)
390 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
391 mono_error_prepare (error);
393 error->error_code = MONO_ERROR_GENERIC;
394 mono_error_set_corlib_exception (oerror, name_space, name);
395 set_error_messagev ();
399 mono_error_set_generic_error (MonoError *oerror, const char * name_space, const char *name, const char *msg_format, ...)
402 va_start (args, msg_format);
403 mono_error_set_generic_errorv (oerror, name_space, name, msg_format, args);
408 * mono_error_set_not_implemented:
410 * System.NotImplementedException
413 mono_error_set_not_implemented (MonoError *oerror, const char *msg_format, ...)
416 va_start (args, msg_format);
417 mono_error_set_generic_errorv (oerror, "System", "NotImplementedException", msg_format, args);
422 * mono_error_set_execution_engine:
424 * System.ExecutionEngineException
427 mono_error_set_execution_engine (MonoError *oerror, const char *msg_format, ...)
430 va_start (args, msg_format);
431 mono_error_set_generic_errorv (oerror, "System", "ExecutionEngineException", msg_format, args);
436 * mono_error_set_not_supported:
438 * System.NotSupportedException
441 mono_error_set_not_supported (MonoError *oerror, const char *msg_format, ...)
444 va_start (args, msg_format);
445 mono_error_set_generic_errorv (oerror, "System", "NotSupportedException", msg_format, args);
450 * mono_error_set_invalid_operation:
452 * System.InvalidOperationException
455 mono_error_set_invalid_operation (MonoError *oerror, const char *msg_format, ...)
458 va_start (args, msg_format);
459 mono_error_set_generic_errorv (oerror, "System", "InvalidOperationException", msg_format, args);
464 mono_error_set_invalid_program (MonoError *oerror, const char *msg_format, ...)
466 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
468 mono_error_prepare (error);
469 error->error_code = MONO_ERROR_INVALID_PROGRAM;
471 set_error_message ();
475 mono_error_set_exception_instance (MonoError *oerror, MonoException *exc)
477 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
479 mono_error_prepare (error);
480 error->error_code = MONO_ERROR_EXCEPTION_INSTANCE;
481 error->exn.instance_handle = mono_gchandle_new (exc ? &exc->object : NULL, FALSE);
485 mono_error_set_exception_handle (MonoError *oerror, MonoExceptionHandle exc)
487 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
489 mono_error_prepare (error);
490 error->error_code = MONO_ERROR_EXCEPTION_INSTANCE;
491 error->exn.instance_handle = mono_gchandle_from_handle (MONO_HANDLE_CAST(MonoObject, exc), FALSE);
495 mono_error_set_out_of_memory (MonoError *oerror, const char *msg_format, ...)
497 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
498 mono_error_prepare (error);
500 error->error_code = MONO_ERROR_OUT_OF_MEMORY;
502 set_error_message ();
506 mono_error_set_argument (MonoError *oerror, const char *argument, const char *msg_format, ...)
508 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
509 mono_error_prepare (error);
511 error->error_code = MONO_ERROR_ARGUMENT;
512 error->first_argument = argument;
514 set_error_message ();
518 mono_error_set_argument_null (MonoError *oerror, const char *argument, const char *msg_format, ...)
520 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
521 mono_error_prepare (error);
523 error->error_code = MONO_ERROR_ARGUMENT_NULL;
524 error->first_argument = argument;
526 set_error_message ();
530 mono_error_set_not_verifiable (MonoError *oerror, MonoMethod *method, const char *msg_format, ...)
532 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
533 mono_error_prepare (error);
535 error->error_code = MONO_ERROR_NOT_VERIFIABLE;
537 mono_error_set_class (oerror, method->klass);
538 mono_error_set_member_name (oerror, mono_method_full_name (method, 1));
541 set_error_message ();
546 get_type_name_as_mono_string (MonoErrorInternal *error, MonoDomain *domain, MonoError *error_out)
548 MonoString* res = NULL;
550 if (error->type_name) {
551 res = mono_string_new (domain, error->type_name);
554 MonoClass *klass = get_class (error);
556 char *name = mono_type_full_name (&klass->byval_arg);
558 res = mono_string_new (domain, name);
564 mono_error_set_out_of_memory (error_out, "Could not allocate type name");
569 set_message_on_exception (MonoException *exception, MonoErrorInternal *error, MonoError *error_out)
571 MonoString *msg = mono_string_new (mono_domain_get (), error->full_message);
573 MONO_OBJECT_SETREF (exception, message, msg);
575 mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
578 /*Can fail with out-of-memory*/
580 mono_error_prepare_exception (MonoError *oerror, MonoError *error_out)
582 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
584 MonoException* exception = NULL;
585 MonoString *assembly_name = NULL, *type_name = NULL, *method_name = NULL, *field_name = NULL, *msg = NULL;
586 MonoDomain *domain = mono_domain_get ();
588 error_init (error_out);
590 switch (error->error_code) {
591 case MONO_ERROR_NONE:
594 case MONO_ERROR_MISSING_METHOD:
595 if ((error->type_name || error->exn.klass) && error->member_name) {
596 type_name = get_type_name_as_mono_string (error, domain, error_out);
597 if (!mono_error_ok (error_out))
600 method_name = mono_string_new (domain, error->member_name);
602 mono_error_set_out_of_memory (error_out, "Could not allocate method name");
606 exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingMethodException", type_name, method_name, error_out);
608 set_message_on_exception (exception, error, error_out);
610 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", error->full_message);
614 case MONO_ERROR_MISSING_FIELD:
615 if ((error->type_name || error->exn.klass) && error->member_name) {
616 type_name = get_type_name_as_mono_string (error, domain, error_out);
617 if (!mono_error_ok (error_out))
620 field_name = mono_string_new (domain, error->member_name);
622 mono_error_set_out_of_memory (error_out, "Could not allocate field name");
626 exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingFieldException", type_name, field_name, error_out);
628 set_message_on_exception (exception, error, error_out);
630 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", error->full_message);
634 case MONO_ERROR_TYPE_LOAD:
635 if ((error->type_name && error->assembly_name) || error->exn.klass) {
636 type_name = get_type_name_as_mono_string (error, domain, error_out);
637 if (!mono_error_ok (error_out))
640 if (error->assembly_name) {
641 assembly_name = mono_string_new (domain, error->assembly_name);
642 if (!assembly_name) {
643 mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
648 exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name, error_out);
649 if (exception && error->full_message != NULL && strcmp (error->full_message, ""))
650 set_message_on_exception (exception, error, error_out);
652 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", error->full_message);
656 case MONO_ERROR_FILE_NOT_FOUND:
657 case MONO_ERROR_BAD_IMAGE:
658 if (error->assembly_name) {
659 msg = mono_string_new (domain, error->full_message);
661 mono_error_set_out_of_memory (error_out, "Could not allocate message");
665 if (error->assembly_name) {
666 assembly_name = mono_string_new (domain, error->assembly_name);
667 if (!assembly_name) {
668 mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
673 if (error->error_code == MONO_ERROR_FILE_NOT_FOUND)
674 exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System.IO", "FileNotFoundException", msg, assembly_name, error_out);
676 exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "BadImageFormatException", msg, assembly_name, error_out);
678 if (error->error_code == MONO_ERROR_FILE_NOT_FOUND)
679 exception = mono_exception_from_name_msg (mono_get_corlib (), "System.IO", "FileNotFoundException", error->full_message);
681 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "BadImageFormatException", error->full_message);
685 case MONO_ERROR_OUT_OF_MEMORY:
686 exception = mono_get_exception_out_of_memory ();
689 case MONO_ERROR_ARGUMENT:
690 exception = mono_get_exception_argument (error->first_argument, error->full_message);
693 case MONO_ERROR_ARGUMENT_NULL:
694 exception = mono_get_exception_argument_null (error->first_argument);
697 case MONO_ERROR_NOT_VERIFIABLE: {
698 char *type_name = NULL, *message;
699 if (error->exn.klass) {
700 type_name = mono_type_get_full_name (error->exn.klass);
702 mono_error_set_out_of_memory (error_out, "Could not allocate message");
706 message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, error->full_message);
709 mono_error_set_out_of_memory (error_out, "Could not allocate message");
712 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message);
717 case MONO_ERROR_GENERIC:
718 if (!error->exception_name_space || !error->exception_name)
719 mono_error_set_execution_engine (error_out, "MonoError with generic error but no exception name was supplied");
721 exception = mono_exception_from_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, error->full_message);
724 case MONO_ERROR_EXCEPTION_INSTANCE:
725 exception = (MonoException*) mono_gchandle_get_target (error->exn.instance_handle);
728 case MONO_ERROR_CLEANUP_CALLED_SENTINEL:
729 mono_error_set_execution_engine (error_out, "MonoError reused after mono_error_cleanup");
732 case MONO_ERROR_INVALID_PROGRAM: {
733 gboolean lacks_message = error->flags & MONO_ERROR_INCOMPLETE;
735 return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", "");
737 return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", error->full_message);
740 mono_error_set_execution_engine (error_out, "Invalid error-code %d", error->error_code);
743 if (!mono_error_ok (error_out))
746 mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
751 Convert this MonoError to an exception if it's faulty or return NULL.
752 The error object is cleant after.
756 mono_error_convert_to_exception (MonoError *target_error)
761 /* Mempool stored error shouldn't be cleaned up */
762 g_assert (!is_boxed ((MonoErrorInternal*)target_error));
764 if (mono_error_ok (target_error))
767 ex = mono_error_prepare_exception (target_error, &error);
768 if (!mono_error_ok (&error)) {
769 MonoError second_chance;
770 /*Try to produce the exception for the second error. FIXME maybe we should log about the original one*/
771 ex = mono_error_prepare_exception (&error, &second_chance);
773 g_assert (mono_error_ok (&second_chance)); /*We can't reasonable handle double faults, maybe later.*/
774 mono_error_cleanup (&error);
776 mono_error_cleanup (target_error);
781 mono_error_move (MonoError *dest, MonoError *src)
783 memcpy (dest, src, sizeof (MonoErrorInternal));
789 * @ierror: The input error that will be boxed.
790 * @image: The mempool of this image will hold the boxed error.
792 * Creates a new boxed error in the given mempool from MonoError.
793 * It does not alter ierror, so you still have to clean it up with
794 * mono_error_cleanup or mono_error_convert_to_exception or another such function.
796 * Returns the boxed error, or NULL if the mempool could not allocate.
799 mono_error_box (const MonoError *ierror, MonoImage *image)
801 MonoErrorInternal *from = (MonoErrorInternal*)ierror;
802 /* Don't know how to box a gchandle */
803 g_assert (!is_managed_exception (from));
804 MonoErrorBoxed* box = mono_image_alloc (image, sizeof (MonoErrorBoxed));
806 mono_error_init_flags (&box->error, MONO_ERROR_MEMPOOL_BOXED);
807 MonoErrorInternal *to = (MonoErrorInternal*)&box->error;
809 #define DUP_STR(field) do { \
811 if (!(to->field = mono_image_strdup (image, from->field))) \
812 to->flags |= MONO_ERROR_INCOMPLETE; \
818 to->error_code = from->error_code;
820 DUP_STR (assembly_name);
821 DUP_STR (member_name);
822 DUP_STR (exception_name_space);
823 DUP_STR (exception_name);
824 DUP_STR (full_message);
825 DUP_STR (full_message_with_fields);
826 DUP_STR (first_argument);
827 to->exn.klass = from->exn.klass;
836 * mono_error_set_from_boxed:
837 * @oerror: The error that will be set to the contents of the box.
838 * @box: A mempool-allocated error.
840 * Sets the error condition in the oerror from the contents of the
841 * given boxed error. Does not alter the boxed error, so it can be
842 * used in a future call to mono_error_set_from_boxed as needed. The
843 * oerror should've been previously initialized with mono_error_init,
846 * Returns TRUE on success or FALSE on failure.
849 mono_error_set_from_boxed (MonoError *oerror, const MonoErrorBoxed *box)
851 MonoErrorInternal* to = (MonoErrorInternal*)oerror;
852 MonoErrorInternal* from = (MonoErrorInternal*)&box->error;
853 g_assert (!is_managed_exception (from));
855 mono_error_prepare (to);
856 to->flags |= MONO_ERROR_FREE_STRINGS;
857 #define DUP_STR(field) do { \
859 if (!(to->field = g_strdup (from->field))) \
860 to->flags |= MONO_ERROR_INCOMPLETE; \
866 to->error_code = from->error_code;
868 DUP_STR (assembly_name);
869 DUP_STR (member_name);
870 DUP_STR (exception_name_space);
871 DUP_STR (exception_name);
872 DUP_STR (full_message);
873 DUP_STR (full_message_with_fields);
874 DUP_STR (first_argument);
875 to->exn.klass = from->exn.klass;
878 return (to->flags & MONO_ERROR_INCOMPLETE) == 0 ;