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 * \param error Pointer to \c MonoError struct to initialize
106 * Any function which takes a \c MonoError for purposes of reporting an error
107 * is required to call either this or \c mono_error_init_flags on entry.
110 mono_error_init (MonoError *error)
112 mono_error_init_flags (error, 0);
116 mono_error_cleanup (MonoError *oerror)
118 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
119 short int orig_error_code = error->error_code;
120 gboolean free_strings = error->flags & MONO_ERROR_FREE_STRINGS;
121 gboolean has_instance_handle = is_managed_exception (error);
123 /* Two cleanups in a row without an intervening init. */
124 g_assert (orig_error_code != MONO_ERROR_CLEANUP_CALLED_SENTINEL);
125 /* Mempool stored error shouldn't be cleaned up */
126 g_assert (!is_boxed (error));
128 /* Mark it as cleaned up. */
129 error->error_code = MONO_ERROR_CLEANUP_CALLED_SENTINEL;
132 if (orig_error_code == MONO_ERROR_NONE)
136 if (has_instance_handle)
137 mono_gchandle_free (error->exn.instance_handle);
140 g_free ((char*)error->full_message);
141 g_free ((char*)error->full_message_with_fields);
142 error->full_message = NULL;
143 error->full_message_with_fields = NULL;
144 if (!free_strings) //no memory was allocated
147 g_free ((char*)error->type_name);
148 g_free ((char*)error->assembly_name);
149 g_free ((char*)error->member_name);
150 g_free ((char*)error->exception_name_space);
151 g_free ((char*)error->exception_name);
152 g_free ((char*)error->first_argument);
153 error->type_name = error->assembly_name = error->member_name = error->exception_name_space = error->exception_name = error->first_argument = NULL;
154 error->exn.klass = NULL;
159 mono_error_ok (MonoError *error)
161 return error->error_code == MONO_ERROR_NONE;
165 mono_error_assert_ok_pos (MonoError *error, const char* filename, int lineno)
167 if (mono_error_ok (error))
170 g_error ("%s:%d: %s\n", filename, lineno, mono_error_get_message (error));
174 mono_error_get_error_code (MonoError *error)
176 return error->error_code;
179 /*Return a pointer to the internal error message, might be NULL.
180 Caller should not release it.*/
182 mono_error_get_message (MonoError *oerror)
184 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
185 if (error->error_code == MONO_ERROR_NONE)
187 if (error->full_message_with_fields)
188 return error->full_message_with_fields;
190 error->full_message_with_fields = g_strdup_printf ("%s assembly:%s type:%s member:%s",
192 get_assembly_name (error),
193 get_type_name (error),
194 error->member_name ? error->member_name : "<none>");
196 return error->full_message_with_fields ? error->full_message_with_fields : error->full_message;
200 * Inform that this error has heap allocated strings.
201 * The strings will be duplicated if @dup_strings is TRUE
202 * otherwise they will just be free'd in mono_error_cleanup.
205 mono_error_dup_strings (MonoError *oerror, gboolean dup_strings)
207 #define DUP_STR(field) do { if (error->field) {\
208 if (!(error->field = g_strdup (error->field))) \
209 error->flags |= MONO_ERROR_INCOMPLETE; \
212 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
213 error->flags |= MONO_ERROR_FREE_STRINGS;
217 DUP_STR (assembly_name);
218 DUP_STR (member_name);
219 DUP_STR (exception_name_space);
220 DUP_STR (exception_name);
221 DUP_STR (first_argument);
227 mono_error_set_error (MonoError *oerror, int error_code, const char *msg_format, ...)
229 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
230 mono_error_prepare (error);
232 error->error_code = error_code;
233 set_error_message ();
237 mono_error_set_assembly_name (MonoError *oerror, const char *assembly_name)
239 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
240 g_assert (error->error_code != MONO_ERROR_NONE);
242 error->assembly_name = assembly_name;
246 mono_error_set_member_name (MonoError *oerror, const char *member_name)
248 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
250 error->member_name = member_name;
254 mono_error_set_type_name (MonoError *oerror, const char *type_name)
256 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
258 error->type_name = type_name;
262 mono_error_set_class (MonoError *oerror, MonoClass *klass)
264 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
266 if (is_managed_exception (error))
268 error->exn.klass = klass;
272 mono_error_set_corlib_exception (MonoError *oerror, const char *name_space, const char *name)
274 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
276 error->exception_name_space = name_space;
277 error->exception_name = name;
282 mono_error_set_assembly_load (MonoError *oerror, const char *assembly_name, const char *msg_format, ...)
284 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
285 mono_error_prepare (error);
287 error->error_code = MONO_ERROR_FILE_NOT_FOUND;
288 mono_error_set_assembly_name (oerror, assembly_name);
290 set_error_message ();
295 mono_error_set_assembly_load_simple (MonoError *oerror, const char *assembly_name, gboolean refection_only)
298 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.");
300 mono_error_set_assembly_load (oerror, assembly_name, "Could not load file or assembly '%s' or one of its dependencies.", assembly_name);
304 mono_error_set_type_load_class (MonoError *oerror, MonoClass *klass, const char *msg_format, ...)
307 va_start (args, msg_format);
308 mono_error_vset_type_load_class (oerror, klass, msg_format, args);
313 mono_error_vset_type_load_class (MonoError *oerror, MonoClass *klass, const char *msg_format, va_list args)
315 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
316 mono_error_prepare (error);
318 error->error_code = MONO_ERROR_TYPE_LOAD;
319 mono_error_set_class (oerror, klass);
320 set_error_messagev ();
324 * Different than other functions, this one here assumes that type_name and assembly_name to have been allocated just for us.
325 * Which means mono_error_cleanup will free them.
328 mono_error_set_type_load_name (MonoError *oerror, const char *type_name, const char *assembly_name, const char *msg_format, ...)
330 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
331 mono_error_prepare (error);
333 error->error_code = MONO_ERROR_TYPE_LOAD;
334 mono_error_set_type_name (oerror, type_name);
335 mono_error_set_assembly_name (oerror, assembly_name);
336 mono_error_dup_strings (oerror, FALSE);
337 set_error_message ();
341 mono_error_set_method_load (MonoError *oerror, MonoClass *klass, const char *method_name, const char *msg_format, ...)
343 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
344 mono_error_prepare (error);
346 error->error_code = MONO_ERROR_MISSING_METHOD;
347 mono_error_set_class (oerror, klass);
348 mono_error_set_member_name (oerror, method_name);
349 set_error_message ();
353 mono_error_set_field_load (MonoError *oerror, MonoClass *klass, const char *field_name, const char *msg_format, ...)
355 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
356 mono_error_prepare (error);
358 error->error_code = MONO_ERROR_MISSING_FIELD;
359 mono_error_set_class (oerror, klass);
360 mono_error_set_member_name (oerror, field_name);
361 set_error_message ();
365 mono_error_set_bad_image_name (MonoError *oerror, const char *assembly_name, const char *msg_format, ...)
367 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
368 mono_error_prepare (error);
370 error->error_code = MONO_ERROR_BAD_IMAGE;
371 mono_error_set_assembly_name (oerror, assembly_name);
372 set_error_message ();
376 mono_error_set_bad_image (MonoError *oerror, MonoImage *image, const char *msg_format, ...)
378 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
379 mono_error_prepare (error);
381 error->error_code = MONO_ERROR_BAD_IMAGE;
382 error->assembly_name = image ? mono_image_get_name (image) : "<no_image>";
383 set_error_message ();
387 mono_error_set_generic_errorv (MonoError *oerror, const char *name_space, const char *name, const char *msg_format, va_list args)
389 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
390 mono_error_prepare (error);
392 error->error_code = MONO_ERROR_GENERIC;
393 mono_error_set_corlib_exception (oerror, name_space, name);
394 set_error_messagev ();
398 mono_error_set_generic_error (MonoError *oerror, const char * name_space, const char *name, const char *msg_format, ...)
401 va_start (args, msg_format);
402 mono_error_set_generic_errorv (oerror, name_space, name, msg_format, args);
407 * mono_error_set_not_implemented:
409 * System.NotImplementedException
412 mono_error_set_not_implemented (MonoError *oerror, const char *msg_format, ...)
415 va_start (args, msg_format);
416 mono_error_set_generic_errorv (oerror, "System", "NotImplementedException", msg_format, args);
421 * mono_error_set_execution_engine:
423 * System.ExecutionEngineException
426 mono_error_set_execution_engine (MonoError *oerror, const char *msg_format, ...)
429 va_start (args, msg_format);
430 mono_error_set_generic_errorv (oerror, "System", "ExecutionEngineException", msg_format, args);
435 * mono_error_set_not_supported:
437 * System.NotSupportedException
440 mono_error_set_not_supported (MonoError *oerror, const char *msg_format, ...)
443 va_start (args, msg_format);
444 mono_error_set_generic_errorv (oerror, "System", "NotSupportedException", msg_format, args);
449 * mono_error_set_invalid_operation:
451 * System.InvalidOperationException
454 mono_error_set_invalid_operation (MonoError *oerror, const char *msg_format, ...)
457 va_start (args, msg_format);
458 mono_error_set_generic_errorv (oerror, "System", "InvalidOperationException", msg_format, args);
463 * mono_error_set_file_not_found:
465 * System.IO.FileNotFoundException
468 mono_error_set_file_not_found (MonoError *oerror, const char *msg_format, ...)
471 va_start (args, msg_format);
472 mono_error_set_generic_errorv (oerror, "System.IO", "FileNotFoundException", msg_format, args);
477 mono_error_set_invalid_program (MonoError *oerror, const char *msg_format, ...)
479 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
481 mono_error_prepare (error);
482 error->error_code = MONO_ERROR_INVALID_PROGRAM;
484 set_error_message ();
488 * mono_error_set_invalid_cast:
490 * System.InvalidCastException
493 mono_error_set_invalid_cast (MonoError *oerror)
495 mono_error_set_generic_error (oerror, "System", "InvalidCastException", "");
499 mono_error_set_exception_instance (MonoError *oerror, MonoException *exc)
501 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
503 mono_error_prepare (error);
504 error->error_code = MONO_ERROR_EXCEPTION_INSTANCE;
505 error->exn.instance_handle = mono_gchandle_new (exc ? &exc->object : NULL, FALSE);
509 mono_error_set_exception_handle (MonoError *oerror, MonoExceptionHandle exc)
511 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
513 mono_error_prepare (error);
514 error->error_code = MONO_ERROR_EXCEPTION_INSTANCE;
515 error->exn.instance_handle = mono_gchandle_from_handle (MONO_HANDLE_CAST(MonoObject, exc), FALSE);
519 mono_error_set_out_of_memory (MonoError *oerror, const char *msg_format, ...)
521 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
522 mono_error_prepare (error);
524 error->error_code = MONO_ERROR_OUT_OF_MEMORY;
526 set_error_message ();
530 mono_error_set_argument (MonoError *oerror, const char *argument, const char *msg_format, ...)
532 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
533 mono_error_prepare (error);
535 error->error_code = MONO_ERROR_ARGUMENT;
536 error->first_argument = argument;
538 set_error_message ();
542 mono_error_set_argument_null (MonoError *oerror, const char *argument, const char *msg_format, ...)
544 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
545 mono_error_prepare (error);
547 error->error_code = MONO_ERROR_ARGUMENT_NULL;
548 error->first_argument = argument;
550 set_error_message ();
554 mono_error_set_not_verifiable (MonoError *oerror, MonoMethod *method, const char *msg_format, ...)
556 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
557 mono_error_prepare (error);
559 error->error_code = MONO_ERROR_NOT_VERIFIABLE;
561 mono_error_set_class (oerror, method->klass);
562 mono_error_set_member_name (oerror, mono_method_full_name (method, 1));
565 set_error_message ();
569 /* Used by mono_error_prepare_exception - it sets its own error on mono_string_new_checked failure. */
571 string_new_cleanup (MonoDomain *domain, const char *text)
573 MonoError ignored_err;
574 MonoString *result = mono_string_new_checked (domain, text, &ignored_err);
575 mono_error_cleanup (&ignored_err);
580 get_type_name_as_mono_string (MonoErrorInternal *error, MonoDomain *domain, MonoError *error_out)
582 MonoString* res = NULL;
584 if (error->type_name) {
585 res = string_new_cleanup (domain, error->type_name);
588 MonoClass *klass = get_class (error);
590 char *name = mono_type_full_name (&klass->byval_arg);
592 res = string_new_cleanup (domain, name);
598 mono_error_set_out_of_memory (error_out, "Could not allocate type name");
603 set_message_on_exception (MonoException *exception, MonoErrorInternal *error, MonoError *error_out)
605 MonoString *msg = string_new_cleanup (mono_domain_get (), error->full_message);
607 MONO_OBJECT_SETREF (exception, message, msg);
609 mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
612 /*Can fail with out-of-memory*/
614 mono_error_prepare_exception (MonoError *oerror, MonoError *error_out)
616 MonoErrorInternal *error = (MonoErrorInternal*)oerror;
618 MonoException* exception = NULL;
619 MonoString *assembly_name = NULL, *type_name = NULL, *method_name = NULL, *field_name = NULL, *msg = NULL;
620 MonoDomain *domain = mono_domain_get ();
622 error_init (error_out);
624 switch (error->error_code) {
625 case MONO_ERROR_NONE:
628 case MONO_ERROR_MISSING_METHOD:
629 if ((error->type_name || error->exn.klass) && error->member_name) {
630 type_name = get_type_name_as_mono_string (error, domain, error_out);
631 if (!mono_error_ok (error_out))
634 method_name = string_new_cleanup (domain, error->member_name);
636 mono_error_set_out_of_memory (error_out, "Could not allocate method name");
640 exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingMethodException", type_name, method_name, error_out);
642 set_message_on_exception (exception, error, error_out);
644 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", error->full_message);
648 case MONO_ERROR_MISSING_FIELD:
649 if ((error->type_name || error->exn.klass) && error->member_name) {
650 type_name = get_type_name_as_mono_string (error, domain, error_out);
651 if (!mono_error_ok (error_out))
654 field_name = string_new_cleanup (domain, error->member_name);
656 mono_error_set_out_of_memory (error_out, "Could not allocate field name");
660 exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingFieldException", type_name, field_name, error_out);
662 set_message_on_exception (exception, error, error_out);
664 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", error->full_message);
668 case MONO_ERROR_TYPE_LOAD:
669 if ((error->type_name && error->assembly_name) || error->exn.klass) {
670 type_name = get_type_name_as_mono_string (error, domain, error_out);
671 if (!mono_error_ok (error_out))
674 if (error->assembly_name) {
675 assembly_name = string_new_cleanup (domain, error->assembly_name);
676 if (!assembly_name) {
677 mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
681 assembly_name = mono_string_empty (domain);
684 exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name, error_out);
685 if (exception && error->full_message != NULL && strcmp (error->full_message, ""))
686 set_message_on_exception (exception, error, error_out);
688 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", error->full_message);
692 case MONO_ERROR_FILE_NOT_FOUND:
693 case MONO_ERROR_BAD_IMAGE:
694 if (error->assembly_name) {
695 msg = string_new_cleanup (domain, error->full_message);
697 mono_error_set_out_of_memory (error_out, "Could not allocate message");
701 if (error->assembly_name) {
702 assembly_name = string_new_cleanup (domain, error->assembly_name);
703 if (!assembly_name) {
704 mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
709 if (error->error_code == MONO_ERROR_FILE_NOT_FOUND)
710 exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System.IO", "FileNotFoundException", msg, assembly_name, error_out);
712 exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "BadImageFormatException", msg, assembly_name, error_out);
714 if (error->error_code == MONO_ERROR_FILE_NOT_FOUND)
715 exception = mono_exception_from_name_msg (mono_get_corlib (), "System.IO", "FileNotFoundException", error->full_message);
717 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "BadImageFormatException", error->full_message);
721 case MONO_ERROR_OUT_OF_MEMORY:
722 exception = mono_get_exception_out_of_memory ();
725 case MONO_ERROR_ARGUMENT:
726 exception = mono_get_exception_argument (error->first_argument, error->full_message);
729 case MONO_ERROR_ARGUMENT_NULL:
730 exception = mono_get_exception_argument_null (error->first_argument);
733 case MONO_ERROR_NOT_VERIFIABLE: {
734 char *type_name = NULL, *message;
735 if (error->exn.klass) {
736 type_name = mono_type_get_full_name (error->exn.klass);
738 mono_error_set_out_of_memory (error_out, "Could not allocate message");
742 message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, error->full_message);
745 mono_error_set_out_of_memory (error_out, "Could not allocate message");
748 exception = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message);
753 case MONO_ERROR_GENERIC:
754 if (!error->exception_name_space || !error->exception_name)
755 mono_error_set_execution_engine (error_out, "MonoError with generic error but no exception name was supplied");
757 exception = mono_exception_from_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, error->full_message);
760 case MONO_ERROR_EXCEPTION_INSTANCE:
761 exception = (MonoException*) mono_gchandle_get_target (error->exn.instance_handle);
764 case MONO_ERROR_CLEANUP_CALLED_SENTINEL:
765 mono_error_set_execution_engine (error_out, "MonoError reused after mono_error_cleanup");
768 case MONO_ERROR_INVALID_PROGRAM: {
769 gboolean lacks_message = error->flags & MONO_ERROR_INCOMPLETE;
771 return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", "");
773 return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", error->full_message);
776 mono_error_set_execution_engine (error_out, "Invalid error-code %d", error->error_code);
779 if (!mono_error_ok (error_out))
782 mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
787 Convert this MonoError to an exception if it's faulty or return NULL.
788 The error object is cleant after.
792 mono_error_convert_to_exception (MonoError *target_error)
797 /* Mempool stored error shouldn't be cleaned up */
798 g_assert (!is_boxed ((MonoErrorInternal*)target_error));
800 if (mono_error_ok (target_error))
803 ex = mono_error_prepare_exception (target_error, &error);
804 if (!mono_error_ok (&error)) {
805 MonoError second_chance;
806 /*Try to produce the exception for the second error. FIXME maybe we should log about the original one*/
807 ex = mono_error_prepare_exception (&error, &second_chance);
809 g_assert (mono_error_ok (&second_chance)); /*We can't reasonable handle double faults, maybe later.*/
810 mono_error_cleanup (&error);
812 mono_error_cleanup (target_error);
817 mono_error_move (MonoError *dest, MonoError *src)
819 memcpy (dest, src, sizeof (MonoErrorInternal));
825 * \param ierror The input error that will be boxed.
826 * \param image The mempool of this image will hold the boxed error.
827 * Creates a new boxed error in the given mempool from \c MonoError.
828 * It does not alter \p ierror, so you still have to clean it up with
829 * \c mono_error_cleanup or \c mono_error_convert_to_exception or another such function.
830 * \returns the boxed error, or NULL if the mempool could not allocate.
833 mono_error_box (const MonoError *ierror, MonoImage *image)
835 MonoErrorInternal *from = (MonoErrorInternal*)ierror;
836 /* Don't know how to box a gchandle */
837 g_assert (!is_managed_exception (from));
838 MonoErrorBoxed* box = mono_image_alloc (image, sizeof (MonoErrorBoxed));
840 mono_error_init_flags (&box->error, MONO_ERROR_MEMPOOL_BOXED);
841 MonoErrorInternal *to = (MonoErrorInternal*)&box->error;
843 #define DUP_STR(field) do { \
845 if (!(to->field = mono_image_strdup (image, from->field))) \
846 to->flags |= MONO_ERROR_INCOMPLETE; \
852 to->error_code = from->error_code;
854 DUP_STR (assembly_name);
855 DUP_STR (member_name);
856 DUP_STR (exception_name_space);
857 DUP_STR (exception_name);
858 DUP_STR (full_message);
859 DUP_STR (full_message_with_fields);
860 DUP_STR (first_argument);
861 to->exn.klass = from->exn.klass;
870 * mono_error_set_from_boxed:
871 * \param oerror The error that will be set to the contents of the box.
872 * \param box A mempool-allocated error.
873 * Sets the error condition in the oerror from the contents of the
874 * given boxed error. Does not alter the boxed error, so it can be
875 * used in a future call to \c mono_error_set_from_boxed as needed. The
876 * \p oerror should've been previously initialized with \c mono_error_init,
878 * \returns TRUE on success or FALSE on failure.
881 mono_error_set_from_boxed (MonoError *oerror, const MonoErrorBoxed *box)
883 MonoErrorInternal* to = (MonoErrorInternal*)oerror;
884 MonoErrorInternal* from = (MonoErrorInternal*)&box->error;
885 g_assert (!is_managed_exception (from));
887 mono_error_prepare (to);
888 to->flags |= MONO_ERROR_FREE_STRINGS;
889 #define DUP_STR(field) do { \
891 if (!(to->field = g_strdup (from->field))) \
892 to->flags |= MONO_ERROR_INCOMPLETE; \
898 to->error_code = from->error_code;
900 DUP_STR (assembly_name);
901 DUP_STR (member_name);
902 DUP_STR (exception_name_space);
903 DUP_STR (exception_name);
904 DUP_STR (full_message);
905 DUP_STR (full_message_with_fields);
906 DUP_STR (first_argument);
907 to->exn.klass = from->exn.klass;
910 return (to->flags & MONO_ERROR_INCOMPLETE) == 0 ;