2 * custom-attrs.c: Custom attributes.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Rodrigo Kumpera
10 * Copyright 2016 Microsoft
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
15 #include "mono/metadata/assembly.h"
16 #include "mono/metadata/gc-internals.h"
17 #include "mono/metadata/mono-endian.h"
18 #include "mono/metadata/object-internals.h"
19 #include "mono/metadata/reflection-cache.h"
20 #include "mono/metadata/custom-attrs-internals.h"
21 #include "mono/metadata/sre-internals.h"
22 #include "mono/metadata/reflection-internals.h"
23 #include "mono/metadata/tabledefs.h"
24 #include "mono/metadata/tokentype.h"
25 #include "mono/metadata/verify-internals.h"
26 #include "mono/utils/checked-build.h"
29 #define CHECK_ADD4_OVERFLOW_UN(a, b) ((guint32)(0xFFFFFFFFU) - (guint32)(b) < (guint32)(a))
30 #define CHECK_ADD8_OVERFLOW_UN(a, b) ((guint64)(0xFFFFFFFFFFFFFFFFUL) - (guint64)(b) < (guint64)(a))
32 #if SIZEOF_VOID_P == 4
33 #define CHECK_ADDP_OVERFLOW_UN(a,b) CHECK_ADD4_OVERFLOW_UN(a, b)
35 #define CHECK_ADDP_OVERFLOW_UN(a,b) CHECK_ADD8_OVERFLOW_UN(a, b)
38 #define ADDP_IS_GREATER_OR_OVF(a, b, c) (((a) + (b) > (c)) || CHECK_ADDP_OVERFLOW_UN (a, b))
39 #define ADD_IS_GREATER_OR_OVF(a, b, c) (((a) + (b) > (c)) || CHECK_ADD4_OVERFLOW_UN (a, b))
41 static gboolean type_is_reference (MonoType *type);
43 static GENERATE_GET_CLASS_WITH_CACHE (custom_attribute_typed_argument, System.Reflection, CustomAttributeTypedArgument);
44 static GENERATE_GET_CLASS_WITH_CACHE (custom_attribute_named_argument, System.Reflection, CustomAttributeNamedArgument);
47 * LOCKING: Acquires the loader lock.
49 static MonoCustomAttrInfo*
50 lookup_custom_attr (MonoImage *image, gpointer member)
52 MONO_REQ_GC_NEUTRAL_MODE;
54 MonoCustomAttrInfo* res;
56 res = (MonoCustomAttrInfo *)mono_image_property_lookup (image, member, MONO_PROP_DYNAMIC_CATTR);
61 res = (MonoCustomAttrInfo *)g_memdup (res, MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * res->num_attrs);
67 custom_attr_visible (MonoImage *image, MonoReflectionCustomAttr *cattr)
69 MONO_REQ_GC_UNSAFE_MODE;
71 /* FIXME: Need to do more checks */
72 if (cattr->ctor->method && (cattr->ctor->method->klass->image != image)) {
73 int visibility = mono_class_get_flags (cattr->ctor->method->klass) & TYPE_ATTRIBUTE_VISIBILITY_MASK;
75 if ((visibility != TYPE_ATTRIBUTE_PUBLIC) && (visibility != TYPE_ATTRIBUTE_NESTED_PUBLIC))
83 type_is_reference (MonoType *type)
86 case MONO_TYPE_BOOLEAN:
100 case MONO_TYPE_VALUETYPE:
108 free_param_data (MonoMethodSignature *sig, void **params) {
110 for (i = 0; i < sig->param_count; ++i) {
111 if (!type_is_reference (sig->params [i]))
117 * Find the field index in the metadata FieldDef table.
120 find_field_index (MonoClass *klass, MonoClassField *field) {
123 for (i = 0; i < klass->field.count; ++i) {
124 if (field == &klass->fields [i])
125 return mono_class_get_first_field_idx (klass) + 1 + i;
131 * Find the property index in the metadata Property table.
134 find_property_index (MonoClass *klass, MonoProperty *property) {
137 for (i = 0; i < klass->ext->property.count; ++i) {
138 if (property == &klass->ext->properties [i])
139 return klass->ext->property.first + 1 + i;
145 * Find the event index in the metadata Event table.
148 find_event_index (MonoClass *klass, MonoEvent *event) {
151 for (i = 0; i < klass->ext->event.count; ++i) {
152 if (event == &klass->ext->events [i])
153 return klass->ext->event.first + 1 + i;
159 * Load the type with name @n on behalf of image @image. On failure sets @error and returns NULL.
160 * The @is_enum flag only affects the error message that's displayed on failure.
163 cattr_type_from_name (char *n, MonoImage *image, gboolean is_enum, MonoError *error)
165 MonoError inner_error;
166 MonoType *t = mono_reflection_type_from_name_checked (n, image, &inner_error);
168 mono_error_set_type_load_name (error, g_strdup(n), NULL,
169 "Could not load %s %s while decoding custom attribute: %s",
170 is_enum ? "enum type": "type",
172 mono_error_get_message (&inner_error));
173 mono_error_cleanup (&inner_error);
180 load_cattr_enum_type (MonoImage *image, const char *p, const char **end, MonoError *error)
184 int slen = mono_metadata_decode_value (p, &p);
186 mono_error_init (error);
188 n = (char *)g_memdup (p, slen + 1);
190 t = cattr_type_from_name (n, image, TRUE, error);
192 return_val_if_nok (error, NULL);
195 return mono_class_from_mono_type (t);
199 load_cattr_value (MonoImage *image, MonoType *t, const char *p, const char **end, MonoError *error)
201 int slen, type = t->type;
202 MonoClass *tklass = t->data.klass;
204 mono_error_init (error);
210 case MONO_TYPE_BOOLEAN: {
211 MonoBoolean *bval = (MonoBoolean *)g_malloc (sizeof (MonoBoolean));
219 guint16 *val = (guint16 *)g_malloc (sizeof (guint16));
224 #if SIZEOF_VOID_P == 4
231 guint32 *val = (guint32 *)g_malloc (sizeof (guint32));
236 #if SIZEOF_VOID_P == 8
237 case MONO_TYPE_U: /* error out instead? this should probably not happen */
242 guint64 *val = (guint64 *)g_malloc (sizeof (guint64));
248 double *val = (double *)g_malloc (sizeof (double));
253 case MONO_TYPE_VALUETYPE:
254 if (t->data.klass->enumtype) {
255 type = mono_class_enum_basetype (t->data.klass)->type;
258 MonoClass *k = t->data.klass;
260 if (mono_is_corlib_image (k->image) && strcmp (k->name_space, "System") == 0 && strcmp (k->name, "DateTime") == 0){
261 guint64 *val = (guint64 *)g_malloc (sizeof (guint64));
267 g_error ("generic valutype %s not handled in custom attr value decoding", t->data.klass->name);
270 case MONO_TYPE_STRING:
271 if (*p == (char)0xFF) {
275 slen = mono_metadata_decode_value (p, &p);
277 return mono_string_new_len_checked (mono_domain_get (), p, slen, error);
278 case MONO_TYPE_CLASS: {
279 MonoReflectionType *rt;
282 if (*p == (char)0xFF) {
287 slen = mono_metadata_decode_value (p, &p);
288 n = (char *)g_memdup (p, slen + 1);
290 t = cattr_type_from_name (n, image, FALSE, error);
292 return_val_if_nok (error, NULL);
295 rt = mono_type_get_object_checked (mono_domain_get (), t, error);
296 if (!mono_error_ok (error))
301 case MONO_TYPE_OBJECT: {
304 MonoClass *subc = NULL;
309 } else if (subt == 0x0E) {
310 type = MONO_TYPE_STRING;
312 } else if (subt == 0x1D) {
313 MonoType simple_type = {{0}};
317 type = MONO_TYPE_SZARRAY;
319 tklass = mono_defaults.systemtype_class;
320 } else if (etype == 0x55) {
321 tklass = load_cattr_enum_type (image, p, &p, error);
322 if (!mono_error_ok (error))
326 /* See Partition II, Appendix B3 */
327 etype = MONO_TYPE_OBJECT;
328 simple_type.type = (MonoTypeEnum)etype;
329 tklass = mono_class_from_mono_type (&simple_type);
332 } else if (subt == 0x55) {
335 slen = mono_metadata_decode_value (p, &p);
336 n = (char *)g_memdup (p, slen + 1);
338 t = cattr_type_from_name (n, image, FALSE, error);
340 return_val_if_nok (error, NULL);
342 subc = mono_class_from_mono_type (t);
343 } else if (subt >= MONO_TYPE_BOOLEAN && subt <= MONO_TYPE_R8) {
344 MonoType simple_type = {{0}};
345 simple_type.type = (MonoTypeEnum)subt;
346 subc = mono_class_from_mono_type (&simple_type);
348 g_error ("Unknown type 0x%02x for object type encoding in custom attr", subt);
350 val = load_cattr_value (image, &subc->byval_arg, p, end, error);
352 if (mono_error_ok (error)) {
353 obj = mono_object_new_checked (mono_domain_get (), subc, error);
354 g_assert (!subc->has_references);
355 if (mono_error_ok (error))
356 mono_gc_memmove_atomic ((char*)obj + sizeof (MonoObject), val, mono_class_value_size (subc, NULL));
362 case MONO_TYPE_SZARRAY: {
364 guint32 i, alen, basetype;
367 if (alen == 0xffffffff) {
371 arr = mono_array_new_checked (mono_domain_get(), tklass, alen, error);
372 return_val_if_nok (error, NULL);
373 basetype = tklass->byval_arg.type;
374 if (basetype == MONO_TYPE_VALUETYPE && tklass->enumtype)
375 basetype = mono_class_enum_basetype (tklass)->type;
380 case MONO_TYPE_BOOLEAN:
381 for (i = 0; i < alen; i++) {
382 MonoBoolean val = *p++;
383 mono_array_set (arr, MonoBoolean, i, val);
389 for (i = 0; i < alen; i++) {
390 guint16 val = read16 (p);
391 mono_array_set (arr, guint16, i, val);
398 for (i = 0; i < alen; i++) {
399 guint32 val = read32 (p);
400 mono_array_set (arr, guint32, i, val);
405 for (i = 0; i < alen; i++) {
408 mono_array_set (arr, double, i, val);
414 for (i = 0; i < alen; i++) {
415 guint64 val = read64 (p);
416 mono_array_set (arr, guint64, i, val);
420 case MONO_TYPE_CLASS:
421 case MONO_TYPE_OBJECT:
422 case MONO_TYPE_STRING:
423 case MONO_TYPE_SZARRAY:
424 for (i = 0; i < alen; i++) {
425 MonoObject *item = (MonoObject *)load_cattr_value (image, &tklass->byval_arg, p, &p, error);
426 if (!mono_error_ok (error))
428 mono_array_setref (arr, i, item);
432 g_error ("Type 0x%02x not handled in custom attr array decoding", basetype);
438 g_error ("Type 0x%02x not handled in custom attr value decoding", type);
444 load_cattr_value_boxed (MonoDomain *domain, MonoImage *image, MonoType *t, const char* p, const char** end, MonoError *error)
446 mono_error_init (error);
448 gboolean is_ref = type_is_reference (t);
450 void *val = load_cattr_value (image, t, p, end, error);
451 if (!is_ok (error)) {
458 return (MonoObject*)val;
460 MonoObject *boxed = mono_value_box_checked (domain, mono_class_from_mono_type (t), val, error);
466 create_cattr_typed_arg (MonoType *t, MonoObject *val, MonoError *error)
468 static MonoMethod *ctor;
470 void *params [2], *unboxed;
472 mono_error_init (error);
475 ctor = mono_class_get_method_from_name (mono_class_get_custom_attribute_typed_argument_class (), ".ctor", 2);
477 params [0] = mono_type_get_object_checked (mono_domain_get (), t, error);
478 return_val_if_nok (error, NULL);
481 retval = mono_object_new_checked (mono_domain_get (), mono_class_get_custom_attribute_typed_argument_class (), error);
482 return_val_if_nok (error, NULL);
483 unboxed = mono_object_unbox (retval);
485 mono_runtime_invoke_checked (ctor, unboxed, params, error);
486 return_val_if_nok (error, NULL);
492 create_cattr_named_arg (void *minfo, MonoObject *typedarg, MonoError *error)
494 static MonoMethod *ctor;
496 void *unboxed, *params [2];
498 mono_error_init (error);
501 ctor = mono_class_get_method_from_name (mono_class_get_custom_attribute_named_argument_class (), ".ctor", 2);
504 params [1] = typedarg;
505 retval = mono_object_new_checked (mono_domain_get (), mono_class_get_custom_attribute_named_argument_class (), error);
506 return_val_if_nok (error, NULL);
508 unboxed = mono_object_unbox (retval);
510 mono_runtime_invoke_checked (ctor, unboxed, params, error);
511 return_val_if_nok (error, NULL);
518 mono_custom_attrs_from_builders (MonoImage *alloc_img, MonoImage *image, MonoArray *cattrs)
520 MONO_REQ_GC_UNSAFE_MODE;
522 int i, index, count, not_visible;
523 MonoCustomAttrInfo *ainfo;
524 MonoReflectionCustomAttr *cattr;
528 /* FIXME: check in assembly the Run flag is set */
530 count = mono_array_length (cattrs);
532 /* Skip nonpublic attributes since MS.NET seems to do the same */
533 /* FIXME: This needs to be done more globally */
535 for (i = 0; i < count; ++i) {
536 cattr = (MonoReflectionCustomAttr*)mono_array_get (cattrs, gpointer, i);
537 if (!custom_attr_visible (image, cattr))
541 int num_attrs = count - not_visible;
542 ainfo = (MonoCustomAttrInfo *)mono_image_g_malloc0 (alloc_img, MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * num_attrs);
544 ainfo->image = image;
545 ainfo->num_attrs = num_attrs;
546 ainfo->cached = alloc_img != NULL;
548 for (i = 0; i < count; ++i) {
549 cattr = (MonoReflectionCustomAttr*)mono_array_get (cattrs, gpointer, i);
550 if (custom_attr_visible (image, cattr)) {
551 unsigned char *saved = (unsigned char *)mono_image_alloc (image, mono_array_length (cattr->data));
552 memcpy (saved, mono_array_addr (cattr->data, char, 0), mono_array_length (cattr->data));
553 ainfo->attrs [index].ctor = cattr->ctor->method;
554 g_assert (cattr->ctor->method);
555 ainfo->attrs [index].data = saved;
556 ainfo->attrs [index].data_size = mono_array_length (cattr->data);
560 g_assert (index == num_attrs && count == num_attrs + not_visible);
567 create_custom_attr (MonoImage *image, MonoMethod *method, const guchar *data, guint32 len, MonoError *error)
569 const char *p = (const char*)data;
571 guint32 i, j, num_named;
573 void *params_buf [32];
574 void **params = NULL;
575 MonoMethodSignature *sig;
577 mono_error_init (error);
579 mono_class_init (method->klass);
581 if (!mono_verifier_verify_cattr_content (image, method, data, len, NULL)) {
582 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Binary format of the specified custom attribute was invalid.");
587 attr = mono_object_new_checked (mono_domain_get (), method->klass, error);
588 if (!mono_error_ok (error)) return NULL;
590 mono_runtime_invoke_checked (method, attr, NULL, error);
591 if (!mono_error_ok (error))
597 if (len < 2 || read16 (p) != 0x0001) /* Prolog */
600 /*g_print ("got attr %s\n", method->klass->name);*/
602 sig = mono_method_signature (method);
603 if (sig->param_count < 32) {
605 memset (params, 0, sizeof (void*) * sig->param_count);
607 /* Allocate using GC so it gets GC tracking */
608 params = (void **)mono_gc_alloc_fixed (sig->param_count * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_REFLECTION, "custom attribute parameters");
613 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
614 params [i] = load_cattr_value (image, mono_method_signature (method)->params [i], p, &p, error);
615 if (!mono_error_ok (error))
620 attr = mono_object_new_checked (mono_domain_get (), method->klass, error);
621 if (!mono_error_ok (error)) goto fail;
623 MonoObject *exc = NULL;
624 mono_runtime_try_invoke (method, attr, params, &exc, error);
625 if (!mono_error_ok (error))
628 mono_error_set_exception_instance (error, (MonoException*)exc);
632 num_named = read16 (named);
634 for (j = 0; j < num_named; j++) {
636 char *name, named_type, data_type;
637 named_type = *named++;
638 data_type = *named++; /* type of data */
639 if (data_type == MONO_TYPE_SZARRAY)
640 data_type = *named++;
641 if (data_type == MONO_TYPE_ENUM) {
644 type_len = mono_metadata_decode_blob_size (named, &named);
645 type_name = (char *)g_malloc (type_len + 1);
646 memcpy (type_name, named, type_len);
647 type_name [type_len] = 0;
649 /* FIXME: lookup the type and check type consistency */
652 name_len = mono_metadata_decode_blob_size (named, &named);
653 name = (char *)g_malloc (name_len + 1);
654 memcpy (name, named, name_len);
657 if (named_type == 0x53) {
658 MonoClassField *field;
661 /* how this fail is a blackbox */
662 field = mono_class_get_field_from_name (mono_object_class (attr), name);
664 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Could not find a field with name %s", name);
669 val = load_cattr_value (image, field->type, named, &named, error);
670 if (!mono_error_ok (error)) {
672 if (!type_is_reference (field->type))
677 mono_field_set_value (attr, field, val);
678 if (!type_is_reference (field->type))
680 } else if (named_type == 0x54) {
685 prop = mono_class_get_property_from_name (mono_object_class (attr), name);
688 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Could not find a property with name %s", name);
694 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Could not find the setter for %s", name);
699 /* can we have more that 1 arg in a custom attr named property? */
700 prop_type = prop->get? mono_method_signature (prop->get)->ret :
701 mono_method_signature (prop->set)->params [mono_method_signature (prop->set)->param_count - 1];
703 pparams [0] = load_cattr_value (image, prop_type, named, &named, error);
704 if (!mono_error_ok (error)) {
706 if (!type_is_reference (prop_type))
707 g_free (pparams [0]);
712 mono_property_set_value_checked (prop, attr, pparams, error);
713 if (!type_is_reference (prop_type))
714 g_free (pparams [0]);
715 if (!is_ok (error)) {
723 free_param_data (method->signature, params);
724 if (params != params_buf)
725 mono_gc_free_fixed (params);
730 free_param_data (method->signature, params);
731 if (params != params_buf)
732 mono_gc_free_fixed (params);
737 * mono_reflection_create_custom_attr_data_args:
739 * Create an array of typed and named arguments from the cattr blob given by DATA.
740 * TYPED_ARGS and NAMED_ARGS will contain the objects representing the arguments,
741 * NAMED_ARG_INFO will contain information about the named arguments.
744 mono_reflection_create_custom_attr_data_args (MonoImage *image, MonoMethod *method, const guchar *data, guint32 len, MonoArray **typed_args, MonoArray **named_args, CattrNamedArg **named_arg_info, MonoError *error)
746 MonoArray *typedargs, *namedargs;
747 MonoClass *attrklass;
749 const char *p = (const char*)data;
751 guint32 i, j, num_named;
752 CattrNamedArg *arginfo = NULL;
756 *named_arg_info = NULL;
758 mono_error_init (error);
760 if (!mono_verifier_verify_cattr_content (image, method, data, len, NULL)) {
761 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Binary format of the specified custom attribute was invalid.");
765 mono_class_init (method->klass);
767 domain = mono_domain_get ();
769 if (len < 2 || read16 (p) != 0x0001) /* Prolog */
772 typedargs = mono_array_new_checked (domain, mono_get_object_class (), mono_method_signature (method)->param_count, error);
773 return_if_nok (error);
777 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
780 obj = load_cattr_value_boxed (domain, image, mono_method_signature (method)->params [i], p, &p, error);
781 return_if_nok (error);
782 mono_array_setref (typedargs, i, obj);
786 num_named = read16 (named);
787 namedargs = mono_array_new_checked (domain, mono_get_object_class (), num_named, error);
788 return_if_nok (error);
790 attrklass = method->klass;
792 arginfo = g_new0 (CattrNamedArg, num_named);
793 *named_arg_info = arginfo;
795 for (j = 0; j < num_named; j++) {
797 char *name, named_type, data_type;
798 named_type = *named++;
799 data_type = *named++; /* type of data */
800 if (data_type == MONO_TYPE_SZARRAY)
801 data_type = *named++;
802 if (data_type == MONO_TYPE_ENUM) {
805 type_len = mono_metadata_decode_blob_size (named, &named);
806 if (ADDP_IS_GREATER_OR_OVF ((const guchar*)named, type_len, data + len))
809 type_name = (char *)g_malloc (type_len + 1);
810 memcpy (type_name, named, type_len);
811 type_name [type_len] = 0;
813 /* FIXME: lookup the type and check type consistency */
816 name_len = mono_metadata_decode_blob_size (named, &named);
817 if (ADDP_IS_GREATER_OR_OVF ((const guchar*)named, name_len, data + len))
819 name = (char *)g_malloc (name_len + 1);
820 memcpy (name, named, name_len);
823 if (named_type == 0x53) {
825 MonoClassField *field = mono_class_get_field_from_name (attrklass, name);
832 arginfo [j].type = field->type;
833 arginfo [j].field = field;
835 obj = load_cattr_value_boxed (domain, image, field->type, named, &named, error);
836 if (!is_ok (error)) {
840 mono_array_setref (namedargs, j, obj);
842 } else if (named_type == 0x54) {
845 MonoProperty *prop = mono_class_get_property_from_name (attrklass, name);
847 if (!prop || !prop->set) {
852 prop_type = prop->get? mono_method_signature (prop->get)->ret :
853 mono_method_signature (prop->set)->params [mono_method_signature (prop->set)->param_count - 1];
855 arginfo [j].type = prop_type;
856 arginfo [j].prop = prop;
858 obj = load_cattr_value_boxed (domain, image, prop_type, named, &named, error);
859 if (!is_ok (error)) {
863 mono_array_setref (namedargs, j, obj);
868 *typed_args = typedargs;
869 *named_args = namedargs;
872 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Binary format of the specified custom attribute was invalid.");
874 *named_arg_info = NULL;
878 reflection_resolve_custom_attribute_data (MonoReflectionMethod *ref_method, MonoReflectionAssembly *assembly, gpointer data, guint32 len, MonoArray **ctor_args, MonoArray **named_args, MonoError *error)
881 MonoArray *typedargs, *namedargs;
884 CattrNamedArg *arginfo = NULL;
887 mono_error_init (error);
895 image = assembly->assembly->image;
896 method = ref_method->method;
897 domain = mono_object_domain (ref_method);
899 if (!mono_class_init (method->klass)) {
900 mono_error_set_for_class_failure (error, method->klass);
904 mono_reflection_create_custom_attr_data_args (image, method, (const guchar *)data, len, &typedargs, &namedargs, &arginfo, error);
908 if (!typedargs || !namedargs)
911 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
912 MonoObject *obj = mono_array_get (typedargs, MonoObject*, i);
913 MonoObject *typedarg;
915 typedarg = create_cattr_typed_arg (mono_method_signature (method)->params [i], obj, error);
918 mono_array_setref (typedargs, i, typedarg);
921 for (i = 0; i < mono_array_length (namedargs); ++i) {
922 MonoObject *obj = mono_array_get (namedargs, MonoObject*, i);
923 MonoObject *typedarg, *namedarg, *minfo;
925 if (arginfo [i].prop) {
926 minfo = (MonoObject*)mono_property_get_object_checked (domain, NULL, arginfo [i].prop, error);
930 minfo = (MonoObject*)mono_field_get_object_checked (domain, NULL, arginfo [i].field, error);
935 typedarg = create_cattr_typed_arg (arginfo [i].type, obj, error);
938 namedarg = create_cattr_named_arg (minfo, typedarg, error);
942 mono_array_setref (namedargs, i, namedarg);
945 *ctor_args = typedargs;
946 *named_args = namedargs;
950 return mono_error_ok (error);
954 ves_icall_System_Reflection_CustomAttributeData_ResolveArgumentsInternal (MonoReflectionMethod *ref_method, MonoReflectionAssembly *assembly, gpointer data, guint32 len, MonoArray **ctor_args, MonoArray **named_args)
957 (void) reflection_resolve_custom_attribute_data (ref_method, assembly, data, len, ctor_args, named_args, &error);
958 mono_error_set_pending_exception (&error);
962 create_custom_attr_data (MonoImage *image, MonoCustomAttrEntry *cattr, MonoError *error)
964 static MonoMethod *ctor;
970 mono_error_init (error);
972 g_assert (image->assembly);
975 ctor = mono_class_get_method_from_name (mono_defaults.customattribute_data_class, ".ctor", 4);
977 domain = mono_domain_get ();
978 attr = mono_object_new_checked (domain, mono_defaults.customattribute_data_class, error);
979 return_val_if_nok (error, NULL);
980 params [0] = mono_method_get_object_checked (domain, cattr->ctor, NULL, error);
981 return_val_if_nok (error, NULL);
982 params [1] = mono_assembly_get_object_checked (domain, image->assembly, error);
983 return_val_if_nok (error, NULL);
984 params [2] = (gpointer)&cattr->data;
985 params [3] = &cattr->data_size;
987 mono_runtime_invoke_checked (ctor, attr, params, error);
988 return_val_if_nok (error, NULL);
993 mono_custom_attrs_construct_by_type (MonoCustomAttrInfo *cinfo, MonoClass *attr_klass, MonoError *error)
999 mono_error_init (error);
1001 for (i = 0; i < cinfo->num_attrs; ++i) {
1002 MonoCustomAttrEntry *centry = &cinfo->attrs[i];
1003 if (!centry->ctor) {
1004 /* The cattr type is not finished yet */
1005 /* We should include the type name but cinfo doesn't contain it */
1006 mono_error_set_type_load_name (error, NULL, NULL, "Custom attribute constructor is null because the custom attribute type is not finished yet.");
1013 for (i = 0; i < cinfo->num_attrs; ++i) {
1014 MonoMethod *ctor = cinfo->attrs[i].ctor;
1016 if (mono_class_is_assignable_from (attr_klass, ctor->klass))
1020 n = cinfo->num_attrs;
1023 result = mono_array_new_cached (mono_domain_get (), mono_defaults.attribute_class, n, error);
1024 return_val_if_nok (error, NULL);
1026 for (i = 0; i < cinfo->num_attrs; ++i) {
1027 MonoCustomAttrEntry *centry = &cinfo->attrs [i];
1028 if (!attr_klass || mono_class_is_assignable_from (attr_klass, centry->ctor->klass)) {
1029 attr = create_custom_attr (cinfo->image, centry->ctor, centry->data, centry->data_size, error);
1030 if (!mono_error_ok (error))
1032 mono_array_setref (result, n, attr);
1040 mono_custom_attrs_construct (MonoCustomAttrInfo *cinfo)
1043 MonoArray *result = mono_custom_attrs_construct_by_type (cinfo, NULL, &error);
1044 mono_error_assert_ok (&error); /*FIXME proper error handling*/
1050 mono_custom_attrs_data_construct (MonoCustomAttrInfo *cinfo, MonoError *error)
1056 mono_error_init (error);
1057 result = mono_array_new_checked (mono_domain_get (), mono_defaults.customattribute_data_class, cinfo->num_attrs, error);
1058 return_val_if_nok (error, NULL);
1059 for (i = 0; i < cinfo->num_attrs; ++i) {
1060 attr = create_custom_attr_data (cinfo->image, &cinfo->attrs [i], error);
1061 return_val_if_nok (error, NULL);
1062 mono_array_setref (result, i, attr);
1068 * mono_custom_attrs_from_index:
1070 * Returns: NULL if no attributes are found or if a loading error occurs.
1073 mono_custom_attrs_from_index (MonoImage *image, guint32 idx)
1076 MonoCustomAttrInfo *result = mono_custom_attrs_from_index_checked (image, idx, FALSE, &error);
1077 mono_error_cleanup (&error);
1081 * mono_custom_attrs_from_index_checked:
1083 * Returns: NULL if no attributes are found. On error returns NULL and sets @error.
1086 mono_custom_attrs_from_index_checked (MonoImage *image, guint32 idx, gboolean ignore_missing, MonoError *error)
1088 guint32 mtoken, i, len;
1089 guint32 cols [MONO_CUSTOM_ATTR_SIZE];
1091 MonoCustomAttrInfo *ainfo;
1092 GList *tmp, *list = NULL;
1094 MonoCustomAttrEntry* attr;
1096 mono_error_init (error);
1098 ca = &image->tables [MONO_TABLE_CUSTOMATTRIBUTE];
1100 i = mono_metadata_custom_attrs_from_index (image, idx);
1104 while (i < ca->rows) {
1105 if (mono_metadata_decode_row_col (ca, i, MONO_CUSTOM_ATTR_PARENT) != idx)
1107 list = g_list_prepend (list, GUINT_TO_POINTER (i));
1110 len = g_list_length (list);
1113 ainfo = (MonoCustomAttrInfo *)g_malloc0 (MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * len);
1114 ainfo->num_attrs = len;
1115 ainfo->image = image;
1116 for (i = len, tmp = list; i != 0; --i, tmp = tmp->next) {
1117 mono_metadata_decode_row (ca, GPOINTER_TO_UINT (tmp->data), cols, MONO_CUSTOM_ATTR_SIZE);
1118 mtoken = cols [MONO_CUSTOM_ATTR_TYPE] >> MONO_CUSTOM_ATTR_TYPE_BITS;
1119 switch (cols [MONO_CUSTOM_ATTR_TYPE] & MONO_CUSTOM_ATTR_TYPE_MASK) {
1120 case MONO_CUSTOM_ATTR_TYPE_METHODDEF:
1121 mtoken |= MONO_TOKEN_METHOD_DEF;
1123 case MONO_CUSTOM_ATTR_TYPE_MEMBERREF:
1124 mtoken |= MONO_TOKEN_MEMBER_REF;
1127 g_error ("Unknown table for custom attr type %08x", cols [MONO_CUSTOM_ATTR_TYPE]);
1130 attr = &ainfo->attrs [i - 1];
1131 attr->ctor = mono_get_method_checked (image, mtoken, NULL, NULL, error);
1133 g_warning ("Can't find custom attr constructor image: %s mtoken: 0x%08x due to: %s", image->name, mtoken, mono_error_get_message (error));
1134 if (ignore_missing) {
1135 mono_error_cleanup (error);
1136 mono_error_init (error);
1144 if (!mono_verifier_verify_cattr_blob (image, cols [MONO_CUSTOM_ATTR_VALUE], NULL)) {
1145 /*FIXME raising an exception here doesn't make any sense*/
1146 g_warning ("Invalid custom attribute blob on image %s for index %x", image->name, idx);
1151 data = mono_metadata_blob_heap (image, cols [MONO_CUSTOM_ATTR_VALUE]);
1152 attr->data_size = mono_metadata_decode_value (data, &data);
1153 attr->data = (guchar*)data;
1161 mono_custom_attrs_from_method (MonoMethod *method)
1164 MonoCustomAttrInfo* result = mono_custom_attrs_from_method_checked (method, &error);
1165 mono_error_cleanup (&error); /* FIXME want a better API that doesn't swallow the error */
1170 mono_custom_attrs_from_method_checked (MonoMethod *method, MonoError *error)
1174 mono_error_init (error);
1177 * An instantiated method has the same cattrs as the generic method definition.
1179 * LAMESPEC: The .NET SRE throws an exception for instantiations of generic method builders
1180 * Note that this stanza is not necessary for non-SRE types, but it's a micro-optimization
1182 if (method->is_inflated)
1183 method = ((MonoMethodInflated *) method)->declaring;
1185 if (method_is_dynamic (method) || image_is_dynamic (method->klass->image))
1186 return lookup_custom_attr (method->klass->image, method);
1189 /* Synthetic methods */
1192 idx = mono_method_get_index (method);
1193 idx <<= MONO_CUSTOM_ATTR_BITS;
1194 idx |= MONO_CUSTOM_ATTR_METHODDEF;
1195 return mono_custom_attrs_from_index_checked (method->klass->image, idx, FALSE, error);
1199 mono_custom_attrs_from_class (MonoClass *klass)
1202 MonoCustomAttrInfo *result = mono_custom_attrs_from_class_checked (klass, &error);
1203 mono_error_cleanup (&error);
1208 mono_custom_attrs_from_class_checked (MonoClass *klass, MonoError *error)
1212 mono_error_init (error);
1214 if (mono_class_is_ginst (klass))
1215 klass = mono_class_get_generic_class (klass)->container_class;
1217 if (image_is_dynamic (klass->image))
1218 return lookup_custom_attr (klass->image, klass);
1220 if (klass->byval_arg.type == MONO_TYPE_VAR || klass->byval_arg.type == MONO_TYPE_MVAR) {
1221 idx = mono_metadata_token_index (klass->sizes.generic_param_token);
1222 idx <<= MONO_CUSTOM_ATTR_BITS;
1223 idx |= MONO_CUSTOM_ATTR_GENERICPAR;
1225 idx = mono_metadata_token_index (klass->type_token);
1226 idx <<= MONO_CUSTOM_ATTR_BITS;
1227 idx |= MONO_CUSTOM_ATTR_TYPEDEF;
1229 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1233 mono_custom_attrs_from_assembly (MonoAssembly *assembly)
1236 MonoCustomAttrInfo *result = mono_custom_attrs_from_assembly_checked (assembly, FALSE, &error);
1237 mono_error_cleanup (&error);
1242 mono_custom_attrs_from_assembly_checked (MonoAssembly *assembly, gboolean ignore_missing, MonoError *error)
1246 mono_error_init (error);
1248 if (image_is_dynamic (assembly->image))
1249 return lookup_custom_attr (assembly->image, assembly);
1250 idx = 1; /* there is only one assembly */
1251 idx <<= MONO_CUSTOM_ATTR_BITS;
1252 idx |= MONO_CUSTOM_ATTR_ASSEMBLY;
1253 return mono_custom_attrs_from_index_checked (assembly->image, idx, ignore_missing, error);
1256 static MonoCustomAttrInfo*
1257 mono_custom_attrs_from_module (MonoImage *image, MonoError *error)
1261 if (image_is_dynamic (image))
1262 return lookup_custom_attr (image, image);
1263 idx = 1; /* there is only one module */
1264 idx <<= MONO_CUSTOM_ATTR_BITS;
1265 idx |= MONO_CUSTOM_ATTR_MODULE;
1266 return mono_custom_attrs_from_index_checked (image, idx, FALSE, error);
1270 mono_custom_attrs_from_property (MonoClass *klass, MonoProperty *property)
1273 MonoCustomAttrInfo * result = mono_custom_attrs_from_property_checked (klass, property, &error);
1274 mono_error_cleanup (&error);
1279 mono_custom_attrs_from_property_checked (MonoClass *klass, MonoProperty *property, MonoError *error)
1283 if (image_is_dynamic (klass->image)) {
1284 property = mono_metadata_get_corresponding_property_from_generic_type_definition (property);
1285 return lookup_custom_attr (klass->image, property);
1287 idx = find_property_index (klass, property);
1288 idx <<= MONO_CUSTOM_ATTR_BITS;
1289 idx |= MONO_CUSTOM_ATTR_PROPERTY;
1290 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1294 mono_custom_attrs_from_event (MonoClass *klass, MonoEvent *event)
1297 MonoCustomAttrInfo * result = mono_custom_attrs_from_event_checked (klass, event, &error);
1298 mono_error_cleanup (&error);
1303 mono_custom_attrs_from_event_checked (MonoClass *klass, MonoEvent *event, MonoError *error)
1307 if (image_is_dynamic (klass->image)) {
1308 event = mono_metadata_get_corresponding_event_from_generic_type_definition (event);
1309 return lookup_custom_attr (klass->image, event);
1311 idx = find_event_index (klass, event);
1312 idx <<= MONO_CUSTOM_ATTR_BITS;
1313 idx |= MONO_CUSTOM_ATTR_EVENT;
1314 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1318 mono_custom_attrs_from_field (MonoClass *klass, MonoClassField *field)
1321 MonoCustomAttrInfo * result = mono_custom_attrs_from_field_checked (klass, field, &error);
1322 mono_error_cleanup (&error);
1327 mono_custom_attrs_from_field_checked (MonoClass *klass, MonoClassField *field, MonoError *error)
1330 mono_error_init (error);
1332 if (image_is_dynamic (klass->image)) {
1333 field = mono_metadata_get_corresponding_field_from_generic_type_definition (field);
1334 return lookup_custom_attr (klass->image, field);
1336 idx = find_field_index (klass, field);
1337 idx <<= MONO_CUSTOM_ATTR_BITS;
1338 idx |= MONO_CUSTOM_ATTR_FIELDDEF;
1339 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1343 * mono_custom_attrs_from_param:
1344 * @method: handle to the method that we want to retrieve custom parameter information from
1345 * @param: parameter number, where zero represent the return value, and one is the first parameter in the method
1347 * The result must be released with mono_custom_attrs_free().
1349 * Returns: the custom attribute object for the specified parameter, or NULL if there are none.
1352 mono_custom_attrs_from_param (MonoMethod *method, guint32 param)
1355 MonoCustomAttrInfo *result = mono_custom_attrs_from_param_checked (method, param, &error);
1356 mono_error_cleanup (&error);
1361 * mono_custom_attrs_from_param_checked:
1362 * @method: handle to the method that we want to retrieve custom parameter information from
1363 * @param: parameter number, where zero represent the return value, and one is the first parameter in the method
1364 * @error: set on error
1366 * The result must be released with mono_custom_attrs_free().
1368 * Returns: the custom attribute object for the specified parameter, or NULL if there are none. On failure returns NULL and sets @error.
1371 mono_custom_attrs_from_param_checked (MonoMethod *method, guint32 param, MonoError *error)
1374 guint32 i, idx, method_index;
1375 guint32 param_list, param_last, param_pos, found;
1377 MonoReflectionMethodAux *aux;
1379 mono_error_init (error);
1382 * An instantiated method has the same cattrs as the generic method definition.
1384 * LAMESPEC: The .NET SRE throws an exception for instantiations of generic method builders
1385 * Note that this stanza is not necessary for non-SRE types, but it's a micro-optimization
1387 if (method->is_inflated)
1388 method = ((MonoMethodInflated *) method)->declaring;
1390 if (image_is_dynamic (method->klass->image)) {
1391 MonoCustomAttrInfo *res, *ainfo;
1394 aux = (MonoReflectionMethodAux *)g_hash_table_lookup (((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1395 if (!aux || !aux->param_cattr)
1398 /* Need to copy since it will be freed later */
1399 ainfo = aux->param_cattr [param];
1402 size = MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * ainfo->num_attrs;
1403 res = (MonoCustomAttrInfo *)g_malloc0 (size);
1404 memcpy (res, ainfo, size);
1408 image = method->klass->image;
1409 method_index = mono_method_get_index (method);
1412 ca = &image->tables [MONO_TABLE_METHOD];
1414 param_list = mono_metadata_decode_row_col (ca, method_index - 1, MONO_METHOD_PARAMLIST);
1415 if (method_index == ca->rows) {
1416 ca = &image->tables [MONO_TABLE_PARAM];
1417 param_last = ca->rows + 1;
1419 param_last = mono_metadata_decode_row_col (ca, method_index, MONO_METHOD_PARAMLIST);
1420 ca = &image->tables [MONO_TABLE_PARAM];
1423 for (i = param_list; i < param_last; ++i) {
1424 param_pos = mono_metadata_decode_row_col (ca, i - 1, MONO_PARAM_SEQUENCE);
1425 if (param_pos == param) {
1433 idx <<= MONO_CUSTOM_ATTR_BITS;
1434 idx |= MONO_CUSTOM_ATTR_PARAMDEF;
1435 return mono_custom_attrs_from_index_checked (image, idx, FALSE, error);
1439 mono_custom_attrs_has_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass)
1442 for (i = 0; i < ainfo->num_attrs; ++i) {
1443 MonoCustomAttrEntry *centry = &ainfo->attrs[i];
1444 if (centry->ctor == NULL)
1446 MonoClass *klass = centry->ctor->klass;
1447 if (klass == attr_klass || mono_class_has_parent (klass, attr_klass) || (MONO_CLASS_IS_INTERFACE (attr_klass) && mono_class_is_assignable_from (attr_klass, klass)))
1454 mono_custom_attrs_get_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass)
1457 MonoObject *res = mono_custom_attrs_get_attr_checked (ainfo, attr_klass, &error);
1458 mono_error_assert_ok (&error); /*FIXME proper error handling*/
1463 mono_custom_attrs_get_attr_checked (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass, MonoError *error)
1466 MonoCustomAttrEntry *centry = NULL;
1468 g_assert (attr_klass != NULL);
1470 mono_error_init (error);
1472 for (i = 0; i < ainfo->num_attrs; ++i) {
1473 centry = &ainfo->attrs[i];
1474 if (centry->ctor == NULL)
1476 MonoClass *klass = centry->ctor->klass;
1477 if (attr_klass == klass || mono_class_is_assignable_from (attr_klass, klass))
1483 return create_custom_attr (ainfo->image, centry->ctor, centry->data, centry->data_size, error);
1487 * mono_reflection_get_custom_attrs_info:
1488 * @obj: a reflection object handle
1490 * Return the custom attribute info for attributes defined for the
1491 * reflection handle @obj. The objects.
1493 * FIXME this function leaks like a sieve for SRE objects.
1496 mono_reflection_get_custom_attrs_info (MonoObject *obj)
1499 MonoCustomAttrInfo *result = mono_reflection_get_custom_attrs_info_checked (obj, &error);
1500 mono_error_assert_ok (&error);
1505 * mono_reflection_get_custom_attrs_info_checked:
1506 * @obj: a reflection object handle
1507 * @error: set on error
1509 * Return the custom attribute info for attributes defined for the
1510 * reflection handle @obj. The objects.
1512 * On failure returns NULL and sets @error.
1514 * FIXME this function leaks like a sieve for SRE objects.
1517 mono_reflection_get_custom_attrs_info_checked (MonoObject *obj, MonoError *error)
1520 MonoCustomAttrInfo *cinfo = NULL;
1522 mono_error_init (error);
1524 klass = obj->vtable->klass;
1525 if (klass == mono_defaults.runtimetype_class) {
1526 MonoType *type = mono_reflection_type_get_handle ((MonoReflectionType *)obj, error);
1527 return_val_if_nok (error, NULL);
1528 klass = mono_class_from_mono_type (type);
1529 /*We cannot mono_class_init the class from which we'll load the custom attributes since this must work with broken types.*/
1530 cinfo = mono_custom_attrs_from_class_checked (klass, error);
1531 return_val_if_nok (error, NULL);
1532 } else if (strcmp ("Assembly", klass->name) == 0 || strcmp ("MonoAssembly", klass->name) == 0) {
1533 MonoReflectionAssembly *rassembly = (MonoReflectionAssembly*)obj;
1534 cinfo = mono_custom_attrs_from_assembly_checked (rassembly->assembly, FALSE, error);
1535 return_val_if_nok (error, NULL);
1536 } else if (strcmp ("Module", klass->name) == 0 || strcmp ("MonoModule", klass->name) == 0) {
1537 MonoReflectionModule *module = (MonoReflectionModule*)obj;
1538 cinfo = mono_custom_attrs_from_module (module->image, error);
1539 return_val_if_nok (error, NULL);
1540 } else if (strcmp ("MonoProperty", klass->name) == 0) {
1541 MonoReflectionProperty *rprop = (MonoReflectionProperty*)obj;
1542 cinfo = mono_custom_attrs_from_property_checked (rprop->property->parent, rprop->property, error);
1543 return_val_if_nok (error, NULL);
1544 } else if (strcmp ("MonoEvent", klass->name) == 0) {
1545 MonoReflectionMonoEvent *revent = (MonoReflectionMonoEvent*)obj;
1546 cinfo = mono_custom_attrs_from_event_checked (revent->event->parent, revent->event, error);
1547 return_val_if_nok (error, NULL);
1548 } else if (strcmp ("MonoField", klass->name) == 0) {
1549 MonoReflectionField *rfield = (MonoReflectionField*)obj;
1550 cinfo = mono_custom_attrs_from_field_checked (rfield->field->parent, rfield->field, error);
1551 return_val_if_nok (error, NULL);
1552 } else if ((strcmp ("MonoMethod", klass->name) == 0) || (strcmp ("MonoCMethod", klass->name) == 0)) {
1553 MonoReflectionMethod *rmethod = (MonoReflectionMethod*)obj;
1554 cinfo = mono_custom_attrs_from_method_checked (rmethod->method, error);
1555 return_val_if_nok (error, NULL);
1556 } else if (strcmp ("ParameterInfo", klass->name) == 0 || strcmp ("MonoParameterInfo", klass->name) == 0) {
1557 MonoReflectionParameter *param = (MonoReflectionParameter*)obj;
1558 MonoClass *member_class = mono_object_class (param->MemberImpl);
1559 if (mono_class_is_reflection_method_or_constructor (member_class)) {
1560 MonoReflectionMethod *rmethod = (MonoReflectionMethod*)param->MemberImpl;
1561 cinfo = mono_custom_attrs_from_param_checked (rmethod->method, param->PositionImpl + 1, error);
1562 return_val_if_nok (error, NULL);
1563 } else if (mono_is_sr_mono_property (member_class)) {
1564 MonoReflectionProperty *prop = (MonoReflectionProperty *)param->MemberImpl;
1566 if (!(method = prop->property->get))
1567 method = prop->property->set;
1570 cinfo = mono_custom_attrs_from_param_checked (method, param->PositionImpl + 1, error);
1571 return_val_if_nok (error, NULL);
1573 #ifndef DISABLE_REFLECTION_EMIT
1574 else if (mono_is_sre_method_on_tb_inst (member_class)) {/*XXX This is a workaround for Compiler Context*/
1575 // FIXME: Is this still needed ?
1576 g_assert_not_reached ();
1577 } else if (mono_is_sre_ctor_on_tb_inst (member_class)) { /*XX This is a workaround for Compiler Context*/
1578 // FIXME: Is this still needed ?
1579 g_assert_not_reached ();
1583 char *type_name = mono_type_get_full_name (member_class);
1584 mono_error_set_not_supported (error,
1585 "Custom attributes on a ParamInfo with member %s are not supported",
1590 } else if (strcmp ("AssemblyBuilder", klass->name) == 0) {
1591 MonoReflectionAssemblyBuilder *assemblyb = (MonoReflectionAssemblyBuilder*)obj;
1592 cinfo = mono_custom_attrs_from_builders (NULL, assemblyb->assembly.assembly->image, assemblyb->cattrs);
1593 } else if (strcmp ("TypeBuilder", klass->name) == 0) {
1594 MonoReflectionTypeBuilder *tb = (MonoReflectionTypeBuilder*)obj;
1595 cinfo = mono_custom_attrs_from_builders (NULL, &tb->module->dynamic_image->image, tb->cattrs);
1596 } else if (strcmp ("ModuleBuilder", klass->name) == 0) {
1597 MonoReflectionModuleBuilder *mb = (MonoReflectionModuleBuilder*)obj;
1598 cinfo = mono_custom_attrs_from_builders (NULL, &mb->dynamic_image->image, mb->cattrs);
1599 } else if (strcmp ("ConstructorBuilder", klass->name) == 0) {
1600 MonoReflectionCtorBuilder *cb = (MonoReflectionCtorBuilder*)obj;
1601 cinfo = mono_custom_attrs_from_builders (NULL, cb->mhandle->klass->image, cb->cattrs);
1602 } else if (strcmp ("MethodBuilder", klass->name) == 0) {
1603 MonoReflectionMethodBuilder *mb = (MonoReflectionMethodBuilder*)obj;
1604 cinfo = mono_custom_attrs_from_builders (NULL, mb->mhandle->klass->image, mb->cattrs);
1605 } else if (strcmp ("FieldBuilder", klass->name) == 0) {
1606 MonoReflectionFieldBuilder *fb = (MonoReflectionFieldBuilder*)obj;
1607 cinfo = mono_custom_attrs_from_builders (NULL, &((MonoReflectionTypeBuilder*)fb->typeb)->module->dynamic_image->image, fb->cattrs);
1608 } else if (strcmp ("MonoGenericClass", klass->name) == 0) {
1609 MonoReflectionGenericClass *gclass = (MonoReflectionGenericClass*)obj;
1610 cinfo = mono_reflection_get_custom_attrs_info_checked ((MonoObject*)gclass->generic_type, error);
1611 return_val_if_nok (error, NULL);
1612 } else { /* handle other types here... */
1613 g_error ("get custom attrs not yet supported for %s", klass->name);
1620 * mono_reflection_get_custom_attrs_by_type:
1621 * @obj: a reflection object handle
1623 * Return an array with all the custom attributes defined of the
1624 * reflection handle @obj. If @attr_klass is non-NULL, only custom attributes
1625 * of that type are returned. The objects are fully build. Return NULL if a loading error
1629 mono_reflection_get_custom_attrs_by_type (MonoObject *obj, MonoClass *attr_klass, MonoError *error)
1632 MonoCustomAttrInfo *cinfo;
1634 mono_error_init (error);
1636 cinfo = mono_reflection_get_custom_attrs_info_checked (obj, error);
1637 return_val_if_nok (error, NULL);
1639 result = mono_custom_attrs_construct_by_type (cinfo, attr_klass, error);
1641 mono_custom_attrs_free (cinfo);
1645 result = mono_array_new_cached (mono_domain_get (), mono_defaults.attribute_class, 0, error);
1652 * mono_reflection_get_custom_attrs:
1653 * @obj: a reflection object handle
1655 * Return an array with all the custom attributes defined of the
1656 * reflection handle @obj. The objects are fully build. Return NULL if a loading error
1660 mono_reflection_get_custom_attrs (MonoObject *obj)
1664 return mono_reflection_get_custom_attrs_by_type (obj, NULL, &error);
1668 * mono_reflection_get_custom_attrs_data:
1669 * @obj: a reflection obj handle
1671 * Returns an array of System.Reflection.CustomAttributeData,
1672 * which include information about attributes reflected on
1673 * types loaded using the Reflection Only methods
1676 mono_reflection_get_custom_attrs_data (MonoObject *obj)
1680 result = mono_reflection_get_custom_attrs_data_checked (obj, &error);
1681 mono_error_cleanup (&error);
1686 * mono_reflection_get_custom_attrs_data_checked:
1687 * @obj: a reflection obj handle
1688 * @error: set on error
1690 * Returns an array of System.Reflection.CustomAttributeData,
1691 * which include information about attributes reflected on
1692 * types loaded using the Reflection Only methods
1695 mono_reflection_get_custom_attrs_data_checked (MonoObject *obj, MonoError *error)
1698 MonoCustomAttrInfo *cinfo;
1700 mono_error_init (error);
1702 cinfo = mono_reflection_get_custom_attrs_info_checked (obj, error);
1703 return_val_if_nok (error, NULL);
1705 result = mono_custom_attrs_data_construct (cinfo, error);
1707 mono_custom_attrs_free (cinfo);
1708 return_val_if_nok (error, NULL);
1710 result = mono_array_new_checked (mono_domain_get (), mono_defaults.customattribute_data_class, 0, error);
1716 custom_attr_class_name_from_methoddef (MonoImage *image, guint32 method_token, const gchar **nspace, const gchar **class_name)
1718 /* mono_get_method_from_token () */
1719 g_assert (mono_metadata_token_table (method_token) == MONO_TABLE_METHOD);
1720 guint32 type_token = mono_metadata_typedef_from_method (image, method_token);
1722 /* Bad method token (could not find corresponding typedef) */
1725 type_token |= MONO_TOKEN_TYPE_DEF;
1727 /* mono_class_create_from_typedef () */
1728 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
1729 guint32 cols [MONO_TYPEDEF_SIZE];
1730 guint tidx = mono_metadata_token_index (type_token);
1732 if (mono_metadata_token_table (type_token) != MONO_TABLE_TYPEDEF || tidx > tt->rows) {
1733 /* "Invalid typedef token %x", type_token */
1737 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
1740 *class_name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
1742 *nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
1749 * custom_attr_class_name_from_method_token:
1750 * @image: The MonoImage
1751 * @method_token: a token for a custom attr constructor in @image
1752 * @assembly_token: out argment set to the assembly ref token of the custom attr
1753 * @nspace: out argument set to namespace (a string in the string heap of @image) of the custom attr
1754 * @class_name: out argument set to the class name of the custom attr.
1756 * Given an @image and a @method_token (which is assumed to be a
1757 * constructor), fills in the out arguments with the assembly ref (if
1758 * a methodref) and the namespace and class name of the custom
1761 * Returns: TRUE on success, FALSE otherwise.
1763 * LOCKING: does not take locks
1766 custom_attr_class_name_from_method_token (MonoImage *image, guint32 method_token, guint32 *assembly_token, const gchar **nspace, const gchar **class_name)
1768 /* This only works with method tokens constructed from a
1769 * custom attr token, which can only be methoddef or
1771 g_assert (mono_metadata_token_table (method_token) == MONO_TABLE_METHOD
1772 || mono_metadata_token_table (method_token) == MONO_TABLE_MEMBERREF);
1774 if (mono_metadata_token_table (method_token) == MONO_TABLE_MEMBERREF) {
1775 /* method_from_memberref () */
1777 guint32 nindex, class_index;
1779 int idx = mono_metadata_token_index (method_token);
1781 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
1782 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
1783 class_index = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
1784 if (class_index == MONO_MEMBERREF_PARENT_TYPEREF) {
1785 guint32 type_token = MONO_TOKEN_TYPE_REF | nindex;
1786 /* mono_class_from_typeref_checked () */
1788 guint32 cols [MONO_TYPEREF_SIZE];
1789 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
1791 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
1794 *class_name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
1796 *nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
1798 *assembly_token = cols [MONO_TYPEREF_SCOPE];
1801 } else if (class_index == MONO_MEMBERREF_PARENT_METHODDEF) {
1802 guint32 methoddef_token = MONO_TOKEN_METHOD_DEF | nindex;
1804 *assembly_token = 0;
1805 return custom_attr_class_name_from_methoddef (image, methoddef_token, nspace, class_name);
1807 /* Attributes can't be generic, so it won't be
1808 * a typespec, and they're always
1809 * constructors, so it won't be a moduleref */
1810 g_assert_not_reached ();
1813 /* must be MONO_TABLE_METHOD */
1815 *assembly_token = 0;
1816 return custom_attr_class_name_from_methoddef (image, method_token, nspace, class_name);
1821 * mono_assembly_metadata_foreach_custom_attr:
1822 * @assembly: the assembly to iterate over
1823 * @func: the function to call for each custom attribute
1824 * @user_data: passed to @func
1826 * Calls @func for each custom attribute type on the given assembly until @func returns TRUE.
1827 * Everything is done using low-level metadata APIs, so it is safe to use during assembly loading.
1831 mono_assembly_metadata_foreach_custom_attr (MonoAssembly *assembly, MonoAssemblyMetadataCustomAttrIterFunc func, gpointer user_data)
1835 guint32 cols [MONO_CUSTOM_ATTR_SIZE];
1840 * This might be called during assembly loading, so do everything using the low-level
1844 image = assembly->image;
1845 g_assert (!image_is_dynamic (image));
1846 idx = 1; /* there is only one assembly */
1847 idx <<= MONO_CUSTOM_ATTR_BITS;
1848 idx |= MONO_CUSTOM_ATTR_ASSEMBLY;
1850 /* Inlined from mono_custom_attrs_from_index_checked () */
1851 ca = &image->tables [MONO_TABLE_CUSTOMATTRIBUTE];
1852 i = mono_metadata_custom_attrs_from_index (image, idx);
1856 gboolean stop_iterating = FALSE;
1857 while (!stop_iterating && i < ca->rows) {
1858 if (mono_metadata_decode_row_col (ca, i, MONO_CUSTOM_ATTR_PARENT) != idx)
1860 mono_metadata_decode_row (ca, i, cols, MONO_CUSTOM_ATTR_SIZE);
1862 mtoken = cols [MONO_CUSTOM_ATTR_TYPE] >> MONO_CUSTOM_ATTR_TYPE_BITS;
1863 switch (cols [MONO_CUSTOM_ATTR_TYPE] & MONO_CUSTOM_ATTR_TYPE_MASK) {
1864 case MONO_CUSTOM_ATTR_TYPE_METHODDEF:
1865 mtoken |= MONO_TOKEN_METHOD_DEF;
1867 case MONO_CUSTOM_ATTR_TYPE_MEMBERREF:
1868 mtoken |= MONO_TOKEN_MEMBER_REF;
1871 g_warning ("Unknown table for custom attr type %08x", cols [MONO_CUSTOM_ATTR_TYPE]);
1875 const char *nspace = NULL;
1876 const char *name = NULL;
1877 guint32 assembly_token = 0;
1879 if (!custom_attr_class_name_from_method_token (image, mtoken, &assembly_token, &nspace, &name))
1882 stop_iterating = func (image, assembly_token, nspace, name, mtoken, user_data);