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 int fcount = mono_class_get_field_count (klass);
124 for (i = 0; i < fcount; ++i) {
125 if (field == &klass->fields [i])
126 return mono_class_get_first_field_idx (klass) + 1 + i;
132 * Find the property index in the metadata Property table.
135 find_property_index (MonoClass *klass, MonoProperty *property) {
137 MonoClassExt *ext = mono_class_get_ext (klass);
139 for (i = 0; i < ext->property.count; ++i) {
140 if (property == &ext->properties [i])
141 return ext->property.first + 1 + i;
147 * Find the event index in the metadata Event table.
150 find_event_index (MonoClass *klass, MonoEvent *event) {
152 MonoClassExt *ext = mono_class_get_ext (klass);
154 for (i = 0; i < ext->event.count; ++i) {
155 if (event == &ext->events [i])
156 return ext->event.first + 1 + i;
162 * Load the type with name @n on behalf of image @image. On failure sets @error and returns NULL.
163 * The @is_enum flag only affects the error message that's displayed on failure.
166 cattr_type_from_name (char *n, MonoImage *image, gboolean is_enum, MonoError *error)
168 MonoError inner_error;
169 MonoType *t = mono_reflection_type_from_name_checked (n, image, &inner_error);
171 mono_error_set_type_load_name (error, g_strdup(n), NULL,
172 "Could not load %s %s while decoding custom attribute: %s",
173 is_enum ? "enum type": "type",
175 mono_error_get_message (&inner_error));
176 mono_error_cleanup (&inner_error);
183 load_cattr_enum_type (MonoImage *image, const char *p, const char **end, MonoError *error)
187 int slen = mono_metadata_decode_value (p, &p);
189 mono_error_init (error);
191 n = (char *)g_memdup (p, slen + 1);
193 t = cattr_type_from_name (n, image, TRUE, error);
195 return_val_if_nok (error, NULL);
198 return mono_class_from_mono_type (t);
202 load_cattr_value (MonoImage *image, MonoType *t, const char *p, const char **end, MonoError *error)
204 int slen, type = t->type;
205 MonoClass *tklass = t->data.klass;
207 mono_error_init (error);
213 case MONO_TYPE_BOOLEAN: {
214 MonoBoolean *bval = (MonoBoolean *)g_malloc (sizeof (MonoBoolean));
222 guint16 *val = (guint16 *)g_malloc (sizeof (guint16));
227 #if SIZEOF_VOID_P == 4
234 guint32 *val = (guint32 *)g_malloc (sizeof (guint32));
239 #if SIZEOF_VOID_P == 8
240 case MONO_TYPE_U: /* error out instead? this should probably not happen */
245 guint64 *val = (guint64 *)g_malloc (sizeof (guint64));
251 double *val = (double *)g_malloc (sizeof (double));
256 case MONO_TYPE_VALUETYPE:
257 if (t->data.klass->enumtype) {
258 type = mono_class_enum_basetype (t->data.klass)->type;
261 MonoClass *k = t->data.klass;
263 if (mono_is_corlib_image (k->image) && strcmp (k->name_space, "System") == 0 && strcmp (k->name, "DateTime") == 0){
264 guint64 *val = (guint64 *)g_malloc (sizeof (guint64));
270 g_error ("generic valutype %s not handled in custom attr value decoding", t->data.klass->name);
273 case MONO_TYPE_STRING:
274 if (*p == (char)0xFF) {
278 slen = mono_metadata_decode_value (p, &p);
280 return mono_string_new_len_checked (mono_domain_get (), p, slen, error);
281 case MONO_TYPE_CLASS: {
282 MonoReflectionType *rt;
285 if (*p == (char)0xFF) {
290 slen = mono_metadata_decode_value (p, &p);
291 n = (char *)g_memdup (p, slen + 1);
293 t = cattr_type_from_name (n, image, FALSE, error);
295 return_val_if_nok (error, NULL);
298 rt = mono_type_get_object_checked (mono_domain_get (), t, error);
299 if (!mono_error_ok (error))
304 case MONO_TYPE_OBJECT: {
307 MonoClass *subc = NULL;
312 } else if (subt == 0x0E) {
313 type = MONO_TYPE_STRING;
315 } else if (subt == 0x1D) {
316 MonoType simple_type = {{0}};
320 type = MONO_TYPE_SZARRAY;
322 tklass = mono_defaults.systemtype_class;
323 } else if (etype == 0x55) {
324 tklass = load_cattr_enum_type (image, p, &p, error);
325 if (!mono_error_ok (error))
329 /* See Partition II, Appendix B3 */
330 etype = MONO_TYPE_OBJECT;
331 simple_type.type = (MonoTypeEnum)etype;
332 tklass = mono_class_from_mono_type (&simple_type);
335 } else if (subt == 0x55) {
338 slen = mono_metadata_decode_value (p, &p);
339 n = (char *)g_memdup (p, slen + 1);
341 t = cattr_type_from_name (n, image, FALSE, error);
343 return_val_if_nok (error, NULL);
345 subc = mono_class_from_mono_type (t);
346 } else if (subt >= MONO_TYPE_BOOLEAN && subt <= MONO_TYPE_R8) {
347 MonoType simple_type = {{0}};
348 simple_type.type = (MonoTypeEnum)subt;
349 subc = mono_class_from_mono_type (&simple_type);
351 g_error ("Unknown type 0x%02x for object type encoding in custom attr", subt);
353 val = load_cattr_value (image, &subc->byval_arg, p, end, error);
355 if (mono_error_ok (error)) {
356 obj = mono_object_new_checked (mono_domain_get (), subc, error);
357 g_assert (!subc->has_references);
358 if (mono_error_ok (error))
359 mono_gc_memmove_atomic ((char*)obj + sizeof (MonoObject), val, mono_class_value_size (subc, NULL));
365 case MONO_TYPE_SZARRAY: {
367 guint32 i, alen, basetype;
370 if (alen == 0xffffffff) {
374 arr = mono_array_new_checked (mono_domain_get(), tklass, alen, error);
375 return_val_if_nok (error, NULL);
376 basetype = tklass->byval_arg.type;
377 if (basetype == MONO_TYPE_VALUETYPE && tklass->enumtype)
378 basetype = mono_class_enum_basetype (tklass)->type;
383 case MONO_TYPE_BOOLEAN:
384 for (i = 0; i < alen; i++) {
385 MonoBoolean val = *p++;
386 mono_array_set (arr, MonoBoolean, i, val);
392 for (i = 0; i < alen; i++) {
393 guint16 val = read16 (p);
394 mono_array_set (arr, guint16, i, val);
401 for (i = 0; i < alen; i++) {
402 guint32 val = read32 (p);
403 mono_array_set (arr, guint32, i, val);
408 for (i = 0; i < alen; i++) {
411 mono_array_set (arr, double, i, val);
417 for (i = 0; i < alen; i++) {
418 guint64 val = read64 (p);
419 mono_array_set (arr, guint64, i, val);
423 case MONO_TYPE_CLASS:
424 case MONO_TYPE_OBJECT:
425 case MONO_TYPE_STRING:
426 case MONO_TYPE_SZARRAY:
427 for (i = 0; i < alen; i++) {
428 MonoObject *item = (MonoObject *)load_cattr_value (image, &tklass->byval_arg, p, &p, error);
429 if (!mono_error_ok (error))
431 mono_array_setref (arr, i, item);
435 g_error ("Type 0x%02x not handled in custom attr array decoding", basetype);
441 g_error ("Type 0x%02x not handled in custom attr value decoding", type);
447 load_cattr_value_boxed (MonoDomain *domain, MonoImage *image, MonoType *t, const char* p, const char** end, MonoError *error)
449 mono_error_init (error);
451 gboolean is_ref = type_is_reference (t);
453 void *val = load_cattr_value (image, t, p, end, error);
454 if (!is_ok (error)) {
461 return (MonoObject*)val;
463 MonoObject *boxed = mono_value_box_checked (domain, mono_class_from_mono_type (t), val, error);
469 create_cattr_typed_arg (MonoType *t, MonoObject *val, MonoError *error)
471 static MonoMethod *ctor;
473 void *params [2], *unboxed;
475 mono_error_init (error);
478 ctor = mono_class_get_method_from_name (mono_class_get_custom_attribute_typed_argument_class (), ".ctor", 2);
480 params [0] = mono_type_get_object_checked (mono_domain_get (), t, error);
481 return_val_if_nok (error, NULL);
484 retval = mono_object_new_checked (mono_domain_get (), mono_class_get_custom_attribute_typed_argument_class (), error);
485 return_val_if_nok (error, NULL);
486 unboxed = mono_object_unbox (retval);
488 mono_runtime_invoke_checked (ctor, unboxed, params, error);
489 return_val_if_nok (error, NULL);
495 create_cattr_named_arg (void *minfo, MonoObject *typedarg, MonoError *error)
497 static MonoMethod *ctor;
499 void *unboxed, *params [2];
501 mono_error_init (error);
504 ctor = mono_class_get_method_from_name (mono_class_get_custom_attribute_named_argument_class (), ".ctor", 2);
507 params [1] = typedarg;
508 retval = mono_object_new_checked (mono_domain_get (), mono_class_get_custom_attribute_named_argument_class (), error);
509 return_val_if_nok (error, NULL);
511 unboxed = mono_object_unbox (retval);
513 mono_runtime_invoke_checked (ctor, unboxed, params, error);
514 return_val_if_nok (error, NULL);
521 mono_custom_attrs_from_builders (MonoImage *alloc_img, MonoImage *image, MonoArray *cattrs)
523 MONO_REQ_GC_UNSAFE_MODE;
525 int i, index, count, not_visible;
526 MonoCustomAttrInfo *ainfo;
527 MonoReflectionCustomAttr *cattr;
531 /* FIXME: check in assembly the Run flag is set */
533 count = mono_array_length (cattrs);
535 /* Skip nonpublic attributes since MS.NET seems to do the same */
536 /* FIXME: This needs to be done more globally */
538 for (i = 0; i < count; ++i) {
539 cattr = (MonoReflectionCustomAttr*)mono_array_get (cattrs, gpointer, i);
540 if (!custom_attr_visible (image, cattr))
544 int num_attrs = count - not_visible;
545 ainfo = (MonoCustomAttrInfo *)mono_image_g_malloc0 (alloc_img, MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * num_attrs);
547 ainfo->image = image;
548 ainfo->num_attrs = num_attrs;
549 ainfo->cached = alloc_img != NULL;
551 for (i = 0; i < count; ++i) {
552 cattr = (MonoReflectionCustomAttr*)mono_array_get (cattrs, gpointer, i);
553 if (custom_attr_visible (image, cattr)) {
554 unsigned char *saved = (unsigned char *)mono_image_alloc (image, mono_array_length (cattr->data));
555 memcpy (saved, mono_array_addr (cattr->data, char, 0), mono_array_length (cattr->data));
556 ainfo->attrs [index].ctor = cattr->ctor->method;
557 g_assert (cattr->ctor->method);
558 ainfo->attrs [index].data = saved;
559 ainfo->attrs [index].data_size = mono_array_length (cattr->data);
563 g_assert (index == num_attrs && count == num_attrs + not_visible);
570 create_custom_attr (MonoImage *image, MonoMethod *method, const guchar *data, guint32 len, MonoError *error)
572 const char *p = (const char*)data;
574 guint32 i, j, num_named;
576 void *params_buf [32];
577 void **params = NULL;
578 MonoMethodSignature *sig;
580 mono_error_init (error);
582 mono_class_init (method->klass);
584 if (!mono_verifier_verify_cattr_content (image, method, data, len, NULL)) {
585 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Binary format of the specified custom attribute was invalid.");
590 attr = mono_object_new_checked (mono_domain_get (), method->klass, error);
591 if (!mono_error_ok (error)) return NULL;
593 mono_runtime_invoke_checked (method, attr, NULL, error);
594 if (!mono_error_ok (error))
600 if (len < 2 || read16 (p) != 0x0001) /* Prolog */
603 /*g_print ("got attr %s\n", method->klass->name);*/
605 sig = mono_method_signature (method);
606 if (sig->param_count < 32) {
608 memset (params, 0, sizeof (void*) * sig->param_count);
610 /* Allocate using GC so it gets GC tracking */
611 params = (void **)mono_gc_alloc_fixed (sig->param_count * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_REFLECTION, "custom attribute parameters");
616 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
617 params [i] = load_cattr_value (image, mono_method_signature (method)->params [i], p, &p, error);
618 if (!mono_error_ok (error))
623 attr = mono_object_new_checked (mono_domain_get (), method->klass, error);
624 if (!mono_error_ok (error)) goto fail;
626 MonoObject *exc = NULL;
627 mono_runtime_try_invoke (method, attr, params, &exc, error);
628 if (!mono_error_ok (error))
631 mono_error_set_exception_instance (error, (MonoException*)exc);
635 num_named = read16 (named);
637 for (j = 0; j < num_named; j++) {
639 char *name, named_type, data_type;
640 named_type = *named++;
641 data_type = *named++; /* type of data */
642 if (data_type == MONO_TYPE_SZARRAY)
643 data_type = *named++;
644 if (data_type == MONO_TYPE_ENUM) {
647 type_len = mono_metadata_decode_blob_size (named, &named);
648 type_name = (char *)g_malloc (type_len + 1);
649 memcpy (type_name, named, type_len);
650 type_name [type_len] = 0;
652 /* FIXME: lookup the type and check type consistency */
655 name_len = mono_metadata_decode_blob_size (named, &named);
656 name = (char *)g_malloc (name_len + 1);
657 memcpy (name, named, name_len);
660 if (named_type == 0x53) {
661 MonoClassField *field;
664 /* how this fail is a blackbox */
665 field = mono_class_get_field_from_name (mono_object_class (attr), name);
667 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Could not find a field with name %s", name);
672 val = load_cattr_value (image, field->type, named, &named, error);
673 if (!mono_error_ok (error)) {
675 if (!type_is_reference (field->type))
680 mono_field_set_value (attr, field, val);
681 if (!type_is_reference (field->type))
683 } else if (named_type == 0x54) {
688 prop = mono_class_get_property_from_name (mono_object_class (attr), name);
691 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Could not find a property with name %s", name);
697 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Could not find the setter for %s", name);
702 /* can we have more that 1 arg in a custom attr named property? */
703 prop_type = prop->get? mono_method_signature (prop->get)->ret :
704 mono_method_signature (prop->set)->params [mono_method_signature (prop->set)->param_count - 1];
706 pparams [0] = load_cattr_value (image, prop_type, named, &named, error);
707 if (!mono_error_ok (error)) {
709 if (!type_is_reference (prop_type))
710 g_free (pparams [0]);
715 mono_property_set_value_checked (prop, attr, pparams, error);
716 if (!type_is_reference (prop_type))
717 g_free (pparams [0]);
718 if (!is_ok (error)) {
726 free_param_data (method->signature, params);
727 if (params != params_buf)
728 mono_gc_free_fixed (params);
733 free_param_data (method->signature, params);
734 if (params != params_buf)
735 mono_gc_free_fixed (params);
740 * mono_reflection_create_custom_attr_data_args:
742 * Create an array of typed and named arguments from the cattr blob given by DATA.
743 * TYPED_ARGS and NAMED_ARGS will contain the objects representing the arguments,
744 * NAMED_ARG_INFO will contain information about the named arguments.
747 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)
749 MonoArray *typedargs, *namedargs;
750 MonoClass *attrklass;
752 const char *p = (const char*)data;
754 guint32 i, j, num_named;
755 CattrNamedArg *arginfo = NULL;
759 *named_arg_info = NULL;
761 mono_error_init (error);
763 if (!mono_verifier_verify_cattr_content (image, method, data, len, NULL)) {
764 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Binary format of the specified custom attribute was invalid.");
768 mono_class_init (method->klass);
770 domain = mono_domain_get ();
772 if (len < 2 || read16 (p) != 0x0001) /* Prolog */
775 typedargs = mono_array_new_checked (domain, mono_get_object_class (), mono_method_signature (method)->param_count, error);
776 return_if_nok (error);
780 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
783 obj = load_cattr_value_boxed (domain, image, mono_method_signature (method)->params [i], p, &p, error);
784 return_if_nok (error);
785 mono_array_setref (typedargs, i, obj);
789 num_named = read16 (named);
790 namedargs = mono_array_new_checked (domain, mono_get_object_class (), num_named, error);
791 return_if_nok (error);
793 attrklass = method->klass;
795 arginfo = g_new0 (CattrNamedArg, num_named);
796 *named_arg_info = arginfo;
798 for (j = 0; j < num_named; j++) {
800 char *name, named_type, data_type;
801 named_type = *named++;
802 data_type = *named++; /* type of data */
803 if (data_type == MONO_TYPE_SZARRAY)
804 data_type = *named++;
805 if (data_type == MONO_TYPE_ENUM) {
808 type_len = mono_metadata_decode_blob_size (named, &named);
809 if (ADDP_IS_GREATER_OR_OVF ((const guchar*)named, type_len, data + len))
812 type_name = (char *)g_malloc (type_len + 1);
813 memcpy (type_name, named, type_len);
814 type_name [type_len] = 0;
816 /* FIXME: lookup the type and check type consistency */
819 name_len = mono_metadata_decode_blob_size (named, &named);
820 if (ADDP_IS_GREATER_OR_OVF ((const guchar*)named, name_len, data + len))
822 name = (char *)g_malloc (name_len + 1);
823 memcpy (name, named, name_len);
826 if (named_type == 0x53) {
828 MonoClassField *field = mono_class_get_field_from_name (attrklass, name);
835 arginfo [j].type = field->type;
836 arginfo [j].field = field;
838 obj = load_cattr_value_boxed (domain, image, field->type, named, &named, error);
839 if (!is_ok (error)) {
843 mono_array_setref (namedargs, j, obj);
845 } else if (named_type == 0x54) {
848 MonoProperty *prop = mono_class_get_property_from_name (attrklass, name);
850 if (!prop || !prop->set) {
855 prop_type = prop->get? mono_method_signature (prop->get)->ret :
856 mono_method_signature (prop->set)->params [mono_method_signature (prop->set)->param_count - 1];
858 arginfo [j].type = prop_type;
859 arginfo [j].prop = prop;
861 obj = load_cattr_value_boxed (domain, image, prop_type, named, &named, error);
862 if (!is_ok (error)) {
866 mono_array_setref (namedargs, j, obj);
871 *typed_args = typedargs;
872 *named_args = namedargs;
875 mono_error_set_generic_error (error, "System.Reflection", "CustomAttributeFormatException", "Binary format of the specified custom attribute was invalid.");
877 *named_arg_info = NULL;
881 reflection_resolve_custom_attribute_data (MonoReflectionMethod *ref_method, MonoReflectionAssembly *assembly, gpointer data, guint32 len, MonoArray **ctor_args, MonoArray **named_args, MonoError *error)
884 MonoArray *typedargs, *namedargs;
887 CattrNamedArg *arginfo = NULL;
890 mono_error_init (error);
898 image = assembly->assembly->image;
899 method = ref_method->method;
900 domain = mono_object_domain (ref_method);
902 if (!mono_class_init (method->klass)) {
903 mono_error_set_for_class_failure (error, method->klass);
907 mono_reflection_create_custom_attr_data_args (image, method, (const guchar *)data, len, &typedargs, &namedargs, &arginfo, error);
911 if (!typedargs || !namedargs)
914 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
915 MonoObject *obj = mono_array_get (typedargs, MonoObject*, i);
916 MonoObject *typedarg;
918 typedarg = create_cattr_typed_arg (mono_method_signature (method)->params [i], obj, error);
921 mono_array_setref (typedargs, i, typedarg);
924 for (i = 0; i < mono_array_length (namedargs); ++i) {
925 MonoObject *obj = mono_array_get (namedargs, MonoObject*, i);
926 MonoObject *typedarg, *namedarg, *minfo;
928 if (arginfo [i].prop) {
929 minfo = (MonoObject*)mono_property_get_object_checked (domain, NULL, arginfo [i].prop, error);
933 minfo = (MonoObject*)mono_field_get_object_checked (domain, NULL, arginfo [i].field, error);
938 typedarg = create_cattr_typed_arg (arginfo [i].type, obj, error);
941 namedarg = create_cattr_named_arg (minfo, typedarg, error);
945 mono_array_setref (namedargs, i, namedarg);
948 *ctor_args = typedargs;
949 *named_args = namedargs;
953 return mono_error_ok (error);
957 ves_icall_System_Reflection_CustomAttributeData_ResolveArgumentsInternal (MonoReflectionMethod *ref_method, MonoReflectionAssembly *assembly, gpointer data, guint32 len, MonoArray **ctor_args, MonoArray **named_args)
960 (void) reflection_resolve_custom_attribute_data (ref_method, assembly, data, len, ctor_args, named_args, &error);
961 mono_error_set_pending_exception (&error);
965 create_custom_attr_data (MonoImage *image, MonoCustomAttrEntry *cattr, MonoError *error)
967 static MonoMethod *ctor;
973 mono_error_init (error);
975 g_assert (image->assembly);
978 ctor = mono_class_get_method_from_name (mono_defaults.customattribute_data_class, ".ctor", 4);
980 domain = mono_domain_get ();
981 attr = mono_object_new_checked (domain, mono_defaults.customattribute_data_class, error);
982 return_val_if_nok (error, NULL);
983 params [0] = mono_method_get_object_checked (domain, cattr->ctor, NULL, error);
984 return_val_if_nok (error, NULL);
985 params [1] = mono_assembly_get_object_checked (domain, image->assembly, error);
986 return_val_if_nok (error, NULL);
987 params [2] = (gpointer)&cattr->data;
988 params [3] = &cattr->data_size;
990 mono_runtime_invoke_checked (ctor, attr, params, error);
991 return_val_if_nok (error, NULL);
996 mono_custom_attrs_construct_by_type (MonoCustomAttrInfo *cinfo, MonoClass *attr_klass, MonoError *error)
1002 mono_error_init (error);
1004 for (i = 0; i < cinfo->num_attrs; ++i) {
1005 MonoCustomAttrEntry *centry = &cinfo->attrs[i];
1006 if (!centry->ctor) {
1007 /* The cattr type is not finished yet */
1008 /* We should include the type name but cinfo doesn't contain it */
1009 mono_error_set_type_load_name (error, NULL, NULL, "Custom attribute constructor is null because the custom attribute type is not finished yet.");
1016 for (i = 0; i < cinfo->num_attrs; ++i) {
1017 MonoMethod *ctor = cinfo->attrs[i].ctor;
1019 if (mono_class_is_assignable_from (attr_klass, ctor->klass))
1023 n = cinfo->num_attrs;
1026 result = mono_array_new_cached (mono_domain_get (), mono_defaults.attribute_class, n, error);
1027 return_val_if_nok (error, NULL);
1029 for (i = 0; i < cinfo->num_attrs; ++i) {
1030 MonoCustomAttrEntry *centry = &cinfo->attrs [i];
1031 if (!attr_klass || mono_class_is_assignable_from (attr_klass, centry->ctor->klass)) {
1032 attr = create_custom_attr (cinfo->image, centry->ctor, centry->data, centry->data_size, error);
1033 if (!mono_error_ok (error))
1035 mono_array_setref (result, n, attr);
1043 mono_custom_attrs_construct (MonoCustomAttrInfo *cinfo)
1046 MonoArray *result = mono_custom_attrs_construct_by_type (cinfo, NULL, &error);
1047 mono_error_assert_ok (&error); /*FIXME proper error handling*/
1053 mono_custom_attrs_data_construct (MonoCustomAttrInfo *cinfo, MonoError *error)
1059 mono_error_init (error);
1060 result = mono_array_new_checked (mono_domain_get (), mono_defaults.customattribute_data_class, cinfo->num_attrs, error);
1061 return_val_if_nok (error, NULL);
1062 for (i = 0; i < cinfo->num_attrs; ++i) {
1063 attr = create_custom_attr_data (cinfo->image, &cinfo->attrs [i], error);
1064 return_val_if_nok (error, NULL);
1065 mono_array_setref (result, i, attr);
1071 * mono_custom_attrs_from_index:
1073 * Returns: NULL if no attributes are found or if a loading error occurs.
1076 mono_custom_attrs_from_index (MonoImage *image, guint32 idx)
1079 MonoCustomAttrInfo *result = mono_custom_attrs_from_index_checked (image, idx, FALSE, &error);
1080 mono_error_cleanup (&error);
1084 * mono_custom_attrs_from_index_checked:
1086 * Returns: NULL if no attributes are found. On error returns NULL and sets @error.
1089 mono_custom_attrs_from_index_checked (MonoImage *image, guint32 idx, gboolean ignore_missing, MonoError *error)
1091 guint32 mtoken, i, len;
1092 guint32 cols [MONO_CUSTOM_ATTR_SIZE];
1094 MonoCustomAttrInfo *ainfo;
1095 GList *tmp, *list = NULL;
1097 MonoCustomAttrEntry* attr;
1099 mono_error_init (error);
1101 ca = &image->tables [MONO_TABLE_CUSTOMATTRIBUTE];
1103 i = mono_metadata_custom_attrs_from_index (image, idx);
1107 while (i < ca->rows) {
1108 if (mono_metadata_decode_row_col (ca, i, MONO_CUSTOM_ATTR_PARENT) != idx)
1110 list = g_list_prepend (list, GUINT_TO_POINTER (i));
1113 len = g_list_length (list);
1116 ainfo = (MonoCustomAttrInfo *)g_malloc0 (MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * len);
1117 ainfo->num_attrs = len;
1118 ainfo->image = image;
1119 for (i = len, tmp = list; i != 0; --i, tmp = tmp->next) {
1120 mono_metadata_decode_row (ca, GPOINTER_TO_UINT (tmp->data), cols, MONO_CUSTOM_ATTR_SIZE);
1121 mtoken = cols [MONO_CUSTOM_ATTR_TYPE] >> MONO_CUSTOM_ATTR_TYPE_BITS;
1122 switch (cols [MONO_CUSTOM_ATTR_TYPE] & MONO_CUSTOM_ATTR_TYPE_MASK) {
1123 case MONO_CUSTOM_ATTR_TYPE_METHODDEF:
1124 mtoken |= MONO_TOKEN_METHOD_DEF;
1126 case MONO_CUSTOM_ATTR_TYPE_MEMBERREF:
1127 mtoken |= MONO_TOKEN_MEMBER_REF;
1130 g_error ("Unknown table for custom attr type %08x", cols [MONO_CUSTOM_ATTR_TYPE]);
1133 attr = &ainfo->attrs [i - 1];
1134 attr->ctor = mono_get_method_checked (image, mtoken, NULL, NULL, error);
1136 g_warning ("Can't find custom attr constructor image: %s mtoken: 0x%08x due to: %s", image->name, mtoken, mono_error_get_message (error));
1137 if (ignore_missing) {
1138 mono_error_cleanup (error);
1139 mono_error_init (error);
1147 if (!mono_verifier_verify_cattr_blob (image, cols [MONO_CUSTOM_ATTR_VALUE], NULL)) {
1148 /*FIXME raising an exception here doesn't make any sense*/
1149 g_warning ("Invalid custom attribute blob on image %s for index %x", image->name, idx);
1154 data = mono_metadata_blob_heap (image, cols [MONO_CUSTOM_ATTR_VALUE]);
1155 attr->data_size = mono_metadata_decode_value (data, &data);
1156 attr->data = (guchar*)data;
1164 mono_custom_attrs_from_method (MonoMethod *method)
1167 MonoCustomAttrInfo* result = mono_custom_attrs_from_method_checked (method, &error);
1168 mono_error_cleanup (&error); /* FIXME want a better API that doesn't swallow the error */
1173 mono_custom_attrs_from_method_checked (MonoMethod *method, MonoError *error)
1177 mono_error_init (error);
1180 * An instantiated method has the same cattrs as the generic method definition.
1182 * LAMESPEC: The .NET SRE throws an exception for instantiations of generic method builders
1183 * Note that this stanza is not necessary for non-SRE types, but it's a micro-optimization
1185 if (method->is_inflated)
1186 method = ((MonoMethodInflated *) method)->declaring;
1188 if (method_is_dynamic (method) || image_is_dynamic (method->klass->image))
1189 return lookup_custom_attr (method->klass->image, method);
1192 /* Synthetic methods */
1195 idx = mono_method_get_index (method);
1196 idx <<= MONO_CUSTOM_ATTR_BITS;
1197 idx |= MONO_CUSTOM_ATTR_METHODDEF;
1198 return mono_custom_attrs_from_index_checked (method->klass->image, idx, FALSE, error);
1202 mono_custom_attrs_from_class (MonoClass *klass)
1205 MonoCustomAttrInfo *result = mono_custom_attrs_from_class_checked (klass, &error);
1206 mono_error_cleanup (&error);
1211 mono_custom_attrs_from_class_checked (MonoClass *klass, MonoError *error)
1215 mono_error_init (error);
1217 if (mono_class_is_ginst (klass))
1218 klass = mono_class_get_generic_class (klass)->container_class;
1220 if (image_is_dynamic (klass->image))
1221 return lookup_custom_attr (klass->image, klass);
1223 if (klass->byval_arg.type == MONO_TYPE_VAR || klass->byval_arg.type == MONO_TYPE_MVAR) {
1224 idx = mono_metadata_token_index (klass->sizes.generic_param_token);
1225 idx <<= MONO_CUSTOM_ATTR_BITS;
1226 idx |= MONO_CUSTOM_ATTR_GENERICPAR;
1228 idx = mono_metadata_token_index (klass->type_token);
1229 idx <<= MONO_CUSTOM_ATTR_BITS;
1230 idx |= MONO_CUSTOM_ATTR_TYPEDEF;
1232 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1236 mono_custom_attrs_from_assembly (MonoAssembly *assembly)
1239 MonoCustomAttrInfo *result = mono_custom_attrs_from_assembly_checked (assembly, FALSE, &error);
1240 mono_error_cleanup (&error);
1245 mono_custom_attrs_from_assembly_checked (MonoAssembly *assembly, gboolean ignore_missing, MonoError *error)
1249 mono_error_init (error);
1251 if (image_is_dynamic (assembly->image))
1252 return lookup_custom_attr (assembly->image, assembly);
1253 idx = 1; /* there is only one assembly */
1254 idx <<= MONO_CUSTOM_ATTR_BITS;
1255 idx |= MONO_CUSTOM_ATTR_ASSEMBLY;
1256 return mono_custom_attrs_from_index_checked (assembly->image, idx, ignore_missing, error);
1259 static MonoCustomAttrInfo*
1260 mono_custom_attrs_from_module (MonoImage *image, MonoError *error)
1264 if (image_is_dynamic (image))
1265 return lookup_custom_attr (image, image);
1266 idx = 1; /* there is only one module */
1267 idx <<= MONO_CUSTOM_ATTR_BITS;
1268 idx |= MONO_CUSTOM_ATTR_MODULE;
1269 return mono_custom_attrs_from_index_checked (image, idx, FALSE, error);
1273 mono_custom_attrs_from_property (MonoClass *klass, MonoProperty *property)
1276 MonoCustomAttrInfo * result = mono_custom_attrs_from_property_checked (klass, property, &error);
1277 mono_error_cleanup (&error);
1282 mono_custom_attrs_from_property_checked (MonoClass *klass, MonoProperty *property, MonoError *error)
1286 if (image_is_dynamic (klass->image)) {
1287 property = mono_metadata_get_corresponding_property_from_generic_type_definition (property);
1288 return lookup_custom_attr (klass->image, property);
1290 idx = find_property_index (klass, property);
1291 idx <<= MONO_CUSTOM_ATTR_BITS;
1292 idx |= MONO_CUSTOM_ATTR_PROPERTY;
1293 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1297 mono_custom_attrs_from_event (MonoClass *klass, MonoEvent *event)
1300 MonoCustomAttrInfo * result = mono_custom_attrs_from_event_checked (klass, event, &error);
1301 mono_error_cleanup (&error);
1306 mono_custom_attrs_from_event_checked (MonoClass *klass, MonoEvent *event, MonoError *error)
1310 if (image_is_dynamic (klass->image)) {
1311 event = mono_metadata_get_corresponding_event_from_generic_type_definition (event);
1312 return lookup_custom_attr (klass->image, event);
1314 idx = find_event_index (klass, event);
1315 idx <<= MONO_CUSTOM_ATTR_BITS;
1316 idx |= MONO_CUSTOM_ATTR_EVENT;
1317 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1321 mono_custom_attrs_from_field (MonoClass *klass, MonoClassField *field)
1324 MonoCustomAttrInfo * result = mono_custom_attrs_from_field_checked (klass, field, &error);
1325 mono_error_cleanup (&error);
1330 mono_custom_attrs_from_field_checked (MonoClass *klass, MonoClassField *field, MonoError *error)
1333 mono_error_init (error);
1335 if (image_is_dynamic (klass->image)) {
1336 field = mono_metadata_get_corresponding_field_from_generic_type_definition (field);
1337 return lookup_custom_attr (klass->image, field);
1339 idx = find_field_index (klass, field);
1340 idx <<= MONO_CUSTOM_ATTR_BITS;
1341 idx |= MONO_CUSTOM_ATTR_FIELDDEF;
1342 return mono_custom_attrs_from_index_checked (klass->image, idx, FALSE, error);
1346 * mono_custom_attrs_from_param:
1347 * @method: handle to the method that we want to retrieve custom parameter information from
1348 * @param: parameter number, where zero represent the return value, and one is the first parameter in the method
1350 * The result must be released with mono_custom_attrs_free().
1352 * Returns: the custom attribute object for the specified parameter, or NULL if there are none.
1355 mono_custom_attrs_from_param (MonoMethod *method, guint32 param)
1358 MonoCustomAttrInfo *result = mono_custom_attrs_from_param_checked (method, param, &error);
1359 mono_error_cleanup (&error);
1364 * mono_custom_attrs_from_param_checked:
1365 * @method: handle to the method that we want to retrieve custom parameter information from
1366 * @param: parameter number, where zero represent the return value, and one is the first parameter in the method
1367 * @error: set on error
1369 * The result must be released with mono_custom_attrs_free().
1371 * Returns: the custom attribute object for the specified parameter, or NULL if there are none. On failure returns NULL and sets @error.
1374 mono_custom_attrs_from_param_checked (MonoMethod *method, guint32 param, MonoError *error)
1377 guint32 i, idx, method_index;
1378 guint32 param_list, param_last, param_pos, found;
1380 MonoReflectionMethodAux *aux;
1382 mono_error_init (error);
1385 * An instantiated method has the same cattrs as the generic method definition.
1387 * LAMESPEC: The .NET SRE throws an exception for instantiations of generic method builders
1388 * Note that this stanza is not necessary for non-SRE types, but it's a micro-optimization
1390 if (method->is_inflated)
1391 method = ((MonoMethodInflated *) method)->declaring;
1393 if (image_is_dynamic (method->klass->image)) {
1394 MonoCustomAttrInfo *res, *ainfo;
1397 aux = (MonoReflectionMethodAux *)g_hash_table_lookup (((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1398 if (!aux || !aux->param_cattr)
1401 /* Need to copy since it will be freed later */
1402 ainfo = aux->param_cattr [param];
1405 size = MONO_SIZEOF_CUSTOM_ATTR_INFO + sizeof (MonoCustomAttrEntry) * ainfo->num_attrs;
1406 res = (MonoCustomAttrInfo *)g_malloc0 (size);
1407 memcpy (res, ainfo, size);
1411 image = method->klass->image;
1412 method_index = mono_method_get_index (method);
1415 ca = &image->tables [MONO_TABLE_METHOD];
1417 param_list = mono_metadata_decode_row_col (ca, method_index - 1, MONO_METHOD_PARAMLIST);
1418 if (method_index == ca->rows) {
1419 ca = &image->tables [MONO_TABLE_PARAM];
1420 param_last = ca->rows + 1;
1422 param_last = mono_metadata_decode_row_col (ca, method_index, MONO_METHOD_PARAMLIST);
1423 ca = &image->tables [MONO_TABLE_PARAM];
1426 for (i = param_list; i < param_last; ++i) {
1427 param_pos = mono_metadata_decode_row_col (ca, i - 1, MONO_PARAM_SEQUENCE);
1428 if (param_pos == param) {
1436 idx <<= MONO_CUSTOM_ATTR_BITS;
1437 idx |= MONO_CUSTOM_ATTR_PARAMDEF;
1438 return mono_custom_attrs_from_index_checked (image, idx, FALSE, error);
1442 mono_custom_attrs_has_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass)
1445 for (i = 0; i < ainfo->num_attrs; ++i) {
1446 MonoCustomAttrEntry *centry = &ainfo->attrs[i];
1447 if (centry->ctor == NULL)
1449 MonoClass *klass = centry->ctor->klass;
1450 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)))
1457 mono_custom_attrs_get_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass)
1460 MonoObject *res = mono_custom_attrs_get_attr_checked (ainfo, attr_klass, &error);
1461 mono_error_assert_ok (&error); /*FIXME proper error handling*/
1466 mono_custom_attrs_get_attr_checked (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass, MonoError *error)
1469 MonoCustomAttrEntry *centry = NULL;
1471 g_assert (attr_klass != NULL);
1473 mono_error_init (error);
1475 for (i = 0; i < ainfo->num_attrs; ++i) {
1476 centry = &ainfo->attrs[i];
1477 if (centry->ctor == NULL)
1479 MonoClass *klass = centry->ctor->klass;
1480 if (attr_klass == klass || mono_class_is_assignable_from (attr_klass, klass))
1486 return create_custom_attr (ainfo->image, centry->ctor, centry->data, centry->data_size, error);
1490 * mono_reflection_get_custom_attrs_info:
1491 * @obj: a reflection object handle
1493 * Return the custom attribute info for attributes defined for the
1494 * reflection handle @obj. The objects.
1496 * FIXME this function leaks like a sieve for SRE objects.
1499 mono_reflection_get_custom_attrs_info (MonoObject *obj)
1502 MonoCustomAttrInfo *result = mono_reflection_get_custom_attrs_info_checked (obj, &error);
1503 mono_error_assert_ok (&error);
1508 * mono_reflection_get_custom_attrs_info_checked:
1509 * @obj: a reflection object handle
1510 * @error: set on error
1512 * Return the custom attribute info for attributes defined for the
1513 * reflection handle @obj. The objects.
1515 * On failure returns NULL and sets @error.
1517 * FIXME this function leaks like a sieve for SRE objects.
1520 mono_reflection_get_custom_attrs_info_checked (MonoObject *obj, MonoError *error)
1523 MonoCustomAttrInfo *cinfo = NULL;
1525 mono_error_init (error);
1527 klass = obj->vtable->klass;
1528 if (klass == mono_defaults.runtimetype_class) {
1529 MonoType *type = mono_reflection_type_get_handle ((MonoReflectionType *)obj, error);
1530 return_val_if_nok (error, NULL);
1531 klass = mono_class_from_mono_type (type);
1532 /*We cannot mono_class_init the class from which we'll load the custom attributes since this must work with broken types.*/
1533 cinfo = mono_custom_attrs_from_class_checked (klass, error);
1534 return_val_if_nok (error, NULL);
1535 } else if (strcmp ("Assembly", klass->name) == 0 || strcmp ("MonoAssembly", klass->name) == 0) {
1536 MonoReflectionAssembly *rassembly = (MonoReflectionAssembly*)obj;
1537 cinfo = mono_custom_attrs_from_assembly_checked (rassembly->assembly, FALSE, error);
1538 return_val_if_nok (error, NULL);
1539 } else if (strcmp ("Module", klass->name) == 0 || strcmp ("MonoModule", klass->name) == 0) {
1540 MonoReflectionModule *module = (MonoReflectionModule*)obj;
1541 cinfo = mono_custom_attrs_from_module (module->image, error);
1542 return_val_if_nok (error, NULL);
1543 } else if (strcmp ("MonoProperty", klass->name) == 0) {
1544 MonoReflectionProperty *rprop = (MonoReflectionProperty*)obj;
1545 cinfo = mono_custom_attrs_from_property_checked (rprop->property->parent, rprop->property, error);
1546 return_val_if_nok (error, NULL);
1547 } else if (strcmp ("MonoEvent", klass->name) == 0) {
1548 MonoReflectionMonoEvent *revent = (MonoReflectionMonoEvent*)obj;
1549 cinfo = mono_custom_attrs_from_event_checked (revent->event->parent, revent->event, error);
1550 return_val_if_nok (error, NULL);
1551 } else if (strcmp ("MonoField", klass->name) == 0) {
1552 MonoReflectionField *rfield = (MonoReflectionField*)obj;
1553 cinfo = mono_custom_attrs_from_field_checked (rfield->field->parent, rfield->field, error);
1554 return_val_if_nok (error, NULL);
1555 } else if ((strcmp ("MonoMethod", klass->name) == 0) || (strcmp ("MonoCMethod", klass->name) == 0)) {
1556 MonoReflectionMethod *rmethod = (MonoReflectionMethod*)obj;
1557 cinfo = mono_custom_attrs_from_method_checked (rmethod->method, error);
1558 return_val_if_nok (error, NULL);
1559 } else if (strcmp ("ParameterInfo", klass->name) == 0 || strcmp ("MonoParameterInfo", klass->name) == 0) {
1560 MonoReflectionParameter *param = (MonoReflectionParameter*)obj;
1561 MonoClass *member_class = mono_object_class (param->MemberImpl);
1562 if (mono_class_is_reflection_method_or_constructor (member_class)) {
1563 MonoReflectionMethod *rmethod = (MonoReflectionMethod*)param->MemberImpl;
1564 cinfo = mono_custom_attrs_from_param_checked (rmethod->method, param->PositionImpl + 1, error);
1565 return_val_if_nok (error, NULL);
1566 } else if (mono_is_sr_mono_property (member_class)) {
1567 MonoReflectionProperty *prop = (MonoReflectionProperty *)param->MemberImpl;
1569 if (!(method = prop->property->get))
1570 method = prop->property->set;
1573 cinfo = mono_custom_attrs_from_param_checked (method, param->PositionImpl + 1, error);
1574 return_val_if_nok (error, NULL);
1576 #ifndef DISABLE_REFLECTION_EMIT
1577 else if (mono_is_sre_method_on_tb_inst (member_class)) {/*XXX This is a workaround for Compiler Context*/
1578 // FIXME: Is this still needed ?
1579 g_assert_not_reached ();
1580 } else if (mono_is_sre_ctor_on_tb_inst (member_class)) { /*XX This is a workaround for Compiler Context*/
1581 // FIXME: Is this still needed ?
1582 g_assert_not_reached ();
1586 char *type_name = mono_type_get_full_name (member_class);
1587 mono_error_set_not_supported (error,
1588 "Custom attributes on a ParamInfo with member %s are not supported",
1593 } else if (strcmp ("AssemblyBuilder", klass->name) == 0) {
1594 MonoReflectionAssemblyBuilder *assemblyb = (MonoReflectionAssemblyBuilder*)obj;
1595 cinfo = mono_custom_attrs_from_builders (NULL, assemblyb->assembly.assembly->image, assemblyb->cattrs);
1596 } else if (strcmp ("TypeBuilder", klass->name) == 0) {
1597 MonoReflectionTypeBuilder *tb = (MonoReflectionTypeBuilder*)obj;
1598 cinfo = mono_custom_attrs_from_builders (NULL, &tb->module->dynamic_image->image, tb->cattrs);
1599 } else if (strcmp ("ModuleBuilder", klass->name) == 0) {
1600 MonoReflectionModuleBuilder *mb = (MonoReflectionModuleBuilder*)obj;
1601 cinfo = mono_custom_attrs_from_builders (NULL, &mb->dynamic_image->image, mb->cattrs);
1602 } else if (strcmp ("ConstructorBuilder", klass->name) == 0) {
1603 MonoReflectionCtorBuilder *cb = (MonoReflectionCtorBuilder*)obj;
1604 cinfo = mono_custom_attrs_from_builders (NULL, cb->mhandle->klass->image, cb->cattrs);
1605 } else if (strcmp ("MethodBuilder", klass->name) == 0) {
1606 MonoReflectionMethodBuilder *mb = (MonoReflectionMethodBuilder*)obj;
1607 cinfo = mono_custom_attrs_from_builders (NULL, mb->mhandle->klass->image, mb->cattrs);
1608 } else if (strcmp ("FieldBuilder", klass->name) == 0) {
1609 MonoReflectionFieldBuilder *fb = (MonoReflectionFieldBuilder*)obj;
1610 cinfo = mono_custom_attrs_from_builders (NULL, &((MonoReflectionTypeBuilder*)fb->typeb)->module->dynamic_image->image, fb->cattrs);
1611 } else if (strcmp ("MonoGenericClass", klass->name) == 0) {
1612 MonoReflectionGenericClass *gclass = (MonoReflectionGenericClass*)obj;
1613 cinfo = mono_reflection_get_custom_attrs_info_checked ((MonoObject*)gclass->generic_type, error);
1614 return_val_if_nok (error, NULL);
1615 } else { /* handle other types here... */
1616 g_error ("get custom attrs not yet supported for %s", klass->name);
1623 * mono_reflection_get_custom_attrs_by_type:
1624 * @obj: a reflection object handle
1626 * Return an array with all the custom attributes defined of the
1627 * reflection handle @obj. If @attr_klass is non-NULL, only custom attributes
1628 * of that type are returned. The objects are fully build. Return NULL if a loading error
1632 mono_reflection_get_custom_attrs_by_type (MonoObject *obj, MonoClass *attr_klass, MonoError *error)
1635 MonoCustomAttrInfo *cinfo;
1637 mono_error_init (error);
1639 cinfo = mono_reflection_get_custom_attrs_info_checked (obj, error);
1640 return_val_if_nok (error, NULL);
1642 result = mono_custom_attrs_construct_by_type (cinfo, attr_klass, error);
1644 mono_custom_attrs_free (cinfo);
1648 result = mono_array_new_cached (mono_domain_get (), mono_defaults.attribute_class, 0, error);
1655 * mono_reflection_get_custom_attrs:
1656 * @obj: a reflection object handle
1658 * Return an array with all the custom attributes defined of the
1659 * reflection handle @obj. The objects are fully build. Return NULL if a loading error
1663 mono_reflection_get_custom_attrs (MonoObject *obj)
1667 return mono_reflection_get_custom_attrs_by_type (obj, NULL, &error);
1671 * mono_reflection_get_custom_attrs_data:
1672 * @obj: a reflection obj handle
1674 * Returns an array of System.Reflection.CustomAttributeData,
1675 * which include information about attributes reflected on
1676 * types loaded using the Reflection Only methods
1679 mono_reflection_get_custom_attrs_data (MonoObject *obj)
1683 result = mono_reflection_get_custom_attrs_data_checked (obj, &error);
1684 mono_error_cleanup (&error);
1689 * mono_reflection_get_custom_attrs_data_checked:
1690 * @obj: a reflection obj handle
1691 * @error: set on error
1693 * Returns an array of System.Reflection.CustomAttributeData,
1694 * which include information about attributes reflected on
1695 * types loaded using the Reflection Only methods
1698 mono_reflection_get_custom_attrs_data_checked (MonoObject *obj, MonoError *error)
1701 MonoCustomAttrInfo *cinfo;
1703 mono_error_init (error);
1705 cinfo = mono_reflection_get_custom_attrs_info_checked (obj, error);
1706 return_val_if_nok (error, NULL);
1708 result = mono_custom_attrs_data_construct (cinfo, error);
1710 mono_custom_attrs_free (cinfo);
1711 return_val_if_nok (error, NULL);
1713 result = mono_array_new_checked (mono_domain_get (), mono_defaults.customattribute_data_class, 0, error);
1719 custom_attr_class_name_from_methoddef (MonoImage *image, guint32 method_token, const gchar **nspace, const gchar **class_name)
1721 /* mono_get_method_from_token () */
1722 g_assert (mono_metadata_token_table (method_token) == MONO_TABLE_METHOD);
1723 guint32 type_token = mono_metadata_typedef_from_method (image, method_token);
1725 /* Bad method token (could not find corresponding typedef) */
1728 type_token |= MONO_TOKEN_TYPE_DEF;
1730 /* mono_class_create_from_typedef () */
1731 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
1732 guint32 cols [MONO_TYPEDEF_SIZE];
1733 guint tidx = mono_metadata_token_index (type_token);
1735 if (mono_metadata_token_table (type_token) != MONO_TABLE_TYPEDEF || tidx > tt->rows) {
1736 /* "Invalid typedef token %x", type_token */
1740 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
1743 *class_name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
1745 *nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
1752 * custom_attr_class_name_from_method_token:
1753 * @image: The MonoImage
1754 * @method_token: a token for a custom attr constructor in @image
1755 * @assembly_token: out argment set to the assembly ref token of the custom attr
1756 * @nspace: out argument set to namespace (a string in the string heap of @image) of the custom attr
1757 * @class_name: out argument set to the class name of the custom attr.
1759 * Given an @image and a @method_token (which is assumed to be a
1760 * constructor), fills in the out arguments with the assembly ref (if
1761 * a methodref) and the namespace and class name of the custom
1764 * Returns: TRUE on success, FALSE otherwise.
1766 * LOCKING: does not take locks
1769 custom_attr_class_name_from_method_token (MonoImage *image, guint32 method_token, guint32 *assembly_token, const gchar **nspace, const gchar **class_name)
1771 /* This only works with method tokens constructed from a
1772 * custom attr token, which can only be methoddef or
1774 g_assert (mono_metadata_token_table (method_token) == MONO_TABLE_METHOD
1775 || mono_metadata_token_table (method_token) == MONO_TABLE_MEMBERREF);
1777 if (mono_metadata_token_table (method_token) == MONO_TABLE_MEMBERREF) {
1778 /* method_from_memberref () */
1780 guint32 nindex, class_index;
1782 int idx = mono_metadata_token_index (method_token);
1784 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
1785 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
1786 class_index = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
1787 if (class_index == MONO_MEMBERREF_PARENT_TYPEREF) {
1788 guint32 type_token = MONO_TOKEN_TYPE_REF | nindex;
1789 /* mono_class_from_typeref_checked () */
1791 guint32 cols [MONO_TYPEREF_SIZE];
1792 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
1794 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
1797 *class_name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
1799 *nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
1801 *assembly_token = cols [MONO_TYPEREF_SCOPE];
1804 } else if (class_index == MONO_MEMBERREF_PARENT_METHODDEF) {
1805 guint32 methoddef_token = MONO_TOKEN_METHOD_DEF | nindex;
1807 *assembly_token = 0;
1808 return custom_attr_class_name_from_methoddef (image, methoddef_token, nspace, class_name);
1810 /* Attributes can't be generic, so it won't be
1811 * a typespec, and they're always
1812 * constructors, so it won't be a moduleref */
1813 g_assert_not_reached ();
1816 /* must be MONO_TABLE_METHOD */
1818 *assembly_token = 0;
1819 return custom_attr_class_name_from_methoddef (image, method_token, nspace, class_name);
1824 * mono_assembly_metadata_foreach_custom_attr:
1825 * @assembly: the assembly to iterate over
1826 * @func: the function to call for each custom attribute
1827 * @user_data: passed to @func
1829 * Calls @func for each custom attribute type on the given assembly until @func returns TRUE.
1830 * Everything is done using low-level metadata APIs, so it is safe to use during assembly loading.
1834 mono_assembly_metadata_foreach_custom_attr (MonoAssembly *assembly, MonoAssemblyMetadataCustomAttrIterFunc func, gpointer user_data)
1838 guint32 cols [MONO_CUSTOM_ATTR_SIZE];
1843 * This might be called during assembly loading, so do everything using the low-level
1847 image = assembly->image;
1848 g_assert (!image_is_dynamic (image));
1849 idx = 1; /* there is only one assembly */
1850 idx <<= MONO_CUSTOM_ATTR_BITS;
1851 idx |= MONO_CUSTOM_ATTR_ASSEMBLY;
1853 /* Inlined from mono_custom_attrs_from_index_checked () */
1854 ca = &image->tables [MONO_TABLE_CUSTOMATTRIBUTE];
1855 i = mono_metadata_custom_attrs_from_index (image, idx);
1859 gboolean stop_iterating = FALSE;
1860 while (!stop_iterating && i < ca->rows) {
1861 if (mono_metadata_decode_row_col (ca, i, MONO_CUSTOM_ATTR_PARENT) != idx)
1863 mono_metadata_decode_row (ca, i, cols, MONO_CUSTOM_ATTR_SIZE);
1865 mtoken = cols [MONO_CUSTOM_ATTR_TYPE] >> MONO_CUSTOM_ATTR_TYPE_BITS;
1866 switch (cols [MONO_CUSTOM_ATTR_TYPE] & MONO_CUSTOM_ATTR_TYPE_MASK) {
1867 case MONO_CUSTOM_ATTR_TYPE_METHODDEF:
1868 mtoken |= MONO_TOKEN_METHOD_DEF;
1870 case MONO_CUSTOM_ATTR_TYPE_MEMBERREF:
1871 mtoken |= MONO_TOKEN_MEMBER_REF;
1874 g_warning ("Unknown table for custom attr type %08x", cols [MONO_CUSTOM_ATTR_TYPE]);
1878 const char *nspace = NULL;
1879 const char *name = NULL;
1880 guint32 assembly_token = 0;
1882 if (!custom_attr_class_name_from_method_token (image, mtoken, &assembly_token, &nspace, &name))
1885 stop_iterating = func (image, assembly_token, nspace, name, mtoken, user_data);