2 * reflection.c: System.Type icalls and related reflection queries.
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/utils/mono-membar.h"
16 #include "mono/metadata/reflection-internals.h"
17 #include "mono/metadata/tabledefs.h"
18 #include "mono/metadata/metadata-internals.h"
19 #include <mono/metadata/profiler-private.h>
20 #include "mono/metadata/class-internals.h"
21 #include "mono/metadata/gc-internals.h"
22 #include "mono/metadata/domain-internals.h"
23 #include "mono/metadata/opcodes.h"
24 #include "mono/metadata/assembly.h"
25 #include "mono/metadata/object-internals.h"
26 #include <mono/metadata/exception.h>
27 #include <mono/metadata/marshal.h>
28 #include <mono/metadata/security-manager.h>
29 #include <mono/metadata/reflection-cache.h>
30 #include <mono/metadata/sre-internals.h>
39 #include "mono-endian.h"
40 #include <mono/metadata/gc-internals.h>
41 #include <mono/metadata/mempool-internals.h>
42 #include <mono/metadata/security-core-clr.h>
43 #include <mono/metadata/debug-helpers.h>
44 #include <mono/metadata/verify-internals.h>
45 #include <mono/metadata/mono-ptr-array.h>
46 #include <mono/utils/mono-string.h>
47 #include <mono/utils/mono-error-internals.h>
48 #include <mono/utils/checked-build.h>
50 static void get_default_param_value_blobs (MonoMethod *method, char **blobs, guint32 *types);
51 static MonoType* mono_reflection_get_type_with_rootimage (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve, MonoError *error);
53 /* Class lazy loading functions */
54 static GENERATE_GET_CLASS_WITH_CACHE (mono_assembly, System.Reflection, MonoAssembly)
55 static GENERATE_GET_CLASS_WITH_CACHE (mono_module, System.Reflection, MonoModule)
56 static GENERATE_GET_CLASS_WITH_CACHE (mono_method, System.Reflection, MonoMethod);
57 static GENERATE_GET_CLASS_WITH_CACHE (mono_cmethod, System.Reflection, MonoCMethod);
58 static GENERATE_GET_CLASS_WITH_CACHE (mono_field, System.Reflection, MonoField);
59 static GENERATE_GET_CLASS_WITH_CACHE (mono_event, System.Reflection, MonoEvent);
60 static GENERATE_GET_CLASS_WITH_CACHE (mono_property, System.Reflection, MonoProperty);
61 static GENERATE_GET_CLASS_WITH_CACHE (mono_parameter_info, System.Reflection, MonoParameterInfo);
62 static GENERATE_GET_CLASS_WITH_CACHE (missing, System.Reflection, Missing);
63 static GENERATE_GET_CLASS_WITH_CACHE (method_body, System.Reflection, MethodBody);
64 static GENERATE_GET_CLASS_WITH_CACHE (local_variable_info, System.Reflection, LocalVariableInfo);
65 static GENERATE_GET_CLASS_WITH_CACHE (exception_handling_clause, System.Reflection, ExceptionHandlingClause);
66 static GENERATE_GET_CLASS_WITH_CACHE (type_builder, System.Reflection.Emit, TypeBuilder);
67 static GENERATE_GET_CLASS_WITH_CACHE (dbnull, System, DBNull);
70 mono_reflection_init (void)
72 mono_reflection_emit_init ();
76 * mono_class_get_ref_info:
78 * Return the type builder/generic param builder corresponding to KLASS, if it exists.
81 mono_class_get_ref_info (MonoClass *klass)
83 MONO_REQ_GC_UNSAFE_MODE;
85 if (klass->ref_info_handle == 0)
88 return mono_gchandle_get_target (klass->ref_info_handle);
92 mono_class_set_ref_info (MonoClass *klass, gpointer obj)
94 MONO_REQ_GC_UNSAFE_MODE;
96 klass->ref_info_handle = mono_gchandle_new ((MonoObject*)obj, FALSE);
97 g_assert (klass->ref_info_handle != 0);
101 mono_class_free_ref_info (MonoClass *klass)
103 MONO_REQ_GC_NEUTRAL_MODE;
105 if (klass->ref_info_handle) {
106 mono_gchandle_free (klass->ref_info_handle);
107 klass->ref_info_handle = 0;
113 mono_custom_attrs_free (MonoCustomAttrInfo *ainfo)
115 MONO_REQ_GC_NEUTRAL_MODE;
117 if (ainfo && !ainfo->cached)
123 reflected_equal (gconstpointer a, gconstpointer b)
125 const ReflectedEntry *ea = (const ReflectedEntry *)a;
126 const ReflectedEntry *eb = (const ReflectedEntry *)b;
128 return (ea->item == eb->item) && (ea->refclass == eb->refclass);
132 reflected_hash (gconstpointer a) {
133 const ReflectedEntry *ea = (const ReflectedEntry *)a;
134 return mono_aligned_addr_hash (ea->item);
139 clear_cached_object (MonoDomain *domain, gpointer o, MonoClass *klass)
141 mono_domain_lock (domain);
142 if (domain->refobject_hash) {
144 gpointer orig_pe, orig_value;
148 if (mono_g_hash_table_lookup_extended (domain->refobject_hash, &pe, &orig_pe, &orig_value)) {
149 mono_g_hash_table_remove (domain->refobject_hash, &pe);
150 FREE_REFENTRY (orig_pe);
153 mono_domain_unlock (domain);
156 #ifdef REFENTRY_REQUIRES_CLEANUP
158 cleanup_refobject_hash (gpointer key, gpointer value, gpointer user_data)
165 mono_reflection_cleanup_domain (MonoDomain *domain)
167 if (domain->refobject_hash) {
168 /*let's avoid scanning the whole hashtable if not needed*/
169 #ifdef REFENTRY_REQUIRES_CLEANUP
170 mono_g_hash_table_foreach (domain->refobject_hash, cleanup_refobject_hash, NULL);
172 mono_g_hash_table_destroy (domain->refobject_hash);
173 domain->refobject_hash = NULL;
179 * mono_assembly_get_object:
180 * @domain: an app domain
181 * @assembly: an assembly
183 * Return an System.Reflection.Assembly object representing the MonoAssembly @assembly.
185 MonoReflectionAssembly*
186 mono_assembly_get_object (MonoDomain *domain, MonoAssembly *assembly)
189 MonoReflectionAssembly *result;
190 result = mono_assembly_get_object_checked (domain, assembly, &error);
191 mono_error_cleanup (&error); /* FIXME new API that doesn't swallow the error */
195 * mono_assembly_get_object_checked:
196 * @domain: an app domain
197 * @assembly: an assembly
199 * Return an System.Reflection.Assembly object representing the MonoAssembly @assembly.
201 MonoReflectionAssembly*
202 mono_assembly_get_object_checked (MonoDomain *domain, MonoAssembly *assembly, MonoError *error)
204 MonoReflectionAssembly *res;
206 mono_error_init (error);
208 CHECK_OBJECT (MonoReflectionAssembly *, assembly, NULL);
209 res = (MonoReflectionAssembly *)mono_object_new_checked (domain, mono_class_get_mono_assembly_class (), error);
212 res->assembly = assembly;
214 CACHE_OBJECT (MonoReflectionAssembly *, assembly, res, NULL);
219 MonoReflectionModule*
220 mono_module_get_object (MonoDomain *domain, MonoImage *image)
223 MonoReflectionModule *result;
224 result = mono_module_get_object_checked (domain, image, &error);
225 mono_error_cleanup (&error);
229 MonoReflectionModule*
230 mono_module_get_object_checked (MonoDomain *domain, MonoImage *image, MonoError *error)
232 MonoReflectionModule *res;
235 mono_error_init (error);
236 CHECK_OBJECT (MonoReflectionModule *, image, NULL);
237 res = (MonoReflectionModule *)mono_object_new_checked (domain, mono_class_get_mono_module_class (), error);
242 MonoReflectionAssembly *assm_obj = mono_assembly_get_object_checked (domain, image->assembly, error);
245 MONO_OBJECT_SETREF (res, assembly, assm_obj);
247 MONO_OBJECT_SETREF (res, fqname, mono_string_new (domain, image->name));
248 basename = g_path_get_basename (image->name);
249 MONO_OBJECT_SETREF (res, name, mono_string_new (domain, basename));
250 MONO_OBJECT_SETREF (res, scopename, mono_string_new (domain, image->module_name));
254 if (image->assembly->image == image) {
255 res->token = mono_metadata_make_token (MONO_TABLE_MODULE, 1);
259 if (image->assembly->image->modules) {
260 for (i = 0; i < image->assembly->image->module_count; i++) {
261 if (image->assembly->image->modules [i] == image)
262 res->token = mono_metadata_make_token (MONO_TABLE_MODULEREF, i + 1);
264 g_assert (res->token);
268 CACHE_OBJECT (MonoReflectionModule *, image, res, NULL);
271 MonoReflectionModule*
272 mono_module_file_get_object (MonoDomain *domain, MonoImage *image, int table_index)
275 MonoReflectionModule *result;
276 result = mono_module_file_get_object_checked (domain, image, table_index, &error);
277 mono_error_cleanup (&error);
281 MonoReflectionModule*
282 mono_module_file_get_object_checked (MonoDomain *domain, MonoImage *image, int table_index, MonoError *error)
284 MonoReflectionModule *res;
285 MonoTableInfo *table;
286 guint32 cols [MONO_FILE_SIZE];
291 mono_error_init (error);
293 res = (MonoReflectionModule *)mono_object_new_checked (domain, mono_class_get_mono_module_class (), error);
297 table = &image->tables [MONO_TABLE_FILE];
298 g_assert (table_index < table->rows);
299 mono_metadata_decode_row (table, table_index, cols, MONO_FILE_SIZE);
302 MonoReflectionAssembly *assm_obj = mono_assembly_get_object_checked (domain, image->assembly, error);
305 MONO_OBJECT_SETREF (res, assembly, assm_obj);
306 name = mono_metadata_string_heap (image, cols [MONO_FILE_NAME]);
308 /* Check whenever the row has a corresponding row in the moduleref table */
309 table = &image->tables [MONO_TABLE_MODULEREF];
310 for (i = 0; i < table->rows; ++i) {
311 name_idx = mono_metadata_decode_row_col (table, i, MONO_MODULEREF_NAME);
312 val = mono_metadata_string_heap (image, name_idx);
313 if (strcmp (val, name) == 0)
314 res->image = image->modules [i];
317 MONO_OBJECT_SETREF (res, fqname, mono_string_new (domain, name));
318 MONO_OBJECT_SETREF (res, name, mono_string_new (domain, name));
319 MONO_OBJECT_SETREF (res, scopename, mono_string_new (domain, name));
320 res->is_resource = cols [MONO_FILE_FLAGS] & FILE_CONTAINS_NO_METADATA;
321 res->token = mono_metadata_make_token (MONO_TABLE_FILE, table_index + 1);
327 mono_type_normalize (MonoType *type)
330 MonoGenericClass *gclass;
331 MonoGenericInst *ginst;
333 MonoGenericContainer *gcontainer;
334 MonoType **argv = NULL;
335 gboolean is_denorm_gtd = TRUE, requires_rebind = FALSE;
337 if (type->type != MONO_TYPE_GENERICINST)
340 gclass = type->data.generic_class;
341 ginst = gclass->context.class_inst;
345 gtd = gclass->container_class;
346 gcontainer = gtd->generic_container;
347 argv = g_newa (MonoType*, ginst->type_argc);
349 for (i = 0; i < ginst->type_argc; ++i) {
350 MonoType *t = ginst->type_argv [i], *norm;
351 if (t->type != MONO_TYPE_VAR || t->data.generic_param->num != i || t->data.generic_param->owner != gcontainer)
352 is_denorm_gtd = FALSE;
353 norm = mono_type_normalize (t);
356 requires_rebind = TRUE;
360 return type->byref == gtd->byval_arg.byref ? >d->byval_arg : >d->this_arg;
362 if (requires_rebind) {
363 MonoClass *klass = mono_class_bind_generic_parameters (gtd, ginst->type_argc, argv, gclass->is_dynamic);
364 return type->byref == klass->byval_arg.byref ? &klass->byval_arg : &klass->this_arg;
370 * mono_type_get_object:
371 * @domain: an app domain
374 * Return an System.MonoType object representing the type @type.
377 mono_type_get_object (MonoDomain *domain, MonoType *type)
380 MonoReflectionType *ret = mono_type_get_object_checked (domain, type, &error);
381 mono_error_cleanup (&error);
387 mono_type_get_object_checked (MonoDomain *domain, MonoType *type, MonoError *error)
390 MonoReflectionType *res;
393 mono_error_init (error);
395 klass = mono_class_from_mono_type (type);
397 /*we must avoid using @type as it might have come
398 * from a mono_metadata_type_dup and the caller
399 * expects that is can be freed.
400 * Using the right type from
402 type = klass->byval_arg.byref == type->byref ? &klass->byval_arg : &klass->this_arg;
404 /* void is very common */
405 if (type->type == MONO_TYPE_VOID && domain->typeof_void)
406 return (MonoReflectionType*)domain->typeof_void;
409 * If the vtable of the given class was already created, we can use
410 * the MonoType from there and avoid all locking and hash table lookups.
412 * We cannot do this for TypeBuilders as mono_reflection_create_runtime_class expects
413 * that the resulting object is different.
415 if (type == &klass->byval_arg && !image_is_dynamic (klass->image)) {
416 MonoVTable *vtable = mono_class_try_get_vtable (domain, klass);
417 if (vtable && vtable->type)
418 return (MonoReflectionType *)vtable->type;
421 mono_loader_lock (); /*FIXME mono_class_init and mono_class_vtable acquire it*/
422 mono_domain_lock (domain);
423 if (!domain->type_hash)
424 domain->type_hash = mono_g_hash_table_new_type ((GHashFunc)mono_metadata_type_hash,
425 (GCompareFunc)mono_metadata_type_equal, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain reflection types table");
426 if ((res = (MonoReflectionType *)mono_g_hash_table_lookup (domain->type_hash, type))) {
427 mono_domain_unlock (domain);
428 mono_loader_unlock ();
432 /*Types must be normalized so a generic instance of the GTD get's the same inner type.
433 * For example in: Foo<A,B>; Bar<A> : Foo<A, Bar<A>>
434 * The second Bar will be encoded a generic instance of Bar with <A> as parameter.
435 * On all other places, Bar<A> will be encoded as the GTD itself. This is an implementation
436 * artifact of how generics are encoded and should be transparent to managed code so we
437 * need to weed out this diference when retrieving managed System.Type objects.
439 norm_type = mono_type_normalize (type);
440 if (norm_type != type) {
441 res = mono_type_get_object_checked (domain, norm_type, error);
442 if (!mono_error_ok (error))
444 mono_g_hash_table_insert (domain->type_hash, type, res);
445 mono_domain_unlock (domain);
446 mono_loader_unlock ();
450 /* This MonoGenericClass hack is no longer necessary. Let's leave it here until we finish with the 2-stage type-builder setup.*/
451 if ((type->type == MONO_TYPE_GENERICINST) && type->data.generic_class->is_dynamic && !type->data.generic_class->container_class->wastypebuilder)
454 if (mono_class_get_ref_info (klass) && !klass->wastypebuilder && !type->byref) {
455 mono_domain_unlock (domain);
456 mono_loader_unlock ();
457 return (MonoReflectionType *)mono_class_get_ref_info (klass);
459 /* This is stored in vtables/JITted code so it has to be pinned */
460 res = (MonoReflectionType *)mono_object_new_pinned (domain, mono_defaults.runtimetype_class, error);
461 if (!mono_error_ok (error))
465 mono_g_hash_table_insert (domain->type_hash, type, res);
467 if (type->type == MONO_TYPE_VOID)
468 domain->typeof_void = (MonoObject*)res;
470 mono_domain_unlock (domain);
471 mono_loader_unlock ();
476 * mono_method_get_object:
477 * @domain: an app domain
479 * @refclass: the reflected type (can be NULL)
481 * Return an System.Reflection.MonoMethod object representing the method @method.
483 MonoReflectionMethod*
484 mono_method_get_object (MonoDomain *domain, MonoMethod *method, MonoClass *refclass)
487 MonoReflectionMethod *ret = NULL;
488 ret = mono_method_get_object_checked (domain, method, refclass, &error);
489 mono_error_cleanup (&error);
494 * mono_method_get_object_checked:
495 * @domain: an app domain
497 * @refclass: the reflected type (can be NULL)
498 * @error: set on error.
500 * Return an System.Reflection.MonoMethod object representing the method @method.
501 * Returns NULL and sets @error on error.
503 MonoReflectionMethod*
504 mono_method_get_object_checked (MonoDomain *domain, MonoMethod *method, MonoClass *refclass, MonoError *error)
507 * We use the same C representation for methods and constructors, but the type
508 * name in C# is different.
510 MonoReflectionType *rt;
512 MonoReflectionMethod *ret;
514 mono_error_init (error);
517 refclass = method->klass;
519 CHECK_OBJECT (MonoReflectionMethod *, method, refclass);
520 if (*method->name == '.' && (strcmp (method->name, ".ctor") == 0 || strcmp (method->name, ".cctor") == 0)) {
521 klass = mono_class_get_mono_cmethod_class ();
524 klass = mono_class_get_mono_method_class ();
526 ret = (MonoReflectionMethod*)mono_object_new_checked (domain, klass, error);
527 if (!mono_error_ok (error))
529 ret->method = method;
531 rt = mono_type_get_object_checked (domain, &refclass->byval_arg, error);
532 if (!mono_error_ok (error))
535 MONO_OBJECT_SETREF (ret, reftype, rt);
537 CACHE_OBJECT (MonoReflectionMethod *, method, ret, refclass);
540 g_assert (!mono_error_ok (error));
545 * mono_method_clear_object:
547 * Clear the cached reflection objects for the dynamic method METHOD.
550 mono_method_clear_object (MonoDomain *domain, MonoMethod *method)
553 g_assert (method_is_dynamic (method));
555 klass = method->klass;
557 clear_cached_object (domain, method, klass);
558 klass = klass->parent;
560 /* Added by mono_param_get_objects () */
561 clear_cached_object (domain, &(method->signature), NULL);
562 klass = method->klass;
564 clear_cached_object (domain, &(method->signature), klass);
565 klass = klass->parent;
570 * mono_field_get_object:
571 * @domain: an app domain
575 * Return an System.Reflection.MonoField object representing the field @field
579 mono_field_get_object (MonoDomain *domain, MonoClass *klass, MonoClassField *field)
582 MonoReflectionField *result;
583 result = mono_field_get_object_checked (domain, klass, field, &error);
584 mono_error_cleanup (&error);
589 * mono_field_get_object_checked:
590 * @domain: an app domain
593 * @error: set on error
595 * Return an System.Reflection.MonoField object representing the field @field
596 * in class @klass. On error, returns NULL and sets @error.
599 mono_field_get_object_checked (MonoDomain *domain, MonoClass *klass, MonoClassField *field, MonoError *error)
601 MonoReflectionType *rt;
602 MonoReflectionField *res;
604 mono_error_init (error);
606 CHECK_OBJECT (MonoReflectionField *, field, klass);
607 res = (MonoReflectionField *)mono_object_new_checked (domain, mono_class_get_mono_field_class (), error);
612 MONO_OBJECT_SETREF (res, name, mono_string_new (domain, mono_field_get_name (field)));
615 rt = mono_type_get_object_checked (domain, field->type, error);
616 if (!mono_error_ok (error))
619 MONO_OBJECT_SETREF (res, type, rt);
621 res->attrs = mono_field_get_flags (field);
622 CACHE_OBJECT (MonoReflectionField *, field, res, klass);
626 * mono_property_get_object:
627 * @domain: an app domain
629 * @property: a property
631 * Return an System.Reflection.MonoProperty object representing the property @property
634 MonoReflectionProperty*
635 mono_property_get_object (MonoDomain *domain, MonoClass *klass, MonoProperty *property)
638 MonoReflectionProperty *result;
639 result = mono_property_get_object_checked (domain, klass, property, &error);
640 mono_error_cleanup (&error);
645 * mono_property_get_object:
646 * @domain: an app domain
648 * @property: a property
649 * @error: set on error
651 * Return an System.Reflection.MonoProperty object representing the property @property
652 * in class @klass. On error returns NULL and sets @error.
654 MonoReflectionProperty*
655 mono_property_get_object_checked (MonoDomain *domain, MonoClass *klass, MonoProperty *property, MonoError *error)
657 MonoReflectionProperty *res;
659 mono_error_init (error);
661 CHECK_OBJECT (MonoReflectionProperty *, property, klass);
662 res = (MonoReflectionProperty *)mono_object_new_checked (domain, mono_class_get_mono_property_class (), error);
666 res->property = property;
667 CACHE_OBJECT (MonoReflectionProperty *, property, res, klass);
671 * mono_event_get_object:
672 * @domain: an app domain
676 * Return an System.Reflection.MonoEvent object representing the event @event
680 mono_event_get_object (MonoDomain *domain, MonoClass *klass, MonoEvent *event)
683 MonoReflectionEvent *result;
684 result = mono_event_get_object_checked (domain, klass, event, &error);
685 mono_error_cleanup (&error);
690 * mono_event_get_object_checked:
691 * @domain: an app domain
694 * @error: set on error
696 * Return an System.Reflection.MonoEvent object representing the event @event
697 * in class @klass. On failure sets @error and returns NULL
700 mono_event_get_object_checked (MonoDomain *domain, MonoClass *klass, MonoEvent *event, MonoError *error)
702 MonoReflectionEvent *res;
703 MonoReflectionMonoEvent *mono_event;
705 mono_error_init (error);
706 CHECK_OBJECT (MonoReflectionEvent *, event, klass);
707 mono_event = (MonoReflectionMonoEvent *)mono_object_new_checked (domain, mono_class_get_mono_event_class (), error);
710 mono_event->klass = klass;
711 mono_event->event = event;
712 res = (MonoReflectionEvent*)mono_event;
713 CACHE_OBJECT (MonoReflectionEvent *, event, res, klass);
717 * mono_get_reflection_missing_object:
718 * @domain: Domain where the object lives
720 * Returns the System.Reflection.Missing.Value singleton object
721 * (of type System.Reflection.Missing).
723 * Used as the value for ParameterInfo.DefaultValue when Optional
727 mono_get_reflection_missing_object (MonoDomain *domain)
731 static MonoClassField *missing_value_field = NULL;
733 if (!missing_value_field) {
734 MonoClass *missing_klass;
735 missing_klass = mono_class_get_missing_class ();
736 mono_class_init (missing_klass);
737 missing_value_field = mono_class_get_field_from_name (missing_klass, "Value");
738 g_assert (missing_value_field);
740 obj = mono_field_get_value_object_checked (domain, missing_value_field, NULL, &error);
741 mono_error_assert_ok (&error);
746 get_dbnull (MonoDomain *domain, MonoObject **dbnull)
749 *dbnull = mono_get_dbnull_object (domain);
754 get_reflection_missing (MonoDomain *domain, MonoObject **reflection_missing)
756 if (!*reflection_missing)
757 *reflection_missing = mono_get_reflection_missing_object (domain);
758 return *reflection_missing;
762 * mono_param_get_objects:
763 * @domain: an app domain
766 * Return an System.Reflection.ParameterInfo array object representing the parameters
767 * in the method @method.
770 mono_param_get_objects_internal (MonoDomain *domain, MonoMethod *method, MonoClass *refclass, MonoError *error)
772 static MonoClass *System_Reflection_ParameterInfo;
773 static MonoClass *System_Reflection_ParameterInfo_array;
774 MonoArray *res = NULL;
775 MonoReflectionMethod *member = NULL;
776 MonoReflectionParameter *param = NULL;
777 char **names = NULL, **blobs = NULL;
778 guint32 *types = NULL;
779 MonoType *type = NULL;
780 MonoObject *dbnull = NULL;
781 MonoObject *missing = NULL;
782 MonoMarshalSpec **mspecs = NULL;
783 MonoMethodSignature *sig = NULL;
784 MonoVTable *pinfo_vtable;
785 MonoReflectionType *rt;
788 mono_error_init (error);
790 if (!System_Reflection_ParameterInfo_array) {
793 klass = mono_class_get_mono_parameter_info_class ();
795 mono_memory_barrier ();
796 System_Reflection_ParameterInfo = klass;
799 klass = mono_array_class_get (klass, 1);
800 mono_memory_barrier ();
801 System_Reflection_ParameterInfo_array = klass;
804 sig = mono_method_signature_checked (method, error);
805 if (!mono_error_ok (error))
808 if (!sig->param_count) {
809 res = mono_array_new_specific_checked (mono_class_vtable (domain, System_Reflection_ParameterInfo_array), 0, error);
816 /* Note: the cache is based on the address of the signature into the method
817 * since we already cache MethodInfos with the method as keys.
819 CHECK_OBJECT (MonoArray*, &(method->signature), refclass);
821 member = mono_method_get_object_checked (domain, method, refclass, error);
824 names = g_new (char *, sig->param_count);
825 mono_method_get_param_names (method, (const char **) names);
827 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
828 mono_method_get_marshal_info (method, mspecs);
830 res = mono_array_new_specific_checked (mono_class_vtable (domain, System_Reflection_ParameterInfo_array), sig->param_count, error);
834 pinfo_vtable = mono_class_vtable (domain, System_Reflection_ParameterInfo);
835 for (i = 0; i < sig->param_count; ++i) {
836 param = (MonoReflectionParameter *) mono_object_new_specific_checked (pinfo_vtable, error);
840 rt = mono_type_get_object_checked (domain, sig->params [i], error);
844 MONO_OBJECT_SETREF (param, ClassImpl, rt);
846 MONO_OBJECT_SETREF (param, MemberImpl, (MonoObject*)member);
848 MONO_OBJECT_SETREF (param, NameImpl, mono_string_new (domain, names [i]));
850 param->PositionImpl = i;
851 param->AttrsImpl = sig->params [i]->attrs;
853 if (!(param->AttrsImpl & PARAM_ATTRIBUTE_HAS_DEFAULT)) {
854 if (param->AttrsImpl & PARAM_ATTRIBUTE_OPTIONAL)
855 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_reflection_missing (domain, &missing));
857 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_dbnull (domain, &dbnull));
861 blobs = g_new0 (char *, sig->param_count);
862 types = g_new0 (guint32, sig->param_count);
863 get_default_param_value_blobs (method, blobs, types);
866 /* Build MonoType for the type from the Constant Table */
868 type = g_new0 (MonoType, 1);
869 type->type = (MonoTypeEnum)types [i];
870 type->data.klass = NULL;
871 if (types [i] == MONO_TYPE_CLASS)
872 type->data.klass = mono_defaults.object_class;
873 else if ((sig->params [i]->type == MONO_TYPE_VALUETYPE) && sig->params [i]->data.klass->enumtype) {
874 /* For enums, types [i] contains the base type */
876 type->type = MONO_TYPE_VALUETYPE;
877 type->data.klass = mono_class_from_mono_type (sig->params [i]);
879 type->data.klass = mono_class_from_mono_type (type);
881 MonoObject *default_val_obj = mono_get_object_from_blob (domain, type, blobs [i], error);
884 MONO_OBJECT_SETREF (param, DefaultValueImpl, default_val_obj);
886 /* Type in the Constant table is MONO_TYPE_CLASS for nulls */
887 if (types [i] != MONO_TYPE_CLASS && !param->DefaultValueImpl) {
888 if (param->AttrsImpl & PARAM_ATTRIBUTE_OPTIONAL)
889 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_reflection_missing (domain, &missing));
891 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_dbnull (domain, &dbnull));
896 if (mspecs [i + 1]) {
897 MonoReflectionMarshalAsAttribute* mobj;
898 mobj = mono_reflection_marshal_as_attribute_from_marshal_spec (domain, method->klass, mspecs [i + 1], error);
901 MONO_OBJECT_SETREF (param, MarshalAsImpl, (MonoObject*)mobj);
904 mono_array_setref (res, i, param);
914 for (i = sig->param_count; i >= 0; i--) {
916 mono_metadata_free_marshal_spec (mspecs [i]);
924 CACHE_OBJECT (MonoArray *, &(method->signature), res, refclass);
928 mono_param_get_objects (MonoDomain *domain, MonoMethod *method)
931 MonoArray *result = mono_param_get_objects_internal (domain, method, NULL, &error);
932 mono_error_assert_ok (&error);
937 * mono_method_body_get_object:
938 * @domain: an app domain
941 * Return an System.Reflection.MethodBody object representing the method @method.
943 MonoReflectionMethodBody*
944 mono_method_body_get_object (MonoDomain *domain, MonoMethod *method)
947 MonoReflectionMethodBody *result = mono_method_body_get_object_checked (domain, method, &error);
948 mono_error_cleanup (&error);
953 * mono_method_body_get_object_checked:
954 * @domain: an app domain
956 * @error: set on error
958 * Return an System.Reflection.MethodBody object representing the
959 * method @method. On failure, returns NULL and sets @error.
961 MonoReflectionMethodBody*
962 mono_method_body_get_object_checked (MonoDomain *domain, MonoMethod *method, MonoError *error)
964 MonoReflectionMethodBody *ret;
965 MonoMethodHeader *header;
967 MonoReflectionType *rt;
968 guint32 method_rva, local_var_sig_token;
970 unsigned char format, flags;
973 mono_error_init (error);
975 /* for compatibility with .net */
976 if (method_is_dynamic (method)) {
977 mono_error_set_generic_error (error, "System", "InvalidOperationException", "");
981 CHECK_OBJECT (MonoReflectionMethodBody *, method, NULL);
983 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
984 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
985 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
986 (method->klass->image->raw_data && method->klass->image->raw_data [1] != 'Z') ||
987 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME))
990 image = method->klass->image;
991 header = mono_method_get_header_checked (method, error);
992 return_val_if_nok (error, NULL);
994 if (!image_is_dynamic (image)) {
995 /* Obtain local vars signature token */
996 method_rva = mono_metadata_decode_row_col (&image->tables [MONO_TABLE_METHOD], mono_metadata_token_index (method->token) - 1, MONO_METHOD_RVA);
997 ptr = mono_image_rva_map (image, method_rva);
998 flags = *(const unsigned char *) ptr;
999 format = flags & METHOD_HEADER_FORMAT_MASK;
1001 case METHOD_HEADER_TINY_FORMAT:
1002 local_var_sig_token = 0;
1004 case METHOD_HEADER_FAT_FORMAT:
1008 local_var_sig_token = read32 (ptr);
1011 g_assert_not_reached ();
1014 local_var_sig_token = 0; //FIXME
1016 ret = (MonoReflectionMethodBody*)mono_object_new_checked (domain, mono_class_get_method_body_class (), error);
1020 ret->init_locals = header->init_locals;
1021 ret->max_stack = header->max_stack;
1022 ret->local_var_sig_token = local_var_sig_token;
1023 MonoArray *il_arr = mono_array_new_cached (domain, mono_defaults.byte_class, header->code_size, error);
1026 MONO_OBJECT_SETREF (ret, il, il_arr);
1027 memcpy (mono_array_addr (ret->il, guint8, 0), header->code, header->code_size);
1030 MonoArray *locals_arr = mono_array_new_cached (domain, mono_class_get_local_variable_info_class (), header->num_locals, error);
1033 MONO_OBJECT_SETREF (ret, locals, locals_arr);
1034 for (i = 0; i < header->num_locals; ++i) {
1035 MonoReflectionLocalVariableInfo *info = (MonoReflectionLocalVariableInfo*)mono_object_new_checked (domain, mono_class_get_local_variable_info_class (), error);
1039 rt = mono_type_get_object_checked (domain, header->locals [i], error);
1043 MONO_OBJECT_SETREF (info, local_type, rt);
1045 info->is_pinned = header->locals [i]->pinned;
1046 info->local_index = i;
1047 mono_array_setref (ret->locals, i, info);
1051 MonoArray *exn_clauses = mono_array_new_cached (domain, mono_class_get_exception_handling_clause_class (), header->num_clauses, error);
1054 MONO_OBJECT_SETREF (ret, clauses, exn_clauses);
1055 for (i = 0; i < header->num_clauses; ++i) {
1056 MonoReflectionExceptionHandlingClause *info = (MonoReflectionExceptionHandlingClause*)mono_object_new_checked (domain, mono_class_get_exception_handling_clause_class (), error);
1059 MonoExceptionClause *clause = &header->clauses [i];
1061 info->flags = clause->flags;
1062 info->try_offset = clause->try_offset;
1063 info->try_length = clause->try_len;
1064 info->handler_offset = clause->handler_offset;
1065 info->handler_length = clause->handler_len;
1066 if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
1067 info->filter_offset = clause->data.filter_offset;
1068 else if (clause->data.catch_class) {
1069 rt = mono_type_get_object_checked (mono_domain_get (), &clause->data.catch_class->byval_arg, error);
1073 MONO_OBJECT_SETREF (info, catch_type, rt);
1076 mono_array_setref (ret->clauses, i, info);
1079 mono_metadata_free_mh (header);
1080 CACHE_OBJECT (MonoReflectionMethodBody *, method, ret, NULL);
1084 mono_metadata_free_mh (header);
1089 * mono_get_dbnull_object:
1090 * @domain: Domain where the object lives
1092 * Returns the System.DBNull.Value singleton object
1094 * Used as the value for ParameterInfo.DefaultValue
1097 mono_get_dbnull_object (MonoDomain *domain)
1101 static MonoClassField *dbnull_value_field = NULL;
1103 if (!dbnull_value_field) {
1104 MonoClass *dbnull_klass;
1105 dbnull_klass = mono_class_get_dbnull_class ();
1106 dbnull_value_field = mono_class_get_field_from_name (dbnull_klass, "Value");
1107 g_assert (dbnull_value_field);
1109 obj = mono_field_get_value_object_checked (domain, dbnull_value_field, NULL, &error);
1110 mono_error_assert_ok (&error);
1115 get_default_param_value_blobs (MonoMethod *method, char **blobs, guint32 *types)
1117 guint32 param_index, i, lastp, crow = 0;
1118 guint32 param_cols [MONO_PARAM_SIZE], const_cols [MONO_CONSTANT_SIZE];
1121 MonoClass *klass = method->klass;
1122 MonoImage *image = klass->image;
1123 MonoMethodSignature *methodsig = mono_method_signature (method);
1125 MonoTableInfo *constt;
1126 MonoTableInfo *methodt;
1127 MonoTableInfo *paramt;
1129 if (!methodsig->param_count)
1132 mono_class_init (klass);
1134 if (image_is_dynamic (klass->image)) {
1135 MonoReflectionMethodAux *aux;
1136 if (method->is_inflated)
1137 method = ((MonoMethodInflated*)method)->declaring;
1138 aux = (MonoReflectionMethodAux *)g_hash_table_lookup (((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1139 if (aux && aux->param_defaults) {
1140 memcpy (blobs, &(aux->param_defaults [1]), methodsig->param_count * sizeof (char*));
1141 memcpy (types, &(aux->param_default_types [1]), methodsig->param_count * sizeof (guint32));
1146 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1147 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1148 constt = &image->tables [MONO_TABLE_CONSTANT];
1150 idx = mono_method_get_index (method) - 1;
1151 g_assert (idx != -1);
1153 param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1154 if (idx + 1 < methodt->rows)
1155 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1157 lastp = paramt->rows + 1;
1159 for (i = param_index; i < lastp; ++i) {
1162 mono_metadata_decode_row (paramt, i - 1, param_cols, MONO_PARAM_SIZE);
1163 paramseq = param_cols [MONO_PARAM_SEQUENCE];
1165 if (!(param_cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_DEFAULT))
1168 crow = mono_metadata_get_constant_index (image, MONO_TOKEN_PARAM_DEF | i, crow + 1);
1173 mono_metadata_decode_row (constt, crow - 1, const_cols, MONO_CONSTANT_SIZE);
1174 blobs [paramseq - 1] = (char *)mono_metadata_blob_heap (image, const_cols [MONO_CONSTANT_VALUE]);
1175 types [paramseq - 1] = const_cols [MONO_CONSTANT_TYPE];
1182 mono_get_object_from_blob (MonoDomain *domain, MonoType *type, const char *blob, MonoError *error)
1187 MonoType *basetype = type;
1189 mono_error_init (error);
1194 klass = mono_class_from_mono_type (type);
1195 if (klass->valuetype) {
1196 object = mono_object_new_checked (domain, klass, error);
1197 return_val_if_nok (error, NULL);
1198 retval = ((gchar *) object + sizeof (MonoObject));
1199 if (klass->enumtype)
1200 basetype = mono_class_enum_basetype (klass);
1205 if (!mono_get_constant_value_from_blob (domain, basetype->type, blob, retval, error))
1212 assembly_name_to_aname (MonoAssemblyName *assembly, char *p) {
1215 gboolean quoted = FALSE;
1217 memset (assembly, 0, sizeof (MonoAssemblyName));
1218 assembly->culture = "";
1219 memset (assembly->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1226 while (*p && (isalnum (*p) || *p == '.' || *p == '-' || *p == '_' || *p == '$' || *p == '@' || g_ascii_isspace (*p)))
1237 /* Remove trailing whitespace */
1239 while (*s && g_ascii_isspace (*s))
1242 while (g_ascii_isspace (*p))
1245 if (*p == 'V' && g_ascii_strncasecmp (p, "Version=", 8) == 0) {
1247 assembly->major = strtoul (p, &s, 10);
1248 if (s == p || *s != '.')
1251 assembly->minor = strtoul (p, &s, 10);
1252 if (s == p || *s != '.')
1255 assembly->build = strtoul (p, &s, 10);
1256 if (s == p || *s != '.')
1259 assembly->revision = strtoul (p, &s, 10);
1263 } else if (*p == 'C' && g_ascii_strncasecmp (p, "Culture=", 8) == 0) {
1265 if (g_ascii_strncasecmp (p, "neutral", 7) == 0) {
1266 assembly->culture = "";
1269 assembly->culture = p;
1270 while (*p && *p != ',') {
1274 } else if (*p == 'P' && g_ascii_strncasecmp (p, "PublicKeyToken=", 15) == 0) {
1276 if (strncmp (p, "null", 4) == 0) {
1281 while (*p && *p != ',') {
1284 len = (p - start + 1);
1285 if (len > MONO_PUBLIC_KEY_TOKEN_LENGTH)
1286 len = MONO_PUBLIC_KEY_TOKEN_LENGTH;
1287 g_strlcpy ((char*)assembly->public_key_token, start, len);
1290 while (*p && *p != ',')
1294 while (g_ascii_isspace (*p) || *p == ',') {
1308 * mono_reflection_parse_type:
1311 * Parse a type name as accepted by the GetType () method and output the info
1312 * extracted in the info structure.
1313 * the name param will be mangled, so, make a copy before passing it to this function.
1314 * The fields in info will be valid until the memory pointed to by name is valid.
1316 * See also mono_type_get_name () below.
1318 * Returns: 0 on parse error.
1321 _mono_reflection_parse_type (char *name, char **endptr, gboolean is_recursed,
1322 MonoTypeNameParse *info)
1324 char *start, *p, *w, *last_point, *startn;
1325 int in_modifiers = 0;
1326 int isbyref = 0, rank = 0, isptr = 0;
1328 start = p = w = name;
1330 //FIXME could we just zero the whole struct? memset (&info, 0, sizeof (MonoTypeNameParse))
1331 memset (&info->assembly, 0, sizeof (MonoAssemblyName));
1332 info->name = info->name_space = NULL;
1333 info->nested = NULL;
1334 info->modifiers = NULL;
1335 info->type_arguments = NULL;
1337 /* last_point separates the namespace from the name */
1340 while (*p == ' ') p++, start++, w++, name++;
1345 *p = 0; /* NULL terminate the name */
1347 info->nested = g_list_append (info->nested, startn);
1348 /* we have parsed the nesting namespace + name */
1352 info->name_space = start;
1354 info->name = last_point + 1;
1356 info->name_space = (char *)"";
1384 info->name_space = start;
1386 info->name = last_point + 1;
1388 info->name_space = (char *)"";
1395 if (isbyref) /* only one level allowed by the spec */
1399 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (0));
1403 if (isbyref) /* pointer to ref not okay */
1405 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (-1));
1410 if (isbyref) /* array of ref and generic ref are not okay */
1412 //Decide if it's an array of a generic argument list
1417 if (*p == ',' || *p == '*' || *p == ']') { //array
1425 else if (*p == '*') /* '*' means unknown lower bound */
1426 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (-2));
1433 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (rank));
1435 if (rank || isptr) /* generic args after array spec or ptr*/ //XXX test
1438 info->type_arguments = g_ptr_array_new ();
1440 MonoTypeNameParse *subinfo = g_new0 (MonoTypeNameParse, 1);
1441 gboolean fqname = FALSE;
1443 g_ptr_array_add (info->type_arguments, subinfo);
1445 while (*p == ' ') p++;
1451 if (!_mono_reflection_parse_type (p, &p, TRUE, subinfo))
1454 /*MS is lenient on [] delimited parameters that aren't fqn - and F# uses them.*/
1455 if (fqname && (*p != ']')) {
1463 while (*p && (*p != ']'))
1471 if (g_ascii_isspace (*aname)) {
1478 !assembly_name_to_aname (&subinfo->assembly, aname))
1480 } else if (fqname && (*p == ']')) {
1502 if (g_ascii_isspace (*p)) {
1509 return 0; /* missing assembly name */
1510 if (!assembly_name_to_aname (&info->assembly, p))
1516 if (info->assembly.name)
1519 // *w = 0; /* terminate class name */
1521 if (!info->name || !*info->name)
1525 /* add other consistency checks */
1531 * mono_identifier_unescape_type_name_chars:
1532 * @identifier: the display name of a mono type
1535 * The name in internal form, that is without escaping backslashes.
1537 * The string is modified in place!
1540 mono_identifier_unescape_type_name_chars(char* identifier)
1545 for (w = r = identifier; *r != 0; r++)
1563 mono_identifier_unescape_info (MonoTypeNameParse* info);
1566 unescape_each_type_argument(void* data, void* user_data)
1568 MonoTypeNameParse* info = (MonoTypeNameParse*)data;
1569 mono_identifier_unescape_info (info);
1573 unescape_each_nested_name (void* data, void* user_data)
1575 char* nested_name = (char*) data;
1576 mono_identifier_unescape_type_name_chars(nested_name);
1580 * mono_identifier_unescape_info:
1582 * @info: a parsed display form of an (optionally assembly qualified) full type name.
1586 * Destructively updates the info by unescaping the identifiers that
1587 * comprise the type namespace, name, nested types (if any) and
1588 * generic type arguments (if any).
1590 * The resulting info has the names in internal form.
1594 mono_identifier_unescape_info (MonoTypeNameParse *info)
1598 mono_identifier_unescape_type_name_chars(info->name_space);
1599 mono_identifier_unescape_type_name_chars(info->name);
1600 // but don't escape info->assembly
1601 if (info->type_arguments)
1602 g_ptr_array_foreach(info->type_arguments, &unescape_each_type_argument, NULL);
1604 g_list_foreach(info->nested, &unescape_each_nested_name, NULL);
1608 mono_reflection_parse_type (char *name, MonoTypeNameParse *info)
1610 int ok = _mono_reflection_parse_type (name, NULL, FALSE, info);
1612 mono_identifier_unescape_info (info);
1618 _mono_reflection_get_type_from_info (MonoTypeNameParse *info, MonoImage *image, gboolean ignorecase, MonoError *error)
1620 gboolean type_resolve = FALSE;
1622 MonoImage *rootimage = image;
1624 mono_error_init (error);
1626 if (info->assembly.name) {
1627 MonoAssembly *assembly = mono_assembly_loaded (&info->assembly);
1628 if (!assembly && image && image->assembly && mono_assembly_names_equal (&info->assembly, &image->assembly->aname))
1630 * This could happen in the AOT compiler case when the search hook is not
1633 assembly = image->assembly;
1635 /* then we must load the assembly ourselve - see #60439 */
1636 assembly = mono_assembly_load (&info->assembly, image->assembly->basedir, NULL);
1640 image = assembly->image;
1641 } else if (!image) {
1642 image = mono_defaults.corlib;
1645 type = mono_reflection_get_type_with_rootimage (rootimage, image, info, ignorecase, &type_resolve, error);
1646 if (type == NULL && !info->assembly.name && image != mono_defaults.corlib) {
1647 /* ignore the error and try again */
1648 mono_error_cleanup (error);
1649 mono_error_init (error);
1650 image = mono_defaults.corlib;
1651 type = mono_reflection_get_type_with_rootimage (rootimage, image, info, ignorecase, &type_resolve, error);
1658 * mono_reflection_get_type_internal:
1660 * Returns: may return NULL on success, sets error on failure.
1663 mono_reflection_get_type_internal (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, MonoError *error)
1668 gboolean bounded = FALSE;
1670 mono_error_init (error);
1672 image = mono_defaults.corlib;
1675 rootimage = mono_defaults.corlib;
1678 klass = mono_class_from_name_case_checked (image, info->name_space, info->name, error);
1680 klass = mono_class_from_name_checked (image, info->name_space, info->name, error);
1685 for (mod = info->nested; mod; mod = mod->next) {
1686 gpointer iter = NULL;
1690 mono_class_init (parent);
1692 while ((klass = mono_class_get_nested_types (parent, &iter))) {
1694 char *nested_name, *nested_nspace;
1695 gboolean match = TRUE;
1697 lastp = strrchr ((const char *)mod->data, '.');
1699 /* Nested classes can have namespaces */
1702 nested_name = g_strdup (lastp + 1);
1703 nspace_len = lastp - (char*)mod->data;
1704 nested_nspace = (char *)g_malloc (nspace_len + 1);
1705 memcpy (nested_nspace, mod->data, nspace_len);
1706 nested_nspace [nspace_len] = '\0';
1709 nested_name = (char *)mod->data;
1710 nested_nspace = NULL;
1713 if (nested_nspace) {
1715 if (!(klass->name_space && mono_utf8_strcasecmp (klass->name_space, nested_nspace) == 0))
1718 if (!(klass->name_space && strcmp (klass->name_space, nested_nspace) == 0))
1724 if (mono_utf8_strcasecmp (klass->name, nested_name) != 0)
1727 if (strcmp (klass->name, nested_name) != 0)
1732 g_free (nested_name);
1733 g_free (nested_nspace);
1745 if (info->type_arguments) {
1746 MonoType **type_args = g_new0 (MonoType *, info->type_arguments->len);
1747 MonoReflectionType *the_type;
1751 for (i = 0; i < info->type_arguments->len; i++) {
1752 MonoTypeNameParse *subinfo = (MonoTypeNameParse *)g_ptr_array_index (info->type_arguments, i);
1754 type_args [i] = _mono_reflection_get_type_from_info (subinfo, rootimage, ignorecase, error);
1755 if (!type_args [i]) {
1761 the_type = mono_type_get_object_checked (mono_domain_get (), &klass->byval_arg, error);
1765 instance = mono_reflection_bind_generic_parameters (
1766 the_type, info->type_arguments->len, type_args, error);
1772 klass = mono_class_from_mono_type (instance);
1775 for (mod = info->modifiers; mod; mod = mod->next) {
1776 modval = GPOINTER_TO_UINT (mod->data);
1777 if (!modval) { /* byref: must be last modifier */
1778 return &klass->this_arg;
1779 } else if (modval == -1) {
1780 klass = mono_ptr_class_get (&klass->byval_arg);
1781 } else if (modval == -2) {
1783 } else { /* array rank */
1784 klass = mono_bounded_array_class_get (klass, modval, bounded);
1788 return &klass->byval_arg;
1792 * mono_reflection_get_type:
1793 * @image: a metadata context
1794 * @info: type description structure
1795 * @ignorecase: flag for case-insensitive string compares
1796 * @type_resolve: whenever type resolve was already tried
1798 * Build a MonoType from the type description in @info.
1803 mono_reflection_get_type (MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve) {
1805 MonoType *result = mono_reflection_get_type_with_rootimage (image, image, info, ignorecase, type_resolve, &error);
1806 mono_error_cleanup (&error);
1811 * mono_reflection_get_type_checked:
1812 * @rootimage: the image of the currently active managed caller
1813 * @image: a metadata context
1814 * @info: type description structure
1815 * @ignorecase: flag for case-insensitive string compares
1816 * @type_resolve: whenever type resolve was already tried
1817 * @error: set on error.
1819 * Build a MonoType from the type description in @info. On failure returns NULL and sets @error.
1823 mono_reflection_get_type_checked (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve, MonoError *error) {
1824 mono_error_init (error);
1825 return mono_reflection_get_type_with_rootimage (rootimage, image, info, ignorecase, type_resolve, error);
1830 mono_reflection_get_type_internal_dynamic (MonoImage *rootimage, MonoAssembly *assembly, MonoTypeNameParse *info, gboolean ignorecase, MonoError *error)
1832 MonoReflectionAssemblyBuilder *abuilder;
1836 mono_error_init (error);
1837 g_assert (assembly_is_dynamic (assembly));
1838 abuilder = (MonoReflectionAssemblyBuilder*)mono_assembly_get_object_checked (((MonoDynamicAssembly*)assembly)->domain, assembly, error);
1842 /* Enumerate all modules */
1845 if (abuilder->modules) {
1846 for (i = 0; i < mono_array_length (abuilder->modules); ++i) {
1847 MonoReflectionModuleBuilder *mb = mono_array_get (abuilder->modules, MonoReflectionModuleBuilder*, i);
1848 type = mono_reflection_get_type_internal (rootimage, &mb->dynamic_image->image, info, ignorecase, error);
1851 if (!mono_error_ok (error))
1856 if (!type && abuilder->loaded_modules) {
1857 for (i = 0; i < mono_array_length (abuilder->loaded_modules); ++i) {
1858 MonoReflectionModule *mod = mono_array_get (abuilder->loaded_modules, MonoReflectionModule*, i);
1859 type = mono_reflection_get_type_internal (rootimage, mod->image, info, ignorecase, error);
1862 if (!mono_error_ok (error))
1871 mono_reflection_get_type_with_rootimage (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve, MonoError *error)
1874 MonoReflectionAssembly *assembly;
1878 mono_error_init (error);
1880 if (image && image_is_dynamic (image))
1881 type = mono_reflection_get_type_internal_dynamic (rootimage, image->assembly, info, ignorecase, error);
1883 type = mono_reflection_get_type_internal (rootimage, image, info, ignorecase, error);
1885 return_val_if_nok (error, NULL);
1889 if (!mono_domain_has_type_resolve (mono_domain_get ()))
1896 *type_resolve = TRUE;
1899 /* Reconstruct the type name */
1900 fullName = g_string_new ("");
1901 if (info->name_space && (info->name_space [0] != '\0'))
1902 g_string_printf (fullName, "%s.%s", info->name_space, info->name);
1904 g_string_printf (fullName, "%s", info->name);
1905 for (mod = info->nested; mod; mod = mod->next)
1906 g_string_append_printf (fullName, "+%s", (char*)mod->data);
1908 assembly = mono_domain_try_type_resolve_checked ( mono_domain_get (), fullName->str, NULL, error);
1909 if (!is_ok (error)) {
1910 g_string_free (fullName, TRUE);
1915 if (assembly_is_dynamic (assembly->assembly))
1916 type = mono_reflection_get_type_internal_dynamic (rootimage, assembly->assembly,
1917 info, ignorecase, error);
1919 type = mono_reflection_get_type_internal (rootimage, assembly->assembly->image,
1920 info, ignorecase, error);
1922 g_string_free (fullName, TRUE);
1923 return_val_if_nok (error, NULL);
1928 mono_reflection_free_type_info (MonoTypeNameParse *info)
1930 g_list_free (info->modifiers);
1931 g_list_free (info->nested);
1933 if (info->type_arguments) {
1936 for (i = 0; i < info->type_arguments->len; i++) {
1937 MonoTypeNameParse *subinfo = (MonoTypeNameParse *)g_ptr_array_index (info->type_arguments, i);
1939 mono_reflection_free_type_info (subinfo);
1940 /*We free the subinfo since it is allocated by _mono_reflection_parse_type*/
1944 g_ptr_array_free (info->type_arguments, TRUE);
1949 * mono_reflection_type_from_name:
1951 * @image: a metadata context (can be NULL).
1953 * Retrieves a MonoType from its @name. If the name is not fully qualified,
1954 * it defaults to get the type from @image or, if @image is NULL or loading
1955 * from it fails, uses corlib.
1959 mono_reflection_type_from_name (char *name, MonoImage *image)
1962 MonoType *result = mono_reflection_type_from_name_checked (name, image, &error);
1963 mono_error_cleanup (&error);
1968 * mono_reflection_type_from_name_checked:
1970 * @image: a metadata context (can be NULL).
1971 * @error: set on errror.
1973 * Retrieves a MonoType from its @name. If the name is not fully qualified,
1974 * it defaults to get the type from @image or, if @image is NULL or loading
1975 * from it fails, uses corlib. On failure returns NULL and sets @error.
1979 mono_reflection_type_from_name_checked (char *name, MonoImage *image, MonoError *error)
1981 MonoType *type = NULL;
1982 MonoTypeNameParse info;
1985 mono_error_init (error);
1986 /* Make a copy since parse_type modifies its argument */
1987 tmp = g_strdup (name);
1989 /*g_print ("requested type %s\n", str);*/
1990 if (mono_reflection_parse_type (tmp, &info)) {
1991 type = _mono_reflection_get_type_from_info (&info, image, FALSE, error);
1992 if (!is_ok (error)) {
1994 mono_reflection_free_type_info (&info);
2000 mono_reflection_free_type_info (&info);
2005 * mono_reflection_get_token:
2007 * Return the metadata token of OBJ which should be an object
2008 * representing a metadata element.
2011 mono_reflection_get_token (MonoObject *obj)
2014 guint32 result = mono_reflection_get_token_checked (obj, &error);
2015 mono_error_assert_ok (&error);
2020 * mono_reflection_get_token_checked:
2022 * @error: set on error
2024 * Return the metadata token of @obj which should be an object
2025 * representing a metadata element. On failure sets @error.
2028 mono_reflection_get_token_checked (MonoObject *obj, MonoError *error)
2033 mono_error_init (error);
2035 klass = obj->vtable->klass;
2037 if (strcmp (klass->name, "MethodBuilder") == 0) {
2038 MonoReflectionMethodBuilder *mb = (MonoReflectionMethodBuilder *)obj;
2040 token = mb->table_idx | MONO_TOKEN_METHOD_DEF;
2041 } else if (strcmp (klass->name, "ConstructorBuilder") == 0) {
2042 MonoReflectionCtorBuilder *mb = (MonoReflectionCtorBuilder *)obj;
2044 token = mb->table_idx | MONO_TOKEN_METHOD_DEF;
2045 } else if (strcmp (klass->name, "FieldBuilder") == 0) {
2046 MonoReflectionFieldBuilder *fb = (MonoReflectionFieldBuilder *)obj;
2048 token = fb->table_idx | MONO_TOKEN_FIELD_DEF;
2049 } else if (strcmp (klass->name, "TypeBuilder") == 0) {
2050 MonoReflectionTypeBuilder *tb = (MonoReflectionTypeBuilder *)obj;
2051 token = tb->table_idx | MONO_TOKEN_TYPE_DEF;
2052 } else if (strcmp (klass->name, "RuntimeType") == 0) {
2053 MonoType *type = mono_reflection_type_get_handle ((MonoReflectionType*)obj, error);
2054 return_val_if_nok (error, 0);
2055 MonoClass *mc = mono_class_from_mono_type (type);
2056 if (!mono_class_init (mc)) {
2057 mono_error_set_for_class_failure (error, mc);
2061 token = mc->type_token;
2062 } else if (strcmp (klass->name, "MonoCMethod") == 0 ||
2063 strcmp (klass->name, "MonoMethod") == 0) {
2064 MonoReflectionMethod *m = (MonoReflectionMethod *)obj;
2065 if (m->method->is_inflated) {
2066 MonoMethodInflated *inflated = (MonoMethodInflated *) m->method;
2067 return inflated->declaring->token;
2069 token = m->method->token;
2071 } else if (strcmp (klass->name, "MonoField") == 0) {
2072 MonoReflectionField *f = (MonoReflectionField*)obj;
2074 token = mono_class_get_field_token (f->field);
2075 } else if (strcmp (klass->name, "MonoProperty") == 0) {
2076 MonoReflectionProperty *p = (MonoReflectionProperty*)obj;
2078 token = mono_class_get_property_token (p->property);
2079 } else if (strcmp (klass->name, "MonoEvent") == 0) {
2080 MonoReflectionMonoEvent *p = (MonoReflectionMonoEvent*)obj;
2082 token = mono_class_get_event_token (p->event);
2083 } else if (strcmp (klass->name, "ParameterInfo") == 0 || strcmp (klass->name, "MonoParameterInfo") == 0) {
2084 MonoReflectionParameter *p = (MonoReflectionParameter*)obj;
2085 MonoClass *member_class = mono_object_class (p->MemberImpl);
2086 g_assert (mono_class_is_reflection_method_or_constructor (member_class));
2088 token = mono_method_get_param_token (((MonoReflectionMethod*)p->MemberImpl)->method, p->PositionImpl);
2089 } else if (strcmp (klass->name, "Module") == 0 || strcmp (klass->name, "MonoModule") == 0) {
2090 MonoReflectionModule *m = (MonoReflectionModule*)obj;
2093 } else if (strcmp (klass->name, "Assembly") == 0 || strcmp (klass->name, "MonoAssembly") == 0) {
2094 token = mono_metadata_make_token (MONO_TABLE_ASSEMBLY, 1);
2096 mono_error_set_not_implemented (error, "MetadataToken is not supported for type '%s.%s'",
2097 klass->name_space, klass->name);
2106 mono_reflection_is_usertype (MonoReflectionType *ref)
2108 MonoClass *klass = mono_object_class (ref);
2109 return klass->image != mono_defaults.corlib || strcmp ("TypeDelegator", klass->name) == 0;
2113 * mono_reflection_bind_generic_parameters:
2114 * @type: a managed type object (which should be some kind of generic (instance? definition?))
2115 * @type_args: the number of type arguments to bind
2116 * @types: array of type arguments
2117 * @error: set on error
2119 * Given a managed type object for a generic type instance, binds each of its arguments to the specified types.
2120 * Returns the MonoType* for the resulting type instantiation. On failure returns NULL and sets @error.
2123 mono_reflection_bind_generic_parameters (MonoReflectionType *type, int type_argc, MonoType **types, MonoError *error)
2126 gboolean is_dynamic = FALSE;
2129 mono_error_init (error);
2131 mono_loader_lock ();
2133 if (mono_is_sre_type_builder (mono_object_class (type))) {
2135 } else if (mono_is_sre_generic_instance (mono_object_class (type))) {
2136 MonoReflectionGenericClass *rgi = (MonoReflectionGenericClass *) type;
2137 MonoReflectionType *gtd = rgi->generic_type;
2139 if (mono_is_sre_type_builder (mono_object_class (gtd)))
2143 MonoType *t = mono_reflection_type_get_handle (type, error);
2144 if (!is_ok (error)) {
2145 mono_loader_unlock ();
2149 klass = mono_class_from_mono_type (t);
2150 if (!klass->generic_container) {
2151 mono_loader_unlock ();
2152 mono_error_set_type_load_class (error, klass, "Cannot bind generic parameters of a non-generic type");
2156 if (klass->wastypebuilder)
2159 mono_loader_unlock ();
2161 geninst = mono_class_bind_generic_parameters (klass, type_argc, types, is_dynamic);
2163 return &geninst->byval_arg;
2167 mono_class_bind_generic_parameters (MonoClass *klass, int type_argc, MonoType **types, gboolean is_dynamic)
2169 MonoGenericClass *gclass;
2170 MonoGenericInst *inst;
2172 g_assert (klass->generic_container);
2174 inst = mono_metadata_get_generic_inst (type_argc, types);
2175 gclass = mono_metadata_lookup_generic_class (klass, inst, is_dynamic);
2177 return mono_generic_class_get_class (gclass);
2180 static MonoReflectionMethod*
2181 reflection_bind_generic_method_parameters (MonoReflectionMethod *rmethod, MonoArray *types, MonoError *error)
2184 MonoMethod *method, *inflated;
2185 MonoMethodInflated *imethod;
2186 MonoGenericContext tmp_context;
2187 MonoGenericInst *ginst;
2188 MonoType **type_argv;
2191 mono_error_init (error);
2193 g_assert (strcmp (rmethod->object.vtable->klass->name, "MethodBuilder"));
2195 method = rmethod->method;
2197 klass = method->klass;
2199 if (method->is_inflated)
2200 method = ((MonoMethodInflated *) method)->declaring;
2202 count = mono_method_signature (method)->generic_param_count;
2203 if (count != mono_array_length (types))
2206 type_argv = g_new0 (MonoType *, count);
2207 for (i = 0; i < count; i++) {
2208 MonoReflectionType *garg = (MonoReflectionType *)mono_array_get (types, gpointer, i);
2209 type_argv [i] = mono_reflection_type_get_handle (garg, error);
2210 if (!is_ok (error)) {
2215 ginst = mono_metadata_get_generic_inst (count, type_argv);
2218 tmp_context.class_inst = mono_class_is_ginst (klass) ? mono_class_get_generic_class (klass)->context.class_inst : NULL;
2219 tmp_context.method_inst = ginst;
2221 inflated = mono_class_inflate_generic_method_checked (method, &tmp_context, error);
2222 mono_error_assert_ok (error);
2223 imethod = (MonoMethodInflated *) inflated;
2225 /*FIXME but I think this is no longer necessary*/
2226 if (image_is_dynamic (method->klass->image)) {
2227 MonoDynamicImage *image = (MonoDynamicImage*)method->klass->image;
2229 * This table maps metadata structures representing inflated methods/fields
2230 * to the reflection objects representing their generic definitions.
2232 mono_image_lock ((MonoImage*)image);
2233 mono_g_hash_table_insert (image->generic_def_objects, imethod, rmethod);
2234 mono_image_unlock ((MonoImage*)image);
2237 if (!mono_verifier_is_method_valid_generic_instantiation (inflated)) {
2238 mono_error_set_argument (error, "typeArguments", "Invalid generic arguments");
2242 return mono_method_get_object_checked (mono_object_domain (rmethod), inflated, NULL, error);
2245 MonoReflectionMethod*
2246 ves_icall_MonoMethod_MakeGenericMethod_impl (MonoReflectionMethod *rmethod, MonoArray *types)
2249 MonoReflectionMethod *result = reflection_bind_generic_method_parameters (rmethod, types, &error);
2250 mono_error_set_pending_exception (&error);
2255 /* SECURITY_ACTION_* are defined in mono/metadata/tabledefs.h */
2256 const static guint32 declsec_flags_map[] = {
2257 0x00000000, /* empty */
2258 MONO_DECLSEC_FLAG_REQUEST, /* SECURITY_ACTION_REQUEST (x01) */
2259 MONO_DECLSEC_FLAG_DEMAND, /* SECURITY_ACTION_DEMAND (x02) */
2260 MONO_DECLSEC_FLAG_ASSERT, /* SECURITY_ACTION_ASSERT (x03) */
2261 MONO_DECLSEC_FLAG_DENY, /* SECURITY_ACTION_DENY (x04) */
2262 MONO_DECLSEC_FLAG_PERMITONLY, /* SECURITY_ACTION_PERMITONLY (x05) */
2263 MONO_DECLSEC_FLAG_LINKDEMAND, /* SECURITY_ACTION_LINKDEMAND (x06) */
2264 MONO_DECLSEC_FLAG_INHERITANCEDEMAND, /* SECURITY_ACTION_INHERITANCEDEMAND (x07) */
2265 MONO_DECLSEC_FLAG_REQUEST_MINIMUM, /* SECURITY_ACTION_REQUEST_MINIMUM (x08) */
2266 MONO_DECLSEC_FLAG_REQUEST_OPTIONAL, /* SECURITY_ACTION_REQUEST_OPTIONAL (x09) */
2267 MONO_DECLSEC_FLAG_REQUEST_REFUSE, /* SECURITY_ACTION_REQUEST_REFUSE (x0A) */
2268 MONO_DECLSEC_FLAG_PREJIT_GRANT, /* SECURITY_ACTION_PREJIT_GRANT (x0B) */
2269 MONO_DECLSEC_FLAG_PREJIT_DENY, /* SECURITY_ACTION_PREJIT_DENY (x0C) */
2270 MONO_DECLSEC_FLAG_NONCAS_DEMAND, /* SECURITY_ACTION_NONCAS_DEMAND (x0D) */
2271 MONO_DECLSEC_FLAG_NONCAS_LINKDEMAND, /* SECURITY_ACTION_NONCAS_LINKDEMAND (x0E) */
2272 MONO_DECLSEC_FLAG_NONCAS_INHERITANCEDEMAND, /* SECURITY_ACTION_NONCAS_INHERITANCEDEMAND (x0F) */
2273 MONO_DECLSEC_FLAG_LINKDEMAND_CHOICE, /* SECURITY_ACTION_LINKDEMAND_CHOICE (x10) */
2274 MONO_DECLSEC_FLAG_INHERITANCEDEMAND_CHOICE, /* SECURITY_ACTION_INHERITANCEDEMAND_CHOICE (x11) */
2275 MONO_DECLSEC_FLAG_DEMAND_CHOICE, /* SECURITY_ACTION_DEMAND_CHOICE (x12) */
2279 * Returns flags that includes all available security action associated to the handle.
2280 * @token: metadata token (either for a class or a method)
2281 * @image: image where resides the metadata.
2284 mono_declsec_get_flags (MonoImage *image, guint32 token)
2286 int index = mono_metadata_declsec_from_index (image, token);
2287 MonoTableInfo *t = &image->tables [MONO_TABLE_DECLSECURITY];
2292 /* HasSecurity can be present for other, not specially encoded, attributes,
2293 e.g. SuppressUnmanagedCodeSecurityAttribute */
2297 for (i = index; i < t->rows; i++) {
2298 guint32 cols [MONO_DECL_SECURITY_SIZE];
2300 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2301 if (cols [MONO_DECL_SECURITY_PARENT] != token)
2304 action = cols [MONO_DECL_SECURITY_ACTION];
2305 if ((action >= MONO_DECLSEC_ACTION_MIN) && (action <= MONO_DECLSEC_ACTION_MAX)) {
2306 result |= declsec_flags_map [action];
2308 g_assert_not_reached ();
2315 * Get the security actions (in the form of flags) associated with the specified method.
2317 * @method: The method for which we want the declarative security flags.
2318 * Return the declarative security flags for the method (only).
2320 * Note: To keep MonoMethod size down we do not cache the declarative security flags
2321 * (except for the stack modifiers which are kept in the MonoJitInfo structure)
2324 mono_declsec_flags_from_method (MonoMethod *method)
2326 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2327 /* FIXME: No cache (for the moment) */
2328 guint32 idx = mono_method_get_index (method);
2329 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2330 idx |= MONO_HAS_DECL_SECURITY_METHODDEF;
2331 return mono_declsec_get_flags (method->klass->image, idx);
2337 * Get the security actions (in the form of flags) associated with the specified class.
2339 * @klass: The class for which we want the declarative security flags.
2340 * Return the declarative security flags for the class.
2342 * Note: We cache the flags inside the MonoClass structure as this will get
2343 * called very often (at least for each method).
2346 mono_declsec_flags_from_class (MonoClass *klass)
2348 if (klass->flags & TYPE_ATTRIBUTE_HAS_SECURITY) {
2349 if (!klass->ext || !klass->ext->declsec_flags) {
2352 idx = mono_metadata_token_index (klass->type_token);
2353 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2354 idx |= MONO_HAS_DECL_SECURITY_TYPEDEF;
2355 mono_loader_lock ();
2356 mono_class_alloc_ext (klass);
2357 mono_loader_unlock ();
2358 /* we cache the flags on classes */
2359 klass->ext->declsec_flags = mono_declsec_get_flags (klass->image, idx);
2361 return klass->ext->declsec_flags;
2367 * Get the security actions (in the form of flags) associated with the specified assembly.
2369 * @assembly: The assembly for which we want the declarative security flags.
2370 * Return the declarative security flags for the assembly.
2373 mono_declsec_flags_from_assembly (MonoAssembly *assembly)
2375 guint32 idx = 1; /* there is only one assembly */
2376 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2377 idx |= MONO_HAS_DECL_SECURITY_ASSEMBLY;
2378 return mono_declsec_get_flags (assembly->image, idx);
2383 * Fill actions for the specific index (which may either be an encoded class token or
2384 * an encoded method token) from the metadata image.
2385 * Returns TRUE if some actions requiring code generation are present, FALSE otherwise.
2388 fill_actions_from_index (MonoImage *image, guint32 token, MonoDeclSecurityActions* actions,
2389 guint32 id_std, guint32 id_noncas, guint32 id_choice)
2391 MonoBoolean result = FALSE;
2393 guint32 cols [MONO_DECL_SECURITY_SIZE];
2394 int index = mono_metadata_declsec_from_index (image, token);
2397 t = &image->tables [MONO_TABLE_DECLSECURITY];
2398 for (i = index; i < t->rows; i++) {
2399 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2401 if (cols [MONO_DECL_SECURITY_PARENT] != token)
2404 /* if present only replace (class) permissions with method permissions */
2405 /* if empty accept either class or method permissions */
2406 if (cols [MONO_DECL_SECURITY_ACTION] == id_std) {
2407 if (!actions->demand.blob) {
2408 const char *blob = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2409 actions->demand.index = cols [MONO_DECL_SECURITY_PERMISSIONSET];
2410 actions->demand.blob = (char*) (blob + 2);
2411 actions->demand.size = mono_metadata_decode_blob_size (blob, &blob);
2414 } else if (cols [MONO_DECL_SECURITY_ACTION] == id_noncas) {
2415 if (!actions->noncasdemand.blob) {
2416 const char *blob = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2417 actions->noncasdemand.index = cols [MONO_DECL_SECURITY_PERMISSIONSET];
2418 actions->noncasdemand.blob = (char*) (blob + 2);
2419 actions->noncasdemand.size = mono_metadata_decode_blob_size (blob, &blob);
2422 } else if (cols [MONO_DECL_SECURITY_ACTION] == id_choice) {
2423 if (!actions->demandchoice.blob) {
2424 const char *blob = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2425 actions->demandchoice.index = cols [MONO_DECL_SECURITY_PERMISSIONSET];
2426 actions->demandchoice.blob = (char*) (blob + 2);
2427 actions->demandchoice.size = mono_metadata_decode_blob_size (blob, &blob);
2437 mono_declsec_get_class_demands_params (MonoClass *klass, MonoDeclSecurityActions* demands,
2438 guint32 id_std, guint32 id_noncas, guint32 id_choice)
2440 guint32 idx = mono_metadata_token_index (klass->type_token);
2441 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2442 idx |= MONO_HAS_DECL_SECURITY_TYPEDEF;
2443 return fill_actions_from_index (klass->image, idx, demands, id_std, id_noncas, id_choice);
2447 mono_declsec_get_method_demands_params (MonoMethod *method, MonoDeclSecurityActions* demands,
2448 guint32 id_std, guint32 id_noncas, guint32 id_choice)
2450 guint32 idx = mono_method_get_index (method);
2451 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2452 idx |= MONO_HAS_DECL_SECURITY_METHODDEF;
2453 return fill_actions_from_index (method->klass->image, idx, demands, id_std, id_noncas, id_choice);
2457 * Collect all actions (that requires to generate code in mini) assigned for
2458 * the specified method.
2459 * Note: Don't use the content of actions if the function return FALSE.
2462 mono_declsec_get_demands (MonoMethod *method, MonoDeclSecurityActions* demands)
2464 guint32 mask = MONO_DECLSEC_FLAG_DEMAND | MONO_DECLSEC_FLAG_NONCAS_DEMAND |
2465 MONO_DECLSEC_FLAG_DEMAND_CHOICE;
2466 MonoBoolean result = FALSE;
2469 /* quick exit if no declarative security is present in the metadata */
2470 if (!method->klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2473 /* we want the original as the wrapper is "free" of the security informations */
2474 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE || method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
2475 method = mono_marshal_method_from_wrapper (method);
2480 /* First we look for method-level attributes */
2481 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2482 mono_class_init (method->klass);
2483 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2485 result = mono_declsec_get_method_demands_params (method, demands,
2486 SECURITY_ACTION_DEMAND, SECURITY_ACTION_NONCASDEMAND, SECURITY_ACTION_DEMANDCHOICE);
2489 /* Here we use (or create) the class declarative cache to look for demands */
2490 flags = mono_declsec_flags_from_class (method->klass);
2493 mono_class_init (method->klass);
2494 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2496 result |= mono_declsec_get_class_demands_params (method->klass, demands,
2497 SECURITY_ACTION_DEMAND, SECURITY_ACTION_NONCASDEMAND, SECURITY_ACTION_DEMANDCHOICE);
2500 /* The boolean return value is used as a shortcut in case nothing needs to
2501 be generated (e.g. LinkDemand[Choice] and InheritanceDemand[Choice]) */
2507 * Collect all Link actions: LinkDemand, NonCasLinkDemand and LinkDemandChoice (2.0).
2509 * Note: Don't use the content of actions if the function return FALSE.
2512 mono_declsec_get_linkdemands (MonoMethod *method, MonoDeclSecurityActions* klass, MonoDeclSecurityActions *cmethod)
2514 MonoBoolean result = FALSE;
2517 /* quick exit if no declarative security is present in the metadata */
2518 if (!method->klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2521 /* we want the original as the wrapper is "free" of the security informations */
2522 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE || method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
2523 method = mono_marshal_method_from_wrapper (method);
2528 /* results are independant - zeroize both */
2529 memset (cmethod, 0, sizeof (MonoDeclSecurityActions));
2530 memset (klass, 0, sizeof (MonoDeclSecurityActions));
2532 /* First we look for method-level attributes */
2533 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2534 mono_class_init (method->klass);
2536 result = mono_declsec_get_method_demands_params (method, cmethod,
2537 SECURITY_ACTION_LINKDEMAND, SECURITY_ACTION_NONCASLINKDEMAND, SECURITY_ACTION_LINKDEMANDCHOICE);
2540 /* Here we use (or create) the class declarative cache to look for demands */
2541 flags = mono_declsec_flags_from_class (method->klass);
2542 if (flags & (MONO_DECLSEC_FLAG_LINKDEMAND | MONO_DECLSEC_FLAG_NONCAS_LINKDEMAND | MONO_DECLSEC_FLAG_LINKDEMAND_CHOICE)) {
2543 mono_class_init (method->klass);
2545 result |= mono_declsec_get_class_demands_params (method->klass, klass,
2546 SECURITY_ACTION_LINKDEMAND, SECURITY_ACTION_NONCASLINKDEMAND, SECURITY_ACTION_LINKDEMANDCHOICE);
2553 * Collect all Inherit actions: InheritanceDemand, NonCasInheritanceDemand and InheritanceDemandChoice (2.0).
2555 * @klass The inherited class - this is the class that provides the security check (attributes)
2557 * return TRUE if inheritance demands (any kind) are present, FALSE otherwise.
2559 * Note: Don't use the content of actions if the function return FALSE.
2562 mono_declsec_get_inheritdemands_class (MonoClass *klass, MonoDeclSecurityActions* demands)
2564 MonoBoolean result = FALSE;
2567 /* quick exit if no declarative security is present in the metadata */
2568 if (!klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2571 /* Here we use (or create) the class declarative cache to look for demands */
2572 flags = mono_declsec_flags_from_class (klass);
2573 if (flags & (MONO_DECLSEC_FLAG_INHERITANCEDEMAND | MONO_DECLSEC_FLAG_NONCAS_INHERITANCEDEMAND | MONO_DECLSEC_FLAG_INHERITANCEDEMAND_CHOICE)) {
2574 mono_class_init (klass);
2575 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2577 result |= mono_declsec_get_class_demands_params (klass, demands,
2578 SECURITY_ACTION_INHERITDEMAND, SECURITY_ACTION_NONCASINHERITANCE, SECURITY_ACTION_INHERITDEMANDCHOICE);
2585 * Collect all Inherit actions: InheritanceDemand, NonCasInheritanceDemand and InheritanceDemandChoice (2.0).
2587 * Note: Don't use the content of actions if the function return FALSE.
2590 mono_declsec_get_inheritdemands_method (MonoMethod *method, MonoDeclSecurityActions* demands)
2592 /* quick exit if no declarative security is present in the metadata */
2593 if (!method->klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2596 /* we want the original as the wrapper is "free" of the security informations */
2597 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE || method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
2598 method = mono_marshal_method_from_wrapper (method);
2603 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2604 mono_class_init (method->klass);
2605 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2607 return mono_declsec_get_method_demands_params (method, demands,
2608 SECURITY_ACTION_INHERITDEMAND, SECURITY_ACTION_NONCASINHERITANCE, SECURITY_ACTION_INHERITDEMANDCHOICE);
2615 get_declsec_action (MonoImage *image, guint32 token, guint32 action, MonoDeclSecurityEntry *entry)
2617 guint32 cols [MONO_DECL_SECURITY_SIZE];
2621 int index = mono_metadata_declsec_from_index (image, token);
2625 t = &image->tables [MONO_TABLE_DECLSECURITY];
2626 for (i = index; i < t->rows; i++) {
2627 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2629 /* shortcut - index are ordered */
2630 if (token != cols [MONO_DECL_SECURITY_PARENT])
2633 if (cols [MONO_DECL_SECURITY_ACTION] == action) {
2634 const char *metadata = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2635 entry->blob = (char*) (metadata + 2);
2636 entry->size = mono_metadata_decode_blob_size (metadata, &metadata);
2645 mono_declsec_get_method_action (MonoMethod *method, guint32 action, MonoDeclSecurityEntry *entry)
2647 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2648 guint32 idx = mono_method_get_index (method);
2649 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2650 idx |= MONO_HAS_DECL_SECURITY_METHODDEF;
2651 return get_declsec_action (method->klass->image, idx, action, entry);
2657 mono_declsec_get_class_action (MonoClass *klass, guint32 action, MonoDeclSecurityEntry *entry)
2660 guint32 flags = mono_declsec_flags_from_class (klass);
2661 if (declsec_flags_map [action] & flags) {
2662 guint32 idx = mono_metadata_token_index (klass->type_token);
2663 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2664 idx |= MONO_HAS_DECL_SECURITY_TYPEDEF;
2665 return get_declsec_action (klass->image, idx, action, entry);
2671 mono_declsec_get_assembly_action (MonoAssembly *assembly, guint32 action, MonoDeclSecurityEntry *entry)
2673 guint32 idx = 1; /* there is only one assembly */
2674 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2675 idx |= MONO_HAS_DECL_SECURITY_ASSEMBLY;
2677 return get_declsec_action (assembly->image, idx, action, entry);
2681 mono_reflection_call_is_assignable_to (MonoClass *klass, MonoClass *oklass, MonoError *error)
2683 MonoObject *res, *exc;
2685 static MonoMethod *method = NULL;
2687 mono_error_init (error);
2689 if (method == NULL) {
2690 method = mono_class_get_method_from_name (mono_class_get_type_builder_class (), "IsAssignableTo", 1);
2695 * The result of mono_type_get_object_checked () might be a System.MonoType but we
2696 * need a TypeBuilder so use mono_class_get_ref_info (klass).
2698 g_assert (mono_class_get_ref_info (klass));
2699 g_assert (!strcmp (((MonoObject*)(mono_class_get_ref_info (klass)))->vtable->klass->name, "TypeBuilder"));
2701 params [0] = mono_type_get_object_checked (mono_domain_get (), &oklass->byval_arg, error);
2702 return_val_if_nok (error, FALSE);
2704 MonoError inner_error;
2705 res = mono_runtime_try_invoke (method, (MonoObject*)(mono_class_get_ref_info (klass)), params, &exc, &inner_error);
2707 if (exc || !is_ok (&inner_error)) {
2708 mono_error_cleanup (&inner_error);
2711 return *(MonoBoolean*)mono_object_unbox (res);
2715 * mono_reflection_type_get_type:
2716 * @reftype: the System.Type object
2718 * Returns the MonoType* associated with the C# System.Type object @reftype.
2721 mono_reflection_type_get_type (MonoReflectionType *reftype)
2726 MonoType *result = mono_reflection_type_get_handle (reftype, &error);
2727 mono_error_assert_ok (&error);
2732 * mono_reflection_assembly_get_assembly:
2733 * @refassembly: the System.Reflection.Assembly object
2735 * Returns the MonoAssembly* associated with the C# System.Reflection.Assembly object @refassembly.
2738 mono_reflection_assembly_get_assembly (MonoReflectionAssembly *refassembly)
2740 g_assert (refassembly);
2742 return refassembly->assembly;
2746 * mono_class_from_mono_type_handle:
2747 * @reftype: the System.Type handle
2749 * Returns the MonoClass* corresponding to the given type.
2752 mono_class_from_mono_type_handle (MonoReflectionTypeHandle reftype)
2754 return mono_class_from_mono_type (MONO_HANDLE_RAW (reftype)->type);