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>
49 #include <mono/utils/mono-counters.h>
51 static void get_default_param_value_blobs (MonoMethod *method, char **blobs, guint32 *types);
52 static MonoType* mono_reflection_get_type_with_rootimage (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve, MonoError *error);
54 /* Class lazy loading functions */
55 static GENERATE_GET_CLASS_WITH_CACHE (mono_assembly, System.Reflection, MonoAssembly)
56 static GENERATE_GET_CLASS_WITH_CACHE (mono_module, System.Reflection, MonoModule)
57 static GENERATE_GET_CLASS_WITH_CACHE (mono_method, System.Reflection, MonoMethod);
58 static GENERATE_GET_CLASS_WITH_CACHE (mono_cmethod, System.Reflection, MonoCMethod);
59 static GENERATE_GET_CLASS_WITH_CACHE (mono_field, System.Reflection, MonoField);
60 static GENERATE_GET_CLASS_WITH_CACHE (mono_event, System.Reflection, MonoEvent);
61 static GENERATE_GET_CLASS_WITH_CACHE (mono_property, System.Reflection, MonoProperty);
62 static GENERATE_GET_CLASS_WITH_CACHE (mono_parameter_info, System.Reflection, MonoParameterInfo);
63 static GENERATE_GET_CLASS_WITH_CACHE (missing, System.Reflection, Missing);
64 static GENERATE_GET_CLASS_WITH_CACHE (method_body, System.Reflection, MethodBody);
65 static GENERATE_GET_CLASS_WITH_CACHE (local_variable_info, System.Reflection, LocalVariableInfo);
66 static GENERATE_GET_CLASS_WITH_CACHE (exception_handling_clause, System.Reflection, ExceptionHandlingClause);
67 static GENERATE_GET_CLASS_WITH_CACHE (type_builder, System.Reflection.Emit, TypeBuilder);
68 static GENERATE_GET_CLASS_WITH_CACHE (dbnull, System, DBNull);
71 static int class_ref_info_handle_count;
74 mono_reflection_init (void)
76 mono_reflection_emit_init ();
78 mono_counters_register ("MonoClass::ref_info_handle count",
79 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_ref_info_handle_count);
84 * mono_class_get_ref_info:
86 * Return the type builder/generic param builder corresponding to KLASS, if it exists.
89 mono_class_get_ref_info (MonoClass *klass)
91 MONO_REQ_GC_UNSAFE_MODE;
92 guint32 ref_info_handle = mono_class_get_ref_info_handle (klass);
94 if (ref_info_handle == 0)
97 return mono_gchandle_get_target (ref_info_handle);
101 mono_class_set_ref_info (MonoClass *klass, gpointer obj)
103 MONO_REQ_GC_UNSAFE_MODE;
105 guint32 candidate = mono_gchandle_new ((MonoObject*)obj, FALSE);
106 guint32 handle = mono_class_set_ref_info_handle (klass, candidate);
107 ++class_ref_info_handle_count;
109 if (handle != candidate)
110 mono_gchandle_free (candidate);
114 mono_class_free_ref_info (MonoClass *klass)
116 MONO_REQ_GC_NEUTRAL_MODE;
117 guint32 handle = mono_class_get_ref_info_handle (klass);
120 mono_gchandle_free (handle);
121 mono_class_set_ref_info_handle (klass, 0);
127 mono_custom_attrs_free (MonoCustomAttrInfo *ainfo)
129 MONO_REQ_GC_NEUTRAL_MODE;
131 if (ainfo && !ainfo->cached)
137 reflected_equal (gconstpointer a, gconstpointer b)
139 const ReflectedEntry *ea = (const ReflectedEntry *)a;
140 const ReflectedEntry *eb = (const ReflectedEntry *)b;
142 return (ea->item == eb->item) && (ea->refclass == eb->refclass);
146 reflected_hash (gconstpointer a) {
147 const ReflectedEntry *ea = (const ReflectedEntry *)a;
148 return mono_aligned_addr_hash (ea->item);
153 clear_cached_object (MonoDomain *domain, gpointer o, MonoClass *klass)
155 mono_domain_lock (domain);
156 if (domain->refobject_hash) {
158 gpointer orig_pe, orig_value;
162 if (mono_g_hash_table_lookup_extended (domain->refobject_hash, &pe, &orig_pe, &orig_value)) {
163 mono_g_hash_table_remove (domain->refobject_hash, &pe);
164 FREE_REFENTRY (orig_pe);
167 mono_domain_unlock (domain);
170 #ifdef REFENTRY_REQUIRES_CLEANUP
172 cleanup_refobject_hash (gpointer key, gpointer value, gpointer user_data)
179 mono_reflection_cleanup_domain (MonoDomain *domain)
181 if (domain->refobject_hash) {
182 /*let's avoid scanning the whole hashtable if not needed*/
183 #ifdef REFENTRY_REQUIRES_CLEANUP
184 mono_g_hash_table_foreach (domain->refobject_hash, cleanup_refobject_hash, NULL);
186 mono_g_hash_table_destroy (domain->refobject_hash);
187 domain->refobject_hash = NULL;
193 * mono_assembly_get_object:
194 * @domain: an app domain
195 * @assembly: an assembly
197 * Return an System.Reflection.Assembly object representing the MonoAssembly @assembly.
199 MonoReflectionAssembly*
200 mono_assembly_get_object (MonoDomain *domain, MonoAssembly *assembly)
203 MonoReflectionAssembly *result;
204 result = mono_assembly_get_object_checked (domain, assembly, &error);
205 mono_error_cleanup (&error); /* FIXME new API that doesn't swallow the error */
209 * mono_assembly_get_object_checked:
210 * @domain: an app domain
211 * @assembly: an assembly
213 * Return an System.Reflection.Assembly object representing the MonoAssembly @assembly.
215 MonoReflectionAssembly*
216 mono_assembly_get_object_checked (MonoDomain *domain, MonoAssembly *assembly, MonoError *error)
218 MonoReflectionAssembly *res;
220 mono_error_init (error);
222 CHECK_OBJECT (MonoReflectionAssembly *, assembly, NULL);
223 res = (MonoReflectionAssembly *)mono_object_new_checked (domain, mono_class_get_mono_assembly_class (), error);
226 res->assembly = assembly;
228 CACHE_OBJECT (MonoReflectionAssembly *, assembly, res, NULL);
233 MonoReflectionModule*
234 mono_module_get_object (MonoDomain *domain, MonoImage *image)
237 MonoReflectionModule *result;
238 result = mono_module_get_object_checked (domain, image, &error);
239 mono_error_cleanup (&error);
243 MonoReflectionModule*
244 mono_module_get_object_checked (MonoDomain *domain, MonoImage *image, MonoError *error)
246 MonoReflectionModule *res;
249 mono_error_init (error);
250 CHECK_OBJECT (MonoReflectionModule *, image, NULL);
251 res = (MonoReflectionModule *)mono_object_new_checked (domain, mono_class_get_mono_module_class (), error);
256 MonoReflectionAssembly *assm_obj = mono_assembly_get_object_checked (domain, image->assembly, error);
259 MONO_OBJECT_SETREF (res, assembly, assm_obj);
261 MONO_OBJECT_SETREF (res, fqname, mono_string_new (domain, image->name));
262 basename = g_path_get_basename (image->name);
263 MONO_OBJECT_SETREF (res, name, mono_string_new (domain, basename));
264 MONO_OBJECT_SETREF (res, scopename, mono_string_new (domain, image->module_name));
268 if (image->assembly->image == image) {
269 res->token = mono_metadata_make_token (MONO_TABLE_MODULE, 1);
273 if (image->assembly->image->modules) {
274 for (i = 0; i < image->assembly->image->module_count; i++) {
275 if (image->assembly->image->modules [i] == image)
276 res->token = mono_metadata_make_token (MONO_TABLE_MODULEREF, i + 1);
278 g_assert (res->token);
282 CACHE_OBJECT (MonoReflectionModule *, image, res, NULL);
285 MonoReflectionModule*
286 mono_module_file_get_object (MonoDomain *domain, MonoImage *image, int table_index)
289 MonoReflectionModule *result;
290 result = mono_module_file_get_object_checked (domain, image, table_index, &error);
291 mono_error_cleanup (&error);
295 MonoReflectionModule*
296 mono_module_file_get_object_checked (MonoDomain *domain, MonoImage *image, int table_index, MonoError *error)
298 MonoReflectionModule *res;
299 MonoTableInfo *table;
300 guint32 cols [MONO_FILE_SIZE];
305 mono_error_init (error);
307 res = (MonoReflectionModule *)mono_object_new_checked (domain, mono_class_get_mono_module_class (), error);
311 table = &image->tables [MONO_TABLE_FILE];
312 g_assert (table_index < table->rows);
313 mono_metadata_decode_row (table, table_index, cols, MONO_FILE_SIZE);
316 MonoReflectionAssembly *assm_obj = mono_assembly_get_object_checked (domain, image->assembly, error);
319 MONO_OBJECT_SETREF (res, assembly, assm_obj);
320 name = mono_metadata_string_heap (image, cols [MONO_FILE_NAME]);
322 /* Check whenever the row has a corresponding row in the moduleref table */
323 table = &image->tables [MONO_TABLE_MODULEREF];
324 for (i = 0; i < table->rows; ++i) {
325 name_idx = mono_metadata_decode_row_col (table, i, MONO_MODULEREF_NAME);
326 val = mono_metadata_string_heap (image, name_idx);
327 if (strcmp (val, name) == 0)
328 res->image = image->modules [i];
331 MONO_OBJECT_SETREF (res, fqname, mono_string_new (domain, name));
332 MONO_OBJECT_SETREF (res, name, mono_string_new (domain, name));
333 MONO_OBJECT_SETREF (res, scopename, mono_string_new (domain, name));
334 res->is_resource = cols [MONO_FILE_FLAGS] & FILE_CONTAINS_NO_METADATA;
335 res->token = mono_metadata_make_token (MONO_TABLE_FILE, table_index + 1);
341 mono_type_normalize (MonoType *type)
344 MonoGenericClass *gclass;
345 MonoGenericInst *ginst;
347 MonoGenericContainer *gcontainer;
348 MonoType **argv = NULL;
349 gboolean is_denorm_gtd = TRUE, requires_rebind = FALSE;
351 if (type->type != MONO_TYPE_GENERICINST)
354 gclass = type->data.generic_class;
355 ginst = gclass->context.class_inst;
359 gtd = gclass->container_class;
360 gcontainer = mono_class_get_generic_container (gtd);
361 argv = g_newa (MonoType*, ginst->type_argc);
363 for (i = 0; i < ginst->type_argc; ++i) {
364 MonoType *t = ginst->type_argv [i], *norm;
365 if (t->type != MONO_TYPE_VAR || t->data.generic_param->num != i || t->data.generic_param->owner != gcontainer)
366 is_denorm_gtd = FALSE;
367 norm = mono_type_normalize (t);
370 requires_rebind = TRUE;
374 return type->byref == gtd->byval_arg.byref ? >d->byval_arg : >d->this_arg;
376 if (requires_rebind) {
377 MonoClass *klass = mono_class_bind_generic_parameters (gtd, ginst->type_argc, argv, gclass->is_dynamic);
378 return type->byref == klass->byval_arg.byref ? &klass->byval_arg : &klass->this_arg;
384 * mono_type_get_object:
385 * @domain: an app domain
388 * Return an System.MonoType object representing the type @type.
391 mono_type_get_object (MonoDomain *domain, MonoType *type)
394 MonoReflectionType *ret = mono_type_get_object_checked (domain, type, &error);
395 mono_error_cleanup (&error);
401 mono_type_get_object_checked (MonoDomain *domain, MonoType *type, MonoError *error)
404 MonoReflectionType *res;
407 mono_error_init (error);
409 klass = mono_class_from_mono_type (type);
411 /*we must avoid using @type as it might have come
412 * from a mono_metadata_type_dup and the caller
413 * expects that is can be freed.
414 * Using the right type from
416 type = klass->byval_arg.byref == type->byref ? &klass->byval_arg : &klass->this_arg;
418 /* void is very common */
419 if (type->type == MONO_TYPE_VOID && domain->typeof_void)
420 return (MonoReflectionType*)domain->typeof_void;
423 * If the vtable of the given class was already created, we can use
424 * the MonoType from there and avoid all locking and hash table lookups.
426 * We cannot do this for TypeBuilders as mono_reflection_create_runtime_class expects
427 * that the resulting object is different.
429 if (type == &klass->byval_arg && !image_is_dynamic (klass->image)) {
430 MonoVTable *vtable = mono_class_try_get_vtable (domain, klass);
431 if (vtable && vtable->type)
432 return (MonoReflectionType *)vtable->type;
435 mono_loader_lock (); /*FIXME mono_class_init and mono_class_vtable acquire it*/
436 mono_domain_lock (domain);
437 if (!domain->type_hash)
438 domain->type_hash = mono_g_hash_table_new_type ((GHashFunc)mono_metadata_type_hash,
439 (GCompareFunc)mono_metadata_type_equal, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain reflection types table");
440 if ((res = (MonoReflectionType *)mono_g_hash_table_lookup (domain->type_hash, type))) {
441 mono_domain_unlock (domain);
442 mono_loader_unlock ();
446 /*Types must be normalized so a generic instance of the GTD get's the same inner type.
447 * For example in: Foo<A,B>; Bar<A> : Foo<A, Bar<A>>
448 * The second Bar will be encoded a generic instance of Bar with <A> as parameter.
449 * On all other places, Bar<A> will be encoded as the GTD itself. This is an implementation
450 * artifact of how generics are encoded and should be transparent to managed code so we
451 * need to weed out this diference when retrieving managed System.Type objects.
453 norm_type = mono_type_normalize (type);
454 if (norm_type != type) {
455 res = mono_type_get_object_checked (domain, norm_type, error);
456 if (!mono_error_ok (error))
458 mono_g_hash_table_insert (domain->type_hash, type, res);
459 mono_domain_unlock (domain);
460 mono_loader_unlock ();
464 /* This MonoGenericClass hack is no longer necessary. Let's leave it here until we finish with the 2-stage type-builder setup.*/
465 if ((type->type == MONO_TYPE_GENERICINST) && type->data.generic_class->is_dynamic && !type->data.generic_class->container_class->wastypebuilder)
468 if (mono_class_get_ref_info (klass) && !klass->wastypebuilder && !type->byref) {
469 mono_domain_unlock (domain);
470 mono_loader_unlock ();
471 return (MonoReflectionType *)mono_class_get_ref_info (klass);
473 /* This is stored in vtables/JITted code so it has to be pinned */
474 res = (MonoReflectionType *)mono_object_new_pinned (domain, mono_defaults.runtimetype_class, error);
475 if (!mono_error_ok (error))
479 mono_g_hash_table_insert (domain->type_hash, type, res);
481 if (type->type == MONO_TYPE_VOID)
482 domain->typeof_void = (MonoObject*)res;
484 mono_domain_unlock (domain);
485 mono_loader_unlock ();
490 * mono_method_get_object:
491 * @domain: an app domain
493 * @refclass: the reflected type (can be NULL)
495 * Return an System.Reflection.MonoMethod object representing the method @method.
497 MonoReflectionMethod*
498 mono_method_get_object (MonoDomain *domain, MonoMethod *method, MonoClass *refclass)
501 MonoReflectionMethod *ret = NULL;
502 ret = mono_method_get_object_checked (domain, method, refclass, &error);
503 mono_error_cleanup (&error);
508 * mono_method_get_object_checked:
509 * @domain: an app domain
511 * @refclass: the reflected type (can be NULL)
512 * @error: set on error.
514 * Return an System.Reflection.MonoMethod object representing the method @method.
515 * Returns NULL and sets @error on error.
517 MonoReflectionMethod*
518 mono_method_get_object_checked (MonoDomain *domain, MonoMethod *method, MonoClass *refclass, MonoError *error)
521 * We use the same C representation for methods and constructors, but the type
522 * name in C# is different.
524 MonoReflectionType *rt;
526 MonoReflectionMethod *ret;
528 mono_error_init (error);
531 refclass = method->klass;
533 CHECK_OBJECT (MonoReflectionMethod *, method, refclass);
534 if (*method->name == '.' && (strcmp (method->name, ".ctor") == 0 || strcmp (method->name, ".cctor") == 0)) {
535 klass = mono_class_get_mono_cmethod_class ();
538 klass = mono_class_get_mono_method_class ();
540 ret = (MonoReflectionMethod*)mono_object_new_checked (domain, klass, error);
541 if (!mono_error_ok (error))
543 ret->method = method;
545 rt = mono_type_get_object_checked (domain, &refclass->byval_arg, error);
546 if (!mono_error_ok (error))
549 MONO_OBJECT_SETREF (ret, reftype, rt);
551 CACHE_OBJECT (MonoReflectionMethod *, method, ret, refclass);
554 g_assert (!mono_error_ok (error));
559 * mono_method_clear_object:
561 * Clear the cached reflection objects for the dynamic method METHOD.
564 mono_method_clear_object (MonoDomain *domain, MonoMethod *method)
567 g_assert (method_is_dynamic (method));
569 klass = method->klass;
571 clear_cached_object (domain, method, klass);
572 klass = klass->parent;
574 /* Added by mono_param_get_objects () */
575 clear_cached_object (domain, &(method->signature), NULL);
576 klass = method->klass;
578 clear_cached_object (domain, &(method->signature), klass);
579 klass = klass->parent;
584 * mono_field_get_object:
585 * @domain: an app domain
589 * Return an System.Reflection.MonoField object representing the field @field
593 mono_field_get_object (MonoDomain *domain, MonoClass *klass, MonoClassField *field)
596 MonoReflectionField *result;
597 result = mono_field_get_object_checked (domain, klass, field, &error);
598 mono_error_cleanup (&error);
603 * mono_field_get_object_checked:
604 * @domain: an app domain
607 * @error: set on error
609 * Return an System.Reflection.MonoField object representing the field @field
610 * in class @klass. On error, returns NULL and sets @error.
613 mono_field_get_object_checked (MonoDomain *domain, MonoClass *klass, MonoClassField *field, MonoError *error)
615 MonoReflectionType *rt;
616 MonoReflectionField *res;
618 mono_error_init (error);
620 CHECK_OBJECT (MonoReflectionField *, field, klass);
621 res = (MonoReflectionField *)mono_object_new_checked (domain, mono_class_get_mono_field_class (), error);
626 MONO_OBJECT_SETREF (res, name, mono_string_new (domain, mono_field_get_name (field)));
629 rt = mono_type_get_object_checked (domain, field->type, error);
630 if (!mono_error_ok (error))
633 MONO_OBJECT_SETREF (res, type, rt);
635 res->attrs = mono_field_get_flags (field);
636 CACHE_OBJECT (MonoReflectionField *, field, res, klass);
640 * mono_property_get_object:
641 * @domain: an app domain
643 * @property: a property
645 * Return an System.Reflection.MonoProperty object representing the property @property
648 MonoReflectionProperty*
649 mono_property_get_object (MonoDomain *domain, MonoClass *klass, MonoProperty *property)
652 MonoReflectionProperty *result;
653 result = mono_property_get_object_checked (domain, klass, property, &error);
654 mono_error_cleanup (&error);
659 * mono_property_get_object:
660 * @domain: an app domain
662 * @property: a property
663 * @error: set on error
665 * Return an System.Reflection.MonoProperty object representing the property @property
666 * in class @klass. On error returns NULL and sets @error.
668 MonoReflectionProperty*
669 mono_property_get_object_checked (MonoDomain *domain, MonoClass *klass, MonoProperty *property, MonoError *error)
671 MonoReflectionProperty *res;
673 mono_error_init (error);
675 CHECK_OBJECT (MonoReflectionProperty *, property, klass);
676 res = (MonoReflectionProperty *)mono_object_new_checked (domain, mono_class_get_mono_property_class (), error);
680 res->property = property;
681 CACHE_OBJECT (MonoReflectionProperty *, property, res, klass);
685 * mono_event_get_object:
686 * @domain: an app domain
690 * Return an System.Reflection.MonoEvent object representing the event @event
694 mono_event_get_object (MonoDomain *domain, MonoClass *klass, MonoEvent *event)
697 MonoReflectionEvent *result;
698 result = mono_event_get_object_checked (domain, klass, event, &error);
699 mono_error_cleanup (&error);
704 * mono_event_get_object_checked:
705 * @domain: an app domain
708 * @error: set on error
710 * Return an System.Reflection.MonoEvent object representing the event @event
711 * in class @klass. On failure sets @error and returns NULL
714 mono_event_get_object_checked (MonoDomain *domain, MonoClass *klass, MonoEvent *event, MonoError *error)
716 MonoReflectionEvent *res;
717 MonoReflectionMonoEvent *mono_event;
719 mono_error_init (error);
720 CHECK_OBJECT (MonoReflectionEvent *, event, klass);
721 mono_event = (MonoReflectionMonoEvent *)mono_object_new_checked (domain, mono_class_get_mono_event_class (), error);
724 mono_event->klass = klass;
725 mono_event->event = event;
726 res = (MonoReflectionEvent*)mono_event;
727 CACHE_OBJECT (MonoReflectionEvent *, event, res, klass);
731 * mono_get_reflection_missing_object:
732 * @domain: Domain where the object lives
734 * Returns the System.Reflection.Missing.Value singleton object
735 * (of type System.Reflection.Missing).
737 * Used as the value for ParameterInfo.DefaultValue when Optional
741 mono_get_reflection_missing_object (MonoDomain *domain)
745 static MonoClassField *missing_value_field = NULL;
747 if (!missing_value_field) {
748 MonoClass *missing_klass;
749 missing_klass = mono_class_get_missing_class ();
750 mono_class_init (missing_klass);
751 missing_value_field = mono_class_get_field_from_name (missing_klass, "Value");
752 g_assert (missing_value_field);
754 obj = mono_field_get_value_object_checked (domain, missing_value_field, NULL, &error);
755 mono_error_assert_ok (&error);
760 get_dbnull (MonoDomain *domain, MonoObject **dbnull)
763 *dbnull = mono_get_dbnull_object (domain);
768 get_reflection_missing (MonoDomain *domain, MonoObject **reflection_missing)
770 if (!*reflection_missing)
771 *reflection_missing = mono_get_reflection_missing_object (domain);
772 return *reflection_missing;
776 * mono_param_get_objects:
777 * @domain: an app domain
780 * Return an System.Reflection.ParameterInfo array object representing the parameters
781 * in the method @method.
784 mono_param_get_objects_internal (MonoDomain *domain, MonoMethod *method, MonoClass *refclass, MonoError *error)
786 static MonoClass *System_Reflection_ParameterInfo;
787 static MonoClass *System_Reflection_ParameterInfo_array;
788 MonoArray *res = NULL;
789 MonoReflectionMethod *member = NULL;
790 MonoReflectionParameter *param = NULL;
791 char **names = NULL, **blobs = NULL;
792 guint32 *types = NULL;
793 MonoType *type = NULL;
794 MonoObject *dbnull = NULL;
795 MonoObject *missing = NULL;
796 MonoMarshalSpec **mspecs = NULL;
797 MonoMethodSignature *sig = NULL;
798 MonoVTable *pinfo_vtable;
799 MonoReflectionType *rt;
802 mono_error_init (error);
804 if (!System_Reflection_ParameterInfo_array) {
807 klass = mono_class_get_mono_parameter_info_class ();
809 mono_memory_barrier ();
810 System_Reflection_ParameterInfo = klass;
813 klass = mono_array_class_get (klass, 1);
814 mono_memory_barrier ();
815 System_Reflection_ParameterInfo_array = klass;
818 sig = mono_method_signature_checked (method, error);
819 if (!mono_error_ok (error))
822 if (!sig->param_count) {
823 res = mono_array_new_specific_checked (mono_class_vtable (domain, System_Reflection_ParameterInfo_array), 0, error);
830 /* Note: the cache is based on the address of the signature into the method
831 * since we already cache MethodInfos with the method as keys.
833 CHECK_OBJECT (MonoArray*, &(method->signature), refclass);
835 member = mono_method_get_object_checked (domain, method, refclass, error);
838 names = g_new (char *, sig->param_count);
839 mono_method_get_param_names (method, (const char **) names);
841 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
842 mono_method_get_marshal_info (method, mspecs);
844 res = mono_array_new_specific_checked (mono_class_vtable (domain, System_Reflection_ParameterInfo_array), sig->param_count, error);
848 pinfo_vtable = mono_class_vtable (domain, System_Reflection_ParameterInfo);
849 for (i = 0; i < sig->param_count; ++i) {
850 param = (MonoReflectionParameter *) mono_object_new_specific_checked (pinfo_vtable, error);
854 rt = mono_type_get_object_checked (domain, sig->params [i], error);
858 MONO_OBJECT_SETREF (param, ClassImpl, rt);
860 MONO_OBJECT_SETREF (param, MemberImpl, (MonoObject*)member);
862 MONO_OBJECT_SETREF (param, NameImpl, mono_string_new (domain, names [i]));
864 param->PositionImpl = i;
865 param->AttrsImpl = sig->params [i]->attrs;
867 if (!(param->AttrsImpl & PARAM_ATTRIBUTE_HAS_DEFAULT)) {
868 if (param->AttrsImpl & PARAM_ATTRIBUTE_OPTIONAL)
869 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_reflection_missing (domain, &missing));
871 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_dbnull (domain, &dbnull));
875 blobs = g_new0 (char *, sig->param_count);
876 types = g_new0 (guint32, sig->param_count);
877 get_default_param_value_blobs (method, blobs, types);
880 /* Build MonoType for the type from the Constant Table */
882 type = g_new0 (MonoType, 1);
883 type->type = (MonoTypeEnum)types [i];
884 type->data.klass = NULL;
885 if (types [i] == MONO_TYPE_CLASS)
886 type->data.klass = mono_defaults.object_class;
887 else if ((sig->params [i]->type == MONO_TYPE_VALUETYPE) && sig->params [i]->data.klass->enumtype) {
888 /* For enums, types [i] contains the base type */
890 type->type = MONO_TYPE_VALUETYPE;
891 type->data.klass = mono_class_from_mono_type (sig->params [i]);
893 type->data.klass = mono_class_from_mono_type (type);
895 MonoObject *default_val_obj = mono_get_object_from_blob (domain, type, blobs [i], error);
898 MONO_OBJECT_SETREF (param, DefaultValueImpl, default_val_obj);
900 /* Type in the Constant table is MONO_TYPE_CLASS for nulls */
901 if (types [i] != MONO_TYPE_CLASS && !param->DefaultValueImpl) {
902 if (param->AttrsImpl & PARAM_ATTRIBUTE_OPTIONAL)
903 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_reflection_missing (domain, &missing));
905 MONO_OBJECT_SETREF (param, DefaultValueImpl, get_dbnull (domain, &dbnull));
910 if (mspecs [i + 1]) {
911 MonoReflectionMarshalAsAttribute* mobj;
912 mobj = mono_reflection_marshal_as_attribute_from_marshal_spec (domain, method->klass, mspecs [i + 1], error);
915 MONO_OBJECT_SETREF (param, MarshalAsImpl, (MonoObject*)mobj);
918 mono_array_setref (res, i, param);
928 for (i = sig->param_count; i >= 0; i--) {
930 mono_metadata_free_marshal_spec (mspecs [i]);
938 CACHE_OBJECT (MonoArray *, &(method->signature), res, refclass);
942 mono_param_get_objects (MonoDomain *domain, MonoMethod *method)
945 MonoArray *result = mono_param_get_objects_internal (domain, method, NULL, &error);
946 mono_error_assert_ok (&error);
951 * mono_method_body_get_object:
952 * @domain: an app domain
955 * Return an System.Reflection.MethodBody object representing the method @method.
957 MonoReflectionMethodBody*
958 mono_method_body_get_object (MonoDomain *domain, MonoMethod *method)
961 MonoReflectionMethodBody *result = mono_method_body_get_object_checked (domain, method, &error);
962 mono_error_cleanup (&error);
967 * mono_method_body_get_object_checked:
968 * @domain: an app domain
970 * @error: set on error
972 * Return an System.Reflection.MethodBody object representing the
973 * method @method. On failure, returns NULL and sets @error.
975 MonoReflectionMethodBody*
976 mono_method_body_get_object_checked (MonoDomain *domain, MonoMethod *method, MonoError *error)
978 MonoReflectionMethodBody *ret;
979 MonoMethodHeader *header;
981 MonoReflectionType *rt;
982 guint32 method_rva, local_var_sig_token;
984 unsigned char format, flags;
987 mono_error_init (error);
989 /* for compatibility with .net */
990 if (method_is_dynamic (method)) {
991 mono_error_set_generic_error (error, "System", "InvalidOperationException", "");
995 CHECK_OBJECT (MonoReflectionMethodBody *, method, NULL);
997 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
998 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
999 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
1000 (method->klass->image->raw_data && method->klass->image->raw_data [1] != 'Z') ||
1001 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME))
1004 image = method->klass->image;
1005 header = mono_method_get_header_checked (method, error);
1006 return_val_if_nok (error, NULL);
1008 if (!image_is_dynamic (image)) {
1009 /* Obtain local vars signature token */
1010 method_rva = mono_metadata_decode_row_col (&image->tables [MONO_TABLE_METHOD], mono_metadata_token_index (method->token) - 1, MONO_METHOD_RVA);
1011 ptr = mono_image_rva_map (image, method_rva);
1012 flags = *(const unsigned char *) ptr;
1013 format = flags & METHOD_HEADER_FORMAT_MASK;
1015 case METHOD_HEADER_TINY_FORMAT:
1016 local_var_sig_token = 0;
1018 case METHOD_HEADER_FAT_FORMAT:
1022 local_var_sig_token = read32 (ptr);
1025 g_assert_not_reached ();
1028 local_var_sig_token = 0; //FIXME
1030 ret = (MonoReflectionMethodBody*)mono_object_new_checked (domain, mono_class_get_method_body_class (), error);
1034 ret->init_locals = header->init_locals;
1035 ret->max_stack = header->max_stack;
1036 ret->local_var_sig_token = local_var_sig_token;
1037 MonoArray *il_arr = mono_array_new_cached (domain, mono_defaults.byte_class, header->code_size, error);
1040 MONO_OBJECT_SETREF (ret, il, il_arr);
1041 memcpy (mono_array_addr (ret->il, guint8, 0), header->code, header->code_size);
1044 MonoArray *locals_arr = mono_array_new_cached (domain, mono_class_get_local_variable_info_class (), header->num_locals, error);
1047 MONO_OBJECT_SETREF (ret, locals, locals_arr);
1048 for (i = 0; i < header->num_locals; ++i) {
1049 MonoReflectionLocalVariableInfo *info = (MonoReflectionLocalVariableInfo*)mono_object_new_checked (domain, mono_class_get_local_variable_info_class (), error);
1053 rt = mono_type_get_object_checked (domain, header->locals [i], error);
1057 MONO_OBJECT_SETREF (info, local_type, rt);
1059 info->is_pinned = header->locals [i]->pinned;
1060 info->local_index = i;
1061 mono_array_setref (ret->locals, i, info);
1065 MonoArray *exn_clauses = mono_array_new_cached (domain, mono_class_get_exception_handling_clause_class (), header->num_clauses, error);
1068 MONO_OBJECT_SETREF (ret, clauses, exn_clauses);
1069 for (i = 0; i < header->num_clauses; ++i) {
1070 MonoReflectionExceptionHandlingClause *info = (MonoReflectionExceptionHandlingClause*)mono_object_new_checked (domain, mono_class_get_exception_handling_clause_class (), error);
1073 MonoExceptionClause *clause = &header->clauses [i];
1075 info->flags = clause->flags;
1076 info->try_offset = clause->try_offset;
1077 info->try_length = clause->try_len;
1078 info->handler_offset = clause->handler_offset;
1079 info->handler_length = clause->handler_len;
1080 if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
1081 info->filter_offset = clause->data.filter_offset;
1082 else if (clause->data.catch_class) {
1083 rt = mono_type_get_object_checked (mono_domain_get (), &clause->data.catch_class->byval_arg, error);
1087 MONO_OBJECT_SETREF (info, catch_type, rt);
1090 mono_array_setref (ret->clauses, i, info);
1093 mono_metadata_free_mh (header);
1094 CACHE_OBJECT (MonoReflectionMethodBody *, method, ret, NULL);
1098 mono_metadata_free_mh (header);
1103 * mono_get_dbnull_object:
1104 * @domain: Domain where the object lives
1106 * Returns the System.DBNull.Value singleton object
1108 * Used as the value for ParameterInfo.DefaultValue
1111 mono_get_dbnull_object (MonoDomain *domain)
1115 static MonoClassField *dbnull_value_field = NULL;
1117 if (!dbnull_value_field) {
1118 MonoClass *dbnull_klass;
1119 dbnull_klass = mono_class_get_dbnull_class ();
1120 dbnull_value_field = mono_class_get_field_from_name (dbnull_klass, "Value");
1121 g_assert (dbnull_value_field);
1123 obj = mono_field_get_value_object_checked (domain, dbnull_value_field, NULL, &error);
1124 mono_error_assert_ok (&error);
1129 get_default_param_value_blobs (MonoMethod *method, char **blobs, guint32 *types)
1131 guint32 param_index, i, lastp, crow = 0;
1132 guint32 param_cols [MONO_PARAM_SIZE], const_cols [MONO_CONSTANT_SIZE];
1135 MonoClass *klass = method->klass;
1136 MonoImage *image = klass->image;
1137 MonoMethodSignature *methodsig = mono_method_signature (method);
1139 MonoTableInfo *constt;
1140 MonoTableInfo *methodt;
1141 MonoTableInfo *paramt;
1143 if (!methodsig->param_count)
1146 mono_class_init (klass);
1148 if (image_is_dynamic (klass->image)) {
1149 MonoReflectionMethodAux *aux;
1150 if (method->is_inflated)
1151 method = ((MonoMethodInflated*)method)->declaring;
1152 aux = (MonoReflectionMethodAux *)g_hash_table_lookup (((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1153 if (aux && aux->param_defaults) {
1154 memcpy (blobs, &(aux->param_defaults [1]), methodsig->param_count * sizeof (char*));
1155 memcpy (types, &(aux->param_default_types [1]), methodsig->param_count * sizeof (guint32));
1160 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1161 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1162 constt = &image->tables [MONO_TABLE_CONSTANT];
1164 idx = mono_method_get_index (method) - 1;
1165 g_assert (idx != -1);
1167 param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1168 if (idx + 1 < methodt->rows)
1169 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1171 lastp = paramt->rows + 1;
1173 for (i = param_index; i < lastp; ++i) {
1176 mono_metadata_decode_row (paramt, i - 1, param_cols, MONO_PARAM_SIZE);
1177 paramseq = param_cols [MONO_PARAM_SEQUENCE];
1179 if (!(param_cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_DEFAULT))
1182 crow = mono_metadata_get_constant_index (image, MONO_TOKEN_PARAM_DEF | i, crow + 1);
1187 mono_metadata_decode_row (constt, crow - 1, const_cols, MONO_CONSTANT_SIZE);
1188 blobs [paramseq - 1] = (char *)mono_metadata_blob_heap (image, const_cols [MONO_CONSTANT_VALUE]);
1189 types [paramseq - 1] = const_cols [MONO_CONSTANT_TYPE];
1196 mono_get_object_from_blob (MonoDomain *domain, MonoType *type, const char *blob, MonoError *error)
1201 MonoType *basetype = type;
1203 mono_error_init (error);
1208 klass = mono_class_from_mono_type (type);
1209 if (klass->valuetype) {
1210 object = mono_object_new_checked (domain, klass, error);
1211 return_val_if_nok (error, NULL);
1212 retval = ((gchar *) object + sizeof (MonoObject));
1213 if (klass->enumtype)
1214 basetype = mono_class_enum_basetype (klass);
1219 if (!mono_get_constant_value_from_blob (domain, basetype->type, blob, retval, error))
1226 assembly_name_to_aname (MonoAssemblyName *assembly, char *p) {
1229 gboolean quoted = FALSE;
1231 memset (assembly, 0, sizeof (MonoAssemblyName));
1232 assembly->culture = "";
1233 memset (assembly->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1240 while (*p && (isalnum (*p) || *p == '.' || *p == '-' || *p == '_' || *p == '$' || *p == '@' || g_ascii_isspace (*p)))
1251 /* Remove trailing whitespace */
1253 while (*s && g_ascii_isspace (*s))
1256 while (g_ascii_isspace (*p))
1259 if (*p == 'V' && g_ascii_strncasecmp (p, "Version=", 8) == 0) {
1261 assembly->major = strtoul (p, &s, 10);
1262 if (s == p || *s != '.')
1265 assembly->minor = strtoul (p, &s, 10);
1266 if (s == p || *s != '.')
1269 assembly->build = strtoul (p, &s, 10);
1270 if (s == p || *s != '.')
1273 assembly->revision = strtoul (p, &s, 10);
1277 } else if (*p == 'C' && g_ascii_strncasecmp (p, "Culture=", 8) == 0) {
1279 if (g_ascii_strncasecmp (p, "neutral", 7) == 0) {
1280 assembly->culture = "";
1283 assembly->culture = p;
1284 while (*p && *p != ',') {
1288 } else if (*p == 'P' && g_ascii_strncasecmp (p, "PublicKeyToken=", 15) == 0) {
1290 if (strncmp (p, "null", 4) == 0) {
1295 while (*p && *p != ',') {
1298 len = (p - start + 1);
1299 if (len > MONO_PUBLIC_KEY_TOKEN_LENGTH)
1300 len = MONO_PUBLIC_KEY_TOKEN_LENGTH;
1301 g_strlcpy ((char*)assembly->public_key_token, start, len);
1304 while (*p && *p != ',')
1308 while (g_ascii_isspace (*p) || *p == ',') {
1322 * mono_reflection_parse_type:
1325 * Parse a type name as accepted by the GetType () method and output the info
1326 * extracted in the info structure.
1327 * the name param will be mangled, so, make a copy before passing it to this function.
1328 * The fields in info will be valid until the memory pointed to by name is valid.
1330 * See also mono_type_get_name () below.
1332 * Returns: 0 on parse error.
1335 _mono_reflection_parse_type (char *name, char **endptr, gboolean is_recursed,
1336 MonoTypeNameParse *info)
1338 char *start, *p, *w, *last_point, *startn;
1339 int in_modifiers = 0;
1340 int isbyref = 0, rank = 0, isptr = 0;
1342 start = p = w = name;
1344 //FIXME could we just zero the whole struct? memset (&info, 0, sizeof (MonoTypeNameParse))
1345 memset (&info->assembly, 0, sizeof (MonoAssemblyName));
1346 info->name = info->name_space = NULL;
1347 info->nested = NULL;
1348 info->modifiers = NULL;
1349 info->type_arguments = NULL;
1351 /* last_point separates the namespace from the name */
1354 while (*p == ' ') p++, start++, w++, name++;
1359 *p = 0; /* NULL terminate the name */
1361 info->nested = g_list_append (info->nested, startn);
1362 /* we have parsed the nesting namespace + name */
1366 info->name_space = start;
1368 info->name = last_point + 1;
1370 info->name_space = (char *)"";
1398 info->name_space = start;
1400 info->name = last_point + 1;
1402 info->name_space = (char *)"";
1409 if (isbyref) /* only one level allowed by the spec */
1413 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (0));
1417 if (isbyref) /* pointer to ref not okay */
1419 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (-1));
1424 if (isbyref) /* array of ref and generic ref are not okay */
1426 //Decide if it's an array of a generic argument list
1431 if (*p == ',' || *p == '*' || *p == ']') { //array
1439 else if (*p == '*') /* '*' means unknown lower bound */
1440 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (-2));
1447 info->modifiers = g_list_append (info->modifiers, GUINT_TO_POINTER (rank));
1449 if (rank || isptr) /* generic args after array spec or ptr*/ //XXX test
1452 info->type_arguments = g_ptr_array_new ();
1454 MonoTypeNameParse *subinfo = g_new0 (MonoTypeNameParse, 1);
1455 gboolean fqname = FALSE;
1457 g_ptr_array_add (info->type_arguments, subinfo);
1459 while (*p == ' ') p++;
1465 if (!_mono_reflection_parse_type (p, &p, TRUE, subinfo))
1468 /*MS is lenient on [] delimited parameters that aren't fqn - and F# uses them.*/
1469 if (fqname && (*p != ']')) {
1477 while (*p && (*p != ']'))
1485 if (g_ascii_isspace (*aname)) {
1492 !assembly_name_to_aname (&subinfo->assembly, aname))
1494 } else if (fqname && (*p == ']')) {
1516 if (g_ascii_isspace (*p)) {
1523 return 0; /* missing assembly name */
1524 if (!assembly_name_to_aname (&info->assembly, p))
1530 if (info->assembly.name)
1533 // *w = 0; /* terminate class name */
1535 if (!info->name || !*info->name)
1539 /* add other consistency checks */
1545 * mono_identifier_unescape_type_name_chars:
1546 * @identifier: the display name of a mono type
1549 * The name in internal form, that is without escaping backslashes.
1551 * The string is modified in place!
1554 mono_identifier_unescape_type_name_chars(char* identifier)
1559 for (w = r = identifier; *r != 0; r++)
1577 mono_identifier_unescape_info (MonoTypeNameParse* info);
1580 unescape_each_type_argument(void* data, void* user_data)
1582 MonoTypeNameParse* info = (MonoTypeNameParse*)data;
1583 mono_identifier_unescape_info (info);
1587 unescape_each_nested_name (void* data, void* user_data)
1589 char* nested_name = (char*) data;
1590 mono_identifier_unescape_type_name_chars(nested_name);
1594 * mono_identifier_unescape_info:
1596 * @info: a parsed display form of an (optionally assembly qualified) full type name.
1600 * Destructively updates the info by unescaping the identifiers that
1601 * comprise the type namespace, name, nested types (if any) and
1602 * generic type arguments (if any).
1604 * The resulting info has the names in internal form.
1608 mono_identifier_unescape_info (MonoTypeNameParse *info)
1612 mono_identifier_unescape_type_name_chars(info->name_space);
1613 mono_identifier_unescape_type_name_chars(info->name);
1614 // but don't escape info->assembly
1615 if (info->type_arguments)
1616 g_ptr_array_foreach(info->type_arguments, &unescape_each_type_argument, NULL);
1618 g_list_foreach(info->nested, &unescape_each_nested_name, NULL);
1622 mono_reflection_parse_type (char *name, MonoTypeNameParse *info)
1624 int ok = _mono_reflection_parse_type (name, NULL, FALSE, info);
1626 mono_identifier_unescape_info (info);
1632 _mono_reflection_get_type_from_info (MonoTypeNameParse *info, MonoImage *image, gboolean ignorecase, MonoError *error)
1634 gboolean type_resolve = FALSE;
1636 MonoImage *rootimage = image;
1638 mono_error_init (error);
1640 if (info->assembly.name) {
1641 MonoAssembly *assembly = mono_assembly_loaded (&info->assembly);
1642 if (!assembly && image && image->assembly && mono_assembly_names_equal (&info->assembly, &image->assembly->aname))
1644 * This could happen in the AOT compiler case when the search hook is not
1647 assembly = image->assembly;
1649 /* then we must load the assembly ourselve - see #60439 */
1650 assembly = mono_assembly_load (&info->assembly, image->assembly->basedir, NULL);
1654 image = assembly->image;
1655 } else if (!image) {
1656 image = mono_defaults.corlib;
1659 type = mono_reflection_get_type_with_rootimage (rootimage, image, info, ignorecase, &type_resolve, error);
1660 if (type == NULL && !info->assembly.name && image != mono_defaults.corlib) {
1661 /* ignore the error and try again */
1662 mono_error_cleanup (error);
1663 mono_error_init (error);
1664 image = mono_defaults.corlib;
1665 type = mono_reflection_get_type_with_rootimage (rootimage, image, info, ignorecase, &type_resolve, error);
1672 * mono_reflection_get_type_internal:
1674 * Returns: may return NULL on success, sets error on failure.
1677 mono_reflection_get_type_internal (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, MonoError *error)
1682 gboolean bounded = FALSE;
1684 mono_error_init (error);
1686 image = mono_defaults.corlib;
1689 rootimage = mono_defaults.corlib;
1692 klass = mono_class_from_name_case_checked (image, info->name_space, info->name, error);
1694 klass = mono_class_from_name_checked (image, info->name_space, info->name, error);
1699 for (mod = info->nested; mod; mod = mod->next) {
1700 gpointer iter = NULL;
1704 mono_class_init (parent);
1706 while ((klass = mono_class_get_nested_types (parent, &iter))) {
1708 char *nested_name, *nested_nspace;
1709 gboolean match = TRUE;
1711 lastp = strrchr ((const char *)mod->data, '.');
1713 /* Nested classes can have namespaces */
1716 nested_name = g_strdup (lastp + 1);
1717 nspace_len = lastp - (char*)mod->data;
1718 nested_nspace = (char *)g_malloc (nspace_len + 1);
1719 memcpy (nested_nspace, mod->data, nspace_len);
1720 nested_nspace [nspace_len] = '\0';
1723 nested_name = (char *)mod->data;
1724 nested_nspace = NULL;
1727 if (nested_nspace) {
1729 if (!(klass->name_space && mono_utf8_strcasecmp (klass->name_space, nested_nspace) == 0))
1732 if (!(klass->name_space && strcmp (klass->name_space, nested_nspace) == 0))
1738 if (mono_utf8_strcasecmp (klass->name, nested_name) != 0)
1741 if (strcmp (klass->name, nested_name) != 0)
1746 g_free (nested_name);
1747 g_free (nested_nspace);
1759 if (info->type_arguments) {
1760 MonoType **type_args = g_new0 (MonoType *, info->type_arguments->len);
1761 MonoReflectionType *the_type;
1765 for (i = 0; i < info->type_arguments->len; i++) {
1766 MonoTypeNameParse *subinfo = (MonoTypeNameParse *)g_ptr_array_index (info->type_arguments, i);
1768 type_args [i] = _mono_reflection_get_type_from_info (subinfo, rootimage, ignorecase, error);
1769 if (!type_args [i]) {
1775 the_type = mono_type_get_object_checked (mono_domain_get (), &klass->byval_arg, error);
1779 instance = mono_reflection_bind_generic_parameters (
1780 the_type, info->type_arguments->len, type_args, error);
1786 klass = mono_class_from_mono_type (instance);
1789 for (mod = info->modifiers; mod; mod = mod->next) {
1790 modval = GPOINTER_TO_UINT (mod->data);
1791 if (!modval) { /* byref: must be last modifier */
1792 return &klass->this_arg;
1793 } else if (modval == -1) {
1794 klass = mono_ptr_class_get (&klass->byval_arg);
1795 } else if (modval == -2) {
1797 } else { /* array rank */
1798 klass = mono_bounded_array_class_get (klass, modval, bounded);
1802 return &klass->byval_arg;
1806 * mono_reflection_get_type:
1807 * @image: a metadata context
1808 * @info: type description structure
1809 * @ignorecase: flag for case-insensitive string compares
1810 * @type_resolve: whenever type resolve was already tried
1812 * Build a MonoType from the type description in @info.
1817 mono_reflection_get_type (MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve) {
1819 MonoType *result = mono_reflection_get_type_with_rootimage (image, image, info, ignorecase, type_resolve, &error);
1820 mono_error_cleanup (&error);
1825 * mono_reflection_get_type_checked:
1826 * @rootimage: the image of the currently active managed caller
1827 * @image: a metadata context
1828 * @info: type description structure
1829 * @ignorecase: flag for case-insensitive string compares
1830 * @type_resolve: whenever type resolve was already tried
1831 * @error: set on error.
1833 * Build a MonoType from the type description in @info. On failure returns NULL and sets @error.
1837 mono_reflection_get_type_checked (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve, MonoError *error) {
1838 mono_error_init (error);
1839 return mono_reflection_get_type_with_rootimage (rootimage, image, info, ignorecase, type_resolve, error);
1844 mono_reflection_get_type_internal_dynamic (MonoImage *rootimage, MonoAssembly *assembly, MonoTypeNameParse *info, gboolean ignorecase, MonoError *error)
1846 MonoReflectionAssemblyBuilder *abuilder;
1850 mono_error_init (error);
1851 g_assert (assembly_is_dynamic (assembly));
1852 abuilder = (MonoReflectionAssemblyBuilder*)mono_assembly_get_object_checked (((MonoDynamicAssembly*)assembly)->domain, assembly, error);
1856 /* Enumerate all modules */
1859 if (abuilder->modules) {
1860 for (i = 0; i < mono_array_length (abuilder->modules); ++i) {
1861 MonoReflectionModuleBuilder *mb = mono_array_get (abuilder->modules, MonoReflectionModuleBuilder*, i);
1862 type = mono_reflection_get_type_internal (rootimage, &mb->dynamic_image->image, info, ignorecase, error);
1865 if (!mono_error_ok (error))
1870 if (!type && abuilder->loaded_modules) {
1871 for (i = 0; i < mono_array_length (abuilder->loaded_modules); ++i) {
1872 MonoReflectionModule *mod = mono_array_get (abuilder->loaded_modules, MonoReflectionModule*, i);
1873 type = mono_reflection_get_type_internal (rootimage, mod->image, info, ignorecase, error);
1876 if (!mono_error_ok (error))
1885 mono_reflection_get_type_with_rootimage (MonoImage *rootimage, MonoImage* image, MonoTypeNameParse *info, gboolean ignorecase, gboolean *type_resolve, MonoError *error)
1888 MonoReflectionAssembly *assembly;
1892 mono_error_init (error);
1894 if (image && image_is_dynamic (image))
1895 type = mono_reflection_get_type_internal_dynamic (rootimage, image->assembly, info, ignorecase, error);
1897 type = mono_reflection_get_type_internal (rootimage, image, info, ignorecase, error);
1899 return_val_if_nok (error, NULL);
1903 if (!mono_domain_has_type_resolve (mono_domain_get ()))
1910 *type_resolve = TRUE;
1913 /* Reconstruct the type name */
1914 fullName = g_string_new ("");
1915 if (info->name_space && (info->name_space [0] != '\0'))
1916 g_string_printf (fullName, "%s.%s", info->name_space, info->name);
1918 g_string_printf (fullName, "%s", info->name);
1919 for (mod = info->nested; mod; mod = mod->next)
1920 g_string_append_printf (fullName, "+%s", (char*)mod->data);
1922 assembly = mono_domain_try_type_resolve_checked ( mono_domain_get (), fullName->str, NULL, error);
1923 if (!is_ok (error)) {
1924 g_string_free (fullName, TRUE);
1929 if (assembly_is_dynamic (assembly->assembly))
1930 type = mono_reflection_get_type_internal_dynamic (rootimage, assembly->assembly,
1931 info, ignorecase, error);
1933 type = mono_reflection_get_type_internal (rootimage, assembly->assembly->image,
1934 info, ignorecase, error);
1936 g_string_free (fullName, TRUE);
1937 return_val_if_nok (error, NULL);
1942 mono_reflection_free_type_info (MonoTypeNameParse *info)
1944 g_list_free (info->modifiers);
1945 g_list_free (info->nested);
1947 if (info->type_arguments) {
1950 for (i = 0; i < info->type_arguments->len; i++) {
1951 MonoTypeNameParse *subinfo = (MonoTypeNameParse *)g_ptr_array_index (info->type_arguments, i);
1953 mono_reflection_free_type_info (subinfo);
1954 /*We free the subinfo since it is allocated by _mono_reflection_parse_type*/
1958 g_ptr_array_free (info->type_arguments, TRUE);
1963 * mono_reflection_type_from_name:
1965 * @image: a metadata context (can be NULL).
1967 * Retrieves a MonoType from its @name. If the name is not fully qualified,
1968 * it defaults to get the type from @image or, if @image is NULL or loading
1969 * from it fails, uses corlib.
1973 mono_reflection_type_from_name (char *name, MonoImage *image)
1976 MonoType *result = mono_reflection_type_from_name_checked (name, image, &error);
1977 mono_error_cleanup (&error);
1982 * mono_reflection_type_from_name_checked:
1984 * @image: a metadata context (can be NULL).
1985 * @error: set on errror.
1987 * Retrieves a MonoType from its @name. If the name is not fully qualified,
1988 * it defaults to get the type from @image or, if @image is NULL or loading
1989 * from it fails, uses corlib. On failure returns NULL and sets @error.
1993 mono_reflection_type_from_name_checked (char *name, MonoImage *image, MonoError *error)
1995 MonoType *type = NULL;
1996 MonoTypeNameParse info;
1999 mono_error_init (error);
2000 /* Make a copy since parse_type modifies its argument */
2001 tmp = g_strdup (name);
2003 /*g_print ("requested type %s\n", str);*/
2004 if (mono_reflection_parse_type (tmp, &info)) {
2005 type = _mono_reflection_get_type_from_info (&info, image, FALSE, error);
2006 if (!is_ok (error)) {
2008 mono_reflection_free_type_info (&info);
2014 mono_reflection_free_type_info (&info);
2019 * mono_reflection_get_token:
2021 * Return the metadata token of OBJ which should be an object
2022 * representing a metadata element.
2025 mono_reflection_get_token (MonoObject *obj)
2028 guint32 result = mono_reflection_get_token_checked (obj, &error);
2029 mono_error_assert_ok (&error);
2034 * mono_reflection_get_token_checked:
2036 * @error: set on error
2038 * Return the metadata token of @obj which should be an object
2039 * representing a metadata element. On failure sets @error.
2042 mono_reflection_get_token_checked (MonoObject *obj, MonoError *error)
2047 mono_error_init (error);
2049 klass = obj->vtable->klass;
2051 if (strcmp (klass->name, "MethodBuilder") == 0) {
2052 MonoReflectionMethodBuilder *mb = (MonoReflectionMethodBuilder *)obj;
2054 token = mb->table_idx | MONO_TOKEN_METHOD_DEF;
2055 } else if (strcmp (klass->name, "ConstructorBuilder") == 0) {
2056 MonoReflectionCtorBuilder *mb = (MonoReflectionCtorBuilder *)obj;
2058 token = mb->table_idx | MONO_TOKEN_METHOD_DEF;
2059 } else if (strcmp (klass->name, "FieldBuilder") == 0) {
2060 MonoReflectionFieldBuilder *fb = (MonoReflectionFieldBuilder *)obj;
2062 token = fb->table_idx | MONO_TOKEN_FIELD_DEF;
2063 } else if (strcmp (klass->name, "TypeBuilder") == 0) {
2064 MonoReflectionTypeBuilder *tb = (MonoReflectionTypeBuilder *)obj;
2065 token = tb->table_idx | MONO_TOKEN_TYPE_DEF;
2066 } else if (strcmp (klass->name, "RuntimeType") == 0) {
2067 MonoType *type = mono_reflection_type_get_handle ((MonoReflectionType*)obj, error);
2068 return_val_if_nok (error, 0);
2069 MonoClass *mc = mono_class_from_mono_type (type);
2070 if (!mono_class_init (mc)) {
2071 mono_error_set_for_class_failure (error, mc);
2075 token = mc->type_token;
2076 } else if (strcmp (klass->name, "MonoCMethod") == 0 ||
2077 strcmp (klass->name, "MonoMethod") == 0) {
2078 MonoReflectionMethod *m = (MonoReflectionMethod *)obj;
2079 if (m->method->is_inflated) {
2080 MonoMethodInflated *inflated = (MonoMethodInflated *) m->method;
2081 return inflated->declaring->token;
2083 token = m->method->token;
2085 } else if (strcmp (klass->name, "MonoField") == 0) {
2086 MonoReflectionField *f = (MonoReflectionField*)obj;
2088 token = mono_class_get_field_token (f->field);
2089 } else if (strcmp (klass->name, "MonoProperty") == 0) {
2090 MonoReflectionProperty *p = (MonoReflectionProperty*)obj;
2092 token = mono_class_get_property_token (p->property);
2093 } else if (strcmp (klass->name, "MonoEvent") == 0) {
2094 MonoReflectionMonoEvent *p = (MonoReflectionMonoEvent*)obj;
2096 token = mono_class_get_event_token (p->event);
2097 } else if (strcmp (klass->name, "ParameterInfo") == 0 || strcmp (klass->name, "MonoParameterInfo") == 0) {
2098 MonoReflectionParameter *p = (MonoReflectionParameter*)obj;
2099 MonoClass *member_class = mono_object_class (p->MemberImpl);
2100 g_assert (mono_class_is_reflection_method_or_constructor (member_class));
2102 token = mono_method_get_param_token (((MonoReflectionMethod*)p->MemberImpl)->method, p->PositionImpl);
2103 } else if (strcmp (klass->name, "Module") == 0 || strcmp (klass->name, "MonoModule") == 0) {
2104 MonoReflectionModule *m = (MonoReflectionModule*)obj;
2107 } else if (strcmp (klass->name, "Assembly") == 0 || strcmp (klass->name, "MonoAssembly") == 0) {
2108 token = mono_metadata_make_token (MONO_TABLE_ASSEMBLY, 1);
2110 mono_error_set_not_implemented (error, "MetadataToken is not supported for type '%s.%s'",
2111 klass->name_space, klass->name);
2120 mono_reflection_is_usertype (MonoReflectionType *ref)
2122 MonoClass *klass = mono_object_class (ref);
2123 return klass->image != mono_defaults.corlib || strcmp ("TypeDelegator", klass->name) == 0;
2127 * mono_reflection_bind_generic_parameters:
2128 * @type: a managed type object (which should be some kind of generic (instance? definition?))
2129 * @type_args: the number of type arguments to bind
2130 * @types: array of type arguments
2131 * @error: set on error
2133 * Given a managed type object for a generic type instance, binds each of its arguments to the specified types.
2134 * Returns the MonoType* for the resulting type instantiation. On failure returns NULL and sets @error.
2137 mono_reflection_bind_generic_parameters (MonoReflectionType *type, int type_argc, MonoType **types, MonoError *error)
2140 gboolean is_dynamic = FALSE;
2143 mono_error_init (error);
2145 mono_loader_lock ();
2147 if (mono_is_sre_type_builder (mono_object_class (type))) {
2149 } else if (mono_is_sre_generic_instance (mono_object_class (type))) {
2150 MonoReflectionGenericClass *rgi = (MonoReflectionGenericClass *) type;
2151 MonoReflectionType *gtd = rgi->generic_type;
2153 if (mono_is_sre_type_builder (mono_object_class (gtd)))
2157 MonoType *t = mono_reflection_type_get_handle (type, error);
2158 if (!is_ok (error)) {
2159 mono_loader_unlock ();
2163 klass = mono_class_from_mono_type (t);
2164 if (!mono_class_is_gtd (klass)) {
2165 mono_loader_unlock ();
2166 mono_error_set_type_load_class (error, klass, "Cannot bind generic parameters of a non-generic type");
2170 guint gtd_type_argc = mono_class_get_generic_container (klass)->type_argc;
2171 if (gtd_type_argc != type_argc) {
2172 mono_loader_unlock ();
2173 mono_error_set_argument (error, "types", "The generic type definition needs %d type arguments, but was instantiated with %d ", gtd_type_argc, type_argc);
2178 if (klass->wastypebuilder)
2181 mono_loader_unlock ();
2183 geninst = mono_class_bind_generic_parameters (klass, type_argc, types, is_dynamic);
2185 return &geninst->byval_arg;
2189 mono_class_bind_generic_parameters (MonoClass *klass, int type_argc, MonoType **types, gboolean is_dynamic)
2191 MonoGenericClass *gclass;
2192 MonoGenericInst *inst;
2194 g_assert (mono_class_is_gtd (klass));
2196 inst = mono_metadata_get_generic_inst (type_argc, types);
2197 gclass = mono_metadata_lookup_generic_class (klass, inst, is_dynamic);
2199 return mono_generic_class_get_class (gclass);
2202 static MonoReflectionMethod*
2203 reflection_bind_generic_method_parameters (MonoReflectionMethod *rmethod, MonoArray *types, MonoError *error)
2206 MonoMethod *method, *inflated;
2207 MonoMethodInflated *imethod;
2208 MonoGenericContext tmp_context;
2209 MonoGenericInst *ginst;
2210 MonoType **type_argv;
2213 mono_error_init (error);
2215 g_assert (strcmp (rmethod->object.vtable->klass->name, "MethodBuilder"));
2217 method = rmethod->method;
2219 klass = method->klass;
2221 if (method->is_inflated)
2222 method = ((MonoMethodInflated *) method)->declaring;
2224 count = mono_method_signature (method)->generic_param_count;
2225 if (count != mono_array_length (types))
2228 type_argv = g_new0 (MonoType *, count);
2229 for (i = 0; i < count; i++) {
2230 MonoReflectionType *garg = (MonoReflectionType *)mono_array_get (types, gpointer, i);
2231 type_argv [i] = mono_reflection_type_get_handle (garg, error);
2232 if (!is_ok (error)) {
2237 ginst = mono_metadata_get_generic_inst (count, type_argv);
2240 tmp_context.class_inst = mono_class_is_ginst (klass) ? mono_class_get_generic_class (klass)->context.class_inst : NULL;
2241 tmp_context.method_inst = ginst;
2243 inflated = mono_class_inflate_generic_method_checked (method, &tmp_context, error);
2244 mono_error_assert_ok (error);
2245 imethod = (MonoMethodInflated *) inflated;
2247 /*FIXME but I think this is no longer necessary*/
2248 if (image_is_dynamic (method->klass->image)) {
2249 MonoDynamicImage *image = (MonoDynamicImage*)method->klass->image;
2251 * This table maps metadata structures representing inflated methods/fields
2252 * to the reflection objects representing their generic definitions.
2254 mono_image_lock ((MonoImage*)image);
2255 mono_g_hash_table_insert (image->generic_def_objects, imethod, rmethod);
2256 mono_image_unlock ((MonoImage*)image);
2259 if (!mono_verifier_is_method_valid_generic_instantiation (inflated)) {
2260 mono_error_set_argument (error, "typeArguments", "Invalid generic arguments");
2264 return mono_method_get_object_checked (mono_object_domain (rmethod), inflated, NULL, error);
2267 MonoReflectionMethod*
2268 ves_icall_MonoMethod_MakeGenericMethod_impl (MonoReflectionMethod *rmethod, MonoArray *types)
2271 MonoReflectionMethod *result = reflection_bind_generic_method_parameters (rmethod, types, &error);
2272 mono_error_set_pending_exception (&error);
2277 /* SECURITY_ACTION_* are defined in mono/metadata/tabledefs.h */
2278 const static guint32 declsec_flags_map[] = {
2279 0x00000000, /* empty */
2280 MONO_DECLSEC_FLAG_REQUEST, /* SECURITY_ACTION_REQUEST (x01) */
2281 MONO_DECLSEC_FLAG_DEMAND, /* SECURITY_ACTION_DEMAND (x02) */
2282 MONO_DECLSEC_FLAG_ASSERT, /* SECURITY_ACTION_ASSERT (x03) */
2283 MONO_DECLSEC_FLAG_DENY, /* SECURITY_ACTION_DENY (x04) */
2284 MONO_DECLSEC_FLAG_PERMITONLY, /* SECURITY_ACTION_PERMITONLY (x05) */
2285 MONO_DECLSEC_FLAG_LINKDEMAND, /* SECURITY_ACTION_LINKDEMAND (x06) */
2286 MONO_DECLSEC_FLAG_INHERITANCEDEMAND, /* SECURITY_ACTION_INHERITANCEDEMAND (x07) */
2287 MONO_DECLSEC_FLAG_REQUEST_MINIMUM, /* SECURITY_ACTION_REQUEST_MINIMUM (x08) */
2288 MONO_DECLSEC_FLAG_REQUEST_OPTIONAL, /* SECURITY_ACTION_REQUEST_OPTIONAL (x09) */
2289 MONO_DECLSEC_FLAG_REQUEST_REFUSE, /* SECURITY_ACTION_REQUEST_REFUSE (x0A) */
2290 MONO_DECLSEC_FLAG_PREJIT_GRANT, /* SECURITY_ACTION_PREJIT_GRANT (x0B) */
2291 MONO_DECLSEC_FLAG_PREJIT_DENY, /* SECURITY_ACTION_PREJIT_DENY (x0C) */
2292 MONO_DECLSEC_FLAG_NONCAS_DEMAND, /* SECURITY_ACTION_NONCAS_DEMAND (x0D) */
2293 MONO_DECLSEC_FLAG_NONCAS_LINKDEMAND, /* SECURITY_ACTION_NONCAS_LINKDEMAND (x0E) */
2294 MONO_DECLSEC_FLAG_NONCAS_INHERITANCEDEMAND, /* SECURITY_ACTION_NONCAS_INHERITANCEDEMAND (x0F) */
2295 MONO_DECLSEC_FLAG_LINKDEMAND_CHOICE, /* SECURITY_ACTION_LINKDEMAND_CHOICE (x10) */
2296 MONO_DECLSEC_FLAG_INHERITANCEDEMAND_CHOICE, /* SECURITY_ACTION_INHERITANCEDEMAND_CHOICE (x11) */
2297 MONO_DECLSEC_FLAG_DEMAND_CHOICE, /* SECURITY_ACTION_DEMAND_CHOICE (x12) */
2301 * Returns flags that includes all available security action associated to the handle.
2302 * @token: metadata token (either for a class or a method)
2303 * @image: image where resides the metadata.
2306 mono_declsec_get_flags (MonoImage *image, guint32 token)
2308 int index = mono_metadata_declsec_from_index (image, token);
2309 MonoTableInfo *t = &image->tables [MONO_TABLE_DECLSECURITY];
2314 /* HasSecurity can be present for other, not specially encoded, attributes,
2315 e.g. SuppressUnmanagedCodeSecurityAttribute */
2319 for (i = index; i < t->rows; i++) {
2320 guint32 cols [MONO_DECL_SECURITY_SIZE];
2322 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2323 if (cols [MONO_DECL_SECURITY_PARENT] != token)
2326 action = cols [MONO_DECL_SECURITY_ACTION];
2327 if ((action >= MONO_DECLSEC_ACTION_MIN) && (action <= MONO_DECLSEC_ACTION_MAX)) {
2328 result |= declsec_flags_map [action];
2330 g_assert_not_reached ();
2337 * Get the security actions (in the form of flags) associated with the specified method.
2339 * @method: The method for which we want the declarative security flags.
2340 * Return the declarative security flags for the method (only).
2342 * Note: To keep MonoMethod size down we do not cache the declarative security flags
2343 * (except for the stack modifiers which are kept in the MonoJitInfo structure)
2346 mono_declsec_flags_from_method (MonoMethod *method)
2348 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2349 /* FIXME: No cache (for the moment) */
2350 guint32 idx = mono_method_get_index (method);
2351 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2352 idx |= MONO_HAS_DECL_SECURITY_METHODDEF;
2353 return mono_declsec_get_flags (method->klass->image, idx);
2359 * Get the security actions (in the form of flags) associated with the specified class.
2361 * @klass: The class for which we want the declarative security flags.
2362 * Return the declarative security flags for the class.
2364 * Note: We cache the flags inside the MonoClass structure as this will get
2365 * called very often (at least for each method).
2368 mono_declsec_flags_from_class (MonoClass *klass)
2370 if (mono_class_get_flags (klass) & TYPE_ATTRIBUTE_HAS_SECURITY) {
2371 MonoClassExt *ext = mono_class_get_ext (klass);
2372 if (!ext || !ext->declsec_flags) {
2375 idx = mono_metadata_token_index (klass->type_token);
2376 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2377 idx |= MONO_HAS_DECL_SECURITY_TYPEDEF;
2378 mono_loader_lock ();
2379 mono_class_alloc_ext (klass);
2380 ext = mono_class_get_ext (klass);
2381 mono_loader_unlock ();
2382 /* we cache the flags on classes */
2383 ext->declsec_flags = mono_declsec_get_flags (klass->image, idx);
2385 return ext->declsec_flags;
2391 * Get the security actions (in the form of flags) associated with the specified assembly.
2393 * @assembly: The assembly for which we want the declarative security flags.
2394 * Return the declarative security flags for the assembly.
2397 mono_declsec_flags_from_assembly (MonoAssembly *assembly)
2399 guint32 idx = 1; /* there is only one assembly */
2400 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2401 idx |= MONO_HAS_DECL_SECURITY_ASSEMBLY;
2402 return mono_declsec_get_flags (assembly->image, idx);
2407 * Fill actions for the specific index (which may either be an encoded class token or
2408 * an encoded method token) from the metadata image.
2409 * Returns TRUE if some actions requiring code generation are present, FALSE otherwise.
2412 fill_actions_from_index (MonoImage *image, guint32 token, MonoDeclSecurityActions* actions,
2413 guint32 id_std, guint32 id_noncas, guint32 id_choice)
2415 MonoBoolean result = FALSE;
2417 guint32 cols [MONO_DECL_SECURITY_SIZE];
2418 int index = mono_metadata_declsec_from_index (image, token);
2421 t = &image->tables [MONO_TABLE_DECLSECURITY];
2422 for (i = index; i < t->rows; i++) {
2423 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2425 if (cols [MONO_DECL_SECURITY_PARENT] != token)
2428 /* if present only replace (class) permissions with method permissions */
2429 /* if empty accept either class or method permissions */
2430 if (cols [MONO_DECL_SECURITY_ACTION] == id_std) {
2431 if (!actions->demand.blob) {
2432 const char *blob = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2433 actions->demand.index = cols [MONO_DECL_SECURITY_PERMISSIONSET];
2434 actions->demand.blob = (char*) (blob + 2);
2435 actions->demand.size = mono_metadata_decode_blob_size (blob, &blob);
2438 } else if (cols [MONO_DECL_SECURITY_ACTION] == id_noncas) {
2439 if (!actions->noncasdemand.blob) {
2440 const char *blob = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2441 actions->noncasdemand.index = cols [MONO_DECL_SECURITY_PERMISSIONSET];
2442 actions->noncasdemand.blob = (char*) (blob + 2);
2443 actions->noncasdemand.size = mono_metadata_decode_blob_size (blob, &blob);
2446 } else if (cols [MONO_DECL_SECURITY_ACTION] == id_choice) {
2447 if (!actions->demandchoice.blob) {
2448 const char *blob = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2449 actions->demandchoice.index = cols [MONO_DECL_SECURITY_PERMISSIONSET];
2450 actions->demandchoice.blob = (char*) (blob + 2);
2451 actions->demandchoice.size = mono_metadata_decode_blob_size (blob, &blob);
2461 mono_declsec_get_class_demands_params (MonoClass *klass, MonoDeclSecurityActions* demands,
2462 guint32 id_std, guint32 id_noncas, guint32 id_choice)
2464 guint32 idx = mono_metadata_token_index (klass->type_token);
2465 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2466 idx |= MONO_HAS_DECL_SECURITY_TYPEDEF;
2467 return fill_actions_from_index (klass->image, idx, demands, id_std, id_noncas, id_choice);
2471 mono_declsec_get_method_demands_params (MonoMethod *method, MonoDeclSecurityActions* demands,
2472 guint32 id_std, guint32 id_noncas, guint32 id_choice)
2474 guint32 idx = mono_method_get_index (method);
2475 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2476 idx |= MONO_HAS_DECL_SECURITY_METHODDEF;
2477 return fill_actions_from_index (method->klass->image, idx, demands, id_std, id_noncas, id_choice);
2481 * Collect all actions (that requires to generate code in mini) assigned for
2482 * the specified method.
2483 * Note: Don't use the content of actions if the function return FALSE.
2486 mono_declsec_get_demands (MonoMethod *method, MonoDeclSecurityActions* demands)
2488 guint32 mask = MONO_DECLSEC_FLAG_DEMAND | MONO_DECLSEC_FLAG_NONCAS_DEMAND |
2489 MONO_DECLSEC_FLAG_DEMAND_CHOICE;
2490 MonoBoolean result = FALSE;
2493 /* quick exit if no declarative security is present in the metadata */
2494 if (!method->klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2497 /* we want the original as the wrapper is "free" of the security informations */
2498 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE || method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
2499 method = mono_marshal_method_from_wrapper (method);
2504 /* First we look for method-level attributes */
2505 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2506 mono_class_init (method->klass);
2507 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2509 result = mono_declsec_get_method_demands_params (method, demands,
2510 SECURITY_ACTION_DEMAND, SECURITY_ACTION_NONCASDEMAND, SECURITY_ACTION_DEMANDCHOICE);
2513 /* Here we use (or create) the class declarative cache to look for demands */
2514 flags = mono_declsec_flags_from_class (method->klass);
2517 mono_class_init (method->klass);
2518 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2520 result |= mono_declsec_get_class_demands_params (method->klass, demands,
2521 SECURITY_ACTION_DEMAND, SECURITY_ACTION_NONCASDEMAND, SECURITY_ACTION_DEMANDCHOICE);
2524 /* The boolean return value is used as a shortcut in case nothing needs to
2525 be generated (e.g. LinkDemand[Choice] and InheritanceDemand[Choice]) */
2531 * Collect all Link actions: LinkDemand, NonCasLinkDemand and LinkDemandChoice (2.0).
2533 * Note: Don't use the content of actions if the function return FALSE.
2536 mono_declsec_get_linkdemands (MonoMethod *method, MonoDeclSecurityActions* klass, MonoDeclSecurityActions *cmethod)
2538 MonoBoolean result = FALSE;
2541 /* quick exit if no declarative security is present in the metadata */
2542 if (!method->klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2545 /* we want the original as the wrapper is "free" of the security informations */
2546 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE || method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
2547 method = mono_marshal_method_from_wrapper (method);
2552 /* results are independant - zeroize both */
2553 memset (cmethod, 0, sizeof (MonoDeclSecurityActions));
2554 memset (klass, 0, sizeof (MonoDeclSecurityActions));
2556 /* First we look for method-level attributes */
2557 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2558 mono_class_init (method->klass);
2560 result = mono_declsec_get_method_demands_params (method, cmethod,
2561 SECURITY_ACTION_LINKDEMAND, SECURITY_ACTION_NONCASLINKDEMAND, SECURITY_ACTION_LINKDEMANDCHOICE);
2564 /* Here we use (or create) the class declarative cache to look for demands */
2565 flags = mono_declsec_flags_from_class (method->klass);
2566 if (flags & (MONO_DECLSEC_FLAG_LINKDEMAND | MONO_DECLSEC_FLAG_NONCAS_LINKDEMAND | MONO_DECLSEC_FLAG_LINKDEMAND_CHOICE)) {
2567 mono_class_init (method->klass);
2569 result |= mono_declsec_get_class_demands_params (method->klass, klass,
2570 SECURITY_ACTION_LINKDEMAND, SECURITY_ACTION_NONCASLINKDEMAND, SECURITY_ACTION_LINKDEMANDCHOICE);
2577 * Collect all Inherit actions: InheritanceDemand, NonCasInheritanceDemand and InheritanceDemandChoice (2.0).
2579 * @klass The inherited class - this is the class that provides the security check (attributes)
2581 * return TRUE if inheritance demands (any kind) are present, FALSE otherwise.
2583 * Note: Don't use the content of actions if the function return FALSE.
2586 mono_declsec_get_inheritdemands_class (MonoClass *klass, MonoDeclSecurityActions* demands)
2588 MonoBoolean result = FALSE;
2591 /* quick exit if no declarative security is present in the metadata */
2592 if (!klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2595 /* Here we use (or create) the class declarative cache to look for demands */
2596 flags = mono_declsec_flags_from_class (klass);
2597 if (flags & (MONO_DECLSEC_FLAG_INHERITANCEDEMAND | MONO_DECLSEC_FLAG_NONCAS_INHERITANCEDEMAND | MONO_DECLSEC_FLAG_INHERITANCEDEMAND_CHOICE)) {
2598 mono_class_init (klass);
2599 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2601 result |= mono_declsec_get_class_demands_params (klass, demands,
2602 SECURITY_ACTION_INHERITDEMAND, SECURITY_ACTION_NONCASINHERITANCE, SECURITY_ACTION_INHERITDEMANDCHOICE);
2609 * Collect all Inherit actions: InheritanceDemand, NonCasInheritanceDemand and InheritanceDemandChoice (2.0).
2611 * Note: Don't use the content of actions if the function return FALSE.
2614 mono_declsec_get_inheritdemands_method (MonoMethod *method, MonoDeclSecurityActions* demands)
2616 /* quick exit if no declarative security is present in the metadata */
2617 if (!method->klass->image->tables [MONO_TABLE_DECLSECURITY].rows)
2620 /* we want the original as the wrapper is "free" of the security informations */
2621 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE || method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
2622 method = mono_marshal_method_from_wrapper (method);
2627 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2628 mono_class_init (method->klass);
2629 memset (demands, 0, sizeof (MonoDeclSecurityActions));
2631 return mono_declsec_get_method_demands_params (method, demands,
2632 SECURITY_ACTION_INHERITDEMAND, SECURITY_ACTION_NONCASINHERITANCE, SECURITY_ACTION_INHERITDEMANDCHOICE);
2639 get_declsec_action (MonoImage *image, guint32 token, guint32 action, MonoDeclSecurityEntry *entry)
2641 guint32 cols [MONO_DECL_SECURITY_SIZE];
2645 int index = mono_metadata_declsec_from_index (image, token);
2649 t = &image->tables [MONO_TABLE_DECLSECURITY];
2650 for (i = index; i < t->rows; i++) {
2651 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2653 /* shortcut - index are ordered */
2654 if (token != cols [MONO_DECL_SECURITY_PARENT])
2657 if (cols [MONO_DECL_SECURITY_ACTION] == action) {
2658 const char *metadata = mono_metadata_blob_heap (image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2659 entry->blob = (char*) (metadata + 2);
2660 entry->size = mono_metadata_decode_blob_size (metadata, &metadata);
2669 mono_declsec_get_method_action (MonoMethod *method, guint32 action, MonoDeclSecurityEntry *entry)
2671 if (method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) {
2672 guint32 idx = mono_method_get_index (method);
2673 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2674 idx |= MONO_HAS_DECL_SECURITY_METHODDEF;
2675 return get_declsec_action (method->klass->image, idx, action, entry);
2681 mono_declsec_get_class_action (MonoClass *klass, guint32 action, MonoDeclSecurityEntry *entry)
2684 guint32 flags = mono_declsec_flags_from_class (klass);
2685 if (declsec_flags_map [action] & flags) {
2686 guint32 idx = mono_metadata_token_index (klass->type_token);
2687 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2688 idx |= MONO_HAS_DECL_SECURITY_TYPEDEF;
2689 return get_declsec_action (klass->image, idx, action, entry);
2695 mono_declsec_get_assembly_action (MonoAssembly *assembly, guint32 action, MonoDeclSecurityEntry *entry)
2697 guint32 idx = 1; /* there is only one assembly */
2698 idx <<= MONO_HAS_DECL_SECURITY_BITS;
2699 idx |= MONO_HAS_DECL_SECURITY_ASSEMBLY;
2701 return get_declsec_action (assembly->image, idx, action, entry);
2705 mono_reflection_call_is_assignable_to (MonoClass *klass, MonoClass *oklass, MonoError *error)
2707 MonoObject *res, *exc;
2709 static MonoMethod *method = NULL;
2711 mono_error_init (error);
2713 if (method == NULL) {
2714 method = mono_class_get_method_from_name (mono_class_get_type_builder_class (), "IsAssignableTo", 1);
2719 * The result of mono_type_get_object_checked () might be a System.MonoType but we
2720 * need a TypeBuilder so use mono_class_get_ref_info (klass).
2722 g_assert (mono_class_get_ref_info (klass));
2723 g_assert (!strcmp (((MonoObject*)(mono_class_get_ref_info (klass)))->vtable->klass->name, "TypeBuilder"));
2725 params [0] = mono_type_get_object_checked (mono_domain_get (), &oklass->byval_arg, error);
2726 return_val_if_nok (error, FALSE);
2728 MonoError inner_error;
2729 res = mono_runtime_try_invoke (method, (MonoObject*)(mono_class_get_ref_info (klass)), params, &exc, &inner_error);
2731 if (exc || !is_ok (&inner_error)) {
2732 mono_error_cleanup (&inner_error);
2735 return *(MonoBoolean*)mono_object_unbox (res);
2739 * mono_reflection_type_get_type:
2740 * @reftype: the System.Type object
2742 * Returns the MonoType* associated with the C# System.Type object @reftype.
2745 mono_reflection_type_get_type (MonoReflectionType *reftype)
2750 MonoType *result = mono_reflection_type_get_handle (reftype, &error);
2751 mono_error_assert_ok (&error);
2756 * mono_reflection_assembly_get_assembly:
2757 * @refassembly: the System.Reflection.Assembly object
2759 * Returns the MonoAssembly* associated with the C# System.Reflection.Assembly object @refassembly.
2762 mono_reflection_assembly_get_assembly (MonoReflectionAssembly *refassembly)
2764 g_assert (refassembly);
2766 return refassembly->assembly;
2770 * mono_class_from_mono_type_handle:
2771 * @reftype: the System.Type handle
2773 * Returns the MonoClass* corresponding to the given type.
2776 mono_class_from_mono_type_handle (MonoReflectionTypeHandle reftype)
2778 return mono_class_from_mono_type (MONO_HANDLE_RAW (reftype)->type);