2 * class.c: Class management for the Mono runtime
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001-2006 Novell, Inc.
16 #include <mono/metadata/image.h>
17 #include <mono/metadata/assembly.h>
18 #include <mono/metadata/cil-coff.h>
19 #include <mono/metadata/metadata.h>
20 #include <mono/metadata/metadata-internals.h>
21 #include <mono/metadata/tabledefs.h>
22 #include <mono/metadata/tokentype.h>
23 #include <mono/metadata/class-internals.h>
24 #include <mono/metadata/object.h>
25 #include <mono/metadata/appdomain.h>
26 #include <mono/metadata/mono-endian.h>
27 #include <mono/metadata/debug-helpers.h>
28 #include <mono/metadata/reflection.h>
29 #include <mono/metadata/exception.h>
30 #include <mono/metadata/security-manager.h>
31 #include <mono/os/gc_wrapper.h>
32 #include <mono/utils/mono-counters.h>
36 gboolean mono_print_vtable = FALSE;
38 /* Function supplied by the runtime to find classes by name using information from the AOT file */
39 static MonoGetClassFromName get_class_from_name = NULL;
41 static MonoClass * mono_class_create_from_typedef (MonoImage *image, guint32 type_token);
42 static void mono_class_create_generic (MonoInflatedGenericClass *gclass);
43 static gboolean mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res);
45 void (*mono_debugger_start_class_init_func) (MonoClass *klass) = NULL;
46 void (*mono_debugger_class_init_func) (MonoClass *klass) = NULL;
49 * mono_class_from_typeref:
51 * @type_token: a TypeRef token
53 * Creates the MonoClass* structure representing the type defined by
54 * the typeref token valid inside @image.
55 * Returns: the MonoClass* representing the typeref token, NULL ifcould
59 mono_class_from_typeref (MonoImage *image, guint32 type_token)
61 guint32 cols [MONO_TYPEREF_SIZE];
62 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
64 const char *name, *nspace;
66 MonoAssembly **references;
68 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
70 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
71 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
73 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
74 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
75 case MONO_RESOLTION_SCOPE_MODULE:
77 g_error ("null ResolutionScope not yet handled");
78 /* a typedef in disguise */
79 return mono_class_from_name (image, nspace, name);
80 case MONO_RESOLTION_SCOPE_MODULEREF:
81 if (image->modules [idx-1])
82 return mono_class_from_name (image->modules [idx - 1], nspace, name);
84 char *msg = g_strdup_printf ("%s%s%s", nspace, nspace [0] ? "." : "", name);
87 human_name = mono_stringify_assembly_name (&image->assembly->aname);
88 mono_loader_set_error_type_load (msg, human_name);
94 case MONO_RESOLTION_SCOPE_TYPEREF: {
95 MonoClass *enclosing = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | idx);
98 if (enclosing->inited) {
99 /* Micro-optimization: don't scan the metadata tables if enclosing is already inited */
100 for (tmp = enclosing->nested_classes; tmp; tmp = tmp->next) {
102 if (strcmp (res->name, name) == 0)
106 /* Don't call mono_class_init as we might've been called by it recursively */
107 int i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, 1);
109 guint32 class_nested = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, MONO_NESTED_CLASS_NESTED);
110 guint32 string_offset = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_TYPEDEF], class_nested - 1, MONO_TYPEDEF_NAME);
111 const char *nname = mono_metadata_string_heap (enclosing->image, string_offset);
113 if (strcmp (nname, name) == 0)
114 return mono_class_create_from_typedef (enclosing->image, MONO_TOKEN_TYPE_DEF | class_nested);
116 i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, i + 1);
119 g_warning ("TypeRef ResolutionScope not yet handled (%d)", idx);
122 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
126 references = image->references;
127 if (!references [idx - 1])
128 mono_assembly_load_reference (image, idx - 1);
129 /* If this assert fails, it probably means that you haven't installed an assembly load/search hook */
130 g_assert (references == image->references);
131 g_assert (references [idx - 1]);
133 /* If the assembly did not load, register this as a type load exception */
134 if (references [idx - 1] == REFERENCE_MISSING){
135 MonoAssemblyName aname;
138 mono_assembly_get_assemblyref (image, idx - 1, &aname);
139 human_name = mono_stringify_assembly_name (&aname);
140 mono_loader_set_error_assembly_load (human_name, image->assembly->ref_only);
146 return mono_class_from_name (references [idx - 1]->image, nspace, name);
149 static inline MonoType*
150 dup_type (MonoType* t, const MonoType *original)
152 MonoType *r = g_new0 (MonoType, 1);
154 r->attrs = original->attrs;
155 r->byref = original->byref;
156 if (t->type == MONO_TYPE_PTR)
157 t->data.type = dup_type (t->data.type, original->data.type);
158 else if (t->type == MONO_TYPE_ARRAY)
159 t->data.array = mono_dup_array_type (t->data.array);
160 else if (t->type == MONO_TYPE_FNPTR)
161 t->data.method = mono_metadata_signature_deep_dup (t->data.method);
162 mono_stats.generics_metadata_size += sizeof (MonoType);
166 /* Copy everything mono_metadata_free_array free. */
168 mono_dup_array_type (MonoArrayType *a)
170 a = g_memdup (a, sizeof (MonoArrayType));
172 a->sizes = g_memdup (a->sizes, a->numsizes * sizeof (int));
174 a->lobounds = g_memdup (a->lobounds, a->numlobounds * sizeof (int));
178 /* Copy everything mono_metadata_free_method_signature free. */
180 mono_metadata_signature_deep_dup (MonoMethodSignature *sig)
184 sig = mono_metadata_signature_dup (sig);
186 sig->ret = dup_type (sig->ret, sig->ret);
187 for (i = 0; i < sig->param_count; ++i)
188 sig->params [i] = dup_type (sig->params [i], sig->params [i]);
194 _mono_type_get_assembly_name (MonoClass *klass, GString *str)
196 MonoAssembly *ta = klass->image->assembly;
198 g_string_append_printf (
199 str, ", %s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s",
201 ta->aname.major, ta->aname.minor, ta->aname.build, ta->aname.revision,
202 ta->aname.culture && *ta->aname.culture? ta->aname.culture: "neutral",
203 ta->aname.public_key_token [0] ? (char *)ta->aname.public_key_token : "null");
207 mono_type_get_name_recurse (MonoType *type, GString *str, gboolean is_recursed,
208 MonoTypeNameFormat format)
212 switch (type->type) {
213 case MONO_TYPE_ARRAY: {
214 int i, rank = type->data.array->rank;
215 MonoTypeNameFormat nested_format;
217 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
218 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
220 mono_type_get_name_recurse (
221 &type->data.array->eklass->byval_arg, str, FALSE, nested_format);
222 g_string_append_c (str, '[');
224 g_string_append_c (str, '*');
225 for (i = 1; i < rank; i++)
226 g_string_append_c (str, ',');
227 g_string_append_c (str, ']');
228 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
229 _mono_type_get_assembly_name (type->data.array->eklass, str);
232 case MONO_TYPE_SZARRAY: {
233 MonoTypeNameFormat nested_format;
235 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
236 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
238 mono_type_get_name_recurse (
239 &type->data.klass->byval_arg, str, FALSE, nested_format);
240 g_string_append (str, "[]");
241 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
242 _mono_type_get_assembly_name (type->data.klass, str);
245 case MONO_TYPE_PTR: {
246 MonoTypeNameFormat nested_format;
248 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
249 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
251 mono_type_get_name_recurse (
252 type->data.type, str, FALSE, nested_format);
253 g_string_append (str, "*");
254 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
255 _mono_type_get_assembly_name (type->data.klass, str);
260 g_assert (type->data.generic_param->name);
261 g_string_append (str, type->data.generic_param->name);
264 klass = mono_class_from_mono_type (type);
265 if (klass->nested_in) {
266 mono_type_get_name_recurse (
267 &klass->nested_in->byval_arg, str, TRUE, format);
268 if (format == MONO_TYPE_NAME_FORMAT_IL)
269 g_string_append_c (str, '.');
271 g_string_append_c (str, '+');
272 } else if (*klass->name_space) {
273 g_string_append (str, klass->name_space);
274 g_string_append_c (str, '.');
276 if (format == MONO_TYPE_NAME_FORMAT_IL) {
277 char *s = strchr (klass->name, '`');
278 int len = s ? s - klass->name : strlen (klass->name);
280 g_string_append_len (str, klass->name, len);
282 g_string_append (str, klass->name);
285 if (klass->generic_class) {
286 MonoGenericClass *gclass = klass->generic_class;
287 MonoTypeNameFormat nested_format;
290 nested_format = format == MONO_TYPE_NAME_FORMAT_FULL_NAME ?
291 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED : format;
293 if (format == MONO_TYPE_NAME_FORMAT_IL)
294 g_string_append_c (str, '<');
296 g_string_append_c (str, '[');
297 for (i = 0; i < gclass->inst->type_argc; i++) {
298 MonoType *t = gclass->inst->type_argv [i];
301 g_string_append_c (str, ',');
302 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
303 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
304 g_string_append_c (str, '[');
305 mono_type_get_name_recurse (
306 gclass->inst->type_argv [i], str, FALSE, nested_format);
307 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
308 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
309 g_string_append_c (str, ']');
311 if (format == MONO_TYPE_NAME_FORMAT_IL)
312 g_string_append_c (str, '>');
314 g_string_append_c (str, ']');
315 } else if (klass->generic_container &&
316 (format != MONO_TYPE_NAME_FORMAT_FULL_NAME) &&
317 (format != MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)) {
320 if (format == MONO_TYPE_NAME_FORMAT_IL)
321 g_string_append_c (str, '<');
323 g_string_append_c (str, '[');
324 for (i = 0; i < klass->generic_container->type_argc; i++) {
326 g_string_append_c (str, ',');
327 g_string_append (str, klass->generic_container->type_params [i].name);
329 if (format == MONO_TYPE_NAME_FORMAT_IL)
330 g_string_append_c (str, '>');
332 g_string_append_c (str, ']');
334 if ((format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
335 (type->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
336 _mono_type_get_assembly_name (klass, str);
342 * mono_type_get_name:
344 * @format: the format for the return string.
347 * Returns: the string representation in a number of formats:
349 * if format is MONO_TYPE_NAME_FORMAT_REFLECTION, the return string is
350 * returned in the formatrequired by System.Reflection, this is the
351 * inverse of mono_reflection_parse_type ().
353 * if format is MONO_TYPE_NAME_FORMAT_IL, it returns a syntax that can
354 * be used by the IL assembler.
356 * if format is MONO_TYPE_NAME_FORMAT_FULL_NAME
358 * if format is MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
361 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format)
365 result = g_string_new ("");
367 mono_type_get_name_recurse (type, result, FALSE, format);
370 g_string_append_c (result, '&');
372 return g_string_free (result, FALSE);
376 * mono_type_get_full_name:
379 * Returns: the string representation for type as required by System.Reflection.
380 * The inverse of mono_reflection_parse_type ().
383 mono_type_get_full_name (MonoClass *class)
385 return mono_type_get_name_full (mono_class_get_type (class), MONO_TYPE_NAME_FORMAT_REFLECTION);
389 * mono_type_get_name:
392 * Returns: the string representation for type as it would be represented in IL code.
395 mono_type_get_name (MonoType *type)
397 return mono_type_get_name_full (type, MONO_TYPE_NAME_FORMAT_IL);
401 * mono_type_get_underlying_type:
404 * Returns: the MonoType for the underlying interger type if @type
405 * is an enum, otherwise the type itself.
408 mono_type_get_underlying_type (MonoType *type)
410 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype)
411 return type->data.klass->enum_basetype;
416 * mono_class_is_open_constructed_type:
419 * Returns TRUE if type represents a generics open constructed type
420 * (not all the type parameters required for the instantiation have
424 mono_class_is_open_constructed_type (MonoType *t)
430 case MONO_TYPE_SZARRAY:
431 return mono_class_is_open_constructed_type (&t->data.klass->byval_arg);
432 case MONO_TYPE_ARRAY:
433 return mono_class_is_open_constructed_type (&t->data.array->eklass->byval_arg);
435 return mono_class_is_open_constructed_type (t->data.type);
436 case MONO_TYPE_GENERICINST: {
437 MonoGenericClass *gclass = t->data.generic_class;
440 if (mono_class_is_open_constructed_type (&gclass->container_class->byval_arg))
442 for (i = 0; i < gclass->inst->type_argc; i++)
443 if (mono_class_is_open_constructed_type (gclass->inst->type_argv [i]))
452 static MonoGenericClass *
453 inflate_generic_class (MonoGenericClass *ogclass, MonoGenericContext *context)
455 MonoInflatedGenericClass *igclass;
456 MonoGenericClass *ngclass, *cached;
457 MonoGenericInst *ninst;
459 ninst = mono_metadata_inflate_generic_inst (ogclass->inst, context);
460 if (ninst == ogclass->inst)
463 if (ogclass->is_dynamic) {
464 MonoDynamicGenericClass *dgclass = g_new0 (MonoDynamicGenericClass, 1);
465 igclass = &dgclass->generic_class;
466 ngclass = &igclass->generic_class;
467 ngclass->is_inflated = 1;
468 ngclass->is_dynamic = 1;
470 igclass = g_new0 (MonoInflatedGenericClass, 1);
471 ngclass = &igclass->generic_class;
472 ngclass->is_inflated = 1;
477 ngclass->inst = ninst;
479 igclass->klass = NULL;
481 ngclass->context = g_new0 (MonoGenericContext, 1);
482 ngclass->context->container = ngclass->container_class->generic_container;
483 ngclass->context->gclass = ngclass;
486 cached = mono_metadata_lookup_generic_class (ngclass);
487 mono_loader_unlock ();
489 g_free (ngclass->context);
498 inflate_generic_type (MonoType *type, MonoGenericContext *context)
500 switch (type->type) {
501 case MONO_TYPE_MVAR: {
502 int num = type->data.generic_param->num;
503 MonoGenericInst *inst = context->gmethod ? context->gmethod->inst : NULL;
504 if (!inst || !inst->type_argv)
506 if (num >= inst->type_argc)
507 g_error ("MVAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
508 return dup_type (inst->type_argv [num], type);
510 case MONO_TYPE_VAR: {
511 int num = type->data.generic_param->num;
512 MonoGenericInst *inst = context->gclass ? context->gclass->inst : NULL;
515 if (num >= inst->type_argc)
516 g_error ("VAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
517 return dup_type (inst->type_argv [num], type);
519 case MONO_TYPE_SZARRAY: {
520 MonoClass *eclass = type->data.klass;
521 MonoType *nt, *inflated = inflate_generic_type (&eclass->byval_arg, context);
524 nt = dup_type (type, type);
525 nt->data.klass = mono_class_from_mono_type (inflated);
528 case MONO_TYPE_ARRAY: {
529 MonoClass *eclass = type->data.array->eklass;
530 MonoType *nt, *inflated = inflate_generic_type (&eclass->byval_arg, context);
533 nt = dup_type (type, type);
534 nt->data.array = g_memdup (nt->data.array, sizeof (MonoArrayType));
535 nt->data.array->eklass = mono_class_from_mono_type (inflated);
538 case MONO_TYPE_GENERICINST: {
539 MonoGenericClass *gclass = type->data.generic_class;
541 if (!gclass->inst->is_open)
543 gclass = inflate_generic_class (gclass, context);
544 if (gclass == type->data.generic_class)
546 nt = dup_type (type, type);
547 nt->data.generic_class = gclass;
550 case MONO_TYPE_CLASS:
551 case MONO_TYPE_VALUETYPE: {
552 MonoClass *klass = type->data.klass;
553 MonoGenericClass *gclass;
556 if (!klass->generic_container)
558 gclass = inflate_generic_class (klass->generic_container->context.gclass, context);
559 if (gclass == klass->generic_container->context.gclass)
561 nt = dup_type (type, type);
562 nt->type = MONO_TYPE_GENERICINST;
563 nt->data.generic_class = gclass;
572 MonoInflatedGenericClass*
573 mono_get_inflated_generic_class (MonoGenericClass *gclass)
575 g_assert (gclass->is_inflated);
576 mono_class_create_generic ((MonoInflatedGenericClass *) gclass);
577 return (MonoInflatedGenericClass *) gclass;
581 * mono_class_inflate_generic_type:
583 * @context: a generics context
585 * Instantiate the generic type @type, using the generics context @context.
587 * Returns: the instantiated type
590 mono_class_inflate_generic_type (MonoType *type, MonoGenericContext *context)
592 MonoType *inflated = inflate_generic_type (type, context);
595 return dup_type (type, type);
597 mono_stats.inflated_type_count++;
601 static MonoGenericContext *
602 inflate_generic_context (MonoGenericContext *context, MonoGenericContext *inflate_with)
604 MonoGenericClass *gclass = NULL;
605 MonoGenericMethod *gmethod = NULL;
606 MonoGenericContext *res;
609 gclass = inflate_generic_class (context->gclass, inflate_with);
611 if (context->gmethod) {
612 MonoGenericInst *ninst = mono_metadata_inflate_generic_inst (context->gmethod->inst, inflate_with);
613 if (gclass == context->gclass && ninst == context->gmethod->inst) {
614 gmethod = context->gmethod;
616 gmethod = g_new0 (MonoGenericMethod, 1);
617 gmethod->generic_class = gclass;
618 gmethod->container = context->container;
619 gmethod->inst = ninst;
623 if (gclass == context->gclass && gmethod == context->gmethod)
626 res = g_new0 (MonoGenericContext, 1);
628 res->container = gmethod ? gmethod->container : context->container;
629 res->gclass = gclass;
630 res->gmethod = gmethod;
636 * mono_class_inflate_generic_method:
637 * @method: a generic method
638 * @context: a generics context
640 * Instantiate the generic method @method using the generics context @context.
642 * Returns: the new instantiated method
645 mono_class_inflate_generic_method (MonoMethod *method, MonoGenericContext *context)
647 return mono_class_inflate_generic_method_full (method, NULL, context);
651 * mono_class_inflate_generic_method:
653 * Instantiate method @method with the generic context @context.
654 * BEWARE: All non-trivial fields are invalid, including klass, signature, and header.
655 * Use mono_get_inflated_method (), mono_method_signature () and mono_method_get_header () to get the correct values.
658 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context)
661 MonoMethodInflated *iresult;
662 MonoMethodSignature *sig;
664 /* The `method' has already been instantiated before -> we need to create a new context. */
665 while (method->is_inflated) {
666 MonoMethodInflated *imethod = (MonoMethodInflated *) method;
667 context = inflate_generic_context (imethod->context, context);
668 if (context == imethod->context)
670 method = imethod->declaring;
673 if (!method->generic_container && !method->klass->generic_container)
676 mono_stats.inflated_method_count++;
677 iresult = g_new0 (MonoMethodInflated, 1);
679 sig = mono_method_signature (method);
681 iresult->method.pinvoke = *(MonoMethodPInvoke*)method;
683 iresult->method.normal = *(MonoMethodNormal*)method;
684 iresult->method.normal.header = NULL;
687 result = (MonoMethod *) iresult;
688 result->is_inflated = 1;
689 result->signature = NULL;
690 iresult->context = context;
691 iresult->declaring = method;
693 if (!klass_hint || !klass_hint->generic_class ||
694 klass_hint->generic_class->container_class != method->klass ||
695 klass_hint->generic_class->inst != context->gclass->inst)
698 if (method->klass->generic_container)
699 result->klass = klass_hint;
701 if (!result->klass) {
702 MonoType *inflated = inflate_generic_type (&method->klass->byval_arg, context);
703 result->klass = inflated ? mono_class_from_mono_type (inflated) : method->klass;
706 if (method->generic_container && !context->gmethod) {
707 MonoGenericMethod *gmethod = g_memdup (method->generic_container->context.gmethod, sizeof (*gmethod));
708 gmethod->generic_class = result->klass->generic_class;
710 context = g_new0 (MonoGenericContext, 1);
711 context->container = method->generic_container;
712 context->gclass = result->klass->generic_class;
713 context->gmethod = gmethod;
715 iresult->context = context;
722 * mono_get_inflated_method:
724 * For performance reasons, mono_class_inflate_generic_method() does not actually instantiate the
725 * method, it just "prepares" it for that. If you really need to fully instantiate the method
726 * (including its signature and header), call this method.
727 * FIXME: Martin? this description looks completely wrong.
730 mono_get_inflated_method (MonoMethod *method)
736 * mono_class_find_enum_basetype:
737 * @class: The enum class
739 * Determine the basetype of an enum by iterating through its fields. We do this
740 * in a separate function since it is cheaper than calling mono_class_setup_fields.
743 mono_class_find_enum_basetype (MonoClass *class)
745 MonoImage *m = class->image;
746 const int top = class->field.count;
749 g_assert (class->enumtype);
752 * Fetch all the field information.
754 for (i = 0; i < top; i++){
756 guint32 cols [MONO_FIELD_SIZE];
757 int idx = class->field.first + i;
758 MonoGenericContainer *container = NULL;
761 /* class->field.first and idx points into the fieldptr table */
762 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
763 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
764 mono_metadata_decode_value (sig, &sig);
765 /* FIELD signature == 0x06 */
766 g_assert (*sig == 0x06);
767 if (class->generic_container)
768 container = class->generic_container;
769 else if (class->generic_class) {
770 MonoClass *gklass = class->generic_class->container_class;
772 container = gklass->generic_container;
773 g_assert (container);
775 ftype = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
778 if (class->generic_class) {
779 ftype = mono_class_inflate_generic_type (ftype, class->generic_class->context);
780 ftype->attrs = cols [MONO_FIELD_FLAGS];
783 if (class->enumtype && !(cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_STATIC))
791 * mono_class_setup_fields:
792 * @class: The class to initialize
794 * Initializes the class->fields.
795 * LOCKING: Assumes the loader lock is held.
798 mono_class_setup_fields (MonoClass *class)
800 MonoImage *m = class->image;
801 int top = class->field.count;
802 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
803 int i, blittable = TRUE;
804 guint32 real_size = 0;
805 guint32 packing_size = 0;
806 gboolean explicit_size;
807 MonoClassField *field;
808 MonoGenericContainer *container = NULL;
809 MonoClass *gklass = NULL;
811 if (class->size_inited)
814 if (class->generic_class) {
815 MonoClass *gklass = class->generic_class->container_class;
816 mono_class_setup_fields (gklass);
817 top = gklass->field.count;
820 class->instance_size = 0;
822 class->sizes.class_size = 0;
825 /* For generic instances, class->parent might not have been initialized */
826 mono_class_init (class->parent);
827 if (!class->parent->size_inited)
828 mono_class_setup_fields (class->parent);
829 class->instance_size += class->parent->instance_size;
830 class->min_align = class->parent->min_align;
831 /* we use |= since it may have been set already */
832 class->has_references |= class->parent->has_references;
833 blittable = class->parent->blittable;
835 class->instance_size = sizeof (MonoObject);
836 class->min_align = 1;
839 /* Get the real size */
840 explicit_size = mono_metadata_packing_from_typedef (class->image, class->type_token, &packing_size, &real_size);
843 g_assert ((packing_size & 0xfffffff0) == 0);
844 class->packing_size = packing_size;
845 real_size += class->instance_size;
849 if (explicit_size && real_size) {
850 class->instance_size = MAX (real_size, class->instance_size);
852 class->size_inited = 1;
853 class->blittable = blittable;
857 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT)
860 /* Prevent infinite loops if the class references itself */
861 class->size_inited = 1;
863 class->fields = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClassField) * top);
865 if (class->generic_container) {
866 container = class->generic_container;
867 } else if (class->generic_class) {
868 gklass = class->generic_class->container_class;
869 container = gklass->generic_container;
870 g_assert (container);
872 mono_class_setup_fields (gklass);
876 * Fetch all the field information.
878 for (i = 0; i < top; i++){
879 int idx = class->field.first + i;
880 field = &class->fields [i];
882 field->parent = class;
884 if (class->generic_class) {
885 MonoClassField *gfield = &gklass->fields [i];
886 MonoInflatedField *ifield = g_new0 (MonoInflatedField, 1);
888 ifield->generic_type = gfield->type;
889 field->name = gfield->name;
890 field->generic_info = ifield;
891 field->type = mono_class_inflate_generic_type (gfield->type, class->generic_class->context);
892 field->type->attrs = gfield->type->attrs;
893 if (mono_field_is_deleted (field))
895 field->offset = gfield->offset;
896 field->data = gfield->data;
900 guint32 cols [MONO_FIELD_SIZE];
902 /* class->field.first and idx points into the fieldptr table */
903 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
904 /* The name is needed for fieldrefs */
905 field->name = mono_metadata_string_heap (m, cols [MONO_FIELD_NAME]);
906 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
907 mono_metadata_decode_value (sig, &sig);
908 /* FIELD signature == 0x06 */
909 g_assert (*sig == 0x06);
910 field->type = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
912 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
915 if (mono_field_is_deleted (field))
917 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
919 mono_metadata_field_info (m, idx, &offset, NULL, NULL);
920 field->offset = offset;
921 if (field->offset == (guint32)-1 && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
922 g_warning ("%s not initialized correctly (missing field layout info for %s)",
923 class->name, field->name);
926 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA) {
927 mono_metadata_field_info (m, idx, NULL, &rva, NULL);
929 g_warning ("field %s in %s should have RVA data, but hasn't", field->name, class->name);
930 field->data = mono_image_rva_map (class->image, rva);
934 /* Only do these checks if we still think this type is blittable */
935 if (blittable && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
936 if (field->type->byref || MONO_TYPE_IS_REFERENCE (field->type)) {
939 MonoClass *field_class = mono_class_from_mono_type (field->type);
940 if (!field_class || !field_class->blittable)
945 if (class->enumtype && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
946 class->enum_basetype = field->type;
947 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
948 blittable = class->element_class->blittable;
951 /* The def_value of fields is compute lazily during vtable creation */
954 if (class == mono_defaults.string_class)
957 class->blittable = blittable;
959 if (class->enumtype && !class->enum_basetype) {
960 if (!((strcmp (class->name, "Enum") == 0) && (strcmp (class->name_space, "System") == 0)))
963 if (explicit_size && real_size) {
964 class->instance_size = MAX (real_size, class->instance_size);
967 if (class->exception_type)
969 mono_class_layout_fields (class);
973 * mono_class_setup_fields_locking:
974 * @class: The class to initialize
976 * Initializes the class->fields array of fields.
977 * Aquires the loader lock.
980 mono_class_setup_fields_locking (MonoClass *class)
983 mono_class_setup_fields (class);
984 mono_loader_unlock ();
988 * mono_class_has_references:
990 * Returns whenever @klass->has_references is set, initializing it if needed.
991 * Aquires the loader lock.
994 mono_class_has_references (MonoClass *klass)
996 if (klass->init_pending) {
997 /* Be conservative */
1000 mono_class_init (klass);
1002 return klass->has_references;
1006 /* useful until we keep track of gc-references in corlib etc. */
1008 #define IS_GC_REFERENCE(t) FALSE
1010 #define IS_GC_REFERENCE(t) ((t)->type == MONO_TYPE_U || (t)->type == MONO_TYPE_I || (t)->type == MONO_TYPE_PTR)
1014 * mono_class_layout_fields:
1017 * Compute the placement of fields inside an object or struct, according to
1018 * the layout rules and set the following fields in @class:
1019 * - has_references (if the class contains instance references firled or structs that contain references)
1020 * - has_static_refs (same, but for static fields)
1021 * - instance_size (size of the object in memory)
1022 * - class_size (size needed for the static fields)
1023 * - size_inited (flag set when the instance_size is set)
1025 * LOCKING: this is supposed to be called with the loader lock held.
1028 mono_class_layout_fields (MonoClass *class)
1031 const int top = class->field.count;
1032 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1033 guint32 pass, passes, real_size;
1034 gboolean gc_aware_layout = FALSE;
1035 MonoClassField *field;
1037 if (class->generic_container ||
1038 (class->generic_class && class->generic_class->inst->is_open))
1042 * Enable GC aware auto layout: in this mode, reference
1043 * fields are grouped together inside objects, increasing collector
1045 * Requires that all classes whose layout is known to native code be annotated
1046 * with [StructLayout (LayoutKind.Sequential)]
1047 * Value types have gc_aware_layout disabled by default, as per
1048 * what the default is for other runtimes.
1050 /* corlib is missing [StructLayout] directives in many places */
1051 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1052 if (class->image != mono_defaults.corlib &&
1053 class->byval_arg.type != MONO_TYPE_VALUETYPE)
1054 gc_aware_layout = TRUE;
1057 /* Compute klass->has_references */
1059 * Process non-static fields first, since static fields might recursively
1060 * refer to the class itself.
1062 for (i = 0; i < top; i++) {
1065 field = &class->fields [i];
1067 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1068 ftype = mono_type_get_underlying_type (field->type);
1069 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1070 class->has_references = TRUE;
1074 for (i = 0; i < top; i++) {
1077 field = &class->fields [i];
1079 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
1080 ftype = mono_type_get_underlying_type (field->type);
1081 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1082 class->has_static_refs = TRUE;
1086 for (i = 0; i < top; i++) {
1089 field = &class->fields [i];
1091 ftype = mono_type_get_underlying_type (field->type);
1092 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1093 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1094 class->has_static_refs = TRUE;
1096 class->has_references = TRUE;
1101 * Compute field layout and total size (not considering static fields)
1105 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
1106 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
1108 if (gc_aware_layout)
1113 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT)
1117 real_size = class->parent->instance_size;
1119 real_size = sizeof (MonoObject);
1121 for (pass = 0; pass < passes; ++pass) {
1122 for (i = 0; i < top; i++){
1123 guint32 size, align;
1126 field = &class->fields [i];
1128 if (mono_field_is_deleted (field))
1130 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1133 if (gc_aware_layout) {
1135 * We process fields with reference type in the first pass,
1136 * and fields with non-reference type in the second pass.
1137 * We use IS_POINTER instead of IS_REFERENCE because in
1138 * some internal structures, we store GC_MALLOCed memory
1139 * in IntPtr fields...
1141 if (MONO_TYPE_IS_POINTER (field->type)) {
1150 if ((top == 1) && (class->instance_size == sizeof (MonoObject)) &&
1151 (strcmp (field->name, "$PRIVATE$") == 0)) {
1152 /* This field is a hack inserted by MCS to empty structures */
1156 size = mono_type_size (field->type, &align);
1158 /* FIXME (LAMESPEC): should we also change the min alignment according to pack? */
1159 align = class->packing_size ? MIN (class->packing_size, align): align;
1160 /* if the field has managed references, we need to force-align it
1163 ftype = mono_type_get_underlying_type (field->type);
1164 if (MONO_TYPE_IS_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1165 align = sizeof (gpointer);
1167 class->min_align = MAX (align, class->min_align);
1168 field->offset = real_size;
1169 field->offset += align - 1;
1170 field->offset &= ~(align - 1);
1171 real_size = field->offset + size;
1174 class->instance_size = MAX (real_size, class->instance_size);
1176 if (class->instance_size & (class->min_align - 1)) {
1177 class->instance_size += class->min_align - 1;
1178 class->instance_size &= ~(class->min_align - 1);
1182 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
1184 for (i = 0; i < top; i++) {
1185 guint32 size, align;
1188 field = &class->fields [i];
1191 * There must be info about all the fields in a type if it
1192 * uses explicit layout.
1195 if (mono_field_is_deleted (field))
1197 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1200 size = mono_type_size (field->type, &align);
1203 * When we get here, field->offset is already set by the
1204 * loader (for either runtime fields or fields loaded from metadata).
1205 * The offset is from the start of the object: this works for both
1206 * classes and valuetypes.
1208 field->offset += sizeof (MonoObject);
1209 ftype = mono_type_get_underlying_type (field->type);
1210 if (MONO_TYPE_IS_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1211 if (field->offset % sizeof (gpointer)) {
1212 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1219 real_size = MAX (real_size, size + field->offset);
1221 class->instance_size = MAX (real_size, class->instance_size);
1225 if (layout != TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1227 * For small structs, set min_align to at least the struct size, since the
1228 * JIT memset/memcpy code assumes this and generates unaligned accesses
1229 * otherwise. See #78990 for a testcase.
1231 if (class->instance_size <= sizeof (MonoObject) + sizeof (gpointer))
1232 class->min_align = MAX (class->min_align, class->instance_size - sizeof (MonoObject));
1235 class->size_inited = 1;
1238 * Compute static field layout and size
1240 for (i = 0; i < top; i++){
1241 guint32 size, align;
1243 field = &class->fields [i];
1245 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC) || field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
1247 if (mono_field_is_deleted (field))
1250 size = mono_type_size (field->type, &align);
1251 field->offset = class->sizes.class_size;
1252 field->offset += align - 1;
1253 field->offset &= ~(align - 1);
1254 class->sizes.class_size = field->offset + size;
1259 * mono_class_setup_methods:
1262 * Initializes the 'methods' array in the klass.
1263 * Calling this method should be avoided if possible since it allocates a lot
1264 * of long-living MonoMethod structures.
1265 * Methods belonging to an interface are assigned a sequential slot starting
1269 mono_class_setup_methods (MonoClass *class)
1272 MonoMethod **methods;
1277 mono_loader_lock ();
1279 if (class->methods) {
1280 mono_loader_unlock ();
1284 //printf ("INIT: %s.%s\n", class->name_space, class->name);
1286 if (!class->methods) {
1287 methods = mono_mempool_alloc (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
1288 for (i = 0; i < class->method.count; ++i) {
1289 int idx = mono_metadata_translate_token_index (class->image, MONO_TABLE_METHOD, class->method.first + i + 1);
1290 methods [i] = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | idx, class);
1294 if (MONO_CLASS_IS_INTERFACE (class))
1295 for (i = 0; i < class->method.count; ++i)
1296 methods [i]->slot = i;
1298 /* Leave this assignment as the last op in this function */
1299 class->methods = methods;
1301 mono_loader_unlock ();
1306 mono_class_setup_properties (MonoClass *class)
1308 guint startm, endm, i, j;
1309 guint32 cols [MONO_PROPERTY_SIZE];
1310 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1311 MonoProperty *properties;
1314 if (class->properties)
1317 mono_loader_lock ();
1319 if (class->properties) {
1320 mono_loader_unlock ();
1324 class->property.first = mono_metadata_properties_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1325 class->property.count = last - class->property.first;
1327 if (class->property.count)
1328 mono_class_setup_methods (class);
1330 properties = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoProperty) * class->property.count);
1331 for (i = class->property.first; i < last; ++i) {
1332 mono_metadata_decode_table_row (class->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
1333 properties [i - class->property.first].parent = class;
1334 properties [i - class->property.first].attrs = cols [MONO_PROPERTY_FLAGS];
1335 properties [i - class->property.first].name = mono_metadata_string_heap (class->image, cols [MONO_PROPERTY_NAME]);
1337 startm = mono_metadata_methods_from_property (class->image, i, &endm);
1338 for (j = startm; j < endm; ++j) {
1341 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1343 if (class->image->uncompressed_metadata)
1344 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1345 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1347 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1349 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1350 case METHOD_SEMANTIC_SETTER:
1351 properties [i - class->property.first].set = method;
1353 case METHOD_SEMANTIC_GETTER:
1354 properties [i - class->property.first].get = method;
1362 /* Leave this assignment as the last op in the function */
1363 class->properties = properties;
1365 mono_loader_unlock ();
1369 * LOCKING: assumes the loader lock is held.
1372 inflate_event (MonoClass *class, MonoEvent *event, MonoInflatedGenericClass *gclass)
1374 event->parent = class;
1377 MonoMethod *inflated = mono_class_inflate_generic_method_full (
1378 event->add, class, gclass->generic_class.context);
1380 event->add = mono_get_inflated_method (inflated);
1383 if (event->remove) {
1384 MonoMethod *inflated = mono_class_inflate_generic_method_full (
1385 event->remove, class, gclass->generic_class.context);
1387 event->remove = mono_get_inflated_method (inflated);
1391 MonoMethod *inflated = mono_class_inflate_generic_method_full (
1392 event->raise, class, gclass->generic_class.context);
1394 event->raise = mono_get_inflated_method (inflated);
1398 MonoMethod **om = event->other;
1405 event->other = g_new0 (MonoMethod*, count + 1);
1408 MonoMethod *inflated = mono_class_inflate_generic_method_full (
1409 *om, class, gclass->generic_class.context);
1411 event->other [count++] = mono_get_inflated_method (inflated);
1418 mono_class_setup_events (MonoClass *class)
1420 guint startm, endm, i, j;
1421 guint32 cols [MONO_EVENT_SIZE];
1422 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1429 mono_loader_lock ();
1431 if (class->events) {
1432 mono_loader_unlock ();
1436 if (class->generic_class) {
1437 MonoInflatedGenericClass *gclass;
1440 gclass = mono_get_inflated_generic_class (class->generic_class);
1441 gklass = gclass->generic_class.container_class;
1443 mono_class_setup_events (gklass);
1444 class->event = gklass->event;
1446 class->events = g_new0 (MonoEvent, class->event.count);
1448 for (i = 0; i < class->event.count; i++) {
1449 class->events [i] = gklass->events [i];
1450 inflate_event (class, &class->events [i], gclass);
1453 mono_loader_unlock ();
1457 class->event.first = mono_metadata_events_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1458 class->event.count = last - class->event.first;
1460 if (class->event.count)
1461 mono_class_setup_methods (class);
1463 events = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoEvent) * class->event.count);
1464 for (i = class->event.first; i < last; ++i) {
1465 MonoEvent *event = &events [i - class->event.first];
1467 mono_metadata_decode_table_row (class->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
1468 event->parent = class;
1469 event->attrs = cols [MONO_EVENT_FLAGS];
1470 event->name = mono_metadata_string_heap (class->image, cols [MONO_EVENT_NAME]);
1472 startm = mono_metadata_methods_from_event (class->image, i, &endm);
1473 for (j = startm; j < endm; ++j) {
1476 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1478 if (class->image->uncompressed_metadata)
1479 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1480 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1482 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1484 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1485 case METHOD_SEMANTIC_ADD_ON:
1486 event->add = method;
1488 case METHOD_SEMANTIC_REMOVE_ON:
1489 event->remove = method;
1491 case METHOD_SEMANTIC_FIRE:
1492 event->raise = method;
1494 case METHOD_SEMANTIC_OTHER: {
1497 if (event->other == NULL) {
1498 event->other = g_new0 (MonoMethod*, 2);
1500 while (event->other [n])
1502 event->other = g_realloc (event->other, (n + 2) * sizeof (MonoMethod*));
1504 event->other [n] = method;
1505 /* NULL terminated */
1506 event->other [n + 1] = NULL;
1514 /* Leave this assignment as the last op in the function */
1515 class->events = events;
1517 mono_loader_unlock ();
1521 * Global pool of interface IDs, represented as a bitset.
1522 * LOCKING: this is supposed to be accessed with the loader lock held.
1524 static MonoBitSet *global_interface_bitset = NULL;
1527 * mono_unload_interface_ids:
1528 * @bitset: bit set of interface IDs
1530 * When an image is unloaded, the interface IDs associated with
1531 * the image are put back in the global pool of IDs so the numbers
1535 mono_unload_interface_ids (MonoBitSet *bitset)
1537 mono_loader_lock ();
1538 mono_bitset_sub (global_interface_bitset, bitset);
1539 mono_loader_unlock ();
1543 * mono_get_unique_iid:
1546 * Assign a unique integer ID to the interface represented by @class.
1547 * The ID will positive and as small as possible.
1548 * LOCKING: this is supposed to be called with the loader lock held.
1549 * Returns: the new ID.
1552 mono_get_unique_iid (MonoClass *class)
1556 g_assert (MONO_CLASS_IS_INTERFACE (class));
1558 if (!global_interface_bitset) {
1559 global_interface_bitset = mono_bitset_new (128, 0);
1562 iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
1564 int old_size = mono_bitset_size (global_interface_bitset);
1565 MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
1566 mono_bitset_free (global_interface_bitset);
1567 global_interface_bitset = new_set;
1570 mono_bitset_set (global_interface_bitset, iid);
1571 /* set the bit also in the per-image set */
1572 if (class->image->interface_bitset) {
1573 if (iid >= mono_bitset_size (class->image->interface_bitset)) {
1574 MonoBitSet *new_set = mono_bitset_clone (class->image->interface_bitset, iid + 1);
1575 mono_bitset_free (class->image->interface_bitset);
1576 class->image->interface_bitset = new_set;
1579 class->image->interface_bitset = mono_bitset_new (iid + 1, 0);
1581 mono_bitset_set (class->image->interface_bitset, iid);
1583 if (mono_print_vtable) {
1585 char *type_name = mono_type_full_name (&class->byval_arg);
1586 if (class->generic_class && !class->generic_class->inst->is_open) {
1587 generic_id = class->generic_class->inst->id;
1588 g_assert (generic_id != 0);
1592 printf ("Interface: assigned id %d to %s|%s|%d\n", iid, class->image->name, type_name, generic_id);
1596 g_assert (iid <= 65535);
1601 collect_implemented_interfaces_aux (MonoClass *klass, GPtrArray **res)
1606 for (i = 0; i < klass->interface_count; i++) {
1607 ic = klass->interfaces [i];
1610 *res = g_ptr_array_new ();
1611 g_ptr_array_add (*res, ic);
1612 mono_class_init (ic);
1614 collect_implemented_interfaces_aux (ic, res);
1619 mono_class_get_implemented_interfaces (MonoClass *klass)
1621 GPtrArray *res = NULL;
1623 collect_implemented_interfaces_aux (klass, &res);
1627 typedef struct _IOffsetInfo IOffsetInfo;
1628 struct _IOffsetInfo {
1632 int data [MONO_ZERO_LEN_ARRAY];
1635 static IOffsetInfo *cached_offset_info = NULL;
1636 static int next_offset_info_size = 128;
1639 cache_interface_offsets (int max_iid, int *data)
1641 IOffsetInfo *cached_info;
1644 for (cached_info = cached_offset_info; cached_info; cached_info = cached_info->next) {
1645 cached = cached_info->data;
1646 while (cached < cached_info->data + cached_info->size && *cached) {
1647 if (*cached == max_iid) {
1648 int i, matched = TRUE;
1650 for (i = 0; i < max_iid; ++i) {
1651 if (cached [i] != data [i]) {
1660 cached += *cached + 1;
1664 /* find a free slot */
1665 for (cached_info = cached_offset_info; cached_info; cached_info = cached_info->next) {
1666 if (cached_info->size - cached_info->next_free >= max_iid + 1) {
1667 cached = &cached_info->data [cached_info->next_free];
1668 *cached++ = max_iid;
1669 memcpy (cached, data, max_iid * sizeof (int));
1670 cached_info->next_free += max_iid + 1;
1674 /* allocate a new chunk */
1675 if (max_iid + 1 < next_offset_info_size) {
1676 new_size = next_offset_info_size;
1677 if (next_offset_info_size < 4096)
1678 next_offset_info_size += next_offset_info_size >> 2;
1680 new_size = max_iid + 1;
1682 cached_info = g_malloc0 (sizeof (IOffsetInfo) + sizeof (int) * new_size);
1683 cached_info->size = new_size;
1684 /*g_print ("allocated %d offset entries at %p (total: %d)\n", new_size, cached_info->data, offset_info_total_size);*/
1685 cached = &cached_info->data [0];
1686 *cached++ = max_iid;
1687 memcpy (cached, data, max_iid * sizeof (int));
1688 cached_info->next_free += max_iid + 1;
1689 cached_info->next = cached_offset_info;
1690 cached_offset_info = cached_info;
1695 * LOCKING: this is supposed to be called with the loader lock held.
1698 setup_interface_offsets (MonoClass *class, int cur_slot)
1705 /* compute maximum number of slots and maximum interface id */
1707 for (k = class; k ; k = k->parent) {
1708 for (i = 0; i < k->interface_count; i++) {
1709 ic = k->interfaces [i];
1712 mono_class_init (ic);
1714 if (max_iid < ic->interface_id)
1715 max_iid = ic->interface_id;
1717 ifaces = mono_class_get_implemented_interfaces (k);
1719 for (i = 0; i < ifaces->len; ++i) {
1720 ic = g_ptr_array_index (ifaces, i);
1721 if (max_iid < ic->interface_id)
1722 max_iid = ic->interface_id;
1724 g_ptr_array_free (ifaces, TRUE);
1728 if (MONO_CLASS_IS_INTERFACE (class)) {
1729 if (max_iid < class->interface_id)
1730 max_iid = class->interface_id;
1732 class->max_interface_id = max_iid;
1733 /* compute vtable offset for interfaces */
1734 class->interface_offsets = g_malloc (sizeof (int) * (max_iid + 1));
1736 for (i = 0; i <= max_iid; i++)
1737 class->interface_offsets [i] = -1;
1739 ifaces = mono_class_get_implemented_interfaces (class);
1741 for (i = 0; i < ifaces->len; ++i) {
1742 ic = g_ptr_array_index (ifaces, i);
1743 class->interface_offsets [ic->interface_id] = cur_slot;
1744 cur_slot += ic->method.count;
1746 g_ptr_array_free (ifaces, TRUE);
1749 for (k = class->parent; k ; k = k->parent) {
1750 ifaces = mono_class_get_implemented_interfaces (k);
1752 for (i = 0; i < ifaces->len; ++i) {
1753 ic = g_ptr_array_index (ifaces, i);
1755 if (class->interface_offsets [ic->interface_id] == -1) {
1756 int io = k->interface_offsets [ic->interface_id];
1760 class->interface_offsets [ic->interface_id] = io;
1763 g_ptr_array_free (ifaces, TRUE);
1767 if (MONO_CLASS_IS_INTERFACE (class))
1768 class->interface_offsets [class->interface_id] = cur_slot;
1770 cached_data = cache_interface_offsets (max_iid + 1, class->interface_offsets);
1771 g_free (class->interface_offsets);
1772 class->interface_offsets = cached_data;
1778 * Setup interface offsets for interfaces. Used by Ref.Emit.
1781 mono_class_setup_interface_offsets (MonoClass *class)
1783 mono_loader_lock ();
1785 setup_interface_offsets (class, 0);
1787 mono_loader_unlock ();
1791 mono_class_setup_vtable (MonoClass *class)
1793 MonoMethod **overrides;
1794 MonoGenericContext *context;
1802 mono_class_setup_methods (class);
1804 if (MONO_CLASS_IS_INTERFACE (class))
1807 mono_loader_lock ();
1809 if (class->vtable) {
1810 mono_loader_unlock ();
1814 mono_stats.generic_vtable_count ++;
1816 if (class->generic_class) {
1817 context = class->generic_class->context;
1818 type_token = class->generic_class->container_class->type_token;
1820 context = (MonoGenericContext *) class->generic_container;
1821 type_token = class->type_token;
1824 if (class->image->dynamic)
1825 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
1827 /* The following call fails if there are missing methods in the type */
1828 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
1832 mono_class_setup_vtable_general (class, overrides, onum);
1836 mono_loader_unlock ();
1842 * LOCKING: this is supposed to be called with the loader lock held.
1845 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
1848 MonoMethod **vtable;
1849 int i, max_vtsize = 0, max_iid, cur_slot = 0;
1850 GPtrArray *ifaces, *pifaces = NULL;
1851 GHashTable *override_map = NULL;
1852 gboolean security_enabled = mono_is_security_manager_active ();
1857 ifaces = mono_class_get_implemented_interfaces (class);
1859 for (i = 0; i < ifaces->len; i++) {
1860 MonoClass *ic = g_ptr_array_index (ifaces, i);
1861 max_vtsize += ic->method.count;
1863 g_ptr_array_free (ifaces, TRUE);
1866 if (class->parent) {
1867 mono_class_init (class->parent);
1868 mono_class_setup_vtable (class->parent);
1869 max_vtsize += class->parent->vtable_size;
1870 cur_slot = class->parent->vtable_size;
1873 max_vtsize += class->method.count;
1875 vtable = alloca (sizeof (gpointer) * max_vtsize);
1876 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
1878 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
1880 cur_slot = setup_interface_offsets (class, cur_slot);
1881 max_iid = class->max_interface_id;
1883 if (class->parent && class->parent->vtable_size)
1884 memcpy (vtable, class->parent->vtable, sizeof (gpointer) * class->parent->vtable_size);
1886 /* override interface methods */
1887 for (i = 0; i < onum; i++) {
1888 MonoMethod *decl = overrides [i*2];
1889 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
1891 mono_class_setup_methods (decl->klass);
1892 g_assert (decl->slot != -1);
1893 dslot = decl->slot + class->interface_offsets [decl->klass->interface_id];
1894 vtable [dslot] = overrides [i*2 + 1];
1895 vtable [dslot]->slot = dslot;
1897 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
1899 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
1903 for (k = class; k ; k = k->parent) {
1906 ifaces = mono_class_get_implemented_interfaces (k);
1908 nifaces = ifaces->len;
1909 if (k->generic_class) {
1910 pifaces = mono_class_get_implemented_interfaces (
1911 k->generic_class->container_class);
1912 g_assert (pifaces && (pifaces->len == nifaces));
1915 for (i = 0; i < nifaces; i++) {
1916 MonoClass *pic = NULL;
1919 ic = g_ptr_array_index (ifaces, i);
1921 pic = g_ptr_array_index (pifaces, i);
1922 g_assert (ic->interface_id <= k->max_interface_id);
1923 io = k->interface_offsets [ic->interface_id];
1926 g_assert (io <= max_vtsize);
1929 mono_class_setup_methods (ic);
1930 for (l = 0; l < ic->method.count; l++) {
1931 MonoMethod *im = ic->methods [l];
1933 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
1936 for (j = 0; j < class->method.count; ++j) {
1937 MonoMethod *cm = class->methods [j];
1938 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
1939 !((cm->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == METHOD_ATTRIBUTE_PUBLIC) ||
1940 !(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT))
1942 if (!strcmp(cm->name, im->name) &&
1943 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
1945 /* CAS - SecurityAction.InheritanceDemand on interface */
1946 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
1947 mono_secman_inheritancedemand_method (cm, im);
1950 g_assert (io + l <= max_vtsize);
1951 vtable [io + l] = cm;
1956 /* already implemented */
1957 if (io >= k->vtable_size)
1961 for (l = 0; l < ic->method.count; l++) {
1962 MonoMethod *im = ic->methods [l];
1965 g_assert (io + l <= max_vtsize);
1967 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
1970 for (k1 = class; k1; k1 = k1->parent) {
1971 for (j = 0; j < k1->method.count; ++j) {
1972 MonoMethod *cm = k1->methods [j];
1974 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
1975 !(cm->flags & METHOD_ATTRIBUTE_PUBLIC))
1978 if (!strcmp(cm->name, im->name) &&
1979 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
1981 /* CAS - SecurityAction.InheritanceDemand on interface */
1982 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
1983 mono_secman_inheritancedemand_method (cm, im);
1986 g_assert (io + l <= max_vtsize);
1987 vtable [io + l] = cm;
1992 g_assert (io + l <= max_vtsize);
1993 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
1998 for (l = 0; l < ic->method.count; l++) {
1999 MonoMethod *im = ic->methods [l];
2000 char *qname, *fqname, *cname, *the_cname;
2003 if (vtable [io + l])
2007 the_cname = mono_type_get_name_full (&pic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
2011 cname = (char*)ic->name;
2014 qname = g_strconcat (cname, ".", im->name, NULL);
2015 if (ic->name_space && ic->name_space [0])
2016 fqname = g_strconcat (ic->name_space, ".", cname, ".", im->name, NULL);
2020 for (k1 = class; k1; k1 = k1->parent) {
2021 for (j = 0; j < k1->method.count; ++j) {
2022 MonoMethod *cm = k1->methods [j];
2024 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
2027 if (((fqname && !strcmp (cm->name, fqname)) || !strcmp (cm->name, qname)) &&
2028 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2030 /* CAS - SecurityAction.InheritanceDemand on interface */
2031 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2032 mono_secman_inheritancedemand_method (cm, im);
2035 g_assert (io + l <= max_vtsize);
2036 vtable [io + l] = cm;
2047 if (!(class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
2048 for (l = 0; l < ic->method.count; l++) {
2050 MonoMethod *im = ic->methods [l];
2051 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2053 g_assert (io + l <= max_vtsize);
2056 * If one of our parents already implements this interface
2057 * we can inherit the implementation.
2059 if (!(vtable [io + l])) {
2060 MonoClass *parent = class->parent;
2062 for (; parent; parent = parent->parent) {
2063 if ((ic->interface_id <= parent->max_interface_id) &&
2064 (parent->interface_offsets [ic->interface_id] != -1) &&
2066 vtable [io + l] = parent->vtable [parent->interface_offsets [ic->interface_id] + l];
2071 if (!(vtable [io + l])) {
2072 for (j = 0; j < onum; ++j) {
2073 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", io+l, overrides [j*2+1]->name,
2074 overrides [j*2+1]->slot, overrides [j*2]->name, overrides [j*2]->slot);
2076 msig = mono_signature_get_desc (mono_method_signature (im), FALSE);
2077 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
2078 mono_type_get_name (&ic->byval_arg), im->name, msig, class->name_space, class->name);
2080 for (j = 0; j < class->method.count; ++j) {
2081 MonoMethod *cm = class->methods [j];
2082 msig = mono_signature_get_desc (mono_method_signature (cm), TRUE);
2084 printf ("METHOD %s(%s)\n", cm->name, msig);
2087 g_assert_not_reached ();
2092 for (l = 0; l < ic->method.count; l++) {
2093 MonoMethod *im = vtable [io + l];
2096 g_assert (io + l <= max_vtsize);
2098 /* FIXME: why do we need this ? */
2100 /* g_assert_not_reached (); */
2106 g_ptr_array_free (ifaces, TRUE);
2109 for (i = 0; i < class->method.count; ++i) {
2112 cm = class->methods [i];
2115 * Non-virtual method have no place in the vtable.
2116 * This also catches static methods (since they are not virtual).
2118 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
2122 * If the method is REUSE_SLOT, we must check in the
2123 * base class for a method to override.
2125 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2127 for (k = class->parent; k ; k = k->parent) {
2129 for (j = 0; j < k->method.count; ++j) {
2130 MonoMethod *m1 = k->methods [j];
2131 MonoMethodSignature *cmsig, *m1sig;
2133 if (!(m1->flags & METHOD_ATTRIBUTE_VIRTUAL))
2136 cmsig = mono_method_signature (cm);
2137 m1sig = mono_method_signature (m1);
2139 if (!cmsig || !m1sig) {
2140 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2144 if (!strcmp(cm->name, m1->name) &&
2145 mono_metadata_signature_equal (cmsig, m1sig)) {
2147 /* CAS - SecurityAction.InheritanceDemand */
2148 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2149 mono_secman_inheritancedemand_method (cm, m1);
2152 slot = k->methods [j]->slot;
2153 g_assert (cm->slot < max_vtsize);
2155 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
2156 g_hash_table_insert (override_map, m1, cm);
2168 cm->slot = cur_slot++;
2170 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
2171 vtable [cm->slot] = cm;
2174 /* override non interface methods */
2175 for (i = 0; i < onum; i++) {
2176 MonoMethod *decl = overrides [i*2];
2177 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
2178 g_assert (decl->slot != -1);
2179 vtable [decl->slot] = overrides [i*2 + 1];
2180 overrides [i * 2 + 1]->slot = decl->slot;
2182 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
2183 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
2188 * If a method occupies more than one place in the vtable, and it is
2189 * overriden, then change the other occurances too.
2192 for (i = 0; i < max_vtsize; ++i)
2194 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
2199 g_hash_table_destroy (override_map);
2202 if (class->generic_class) {
2203 MonoClass *gklass = class->generic_class->container_class;
2205 mono_class_init (gklass);
2207 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
2209 class->vtable_size = cur_slot;
2211 /* Try to share the vtable with our parent. */
2212 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
2213 class->vtable = class->parent->vtable;
2215 class->vtable = mono_mempool_alloc0 (class->image->mempool, sizeof (gpointer) * class->vtable_size);
2216 memcpy (class->vtable, vtable, sizeof (gpointer) * class->vtable_size);
2219 if (mono_print_vtable) {
2222 for (i = 0; i <= max_iid; i++)
2223 if (class->interface_offsets [i] != -1)
2226 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
2227 class->vtable_size, icount);
2229 for (i = 0; i < class->vtable_size; ++i) {
2234 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
2235 mono_method_full_name (cm, TRUE));
2241 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
2242 class->name, max_iid);
2244 for (i = 0; i < class->interface_count; i++) {
2245 ic = class->interfaces [i];
2246 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
2247 class->interface_offsets [ic->interface_id],
2248 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
2251 for (k = class->parent; k ; k = k->parent) {
2252 for (i = 0; i < k->interface_count; i++) {
2253 ic = k->interfaces [i];
2254 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
2255 class->interface_offsets [ic->interface_id],
2256 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
2263 static MonoMethod *default_ghc = NULL;
2264 static MonoMethod *default_finalize = NULL;
2265 static int finalize_slot = -1;
2266 static int ghc_slot = -1;
2269 initialize_object_slots (MonoClass *class)
2274 if (class == mono_defaults.object_class) {
2275 mono_class_setup_vtable (class);
2276 for (i = 0; i < class->vtable_size; ++i) {
2277 MonoMethod *cm = class->vtable [i];
2279 if (!strcmp (cm->name, "GetHashCode"))
2281 else if (!strcmp (cm->name, "Finalize"))
2285 g_assert (ghc_slot > 0);
2286 default_ghc = class->vtable [ghc_slot];
2288 g_assert (finalize_slot > 0);
2289 default_finalize = class->vtable [finalize_slot];
2294 g_list_prepend_mempool (GList* l, MonoMemPool* mp, gpointer datum)
2296 GList* n = mono_mempool_alloc (mp, sizeof (GList));
2304 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, int pos)
2306 MonoGenericContext *context;
2309 context = g_new0 (MonoGenericContext, 1);
2310 context->container = iface->generic_class->context->container;
2311 context->gmethod = g_new0 (MonoGenericMethod, 1);
2312 context->gmethod->generic_class = iface->generic_class;
2313 context->gmethod->inst = iface->generic_class->inst;
2315 for (i = 0; i < class->parent->method.count; i++) {
2316 MonoMethod *m = class->parent->methods [i];
2317 MonoMethod *inflated;
2318 const char *mname, *iname;
2321 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
2322 iname = "System.Collections.Generic.ICollection`1.";
2323 mname = m->name + 27;
2324 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
2325 iname = "System.Collections.Generic.IEnumerable`1.";
2326 mname = m->name + 27;
2327 } else if (!strncmp (m->name, "InternalArray__", 15)) {
2328 iname = "System.Collections.Generic.IList`1.";
2329 mname = m->name + 15;
2334 name = mono_mempool_alloc (class->image->mempool, strlen (iname) + strlen (mname) + 1);
2335 strcpy (name, iname);
2336 strcpy (name + strlen (iname), mname);
2338 inflated = mono_class_inflate_generic_method (m, context);
2339 class->methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, name, inflated);
2345 * @class: the class to initialize
2347 * compute the instance_size, class_size and other infos that cannot be
2348 * computed at mono_class_get() time. Also compute a generic vtable and
2349 * the method slot numbers. We use this infos later to create a domain
2352 * Returns TRUE on success or FALSE if there was a problem in loading
2353 * the type (incorrect assemblies, missing assemblies, methods, etc).
2356 mono_class_init (MonoClass *class)
2359 MonoCachedClassInfo cached_info;
2360 gboolean has_cached_info;
2361 int class_init_ok = TRUE;
2368 /*g_print ("Init class %s\n", class->name);*/
2370 /* We do everything inside the lock to prevent races */
2371 mono_loader_lock ();
2373 if (class->inited) {
2374 mono_loader_unlock ();
2375 /* Somebody might have gotten in before us */
2379 if (class->init_pending) {
2380 mono_loader_unlock ();
2381 /* this indicates a cyclic dependency */
2382 g_error ("pending init %s.%s\n", class->name_space, class->name);
2385 class->init_pending = 1;
2387 /* CAS - SecurityAction.InheritanceDemand */
2388 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
2389 mono_secman_inheritancedemand_class (class, class->parent);
2392 if (mono_debugger_start_class_init_func)
2393 mono_debugger_start_class_init_func (class);
2395 mono_stats.initialized_class_count++;
2397 if (class->generic_class && !class->generic_class->is_dynamic) {
2398 MonoInflatedGenericClass *gclass;
2401 gclass = mono_get_inflated_generic_class (class->generic_class);
2402 gklass = gclass->generic_class.container_class;
2404 mono_stats.generic_class_count++;
2406 class->method = gklass->method;
2407 class->field = gklass->field;
2409 mono_class_init (gklass);
2410 mono_class_setup_methods (gklass);
2411 mono_class_setup_properties (gklass);
2413 if (MONO_CLASS_IS_INTERFACE (class))
2414 class->interface_id = mono_get_unique_iid (class);
2416 g_assert (class->method.count == gklass->method.count);
2417 class->methods = g_new0 (MonoMethod *, class->method.count);
2419 for (i = 0; i < class->method.count; i++) {
2420 MonoMethod *inflated = mono_class_inflate_generic_method_full (
2421 gklass->methods [i], class, gclass->generic_class.context);
2423 class->methods [i] = mono_get_inflated_method (inflated);
2426 class->property = gklass->property;
2427 class->properties = g_new0 (MonoProperty, class->property.count);
2429 for (i = 0; i < class->property.count; i++) {
2430 MonoProperty *prop = &class->properties [i];
2432 *prop = gklass->properties [i];
2435 prop->get = mono_class_inflate_generic_method_full (
2436 prop->get, class, gclass->generic_class.context);
2438 prop->set = mono_class_inflate_generic_method_full (
2439 prop->set, class, gclass->generic_class.context);
2441 prop->parent = class;
2444 g_assert (class->interface_count == gklass->interface_count);
2447 if (class->parent && !class->parent->inited)
2448 mono_class_init (class->parent);
2450 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
2452 if (!class->generic_class && (!has_cached_info || (has_cached_info && cached_info.has_nested_classes))) {
2453 i = mono_metadata_nesting_typedef (class->image, class->type_token, 1);
2456 guint32 cols [MONO_NESTED_CLASS_SIZE];
2457 mono_metadata_decode_row (&class->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
2458 nclass = mono_class_create_from_typedef (class->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
2459 class->nested_classes = g_list_prepend_mempool (class->nested_classes, class->image->mempool, nclass);
2461 i = mono_metadata_nesting_typedef (class->image, class->type_token, i + 1);
2466 * Computes the size used by the fields, and their locations
2468 if (has_cached_info) {
2469 class->instance_size = cached_info.instance_size;
2470 class->sizes.class_size = cached_info.class_size;
2471 class->packing_size = cached_info.packing_size;
2472 class->min_align = cached_info.min_align;
2473 class->blittable = cached_info.blittable;
2474 class->has_references = cached_info.has_references;
2475 class->has_static_refs = cached_info.has_static_refs;
2476 class->no_special_static_fields = cached_info.no_special_static_fields;
2479 if (!class->size_inited){
2480 mono_class_setup_fields (class);
2481 if (class->exception_type || mono_loader_get_last_error ()){
2482 class_init_ok = FALSE;
2488 /* initialize method pointers */
2491 MonoMethodSignature *sig;
2492 int count_generic = 0, first_generic = 0;
2494 class->method.count = (class->rank > 1? 2: 1);
2496 if (class->interface_count) {
2497 for (i = 0; i < class->parent->method.count; i++) {
2498 MonoMethod *m = class->parent->methods [i];
2499 if (!strncmp (m->name, "InternalArray__", 15))
2502 first_generic = class->method.count;
2503 class->method.count += class->interface_count * count_generic;
2506 sig = mono_metadata_signature_alloc (class->image, class->rank);
2507 sig->ret = &mono_defaults.void_class->byval_arg;
2508 sig->pinvoke = TRUE;
2509 for (i = 0; i < class->rank; ++i)
2510 sig->params [i] = &mono_defaults.int32_class->byval_arg;
2512 ctor = (MonoMethod *) mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethodPInvoke));
2513 ctor->klass = class;
2514 ctor->flags = METHOD_ATTRIBUTE_PUBLIC | METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
2515 ctor->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
2516 ctor->signature = sig;
2517 ctor->name = ".ctor";
2519 class->methods = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
2520 class->methods [0] = ctor;
2521 if (class->rank > 1) {
2522 sig = mono_metadata_signature_alloc (class->image, class->rank * 2);
2523 sig->ret = &mono_defaults.void_class->byval_arg;
2524 sig->pinvoke = TRUE;
2525 for (i = 0; i < class->rank * 2; ++i)
2526 sig->params [i] = &mono_defaults.int32_class->byval_arg;
2528 ctor = (MonoMethod *) mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethodPInvoke));
2529 ctor->klass = class;
2530 ctor->flags = METHOD_ATTRIBUTE_PUBLIC | METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
2531 ctor->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
2532 ctor->signature = sig;
2533 ctor->name = ".ctor";
2535 class->methods [1] = ctor;
2538 for (i = 0; i < class->interface_count; i++)
2539 setup_generic_array_ifaces (class, class->interfaces [i], first_generic + i * count_generic);
2542 mono_class_setup_supertypes (class);
2545 initialize_object_slots (class);
2548 * If possible, avoid the creation of the generic vtable by requesting
2549 * cached info from the runtime.
2551 if (has_cached_info) {
2552 guint32 cur_slot = 0;
2554 class->vtable_size = cached_info.vtable_size;
2555 class->has_finalize = cached_info.has_finalize;
2556 class->ghcimpl = cached_info.ghcimpl;
2557 class->has_cctor = cached_info.has_cctor;
2559 if (class->parent) {
2560 mono_class_init (class->parent);
2561 cur_slot = class->parent->vtable_size;
2564 setup_interface_offsets (class, cur_slot);
2567 mono_class_setup_vtable (class);
2569 if (class->exception_type || mono_loader_get_last_error ()){
2570 class_init_ok = FALSE;
2575 if (class->parent) {
2576 MonoMethod *cmethod = class->vtable [ghc_slot];
2577 if (cmethod->is_inflated)
2578 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
2579 if (cmethod == default_ghc) {
2584 /* Object::Finalize should have empty implemenatation */
2585 class->has_finalize = 0;
2586 if (class->parent) {
2587 MonoMethod *cmethod = class->vtable [finalize_slot];
2588 if (cmethod->is_inflated)
2589 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
2590 if (cmethod != default_finalize) {
2591 class->has_finalize = 1;
2595 for (i = 0; i < class->method.count; ++i) {
2596 MonoMethod *method = class->methods [i];
2597 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
2598 (strcmp (".cctor", method->name) == 0)) {
2599 class->has_cctor = 1;
2605 if (MONO_CLASS_IS_INTERFACE (class)) {
2607 * class->interface_offsets is needed for the castclass/isinst code, so
2608 * we have to setup them for interfaces, too.
2610 setup_interface_offsets (class, 0);
2615 class->init_pending = 0;
2617 mono_loader_unlock ();
2619 if (mono_debugger_class_init_func)
2620 mono_debugger_class_init_func (class);
2622 return class_init_ok;
2626 * LOCKING: this assumes the loader lock is held
2629 mono_class_setup_mono_type (MonoClass *class)
2631 const char *name = class->name;
2632 const char *nspace = class->name_space;
2634 class->this_arg.byref = 1;
2635 class->this_arg.data.klass = class;
2636 class->this_arg.type = MONO_TYPE_CLASS;
2637 class->byval_arg.data.klass = class;
2638 class->byval_arg.type = MONO_TYPE_CLASS;
2640 if (!strcmp (nspace, "System")) {
2641 if (!strcmp (name, "ValueType")) {
2643 * do not set the valuetype bit for System.ValueType.
2644 * class->valuetype = 1;
2646 class->blittable = TRUE;
2647 } else if (!strcmp (name, "Enum")) {
2649 * do not set the valuetype bit for System.Enum.
2650 * class->valuetype = 1;
2652 class->valuetype = 0;
2653 class->enumtype = 0;
2654 } else if (!strcmp (name, "Object")) {
2655 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
2656 } else if (!strcmp (name, "String")) {
2657 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
2658 } else if (!strcmp (name, "TypedReference")) {
2659 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
2663 if (class->valuetype) {
2664 int t = MONO_TYPE_VALUETYPE;
2665 if (!strcmp (nspace, "System")) {
2668 if (!strcmp (name, "Boolean")) {
2669 t = MONO_TYPE_BOOLEAN;
2670 } else if (!strcmp(name, "Byte")) {
2672 class->blittable = TRUE;
2676 if (!strcmp (name, "Char")) {
2681 if (!strcmp (name, "Double")) {
2683 class->blittable = TRUE;
2687 if (!strcmp (name, "Int32")) {
2689 class->blittable = TRUE;
2690 } else if (!strcmp(name, "Int16")) {
2692 class->blittable = TRUE;
2693 } else if (!strcmp(name, "Int64")) {
2695 class->blittable = TRUE;
2696 } else if (!strcmp(name, "IntPtr")) {
2698 class->blittable = TRUE;
2702 if (!strcmp (name, "Single")) {
2704 class->blittable = TRUE;
2705 } else if (!strcmp(name, "SByte")) {
2707 class->blittable = TRUE;
2711 if (!strcmp (name, "UInt32")) {
2713 class->blittable = TRUE;
2714 } else if (!strcmp(name, "UInt16")) {
2716 class->blittable = TRUE;
2717 } else if (!strcmp(name, "UInt64")) {
2719 class->blittable = TRUE;
2720 } else if (!strcmp(name, "UIntPtr")) {
2722 class->blittable = TRUE;
2726 if (!strcmp (name, "TypedReference")) {
2727 t = MONO_TYPE_TYPEDBYREF;
2728 class->blittable = TRUE;
2732 if (!strcmp (name, "Void")) {
2740 class->this_arg.type = class->byval_arg.type = t;
2743 if (MONO_CLASS_IS_INTERFACE (class))
2744 class->interface_id = mono_get_unique_iid (class);
2749 * LOCKING: this assumes the loader lock is held
2752 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
2754 gboolean system_namespace;
2756 system_namespace = !strcmp (class->name_space, "System");
2758 /* if root of the hierarchy */
2759 if (system_namespace && !strcmp (class->name, "Object")) {
2760 class->parent = NULL;
2761 class->instance_size = sizeof (MonoObject);
2764 if (!strcmp (class->name, "<Module>")) {
2765 class->parent = NULL;
2766 class->instance_size = 0;
2770 if (!MONO_CLASS_IS_INTERFACE (class)) {
2771 /* Imported COM Objects always derive from __ComObject. */
2772 if (MONO_CLASS_IS_IMPORT (class)) {
2773 if (parent == mono_defaults.object_class)
2774 parent = mono_defaults.com_object_class;
2776 class->parent = parent;
2780 g_assert_not_reached (); /* FIXME */
2782 if (parent->generic_class && !parent->name) {
2784 * If the parent is a generic instance, we may get
2785 * called before it is fully initialized, especially
2786 * before it has its name.
2791 class->marshalbyref = parent->marshalbyref;
2792 class->contextbound = parent->contextbound;
2793 class->delegate = parent->delegate;
2794 if (MONO_CLASS_IS_IMPORT (class))
2795 class->is_com_object = 1;
2797 class->is_com_object = parent->is_com_object;
2799 if (system_namespace) {
2800 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
2801 class->marshalbyref = 1;
2803 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
2804 class->contextbound = 1;
2806 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
2807 class->delegate = 1;
2810 if (class->parent->enumtype || ((strcmp (class->parent->name, "ValueType") == 0) &&
2811 (strcmp (class->parent->name_space, "System") == 0)))
2812 class->valuetype = 1;
2813 if (((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
2814 class->valuetype = class->enumtype = 1;
2816 /*class->enumtype = class->parent->enumtype; */
2817 mono_class_setup_supertypes (class);
2819 class->parent = NULL;
2825 * mono_class_setup_supertypes:
2828 * Build the data structure needed to make fast type checks work.
2829 * This currently sets two fields in @class:
2830 * - idepth: distance between @class and System.Object in the type
2832 * - supertypes: array of classes: each element has a class in the hierarchy
2833 * starting from @class up to System.Object
2835 * LOCKING: this assumes the loader lock is held
2838 mono_class_setup_supertypes (MonoClass *class)
2842 if (class->supertypes)
2845 if (class->parent && !class->parent->supertypes)
2846 mono_class_setup_supertypes (class->parent);
2848 class->idepth = class->parent->idepth + 1;
2852 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
2853 class->supertypes = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClass *) * ms);
2855 if (class->parent) {
2856 class->supertypes [class->idepth - 1] = class;
2857 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
2859 class->supertypes [0] = class;
2864 mono_get_shared_generic_inst (MonoGenericContainer *container)
2866 MonoGenericInst *nginst;
2869 nginst = g_new0 (MonoGenericInst, 1);
2870 nginst->type_argc = container->type_argc;
2871 nginst->type_argv = g_new0 (MonoType *, nginst->type_argc);
2872 nginst->is_reference = 1;
2873 nginst->is_open = 1;
2875 for (i = 0; i < nginst->type_argc; i++) {
2876 MonoType *t = g_new0 (MonoType, 1);
2878 t->type = container->is_method ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
2879 t->data.generic_param = &container->type_params [i];
2881 nginst->type_argv [i] = t;
2884 return mono_metadata_lookup_generic_inst (nginst);
2888 * In preparation for implementing shared code.
2891 mono_get_shared_generic_class (MonoGenericContainer *container, gboolean is_dynamic)
2893 MonoInflatedGenericClass *igclass;
2894 MonoGenericClass *gclass;
2897 MonoDynamicGenericClass *dgclass = g_new0 (MonoDynamicGenericClass, 1);
2898 igclass = &dgclass->generic_class;
2899 gclass = &igclass->generic_class;
2900 gclass->is_inflated = 1;
2901 gclass->is_dynamic = 1;
2903 igclass = g_new0 (MonoInflatedGenericClass, 1);
2904 gclass = &igclass->generic_class;
2905 gclass->is_inflated = 1;
2908 gclass->context = &container->context;
2909 gclass->container_class = container->klass;
2910 gclass->inst = mono_get_shared_generic_inst (container);
2913 MonoGenericClass *cached = mono_metadata_lookup_generic_class (gclass);
2921 igclass->klass = container->klass;
2927 * mono_class_create_from_typedef:
2928 * @image: image where the token is valid
2929 * @type_token: typedef token
2931 * Create the MonoClass* representing the specified type token.
2932 * @type_token must be a TypeDef token.
2935 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
2937 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
2938 MonoClass *class, *parent = NULL;
2939 guint32 cols [MONO_TYPEDEF_SIZE];
2940 guint32 cols_next [MONO_TYPEDEF_SIZE];
2941 guint tidx = mono_metadata_token_index (type_token);
2942 MonoGenericContext *context = NULL;
2943 const char *name, *nspace;
2945 MonoClass **interfaces;
2946 guint32 field_last, method_last;
2947 guint32 nesting_tokeen;
2949 mono_loader_lock ();
2951 if ((class = g_hash_table_lookup (image->class_cache, GUINT_TO_POINTER (type_token)))) {
2952 mono_loader_unlock ();
2956 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
2958 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
2960 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
2961 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
2963 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
2966 class->name_space = nspace;
2968 class->image = image;
2969 class->type_token = type_token;
2970 class->flags = cols [MONO_TYPEDEF_FLAGS];
2972 g_hash_table_insert (image->class_cache, GUINT_TO_POINTER (type_token), class);
2975 * Check whether we're a generic type definition.
2977 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
2978 if (class->generic_container) {
2979 class->generic_container->klass = class;
2980 context = &class->generic_container->context;
2982 context->gclass = mono_get_shared_generic_class (context->container, FALSE);
2985 if (cols [MONO_TYPEDEF_EXTENDS]) {
2986 parent = mono_class_get_full (
2987 image, mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]), context);
2988 if (parent == NULL){
2989 g_hash_table_remove (image->class_cache, GUINT_TO_POINTER (type_token));
2990 mono_loader_unlock ();
2995 /* do this early so it's available for interfaces in setup_mono_type () */
2996 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
2997 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
2999 mono_class_setup_parent (class, parent);
3001 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
3002 mono_class_setup_mono_type (class);
3004 if (!class->enumtype) {
3005 if (!mono_metadata_interfaces_from_typedef_full (
3006 image, type_token, &interfaces, &icount, context)){
3007 mono_loader_unlock ();
3011 class->interfaces = interfaces;
3012 class->interface_count = icount;
3015 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
3019 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
3023 class->cast_class = class->element_class = class;
3025 /*g_print ("Load class %s\n", name);*/
3028 * Compute the field and method lists
3030 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
3031 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
3033 if (tt->rows > tidx){
3034 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
3035 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
3036 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
3038 field_last = image->tables [MONO_TABLE_FIELD].rows;
3039 method_last = image->tables [MONO_TABLE_METHOD].rows;
3042 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
3043 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
3044 class->field.count = field_last - class->field.first;
3046 class->field.count = 0;
3048 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
3049 class->method.count = method_last - class->method.first;
3051 class->method.count = 0;
3053 /* reserve space to store vector pointer in arrays */
3054 if (!strcmp (nspace, "System") && !strcmp (name, "Array")) {
3055 class->instance_size += 2 * sizeof (gpointer);
3056 g_assert (class->field.count == 0);
3059 if (class->enumtype) {
3060 class->enum_basetype = mono_class_find_enum_basetype (class);
3061 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
3065 * If we're a generic type definition, load the constraints.
3066 * We must do this after the class has been constructed to make certain recursive scenarios
3069 if (class->generic_container)
3070 mono_metadata_load_generic_param_constraints (
3071 image, type_token, class->generic_container);
3073 mono_loader_unlock ();
3078 /** is klass Nullable<T>? */
3080 mono_class_is_nullable (MonoClass *klass)
3082 return klass->generic_class != NULL &&
3083 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
3087 /** if klass is T? return T */
3089 mono_class_get_nullable_param (MonoClass *klass)
3091 g_assert (mono_class_is_nullable (klass));
3092 return mono_class_from_mono_type (klass->generic_class->inst->type_argv [0]);
3096 * Create the `MonoClass' for an instantiation of a generic type.
3097 * We only do this if we actually need it.
3100 mono_class_create_generic (MonoInflatedGenericClass *gclass)
3102 MonoClass *klass, *gklass;
3105 mono_loader_lock ();
3106 if (gclass->is_initialized) {
3107 mono_loader_unlock ();
3112 gclass->klass = g_malloc0 (sizeof (MonoClass));
3113 klass = gclass->klass;
3115 gklass = gclass->generic_class.container_class;
3117 if (gklass->nested_in) {
3119 * FIXME: the nested type context should include everything the
3120 * nesting context should have, but it may also have additional
3121 * generic parameters...
3123 MonoType *inflated = mono_class_inflate_generic_type (
3124 &gklass->nested_in->byval_arg, gclass->generic_class.context);
3125 klass->nested_in = mono_class_from_mono_type (inflated);
3128 klass->name = gklass->name;
3129 klass->name_space = gklass->name_space;
3130 klass->image = gklass->image;
3131 klass->flags = gklass->flags;
3132 klass->type_token = gklass->type_token;
3134 klass->generic_class = &gclass->generic_class;
3136 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
3137 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = &gclass->generic_class;
3138 klass->this_arg.byref = TRUE;
3140 klass->cast_class = klass->element_class = klass;
3142 if (mono_class_is_nullable (klass))
3143 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
3145 if (gclass->generic_class.is_dynamic) {
3146 klass->instance_size = gklass->instance_size;
3147 klass->sizes.class_size = gklass->sizes.class_size;
3148 klass->size_inited = 1;
3151 klass->valuetype = gklass->valuetype;
3153 mono_class_setup_supertypes (klass);
3156 klass->interface_count = gklass->interface_count;
3157 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
3158 for (i = 0; i < klass->interface_count; i++) {
3159 MonoType *it = &gklass->interfaces [i]->byval_arg;
3160 MonoType *inflated = mono_class_inflate_generic_type (
3161 it, gclass->generic_class.context);
3162 klass->interfaces [i] = mono_class_from_mono_type (inflated);
3165 i = mono_metadata_nesting_typedef (klass->image, gklass->type_token, 1);
3168 guint32 cols [MONO_NESTED_CLASS_SIZE];
3169 mono_metadata_decode_row (&klass->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
3170 nclass = mono_class_create_from_typedef (klass->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
3171 klass->nested_classes = g_list_prepend (klass->nested_classes, nclass);
3173 i = mono_metadata_nesting_typedef (klass->image, gklass->type_token, i + 1);
3176 if (gklass->parent) {
3177 MonoType *inflated = mono_class_inflate_generic_type (
3178 &gklass->parent->byval_arg, gclass->generic_class.context);
3180 klass->parent = mono_class_from_mono_type (inflated);
3184 mono_class_setup_parent (klass, klass->parent);
3186 if (MONO_CLASS_IS_INTERFACE (klass))
3187 setup_interface_offsets (klass, 0);
3188 gclass->is_initialized = TRUE;
3189 mono_loader_unlock ();
3193 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
3195 MonoClass *klass, **ptr;
3199 return param->pklass;
3201 klass = param->pklass = g_new0 (MonoClass, 1);
3203 for (count = 0, ptr = param->constraints; ptr && *ptr; ptr++, count++)
3207 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (param->constraints [0])) {
3208 klass->parent = param->constraints [0];
3210 } else if (param->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
3211 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
3213 klass->parent = mono_defaults.object_class;
3215 if (count - pos > 0) {
3216 klass->interface_count = count - pos;
3217 klass->interfaces = g_new0 (MonoClass *, count - pos);
3218 for (i = pos; i < count; i++)
3219 klass->interfaces [i - pos] = param->constraints [i];
3223 klass->name = param->name;
3225 klass->name = g_strdup_printf (is_mvar ? "!!%d" : "!%d", param->num);
3227 klass->name_space = "";
3230 klass->image = image;
3231 else if (is_mvar && param->method && param->method->klass)
3232 klass->image = param->method->klass->image;
3233 else if (param->owner && param->owner->klass)
3234 klass->image = param->owner->klass->image;
3236 klass->image = mono_defaults.corlib;
3238 klass->inited = TRUE;
3239 klass->cast_class = klass->element_class = klass;
3240 klass->enum_basetype = &klass->element_class->byval_arg;
3241 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
3243 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
3244 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
3245 klass->this_arg.byref = TRUE;
3247 mono_class_setup_supertypes (klass);
3253 mono_ptr_class_get (MonoType *type)
3256 MonoClass *el_class;
3260 el_class = mono_class_from_mono_type (type);
3261 image = el_class->image;
3263 mono_loader_lock ();
3265 if (!image->ptr_cache)
3266 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
3268 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
3269 mono_loader_unlock ();
3272 result = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
3274 result->parent = NULL; /* no parent for PTR types */
3275 result->name_space = el_class->name_space;
3276 name = g_strdup_printf ("%s*", el_class->name);
3277 result->name = mono_mempool_strdup (image->mempool, name);
3279 result->image = el_class->image;
3280 result->inited = TRUE;
3281 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
3282 /* Can pointers get boxed? */
3283 result->instance_size = sizeof (gpointer);
3284 result->cast_class = result->element_class = el_class;
3285 result->enum_basetype = &result->element_class->byval_arg;
3286 result->blittable = TRUE;
3288 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
3289 result->this_arg.data.type = result->byval_arg.data.type = result->enum_basetype;
3290 result->this_arg.byref = TRUE;
3292 mono_class_setup_supertypes (result);
3294 g_hash_table_insert (image->ptr_cache, el_class, result);
3296 mono_loader_unlock ();
3302 mono_fnptr_class_get (MonoMethodSignature *sig)
3305 static GHashTable *ptr_hash = NULL;
3307 /* FIXME: These should be allocate from a mempool as well, but which one ? */
3309 mono_loader_lock ();
3312 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3314 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
3315 mono_loader_unlock ();
3318 result = g_new0 (MonoClass, 1);
3320 result->parent = NULL; /* no parent for PTR types */
3321 result->name_space = "System";
3322 result->name = "MonoFNPtrFakeClass";
3323 result->image = mono_defaults.corlib; /* need to fix... */
3324 result->inited = TRUE;
3325 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
3326 /* Can pointers get boxed? */
3327 result->instance_size = sizeof (gpointer);
3328 result->cast_class = result->element_class = result;
3329 result->blittable = TRUE;
3331 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
3332 result->this_arg.data.method = result->byval_arg.data.method = sig;
3333 result->this_arg.byref = TRUE;
3334 result->enum_basetype = &result->element_class->byval_arg;
3335 result->blittable = TRUE;
3337 mono_class_setup_supertypes (result);
3339 g_hash_table_insert (ptr_hash, sig, result);
3341 mono_loader_unlock ();
3347 mono_class_from_mono_type (MonoType *type)
3349 switch (type->type) {
3350 case MONO_TYPE_OBJECT:
3351 return type->data.klass? type->data.klass: mono_defaults.object_class;
3352 case MONO_TYPE_VOID:
3353 return type->data.klass? type->data.klass: mono_defaults.void_class;
3354 case MONO_TYPE_BOOLEAN:
3355 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
3356 case MONO_TYPE_CHAR:
3357 return type->data.klass? type->data.klass: mono_defaults.char_class;
3359 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
3361 return type->data.klass? type->data.klass: mono_defaults.byte_class;
3363 return type->data.klass? type->data.klass: mono_defaults.int16_class;
3365 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
3367 return type->data.klass? type->data.klass: mono_defaults.int32_class;
3369 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
3371 return type->data.klass? type->data.klass: mono_defaults.int_class;
3373 return type->data.klass? type->data.klass: mono_defaults.uint_class;
3375 return type->data.klass? type->data.klass: mono_defaults.int64_class;
3377 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
3379 return type->data.klass? type->data.klass: mono_defaults.single_class;
3381 return type->data.klass? type->data.klass: mono_defaults.double_class;
3382 case MONO_TYPE_STRING:
3383 return type->data.klass? type->data.klass: mono_defaults.string_class;
3384 case MONO_TYPE_TYPEDBYREF:
3385 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
3386 case MONO_TYPE_ARRAY:
3387 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
3389 return mono_ptr_class_get (type->data.type);
3390 case MONO_TYPE_FNPTR:
3391 return mono_fnptr_class_get (type->data.method);
3392 case MONO_TYPE_SZARRAY:
3393 return mono_array_class_get (type->data.klass, 1);
3394 case MONO_TYPE_CLASS:
3395 case MONO_TYPE_VALUETYPE:
3396 return type->data.klass;
3397 case MONO_TYPE_GENERICINST: {
3398 MonoInflatedGenericClass *gclass;
3399 gclass = mono_get_inflated_generic_class (type->data.generic_class);
3400 g_assert (gclass->klass);
3401 return gclass->klass;
3404 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
3405 case MONO_TYPE_MVAR:
3406 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
3408 g_warning ("implement me 0x%02x\n", type->type);
3409 g_assert_not_reached ();
3416 * @image: context where the image is created
3417 * @type_spec: typespec token
3418 * @context: the generic context used to evaluate generic instantiations in
3421 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
3423 MonoType *t = mono_type_create_from_typespec (image, type_spec);
3426 if (context && (context->gclass || context->gmethod)) {
3427 MonoType *inflated = inflate_generic_type (t, context);
3431 return mono_class_from_mono_type (t);
3435 * mono_bounded_array_class_get:
3436 * @element_class: element class
3437 * @rank: the dimension of the array class
3438 * @bounded: whenever the array has non-zero bounds
3440 * Returns: a class object describing the array with element type @element_type and
3444 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
3448 MonoClass *parent = NULL;
3449 GSList *list, *rootlist;
3452 gboolean corlib_type = FALSE;
3454 g_assert (rank <= 255);
3457 /* bounded only matters for one-dimensional arrays */
3460 image = eclass->image;
3462 mono_loader_lock ();
3464 if (!image->array_cache)
3465 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
3467 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
3468 for (; list; list = list->next) {
3470 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
3471 mono_loader_unlock ();
3477 /* for the building corlib use System.Array from it */
3478 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
3479 parent = mono_class_from_name (image, "System", "Array");
3482 parent = mono_defaults.array_class;
3483 if (!parent->inited)
3484 mono_class_init (parent);
3487 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
3489 class->image = image;
3490 class->name_space = eclass->name_space;
3491 nsize = strlen (eclass->name);
3492 name = g_malloc (nsize + 2 + rank);
3493 memcpy (name, eclass->name, nsize);
3496 memset (name + nsize + 1, ',', rank - 1);
3497 name [nsize + rank] = ']';
3498 name [nsize + rank + 1] = 0;
3499 class->name = mono_mempool_strdup (image->mempool, name);
3501 class->type_token = 0;
3502 /* all arrays are marked serializable and sealed, bug #42779 */
3503 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
3504 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
3505 class->parent = parent;
3506 class->instance_size = mono_class_instance_size (class->parent);
3507 class->sizes.element_size = mono_class_array_element_size (eclass);
3508 mono_class_setup_supertypes (class);
3510 if (mono_defaults.generic_ilist_class) {
3511 MonoClass *fclass = NULL;
3514 if (eclass->valuetype) {
3515 if (eclass == mono_defaults.int16_class)
3516 fclass = mono_defaults.uint16_class;
3517 if (eclass == mono_defaults.uint16_class)
3518 fclass = mono_defaults.int16_class;
3519 if (eclass == mono_defaults.int32_class)
3520 fclass = mono_defaults.uint32_class;
3521 if (eclass == mono_defaults.uint32_class)
3522 fclass = mono_defaults.int32_class;
3523 if (eclass == mono_defaults.int64_class)
3524 fclass = mono_defaults.uint64_class;
3525 if (eclass == mono_defaults.uint64_class)
3526 fclass = mono_defaults.int64_class;
3527 if (eclass == mono_defaults.byte_class)
3528 fclass = mono_defaults.sbyte_class;
3529 if (eclass == mono_defaults.sbyte_class)
3530 fclass = mono_defaults.byte_class;
3532 class->interface_count = fclass ? 2 : 1;
3533 } else if (MONO_CLASS_IS_INTERFACE (eclass)) {
3534 class->interface_count = 2 + eclass->interface_count;
3536 class->interface_count = eclass->idepth + eclass->interface_count;
3539 class->interfaces = g_new0 (MonoClass *, class->interface_count);
3541 for (i = 0; i < class->interface_count; i++) {
3542 MonoType *inflated, **args;
3545 if (eclass->valuetype)
3546 iface = (i == 0) ? eclass : fclass;
3547 else if (MONO_CLASS_IS_INTERFACE (eclass)) {
3549 iface = mono_defaults.object_class;
3553 iface = eclass->interfaces [i - 2];
3555 if (i < eclass->idepth)
3556 iface = eclass->supertypes [i];
3558 iface = eclass->interfaces [i - eclass->idepth];
3561 args = g_new0 (MonoType *, 1);
3562 args [0] = &iface->byval_arg;
3564 inflated = mono_class_bind_generic_parameters (
3565 &mono_defaults.generic_ilist_class->byval_arg, 1, args);
3567 class->interfaces [i] = mono_class_from_mono_type (inflated);
3571 if (eclass->generic_class)
3572 mono_class_init (eclass);
3573 if (!eclass->size_inited)
3574 mono_class_setup_fields (eclass);
3575 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
3579 if (eclass->enumtype)
3580 class->cast_class = eclass->element_class;
3582 class->cast_class = eclass;
3584 class->element_class = eclass;
3586 if ((rank > 1) || bounded) {
3587 MonoArrayType *at = mono_mempool_alloc0 (image->mempool, sizeof (MonoArrayType));
3588 class->byval_arg.type = MONO_TYPE_ARRAY;
3589 class->byval_arg.data.array = at;
3590 at->eklass = eclass;
3592 /* FIXME: complete.... */
3594 class->byval_arg.type = MONO_TYPE_SZARRAY;
3595 class->byval_arg.data.klass = eclass;
3597 class->this_arg = class->byval_arg;
3598 class->this_arg.byref = 1;
3603 class->generic_container = eclass->generic_container;
3605 list = g_slist_append (rootlist, class);
3606 g_hash_table_insert (image->array_cache, eclass, list);
3608 mono_loader_unlock ();
3614 * mono_array_class_get:
3615 * @element_class: element class
3616 * @rank: the dimension of the array class
3618 * Returns: a class object describing the array with element type @element_type and
3622 mono_array_class_get (MonoClass *eclass, guint32 rank)
3624 return mono_bounded_array_class_get (eclass, rank, FALSE);
3628 * mono_class_instance_size:
3631 * Returns: the size of an object instance
3634 mono_class_instance_size (MonoClass *klass)
3636 if (!klass->size_inited)
3637 mono_class_init (klass);
3639 return klass->instance_size;
3643 * mono_class_min_align:
3646 * Returns: minimm alignment requirements
3649 mono_class_min_align (MonoClass *klass)
3651 if (!klass->size_inited)
3652 mono_class_init (klass);
3654 return klass->min_align;
3658 * mono_class_value_size:
3661 * This function is used for value types, and return the
3662 * space and the alignment to store that kind of value object.
3664 * Returns: the size of a value of kind @klass
3667 mono_class_value_size (MonoClass *klass, guint32 *align)
3671 /* fixme: check disable, because we still have external revereces to
3672 * mscorlib and Dummy Objects
3674 /*g_assert (klass->valuetype);*/
3676 size = mono_class_instance_size (klass) - sizeof (MonoObject);
3679 *align = klass->min_align;
3685 * mono_class_data_size:
3688 * Returns: the size of the static class data
3691 mono_class_data_size (MonoClass *klass)
3694 mono_class_init (klass);
3696 /* in arrays, sizes.class_size is unioned with element_size
3697 * and arrays have no static fields
3701 return klass->sizes.class_size;
3705 * Auxiliary routine to mono_class_get_field
3707 * Takes a field index instead of a field token.
3709 static MonoClassField *
3710 mono_class_get_field_idx (MonoClass *class, int idx)
3712 mono_class_setup_fields_locking (class);
3715 if (class->image->uncompressed_metadata) {
3717 * class->field.first points to the FieldPtr table, while idx points into the
3718 * Field table, so we have to do a search.
3720 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
3723 for (i = 0; i < class->field.count; ++i)
3724 if (class->fields [i].name == name)
3725 return &class->fields [i];
3726 g_assert_not_reached ();
3728 if (class->field.count) {
3729 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
3730 return &class->fields [idx - class->field.first];
3734 class = class->parent;
3740 * mono_class_get_field:
3741 * @class: the class to lookup the field.
3742 * @field_token: the field token
3744 * Returns: A MonoClassField representing the type and offset of
3745 * the field, or a NULL value if the field does not belong to this
3749 mono_class_get_field (MonoClass *class, guint32 field_token)
3751 int idx = mono_metadata_token_index (field_token);
3753 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
3755 return mono_class_get_field_idx (class, idx - 1);
3759 * mono_class_get_field_from_name:
3760 * @klass: the class to lookup the field.
3761 * @name: the field name
3763 * Search the class @klass and it's parents for a field with the name @name.
3765 * Returns: the MonoClassField pointer of the named field or NULL
3768 mono_class_get_field_from_name (MonoClass *klass, const char *name)
3772 mono_class_setup_fields_locking (klass);
3774 for (i = 0; i < klass->field.count; ++i) {
3775 if (strcmp (name, klass->fields [i].name) == 0)
3776 return &klass->fields [i];
3778 klass = klass->parent;
3784 * mono_class_get_field_token:
3785 * @field: the field we need the token of
3787 * Get the token of a field. Note that the tokesn is only valid for the image
3788 * the field was loaded from. Don't use this function for fields in dynamic types.
3790 * Returns: the token representing the field in the image it was loaded from.
3793 mono_class_get_field_token (MonoClassField *field)
3795 MonoClass *klass = field->parent;
3798 mono_class_setup_fields_locking (klass);
3800 for (i = 0; i < klass->field.count; ++i) {
3801 if (&klass->fields [i] == field) {
3802 int idx = klass->field.first + i + 1;
3804 if (klass->image->uncompressed_metadata)
3805 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
3806 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
3809 klass = klass->parent;
3812 g_assert_not_reached ();
3817 mono_class_get_event_token (MonoEvent *event)
3819 MonoClass *klass = event->parent;
3823 for (i = 0; i < klass->event.count; ++i) {
3824 if (&klass->events [i] == event)
3825 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->event.first + i + 1);
3827 klass = klass->parent;
3830 g_assert_not_reached ();
3835 mono_class_get_property_from_name (MonoClass *klass, const char *name)
3839 gpointer iter = NULL;
3840 while ((p = mono_class_get_properties (klass, &iter))) {
3841 if (! strcmp (name, p->name))
3844 klass = klass->parent;
3850 mono_class_get_property_token (MonoProperty *prop)
3852 MonoClass *klass = prop->parent;
3856 gpointer iter = NULL;
3857 while ((p = mono_class_get_properties (klass, &iter))) {
3858 if (&klass->properties [i] == prop)
3859 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->property.first + i + 1);
3863 klass = klass->parent;
3866 g_assert_not_reached ();
3871 mono_class_name_from_token (MonoImage *image, guint32 type_token)
3873 const char *name, *nspace;
3875 return g_strdup_printf ("DynamicType 0x%08x", type_token);
3877 switch (type_token & 0xff000000){
3878 case MONO_TOKEN_TYPE_DEF: {
3879 guint32 cols [MONO_TYPEDEF_SIZE];
3880 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
3881 guint tidx = mono_metadata_token_index (type_token);
3883 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
3884 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
3885 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
3886 if (strlen (nspace) == 0)
3887 return g_strdup_printf ("%s", name);
3889 return g_strdup_printf ("%s.%s", nspace, name);
3892 case MONO_TOKEN_TYPE_REF: {
3893 guint32 cols [MONO_TYPEREF_SIZE];
3894 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
3896 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
3897 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
3898 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
3899 if (strlen (nspace) == 0)
3900 return g_strdup_printf ("%s", name);
3902 return g_strdup_printf ("%s.%s", nspace, name);
3905 case MONO_TOKEN_TYPE_SPEC:
3906 return g_strdup_printf ("Typespec 0x%08x", type_token);
3908 g_assert_not_reached ();
3915 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
3918 return g_strdup_printf ("DynamicAssembly %s", image->name);
3920 switch (type_token & 0xff000000){
3921 case MONO_TOKEN_TYPE_DEF:
3922 return mono_stringify_assembly_name (&image->assembly->aname);
3924 case MONO_TOKEN_TYPE_REF: {
3925 MonoAssemblyName aname;
3926 guint32 cols [MONO_TYPEREF_SIZE];
3927 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
3930 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
3932 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
3933 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
3934 case MONO_RESOLTION_SCOPE_MODULE:
3936 return g_strdup ("");
3937 case MONO_RESOLTION_SCOPE_MODULEREF:
3939 return g_strdup ("");
3940 case MONO_RESOLTION_SCOPE_TYPEREF:
3942 return g_strdup ("");
3943 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
3944 mono_assembly_get_assemblyref (image, idx - 1, &aname);
3945 return mono_stringify_assembly_name (&aname);
3947 g_assert_not_reached ();
3951 case MONO_TOKEN_TYPE_SPEC:
3953 return g_strdup ("");
3955 g_assert_not_reached ();
3962 * mono_class_get_full:
3963 * @image: the image where the class resides
3964 * @type_token: the token for the class
3965 * @context: the generic context used to evaluate generic instantiations in
3967 * Returns: the MonoClass that represents @type_token in @image
3970 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
3972 MonoClass *class = NULL;
3975 return mono_lookup_dynamic_token (image, type_token);
3977 switch (type_token & 0xff000000){
3978 case MONO_TOKEN_TYPE_DEF:
3979 class = mono_class_create_from_typedef (image, type_token);
3981 case MONO_TOKEN_TYPE_REF:
3982 class = mono_class_from_typeref (image, type_token);
3984 case MONO_TOKEN_TYPE_SPEC:
3985 class = mono_class_create_from_typespec (image, type_token, context);
3988 g_warning ("unknown token type %x", type_token & 0xff000000);
3989 g_assert_not_reached ();
3993 char *name = mono_class_name_from_token (image, type_token);
3994 char *assembly = mono_assembly_name_from_token (image, type_token);
3995 mono_loader_set_error_type_load (name, assembly);
4002 mono_class_get (MonoImage *image, guint32 type_token)
4004 return mono_class_get_full (image, type_token, NULL);
4008 * mono_image_init_name_cache:
4010 * Initializes the class name cache stored in image->name_cache.
4012 * LOCKING: Acquires the loader lock.
4015 mono_image_init_name_cache (MonoImage *image)
4017 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
4018 guint32 cols [MONO_TYPEDEF_SIZE];
4021 guint32 i, visib, nspace_index;
4022 GHashTable *name_cache2, *nspace_table;
4024 mono_loader_lock ();
4026 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
4028 if (image->dynamic) {
4029 mono_loader_unlock ();
4033 /* Temporary hash table to avoid lookups in the nspace_table */
4034 name_cache2 = g_hash_table_new (NULL, NULL);
4036 for (i = 1; i <= t->rows; ++i) {
4037 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
4038 /* nested types are accessed from the nesting name */
4039 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
4040 if (visib > TYPE_ATTRIBUTE_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_ASSEMBLY)
4042 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4043 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4045 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
4046 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
4047 if (!nspace_table) {
4048 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
4049 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
4050 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
4053 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
4056 /* Load type names from EXPORTEDTYPES table */
4058 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
4059 guint32 cols [MONO_EXP_TYPE_SIZE];
4062 for (i = 0; i < t->rows; ++i) {
4063 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
4064 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
4065 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
4067 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
4068 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
4069 if (!nspace_table) {
4070 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
4071 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
4072 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
4075 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
4079 g_hash_table_destroy (name_cache2);
4081 mono_loader_unlock ();
4085 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
4086 const char *name, guint32 index)
4088 GHashTable *nspace_table;
4089 GHashTable *name_cache;
4091 mono_loader_lock ();
4093 if (!image->name_cache)
4094 mono_image_init_name_cache (image);
4096 name_cache = image->name_cache;
4097 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
4098 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
4099 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
4101 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
4103 mono_loader_unlock ();
4112 find_nocase (gpointer key, gpointer value, gpointer user_data)
4114 char *name = (char*)key;
4115 FindUserData *data = (FindUserData*)user_data;
4117 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
4118 data->value = value;
4122 * mono_class_from_name_case:
4123 * @image: The MonoImage where the type is looked up in, or NULL for looking up in all loaded assemblies
4124 * @name_space: the type namespace
4125 * @name: the type short name.
4127 * Obtains a MonoClass with a given namespace and a given name which
4128 * is located in the given MonoImage. The namespace and name
4129 * lookups are case insensitive.
4132 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
4134 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
4135 guint32 cols [MONO_TYPEDEF_SIZE];
4140 if (image->dynamic) {
4142 FindUserData user_data;
4144 mono_loader_lock ();
4146 if (!image->name_cache)
4147 mono_image_init_name_cache (image);
4149 user_data.key = name_space;
4150 user_data.value = NULL;
4151 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
4153 if (user_data.value) {
4154 GHashTable *nspace_table = (GHashTable*)user_data.value;
4156 user_data.key = name;
4157 user_data.value = NULL;
4159 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
4161 if (user_data.value)
4162 token = GPOINTER_TO_UINT (user_data.value);
4165 mono_loader_unlock ();
4168 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
4174 /* add a cache if needed */
4175 for (i = 1; i <= t->rows; ++i) {
4176 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
4177 /* nested types are accessed from the nesting name */
4178 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
4179 if (visib > TYPE_ATTRIBUTE_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_ASSEMBLY)
4181 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4182 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4183 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
4184 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
4190 return_nested_in (MonoClass *class, char *nested) {
4192 char *s = strchr (nested, '/');
4199 for (tmp = class->nested_classes; tmp; tmp = tmp->next) {
4201 if (strcmp (found->name, nested) == 0) {
4203 return return_nested_in (found, s);
4212 * mono_class_from_name:
4213 * @image: The MonoImage where the type is looked up in, or NULL for looking up in all loaded assemblies
4214 * @name_space: the type namespace
4215 * @name: the type short name.
4217 * Obtains a MonoClass with a given namespace and a given name which
4218 * is located in the given MonoImage.
4221 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
4223 GHashTable *nspace_table;
4224 MonoImage *loaded_image;
4230 if ((nested = strchr (name, '/'))) {
4231 int pos = nested - name;
4232 int len = strlen (name);
4235 memcpy (buf, name, len + 1);
4237 nested = buf + pos + 1;
4241 if (get_class_from_name) {
4242 gboolean res = get_class_from_name (image, name_space, name, &class);
4245 return class ? return_nested_in (class, nested) : NULL;
4251 mono_loader_lock ();
4253 if (!image->name_cache)
4254 mono_image_init_name_cache (image);
4256 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
4259 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
4261 mono_loader_unlock ();
4266 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
4267 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
4268 guint32 cols [MONO_EXP_TYPE_SIZE];
4271 idx = mono_metadata_token_index (token);
4273 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
4275 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
4276 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
4277 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
4280 class = mono_class_from_name (loaded_image, name_space, name);
4282 return return_nested_in (class, nested);
4284 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
4285 MonoAssembly **references = image->references;
4286 if (!references [idx - 1])
4287 mono_assembly_load_reference (image, idx - 1);
4288 g_assert (references == image->references);
4289 g_assert (references [idx - 1]);
4290 if (references [idx - 1] == (gpointer)-1)
4293 /* FIXME: Cycle detection */
4294 return mono_class_from_name (references [idx - 1]->image, name_space, name);
4296 g_error ("not yet implemented");
4300 token = MONO_TOKEN_TYPE_DEF | token;
4302 class = mono_class_get (image, token);
4304 return return_nested_in (class, nested);
4309 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
4310 gboolean check_interfaces)
4312 g_assert (klassc->idepth > 0);
4313 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
4314 if ((klassc->interface_id <= klass->max_interface_id) &&
4315 (klass->interface_offsets [klassc->interface_id] >= 0))
4317 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
4320 for (i = 0; i < klass->interface_count; i ++) {
4321 MonoClass *ic = klass->interfaces [i];
4326 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
4331 * MS.NET thinks interfaces are a subclass of Object, so we think it as
4334 if (klassc == mono_defaults.object_class)
4341 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
4344 mono_class_init (klass);
4346 if (!oklass->inited)
4347 mono_class_init (oklass);
4349 if (MONO_CLASS_IS_INTERFACE (klass)) {
4350 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
4353 /* interface_offsets might not be set for dynamic classes */
4354 if (oklass->reflection_info && !oklass->interface_offsets)
4356 * oklass might be a generic type parameter but they have
4357 * interface_offsets set.
4359 return mono_reflection_call_is_assignable_to (oklass, klass);
4361 if ((klass->interface_id <= oklass->max_interface_id) &&
4362 (oklass->interface_offsets [klass->interface_id] != -1))
4364 } else if (klass->rank) {
4365 MonoClass *eclass, *eoclass;
4367 if (oklass->rank != klass->rank)
4370 /* vectors vs. one dimensional arrays */
4371 if (oklass->byval_arg.type != klass->byval_arg.type)
4374 eclass = klass->cast_class;
4375 eoclass = oklass->cast_class;
4378 * a is b does not imply a[] is b[] when a is a valuetype, and
4379 * b is a reference type.
4382 if (eoclass->valuetype) {
4383 if ((eclass == mono_defaults.enum_class) ||
4384 (eclass == mono_defaults.enum_class->parent) ||
4385 (eclass == mono_defaults.object_class))
4389 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
4390 } else if (mono_class_is_nullable (klass))
4391 return (mono_class_is_assignable_from (klass->cast_class, oklass));
4392 else if (klass == mono_defaults.object_class)
4395 return mono_class_has_parent (oklass, klass);
4399 * mono_class_get_cctor:
4401 * Returns the static constructor of @klass if it exists, NULL otherwise.
4404 mono_class_get_cctor (MonoClass *klass)
4406 MonoCachedClassInfo cached_info;
4408 if (!klass->has_cctor)
4411 if (mono_class_get_cached_class_info (klass, &cached_info))
4412 return mono_get_method (klass->image, cached_info.cctor_token, klass);
4414 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
4418 * mono_class_get_finalizer:
4420 * Returns the finalizer method of @klass if it exists, NULL otherwise.
4423 mono_class_get_finalizer (MonoClass *klass)
4425 MonoCachedClassInfo cached_info;
4428 mono_class_init (klass);
4429 if (!klass->has_finalize)
4432 if (mono_class_get_cached_class_info (klass, &cached_info))
4433 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
4435 mono_class_setup_vtable (klass);
4436 return klass->vtable [finalize_slot];
4441 * mono_class_needs_cctor_run:
4443 * Determines whenever the class has a static constructor and whenever it
4444 * needs to be called when executing CALLER.
4447 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
4451 method = mono_class_get_cctor (klass);
4453 return (method == caller) ? FALSE : TRUE;
4459 * mono_class_array_element_size:
4462 * Returns: the number of bytes an element of type @klass
4463 * uses when stored into an array.
4466 mono_class_array_element_size (MonoClass *klass)
4468 MonoType *type = &klass->byval_arg;
4471 switch (type->type) {
4474 case MONO_TYPE_BOOLEAN:
4478 case MONO_TYPE_CHAR:
4487 case MONO_TYPE_CLASS:
4488 case MONO_TYPE_STRING:
4489 case MONO_TYPE_OBJECT:
4490 case MONO_TYPE_SZARRAY:
4491 case MONO_TYPE_ARRAY:
4493 case MONO_TYPE_MVAR:
4494 return sizeof (gpointer);
4499 case MONO_TYPE_VALUETYPE:
4500 if (type->data.klass->enumtype) {
4501 type = type->data.klass->enum_basetype;
4502 klass = klass->element_class;
4505 return mono_class_instance_size (klass) - sizeof (MonoObject);
4506 case MONO_TYPE_GENERICINST:
4507 type = &type->data.generic_class->container_class->byval_arg;
4510 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
4516 * mono_array_element_size:
4517 * @ac: pointer to a #MonoArrayClass
4519 * Returns: the size of single array element.
4522 mono_array_element_size (MonoClass *ac)
4524 g_assert (ac->rank);
4525 return ac->sizes.element_size;
4529 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
4530 MonoGenericContext *context)
4532 if (image->dynamic) {
4533 MonoClass *tmp_handle_class;
4534 gpointer obj = mono_lookup_dynamic_token_class (image, token, &tmp_handle_class);
4536 g_assert (tmp_handle_class);
4538 *handle_class = tmp_handle_class;
4540 if (tmp_handle_class == mono_defaults.typehandle_class)
4541 return &((MonoClass*)obj)->byval_arg;
4546 switch (token & 0xff000000) {
4547 case MONO_TOKEN_TYPE_DEF:
4548 case MONO_TOKEN_TYPE_REF:
4549 case MONO_TOKEN_TYPE_SPEC: {
4552 *handle_class = mono_defaults.typehandle_class;
4553 class = mono_class_get_full (image, token, context);
4556 mono_class_init (class);
4557 /* We return a MonoType* as handle */
4558 return &class->byval_arg;
4560 case MONO_TOKEN_FIELD_DEF: {
4562 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
4564 *handle_class = mono_defaults.fieldhandle_class;
4565 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
4568 mono_class_init (class);
4569 return mono_class_get_field (class, token);
4571 case MONO_TOKEN_METHOD_DEF: {
4573 meth = mono_get_method_full (image, token, NULL, context);
4575 *handle_class = mono_defaults.methodhandle_class;
4578 case MONO_TOKEN_MEMBER_REF: {
4579 guint32 cols [MONO_MEMBERREF_SIZE];
4581 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
4582 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
4583 mono_metadata_decode_blob_size (sig, &sig);
4584 if (*sig == 0x6) { /* it's a field */
4586 MonoClassField *field;
4587 field = mono_field_from_token (image, token, &klass, context);
4589 *handle_class = mono_defaults.fieldhandle_class;
4593 meth = mono_get_method_full (image, token, NULL, context);
4595 *handle_class = mono_defaults.methodhandle_class;
4600 g_warning ("Unknown token 0x%08x in ldtoken", token);
4607 * This function might need to call runtime functions so it can't be part
4608 * of the metadata library.
4610 static MonoLookupDynamicToken lookup_dynamic = NULL;
4613 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
4615 lookup_dynamic = func;
4619 mono_lookup_dynamic_token (MonoImage *image, guint32 token)
4621 MonoClass *handle_class;
4623 return lookup_dynamic (image, token, &handle_class);
4627 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, MonoClass **handle_class)
4629 return lookup_dynamic (image, token, handle_class);
4632 static MonoGetCachedClassInfo get_cached_class_info = NULL;
4635 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
4637 get_cached_class_info = func;
4641 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
4643 if (!get_cached_class_info)
4646 return get_cached_class_info (klass, res);
4650 mono_install_get_class_from_name (MonoGetClassFromName func)
4652 get_class_from_name = func;
4656 mono_class_get_image (MonoClass *klass)
4658 return klass->image;
4662 * mono_class_get_element_class:
4663 * @klass: the MonoClass to act on
4665 * Returns: the element class of an array or an enumeration.
4668 mono_class_get_element_class (MonoClass *klass)
4670 return klass->element_class;
4674 * mono_class_is_valuetype:
4675 * @klass: the MonoClass to act on
4677 * Returns: true if the MonoClass represents a ValueType.
4680 mono_class_is_valuetype (MonoClass *klass)
4682 return klass->valuetype;
4686 * mono_class_is_enum:
4687 * @klass: the MonoClass to act on
4689 * Returns: true if the MonoClass represents an enumeration.
4692 mono_class_is_enum (MonoClass *klass)
4694 return klass->enumtype;
4698 * mono_class_enum_basetype:
4699 * @klass: the MonoClass to act on
4701 * Returns: the underlying type representation for an enumeration.
4704 mono_class_enum_basetype (MonoClass *klass)
4706 return klass->enum_basetype;
4710 * mono_class_get_parent
4711 * @klass: the MonoClass to act on
4713 * Returns: the parent class for this class.
4716 mono_class_get_parent (MonoClass *klass)
4718 return klass->parent;
4722 * mono_class_get_nesting_type;
4723 * @klass: the MonoClass to act on
4725 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
4728 mono_class_get_nesting_type (MonoClass *klass)
4730 return klass->nested_in;
4734 * mono_class_get_rank:
4735 * @klass: the MonoClass to act on
4737 * Returns: the rank for the array (the number of dimensions).
4740 mono_class_get_rank (MonoClass *klass)
4746 * mono_class_get_flags:
4747 * @klass: the MonoClass to act on
4749 * The type flags from the TypeDef table from the metadata.
4750 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
4753 * Returns: the flags from the TypeDef table.
4756 mono_class_get_flags (MonoClass *klass)
4758 return klass->flags;
4762 * mono_class_get_name
4763 * @klass: the MonoClass to act on
4765 * Returns: the name of the class.
4768 mono_class_get_name (MonoClass *klass)
4774 * mono_class_get_namespace:
4775 * @klass: the MonoClass to act on
4777 * Returns: the namespace of the class.
4780 mono_class_get_namespace (MonoClass *klass)
4782 return klass->name_space;
4786 * mono_class_get_type:
4787 * @klass: the MonoClass to act on
4789 * This method returns the internal Type representation for the class.
4791 * Returns: the MonoType from the class.
4794 mono_class_get_type (MonoClass *klass)
4796 return &klass->byval_arg;
4800 * mono_class_get_type_token
4801 * @klass: the MonoClass to act on
4803 * This method returns type token for the class.
4805 * Returns: the type token for the class.
4808 mono_class_get_type_token (MonoClass *klass)
4810 return klass->type_token;
4814 * mono_class_get_byref_type:
4815 * @klass: the MonoClass to act on
4820 mono_class_get_byref_type (MonoClass *klass)
4822 return &klass->this_arg;
4826 * mono_class_num_fields:
4827 * @klass: the MonoClass to act on
4829 * Returns: the number of static and instance fields in the class.
4832 mono_class_num_fields (MonoClass *klass)
4834 return klass->field.count;
4838 * mono_class_num_methods:
4839 * @klass: the MonoClass to act on
4841 * Returns: the number of methods in the class.
4844 mono_class_num_methods (MonoClass *klass)
4846 return klass->method.count;
4850 * mono_class_num_properties
4851 * @klass: the MonoClass to act on
4853 * Returns: the number of properties in the class.
4856 mono_class_num_properties (MonoClass *klass)
4858 mono_class_setup_properties (klass);
4860 return klass->property.count;
4864 * mono_class_num_events:
4865 * @klass: the MonoClass to act on
4867 * Returns: the number of events in the class.
4870 mono_class_num_events (MonoClass *klass)
4872 mono_class_setup_events (klass);
4874 return klass->event.count;
4878 * mono_class_get_fields:
4879 * @klass: the MonoClass to act on
4881 * This routine is an iterator routine for retrieving the fields in a class.
4883 * You must pass a gpointer that points to zero and is treated as an opaque handle to
4884 * iterate over all of the elements. When no more values are
4885 * available, the return value is NULL.
4887 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
4890 mono_class_get_fields (MonoClass* klass, gpointer *iter)
4892 MonoClassField* field;
4895 mono_class_setup_fields_locking (klass);
4897 /* start from the first */
4898 if (klass->field.count) {
4899 return *iter = &klass->fields [0];
4907 if (field < &klass->fields [klass->field.count]) {
4908 return *iter = field;
4914 * mono_class_get_methods
4915 * @klass: the MonoClass to act on
4917 * This routine is an iterator routine for retrieving the fields in a class.
4919 * You must pass a gpointer that points to zero and is treated as an opaque handle to
4920 * iterate over all of the elements. When no more values are
4921 * available, the return value is NULL.
4923 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
4926 mono_class_get_methods (MonoClass* klass, gpointer *iter)
4928 MonoMethod** method;
4932 mono_class_init (klass);
4934 mono_class_setup_methods (klass);
4935 /* start from the first */
4936 if (klass->method.count) {
4937 *iter = &klass->methods [0];
4938 return klass->methods [0];
4946 if (method < &klass->methods [klass->method.count]) {
4954 * mono_class_get_properties:
4955 * @klass: the MonoClass to act on
4957 * This routine is an iterator routine for retrieving the properties in a class.
4959 * You must pass a gpointer that points to zero and is treated as an opaque handle to
4960 * iterate over all of the elements. When no more values are
4961 * available, the return value is NULL.
4963 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
4966 mono_class_get_properties (MonoClass* klass, gpointer *iter)
4968 MonoProperty* property;
4972 mono_class_init (klass);
4974 mono_class_setup_properties (klass);
4975 /* start from the first */
4976 if (klass->property.count) {
4977 return *iter = &klass->properties [0];
4985 if (property < &klass->properties [klass->property.count]) {
4986 return *iter = property;
4992 * mono_class_get_events:
4993 * @klass: the MonoClass to act on
4995 * This routine is an iterator routine for retrieving the properties in a class.
4997 * You must pass a gpointer that points to zero and is treated as an opaque handle to
4998 * iterate over all of the elements. When no more values are
4999 * available, the return value is NULL.
5001 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
5004 mono_class_get_events (MonoClass* klass, gpointer *iter)
5010 mono_class_init (klass);
5012 mono_class_setup_events (klass);
5013 /* start from the first */
5014 if (klass->event.count) {
5015 return *iter = &klass->events [0];
5023 if (event < &klass->events [klass->event.count]) {
5024 return *iter = event;
5030 * mono_class_get_interfaces
5031 * @klass: the MonoClass to act on
5033 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
5035 * You must pass a gpointer that points to zero and is treated as an opaque handle to
5036 * iterate over all of the elements. When no more values are
5037 * available, the return value is NULL.
5039 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
5042 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
5048 mono_class_init (klass);
5050 /* start from the first */
5051 if (klass->interface_count) {
5052 *iter = &klass->interfaces [0];
5053 return klass->interfaces [0];
5061 if (iface < &klass->interfaces [klass->interface_count]) {
5069 * mono_class_get_nested_types
5070 * @klass: the MonoClass to act on
5072 * This routine is an iterator routine for retrieving the nested types of a class.
5074 * You must pass a gpointer that points to zero and is treated as an opaque handle to
5075 * iterate over all of the elements. When no more values are
5076 * available, the return value is NULL.
5078 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
5081 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
5087 mono_class_init (klass);
5089 /* start from the first */
5090 if (klass->nested_classes) {
5091 *iter = klass->nested_classes;
5092 return klass->nested_classes->data;
5094 /* no nested types */
5108 * mono_field_get_name:
5109 * @field: the MonoClassField to act on
5111 * Returns: the name of the field.
5114 mono_field_get_name (MonoClassField *field)
5120 * mono_field_get_type:
5121 * @field: the MonoClassField to act on
5123 * Returns: MonoType of the field.
5126 mono_field_get_type (MonoClassField *field)
5132 * mono_field_get_type:
5133 * @field: the MonoClassField to act on
5135 * Returns: MonoClass where the field was defined.
5138 mono_field_get_parent (MonoClassField *field)
5140 return field->parent;
5144 * mono_field_get_flags;
5145 * @field: the MonoClassField to act on
5147 * The metadata flags for a field are encoded using the
5148 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
5150 * Returns: the flags for the field.
5153 mono_field_get_flags (MonoClassField *field)
5155 return field->type->attrs;
5159 * mono_field_get_data;
5160 * @field: the MonoClassField to act on
5162 * Returns: pointer to the metadata constant value or to the field
5163 * data if it has an RVA flag.
5166 mono_field_get_data (MonoClassField *field)
5172 * mono_property_get_name:
5173 * @prop: the MonoProperty to act on
5175 * Returns: the name of the property
5178 mono_property_get_name (MonoProperty *prop)
5184 * mono_property_get_set_method
5185 * @prop: the MonoProperty to act on.
5187 * Returns: the setter method of the property (A MonoMethod)
5190 mono_property_get_set_method (MonoProperty *prop)
5196 * mono_property_get_get_method
5197 * @prop: the MonoProperty to act on.
5199 * Returns: the setter method of the property (A MonoMethod)
5202 mono_property_get_get_method (MonoProperty *prop)
5208 * mono_property_get_parent:
5209 * @prop: the MonoProperty to act on.
5211 * Returns: the MonoClass where the property was defined.
5214 mono_property_get_parent (MonoProperty *prop)
5216 return prop->parent;
5220 * mono_property_get_flags:
5221 * @prop: the MonoProperty to act on.
5223 * The metadata flags for a property are encoded using the
5224 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
5226 * Returns: the flags for the property.
5229 mono_property_get_flags (MonoProperty *prop)
5235 * mono_event_get_name:
5236 * @event: the MonoEvent to act on
5238 * Returns: the name of the event.
5241 mono_event_get_name (MonoEvent *event)
5247 * mono_event_get_add_method:
5248 * @event: The MonoEvent to act on.
5250 * Returns: the @add' method for the event (a MonoMethod).
5253 mono_event_get_add_method (MonoEvent *event)
5259 * mono_event_get_remove_method:
5260 * @event: The MonoEvent to act on.
5262 * Returns: the @remove method for the event (a MonoMethod).
5265 mono_event_get_remove_method (MonoEvent *event)
5267 return event->remove;
5271 * mono_event_get_raise_method:
5272 * @event: The MonoEvent to act on.
5274 * Returns: the @raise method for the event (a MonoMethod).
5277 mono_event_get_raise_method (MonoEvent *event)
5279 return event->raise;
5283 * mono_event_get_parent:
5284 * @event: the MonoEvent to act on.
5286 * Returns: the MonoClass where the event is defined.
5289 mono_event_get_parent (MonoEvent *event)
5291 return event->parent;
5295 * mono_event_get_flags
5296 * @event: the MonoEvent to act on.
5298 * The metadata flags for an event are encoded using the
5299 * EVENT_* constants. See the tabledefs.h file for details.
5301 * Returns: the flags for the event.
5304 mono_event_get_flags (MonoEvent *event)
5306 return event->attrs;
5310 * mono_class_get_method_from_name:
5311 * @klass: where to look for the method
5312 * @name_space: name of the method
5313 * @param_count: number of parameters. -1 for any number.
5315 * Obtains a MonoMethod with a given name and number of parameters.
5316 * It only works if there are no multiple signatures for any given method name.
5319 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
5321 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
5325 * mono_class_get_method_from_name_flags:
5326 * @klass: where to look for the method
5327 * @name_space: name of the method
5328 * @param_count: number of parameters. -1 for any number.
5329 * @flags: flags which must be set in the method
5331 * Obtains a MonoMethod with a given name and number of parameters.
5332 * It only works if there are no multiple signatures for any given method name.
5335 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
5337 MonoMethod *res = NULL;
5340 mono_class_init (klass);
5342 if (klass->methods) {
5343 mono_class_setup_methods (klass);
5344 for (i = 0; i < klass->method.count; ++i) {
5345 MonoMethod *method = klass->methods [i];
5347 if (method->name[0] == name [0] &&
5348 !strcmp (name, method->name) &&
5349 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
5350 ((method->flags & flags) == flags)) {
5357 /* Search directly in the metadata to avoid calling setup_methods () */
5358 for (i = 0; i < klass->method.count; ++i) {
5359 guint32 cols [MONO_METHOD_SIZE];
5362 /* class->method.first points into the methodptr table */
5363 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
5365 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
5366 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
5367 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
5379 * mono_class_set_failure:
5380 * @klass: class in which the failure was detected
5381 * @ex_type: the kind of exception/error to be thrown (later)
5382 * @ex_data: exception data (specific to each type of exception/error)
5384 * Keep a detected failure informations in the class for later processing.
5385 * Note that only the first failure is kept.
5388 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
5390 if (klass->exception_type)
5392 klass->exception_type = ex_type;
5393 klass->exception_data = ex_data;
5398 * mono_classes_init:
5400 * Initialize the resources used by this module.
5403 mono_classes_init (void)
5408 * mono_classes_cleanup:
5410 * Free the resources used by this module.
5413 mono_classes_cleanup (void)
5415 IOffsetInfo *cached_info, *next;
5417 if (global_interface_bitset)
5418 mono_bitset_free (global_interface_bitset);
5420 for (cached_info = cached_offset_info; cached_info;) {
5421 next = cached_info->next;
5423 g_free (cached_info);
5429 * mono_class_get_exception_for_failure:
5430 * @klass: class in which the failure was detected
5432 * Return a constructed MonoException than the caller can then throw
5433 * using mono_raise_exception - or NULL if no failure is present (or
5434 * doesn't result in an exception).
5437 mono_class_get_exception_for_failure (MonoClass *klass)
5439 switch (klass->exception_type) {
5440 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
5441 MonoDomain *domain = mono_domain_get ();
5442 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5443 MonoMethod *method = klass->exception_data;
5444 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
5445 MonoObject *exc = NULL;
5449 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
5450 args [2] = mono_type_get_object (domain, &klass->byval_arg);
5451 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
5453 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
5454 return (MonoException*) exc;
5456 case MONO_EXCEPTION_TYPE_LOAD: {
5459 char *str = mono_type_get_full_name (klass);
5460 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
5461 name = mono_string_new (mono_domain_get (), str);
5463 ex = mono_get_exception_type_load (name, astr);
5468 MonoLoaderError *error;
5471 error = mono_loader_get_last_error ();
5473 ex = mono_loader_error_prepare_exception (error);
5477 /* TODO - handle other class related failures */