1 #ifndef _MONO_CLI_CLASS_H_
2 #define _MONO_CLI_CLASS_H_
4 #include <mono/metadata/metadata.h>
5 #include <mono/metadata/image.h>
6 #include <mono/metadata/loader.h>
8 #define MONO_CLASS_IS_ARRAY(c) ((c)->rank)
10 #define MONO_DEFAULT_SUPERTABLE_SIZE 6
12 extern gboolean mono_print_vtable;
13 typedef struct MonoVTable MonoVTable;
21 * MonoClassField is just a runtime representation of the metadata for
22 * field, it doesn't contain the data directly. Static fields are
23 * stored in MonoVTable->data. Instance fields are allocated in the
24 * objects after the object header.
27 /* Type of the field */
31 * Offset where this field is stored; if it is an instance
32 * field, it's the offset from the start of the object, if
33 * it's static, it's from the start of the memory chunk
34 * allocated for statics for the class.
41 * Pointer to the data (from the RVA address, valid only for
42 * fields with the has rva flag).
46 /* Type where the field was defined */
50 * If the field is constant, pointer to the metadata where the
51 * constant value can be loaded. Initialized lazily during vtable creation.
53 MonoConstant *def_value;
56 /* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
57 #define mono_field_is_deleted(field) ((field)->name[0] == '_' && ((field)->type->attrs & 0x600) && (strcmp ((field)->name, "_Deleted") == 0))
60 MonoClassField *field;
62 MonoMarshalSpec *mspec;
68 MonoMarshalField fields [MONO_ZERO_LEN_ARRAY];
90 /* The underlying type of the enum */
91 MonoType *enum_basetype;
92 /* element class for arrays and enum */
93 MonoClass *element_class;
94 /* used for subtype checks */
95 MonoClass *cast_class;
100 /* We use init_pending to detect cyclic calls to mono_class_init */
101 guint init_pending : 1;
103 /* A class contains static and non static data. Static data can be
104 * of the same type as the class itselfs, but it does not influence
105 * the instance size of the class. To avoid cyclic calls to
106 * mono_class_init (from mono_class_instance_size ()) we first
107 * initialise all non static fields. After that we set size_inited
108 * to 1, because we know the instance size now. After that we
109 * initialise all static fields.
111 guint size_inited : 1;
112 guint valuetype : 1; /* derives from System.ValueType */
113 guint enumtype : 1; /* derives from System.Enum */
114 guint blittable : 1; /* class is blittable */
115 guint unicode : 1; /* class uses unicode char when marshalled */
116 guint wastypebuilder : 1; /* class was created at runtime from a TypeBuilder */
119 guint packing_size : 4;
121 guint ghcimpl : 1; /* class has its own GetHashCode impl */
122 guint has_finalize : 1; /* class has its own Finalize impl */
123 guint marshalbyref : 1; /* class is a MarshalByRefObject */
124 guint contextbound : 1; /* class is a ContextBoundObject */
125 guint delegate : 1; /* class is a Delegate */
126 guint gc_descr_inited : 1; /* gc_descr is initialized */
127 guint dummy : 1; /* temporary hack */
130 MonoClass *nested_in;
131 GList *nested_classes;
135 const char *name_space;
137 guint interface_count;
138 guint interface_id; /* unique inderface id (for interfaces) */
139 guint max_interface_id;
140 gint *interface_offsets;
141 MonoClass **interfaces;
143 /* for fast subtype checks */
145 MonoClass **supertypes;
148 * Computed object instance size, total.
152 int vtable_size; /* number of slots */
155 * From the TypeDef table
161 } field, method, property, event;
163 /* loaded on demand */
164 MonoMarshalType *marshal_info;
167 * Field information: Type and location from object base
169 MonoClassField *fields;
171 MonoProperty *properties;
175 MonoMethod **methods;
177 /* used as the type of the this argument and when passing the arg by value */
181 MonoType *generic_inst;
182 MonoGenericParam *gen_params;
183 guint16 num_gen_params;
185 void *reflection_info;
190 MonoMethod *ptr_to_str;
191 MonoMethod *str_to_ptr;
193 MonoVTable *cached_vtable;
200 * According to comments in gc_gcj.h, this should be the second word in
204 MonoDomain *domain; /* each object/vtable belongs to exactly one domain */
205 guint max_interface_id;
206 gpointer *interface_offsets;
207 gpointer data; /* to store static class data */
208 gpointer type; /* System.Type type for klass */
209 guint remote : 1; /* class is remotely activated */
210 guint initialized : 1; /* cctor has been run */
211 guint initializing : 1; /* cctor is running */
212 /* do not add any fields after vtable, the structure is dynamically extended */
213 gpointer vtable [MONO_ZERO_LEN_ARRAY];
217 * Generic instantiation data type encoding.
219 struct _MonoGenericInst {
223 MonoType *generic_type;
224 MonoMethod *generic_method;
226 MonoType **type_argv;
228 MonoType **mtype_argv;
230 guint initialized : 1;
231 guint init_pending : 1;
234 struct _MonoGenericParam {
240 MonoClass** constraints; /* NULL means end of list */
243 #define mono_class_has_parent(klass,parent) ((klass)->idepth >= (parent)->idepth) && ((klass)->supertypes [(parent)->idepth - 1] == (parent))
246 gulong new_object_count;
247 gulong initialized_class_count;
248 gulong used_class_count;
249 gulong class_vtable_size;
250 gulong class_static_data_size;
253 extern MonoStats mono_stats;
255 typedef gpointer (*MonoTrampoline) (MonoMethod *method);
257 typedef gpointer (*MonoLookupDynamicToken) (MonoImage *image, guint32 token);
260 mono_classes_init (void);
263 mono_class_get (MonoImage *image, guint32 type_token);
266 mono_class_init (MonoClass *klass);
269 mono_class_layout_fields (MonoClass *klass);
272 mono_class_setup_vtable (MonoClass *klass, MonoMethod **overrides, int onum);
275 mono_class_vtable (MonoDomain *domain, MonoClass *klass);
278 mono_class_proxy_vtable (MonoDomain *domain, MonoClass *klass);
281 mono_class_setup_mono_type (MonoClass *klass);
284 mono_class_setup_parent (MonoClass *klass, MonoClass *parent);
287 mono_class_setup_supertypes (MonoClass *klass);
290 mono_class_from_name (MonoImage *image, const char* name_space, const char *name);
293 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name);
296 mono_class_from_typeref (MonoImage *image, guint32 type_token);
299 mono_class_is_open_constructed_type (MonoType *t);
302 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar);
305 mono_class_from_generic (MonoType *gtype, gboolean inflate_methods);
308 mono_class_inflate_generic_type (MonoType *type, MonoGenericInst *ginst);
311 mono_class_inflate_generic_signature (MonoImage *image, MonoMethodSignature *sig, MonoGenericInst *ginst);
314 mono_class_inflate_generic_method (MonoMethod *method, MonoGenericInst *ginst);
317 mono_field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass);
320 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass);
323 mono_class_get_overrides (MonoImage *image, guint32 type_token, gint32 *num_overrides);
326 mono_bounded_array_class_get (MonoClass *element_class, guint32 rank, gboolean bounded);
329 mono_array_class_get (MonoClass *element_class, guint32 rank);
332 mono_ptr_class_get (MonoType *type);
335 mono_class_get_field (MonoClass *klass, guint32 field_token);
338 mono_class_get_field_from_name (MonoClass *klass, const char *name);
341 mono_class_get_property_from_name (MonoClass *klass, const char *name);
344 mono_array_element_size (MonoClass *ac);
347 mono_class_instance_size (MonoClass *klass);
350 mono_class_array_element_size (MonoClass *klass);
353 mono_class_data_size (MonoClass *klass);
356 mono_class_value_size (MonoClass *klass, guint32 *align);
359 mono_class_min_align (MonoClass *klass);
362 mono_class_from_mono_type (MonoType *type);
365 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
366 gboolean check_interfaces);
369 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass);
372 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller);
375 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **retclass);
378 mono_type_get_name (MonoType *type);
381 mono_install_trampoline (MonoTrampoline func);
384 mono_install_remoting_trampoline (MonoTrampoline func);
387 mono_lookup_dynamic_token (MonoImage *image, guint32 token);
390 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func);
393 mono_install_get_config_dir(void);
395 #endif /* _MONO_CLI_CLASS_H_ */