3 * Copyright 2016 Microsoft
4 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
6 #ifndef __MONO_METADATA_REFLECTION_CACHE_H__
7 #define __MONO_METADATA_REFLECTION_CACHE_H__
10 #include <mono/metadata/domain-internals.h>
11 #include <mono/metadata/handle.h>
12 #include <mono/metadata/mono-hash.h>
13 #include <mono/metadata/mempool.h>
14 #include <mono/utils/mono-error-internals.h>
17 * We need to return always the same object for MethodInfo, FieldInfo etc..
18 * but we need to consider the reflected type.
19 * type uses a different hash, since it uses custom hash/equal functions.
28 reflected_equal (gconstpointer a, gconstpointer b);
31 reflected_hash (gconstpointer a);
34 /* ReflectedEntry doesn't need to be GC tracked */
35 #define ALLOC_REFENTRY g_new0 (ReflectedEntry, 1)
36 #define FREE_REFENTRY(entry) g_free ((entry))
37 #define REFENTRY_REQUIRES_CLEANUP
39 #define ALLOC_REFENTRY (ReflectedEntry *)mono_mempool_alloc (domain->mp, sizeof (ReflectedEntry))
41 #define FREE_REFENTRY(entry)
44 static inline MonoObject*
45 cache_object (MonoDomain *domain, MonoClass *klass, gpointer item, MonoObject* o)
52 mono_domain_lock (domain);
53 if (!domain->refobject_hash)
54 domain->refobject_hash = mono_conc_g_hash_table_new_type (reflected_hash, reflected_equal, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain reflection objects table");
56 obj = (MonoObject*) mono_conc_g_hash_table_lookup (domain->refobject_hash, &pe);
58 ReflectedEntry *e = ALLOC_REFENTRY;
61 mono_conc_g_hash_table_insert (domain->refobject_hash, e, o);
64 mono_domain_unlock (domain);
69 static inline MonoObjectHandle
70 cache_object_handle (MonoDomain *domain, MonoClass *klass, gpointer item, MonoObjectHandle o)
76 mono_domain_lock (domain);
77 if (!domain->refobject_hash)
78 domain->refobject_hash = mono_conc_g_hash_table_new_type (reflected_hash, reflected_equal, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain reflection objects table");
80 MonoObjectHandle obj = MONO_HANDLE_NEW (MonoObject, mono_conc_g_hash_table_lookup (domain->refobject_hash, &pe));
81 if (MONO_HANDLE_IS_NULL (obj)) {
82 ReflectedEntry *e = ALLOC_REFENTRY;
85 mono_conc_g_hash_table_insert (domain->refobject_hash, e, MONO_HANDLE_RAW (o));
86 MONO_HANDLE_ASSIGN (obj, o);
88 mono_domain_unlock (domain);
92 #define CACHE_OBJECT(t,p,o,k) ((t) (cache_object (domain, (k), (p), (o))))
93 #define CACHE_OBJECT_HANDLE(t,p,o,k) ((t) (cache_object_handle (domain, (k), (p), (o))))
95 static inline MonoObjectHandle
96 check_object_handle (MonoDomain* domain, MonoClass *klass, gpointer item)
101 MonoConcGHashTable *hash = domain->refobject_hash;
103 return MONO_HANDLE_NEW (MonoObject, NULL);
105 MonoObjectHandle obj = MONO_HANDLE_NEW (MonoObject, mono_conc_g_hash_table_lookup (hash, &e));
110 typedef MonoObjectHandle (*ReflectionCacheConstructFunc_handle) (MonoDomain*, MonoClass*, gpointer, gpointer, MonoError *);
112 static inline MonoObjectHandle
113 check_or_construct_handle (MonoDomain *domain, MonoClass *klass, gpointer item, gpointer user_data, MonoError *error, ReflectionCacheConstructFunc_handle construct)
116 MonoObjectHandle obj = check_object_handle (domain, klass, item);
117 if (!MONO_HANDLE_IS_NULL (obj))
119 MONO_HANDLE_ASSIGN (obj, construct (domain, klass, item, user_data, error));
120 return_val_if_nok (error, NULL);
121 if (MONO_HANDLE_IS_NULL (obj))
123 /* note no caching if there was an error in construction */
124 return cache_object_handle (domain, klass, item, obj);
128 #define CHECK_OR_CONSTRUCT_HANDLE(t,p,k,construct,ud) ((t) check_or_construct_handle (domain, (k), (p), (ud), error, (ReflectionCacheConstructFunc_handle) (construct)))
131 #endif /*__MONO_METADATA_REFLECTION_CACHE_H__*/