2 // typemanager.cs: C# type manager
4 // Author: Miguel de Icaza (miguel@gnu.org)
5 // Ravi Pratap (ravi@ximian.com)
6 // Marek Safar (marek.safar@seznam.cz)
8 // Dual licensed under the terms of the MIT X11 or GNU GPL
10 // Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
11 // Copyright 2003-2008 Novell, Inc.
15 // We will eventually remove the SIMPLE_SPEEDUP, and should never change
16 // the behavior of the compilation. This can be removed if we rework
17 // the code to get a list of namespaces available.
19 #define SIMPLE_SPEEDUP
23 using System
.Globalization
;
24 using System
.Collections
;
25 using System
.Reflection
;
26 using System
.Reflection
.Emit
;
28 using System
.Runtime
.CompilerServices
;
29 using System
.Diagnostics
;
31 namespace Mono
.CSharp
{
33 partial class TypeManager
{
35 // A list of core types that the compiler requires or uses
37 static public Type object_type
;
38 static public Type value_type
;
39 static public Type string_type
;
40 static public Type int32_type
;
41 static public Type uint32_type
;
42 static public Type int64_type
;
43 static public Type uint64_type
;
44 static public Type float_type
;
45 static public Type double_type
;
46 static public Type char_type
;
47 static public Type short_type
;
48 static public Type decimal_type
;
49 static public Type bool_type
;
50 static public Type sbyte_type
;
51 static public Type byte_type
;
52 static public Type ushort_type
;
53 static public Type enum_type
;
54 static public Type delegate_type
;
55 static public Type multicast_delegate_type
;
56 static public Type void_type
;
57 static public Type null_type
;
58 static public Type array_type
;
59 static public Type runtime_handle_type
;
60 static public Type type_type
;
61 static public Type ienumerator_type
;
62 static public Type ienumerable_type
;
63 static public Type idisposable_type
;
64 static public Type iasyncresult_type
;
65 static public Type asynccallback_type
;
66 static public Type intptr_type
;
67 static public Type uintptr_type
;
68 static public Type runtime_field_handle_type
;
69 static public Type runtime_argument_handle_type
;
70 static public Type attribute_type
;
71 static public Type void_ptr_type
;
72 static public Type exception_type
;
74 static public Type typed_reference_type
;
75 static public Type arg_iterator_type
;
76 static public Type mbr_type
;
77 public static Type runtime_helpers_type
;
82 static internal Type isvolatile_type
;
83 static public Type generic_ilist_type
;
84 static public Type generic_icollection_type
;
85 static public Type generic_ienumerator_type
;
86 static public Type generic_ienumerable_type
;
87 static public Type generic_nullable_type
;
92 static internal Type expression_type
;
93 public static Type parameter_expression_type
;
94 public static Type fieldinfo_type
;
95 public static Type methodinfo_type
;
96 public static Type ctorinfo_type
;
101 public static Type call_site_type
;
102 public static Type generic_call_site_type
;
103 public static TypeExpr binder_type
;
104 public static Type binder_flags
;
107 // Expressions representing the internal types. Used during declaration
110 static public TypeExpr system_object_expr
, system_string_expr
;
111 static public TypeExpr system_boolean_expr
, system_decimal_expr
;
112 static public TypeExpr system_single_expr
, system_double_expr
;
113 static public TypeExpr system_sbyte_expr
, system_byte_expr
;
114 static public TypeExpr system_int16_expr
, system_uint16_expr
;
115 static public TypeExpr system_int32_expr
, system_uint32_expr
;
116 static public TypeExpr system_int64_expr
, system_uint64_expr
;
117 static public TypeExpr system_char_expr
, system_void_expr
;
118 static public TypeExpr system_valuetype_expr
;
119 static public TypeExpr system_intptr_expr
;
120 public static TypeExpr expression_type_expr
;
124 // These methods are called by code generated by the compiler
126 static public FieldInfo string_empty
;
127 static public MethodInfo system_type_get_type_from_handle
;
128 static public MethodInfo bool_movenext_void
;
129 static public MethodInfo void_dispose_void
;
130 static public MethodInfo void_monitor_enter_object
;
131 static public MethodInfo void_monitor_exit_object
;
132 static public MethodInfo void_initializearray_array_fieldhandle
;
133 static public MethodInfo delegate_combine_delegate_delegate
;
134 static public MethodInfo delegate_remove_delegate_delegate
;
135 static public PropertyInfo int_get_offset_to_string_data
;
136 static public MethodInfo int_interlocked_compare_exchange
;
137 static public PropertyInfo ienumerator_getcurrent
;
138 public static MethodInfo methodbase_get_type_from_handle
;
139 public static MethodInfo methodbase_get_type_from_handle_generic
;
140 public static MethodInfo fieldinfo_get_field_from_handle
;
141 public static MethodInfo fieldinfo_get_field_from_handle_generic
;
142 static public MethodInfo activator_create_instance
;
147 static public ConstructorInfo void_decimal_ctor_five_args
;
148 static public ConstructorInfo void_decimal_ctor_int_arg
;
149 public static ConstructorInfo void_decimal_ctor_long_arg
;
151 static PtrHashtable builder_to_declspace
;
153 static PtrHashtable builder_to_member_cache
;
156 // Tracks the interfaces implemented by typebuilders. We only
157 // enter those who do implement or or more interfaces
159 static PtrHashtable builder_to_ifaces
;
162 // Maps a MethodBase to its ParameterData (either InternalParameters or ReflectionParameters)
164 static Hashtable method_params
;
167 // A hash table from override methods to their base virtual method.
169 static Hashtable method_overrides
;
172 // Keeps track of methods
175 static Hashtable builder_to_method
;
178 // Contains all public types from referenced assemblies.
179 // This member is used only if CLS Compliance verification is required.
181 public static Hashtable AllClsTopLevelTypes
;
183 static Hashtable fieldbuilders_to_fields
;
184 static Hashtable propertybuilder_to_property
;
185 static Hashtable fields
;
186 static Hashtable events
;
187 static PtrHashtable assembly_internals_vis_attrs
;
189 public static void CleanUp ()
191 // Lets get everything clean so that we can collect before generating code
192 builder_to_declspace
= null;
193 builder_to_member_cache
= null;
194 builder_to_ifaces
= null;
195 builder_to_type_param
= null;
196 method_params
= null;
197 builder_to_method
= null;
202 propertybuilder_to_property
= null;
204 TypeHandle
.CleanUp ();
208 // These are expressions that represent some of the internal data types, used
211 static void InitExpressionTypes ()
213 system_object_expr
= new TypeLookupExpression ("System", "Object");
214 system_string_expr
= new TypeLookupExpression ("System", "String");
215 system_boolean_expr
= new TypeLookupExpression ("System", "Boolean");
216 system_decimal_expr
= new TypeLookupExpression ("System", "Decimal");
217 system_single_expr
= new TypeLookupExpression ("System", "Single");
218 system_double_expr
= new TypeLookupExpression ("System", "Double");
219 system_sbyte_expr
= new TypeLookupExpression ("System", "SByte");
220 system_byte_expr
= new TypeLookupExpression ("System", "Byte");
221 system_int16_expr
= new TypeLookupExpression ("System", "Int16");
222 system_uint16_expr
= new TypeLookupExpression ("System", "UInt16");
223 system_int32_expr
= new TypeLookupExpression ("System", "Int32");
224 system_uint32_expr
= new TypeLookupExpression ("System", "UInt32");
225 system_int64_expr
= new TypeLookupExpression ("System", "Int64");
226 system_uint64_expr
= new TypeLookupExpression ("System", "UInt64");
227 system_char_expr
= new TypeLookupExpression ("System", "Char");
228 system_void_expr
= new TypeLookupExpression ("System", "Void");
229 system_valuetype_expr
= new TypeLookupExpression ("System", "ValueType");
230 system_intptr_expr
= new TypeLookupExpression ("System", "IntPtr");
233 static TypeManager ()
238 static public void Reset ()
242 InitExpressionTypes ();
244 builder_to_declspace
= new PtrHashtable ();
245 builder_to_member_cache
= new PtrHashtable ();
246 builder_to_method
= new PtrHashtable ();
247 builder_to_type_param
= new PtrHashtable ();
248 method_params
= new PtrHashtable ();
249 method_overrides
= new PtrHashtable ();
250 builder_to_ifaces
= new PtrHashtable ();
252 fieldbuilders_to_fields
= new Hashtable ();
253 propertybuilder_to_property
= new Hashtable ();
254 fields
= new Hashtable ();
255 type_hash
= new DoubleHash ();
256 assembly_internals_vis_attrs
= new PtrHashtable ();
257 iface_cache
= new PtrHashtable ();
259 closure
= new Closure ();
260 FilterWithClosure_delegate
= new MemberFilter (closure
.Filter
);
262 // TODO: I am really bored by all this static stuff
263 system_type_get_type_from_handle
=
266 void_monitor_enter_object
=
267 void_monitor_exit_object
=
268 void_initializearray_array_fieldhandle
=
269 delegate_combine_delegate_delegate
=
270 delegate_remove_delegate_delegate
=
271 int_interlocked_compare_exchange
=
272 methodbase_get_type_from_handle
=
273 methodbase_get_type_from_handle_generic
=
274 fieldinfo_get_field_from_handle
=
275 fieldinfo_get_field_from_handle_generic
=
276 activator_create_instance
= null;
278 int_get_offset_to_string_data
=
279 ienumerator_getcurrent
= null;
281 void_decimal_ctor_five_args
=
282 void_decimal_ctor_int_arg
=
283 void_decimal_ctor_long_arg
= null;
285 isvolatile_type
= null;
288 generic_call_site_type
=
293 // to uncover regressions
294 AllClsTopLevelTypes
= null;
297 public static void AddUserType (DeclSpace ds
)
299 builder_to_declspace
.Add (ds
.TypeBuilder
, ds
);
303 // This entry point is used by types that we define under the covers
305 public static void RegisterBuilder (Type tb
, Type
[] ifaces
)
308 builder_to_ifaces
[tb
] = ifaces
;
311 public static void AddMethod (MethodBase builder
, IMethodData method
)
313 builder_to_method
.Add (builder
, method
);
314 method_params
.Add (builder
, method
.ParameterInfo
);
317 public static IMethodData
GetMethod (MethodBase builder
)
319 return (IMethodData
) builder_to_method
[builder
];
323 /// Returns the DeclSpace whose Type is `t' or null if there is no
324 /// DeclSpace for `t' (ie, the Type comes from a library)
326 public static DeclSpace
LookupDeclSpace (Type t
)
328 return builder_to_declspace
[t
] as DeclSpace
;
332 /// Returns the TypeContainer whose Type is `t' or null if there is no
333 /// TypeContainer for `t' (ie, the Type comes from a library)
335 public static TypeContainer
LookupTypeContainer (Type t
)
337 return builder_to_declspace
[t
] as TypeContainer
;
340 public static MemberCache
LookupMemberCache (Type t
)
342 if (IsBeingCompiled (t
)) {
343 DeclSpace container
= (DeclSpace
)builder_to_declspace
[t
];
344 if (container
!= null)
345 return container
.MemberCache
;
348 if (t
is GenericTypeParameterBuilder
) {
349 TypeParameter container
= builder_to_type_param
[t
] as TypeParameter
;
351 if (container
!= null)
352 return container
.MemberCache
;
355 return TypeHandle
.GetMemberCache (t
);
358 public static MemberCache
LookupBaseInterfacesCache (Type t
)
360 Type
[] ifaces
= GetInterfaces (t
);
362 if (ifaces
!= null && ifaces
.Length
== 1)
363 return LookupMemberCache (ifaces
[0]);
365 // TODO: the builder_to_member_cache should be indexed by 'ifaces', not 't'
366 MemberCache cache
= builder_to_member_cache
[t
] as MemberCache
;
370 cache
= new MemberCache (ifaces
);
371 builder_to_member_cache
.Add (t
, cache
);
375 public static TypeContainer
LookupInterface (Type t
)
377 TypeContainer tc
= (TypeContainer
) builder_to_declspace
[t
];
378 if ((tc
== null) || (tc
.Kind
!= Kind
.Interface
))
384 public static Delegate
LookupDelegate (Type t
)
386 return builder_to_declspace
[t
] as Delegate
;
389 public static Class
LookupClass (Type t
)
391 return (Class
) builder_to_declspace
[t
];
395 // We use this hash for multiple kinds of constructed types:
397 // (T, "&") Given T, get T &
398 // (T, "*") Given T, get T *
399 // (T, "[]") Given T and a array dimension, get T []
400 // (T, X) Given a type T and a simple name X, get the type T+X
402 // Accessibility tests, if necessary, should be done by the user
404 static DoubleHash type_hash
= new DoubleHash ();
407 // Gets the reference to T version of the Type (T&)
409 public static Type
GetReferenceType (Type t
)
411 return t
.MakeByRefType ();
415 // Gets the pointer to T version of the Type (T*)
417 public static Type
GetPointerType (Type t
)
419 return GetConstructedType (t
, "*");
422 public static Type
GetConstructedType (Type t
, string dim
)
425 if (type_hash
.Lookup (t
, dim
, out ret
))
428 if (IsDynamicType (t
)) {
429 ret
= new DynamicArrayType (dim
.Length
- 1);
430 type_hash
.Insert (t
, dim
, ret
);
434 ret
= t
.Module
.GetType (t
.ToString () + dim
);
436 type_hash
.Insert (t
, dim
, ret
);
441 ret
= GetReferenceType (t
);
442 type_hash
.Insert (t
, dim
, ret
);
446 if (t
.IsGenericParameter
|| t
.IsGenericType
) {
449 while ((pos
< dim
.Length
) && (dim
[pos
] == '[')) {
452 if (dim
[pos
] == ']') {
453 result
= result
.MakeArrayType ();
456 if (pos
< dim
.Length
)
459 type_hash
.Insert (t
, dim
, result
);
464 while (dim
[pos
] == ',') {
468 if ((dim
[pos
] != ']') || (pos
!= dim
.Length
-1))
471 result
= result
.MakeArrayType (rank
+ 1);
472 type_hash
.Insert (t
, dim
, result
);
477 type_hash
.Insert (t
, dim
, null);
481 public static Type
GetNestedType (Type t
, string name
)
484 if (!type_hash
.Lookup (t
, name
, out ret
)) {
485 ret
= t
.GetNestedType (name
,
486 BindingFlags
.Static
| BindingFlags
.Public
| BindingFlags
.NonPublic
| BindingFlags
.DeclaredOnly
);
487 type_hash
.Insert (t
, name
, ret
);
493 /// Fills static table with exported types from all referenced assemblies.
494 /// This information is required for CLS Compliance tests.
496 public static void LoadAllImportedTypes ()
498 AllClsTopLevelTypes
= new Hashtable (1500);
499 foreach (Assembly a
in GlobalRootNamespace
.Instance
.Assemblies
) {
500 foreach (Type t
in a
.GetExportedTypes ()) {
501 AllClsTopLevelTypes
[t
.FullName
.ToLower (System
.Globalization
.CultureInfo
.InvariantCulture
)] = null;
507 /// Returns the C# name of a type if possible, or the full type name otherwise
509 static public string CSharpName (Type t
)
514 if (t
== typeof (ArglistAccess
))
517 if (t
== typeof (AnonymousMethodBody
))
518 return "anonymous method";
520 if (t
== typeof (MethodGroupExpr
))
521 return "method group";
523 if (IsDynamicType (t
))
527 return "internal error";
529 return CSharpName (GetFullName (t
), t
);
532 static readonly char [] elements
= new char [] { '*', '[' }
;
534 public static string CSharpName (string name
, Type type
)
536 if (name
.Length
> 10) {
539 case "System.Int32": s
= "int"; break;
540 case "System.Int64": s
= "long"; break;
541 case "System.String": s
= "string"; break;
542 case "System.Boolean": s
= "bool"; break;
543 case "System.Void": s
= "void"; break;
544 case "System.Object": s
= "object"; break;
545 case "System.UInt32": s
= "uint"; break;
546 case "System.Int16": s
= "short"; break;
547 case "System.UInt16": s
= "ushort"; break;
548 case "System.UInt64": s
= "ulong"; break;
549 case "System.Single": s
= "float"; break;
550 case "System.Double": s
= "double"; break;
551 case "System.Decimal": s
= "decimal"; break;
552 case "System.Char": s
= "char"; break;
553 case "System.Byte": s
= "byte"; break;
554 case "System.SByte": s
= "sbyte"; break;
555 default: s
= null; break;
560 // Predefined names can come from mscorlib only
562 if (type
== null || type
.Module
.Name
== "mscorlib.dll" || !RootContext
.StdLib
)
568 if (name
[0] == AnonymousTypeClass
.ClassNamePrefix
[0] && name
.StartsWith (AnonymousTypeClass
.ClassNamePrefix
))
569 return AnonymousTypeClass
.SignatureForError
;
571 int idx
= name
.IndexOfAny (elements
, 10);
573 return CSharpName (name
.Substring (0, idx
), type
) + name
.Substring (idx
);
576 return name
.Replace ('+', '.');
579 static public string CSharpName (Type
[] types
)
581 if (types
.Length
== 0)
584 StringBuilder sb
= new StringBuilder ();
585 for (int i
= 0; i
< types
.Length
; ++i
) {
589 sb
.Append (CSharpName (types
[i
]));
591 return sb
.ToString ();
595 /// Returns the signature of the method with full namespace classification
597 static public string GetFullNameSignature (MemberInfo mi
)
599 PropertyInfo pi
= mi
as PropertyInfo
;
601 MethodBase pmi
= pi
.GetGetMethod (true);
603 pmi
= pi
.GetSetMethod (true);
604 if (GetParameterData (pmi
).Count
> 0)
607 return (mi
is MethodBase
)
608 ? CSharpSignature (mi
as MethodBase
)
609 : CSharpName (mi
.DeclaringType
) + '.' + mi
.Name
;
612 private static int GetFullName (Type t
, StringBuilder sb
)
616 if (!t
.IsGenericType
) {
617 sb
.Append (t
.FullName
);
621 if (t
.DeclaringType
!= null) {
622 pos
= GetFullName (t
.DeclaringType
, sb
);
624 } else if (t
.Namespace
!= null && t
.Namespace
.Length
!= 0) {
625 sb
.Append (t
.Namespace
);
628 sb
.Append (RemoveGenericArity (t
.Name
));
630 Type
[] this_args
= GetTypeArguments (t
);
632 if (this_args
.Length
< pos
)
633 throw new InternalErrorException (
634 "Enclosing class " + t
.DeclaringType
+ " has more type arguments than " + t
);
635 if (this_args
.Length
== pos
)
640 sb
.Append (CSharpName (this_args
[pos
++]));
641 if (pos
== this_args
.Length
)
649 static string GetFullName (Type t
)
652 string dimension
= t
.Name
.Substring (t
.Name
.LastIndexOf ('['));
653 return GetFullName (GetElementType (t
)) + dimension
;
656 if (IsNullableType (t
) && !t
.IsGenericTypeDefinition
) {
657 t
= TypeToCoreType (GetTypeArguments (t
)[0]);
658 return CSharpName (t
) + "?";
661 if (t
.IsGenericParameter
)
663 if (!t
.IsGenericType
)
666 StringBuilder sb
= new StringBuilder ();
667 int pos
= GetFullName (t
, sb
);
669 throw new InternalErrorException ("Generic Type " + t
+ " doesn't have type arguments");
670 return sb
.ToString ();
673 public static string RemoveGenericArity (string from)
675 int i
= from.IndexOf ('`');
677 return from.Substring (0, i
);
682 /// When we need to report accessors as well
684 static public string CSharpSignature (MethodBase mb
)
686 return CSharpSignature (mb
, false);
690 /// Returns the signature of the method
692 static public string CSharpSignature (MethodBase mb
, bool show_accessor
)
694 StringBuilder sig
= new StringBuilder (CSharpName (mb
.DeclaringType
));
697 AParametersCollection iparams
= GetParameterData (mb
);
698 string parameters
= iparams
.GetSignatureForError ();
699 int accessor_end
= 0;
701 if (!mb
.IsConstructor
&& TypeManager
.IsSpecialMethod (mb
)) {
702 string op_name
= Operator
.GetName (mb
.Name
);
703 if (op_name
!= null) {
704 if (op_name
== "explicit" || op_name
== "implicit") {
705 sig
.Append (op_name
);
706 sig
.Append (" operator ");
707 sig
.Append (CSharpName (((MethodInfo
)mb
).ReturnType
));
709 sig
.Append ("operator ");
710 sig
.Append (op_name
);
712 sig
.Append (parameters
);
713 return sig
.ToString ();
716 bool is_getter
= mb
.Name
.StartsWith ("get_");
717 bool is_setter
= mb
.Name
.StartsWith ("set_");
718 if (is_getter
|| is_setter
|| mb
.Name
.StartsWith ("add_")) {
720 } else if (mb
.Name
.StartsWith ("remove_")) {
725 if (iparams
.Count
> (is_getter
? 0 : 1)) {
726 sig
.Append ("this[");
728 sig
.Append (parameters
.Substring (1, parameters
.Length
- 2));
730 sig
.Append (parameters
.Substring (1, parameters
.LastIndexOf (',') - 1));
733 sig
.Append (mb
.Name
.Substring (accessor_end
+ 1));
736 if (mb
.Name
== ".ctor")
737 sig
.Append (RemoveGenericArity (mb
.DeclaringType
.Name
));
739 sig
.Append (mb
.Name
);
741 if (IsGenericMethod (mb
)) {
742 Type
[] args
= GetGenericArguments (mb
);
744 for (int i
= 0; i
< args
.Length
; i
++) {
747 sig
.Append (CSharpName (args
[i
]));
753 sig
.Append (parameters
);
756 if (show_accessor
&& accessor_end
> 0) {
758 sig
.Append (mb
.Name
.Substring (0, accessor_end
));
761 return sig
.ToString ();
764 public static string GetMethodName (MethodInfo m
)
766 if (!IsGenericMethodDefinition (m
) && !IsGenericMethod (m
))
769 return MemberName
.MakeName (m
.Name
, TypeManager
.GetGenericArguments (m
).Length
);
772 static public string CSharpSignature (EventInfo ei
)
774 return CSharpName (ei
.DeclaringType
) + "." + ei
.Name
;
778 // Looks up a type, and aborts if it is not found. This is used
779 // by predefined types required by the compiler
781 public static Type
CoreLookupType (CompilerContext ctx
, string ns_name
, string name
, Kind type_kind
, bool required
)
783 Namespace ns
= GlobalRootNamespace
.Instance
.GetNamespace (ns_name
, true);
784 Expression expr
= ns
.Lookup (ctx
, name
, Location
.Null
);
788 ctx
.Report
.Error (518, "The predefined type `{0}.{1}' is not defined or imported",
795 if (RootContext
.StdLib
|| t
== null || !required
)
798 // TODO: All predefined imported types have to have correct signature
799 if (!IsBeingCompiled (t
))
802 DeclSpace ds
= (DeclSpace
)RootContext
.ToplevelTypes
.GetDefinition (t
.FullName
);
803 if (ds
is Delegate
) {
804 if (type_kind
== Kind
.Delegate
)
807 TypeContainer tc
= (TypeContainer
)ds
;
808 if (tc
.Kind
== type_kind
)
812 ctx
.Report
.Error (520, ds
.Location
, "The predefined type `{0}.{1}' is not declared correctly",
817 static MemberInfo
GetPredefinedMember (Type t
, string name
, MemberTypes mt
, Location loc
, params Type
[] args
)
819 const BindingFlags flags
= instance_and_static
| BindingFlags
.Public
| BindingFlags
.DeclaredOnly
;
821 MemberInfo
[] members
= MemberLookup (null, null, t
, mt
, flags
, name
, null);
822 if (members
!= null) {
823 for (int i
= 0; i
< members
.Length
; ++i
) {
824 MemberInfo member
= members
[i
];
825 if (mt
== MemberTypes
.Method
|| mt
== MemberTypes
.Constructor
) {
826 MethodBase mb
= member
as MethodBase
;
830 AParametersCollection pd
= TypeManager
.GetParameterData (mb
);
831 if (IsEqual (pd
.Types
, args
))
834 if (mt
== MemberTypes
.Field
) {
835 FieldInfo fi
= member
as FieldInfo
;
839 if (args
.Length
>= 1 && !IsEqual (TypeToCoreType (fi
.FieldType
), args
[0]))
845 if (mt
== MemberTypes
.Property
) {
846 PropertyInfo pi
= member
as PropertyInfo
;
850 if (args
.Length
>= 1 && !IsEqual (TypeToCoreType (pi
.PropertyType
), args
[0]))
858 string method_args
= null;
859 if (mt
== MemberTypes
.Method
|| mt
== MemberTypes
.Constructor
)
860 method_args
= "(" + TypeManager
.CSharpName (args
) + ")";
862 RootContext
.ToplevelTypes
.Compiler
.Report
.Error (656, loc
, "The compiler required member `{0}.{1}{2}' could not be found or is inaccessible",
863 TypeManager
.CSharpName (t
), name
, method_args
);
869 // Returns the ConstructorInfo for "args"
871 public static ConstructorInfo
GetPredefinedConstructor (Type t
, Location loc
, params Type
[] args
)
873 return (ConstructorInfo
) GetPredefinedMember (t
, ConstructorInfo
.ConstructorName
, MemberTypes
.Constructor
, loc
, args
);
877 // Returns the MethodInfo for a method named `name' defined
878 // in type `t' which takes arguments of types `args'
880 public static MethodInfo
GetPredefinedMethod (Type t
, string name
, Location loc
, params Type
[] args
)
882 return (MethodInfo
)GetPredefinedMember (t
, name
, MemberTypes
.Method
, loc
, args
);
885 public static FieldInfo
GetPredefinedField (Type t
, string name
, Location loc
, params Type
[] args
)
887 return (FieldInfo
) GetPredefinedMember (t
, name
, MemberTypes
.Field
, loc
, args
);
890 public static PropertyInfo
GetPredefinedProperty (Type t
, string name
, Location loc
, params Type
[] args
)
892 return (PropertyInfo
) GetPredefinedMember (t
, name
, MemberTypes
.Property
, loc
, args
);
896 /// The types have to be initialized after the initial
897 /// population of the type has happened (for example, to
898 /// bootstrap the corlib.dll
900 public static bool InitCoreTypes (CompilerContext ctx
)
902 object_type
= CoreLookupType (ctx
, "System", "Object", Kind
.Class
, true);
903 system_object_expr
.Type
= object_type
;
904 value_type
= CoreLookupType (ctx
, "System", "ValueType", Kind
.Class
, true);
905 system_valuetype_expr
.Type
= value_type
;
906 attribute_type
= CoreLookupType (ctx
, "System", "Attribute", Kind
.Class
, true);
908 int32_type
= CoreLookupType (ctx
, "System", "Int32", Kind
.Struct
, true);
909 system_int32_expr
.Type
= int32_type
;
910 int64_type
= CoreLookupType (ctx
, "System", "Int64", Kind
.Struct
, true);
911 system_int64_expr
.Type
= int64_type
;
912 uint32_type
= CoreLookupType (ctx
, "System", "UInt32", Kind
.Struct
, true);
913 system_uint32_expr
.Type
= uint32_type
;
914 uint64_type
= CoreLookupType (ctx
, "System", "UInt64", Kind
.Struct
, true);
915 system_uint64_expr
.Type
= uint64_type
;
916 byte_type
= CoreLookupType (ctx
, "System", "Byte", Kind
.Struct
, true);
917 system_byte_expr
.Type
= byte_type
;
918 sbyte_type
= CoreLookupType (ctx
, "System", "SByte", Kind
.Struct
, true);
919 system_sbyte_expr
.Type
= sbyte_type
;
920 short_type
= CoreLookupType (ctx
, "System", "Int16", Kind
.Struct
, true);
921 system_int16_expr
.Type
= short_type
;
922 ushort_type
= CoreLookupType (ctx
, "System", "UInt16", Kind
.Struct
, true);
923 system_uint16_expr
.Type
= ushort_type
;
925 ienumerator_type
= CoreLookupType (ctx
, "System.Collections", "IEnumerator", Kind
.Interface
, true);
926 ienumerable_type
= CoreLookupType (ctx
, "System.Collections", "IEnumerable", Kind
.Interface
, true);
927 idisposable_type
= CoreLookupType (ctx
, "System", "IDisposable", Kind
.Interface
, true);
929 // HACK: DefineType immediately resolves iterators (very wrong)
930 generic_ienumerator_type
= CoreLookupType (ctx
, "System.Collections.Generic", "IEnumerator`1", Kind
.Interface
, false);
932 char_type
= CoreLookupType (ctx
, "System", "Char", Kind
.Struct
, true);
933 system_char_expr
.Type
= char_type
;
934 string_type
= CoreLookupType (ctx
, "System", "String", Kind
.Class
, true);
935 system_string_expr
.Type
= string_type
;
936 float_type
= CoreLookupType (ctx
, "System", "Single", Kind
.Struct
, true);
937 system_single_expr
.Type
= float_type
;
938 double_type
= CoreLookupType (ctx
, "System", "Double", Kind
.Struct
, true);
939 system_double_expr
.Type
= double_type
;
940 decimal_type
= CoreLookupType (ctx
, "System", "Decimal", Kind
.Struct
, true);
941 system_decimal_expr
.Type
= decimal_type
;
942 bool_type
= CoreLookupType (ctx
, "System", "Boolean", Kind
.Struct
, true);
943 system_boolean_expr
.Type
= bool_type
;
944 intptr_type
= CoreLookupType (ctx
, "System", "IntPtr", Kind
.Struct
, true);
945 system_intptr_expr
.Type
= intptr_type
;
946 uintptr_type
= CoreLookupType (ctx
, "System", "UIntPtr", Kind
.Struct
, true);
948 multicast_delegate_type
= CoreLookupType (ctx
, "System", "MulticastDelegate", Kind
.Class
, true);
949 delegate_type
= CoreLookupType (ctx
, "System", "Delegate", Kind
.Class
, true);
951 enum_type
= CoreLookupType (ctx
, "System", "Enum", Kind
.Class
, true);
952 array_type
= CoreLookupType (ctx
, "System", "Array", Kind
.Class
, true);
953 void_type
= CoreLookupType (ctx
, "System", "Void", Kind
.Struct
, true);
954 system_void_expr
.Type
= void_type
;
955 type_type
= CoreLookupType (ctx
, "System", "Type", Kind
.Class
, true);
956 exception_type
= CoreLookupType (ctx
, "System", "Exception", Kind
.Class
, true);
958 runtime_field_handle_type
= CoreLookupType (ctx
, "System", "RuntimeFieldHandle", Kind
.Struct
, true);
959 runtime_handle_type
= CoreLookupType (ctx
, "System", "RuntimeTypeHandle", Kind
.Struct
, true);
961 PredefinedAttributes
.Get
.ParamArray
.Initialize (ctx
, false);
962 PredefinedAttributes
.Get
.Out
.Initialize (ctx
, false);
964 return ctx
.Report
.Errors
== 0;
968 // Initializes optional core types
970 public static void InitOptionalCoreTypes (CompilerContext ctx
)
973 // These are only used for compare purposes
975 null_type
= typeof (NullLiteral
);
977 void_ptr_type
= GetPointerType (void_type
);
980 // Initialize InternalsVisibleTo as the very first optional type. Otherwise we would populate
981 // types cache with incorrect accessiblity when any of optional types is internal.
983 PredefinedAttributes
.Get
.Initialize (ctx
);
985 runtime_argument_handle_type
= CoreLookupType (ctx
, "System", "RuntimeArgumentHandle", Kind
.Struct
, false);
986 asynccallback_type
= CoreLookupType (ctx
, "System", "AsyncCallback", Kind
.Delegate
, false);
987 iasyncresult_type
= CoreLookupType (ctx
, "System", "IAsyncResult", Kind
.Interface
, false);
988 typed_reference_type
= CoreLookupType (ctx
, "System", "TypedReference", Kind
.Struct
, false);
989 arg_iterator_type
= CoreLookupType (ctx
, "System", "ArgIterator", Kind
.Struct
, false);
990 mbr_type
= CoreLookupType (ctx
, "System", "MarshalByRefObject", Kind
.Class
, false);
993 // Optional attributes, used for error reporting only
995 //if (PredefinedAttributes.Get.Obsolete.IsDefined) {
996 // Class c = TypeManager.LookupClass (PredefinedAttributes.Get.Obsolete.Type);
1001 generic_ilist_type
= CoreLookupType (ctx
, "System.Collections.Generic", "IList`1", Kind
.Interface
, false);
1002 generic_icollection_type
= CoreLookupType (ctx
, "System.Collections.Generic", "ICollection`1", Kind
.Interface
, false);
1003 generic_ienumerable_type
= CoreLookupType (ctx
, "System.Collections.Generic", "IEnumerable`1", Kind
.Interface
, false);
1004 generic_nullable_type
= CoreLookupType (ctx
, "System", "Nullable`1", Kind
.Struct
, false);
1007 // Optional types which are used as types and for member lookup
1009 runtime_helpers_type
= CoreLookupType (ctx
, "System.Runtime.CompilerServices", "RuntimeHelpers", Kind
.Class
, false);
1012 // Note: extension_attribute_type is already loaded
1013 expression_type
= CoreLookupType (ctx
, "System.Linq.Expressions", "Expression`1", Kind
.Class
, false);
1015 if (!RootContext
.StdLib
) {
1017 // HACK: When building Mono corlib mcs uses loaded mscorlib which
1018 // has different predefined types and this method sets mscorlib types
1019 // to be same to avoid any type check errors.
1022 Type type
= typeof (Type
);
1023 Type
[] system_4_type_arg
= { type, type, type, type }
;
1025 MethodInfo set_corlib_type_builders
=
1026 typeof (System
.Reflection
.Emit
.AssemblyBuilder
).GetMethod (
1027 "SetCorlibTypeBuilders", BindingFlags
.NonPublic
| BindingFlags
.Instance
, null,
1028 system_4_type_arg
, null);
1030 if (set_corlib_type_builders
!= null) {
1031 object[] args
= new object [4];
1032 args
[0] = object_type
;
1033 args
[1] = value_type
;
1034 args
[2] = enum_type
;
1035 args
[3] = void_type
;
1037 set_corlib_type_builders
.Invoke (CodeGen
.Assembly
.Builder
, args
);
1039 ctx
.Report
.Warning (-26, 3, "The compilation may fail due to missing `{0}.SetCorlibTypeBuilders({1})' method",
1040 TypeManager
.CSharpName (typeof (System
.Reflection
.Emit
.AssemblyBuilder
)),
1041 TypeManager
.CSharpName (system_4_type_arg
));
1046 const BindingFlags instance_and_static
= BindingFlags
.Static
| BindingFlags
.Instance
;
1049 /// This is the "old", non-cache based FindMembers() function. We cannot use
1050 /// the cache here because there is no member name argument.
1052 public static MemberList
FindMembers (Type t
, MemberTypes mt
, BindingFlags bf
,
1053 MemberFilter filter
, object criteria
)
1056 if (t
.IsGenericType
)
1057 t
= t
.GetGenericTypeDefinition ();
1060 DeclSpace decl
= (DeclSpace
) builder_to_declspace
[t
];
1063 // `builder_to_declspace' contains all dynamic types.
1067 Timer
.StartTimer (TimerType
.FindMembers
);
1068 list
= decl
.FindMembers (mt
, bf
, filter
, criteria
);
1069 Timer
.StopTimer (TimerType
.FindMembers
);
1074 // We have to take care of arrays specially, because GetType on
1075 // a TypeBuilder array will return a Type, not a TypeBuilder,
1076 // and we can not call FindMembers on this type.
1082 t
.IsSubclassOf (TypeManager
.array_type
))
1083 return new MemberList (TypeManager
.array_type
.FindMembers (mt
, bf
, filter
, criteria
));
1085 if (t
is GenericTypeParameterBuilder
) {
1086 TypeParameter tparam
= (TypeParameter
) builder_to_type_param
[t
];
1088 Timer
.StartTimer (TimerType
.FindMembers
);
1089 MemberList list
= tparam
.FindMembers (
1090 mt
, bf
| BindingFlags
.DeclaredOnly
, filter
, criteria
);
1091 Timer
.StopTimer (TimerType
.FindMembers
);
1096 // Since FindMembers will not lookup both static and instance
1097 // members, we emulate this behaviour here.
1099 if ((bf
& instance_and_static
) == instance_and_static
){
1100 MemberInfo
[] i_members
= t
.FindMembers (
1101 mt
, bf
& ~BindingFlags
.Static
, filter
, criteria
);
1103 int i_len
= i_members
.Length
;
1105 MemberInfo one
= i_members
[0];
1108 // If any of these are present, we are done!
1110 if ((one
is Type
) || (one
is EventInfo
) || (one
is FieldInfo
))
1111 return new MemberList (i_members
);
1114 MemberInfo
[] s_members
= t
.FindMembers (
1115 mt
, bf
& ~BindingFlags
.Instance
, filter
, criteria
);
1117 int s_len
= s_members
.Length
;
1118 if (i_len
> 0 || s_len
> 0)
1119 return new MemberList (i_members
, s_members
);
1122 return new MemberList (i_members
);
1124 return new MemberList (s_members
);
1128 return new MemberList (t
.FindMembers (mt
, bf
, filter
, criteria
));
1133 /// This method is only called from within MemberLookup. It tries to use the member
1134 /// cache if possible and falls back to the normal FindMembers if not. The `used_cache'
1135 /// flag tells the caller whether we used the cache or not. If we used the cache, then
1136 /// our return value will already contain all inherited members and the caller don't need
1137 /// to check base classes and interfaces anymore.
1139 private static MemberInfo
[] MemberLookup_FindMembers (Type t
, MemberTypes mt
, BindingFlags bf
,
1140 string name
, out bool used_cache
)
1145 // If this is a dynamic type, it's always in the `builder_to_declspace' hash table
1146 // and we can ask the DeclSpace for the MemberCache.
1149 if (t
.Assembly
== CodeGen
.Assembly
.Builder
) {
1150 if (t
.IsGenericParameter
) {
1151 TypeParameter tparam
= (TypeParameter
) builder_to_type_param
[t
];
1154 if (tparam
.MemberCache
== null)
1155 return new MemberInfo
[0];
1157 return tparam
.MemberCache
.FindMembers (
1158 mt
, bf
, name
, FilterWithClosure_delegate
, null);
1162 // We have to take care of arrays specially, because GetType on
1163 // a TypeBuilder array will return a Type, not a TypeBuilder,
1164 // and we can not call FindMembers on this type.
1168 return TypeHandle
.ArrayType
.MemberCache
.FindMembers (
1169 mt
, bf
, name
, FilterWithClosure_delegate
, null);
1172 if (t
.IsGenericType
&& !t
.IsGenericTypeDefinition
)
1173 t
= t
.GetGenericTypeDefinition ();
1175 if (t
is TypeBuilder
) {
1177 DeclSpace decl
= (DeclSpace
) builder_to_declspace
[t
];
1178 cache
= decl
.MemberCache
;
1181 // If this DeclSpace has a MemberCache, use it.
1184 if (cache
!= null) {
1186 return cache
.FindMembers (
1187 mt
, bf
, name
, FilterWithClosure_delegate
, null);
1190 // If there is no MemberCache, we need to use the "normal" FindMembers.
1191 // Note, this is a VERY uncommon route!
1194 Timer
.StartTimer (TimerType
.FindMembers
);
1195 list
= decl
.FindMembers (mt
, bf
| BindingFlags
.DeclaredOnly
,
1196 FilterWithClosure_delegate
, name
);
1197 Timer
.StopTimer (TimerType
.FindMembers
);
1199 return (MemberInfo
[]) list
;
1203 // We have to take care of arrays specially, because GetType on
1204 // a TypeBuilder array will return a Type, not a TypeBuilder,
1205 // and we can not call FindMembers on this type.
1209 return TypeHandle
.ArrayType
.MemberCache
.FindMembers (
1210 mt
, bf
, name
, FilterWithClosure_delegate
, null);
1213 if (t
is GenericTypeParameterBuilder
) {
1214 TypeParameter tparam
= (TypeParameter
) builder_to_type_param
[t
];
1217 if (tparam
.MemberCache
== null)
1218 return new MemberInfo
[0];
1220 return tparam
.MemberCache
.FindMembers (
1221 mt
, bf
, name
, FilterWithClosure_delegate
, null);
1224 if (IsGenericType (t
) && (mt
== MemberTypes
.NestedType
)) {
1226 // This happens if we're resolving a class'es base class and interfaces
1227 // in TypeContainer.DefineType(). At this time, the types aren't
1228 // populated yet, so we can't use the cache.
1230 MemberInfo
[] info
= t
.FindMembers (mt
, bf
| BindingFlags
.DeclaredOnly
,
1231 FilterWithClosure_delegate
, name
);
1237 // This call will always succeed. There is exactly one TypeHandle instance per
1238 // type, TypeHandle.GetMemberCache() will, if necessary, create a new one, and return
1239 // the corresponding MemberCache.
1241 cache
= TypeHandle
.GetMemberCache (t
);
1244 return cache
.FindMembers (mt
, bf
, name
, FilterWithClosure_delegate
, null);
1248 // Return true for SRE dynamic/unclosed members
1250 public static bool IsBeingCompiled (MemberInfo mi
)
1252 return mi
.Module
.Assembly
== CodeGen
.Assembly
.Builder
;
1255 public static bool IsBuiltinType (Type t
)
1257 t
= TypeToCoreType (t
);
1258 if (t
== object_type
|| t
== string_type
|| t
== int32_type
|| t
== uint32_type
||
1259 t
== int64_type
|| t
== uint64_type
|| t
== float_type
|| t
== double_type
||
1260 t
== char_type
|| t
== short_type
|| t
== decimal_type
|| t
== bool_type
||
1261 t
== sbyte_type
|| t
== byte_type
|| t
== ushort_type
|| t
== void_type
)
1268 // This is like IsBuiltinType, but lacks decimal_type, we should also clean up
1269 // the pieces in the code where we use IsBuiltinType and special case decimal_type.
1271 public static bool IsPrimitiveType (Type t
)
1273 return (t
== int32_type
|| t
== uint32_type
||
1274 t
== int64_type
|| t
== uint64_type
|| t
== float_type
|| t
== double_type
||
1275 t
== char_type
|| t
== short_type
|| t
== bool_type
||
1276 t
== sbyte_type
|| t
== byte_type
|| t
== ushort_type
);
1279 public static bool IsDelegateType (Type t
)
1281 if (TypeManager
.IsGenericParameter (t
))
1284 if (t
== TypeManager
.delegate_type
|| t
== TypeManager
.multicast_delegate_type
)
1287 t
= DropGenericTypeArguments (t
);
1288 return IsSubclassOf (t
, TypeManager
.delegate_type
);
1292 // Is a type of dynamic type
1294 public static bool IsDynamicType (Type t
)
1296 if (object.ReferenceEquals (InternalType
.Dynamic
, t
))
1299 if (t
!= object_type
)
1302 if (IsBeingCompiled (t
))
1305 PredefinedAttribute pa
= PredefinedAttributes
.Get
.Dynamic
;
1309 object[] res
= t
.GetCustomAttributes (pa
.Type
, false);
1310 return res
!= null && res
.Length
!= 0;
1313 public static bool IsEnumType (Type t
)
1315 t
= DropGenericTypeArguments (t
);
1316 return t
.BaseType
== TypeManager
.enum_type
;
1319 public static bool IsBuiltinOrEnum (Type t
)
1321 if (IsBuiltinType (t
))
1330 public static bool IsAttributeType (Type t
)
1332 return t
== attribute_type
&& t
.BaseType
!= null || IsSubclassOf (t
, attribute_type
);
1336 // Whether a type is unmanaged. This is used by the unsafe code (25.2)
1338 // mcs4: delete, DeclSpace.IsUnmanagedType is replacement
1339 public static bool IsUnmanagedType (Type t
)
1341 DeclSpace ds
= TypeManager
.LookupDeclSpace (t
);
1343 return ds
.IsUnmanagedType ();
1345 // builtins that are not unmanaged types
1346 if (t
== TypeManager
.object_type
|| t
== TypeManager
.string_type
)
1349 if (IsGenericType (t
) || IsGenericParameter (t
))
1352 if (IsBuiltinOrEnum (t
))
1355 // Someone did the work of checking if the ElementType of t is unmanaged. Let's not repeat it.
1357 return IsUnmanagedType (GetElementType (t
));
1359 // Arrays are disallowed, even if we mark them with [MarshalAs(UnmanagedType.ByValArray, ...)]
1363 if (!IsValueType (t
))
1366 for (Type p
= t
.DeclaringType
; p
!= null; p
= p
.DeclaringType
) {
1367 if (IsGenericTypeDefinition (p
))
1373 FieldInfo
[] fields
= t
.GetFields (BindingFlags
.Public
| BindingFlags
.NonPublic
| BindingFlags
.Instance
);
1375 foreach (FieldInfo f
in fields
){
1376 if (!IsUnmanagedType (f
.FieldType
)){
1386 // Null is considered to be a reference type
1388 public static bool IsReferenceType (Type t
)
1390 if (TypeManager
.IsGenericParameter (t
)) {
1391 GenericConstraints constraints
= TypeManager
.GetTypeParameterConstraints (t
);
1392 if (constraints
== null)
1395 return constraints
.IsReferenceType
;
1398 return !IsStruct (t
) && !IsEnumType (t
);
1401 public static bool IsValueType (Type t
)
1403 if (TypeManager
.IsGenericParameter (t
)) {
1404 GenericConstraints constraints
= TypeManager
.GetTypeParameterConstraints (t
);
1405 if (constraints
== null)
1408 return constraints
.IsValueType
;
1411 return IsStruct (t
) || IsEnumType (t
);
1414 public static bool IsStruct (Type t
)
1416 return t
.BaseType
== value_type
&& t
!= enum_type
&& t
.IsSealed
;
1419 public static bool IsInterfaceType (Type t
)
1421 TypeContainer tc
= (TypeContainer
) builder_to_declspace
[t
];
1425 return tc
.Kind
== Kind
.Interface
;
1428 public static bool IsSubclassOf (Type type
, Type base_type
)
1430 TypeParameter tparam
= LookupTypeParameter (type
);
1431 TypeParameter pparam
= LookupTypeParameter (base_type
);
1433 if ((tparam
!= null) && (pparam
!= null)) {
1434 if (tparam
== pparam
)
1437 return tparam
.IsSubclassOf (base_type
);
1441 if (tparam
!= pparam
)
1444 if (type
.IsGenericType
)
1445 type
= type
.GetGenericTypeDefinition ();
1448 if (type
.IsSubclassOf (base_type
))
1452 if (IsEqual (type
, base_type
))
1455 type
= type
.BaseType
;
1456 } while (type
!= null);
1461 public static bool IsPrivateAccessible (Type type
, Type parent
)
1466 if (type
.Equals (parent
))
1469 return DropGenericTypeArguments (type
) == DropGenericTypeArguments (parent
);
1472 public static bool IsFamilyAccessible (Type type
, Type parent
)
1474 TypeParameter tparam
= LookupTypeParameter (type
);
1475 TypeParameter pparam
= LookupTypeParameter (parent
);
1477 if ((tparam
!= null) && (pparam
!= null)) {
1478 if (tparam
== pparam
)
1481 return tparam
.IsSubclassOf (parent
);
1485 if (IsInstantiationOfSameGenericType (type
, parent
))
1488 type
= type
.BaseType
;
1489 } while (type
!= null);
1495 // Checks whether `type' is a subclass or nested child of `base_type'.
1497 public static bool IsNestedFamilyAccessible (Type type
, Type base_type
)
1500 if (IsFamilyAccessible (type
, base_type
))
1503 // Handle nested types.
1504 type
= type
.DeclaringType
;
1505 } while (type
!= null);
1511 // Checks whether `type' is a nested child of `parent'.
1513 public static bool IsNestedChildOf (Type type
, Type parent
)
1518 type
= DropGenericTypeArguments (type
);
1519 parent
= DropGenericTypeArguments (parent
);
1521 if (IsEqual (type
, parent
))
1524 type
= type
.DeclaringType
;
1525 while (type
!= null) {
1526 if (IsEqual (type
, parent
))
1529 type
= type
.DeclaringType
;
1535 public static bool IsSpecialType (Type t
)
1537 return t
== arg_iterator_type
|| t
== typed_reference_type
;
1541 // Checks whether `invocationAssembly' is same or a friend of the assembly
1543 public static bool IsThisOrFriendAssembly (Assembly invocationAssembly
, Assembly assembly
)
1545 if (assembly
== null)
1546 throw new ArgumentNullException ("assembly");
1548 // TODO: This can happen for constants used at assembly level and
1549 // predefined members
1550 // But there is no way to test for it for now, so it could be abused
1552 if (invocationAssembly
== null)
1553 invocationAssembly
= CodeGen
.Assembly
.Builder
;
1555 if (invocationAssembly
== assembly
)
1558 if (assembly_internals_vis_attrs
.Contains (assembly
))
1559 return (bool)(assembly_internals_vis_attrs
[assembly
]);
1561 PredefinedAttribute pa
= PredefinedAttributes
.Get
.InternalsVisibleTo
;
1562 // HACK: Do very early resolve of SRE type checking
1563 if (pa
.Type
== null)
1569 object [] attrs
= assembly
.GetCustomAttributes (pa
.Type
, false);
1570 if (attrs
.Length
== 0) {
1571 assembly_internals_vis_attrs
.Add (assembly
, false);
1575 bool is_friend
= false;
1577 AssemblyName this_name
= CodeGen
.Assembly
.Name
;
1578 byte [] this_token
= this_name
.GetPublicKeyToken ();
1579 foreach (InternalsVisibleToAttribute attr
in attrs
) {
1580 if (attr
.AssemblyName
== null || attr
.AssemblyName
.Length
== 0)
1583 AssemblyName aname
= null;
1585 aname
= new AssemblyName (attr
.AssemblyName
);
1586 } catch (FileLoadException
) {
1587 } catch (ArgumentException
) {
1590 if (aname
== null || aname
.Name
!= this_name
.Name
)
1593 byte [] key_token
= aname
.GetPublicKeyToken ();
1594 if (key_token
!= null) {
1595 if (this_token
.Length
== 0) {
1596 // Same name, but assembly is not strongnamed
1597 Error_FriendAccessNameNotMatching (aname
.FullName
, RootContext
.ToplevelTypes
.Compiler
.Report
);
1601 if (!CompareKeyTokens (this_token
, key_token
))
1609 assembly_internals_vis_attrs
.Add (assembly
, is_friend
);
1613 static bool CompareKeyTokens (byte [] token1
, byte [] token2
)
1615 for (int i
= 0; i
< token1
.Length
; i
++)
1616 if (token1
[i
] != token2
[i
])
1622 static void Error_FriendAccessNameNotMatching (string other_name
, Report Report
)
1625 "Friend access was granted to `{0}', but the output assembly is named `{1}'. Try adding a reference to `{0}' or change the output assembly name to match it",
1626 other_name
, CodeGen
.Assembly
.Name
.FullName
);
1630 // Do the right thing when returning the element type of an
1631 // array type based on whether we are compiling corlib or not
1633 public static Type
GetElementType (Type t
)
1635 if (RootContext
.StdLib
)
1636 return t
.GetElementType ();
1638 return TypeToCoreType (t
.GetElementType ());
1642 /// This method is not implemented by MS runtime for dynamic types
1644 public static bool HasElementType (Type t
)
1646 return t
.IsArray
|| t
.IsPointer
|| t
.IsByRef
;
1649 public static Type
GetEnumUnderlyingType (Type t
)
1651 t
= DropGenericTypeArguments (t
);
1652 Enum e
= LookupTypeContainer (t
) as Enum
;
1654 return e
.UnderlyingType
;
1657 FieldInfo fi
= GetPredefinedField (t
, Enum
.UnderlyingValueField
, Location
.Null
, Type
.EmptyTypes
);
1659 return TypeManager
.int32_type
;
1661 return TypeToCoreType (fi
.FieldType
);
1665 /// Gigantic work around for missing features in System.Reflection.Emit follows.
1669 /// Since System.Reflection.Emit can not return MethodBase.GetParameters
1670 /// for anything which is dynamic, and we need this in a number of places,
1671 /// we register this information here, and use it afterwards.
1673 static public void RegisterMethod (MethodBase mb
, AParametersCollection ip
)
1675 method_params
.Add (mb
, ip
);
1678 static public void RegisterIndexer (PropertyBuilder pb
, AParametersCollection p
)
1680 method_params
.Add (pb
, p
);
1683 static public AParametersCollection
GetParameterData (MethodBase mb
)
1685 AParametersCollection pd
= (AParametersCollection
) method_params
[mb
];
1688 if (mb
.IsGenericMethod
&& !mb
.IsGenericMethodDefinition
) {
1689 MethodInfo mi
= ((MethodInfo
) mb
).GetGenericMethodDefinition ();
1690 pd
= GetParameterData (mi
);
1692 if (mi.IsGenericMethod)
1693 pd = pd.InflateTypes (mi.GetGenericArguments (), mb.GetGenericArguments ());
1695 pd = pd.InflateTypes (mi.DeclaringType.GetGenericArguments (), mb.GetGenericArguments ());
1697 method_params
.Add (mb
, pd
);
1701 if (mb
.DeclaringType
.Assembly
== CodeGen
.Assembly
.Builder
) {
1702 throw new InternalErrorException ("Parameters are not registered for method `{0}'",
1703 TypeManager
.CSharpName (mb
.DeclaringType
) + "." + mb
.Name
);
1706 pd
= ParametersImported
.Create (mb
);
1708 MethodBase generic
= TypeManager
.DropGenericMethodArguments (mb
);
1709 if (generic
!= mb
) {
1710 pd
= TypeManager
.GetParameterData (generic
);
1711 pd
= ParametersImported
.Create (pd
, mb
);
1713 pd
= ParametersImported
.Create (mb
);
1716 method_params
.Add (mb
, pd
);
1721 public static AParametersCollection
GetParameterData (PropertyInfo pi
)
1723 AParametersCollection pd
= (AParametersCollection
)method_params
[pi
];
1725 if (pi
is PropertyBuilder
)
1726 return ParametersCompiled
.EmptyReadOnlyParameters
;
1728 ParameterInfo
[] p
= pi
.GetIndexParameters ();
1730 return ParametersCompiled
.EmptyReadOnlyParameters
;
1732 pd
= ParametersImported
.Create (p
, null);
1733 method_params
.Add (pi
, pd
);
1739 public static AParametersCollection
GetDelegateParameters (ResolveContext ec
, Type t
)
1741 Delegate d
= builder_to_declspace
[t
] as Delegate
;
1743 return d
.Parameters
;
1745 MethodInfo invoke_mb
= Delegate
.GetInvokeMethod (ec
.Compiler
, t
, t
);
1746 return GetParameterData (invoke_mb
);
1749 static public void RegisterOverride (MethodBase override_method
, MethodBase base_method
)
1751 if (!method_overrides
.Contains (override_method
))
1752 method_overrides
[override_method
] = base_method
;
1753 if (method_overrides
[override_method
] != base_method
)
1754 throw new InternalErrorException ("Override mismatch: " + override_method
);
1757 static public bool IsOverride (MethodBase m
)
1759 m
= DropGenericMethodArguments (m
);
1761 return m
.IsVirtual
&&
1762 (m
.Attributes
& MethodAttributes
.NewSlot
) == 0 &&
1763 (m
is MethodBuilder
|| method_overrides
.Contains (m
));
1766 static public MethodBase
TryGetBaseDefinition (MethodBase m
)
1768 m
= DropGenericMethodArguments (m
);
1770 return (MethodBase
) method_overrides
[m
];
1773 public static void RegisterConstant (FieldInfo fb
, IConstant ic
)
1775 fields
.Add (fb
, ic
);
1778 public static IConstant
GetConstant (FieldInfo fb
)
1783 return (IConstant
)fields
[fb
];
1786 public static void RegisterProperty (PropertyInfo pi
, PropertyBase pb
)
1788 propertybuilder_to_property
.Add (pi
, pb
);
1791 public static PropertyBase
GetProperty (PropertyInfo pi
)
1793 return (PropertyBase
)propertybuilder_to_property
[pi
];
1796 static public void RegisterFieldBase (FieldBuilder fb
, FieldBase f
)
1798 fieldbuilders_to_fields
.Add (fb
, f
);
1802 // The return value can be null; This will be the case for
1803 // auxiliary FieldBuilders created by the compiler that have no
1804 // real field being declared on the source code
1806 static public FieldBase
GetField (FieldInfo fb
)
1808 fb
= GetGenericFieldDefinition (fb
);
1809 return (FieldBase
) fieldbuilders_to_fields
[fb
];
1812 static public MethodInfo
GetAddMethod (EventInfo ei
)
1814 if (ei
is MyEventBuilder
) {
1815 return ((MyEventBuilder
)ei
).GetAddMethod (true);
1817 return ei
.GetAddMethod (true);
1820 static public MethodInfo
GetRemoveMethod (EventInfo ei
)
1822 if (ei
is MyEventBuilder
) {
1823 return ((MyEventBuilder
)ei
).GetRemoveMethod (true);
1825 return ei
.GetRemoveMethod (true);
1828 static public void RegisterEventField (EventInfo einfo
, EventField e
)
1831 events
= new Hashtable ();
1833 events
.Add (einfo
, e
);
1836 static public EventField
GetEventField (EventInfo ei
)
1841 return (EventField
) events
[ei
];
1844 public static bool CheckStructCycles (TypeContainer tc
, Hashtable seen
)
1846 Hashtable hash
= new Hashtable ();
1847 return CheckStructCycles (tc
, seen
, hash
);
1850 public static bool CheckStructCycles (TypeContainer tc
, Hashtable seen
,
1853 if ((tc
.Kind
!= Kind
.Struct
) || IsBuiltinType (tc
.TypeBuilder
))
1857 // `seen' contains all types we've already visited.
1859 if (seen
.Contains (tc
))
1861 seen
.Add (tc
, null);
1863 if (tc
.Fields
== null)
1866 foreach (FieldBase field
in tc
.Fields
) {
1867 if (field
.FieldBuilder
== null || field
.FieldBuilder
.IsStatic
)
1870 Type ftype
= field
.FieldBuilder
.FieldType
;
1871 TypeContainer ftc
= LookupTypeContainer (ftype
);
1875 if (hash
.Contains (ftc
)) {
1876 tc
.Compiler
.Report
.Error (523, tc
.Location
,
1877 "Struct member `{0}.{1}' of type `{2}' " +
1878 "causes a cycle in the struct layout",
1879 tc
.Name
, field
.Name
, ftc
.Name
);
1884 // `hash' contains all types in the current path.
1886 hash
.Add (tc
, null);
1888 bool ok
= CheckStructCycles (ftc
, seen
, hash
);
1895 if (!seen
.Contains (ftc
))
1896 seen
.Add (ftc
, null);
1903 /// Given an array of interface types, expand and eliminate repeated ocurrences
1904 /// of an interface.
1908 /// This expands in context like: IA; IB : IA; IC : IA, IB; the interface "IC" to
1911 public static Type
[] ExpandInterfaces (TypeExpr
[] base_interfaces
)
1913 ArrayList new_ifaces
= new ArrayList ();
1915 foreach (TypeExpr iface
in base_interfaces
){
1916 Type itype
= iface
.Type
;
1918 if (new_ifaces
.Contains (itype
))
1921 new_ifaces
.Add (itype
);
1923 Type
[] implementing
= GetInterfaces (itype
);
1925 foreach (Type imp
in implementing
){
1926 if (!new_ifaces
.Contains (imp
))
1927 new_ifaces
.Add (imp
);
1930 Type
[] ret
= new Type
[new_ifaces
.Count
];
1931 new_ifaces
.CopyTo (ret
, 0);
1935 public static Type
[] ExpandInterfaces (Type
[] base_interfaces
)
1937 ArrayList new_ifaces
= new ArrayList ();
1939 foreach (Type itype
in base_interfaces
){
1940 if (new_ifaces
.Contains (itype
))
1943 new_ifaces
.Add (itype
);
1945 Type
[] implementing
= GetInterfaces (itype
);
1947 foreach (Type imp
in implementing
){
1948 if (!new_ifaces
.Contains (imp
))
1949 new_ifaces
.Add (imp
);
1952 Type
[] ret
= new Type
[new_ifaces
.Count
];
1953 new_ifaces
.CopyTo (ret
, 0);
1957 static PtrHashtable iface_cache
;
1960 /// This function returns the interfaces in the type `t'. Works with
1961 /// both types and TypeBuilders.
1963 public static Type
[] GetInterfaces (Type t
)
1965 Type
[] cached
= iface_cache
[t
] as Type
[];
1970 // The reason for catching the Array case is that Reflection.Emit
1971 // will not return a TypeBuilder for Array types of TypeBuilder types,
1972 // but will still throw an exception if we try to call GetInterfaces
1975 // Since the array interfaces are always constant, we return those for
1980 t
= TypeManager
.array_type
;
1982 if ((t
is TypeBuilder
) || IsGenericType (t
)) {
1983 Type
[] base_ifaces
;
1985 if (t
.BaseType
== null)
1986 base_ifaces
= Type
.EmptyTypes
;
1988 base_ifaces
= GetInterfaces (t
.BaseType
);
1990 if (IsGenericType (t
))
1992 type_ifaces
= t
.GetGenericTypeDefinition().GetInterfaces ();
1994 type_ifaces
= t
.GetInterfaces ();
1997 type_ifaces
= (Type
[]) builder_to_ifaces
[t
];
1998 if (type_ifaces
== null || type_ifaces
.Length
== 0)
1999 type_ifaces
= Type
.EmptyTypes
;
2001 int base_count
= base_ifaces
.Length
;
2002 Type
[] result
= new Type
[base_count
+ type_ifaces
.Length
];
2003 base_ifaces
.CopyTo (result
, 0);
2004 type_ifaces
.CopyTo (result
, base_count
);
2006 iface_cache
[t
] = result
;
2008 } else if (t
is GenericTypeParameterBuilder
){
2009 Type
[] type_ifaces
= (Type
[]) builder_to_ifaces
[t
];
2010 if (type_ifaces
== null || type_ifaces
.Length
== 0)
2011 type_ifaces
= Type
.EmptyTypes
;
2013 iface_cache
[t
] = type_ifaces
;
2016 Type
[] ifaces
= t
.GetInterfaces ();
2017 iface_cache
[t
] = ifaces
;
2023 // gets the interfaces that are declared explicitly on t
2025 public static Type
[] GetExplicitInterfaces (TypeBuilder t
)
2027 return (Type
[]) builder_to_ifaces
[t
];
2031 /// The following is used to check if a given type implements an interface.
2032 /// The cache helps us reduce the expense of hitting Type.GetInterfaces everytime.
2034 public static bool ImplementsInterface (Type t
, Type iface
)
2039 // FIXME OPTIMIZATION:
2040 // as soon as we hit a non-TypeBuiler in the interface
2041 // chain, we could return, as the `Type.GetInterfaces'
2042 // will return all the interfaces implement by the type
2046 interfaces
= GetInterfaces (t
);
2048 if (interfaces
!= null){
2049 foreach (Type i
in interfaces
){
2050 if (i
== iface
|| IsVariantOf (i
, iface
))
2056 } while (t
!= null);
2061 static NumberFormatInfo nf_provider
= CultureInfo
.CurrentCulture
.NumberFormat
;
2063 // This is a custom version of Convert.ChangeType() which works
2064 // with the TypeBuilder defined types when compiling corlib.
2065 public static object ChangeType (object value, Type conversionType
, out bool error
)
2067 IConvertible convert_value
= value as IConvertible
;
2069 if (convert_value
== null){
2076 // We must use Type.Equals() here since `conversionType' is
2077 // the TypeBuilder created version of a system type and not
2078 // the system type itself. You cannot use Type.GetTypeCode()
2079 // on such a type - it'd always return TypeCode.Object.
2082 // We cannot rely on build-in type conversions as they are
2083 // more limited than what C# supports.
2084 // See char -> float/decimal/double conversion
2089 if (conversionType
.Equals (typeof (Boolean
)))
2090 return (object)(convert_value
.ToBoolean (nf_provider
));
2091 if (conversionType
.Equals (typeof (Byte
)))
2092 return (object)(convert_value
.ToByte (nf_provider
));
2093 if (conversionType
.Equals (typeof (Char
)))
2094 return (object)(convert_value
.ToChar (nf_provider
));
2095 if (conversionType
.Equals (typeof (DateTime
)))
2096 return (object)(convert_value
.ToDateTime (nf_provider
));
2098 if (conversionType
.Equals (decimal_type
)) {
2099 if (convert_value
.GetType () == TypeManager
.char_type
)
2100 return (decimal)convert_value
.ToInt32 (nf_provider
);
2101 return convert_value
.ToDecimal (nf_provider
);
2104 if (conversionType
.Equals (typeof (Double
))) {
2105 if (convert_value
.GetType () == TypeManager
.char_type
)
2106 return (double)convert_value
.ToInt32 (nf_provider
);
2107 return convert_value
.ToDouble (nf_provider
);
2110 if (conversionType
.Equals (typeof (Int16
)))
2111 return (object)(convert_value
.ToInt16 (nf_provider
));
2112 if (conversionType
.Equals (int32_type
))
2113 return (object)(convert_value
.ToInt32 (nf_provider
));
2114 if (conversionType
.Equals (int64_type
))
2115 return (object)(convert_value
.ToInt64 (nf_provider
));
2116 if (conversionType
.Equals (typeof (SByte
)))
2117 return (object)(convert_value
.ToSByte (nf_provider
));
2119 if (conversionType
.Equals (typeof (Single
))) {
2120 if (convert_value
.GetType () == TypeManager
.char_type
)
2121 return (float)convert_value
.ToInt32 (nf_provider
);
2122 return convert_value
.ToSingle (nf_provider
);
2125 if (conversionType
.Equals (typeof (String
)))
2126 return (object)(convert_value
.ToString (nf_provider
));
2127 if (conversionType
.Equals (typeof (UInt16
)))
2128 return (object)(convert_value
.ToUInt16 (nf_provider
));
2129 if (conversionType
.Equals (typeof (UInt32
)))
2130 return (object)(convert_value
.ToUInt32 (nf_provider
));
2131 if (conversionType
.Equals (typeof (UInt64
)))
2132 return (object)(convert_value
.ToUInt64 (nf_provider
));
2133 if (conversionType
.Equals (typeof (Object
)))
2134 return (object)(value);
2144 // When compiling with -nostdlib and the type is imported from an external assembly
2145 // SRE uses "wrong" type and we have to convert it to the right compiler instance.
2147 public static Type
TypeToCoreType (Type t
)
2149 if (RootContext
.StdLib
|| t
.Module
!= typeof (object).Module
)
2152 // TODO: GetTypeCode returns underlying type for enums !!
2153 TypeCode tc
= Type
.GetTypeCode (t
);
2156 case TypeCode
.Boolean
:
2157 return TypeManager
.bool_type
;
2159 return TypeManager
.byte_type
;
2160 case TypeCode
.SByte
:
2161 return TypeManager
.sbyte_type
;
2163 return TypeManager
.char_type
;
2164 case TypeCode
.Int16
:
2165 return TypeManager
.short_type
;
2166 case TypeCode
.UInt16
:
2167 return TypeManager
.ushort_type
;
2168 case TypeCode
.Int32
:
2169 return TypeManager
.int32_type
;
2170 case TypeCode
.UInt32
:
2171 return TypeManager
.uint32_type
;
2172 case TypeCode
.Int64
:
2173 return TypeManager
.int64_type
;
2174 case TypeCode
.UInt64
:
2175 return TypeManager
.uint64_type
;
2176 case TypeCode
.Single
:
2177 return TypeManager
.float_type
;
2178 case TypeCode
.Double
:
2179 return TypeManager
.double_type
;
2180 case TypeCode
.String
:
2181 return TypeManager
.string_type
;
2182 case TypeCode
.Decimal
:
2183 return TypeManager
.decimal_type
;
2186 if (t
== typeof (void))
2187 return TypeManager
.void_type
;
2188 if (t
== typeof (object))
2189 return TypeManager
.object_type
;
2190 if (t
== typeof (System
.Type
))
2191 return TypeManager
.type_type
;
2192 if (t
== typeof (System
.IntPtr
))
2193 return TypeManager
.intptr_type
;
2194 if (t
== typeof (System
.UIntPtr
))
2195 return TypeManager
.uintptr_type
;
2198 int dim
= t
.GetArrayRank ();
2199 t
= GetElementType (t
);
2200 return t
.MakeArrayType (dim
);
2203 t
= GetElementType (t
);
2204 return t
.MakeByRefType ();
2207 t
= GetElementType (t
);
2208 return t
.MakePointerType ();
2215 // Converts any type to reflection supported type
2217 public static Type
TypeToReflectionType (Type type
)
2219 // TODO: Very lame and painful, GetReference () is enough for mcs-cecil
2220 if (IsDynamicType (type
))
2223 if (type
is DynamicArrayType
)
2224 return type
.UnderlyingSystemType
;
2230 /// Utility function that can be used to probe whether a type
2231 /// is managed or not.
2233 public static bool VerifyUnmanaged (CompilerContext ctx
, Type t
, Location loc
)
2235 if (IsUnmanagedType (t
))
2239 t
= GetElementType (t
);
2241 ctx
.Report
.SymbolRelatedToPreviousError (t
);
2242 ctx
.Report
.Error (208, loc
,
2243 "Cannot take the address of, get the size of, or declare a pointer to a managed type `{0}'",
2250 /// Returns the name of the indexer in a given type.
2253 /// The default is not always `Item'. The user can change this behaviour by
2254 /// using the IndexerNameAttribute in the container.
2255 /// For example, the String class indexer is named `Chars' not `Item'
2257 public static string IndexerPropertyName (Type t
)
2259 t
= DropGenericTypeArguments (t
);
2260 if (t
is TypeBuilder
) {
2261 TypeContainer tc
= t
.IsInterface
? LookupInterface (t
) : LookupTypeContainer (t
);
2262 return tc
== null ? TypeContainer
.DefaultIndexerName
: tc
.IndexerName
;
2265 PredefinedAttribute pa
= PredefinedAttributes
.Get
.DefaultMember
;
2267 System
.Attribute attr
= System
.Attribute
.GetCustomAttribute (
2270 DefaultMemberAttribute dma
= (DefaultMemberAttribute
) attr
;
2271 return dma
.MemberName
;
2275 return TypeContainer
.DefaultIndexerName
;
2278 private static bool IsSignatureEqual (Type a
, Type b
)
2281 /// Consider the following example (bug #77674):
2283 /// public abstract class A
2285 /// public abstract T Foo<T> ();
2288 /// public abstract class B : A
2290 /// public override U Foo<T> ()
2291 /// { return default (U); }
2294 /// Here, `T' and `U' are method type parameters from different methods
2295 /// (A.Foo and B.Foo), so both `==' and Equals() will fail.
2297 /// However, since we're determining whether B.Foo() overrides A.Foo(),
2298 /// we need to do a signature based comparision and consider them equal.
2303 if (a
.IsGenericParameter
&& b
.IsGenericParameter
&&
2304 (a
.DeclaringMethod
!= null) && (b
.DeclaringMethod
!= null)) {
2305 return a
.GenericParameterPosition
== b
.GenericParameterPosition
;
2308 if (a
.IsArray
&& b
.IsArray
) {
2309 if (a
.GetArrayRank () != b
.GetArrayRank ())
2312 return IsSignatureEqual (GetElementType (a
), GetElementType (b
));
2315 if (a
.IsByRef
&& b
.IsByRef
)
2316 return IsSignatureEqual (GetElementType (a
), GetElementType (b
));
2318 if (IsGenericType (a
) && IsGenericType (b
)) {
2319 if (DropGenericTypeArguments (a
) != DropGenericTypeArguments (b
))
2322 Type
[] aargs
= GetTypeArguments (a
);
2323 Type
[] bargs
= GetTypeArguments (b
);
2325 if (aargs
.Length
!= bargs
.Length
)
2328 for (int i
= 0; i
< aargs
.Length
; i
++) {
2329 if (!IsSignatureEqual (aargs
[i
], bargs
[i
]))
2340 // Returns whether the array of memberinfos contains the given method
2342 public static bool ArrayContainsMethod (MemberInfo
[] array
, MethodBase new_method
, bool ignoreDeclType
)
2344 Type
[] new_args
= TypeManager
.GetParameterData (new_method
).Types
;
2346 foreach (MethodBase method
in array
) {
2347 if (!ignoreDeclType
&& method
.DeclaringType
!= new_method
.DeclaringType
)
2350 if (method
.Name
!= new_method
.Name
)
2353 if (method
is MethodInfo
&& new_method
is MethodInfo
&&
2355 TypeToCoreType (((MethodInfo
) method
).ReturnType
),
2356 TypeToCoreType (((MethodInfo
) new_method
).ReturnType
)))
2359 Type
[] old_args
= TypeManager
.GetParameterData (method
).Types
;
2360 int old_count
= old_args
.Length
;
2363 if (new_args
.Length
!= old_count
)
2366 for (i
= 0; i
< old_count
; i
++){
2367 if (!IsSignatureEqual (old_args
[i
], new_args
[i
]))
2380 // We copy methods from `new_members' into `target_list' if the signature
2381 // for the method from in the new list does not exist in the target_list
2383 // The name is assumed to be the same.
2385 public static ArrayList
CopyNewMethods (ArrayList target_list
, IList new_members
)
2387 if (target_list
== null){
2388 target_list
= new ArrayList ();
2390 foreach (MemberInfo mi
in new_members
){
2391 if (mi
is MethodBase
)
2392 target_list
.Add (mi
);
2397 MemberInfo
[] target_array
= new MemberInfo
[target_list
.Count
];
2398 target_list
.CopyTo (target_array
, 0);
2400 foreach (MemberInfo mi
in new_members
){
2401 MethodBase new_method
= (MethodBase
) mi
;
2403 if (!ArrayContainsMethod (target_array
, new_method
, true))
2404 target_list
.Add (new_method
);
2411 // Tracks the generic parameters.
2413 static PtrHashtable builder_to_type_param
;
2415 public static void AddTypeParameter (Type t
, TypeParameter tparam
)
2417 if (!builder_to_type_param
.Contains (t
))
2418 builder_to_type_param
.Add (t
, tparam
);
2421 public static TypeParameter
LookupTypeParameter (Type t
)
2423 return (TypeParameter
) builder_to_type_param
[t
];
2426 // This method always return false for non-generic compiler,
2427 // while Type.IsGenericParameter is returned if it is supported.
2428 public static bool IsGenericParameter (Type type
)
2430 return type
.IsGenericParameter
;
2433 public static int GenericParameterPosition (Type type
)
2435 return type
.GenericParameterPosition
;
2438 public static bool IsGenericType (Type type
)
2440 return type
.IsGenericType
;
2443 public static bool IsGenericTypeDefinition (Type type
)
2445 return type
.IsGenericTypeDefinition
;
2448 public static bool ContainsGenericParameters (Type type
)
2450 return type
.ContainsGenericParameters
;
2453 public static FieldInfo
GetGenericFieldDefinition (FieldInfo fi
)
2455 if (fi
.DeclaringType
.IsGenericTypeDefinition
||
2456 !fi
.DeclaringType
.IsGenericType
)
2459 Type t
= fi
.DeclaringType
.GetGenericTypeDefinition ();
2460 BindingFlags bf
= BindingFlags
.Public
| BindingFlags
.NonPublic
|
2461 BindingFlags
.Static
| BindingFlags
.Instance
| BindingFlags
.DeclaredOnly
;
2463 // TODO: use CodeGen.Module.Builder.ResolveField (fi.MetadataToken);
2464 foreach (FieldInfo f
in t
.GetFields (bf
))
2465 if (f
.MetadataToken
== fi
.MetadataToken
)
2471 public static bool IsEqual (Type a
, Type b
)
2474 // MS BCL returns true even if enum types are different
2475 if (a
.BaseType
== TypeManager
.enum_type
|| b
.BaseType
== TypeManager
.enum_type
)
2476 return a
.FullName
== b
.FullName
;
2478 // Some types are never equal
2479 if (a
== TypeManager
.null_type
|| a
== InternalType
.AnonymousMethod
)
2485 if (IsGenericParameter (a
) && IsGenericParameter (b
)) {
2486 // TODO: needs more testing before cleaning up
2487 //if (a.DeclaringMethod != b.DeclaringMethod &&
2488 // (a.DeclaringMethod == null || b.DeclaringMethod == null))
2490 return a
.GenericParameterPosition
== b
.GenericParameterPosition
;
2493 if (a
.IsArray
&& b
.IsArray
) {
2494 if (a
.GetArrayRank () != b
.GetArrayRank ())
2496 return IsEqual (GetElementType (a
), GetElementType (b
));
2499 if (a
.IsByRef
&& b
.IsByRef
)
2500 return IsEqual (a
.GetElementType (), b
.GetElementType ());
2502 if (IsGenericType (a
) && IsGenericType (b
)) {
2503 Type adef
= DropGenericTypeArguments (a
);
2504 Type bdef
= DropGenericTypeArguments (b
);
2509 if (adef
.IsEnum
&& bdef
.IsEnum
)
2512 Type
[] aargs
= GetTypeArguments (a
);
2513 Type
[] bargs
= GetTypeArguments (b
);
2515 if (aargs
.Length
!= bargs
.Length
)
2518 for (int i
= 0; i
< aargs
.Length
; i
++) {
2519 if (!IsEqual (aargs
[i
], bargs
[i
]))
2529 public static bool IsEqual (Type
[] a
, Type
[] b
)
2531 if (a
== null || b
== null || a
.Length
!= b
.Length
)
2534 for (int i
= 0; i
< a
.Length
; ++i
) {
2535 if (a
[i
] == null || b
[i
] == null) {
2542 if (!IsEqual (a
[i
], b
[i
]))
2549 public static Type
DropGenericTypeArguments (Type t
)
2551 if (!t
.IsGenericType
)
2553 // Micro-optimization: a generic typebuilder is always a generic type definition
2554 if (t
is TypeBuilder
)
2556 return t
.GetGenericTypeDefinition ();
2559 public static MethodBase
DropGenericMethodArguments (MethodBase m
)
2561 if (m
.IsGenericMethod
)
2562 m
= ((MethodInfo
) m
).GetGenericMethodDefinition ();
2564 Type t
= m
.DeclaringType
;
2565 if (!t
.IsGenericType
|| t
.IsGenericTypeDefinition
)
2568 t
= t
.GetGenericTypeDefinition ();
2569 BindingFlags bf
= BindingFlags
.Public
| BindingFlags
.NonPublic
|
2570 BindingFlags
.Static
| BindingFlags
.Instance
| BindingFlags
.DeclaredOnly
;
2573 // TODO: use CodeGen.Module.Builder.ResolveMethod ()
2577 if (m
is ConstructorInfo
) {
2578 foreach (ConstructorInfo c
in t
.GetConstructors (bf
))
2579 if (c
.MetadataToken
== m
.MetadataToken
)
2582 foreach (MethodBase mb
in t
.GetMethods (bf
))
2583 if (mb
.MetadataToken
== m
.MetadataToken
)
2590 public static Type
[] GetGenericArguments (MethodBase mi
)
2592 return mi
.GetGenericArguments () ?? Type
.EmptyTypes
;
2595 public static Type
[] GetTypeArguments (Type t
)
2597 DeclSpace tc
= LookupDeclSpace (t
);
2600 return Type
.EmptyTypes
;
2602 TypeParameter
[] tparam
= tc
.TypeParameters
;
2603 Type
[] ret
= new Type
[tparam
.Length
];
2604 for (int i
= 0; i
< tparam
.Length
; i
++) {
2605 ret
[i
] = tparam
[i
].Type
;
2606 if (ret
[i
] == null)
2607 throw new InternalErrorException ();
2612 return t
.GetGenericArguments ();
2615 public static GenericConstraints
GetTypeParameterConstraints (Type t
)
2617 if (!t
.IsGenericParameter
)
2618 throw new InvalidOperationException ();
2620 TypeParameter tparam
= LookupTypeParameter (t
);
2622 return tparam
.GenericConstraints
;
2624 return ReflectionConstraints
.GetConstraints (t
);
2627 public static bool HasGenericArguments (Type t
)
2629 return GetNumberOfTypeArguments (t
) > 0;
2632 public static int GetNumberOfTypeArguments (Type t
)
2634 if (t
.IsGenericParameter
)
2636 DeclSpace tc
= LookupDeclSpace (t
);
2638 return tc
.IsGeneric
? tc
.CountTypeParameters
: 0;
2640 return t
.IsGenericType
? t
.GetGenericArguments ().Length
: 0;
2644 /// Check whether `type' and `parent' are both instantiations of the same
2645 /// generic type. Note that we do not check the type parameters here.
2647 public static bool IsInstantiationOfSameGenericType (Type type
, Type parent
)
2649 int tcount
= GetNumberOfTypeArguments (type
);
2650 int pcount
= GetNumberOfTypeArguments (parent
);
2652 if (tcount
!= pcount
)
2655 type
= DropGenericTypeArguments (type
);
2656 parent
= DropGenericTypeArguments (parent
);
2658 return type
.Equals (parent
);
2662 /// Whether `mb' is a generic method definition.
2664 public static bool IsGenericMethodDefinition (MethodBase mb
)
2666 if (mb
.DeclaringType
is TypeBuilder
) {
2667 IMethodData method
= (IMethodData
) builder_to_method
[mb
];
2671 return method
.GenericMethod
!= null;
2674 return mb
.IsGenericMethodDefinition
;
2678 /// Whether `mb' is a generic method.
2680 public static bool IsGenericMethod (MethodBase mb
)
2682 return mb
.IsGenericMethod
;
2685 public static bool IsNullableType (Type t
)
2687 return generic_nullable_type
== DropGenericTypeArguments (t
);
2691 #region MemberLookup implementation
2694 // Whether we allow private members in the result (since FindMembers
2695 // uses NonPublic for both protected and private), we need to distinguish.
2698 internal class Closure
{
2699 internal bool private_ok
;
2701 // Who is invoking us and which type is being queried currently.
2702 internal Type invocation_type
;
2703 internal Type qualifier_type
;
2705 // The assembly that defines the type is that is calling us
2706 internal Assembly invocation_assembly
;
2707 internal IList almost_match
;
2709 private bool CheckValidFamilyAccess (bool is_static
, MemberInfo m
)
2711 if (invocation_type
== null)
2714 if (is_static
&& qualifier_type
== null)
2715 // It resolved from a simple name, so it should be visible.
2718 if (IsNestedChildOf (invocation_type
, m
.DeclaringType
))
2721 for (Type t
= invocation_type
; t
!= null; t
= t
.DeclaringType
) {
2722 if (!IsFamilyAccessible (t
, m
.DeclaringType
))
2725 // Although a derived class can access protected members of its base class
2726 // it cannot do so through an instance of the base class (CS1540).
2727 // => Ancestry should be: declaring_type ->* invocation_type ->* qualified_type
2728 if (is_static
|| qualifier_type
== null ||
2729 IsInstantiationOfSameGenericType (t
, qualifier_type
) ||
2730 IsFamilyAccessible (qualifier_type
, t
))
2734 if (almost_match
!= null)
2735 almost_match
.Add (m
);
2741 // This filter filters by name + whether it is ok to include private
2742 // members in the search
2744 internal bool Filter (MemberInfo m
, object filter_criteria
)
2747 // Hack: we know that the filter criteria will always be in the
2748 // `closure' // fields.
2751 if ((filter_criteria
!= null) && (m
.Name
!= (string) filter_criteria
))
2754 if (((qualifier_type
== null) || (qualifier_type
== invocation_type
)) &&
2755 (invocation_type
!= null) &&
2756 IsPrivateAccessible (m
.DeclaringType
, invocation_type
))
2760 // Ugly: we need to find out the type of `m', and depending
2761 // on this, tell whether we accept or not
2763 if (m
is MethodBase
){
2764 MethodBase mb
= (MethodBase
) m
;
2765 MethodAttributes ma
= mb
.Attributes
& MethodAttributes
.MemberAccessMask
;
2767 if (ma
== MethodAttributes
.Public
)
2770 if (ma
== MethodAttributes
.PrivateScope
)
2773 if (ma
== MethodAttributes
.Private
)
2774 return private_ok
||
2775 IsPrivateAccessible (invocation_type
, m
.DeclaringType
) ||
2776 IsNestedChildOf (invocation_type
, m
.DeclaringType
);
2778 if (TypeManager
.IsThisOrFriendAssembly (invocation_assembly
, mb
.DeclaringType
.Assembly
)) {
2779 if (ma
== MethodAttributes
.Assembly
|| ma
== MethodAttributes
.FamORAssem
)
2782 if (ma
== MethodAttributes
.Assembly
|| ma
== MethodAttributes
.FamANDAssem
)
2786 // Family, FamORAssem or FamANDAssem
2787 return CheckValidFamilyAccess (mb
.IsStatic
, m
);
2790 if (m
is FieldInfo
){
2791 FieldInfo fi
= (FieldInfo
) m
;
2792 FieldAttributes fa
= fi
.Attributes
& FieldAttributes
.FieldAccessMask
;
2794 if (fa
== FieldAttributes
.Public
)
2797 if (fa
== FieldAttributes
.PrivateScope
)
2800 if (fa
== FieldAttributes
.Private
)
2801 return private_ok
||
2802 IsPrivateAccessible (invocation_type
, m
.DeclaringType
) ||
2803 IsNestedChildOf (invocation_type
, m
.DeclaringType
);
2805 if (TypeManager
.IsThisOrFriendAssembly (invocation_assembly
, fi
.DeclaringType
.Assembly
)) {
2806 if ((fa
== FieldAttributes
.Assembly
) ||
2807 (fa
== FieldAttributes
.FamORAssem
))
2810 if ((fa
== FieldAttributes
.Assembly
) ||
2811 (fa
== FieldAttributes
.FamANDAssem
))
2815 // Family, FamORAssem or FamANDAssem
2816 return CheckValidFamilyAccess (fi
.IsStatic
, m
);
2820 // EventInfos and PropertyInfos, return true because they lack
2821 // permission information, so we need to check later on the methods.
2827 static Closure closure
;
2828 static MemberFilter FilterWithClosure_delegate
;
2831 // Looks up a member called `name' in the `queried_type'. This lookup
2832 // is done by code that is contained in the definition for `invocation_type'
2833 // through a qualifier of type `qualifier_type' (or null if there is no qualifier).
2835 // `invocation_type' is used to check whether we're allowed to access the requested
2836 // member wrt its protection level.
2838 // When called from MemberAccess, `qualifier_type' is the type which is used to access
2839 // the requested member (`class B { A a = new A (); a.foo = 5; }'; here invocation_type
2840 // is B and qualifier_type is A). This is used to do the CS1540 check.
2842 // When resolving a SimpleName, `qualifier_type' is null.
2844 // The `qualifier_type' is used for the CS1540 check; it's normally either null or
2845 // the same than `queried_type' - except when we're being called from BaseAccess;
2846 // in this case, `invocation_type' is the current type and `queried_type' the base
2847 // type, so this'd normally trigger a CS1540.
2849 // The binding flags are `bf' and the kind of members being looked up are `mt'
2851 // The return value always includes private members which code in `invocation_type'
2852 // is allowed to access (using the specified `qualifier_type' if given); only use
2853 // BindingFlags.NonPublic to bypass the permission check.
2855 // The 'almost_match' argument is used for reporting error CS1540.
2857 // Returns an array of a single element for everything but Methods/Constructors
2858 // that might return multiple matches.
2860 public static MemberInfo
[] MemberLookup (Type invocation_type
, Type qualifier_type
,
2861 Type queried_type
, MemberTypes mt
,
2862 BindingFlags original_bf
, string name
, IList almost_match
)
2864 Timer
.StartTimer (TimerType
.MemberLookup
);
2866 MemberInfo
[] retval
= RealMemberLookup (invocation_type
, qualifier_type
,
2867 queried_type
, mt
, original_bf
, name
, almost_match
);
2869 Timer
.StopTimer (TimerType
.MemberLookup
);
2874 static MemberInfo
[] RealMemberLookup (Type invocation_type
, Type qualifier_type
,
2875 Type queried_type
, MemberTypes mt
,
2876 BindingFlags original_bf
, string name
, IList almost_match
)
2878 BindingFlags bf
= original_bf
;
2880 ArrayList method_list
= null;
2881 Type current_type
= queried_type
;
2882 bool searching
= (original_bf
& BindingFlags
.DeclaredOnly
) == 0;
2883 bool skip_iface_check
= true, used_cache
= false;
2884 bool always_ok_flag
= invocation_type
!= null && IsNestedChildOf (invocation_type
, queried_type
);
2886 closure
.invocation_type
= invocation_type
;
2887 closure
.invocation_assembly
= invocation_type
!= null ? invocation_type
.Assembly
: null;
2888 closure
.qualifier_type
= qualifier_type
;
2889 closure
.almost_match
= almost_match
;
2891 // This is from the first time we find a method
2892 // in most cases, we do not actually find a method in the base class
2893 // so we can just ignore it, and save the arraylist allocation
2894 MemberInfo
[] first_members_list
= null;
2895 bool use_first_members_list
= false;
2901 // `NonPublic' is lame, because it includes both protected and
2902 // private methods, so we need to control this behavior by
2903 // explicitly tracking if a private method is ok or not.
2905 // The possible cases are:
2906 // public, private and protected (internal does not come into the
2909 if ((invocation_type
!= null) &&
2910 ((invocation_type
== current_type
) ||
2911 IsNestedChildOf (invocation_type
, current_type
)) ||
2913 bf
= original_bf
| BindingFlags
.NonPublic
;
2917 closure
.private_ok
= (original_bf
& BindingFlags
.NonPublic
) != 0;
2919 Timer
.StopTimer (TimerType
.MemberLookup
);
2921 list
= MemberLookup_FindMembers (current_type
, mt
, bf
, name
, out used_cache
);
2923 Timer
.StartTimer (TimerType
.MemberLookup
);
2926 // When queried for an interface type, the cache will automatically check all
2927 // inherited members, so we don't need to do this here. However, this only
2928 // works if we already used the cache in the first iteration of this loop.
2930 // If we used the cache in any further iteration, we can still terminate the
2931 // loop since the cache always looks in all base classes.
2937 skip_iface_check
= false;
2939 if (current_type
== TypeManager
.object_type
)
2942 current_type
= current_type
.BaseType
;
2945 // This happens with interfaces, they have a null
2946 // basetype. Look members up in the Object class.
2948 if (current_type
== null) {
2949 current_type
= TypeManager
.object_type
;
2954 if (list
.Length
== 0)
2958 // Events and types are returned by both `static' and `instance'
2959 // searches, which means that our above FindMembers will
2960 // return two copies of the same.
2962 if (list
.Length
== 1 && !(list
[0] is MethodBase
)){
2967 // Multiple properties: we query those just to find out the indexer
2970 if (list
[0] is PropertyInfo
)
2974 // We found an event: the cache lookup returns both the event and
2975 // its private field.
2977 if (list
[0] is EventInfo
) {
2978 if ((list
.Length
== 2) && (list
[1] is FieldInfo
))
2979 return new MemberInfo
[] { list [0] }
;
2985 // We found methods, turn the search into "method scan"
2989 if (first_members_list
!= null) {
2990 if (use_first_members_list
) {
2991 method_list
= CopyNewMethods (method_list
, first_members_list
);
2992 use_first_members_list
= false;
2995 method_list
= CopyNewMethods (method_list
, list
);
2997 first_members_list
= list
;
2998 use_first_members_list
= true;
2999 mt
&= (MemberTypes
.Method
| MemberTypes
.Constructor
);
3001 } while (searching
);
3003 if (use_first_members_list
)
3004 return first_members_list
;
3006 if (method_list
!= null && method_list
.Count
> 0) {
3007 return (MemberInfo
[]) method_list
.ToArray (typeof (MemberInfo
));
3010 // This happens if we already used the cache in the first iteration, in this case
3011 // the cache already looked in all interfaces.
3013 if (skip_iface_check
)
3017 // Interfaces do not list members they inherit, so we have to
3020 if (!queried_type
.IsInterface
)
3023 if (queried_type
.IsArray
)
3024 queried_type
= TypeManager
.array_type
;
3026 Type
[] ifaces
= GetInterfaces (queried_type
);
3030 foreach (Type itype
in ifaces
){
3033 x
= MemberLookup (null, null, itype
, mt
, bf
, name
, null);
3041 public const BindingFlags AllMembers
= BindingFlags
.Public
| BindingFlags
.NonPublic
|
3042 BindingFlags
.Static
| BindingFlags
.Instance
|
3043 BindingFlags
.DeclaredOnly
;
3045 // Currently is designed to work with external types only
3046 public static PropertyInfo
GetPropertyFromAccessor (MethodBase mb
)
3048 if (!mb
.IsSpecialName
)
3051 string name
= mb
.Name
;
3052 if (name
.Length
< 5)
3055 if (name
[3] != '_')
3058 if (name
.StartsWith ("get") || name
.StartsWith ("set")) {
3059 MemberInfo
[] pi
= mb
.DeclaringType
.FindMembers (MemberTypes
.Property
, AllMembers
,
3060 Type
.FilterName
, name
.Substring (4));
3065 // This can happen when property is indexer (it can have same name but different parameters)
3066 foreach (PropertyInfo p
in pi
) {
3067 foreach (MethodInfo p_mi
in p
.GetAccessors (true)) {
3068 if (p_mi
== mb
|| TypeManager
.GetParameterData (p_mi
).Equals (TypeManager
.GetParameterData (mb
)))
3077 // Currently is designed to work with external types only
3078 public static MemberInfo
GetEventFromAccessor (MethodBase mb
)
3080 if (!mb
.IsSpecialName
)
3083 string name
= mb
.Name
;
3084 if (name
.Length
< 5)
3087 if (name
.StartsWith ("add_"))
3088 return mb
.DeclaringType
.GetEvent (name
.Substring (4), AllMembers
);
3090 if (name
.StartsWith ("remove_"))
3091 return mb
.DeclaringType
.GetEvent (name
.Substring (7), AllMembers
);
3096 // Tests whether external method is really special
3097 public static bool IsSpecialMethod (MethodBase mb
)
3099 if (!mb
.IsSpecialName
)
3102 IMethodData md
= TypeManager
.GetMethod (mb
);
3104 return (md
is AbstractPropertyEventMethod
|| md
is Operator
);
3106 PropertyInfo pi
= GetPropertyFromAccessor (mb
);
3108 return IsValidProperty (pi
);
3110 if (GetEventFromAccessor (mb
) != null)
3113 string name
= mb
.Name
;
3114 if (name
.StartsWith ("op_"))
3115 return Operator
.GetName (name
) != null;
3120 // Tests whether imported property is valid C# property.
3121 // TODO: It seems to me that we should do a lot of sanity tests before
3122 // we accept property as C# property
3123 static bool IsValidProperty (PropertyInfo pi
)
3125 MethodInfo get_method
= pi
.GetGetMethod (true);
3126 MethodInfo set_method
= pi
.GetSetMethod (true);
3129 if (get_method
!= null && set_method
!= null) {
3130 g_count
= get_method
.GetParameters ().Length
;
3131 s_count
= set_method
.GetParameters ().Length
;
3132 if (g_count
+ 1 != s_count
)
3134 } else if (get_method
!= null) {
3135 g_count
= get_method
.GetParameters ().Length
;
3136 } else if (set_method
!= null) {
3137 s_count
= set_method
.GetParameters ().Length
;
3141 // DefaultMemberName and indexer name has to match to identify valid C# indexer
3143 PredefinedAttribute pa
= PredefinedAttributes
.Get
.DefaultMember
;
3144 if ((s_count
> 1 || g_count
> 0) && pa
.IsDefined
) {
3145 object[] o
= pi
.DeclaringType
.GetCustomAttributes (pa
.Type
, false);
3149 DefaultMemberAttribute dma
= (DefaultMemberAttribute
) o
[0];
3150 if (dma
.MemberName
!= pi
.Name
)
3152 if (get_method
!= null && "get_" + dma
.MemberName
!= get_method
.Name
)
3154 if (set_method
!= null && "set_" + dma
.MemberName
!= set_method
.Name
)
3167 public static readonly Type AnonymousMethod
= typeof (AnonymousMethodBody
);
3168 public static readonly Type Arglist
= typeof (ArglistAccess
);
3169 public static readonly Type Dynamic
= new DynamicType ();
3170 public static readonly Type MethodGroup
= typeof (MethodGroupExpr
);
3174 /// There is exactly one instance of this class per type.
3176 public sealed class TypeHandle
: IMemberContainer
{
3177 public readonly IMemberContainer BaseType
;
3179 readonly int id
= ++next_id
;
3180 static int next_id
= 0;
3182 static TypeHandle ()
3188 /// Lookup a TypeHandle instance for the given type. If the type doesn't have
3189 /// a TypeHandle yet, a new instance of it is created. This static method
3190 /// ensures that we'll only have one TypeHandle instance per type.
3192 private static TypeHandle
GetTypeHandle (Type t
)
3194 TypeHandle handle
= (TypeHandle
) type_hash
[t
];
3198 handle
= new TypeHandle (t
);
3199 type_hash
.Add (t
, handle
);
3203 public static MemberCache
GetMemberCache (Type t
)
3205 return GetTypeHandle (t
).MemberCache
;
3208 public static void CleanUp ()
3213 public static void Reset ()
3215 type_hash
= new PtrHashtable ();
3219 /// Returns the TypeHandle for TypeManager.object_type.
3221 public static IMemberContainer ObjectType
{
3223 if (object_type
!= null)
3226 object_type
= GetTypeHandle (TypeManager
.object_type
);
3233 /// Returns the TypeHandle for TypeManager.array_type.
3235 public static TypeHandle ArrayType
{
3237 if (array_type
!= null)
3240 array_type
= GetTypeHandle (TypeManager
.array_type
);
3246 private static PtrHashtable type_hash
;
3248 private static TypeHandle object_type
= null;
3249 private static TypeHandle array_type
= null;
3252 private string full_name
;
3253 private bool is_interface
;
3254 private MemberCache member_cache
;
3255 private MemberCache base_cache
;
3257 private TypeHandle (Type type
)
3260 full_name
= type
.FullName
!= null ? type
.FullName
: type
.Name
;
3261 if (type
.BaseType
!= null) {
3262 base_cache
= TypeManager
.LookupMemberCache (type
.BaseType
);
3263 BaseType
= base_cache
.Container
;
3264 } else if (type
.IsInterface
)
3265 base_cache
= TypeManager
.LookupBaseInterfacesCache (type
);
3266 this.is_interface
= type
.IsInterface
|| TypeManager
.IsGenericParameter (type
);
3267 this.member_cache
= new MemberCache (this);
3270 // IMemberContainer methods
3272 public string Name
{
3284 public MemberCache BaseCache
{
3290 public bool IsInterface
{
3292 return is_interface
;
3296 public MemberList
GetMembers (MemberTypes mt
, BindingFlags bf
)
3298 MemberInfo
[] members
;
3300 if (type
is GenericTypeParameterBuilder
)
3301 return MemberList
.Empty
;
3304 type
= TypeManager
.DropGenericTypeArguments (type
);
3306 if (mt
== MemberTypes
.Event
)
3307 members
= type
.GetEvents (bf
| BindingFlags
.DeclaredOnly
);
3309 members
= type
.FindMembers (mt
, bf
| BindingFlags
.DeclaredOnly
,
3312 if (members
.Length
== 0)
3313 return MemberList
.Empty
;
3315 Array
.Reverse (members
);
3316 return new MemberList (members
);
3319 // IMemberFinder methods
3321 public MemberList
FindMembers (MemberTypes mt
, BindingFlags bf
, string name
,
3322 MemberFilter filter
, object criteria
)
3324 return new MemberList (member_cache
.FindMembers (mt
, bf
, name
, filter
, criteria
));
3327 public MemberCache MemberCache
{
3329 return member_cache
;
3333 public override string ToString ()
3335 if (BaseType
!= null)
3336 return "TypeHandle (" + id
+ "," + Name
+ " : " + BaseType
+ ")";
3338 return "TypeHandle (" + id
+ "," + Name
+ ")";