// (C) 2001 Ximian, Inc (http://www.ximian.com)
//
//
-#define CACHE
+
+//
+// We will eventually remove the SIMPLE_SPEEDUP, and should never change
+// the behavior of the compilation. This can be removed if we rework
+// the code to get a list of namespaces available.
+//
+#define SIMPLE_SPEEDUP
using System;
using System.Globalization;
namespace Mono.CSharp {
-public class MemberList : IList {
- public readonly IList List;
- int count;
-
- public MemberList (IList list)
- {
- if (list != null)
- this.List = list;
- else
- this.List = new ArrayList ();
- count = List.Count;
- }
-
- public static readonly MemberList Empty = new MemberList (new ArrayList ());
-
- public static explicit operator MemberInfo [] (MemberList list)
- {
- Timer.StartTimer (TimerType.MiscTimer);
- MemberInfo [] result = new MemberInfo [list.Count];
- list.CopyTo (result, 0);
- Timer.StopTimer (TimerType.MiscTimer);
- return result;
- }
-
- // ICollection
-
- public int Count {
- get {
- return count;
- }
- }
-
- public bool IsSynchronized {
- get {
- return false;
- }
- }
-
- public object SyncRoot {
- get {
- throw new NotSupportedException ();
- }
- }
-
- public void CopyTo (Array array, int index)
- {
- List.CopyTo (array, index);
- }
-
- // IEnumerable
-
- public IEnumerator GetEnumerator ()
- {
- return List.GetEnumerator ();
- }
-
- // IList
-
- public bool IsFixedSize {
- get {
- return true;
- }
- }
-
- public bool IsReadOnly {
- get {
- return true;
- }
- }
-
- object IList.this [int index] {
- get {
- return List [index];
- }
-
- set {
- throw new NotSupportedException ();
- }
- }
-
- public MemberInfo this [int index] {
- get {
- return (MemberInfo) List [index];
- }
- }
-
- public int Add (object value)
- {
- throw new NotSupportedException ();
- }
-
- public void Clear ()
- {
- throw new NotSupportedException ();
- }
-
- public bool Contains (object value)
- {
- return List.Contains (value);
- }
-
- public int IndexOf (object value)
- {
- return List.IndexOf (value);
- }
-
- public void Insert (int index, object value)
- {
- throw new NotSupportedException ();
- }
-
- public void Remove (object value)
- {
- throw new NotSupportedException ();
- }
-
- public void RemoveAt (int index)
- {
- throw new NotSupportedException ();
- }
-}
-
-public interface IMemberFinder {
- MemberList FindMembers (MemberTypes mt, BindingFlags bf,
- MemberFilter filter, object criteria);
-}
-
-public interface ICachingMemberFinder : IMemberFinder {
- MemberList FindMembers (MemberTypes mt, BindingFlags bf, string name,
- MemberFilter filter, object criteria);
-}
-
-public interface IMemberContainer : ICachingMemberFinder {
- MemberList GetMembers (MemberTypes mt, BindingFlags bf, bool declared);
-}
-
public class TypeManager {
//
// A list of core types that the compiler requires or uses
// </remarks>
static ArrayList user_types;
- static PtrHashtable builder_to_member_finder;
+ static PtrHashtable builder_to_declspace;
// <remarks>
// Tracks the interfaces implemented by typebuilders. We only
types = new Hashtable ();
typecontainers = new Hashtable ();
- builder_to_member_finder = new PtrHashtable ();
+ builder_to_declspace = new PtrHashtable ();
builder_to_attr = new PtrHashtable ();
builder_to_method = new PtrHashtable ();
method_arguments = new PtrHashtable ();
types.Add (name, t);
} catch {
Type prev = (Type) types [name];
- TypeContainer tc = builder_to_member_finder [prev] as TypeContainer;
+ TypeContainer tc = builder_to_declspace [prev] as TypeContainer;
if (tc != null){
//
return;
}
- tc = builder_to_member_finder [t] as TypeContainer;
+ tc = builder_to_declspace [t] as TypeContainer;
Report.Warning (
1595, "The type `" + name + "' is defined in an existing assembly;"+
public static void AddUserType (string name, TypeBuilder t, TypeContainer tc, Type [] ifaces)
{
- builder_to_member_finder.Add (t, tc);
+ builder_to_declspace.Add (t, tc);
typecontainers.Add (name, tc);
AddUserType (name, t, ifaces);
}
public static void AddDelegateType (string name, TypeBuilder t, Delegate del)
{
types.Add (name, t);
- builder_to_member_finder.Add (t, del);
+ builder_to_declspace.Add (t, del);
}
public static void AddEnumType (string name, TypeBuilder t, Enum en)
{
types.Add (name, t);
- builder_to_member_finder.Add (t, en);
+ builder_to_declspace.Add (t, en);
}
public static void AddUserInterface (string name, TypeBuilder t, Interface i, Type [] ifaces)
{
AddUserType (name, t, ifaces);
- builder_to_member_finder.Add (t, i);
+ builder_to_declspace.Add (t, i);
}
public static void AddMethod (MethodBuilder builder, MethodData method)
/// </summary>
public static TypeContainer LookupTypeContainer (Type t)
{
- return builder_to_member_finder [t] as TypeContainer;
+ return builder_to_declspace [t] as TypeContainer;
+ }
+
+ public static IMemberContainer LookupMemberContainer (Type t)
+ {
+ if (t is TypeBuilder) {
+ IMemberContainer container = builder_to_declspace [t] as IMemberContainer;
+ if (container != null)
+ return container;
+ }
+
+ return TypeHandle.GetTypeHandle (t);
}
public static Interface LookupInterface (Type t)
{
- return builder_to_member_finder [t] as Interface;
+ return builder_to_declspace [t] as Interface;
}
public static Delegate LookupDelegate (Type t)
{
- return builder_to_member_finder [t] as Delegate;
+ return builder_to_declspace [t] as Delegate;
}
public static Enum LookupEnum (Type t)
{
- return builder_to_member_finder [t] as Enum;
+ return builder_to_declspace [t] as Enum;
}
public static TypeContainer LookupAttr (Type t)
modules = n;
}
+ //
+ // Low-level lookup, cache-less
+ //
+ static Type LookupTypeReflection (string name)
+ {
+ Type t;
+
+ foreach (Assembly a in assemblies){
+ t = a.GetType (name);
+ if (t != null)
+ return t;
+ }
+
+ foreach (ModuleBuilder mb in modules) {
+ t = mb.GetType (name);
+ if (t != null){
+ return t;
+ }
+ }
+ return null;
+ }
+
+ static Hashtable negative_hits = new Hashtable ();
+
+ //
+ // This function is used when you want to avoid the lookups, and want to go
+ // directly to the source. This will use the cache.
+ //
+ // Notice that bypassing the cache is bad, because on Microsoft.NET runtime
+ // GetType ("DynamicType[]") != GetType ("DynamicType[]"), and there is no
+ // way to test things other than doing a fullname compare
+ //
+ public static Type LookupTypeDirect (string name)
+ {
+ Type t = (Type) types [name];
+ if (t != null)
+ return t;
+
+ t = LookupTypeReflection (name);
+ if (t == null)
+ return null;
+
+ types [name] = t;
+ return t;
+ }
+
/// <summary>
- /// Returns the Type associated with @name
+ /// Returns the Type associated with @name, takes care of the fact that
+ /// reflection expects nested types to be separated from the main type
+ /// with a "+" instead of a "."
/// </summary>
public static Type LookupType (string name)
{
if (t != null)
return t;
- foreach (Assembly a in assemblies){
- t = a.GetType (name);
- if (t != null){
- types [name] = t;
+#if SIMPLE_SPEEDUP
+ if (negative_hits.Contains (name))
+ return null;
+#endif
+
+ //
+ // Optimization: ComposedCast will work with an existing type, and might already have the
+ // full name of the type, so the full system lookup can probably be avoided.
+ //
+
+ string [] elements = name.Split ('.');
+ int count = elements.Length;
+
+ for (int n = 1; n <= count; n++){
+ string top_level_type = String.Join (".", elements, 0, n);
+ t = (Type) types [top_level_type];
+ if (t == null){
+ t = LookupTypeReflection (top_level_type);
+ if (t == null)
+ continue;
+ }
+
+ if (count == n){
+ types [name] = t;
return t;
+ }
+
+ //
+ // We know that System.Object does not have children, and since its the parent of
+ // all the objects, it always gets probbed for inner classes.
+ //
+ if (top_level_type == "System.Object")
+ return null;
+
+ string newt = top_level_type + "+" + String.Join ("+", elements, n, count - n);
+ t = LookupTypeDirect (newt);
+ if (t != null)
+ types [newt] = t;
+ return t;
+ }
+
+#if SIMPLE_SPEEDUP
+ negative_hits [name] = true;
+#endif
+ return null;
+ }
+
+ //
+ // Returns a list of all namespaces in the assemblies and types loaded.
+ //
+ public static Hashtable GetNamespaces ()
+ {
+ Hashtable namespaces = new Hashtable ();
+
+ foreach (Assembly a in assemblies){
+ foreach (Type t in a.GetTypes ()){
+ string ns = t.Namespace;
+
+ if (namespaces.Contains (ns))
+ continue;
+ namespaces [ns] = ns;
}
}
- foreach (ModuleBuilder mb in modules) {
- t = mb.GetType (name);
- if (t != null) {
- types [name] = t;
- return t;
+ foreach (ModuleBuilder mb in modules){
+ foreach (Type t in mb.GetTypes ()){
+ string ns = t.Namespace;
+
+ if (namespaces.Contains (ns))
+ continue;
+ namespaces [ns] = ns;
}
}
-
- return null;
+ Console.WriteLine ("Namespaces: " + namespaces.Count);
+ return namespaces;
}
+ public static void GetAllTypes ()
+ {
+ Hashtable namespaces = new Hashtable ();
+
+ foreach (Assembly a in assemblies){
+ foreach (Type t in a.GetTypes ()){
+ }
+ }
+
+ foreach (ModuleBuilder mb in modules){
+ foreach (Type t in mb.GetTypes ()){
+ }
+ }
+ }
+
/// <summary>
/// Returns the C# name of a type if possible, or the full type name otherwise
/// </summary>
static Hashtable type_hash = new Hashtable ();
+ /// <remarks>
+ /// This is the "old", non-cache based FindMembers() function. We cannot use
+ /// the cache here because there is no member name argument.
+ /// </remarks>
public static MemberList FindMembers (Type t, MemberTypes mt, BindingFlags bf,
MemberFilter filter, object criteria)
{
- IMemberFinder finder = (IMemberFinder) builder_to_member_finder [t];
- ICachingMemberFinder caching_finder = finder as ICachingMemberFinder;
-
- if (finder != null) {
- if ((caching_finder == null) || (filter != FilterWithClosure_delegate)) {
- MemberList list;
- Timer.StartTimer (TimerType.FindMembers);
- list = finder.FindMembers (mt, bf, filter, criteria);
- Timer.StopTimer (TimerType.FindMembers);
- return list;
- }
+ DeclSpace decl = (DeclSpace) builder_to_declspace [t];
- return caching_finder.FindMembers (mt, bf, (string) criteria, filter, null);
+ //
+ // `builder_to_declspace' contains all dynamic types.
+ //
+ if (decl != null) {
+ MemberList list;
+ Timer.StartTimer (TimerType.FindMembers);
+ list = decl.FindMembers (mt, bf, filter, criteria);
+ Timer.StopTimer (TimerType.FindMembers);
+ return list;
}
- if (filter != FilterWithClosure_delegate)
- return new MemberList (RealFindMembers (t, mt, bf, filter, criteria));
-
- caching_finder = new TypeHandle (t);
- builder_to_member_finder.Add (t, caching_finder);
-
- return caching_finder.FindMembers (mt, bf, (string) criteria, filter, null);
- }
-
- //
- // FIXME: This can be optimized easily. speedup by having a single builder mapping
- //
- static MemberInfo [] RealFindMembers (Type t, MemberTypes mt, BindingFlags bf,
- MemberFilter filter, object criteria)
- {
//
// We have to take care of arrays specially, because GetType on
// a TypeBuilder array will return a Type, not a TypeBuilder,
// and we can not call FindMembers on this type.
//
if (t.IsSubclassOf (TypeManager.array_type))
- return TypeManager.array_type.FindMembers (mt, bf, filter, criteria);
+ return new MemberList (TypeManager.array_type.FindMembers (mt, bf, filter, criteria));
- if (t is TypeBuilder)
- return null;
-
//
// Since FindMembers will not lookup both static and instance
// members, we emulate this behaviour here.
// If any of these are present, we are done!
//
if ((one is Type) || (one is EventInfo) || (one is FieldInfo))
- return i_members;
+ return new MemberList (i_members);
}
MemberInfo [] s_members = t.FindMembers (
mt, bf & ~BindingFlags.Instance, filter, criteria);
int s_len = s_members.Length;
- if (i_len > 0 || s_len > 0){
- MemberInfo [] both = new MemberInfo [i_len + s_len];
-
- i_members.CopyTo (both, 0);
- s_members.CopyTo (both, i_len);
-
- return both;
- } else {
+ if (i_len > 0 || s_len > 0)
+ return new MemberList (i_members, s_members);
+ else {
if (i_len > 0)
- return i_members;
+ return new MemberList (i_members);
else
- return s_members;
+ return new MemberList (s_members);
+ }
+ }
+
+ return new MemberList (t.FindMembers (mt, bf, filter, criteria));
+ }
+
+
+ /// <summary>
+ /// This method is only called from within MemberLookup. It tries to use the member
+ /// cache if possible and falls back to the normal FindMembers if not. The `used_cache'
+ /// flag tells the caller whether we used the cache or not. If we used the cache, then
+ /// our return value will already contain all inherited members and the caller don't need
+ /// to check base classes and interfaces anymore.
+ /// </summary>
+ private static MemberList MemberLookup_FindMembers (Type t, MemberTypes mt, BindingFlags bf,
+ string name, out bool used_cache)
+ {
+ //
+ // We have to take care of arrays specially, because GetType on
+ // a TypeBuilder array will return a Type, not a TypeBuilder,
+ // and we can not call FindMembers on this type.
+ //
+ if (t.IsSubclassOf (TypeManager.array_type)) {
+ used_cache = true;
+ return TypeHandle.ArrayType.MemberCache.FindMembers (
+ mt, bf, name, FilterWithClosure_delegate, null);
+ }
+
+ //
+ // If this is a dynamic type, it's always in the `builder_to_declspace' hash table
+ // and we can ask the DeclSpace for the MemberCache.
+ //
+ if (t is TypeBuilder) {
+ DeclSpace decl = (DeclSpace) builder_to_declspace [t];
+ MemberCache cache = decl.MemberCache;
+
+ //
+ // If this DeclSpace has a MemberCache, use it.
+ //
+
+ if (cache != null) {
+ used_cache = true;
+ return cache.FindMembers (
+ mt, bf, name, FilterWithClosure_delegate, null);
}
+
+ // If there is no MemberCache, we need to use the "normal" FindMembers.
+
+ MemberList list;
+ Timer.StartTimer (TimerType.FindMembers);
+ list = decl.FindMembers (mt, bf | BindingFlags.DeclaredOnly,
+ FilterWithClosure_delegate, name);
+ Timer.StopTimer (TimerType.FindMembers);
+ used_cache = false;
+ return list;
}
- return t.FindMembers (mt, bf, filter, criteria);
+
+ //
+ // This call will always succeed. There is exactly one TypeHandle instance per
+ // type, TypeHandle.GetTypeHandle() will either return it or create a new one
+ // if it didn't already exist.
+ //
+ TypeHandle handle = TypeHandle.GetTypeHandle (t);
+
+ used_cache = true;
+ return handle.MemberCache.FindMembers (mt, bf, name, FilterWithClosure_delegate, null);
}
public static bool IsBuiltinType (Type t)
else
return false;
}
-
+
+ //
+ // Whether a type is unmanaged. This is used by the unsafe code (25.2)
+ //
+ public static bool IsUnmanagedType (Type t)
+ {
+ if (IsBuiltinType (t) && t != TypeManager.string_type)
+ return true;
+
+ if (IsEnumType (t))
+ return true;
+
+ if (t.IsPointer)
+ return true;
+
+ if (IsValueType (t)){
+ if (t is TypeBuilder){
+ TypeContainer tc = LookupTypeContainer (t);
+
+ foreach (Field f in tc.Fields){
+ if (f.FieldBuilder.IsStatic)
+ continue;
+ if (!IsUnmanagedType (f.FieldBuilder.FieldType))
+ return false;
+ }
+ } else {
+ FieldInfo [] fields = t.GetFields ();
+
+ foreach (FieldInfo f in fields){
+ if (f.IsStatic)
+ continue;
+ if (!IsUnmanagedType (f.FieldType))
+ return false;
+ }
+ }
+ return true;
+ }
+
+ return false;
+ }
+
public static bool IsValueType (Type t)
{
if (t.IsSubclassOf (TypeManager.value_type))
public static bool IsInterfaceType (Type t)
{
- Interface iface = builder_to_member_finder [t] as Interface;
+ Interface iface = builder_to_declspace [t] as Interface;
if (iface != null)
return true;
public static bool IsSubclassOrNestedChildOf (Type type, Type parent)
{
do {
- if (type.IsSubclassOf (parent))
+ if ((type == parent) || type.IsSubclassOf (parent))
return true;
// Handle nested types.
return false;
}
+ //
+ // Checks whether `type' is a nested child of `parent'.
+ //
+ public static bool IsNestedChildOf (Type type, Type parent)
+ {
+ if ((type == parent) || type.IsSubclassOf (parent))
+ return false;
+ else
+ return IsSubclassOrNestedChildOf (type, parent);
+ }
+
/// <summary>
/// Returns the User Defined Types
/// </summary>
return true;
}
- //
- // FIXME: we need to return the accessors depending on whether
- // they are visible or not.
- //
- static public MethodInfo [] GetAccessors (PropertyInfo pi)
- {
- MethodInfo [] ret;
-
- if (pi is PropertyBuilder){
- Pair pair = (Pair) properties [pi];
-
- ret = new MethodInfo [2];
- ret [0] = (MethodInfo) pair.First;
- ret [1] = (MethodInfo) pair.Second;
-
- return ret;
- } else {
- MethodInfo [] mi = new MethodInfo [2];
-
- //
- // Why this and not pi.GetAccessors?
- // Because sometimes index 0 is the getter
- // sometimes it is 1
- //
- mi [0] = pi.GetGetMethod (true);
- mi [1] = pi.GetSetMethod (true);
-
- return mi;
- }
- }
-
- static public MethodInfo GetPropertyGetter (PropertyInfo pi)
- {
- if (pi is PropertyBuilder){
- Pair de = (Pair) properties [pi];
-
- return (MethodInfo) de.Second;
- } else
- return pi.GetSetMethod ();
- }
-
- static public MethodInfo GetPropertySetter (PropertyInfo pi)
- {
- if (pi is PropertyBuilder){
- Pair de = (Pair) properties [pi];
-
- return (MethodInfo) de.First;
- } else
- return pi.GetGetMethod ();
- }
-
/// <summary>
/// Given an array of interface types, expand and eliminate repeated ocurrences
/// of an interface.
//
if ((filter_criteria != null) && (m.Name != (string) filter_criteria))
- return false;
+ return false;
+
+ if ((closure_start_type == closure_invocation_type) &&
+ (m.DeclaringType == closure_invocation_type))
+ return true;
//
// Ugly: we need to find out the type of `m', and depending
MethodAttributes ma = mb.Attributes & MethodAttributes.MemberAccessMask;
if (ma == MethodAttributes.Private)
- return closure_private_ok;
+ return closure_private_ok || (closure_invocation_type == m.DeclaringType);
//
// FamAndAssem requires that we not only derivate, but we are on the
// Family and FamANDAssem require that we derive.
if ((ma == MethodAttributes.Family) || (ma == MethodAttributes.FamANDAssem)){
+ if (closure_invocation_type == null)
+ return false;
+
if (!IsSubclassOrNestedChildOf (closure_invocation_type, mb.DeclaringType))
return false;
// Although a derived class can access protected members of its base class
// it cannot do so through an instance of the base class (CS1540).
- if ((closure_invocation_type != closure_start_type) &&
+ if (!mb.IsStatic && (closure_invocation_type != closure_start_type) &&
closure_invocation_type.IsSubclassOf (closure_start_type))
return false;
FieldAttributes fa = fi.Attributes & FieldAttributes.FieldAccessMask;
if (fa == FieldAttributes.Private)
- return closure_private_ok;
+ return closure_private_ok || (closure_invocation_type == m.DeclaringType);
//
// FamAndAssem requires that we not only derivate, but we are on the
// Family and FamANDAssem require that we derive.
if ((fa == FieldAttributes.Family) || (fa == FieldAttributes.FamANDAssem)){
+ if (closure_invocation_type == null)
+ return false;
+
if (!IsSubclassOrNestedChildOf (closure_invocation_type, fi.DeclaringType))
return false;
// Although a derived class can access protected members of its base class
// it cannot do so through an instance of the base class (CS1540).
- if ((closure_invocation_type != closure_start_type) &&
+ if (!fi.IsStatic && (closure_invocation_type != closure_start_type) &&
closure_invocation_type.IsSubclassOf (closure_start_type))
return false;
}
//
- // EventInfos and PropertyInfos, return true
+ // EventInfos and PropertyInfos, return true because they lack permission
+ // informaiton, so we need to check later on the methods.
//
return true;
}
bool searching = (original_bf & BindingFlags.DeclaredOnly) == 0;
bool private_ok;
bool always_ok_flag = false;
+ bool skip_iface_check = true, used_cache = false;
closure_name = name;
closure_invocation_type = invocation_type;
private_ok = true;
} else
private_ok = always_ok_flag;
-
+
if (private_ok || invocation_type.IsSubclassOf (current_type))
bf = original_bf | BindingFlags.NonPublic;
} else {
Timer.StopTimer (TimerType.MemberLookup);
- if (MemberCache.IsSingleMemberType (mt)) {
- searching = false;
- list = TypeManager.FindMembers (current_type, mt, bf,
- FilterWithClosure_delegate, name);
- } else
- list = TypeManager.FindMembers (
- current_type, mt, bf | BindingFlags.DeclaredOnly,
- FilterWithClosure_delegate, name);
-
+ list = MemberLookup_FindMembers (current_type, mt, bf, name, out used_cache);
+
Timer.StartTimer (TimerType.MemberLookup);
+ //
+ // When queried for an interface type, the cache will automatically check all
+ // inherited members, so we don't need to do this here. However, this only
+ // works if we already used the cache in the first iteration of this loop.
+ //
+ // If we used the cache in any further iteration, we can still terminate the
+ // loop since the cache always looks in all parent classes.
+ //
+
+ if (used_cache)
+ searching = false;
+ else
+ skip_iface_check = false;
+
if (current_type == TypeManager.object_type)
searching = false;
else {
if (method_list != null && method_list.Count > 0)
return (MemberInfo []) method_list.ToArray (typeof (MemberInfo));
-
+
+ //
+ // This happens if we already used the cache in the first iteration, in this case
+ // the cache already looked in all interfaces.
+ //
+ if (skip_iface_check)
+ return null;
+
//
// Interfaces do not list members they inherit, so we have to
// scan those.
}
-public class MemberCache {
- public readonly IMemberContainer Container;
- protected Hashtable MemberHash;
-
- public MemberCache (IMemberContainer container)
- {
- this.Container = container;
- this.MemberHash = new Hashtable ();
-
- Timer.IncrementCounter (CounterType.MemberCache);
- Timer.StartTimer (TimerType.CacheInit);
-
- AddMembers (true);
- AddMembers (false);
+/// <summary>
+/// There is exactly one instance of this class per type.
+/// </summary>
+public sealed class TypeHandle : IMemberContainer {
+ public readonly TypeHandle BaseType;
- Timer.StopTimer (TimerType.CacheInit);
- }
+ readonly int id = ++next_id;
+ static int next_id = 0;
- void AddMembers (bool declared)
+ /// <summary>
+ /// Lookup a TypeHandle instance for the given type. If the type doesn't have
+ /// a TypeHandle yet, a new instance of it is created. This static method
+ /// ensures that we'll only have one TypeHandle instance per type.
+ /// </summary>
+ public static TypeHandle GetTypeHandle (Type t)
{
- AddMembers (MemberTypes.Constructor, declared);
- AddMembers (MemberTypes.Event, declared);
- AddMembers (MemberTypes.Field, declared);
- AddMembers (MemberTypes.Method, declared);
- AddMembers (MemberTypes.Property, declared);
- AddMembers (MemberTypes.NestedType, declared);
- }
+ TypeHandle handle = (TypeHandle) type_hash [t];
+ if (handle != null)
+ return handle;
- void AddMembers (MemberTypes mt, bool declared)
- {
- AddMembers (mt, BindingFlags.Static | BindingFlags.Public, declared);
- AddMembers (mt, BindingFlags.Static | BindingFlags.NonPublic, declared);
- AddMembers (mt, BindingFlags.Instance | BindingFlags.Public, declared);
- AddMembers (mt, BindingFlags.Instance | BindingFlags.NonPublic, declared);
+ handle = new TypeHandle (t);
+ type_hash.Add (t, handle);
+ return handle;
}
- void AddMembers (MemberTypes mt, BindingFlags bf, bool declared)
- {
- MemberList members = Container.GetMembers (mt, bf, declared);
- BindingFlags new_bf = declared ? bf | BindingFlags.DeclaredOnly : bf;
-
- foreach (MemberInfo member in members) {
- string name = member.Name;
+ /// <summary>
+ /// Returns the TypeHandle for TypeManager.object_type.
+ /// </summary>
+ public static IMemberContainer ObjectType {
+ get {
+ if (object_type != null)
+ return object_type;
- ArrayList list = (ArrayList) MemberHash [name];
- if (list == null) {
- list = new ArrayList ();
- MemberHash.Add (name, list);
- }
+ object_type = GetTypeHandle (TypeManager.object_type);
- list.Add (new CacheEntry (member, mt, new_bf));
+ return object_type;
}
}
- protected static EntryType GetEntryType (MemberTypes mt, BindingFlags bf)
- {
- EntryType type = EntryType.None;
-
- if ((mt & MemberTypes.Constructor) != 0)
- type |= EntryType.Constructor;
- if ((mt & MemberTypes.Event) != 0)
- type |= EntryType.Event;
- if ((mt & MemberTypes.Field) != 0)
- type |= EntryType.Field;
- if ((mt & MemberTypes.Method) != 0)
- type |= EntryType.Method;
- if ((mt & MemberTypes.Property) != 0)
- type |= EntryType.Property;
- if ((mt & MemberTypes.NestedType) != 0)
- type |= EntryType.NestedType;
-
- if ((bf & BindingFlags.Instance) != 0)
- type |= EntryType.Instance;
- if ((bf & BindingFlags.Static) != 0)
- type |= EntryType.Static;
- if ((bf & BindingFlags.Public) != 0)
- type |= EntryType.Public;
- if ((bf & BindingFlags.NonPublic) != 0)
- type |= EntryType.NonPublic;
- if ((bf & BindingFlags.DeclaredOnly) != 0)
- type |= EntryType.Declared;
-
- return type;
- }
-
- public static bool IsSingleMemberType (MemberTypes mt)
- {
- switch (mt) {
- case MemberTypes.Constructor:
- case MemberTypes.Event:
- case MemberTypes.Field:
- case MemberTypes.Method:
- case MemberTypes.Property:
- case MemberTypes.NestedType:
- return true;
+ /// <summary>
+ /// Returns the TypeHandle for TypeManager.array_type.
+ /// </summary>
+ public static IMemberContainer ArrayType {
+ get {
+ if (array_type != null)
+ return array_type;
- default:
- return false;
+ array_type = GetTypeHandle (TypeManager.array_type);
+
+ return array_type;
}
}
- [Flags]
- protected enum EntryType {
- None = 0x000,
-
- Instance = 0x001,
- Static = 0x002,
- MaskStatic = Instance|Static,
+ private static PtrHashtable type_hash = new PtrHashtable ();
- Public = 0x004,
- NonPublic = 0x008,
- MaskProtection = Public|NonPublic,
+ private static TypeHandle object_type = null;
+ private static TypeHandle array_type = null;
- Declared = 0x010,
+ private Type type;
+ private bool is_interface;
+ private MemberCache member_cache;
- Constructor = 0x020,
- Event = 0x040,
- Field = 0x080,
- Method = 0x100,
- Property = 0x200,
- NestedType = 0x400,
-
- MaskType = Constructor|Event|Field|Method|Property|NestedType
+ private TypeHandle (Type type)
+ {
+ this.type = type;
+ if (type.BaseType != null)
+ BaseType = GetTypeHandle (type.BaseType);
+ else if ((type != TypeManager.object_type) && (type != typeof (object)))
+ is_interface = true;
+ this.member_cache = new MemberCache (this);
}
- protected struct CacheEntry {
- public EntryType EntryType;
- public MemberInfo Member;
+ // IMemberContainer methods
- public CacheEntry (MemberInfo member, MemberTypes mt, BindingFlags bf)
- {
- this.Member = member;
- this.EntryType = GetEntryType (mt, bf);
+ public string Name {
+ get {
+ return type.FullName;
}
}
- protected void SearchMembers (ArrayList list, MemberTypes mt, BindingFlags bf, IList applicable,
- MemberFilter filter, object criteria)
- {
- bool declared_only = (bf & BindingFlags.DeclaredOnly) != 0;
- EntryType type = GetEntryType (mt, bf);
-
- foreach (CacheEntry entry in applicable) {
- if (declared_only && ((entry.EntryType & EntryType.Declared) == 0))
- continue;
-
- if ((entry.EntryType & type & EntryType.MaskType) == 0)
- continue;
-
- if ((entry.EntryType & type & EntryType.MaskStatic) == 0)
- continue;
-
- if (filter (entry.Member, criteria))
- list.Add (entry.Member);
+ public Type Type {
+ get {
+ return type;
}
}
- public MemberList FindMembers (MemberTypes mt, BindingFlags bf, string name,
- MemberFilter filter, object criteria)
- {
- IList applicable = (IList) MemberHash [name];
- if (applicable == null)
- return MemberList.Empty;
-
- ArrayList list = new ArrayList ();
-
- if ((bf & BindingFlags.Static) != 0) {
- SearchMembers (list, mt, bf & ~BindingFlags.Instance, applicable,
- filter, criteria);
-
- if (list.Count == 1){
- MemberInfo one = (MemberInfo) list [0];
-
- //
- // If any of these are present, we are done!
- //
- if ((one is Type) || (one is EventInfo) || (one is FieldInfo))
- return new MemberList (list);
- }
- }
-
- if ((bf & BindingFlags.Instance) != 0)
- SearchMembers (list, mt, bf & ~BindingFlags.Static, applicable,
- filter, criteria);
-
- return new MemberList (list);
+ public IMemberContainer Parent {
+ get {
+ return BaseType;
+ }
}
-}
-public class TypeHandle : IMemberContainer {
- public readonly Type Type;
- public readonly Type BaseType;
- public readonly MemberCache MemberCache;
-
- public TypeHandle (Type t)
- {
- this.Type = t;
- this.BaseType = t.BaseType;
- this.MemberCache = new MemberCache (this);
+ public bool IsInterface {
+ get {
+ return is_interface;
+ }
}
- public MemberList GetMembers (MemberTypes mt, BindingFlags bf, bool declared)
+ public MemberList GetMembers (MemberTypes mt, BindingFlags bf)
{
- if (declared)
- return new MemberList (Type.FindMembers (
- mt, bf | BindingFlags.DeclaredOnly, null, null));
-
- if (BaseType == null)
- return MemberList.Empty;
-
- return new MemberList (BaseType.FindMembers (mt, bf, null, null));
+ if (mt == MemberTypes.Event)
+ return new MemberList (type.GetEvents (bf | BindingFlags.DeclaredOnly));
+ else
+ return new MemberList (type.FindMembers (mt, bf | BindingFlags.DeclaredOnly,
+ null, null));
}
- public MemberList FindMembers (MemberTypes mt, BindingFlags bf,
- MemberFilter filter, object criteria)
- {
- throw new NotSupportedException ();
- }
+ // IMemberFinder methods
public MemberList FindMembers (MemberTypes mt, BindingFlags bf, string name,
MemberFilter filter, object criteria)
{
- MemberList list;
+ return member_cache.FindMembers (mt, bf, name, filter, criteria);
+ }
- Timer.StartTimer (TimerType.CachedLookup);
- list = MemberCache.FindMembers (mt, bf, name, filter, criteria);
- Timer.StopTimer (TimerType.CachedLookup);
+ public MemberCache MemberCache {
+ get {
+ return member_cache;
+ }
+ }
- return list;
+ public override string ToString ()
+ {
+ if (BaseType != null)
+ return "TypeHandle (" + id + "," + Name + " : " + BaseType + ")";
+ else
+ return "TypeHandle (" + id + "," + Name + ")";
}
}
projects / mono.git / blobdiff