//
// Author:
// Miguel de Icaza (miguel@ximian.com)
+// Marek Safar (marek.safar@gmail.com)
//
// Copyright 2001 Ximian, Inc (http://www.ximian.com)
-// Copyright 2003-2008 Novell, Inc
+// Copyright 2003-2009 Novell, Inc
//
using System;
using System.IO;
using System.Text;
using System.Reflection;
-using System.Collections;
using System.Reflection.Emit;
using System.Globalization;
+using System.Collections.Generic;
namespace Mono.CSharp {
- class PtrHashtable : Hashtable {
- sealed class PtrComparer : IComparer
-#if NET_2_0
- , IEqualityComparer
-#endif
- {
- private PtrComparer () {}
-
- public static PtrComparer Instance = new PtrComparer ();
-
- public int Compare (object x, object y)
- {
- if (x == y)
- return 0;
- else
- return 1;
- }
-#if NET_2_0
- bool IEqualityComparer.Equals (object x, object y)
- {
- return x == y;
- }
-
- int IEqualityComparer.GetHashCode (object obj)
- {
- return obj.GetHashCode ();
- }
-#endif
-
- }
+ class ReferenceEquality<T> : IEqualityComparer<T> where T : class
+ {
+ public static readonly IEqualityComparer<T> Default = new ReferenceEquality<T> ();
-#if NET_2_0
- public PtrHashtable () : base (PtrComparer.Instance) {}
-#else
- public PtrHashtable ()
+ private ReferenceEquality ()
{
- comparer = PtrComparer.Instance;
}
-#endif
-#if MS_COMPATIBLE
- //
- // Workaround System.InvalidOperationException for enums
- //
- protected override int GetHash (object key)
+ public bool Equals (T x, T y)
{
- TypeBuilder tb = key as TypeBuilder;
- if (tb != null && tb.BaseType == TypeManager.enum_type && tb.BaseType != null)
- key = tb.BaseType;
-
- return base.GetHash (key);
+ return object.ReferenceEquals (x, y);
}
-#endif
- }
-
- /*
- * Hashtable whose keys are character arrays with the same length
- */
- class CharArrayHashtable : Hashtable {
- sealed class ArrComparer : IComparer {
- private int len;
-
- public ArrComparer (int len) {
- this.len = len;
- }
-
- public int Compare (object x, object y)
- {
- char[] a = (char[])x;
- char[] b = (char[])y;
- for (int i = 0; i < len; ++i)
- if (a [i] != b [i])
- return 1;
- return 0;
- }
- }
-
- private int len;
-
- protected override int GetHash (Object key)
+ public int GetHashCode (T obj)
{
- char[] arr = (char[])key;
- int h = 0;
-
- for (int i = 0; i < len; ++i)
- h = (h << 5) - h + arr [i];
-
- return h;
- }
-
- public CharArrayHashtable (int len)
- {
- this.len = len;
- comparer = new ArrComparer (len);
+ return obj == null ? 0 : obj.GetHashCode ();
}
}
- struct Pair {
- public object First;
- public object Second;
-
- public Pair (object f, object s)
+ class Tuple<T1, T2>
+ {
+ public Tuple (T1 item1, T2 item2)
{
- First = f;
- Second = s;
+ Item1 = item1;
+ Item2 = item2;
}
+
+ public T1 Item1 { get; private set; }
+ public T2 Item2 { get; private set; }
}
public class Accessors {
/// but if the seek is too far, it may read the underly
/// stream all over from the beginning.
/// </summary>
- public class SeekableStreamReader
+ public class SeekableStreamReader : IDisposable
{
- const int default_average_read_length = 1024;
const int buffer_read_length_spans = 3;
TextReader reader;
Stream stream;
- Encoding encoding;
- char[] buffer;
+ static char[] buffer;
int average_read_length;
int buffer_start; // in chars
int char_count; // count buffer[] valid characters
int pos; // index into buffer[]
- void ResetStream (int read_length_inc)
+ public SeekableStreamReader (Stream stream, Encoding encoding)
{
- average_read_length += read_length_inc;
- stream.Position = 0;
+ this.stream = stream;
+
+ const int default_average_read_length = 1024;
+ InitializeStream (default_average_read_length);
reader = new StreamReader (stream, encoding, true);
- buffer = new char [average_read_length * buffer_read_length_spans];
- buffer_start = char_count = pos = 0;
}
- public SeekableStreamReader (Stream stream, Encoding encoding)
+ public void Dispose ()
{
- this.stream = stream;
- this.encoding = encoding;
+ // Needed to release stream reader buffers
+ reader.Dispose ();
+ }
+
+ void InitializeStream (int read_length_inc)
+ {
+ average_read_length += read_length_inc;
+
+ int required_buffer_size = average_read_length * buffer_read_length_spans;
+ if (buffer == null || buffer.Length < required_buffer_size)
+ buffer = new char [required_buffer_size];
- ResetStream (default_average_read_length);
+ stream.Position = 0;
+ buffer_start = char_count = pos = 0;
}
/// <remarks>
set {
// If the lookahead was too small, re-read from the beginning. Increase the buffer size while we're at it
if (value < buffer_start)
- ResetStream (average_read_length / 2);
+ InitializeStream (average_read_length / 2);
while (value > buffer_start + char_count) {
pos = char_count;
}
}
+#if NET_4_0 || MS_COMPATIBLE
+ [System.Diagnostics.DebuggerDisplay ("Dynamic type")]
+#endif
class DynamicType : Type
{
public override Assembly Assembly {
- get { throw new NotImplementedException (); }
+ get { return CodeGen.Assembly.Builder; }
}
public override string AssemblyQualifiedName {
public override Type[] GetInterfaces ()
{
- throw new NotImplementedException ();
+ return Type.EmptyTypes;
}
public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
protected override bool HasElementTypeImpl ()
{
- throw new NotImplementedException ();
+ return false;
}
public override object InvokeMember (string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, System.Globalization.CultureInfo culture, string[] namedParameters)
}
public override string Namespace {
- get { throw new NotImplementedException (); }
+ get { return UnderlyingSystemType.Namespace; }
}
public override Type UnderlyingSystemType {
public override string ToString ()
{
- return GetType ().ToString ();
+ return UnderlyingSystemType.ToString ();
+ }
+
+ public override RuntimeTypeHandle TypeHandle {
+ get { return UnderlyingSystemType.TypeHandle; }
+ }
+
+ public override Type MakeByRefType ()
+ {
+ // TODO: Wrong, hides dynamic type
+ return UnderlyingSystemType.MakeByRefType ();
+ }
+ }
+
+#if NET_4_0 || MS_COMPATIBLE
+ [System.Diagnostics.DebuggerDisplay ("Dynamic array type")]
+#endif
+ class DynamicArrayType : Type
+ {
+ readonly int rank;
+ Type reflection_type;
+
+ public DynamicArrayType (int rank)
+ {
+ this.rank = rank;
+ }
+
+ public override Assembly Assembly {
+ get { return UnderlyingSystemType.Assembly; }
+ }
+
+ public override string AssemblyQualifiedName {
+ get { throw new NotImplementedException (); }
+ }
+
+ public override Type BaseType {
+ get { return TypeManager.array_type; }
+ }
+
+ public override string FullName {
+ get { return UnderlyingSystemType.FullName; }
+ }
+
+ public override Guid GUID {
+ get { throw new NotImplementedException (); }
+ }
+
+ protected override TypeAttributes GetAttributeFlagsImpl ()
+ {
+ return UnderlyingSystemType.Attributes;
+ }
+
+ public override int GetArrayRank ()
+ {
+ return rank;
+ }
+
+ protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override Type GetElementType ()
+ {
+ return InternalType.Dynamic;
+ }
+
+ public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override EventInfo[] GetEvents (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override FieldInfo GetField (string name, BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override FieldInfo[] GetFields (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override Type GetInterface (string name, bool ignoreCase)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override Type[] GetInterfaces ()
+ {
+ return Type.EmptyTypes;
+ }
+
+ public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override Type GetNestedType (string name, BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override Type[] GetNestedTypes (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
+
+ protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
+ }
+
+ protected override bool HasElementTypeImpl ()
+ {
+ return true;
+ }
+
+ public override object InvokeMember (string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, System.Globalization.CultureInfo culture, string[] namedParameters)
+ {
+ throw new NotImplementedException ();
+ }
+
+ protected override bool IsArrayImpl ()
+ {
+ return true;
+ }
+
+ protected override bool IsByRefImpl ()
+ {
+ return false;
+ }
+
+ protected override bool IsCOMObjectImpl ()
+ {
+ return false;
+ }
+
+ protected override bool IsPointerImpl ()
+ {
+ return false;
+ }
+
+ protected override bool IsPrimitiveImpl ()
+ {
+ return false;
+ }
+
+ public override Module Module {
+ get { return UnderlyingSystemType.Module; }
+ }
+
+ public override string Namespace {
+ get { return UnderlyingSystemType.Namespace; }
+ }
+
+ public override Type UnderlyingSystemType {
+ get {
+ if (reflection_type == null) {
+ reflection_type = rank == 1 ?
+ TypeManager.object_type.MakeArrayType () :
+ TypeManager.object_type.MakeArrayType (rank);
+ }
+
+ return reflection_type;
+ }
+ }
+
+ public override object[] GetCustomAttributes (Type attributeType, bool inherit)
+ {
+ return new object [0];
+ }
+
+ public override object[] GetCustomAttributes (bool inherit)
+ {
+ return new object [0];
+ }
+
+ public override bool IsDefined (Type attributeType, bool inherit)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override string Name {
+ get { return UnderlyingSystemType.Name; }
+ }
+
+ public override string ToString ()
+ {
+ return UnderlyingSystemType.ToString ();
}
public override RuntimeTypeHandle TypeHandle {