// Author:
// Miguel de Icaza (miguel@ximian.com)
//
-// (C) 2001 Ximian, Inc (http://www.ximian.com)
+// Copyright 2001 Ximian, Inc (http://www.ximian.com)
+// Copyright 2003-2008 Novell, Inc
//
using System;
namespace Mono.CSharp {
- public interface ParameterData {
- Type ParameterType (int pos);
- Type [] Types { get; }
- int Count { get; }
- bool HasParams { get; }
- string ParameterName (int pos);
- string ParameterDesc (int pos);
- Parameter.Modifier ParameterModifier (int pos);
- string GetSignatureForError ();
- }
-
- public class ReflectionParameters : ParameterData {
- ParameterInfo [] pi;
- Type [] types;
- int params_idx = -1;
- bool is_varargs;
- ParameterData gpd;
-
- public ReflectionParameters (MethodBase mb)
- {
- ParameterInfo [] pi = mb.GetParameters ();
- is_varargs = (mb.CallingConvention & CallingConventions.VarArgs) != 0;
-
- this.pi = pi;
- int count = pi.Length;
-
- if (count == 0) {
- types = Type.EmptyTypes;
- return;
- }
-
- types = new Type [count];
- for (int i = 0; i < count; i++)
- types [i] = pi [i].ParameterType;
-
- // TODO: This (if) should be done one level higher to correctly use
- // out caching facilities.
- MethodBase generic = TypeManager.DropGenericMethodArguments (mb);
- if (generic != mb) {
- gpd = TypeManager.GetParameterData (generic);
- if (gpd.HasParams) {
- for (int i = gpd.Count; i != 0; --i) {
- if ((gpd.ParameterModifier (i-1) & Parameter.Modifier.PARAMS) != 0) {
- this.params_idx = i-1;
- break;
- }
- }
- }
- return;
- }
-
- //
- // So far, the params attribute can be used in C# for the last
- // and next to last method parameters.
- // If some other language can place it anywhere we will
- // have to analyze all parameters and not just last 2.
- //
- --count;
- for (int i = count; i >= 0 && i > count - 2; --i) {
- if (!pi [i].ParameterType.IsArray)
- continue;
-
- if (pi [i].IsDefined (TypeManager.param_array_type, false)) {
- params_idx = i;
- return;
- }
- }
- }
-
- public override bool Equals (object obj)
- {
- ReflectionParameters rp = obj as ReflectionParameters;
- if (rp == null)
- return false;
-
- if (Count != rp.Count)
- return false;
-
- for (int i = 0; i < Count; ++i) {
- if (!types [i].Equals (rp.types [i]))
- return false;
- }
- return true;
- }
-
- public override int GetHashCode ()
- {
- return base.GetHashCode ();
- }
-
- public string GetSignatureForError ()
- {
- StringBuilder sb = new StringBuilder ("(");
- for (int i = 0; i < pi.Length; ++i) {
- if (i != 0)
- sb.Append (", ");
- sb.Append (ParameterDesc (i));
- }
- if (is_varargs) {
- if (pi.Length > 0)
- sb.Append (", ");
- sb.Append ("__arglist");
- }
- sb.Append (')');
- return sb.ToString ();
- }
-
- public Type ParameterType (int pos)
- {
- if (is_varargs && pos >= pi.Length)
- return TypeManager.runtime_argument_handle_type;
-
- return pi [pos].ParameterType;
- }
-
- public string ParameterName (int pos)
- {
- if (gpd != null)
- return gpd.ParameterName (pos);
-
- if (is_varargs && pos >= pi.Length)
- return "__arglist";
-
- return pi [pos].Name;
- }
-
- public string ParameterDesc (int pos)
- {
- if (is_varargs && pos >= pi.Length)
- return "";
-
- StringBuilder sb = new StringBuilder ();
-
- if (pi [pos].IsIn)
- sb.Append ("in ");
-
- Type partype = ParameterType (pos);
- if (partype.IsByRef){
- partype = TypeManager.GetElementType (partype);
- if (pi [pos].IsOut)
- sb.Append ("out ");
- else
- sb.Append ("ref ");
- }
-
- if (params_idx == pos)
- sb.Append ("params ");
-
- sb.Append (TypeManager.CSharpName (partype).Replace ("&", ""));
-
- return sb.ToString ();
- }
-
- public Parameter.Modifier ParameterModifier (int pos)
- {
- if (pos == params_idx)
- return Parameter.Modifier.PARAMS;
- else if (is_varargs && pos >= pi.Length)
- return Parameter.Modifier.ARGLIST;
-
- if (gpd != null)
- return gpd.ParameterModifier (pos);
-
- Type t = pi [pos].ParameterType;
- if (t.IsByRef){
- if ((pi [pos].Attributes & (ParameterAttributes.Out|ParameterAttributes.In)) == ParameterAttributes.Out)
- return Parameter.Modifier.OUT;
- else
- return Parameter.Modifier.REF;
- }
-
- return Parameter.Modifier.NONE;
- }
-
- public int Count {
- get { return is_varargs ? pi.Length + 1 : pi.Length; }
- }
-
- public bool HasParams {
- get { return params_idx != -1; }
- }
-
- public Type[] Types {
- get { return types; }
- }
- }
-
#if GMCS_SOURCE
public class ReflectionConstraints : GenericConstraints
{
#endif
class PtrHashtable : Hashtable {
- sealed class PtrComparer : IComparer {
+ sealed class PtrComparer : IComparer
+#if NET_2_0
+ , IEqualityComparer
+#endif
+ {
private PtrComparer () {}
public static PtrComparer Instance = new PtrComparer ();
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
+
}
- public PtrHashtable ()
+#if NET_2_0
+ public PtrHashtable () : base (PtrComparer.Instance) {}
+#else
+ public PtrHashtable ()
{
comparer = PtrComparer.Instance;
}
+#endif
+
+#if MS_COMPATIBLE
+ //
+ // Workaround System.InvalidOperationException for enums
+ //
+ protected override int GetHash (object key)
+ {
+ TypeBuilder tb = key as TypeBuilder;
+ if (tb != null && tb.BaseType == TypeManager.enum_type)
+ key = tb.BaseType;
+
+ return base.GetHash (key);
+ }
+#endif
}
/*
/// </summary>
public class SeekableStreamReader
{
- public SeekableStreamReader (TextReader reader)
- {
- this.reader = reader;
- this.buffer = new char [AverageReadLength * 3];
-
- // Let the StreamWriter autodetect the encoder
- reader.Peek ();
- }
-
- public SeekableStreamReader (Stream stream, Encoding encoding)
- : this (new StreamReader (stream, encoding, true))
- { }
-
+ const int AverageReadLength = 1024;
TextReader reader;
-
- private const int AverageReadLength = 1024;
+ Stream stream;
+ Encoding encoding;
char[] buffer;
int buffer_start; // in chars
int char_count; // count buffer[] valid characters
int pos; // index into buffer[]
+ public SeekableStreamReader (Stream stream, Encoding encoding)
+ {
+ this.stream = stream;
+ this.encoding = encoding;
+
+ this.reader = new StreamReader (stream, encoding, true);
+ this.buffer = new char [AverageReadLength * 3];
+
+ // Let the StreamWriter autodetect the encoder
+ reader.Peek ();
+ }
+
/// <remarks>
/// This value corresponds to the current position in a stream of characters.
/// The StreamReader hides its manipulation of the underlying byte stream and all
get { return buffer_start + pos; }
set {
- if (value < buffer_start || value > buffer_start + char_count)
- throw new InternalErrorException ("can't seek that far back: " + (pos - value));
+ if (value > buffer_start + char_count)
+ throw new InternalErrorException ("can't seek that far forward: " + (pos - value));
+
+ if (value < buffer_start){
+ // Reinitialize.
+ stream.Position = 0;
+ reader = new StreamReader (stream, encoding, true);
+ buffer_start = 0;
+ char_count = 0;
+ pos = 0;
+ Peek ();
+
+ while (value > buffer_start + char_count){
+ pos = char_count+1;
+ Peek ();
+ }
+ pos = value - buffer_start;
+ }
+
pos = value - buffer_start;
}
}
}
}
}
+
+ class PartialMethodDefinitionInfo : MethodInfo
+ {
+ MethodOrOperator mc;
+ MethodAttributes attrs;
+
+ public PartialMethodDefinitionInfo (MethodOrOperator mc)
+ {
+ this.mc = mc;
+ if ((mc.ModFlags & Modifiers.STATIC) != 0)
+ attrs = MethodAttributes.Static;
+ }
+
+ public override MethodInfo GetBaseDefinition ()
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override ICustomAttributeProvider ReturnTypeCustomAttributes
+ {
+ get { throw new NotImplementedException (); }
+ }
+
+ public override MethodAttributes Attributes
+ {
+ get { return attrs; }
+ }
+
+ public override MethodImplAttributes GetMethodImplementationFlags ()
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override ParameterInfo [] GetParameters ()
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override object Invoke (object obj, BindingFlags invokeAttr, Binder binder, object [] parameters, CultureInfo culture)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override RuntimeMethodHandle MethodHandle
+ {
+ get { throw new NotImplementedException (); }
+ }
+
+ public override Type DeclaringType
+ {
+ get { return mc.Parent.TypeBuilder; }
+ }
+
+ public override object [] GetCustomAttributes (Type attributeType, bool inherit)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override object [] GetCustomAttributes (bool inherit)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override Type ReturnType {
+ get {
+ return mc.MemberType;
+ }
+ }
+
+ public override bool IsDefined (Type attributeType, bool inherit)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override string Name
+ {
+ get { return mc.Name; }
+ }
+
+ public override Type ReflectedType
+ {
+ get { throw new NotImplementedException (); }
+ }
+ }
+
+ public class UnixUtils {
+ [System.Runtime.InteropServices.DllImport ("libc", EntryPoint="isatty")]
+ extern static int _isatty (int fd);
+
+ public static bool isatty (int fd)
+ {
+ try {
+ return _isatty (fd) == 1;
+ } catch {
+ return false;
+ }
+ }
+ }
}
projects / mono.git / blobdiff