//
// Author:
// Miguel de Icaza (miguel@ximian.com)
+// Marek Safar (marek.safar@gmail.com)
//
-// (C) 2001 Ximian, Inc (http://www.ximian.com)
+// Copyright 2001 Ximian, Inc (http://www.ximian.com)
+// 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 {
- public interface ParameterData {
- Type ParameterType (int pos);
- Type [] Types { get; }
- int Count { get; }
- Type ExtensionMethodType { get; }
- bool HasParams { get; }
- string ParameterName (int pos);
- string ParameterDesc (int pos);
+ class ReferenceEquality<T> : IEqualityComparer<T> where T : class
+ {
+ public static readonly IEqualityComparer<T> Default = new ReferenceEquality<T> ();
- Parameter.Modifier ParameterModifier (int pos);
- string GetSignatureForError ();
+ private ReferenceEquality ()
+ {
+ }
-#if MS_COMPATIBLE
- void InflateTypes (Type[] genArguments, Type[] argTypes);
-#endif
+ public bool Equals (T x, T y)
+ {
+ return object.ReferenceEquals (x, y);
+ }
+
+ public int GetHashCode (T obj)
+ {
+ return obj == null ? 0 : obj.GetHashCode ();
+ }
}
- public class ReflectionParameters : ParameterData {
- ParameterInfo [] pi;
- Type [] types;
- int params_idx = -1;
- bool is_varargs;
- bool is_extension;
- ParameterData gpd;
+ class Tuple<T1, T2>
+ {
+ public Tuple (T1 item1, T2 item2)
+ {
+ Item1 = item1;
+ Item2 = item2;
+ }
- public ReflectionParameters (MethodBase mb)
+ public T1 Item1 { get; private set; }
+ public T2 Item2 { get; private set; }
+ }
+
+ public class Accessors {
+ public Accessor get_or_add;
+ public Accessor set_or_remove;
+
+ // was 'set' declared before 'get'? was 'remove' declared before 'add'?
+ public bool declared_in_reverse;
+
+ public Accessors (Accessor get_or_add, Accessor set_or_remove)
{
- ParameterInfo [] pi = mb.GetParameters ();
- is_varargs = (mb.CallingConvention & CallingConventions.VarArgs) != 0;
+ this.get_or_add = get_or_add;
+ this.set_or_remove = set_or_remove;
+ }
+ }
- this.pi = pi;
- int count = pi.Length;
+ /// <summary>
+ /// This is an arbitrarily seekable StreamReader wrapper.
+ ///
+ /// It uses a self-tuning buffer to cache the seekable data,
+ /// but if the seek is too far, it may read the underly
+ /// stream all over from the beginning.
+ /// </summary>
+ public class SeekableStreamReader : IDisposable
+ {
+ const int buffer_read_length_spans = 3;
- if (count == 0) {
- types = Type.EmptyTypes;
- return;
- }
+ TextReader reader;
+ Stream stream;
- 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;
- }
- }
+ static char[] buffer;
+ int average_read_length;
+ 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;
+
+ const int default_average_read_length = 1024;
+ InitializeStream (default_average_read_length);
+ reader = new StreamReader (stream, encoding, true);
+ }
+
+ public void Dispose ()
+ {
+ // 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];
+
+ stream.Position = 0;
+ buffer_start = char_count = pos = 0;
+ }
+
+ /// <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
+ /// character set/decoding issues. Thus, we cannot use this position to guess at
+ /// the corresponding position in the underlying byte stream even though there is
+ /// a correlation between them.
+ /// </remarks>
+ public int Position {
+ get { return buffer_start + pos; }
+
+ 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)
+ InitializeStream (average_read_length / 2);
+
+ while (value > buffer_start + char_count) {
+ pos = char_count;
+ if (!ReadBuffer ())
+ throw new InternalErrorException ("Seek beyond end of file: " + (buffer_start + char_count - value));
}
- return;
+
+ pos = value - buffer_start;
}
+ }
- //
- // 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;
- }
+ private bool ReadBuffer ()
+ {
+ int slack = buffer.Length - char_count;
+ if (slack <= average_read_length / 2) {
+ // shift the buffer to make room for average_read_length number of characters
+ int shift = average_read_length - slack;
+ Array.Copy (buffer, shift, buffer, 0, char_count - shift);
+ pos -= shift;
+ char_count -= shift;
+ buffer_start += shift;
+ slack += shift; // slack == average_read_length
}
- if (TypeManager.extension_attribute_type != null && mb.IsStatic &&
- (mb.DeclaringType.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute &&
- mb.IsDefined (TypeManager.extension_attribute_type, false))
- is_extension = true;
+ char_count += reader.Read (buffer, char_count, slack);
+
+ return pos < char_count;
}
- public override bool Equals (object obj)
+ public int Peek ()
{
- ReflectionParameters rp = obj as ReflectionParameters;
- if (rp == null)
- return false;
-
- if (Count != rp.Count)
- return false;
+ if ((pos >= char_count) && !ReadBuffer ())
+ return -1;
- for (int i = 0; i < Count; ++i) {
- if (!types [i].Equals (rp.types [i]))
- return false;
- }
- return true;
+ return buffer [pos];
}
- public override int GetHashCode ()
+ public int Read ()
{
- return base.GetHashCode ();
+ if ((pos >= char_count) && !ReadBuffer ())
+ return -1;
+
+ return buffer [pos++];
}
+ }
+
+ public class DoubleHash {
+ const int DEFAULT_INITIAL_BUCKETS = 100;
+
+ public DoubleHash () : this (DEFAULT_INITIAL_BUCKETS) {}
- public string GetSignatureForError ()
+ public DoubleHash (int size)
{
- 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");
+ count = size;
+ buckets = new Entry [size];
+ }
+
+ int count;
+ Entry [] buckets;
+ int size = 0;
+
+ class Entry {
+ public object key1;
+ public object key2;
+ public int hash;
+ public object value;
+ public Entry next;
+
+ public Entry (object key1, object key2, int hash, object value, Entry next)
+ {
+ this.key1 = key1;
+ this.key2 = key2;
+ this.hash = hash;
+ this.next = next;
+ this.value = value;
}
- sb.Append (')');
- return sb.ToString ();
}
-#if MS_COMPATIBLE
- public void InflateTypes (Type[] genArguments, Type[] argTypes)
+ public bool Lookup (object a, object b, out object res)
{
- for (int i = 0; i < types.Length; ++i) {
- if (types[i].IsGenericParameter) {
- for (int ii = 0; ii < genArguments.Length; ++ii) {
- if (types[i] != genArguments[ii])
- continue;
+ int h = (a.GetHashCode () ^ b.GetHashCode ()) & 0x7FFFFFFF;
- types[i] = argTypes[ii];
- break;
- }
- continue;
+ for (Entry e = buckets [h % count]; e != null; e = e.next) {
+ if (e.hash == h && e.key1.Equals (a) && e.key2.Equals (b)) {
+ res = e.value;
+ return true;
}
+ }
+ res = null;
+ return false;
+ }
- if (types[i].IsGenericType) {
- Type[] gen_arguments = types[i].GetGenericTypeDefinition ().GetGenericArguments ();
- for (int ii = 0; ii < gen_arguments.Length; ++ii) {
- gen_arguments[ii] = argTypes[gen_arguments[ii].GenericParameterPosition];
- }
+ public void Insert (object a, object b, object value)
+ {
+ // Is it an existing one?
+
+ int h = (a.GetHashCode () ^ b.GetHashCode ()) & 0x7FFFFFFF;
+
+ for (Entry e = buckets [h % count]; e != null; e = e.next) {
+ if (e.hash == h && e.key1.Equals (a) && e.key2.Equals (b))
+ e.value = value;
+ }
+
+ int bucket = h % count;
+ buckets [bucket] = new Entry (a, b, h, value, buckets [bucket]);
- types[i] = types[i].GetGenericTypeDefinition ().MakeGenericType (gen_arguments);
+ // Grow whenever we double in size
+ if (size++ == count) {
+ count <<= 1;
+ count ++;
+
+ Entry [] newBuckets = new Entry [count];
+ foreach (Entry root in buckets) {
+ Entry e = root;
+ while (e != null) {
+ int newLoc = e.hash % count;
+ Entry n = e.next;
+ e.next = newBuckets [newLoc];
+ newBuckets [newLoc] = e;
+ e = n;
+ }
}
+
+ buckets = newBuckets;
}
}
-#endif
+ }
+
+ class PartialMethodDefinitionInfo : MethodInfo
+ {
+ MethodOrOperator mc;
+ MethodAttributes attrs;
- public Type ParameterType (int pos)
+ public PartialMethodDefinitionInfo (MethodOrOperator mc)
{
- if (is_varargs && pos >= pi.Length)
- return TypeManager.runtime_argument_handle_type;
+ this.mc = mc;
+ if ((mc.ModFlags & Modifiers.STATIC) != 0)
+ attrs = MethodAttributes.Static;
+ }
- return types [pos];
+ public override MethodInfo GetBaseDefinition ()
+ {
+ throw new NotImplementedException ();
}
- public string ParameterName (int pos)
+ public override ICustomAttributeProvider ReturnTypeCustomAttributes
{
- if (gpd != null)
- return gpd.ParameterName (pos);
+ get { throw new NotImplementedException (); }
+ }
- if (is_varargs && pos >= pi.Length)
- return "__arglist";
+ public override MethodAttributes Attributes
+ {
+ get { return attrs; }
+ }
- return pi [pos].Name;
+ public override MethodImplAttributes GetMethodImplementationFlags ()
+ {
+ throw new NotImplementedException ();
}
- public string ParameterDesc (int pos)
+ public override ParameterInfo [] GetParameters ()
{
- if (is_varargs && pos >= pi.Length)
- return "";
+ throw new NotImplementedException ();
+ }
- StringBuilder sb = new StringBuilder ();
+ public override object Invoke (object obj, BindingFlags invokeAttr, Binder binder, object [] parameters, CultureInfo culture)
+ {
+ throw new NotImplementedException ();
+ }
- if (pi [pos].IsIn)
- sb.Append ("in ");
+ public override RuntimeMethodHandle MethodHandle
+ {
+ get { throw new NotImplementedException (); }
+ }
- Type partype = ParameterType (pos);
- if (partype.IsByRef){
- partype = TypeManager.GetElementType (partype);
- if (pi [pos].IsOut)
- sb.Append ("out ");
- else
- sb.Append ("ref ");
- }
+ public override Type DeclaringType
+ {
+ get { return mc.Parent.TypeBuilder; }
+ }
- if (params_idx == pos)
- sb.Append ("params ");
+ public override object [] GetCustomAttributes (Type attributeType, bool inherit)
+ {
+ throw new NotImplementedException ();
+ }
- if (ExtensionMethodType != null)
- sb.Append ("this ");
+ public override object [] GetCustomAttributes (bool inherit)
+ {
+ throw new NotImplementedException ();
+ }
- sb.Append (TypeManager.CSharpName (partype).Replace ("&", ""));
+ public override Type ReturnType {
+ get {
+ return mc.MemberType;
+ }
+ }
- return sb.ToString ();
+ public override bool IsDefined (Type attributeType, bool inherit)
+ {
+ throw new NotImplementedException ();
}
- public Parameter.Modifier ParameterModifier (int pos)
+ public override string Name
{
- if (pos == params_idx)
- return Parameter.Modifier.PARAMS;
- else if (is_varargs && pos >= pi.Length)
- return Parameter.Modifier.ARGLIST;
+ get { return mc.Name; }
+ }
- if (gpd != null)
- return gpd.ParameterModifier (pos);
+ public override Type ReflectedType
+ {
+ get { throw new NotImplementedException (); }
+ }
+ }
- Type t = types [pos];
- if (t.IsByRef){
- if ((pi [pos].Attributes & (ParameterAttributes.Out|ParameterAttributes.In)) == ParameterAttributes.Out)
- return Parameter.Modifier.OUT;
- else
- return Parameter.Modifier.REF;
- }
+#if NET_4_0 || MS_COMPATIBLE
+ [System.Diagnostics.DebuggerDisplay ("Dynamic type")]
+#endif
+ class DynamicType : Type
+ {
+ public override Assembly Assembly {
+ get { return CodeGen.Assembly.Builder; }
+ }
- return Parameter.Modifier.NONE;
+ public override string AssemblyQualifiedName {
+ get { throw new NotImplementedException (); }
}
- public int Count {
- get { return is_varargs ? pi.Length + 1 : pi.Length; }
+ public override Type BaseType {
+ get { return null; }
}
- public Type ExtensionMethodType {
- get {
- if (!is_extension)
- return null;
+ public override string FullName {
+ get { return UnderlyingSystemType.FullName; }
+ }
- return types [0];
- }
+ public override Guid GUID {
+ get { throw new NotImplementedException (); }
}
- public bool HasParams {
- get { return params_idx != -1; }
+ protected override TypeAttributes GetAttributeFlagsImpl ()
+ {
+ return UnderlyingSystemType.Attributes;
}
- public Type[] Types {
- get { return types; }
+ protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
}
- }
-#if GMCS_SOURCE
- public class ReflectionConstraints : GenericConstraints
- {
- GenericParameterAttributes attrs;
- Type base_type;
- Type class_constraint;
- Type[] iface_constraints;
- string name;
+ public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
- public static GenericConstraints GetConstraints (Type t)
+ public override Type GetElementType ()
{
- Type [] constraints = t.GetGenericParameterConstraints ();
- GenericParameterAttributes attrs = t.GenericParameterAttributes;
- if (constraints.Length == 0 && attrs == GenericParameterAttributes.None)
- return null;
- return new ReflectionConstraints (t.Name, constraints, attrs);
+ throw new NotImplementedException ();
}
- private ReflectionConstraints (string name, Type [] constraints, GenericParameterAttributes attrs)
+ public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
{
- this.name = name;
- this.attrs = attrs;
+ throw new NotImplementedException ();
+ }
- if ((constraints.Length > 0) && !constraints [0].IsInterface) {
- class_constraint = constraints [0];
- iface_constraints = new Type [constraints.Length - 1];
- Array.Copy (constraints, 1, iface_constraints, 0, constraints.Length - 1);
- } else
- iface_constraints = constraints;
+ public override EventInfo[] GetEvents (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
- if (HasValueTypeConstraint)
- base_type = TypeManager.value_type;
- else if (class_constraint != null)
- base_type = class_constraint;
- else
- base_type = TypeManager.object_type;
+ public override FieldInfo GetField (string name, BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- public override string TypeParameter {
- get { return name; }
+ public override FieldInfo[] GetFields (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- public override GenericParameterAttributes Attributes {
- get { return attrs; }
+ public override Type GetInterface (string name, bool ignoreCase)
+ {
+ throw new NotImplementedException ();
}
- public override Type ClassConstraint {
- get { return class_constraint; }
+ public override Type[] GetInterfaces ()
+ {
+ return Type.EmptyTypes;
}
- public override Type EffectiveBaseClass {
- get { return base_type; }
+ public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- public override Type[] InterfaceConstraints {
- get { return iface_constraints; }
+ protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
}
- }
-#endif
- class PtrHashtable : Hashtable {
- sealed class PtrComparer : IComparer {
- private PtrComparer () {}
+ public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
- public static PtrComparer Instance = new PtrComparer ();
+ public override Type GetNestedType (string name, BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
- public int Compare (object x, object y)
- {
- if (x == y)
- return 0;
- else
- return 1;
- }
+ public override Type[] GetNestedTypes (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- public PtrHashtable ()
+ public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
{
- comparer = PtrComparer.Instance;
+ throw new NotImplementedException ();
}
- }
- /*
- * Hashtable whose keys are character arrays with the same length
- */
- class CharArrayHashtable : Hashtable {
- sealed class ArrComparer : IComparer {
- private int len;
+ protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
+ }
- public ArrComparer (int len) {
- this.len = len;
- }
+ protected override bool HasElementTypeImpl ()
+ {
+ return false;
+ }
- public int Compare (object x, object y)
- {
- char[] a = (char[])x;
- char[] b = (char[])y;
+ 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 ();
+ }
- for (int i = 0; i < len; ++i)
- if (a [i] != b [i])
- return 1;
- return 0;
- }
+ protected override bool IsArrayImpl ()
+ {
+ return false;
}
- private int len;
+ protected override bool IsByRefImpl ()
+ {
+ return false;
+ }
- protected override int GetHash (Object key)
+ protected override bool IsCOMObjectImpl ()
{
- char[] arr = (char[])key;
- int h = 0;
+ return false;
+ }
- for (int i = 0; i < len; ++i)
- h = (h << 5) - h + arr [i];
+ 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; }
+ }
- return h;
+ public override Type UnderlyingSystemType {
+ get { return TypeManager.object_type; }
}
- public CharArrayHashtable (int len)
+ public override object[] GetCustomAttributes (Type attributeType, bool inherit)
{
- this.len = len;
- comparer = new ArrComparer (len);
+ return new object [0];
}
- }
- struct Pair {
- public object First;
- public object Second;
+ public override object[] GetCustomAttributes (bool inherit)
+ {
+ return new object [0];
+ }
- public Pair (object f, object s)
+ public override bool IsDefined (Type attributeType, bool inherit)
{
- First = f;
- Second = s;
+ throw new NotImplementedException ();
}
- }
- public class Accessors {
- public Accessor get_or_add;
- public Accessor set_or_remove;
+ public override string Name {
+ get { return UnderlyingSystemType.Name; }
+ }
- // was 'set' declared before 'get'? was 'remove' declared before 'add'?
- public bool declared_in_reverse;
+ public override string ToString ()
+ {
+ return UnderlyingSystemType.ToString ();
+ }
- public Accessors (Accessor get_or_add, Accessor set_or_remove)
+ public override RuntimeTypeHandle TypeHandle {
+ get { return UnderlyingSystemType.TypeHandle; }
+ }
+
+ public override Type MakeByRefType ()
{
- this.get_or_add = get_or_add;
- this.set_or_remove = set_or_remove;
+ // TODO: Wrong, hides dynamic type
+ return UnderlyingSystemType.MakeByRefType ();
}
}
- /// <summary>
- /// This is a wrapper around StreamReader which is seekable backwards
- /// within a window of around 2048 chars.
- /// </summary>
- public class SeekableStreamReader
+#if NET_4_0 || MS_COMPATIBLE
+ [System.Diagnostics.DebuggerDisplay ("Dynamic array type")]
+#endif
+ class DynamicArrayType : Type
{
- public SeekableStreamReader (TextReader reader)
+ readonly int rank;
+ Type reflection_type;
+
+ public DynamicArrayType (int rank)
{
- this.reader = reader;
- this.buffer = new char [AverageReadLength * 3];
+ this.rank = rank;
+ }
- // Let the StreamWriter autodetect the encoder
- reader.Peek ();
+ public override Assembly Assembly {
+ get { return UnderlyingSystemType.Assembly; }
}
- public SeekableStreamReader (Stream stream, Encoding encoding)
- : this (new StreamReader (stream, encoding, true))
- { }
+ public override string AssemblyQualifiedName {
+ get { throw new NotImplementedException (); }
+ }
- TextReader reader;
+ public override Type BaseType {
+ get { return TypeManager.array_type; }
+ }
- private const int AverageReadLength = 1024;
+ public override string FullName {
+ get { return UnderlyingSystemType.FullName; }
+ }
- char[] buffer;
- int buffer_start; // in chars
- int char_count; // count buffer[] valid characters
- int pos; // index into buffer[]
+ public override Guid GUID {
+ get { throw new NotImplementedException (); }
+ }
- /// <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
- /// character set/decoding issues. Thus, we cannot use this position to guess at
- /// the corresponding position in the underlying byte stream even though there is
- /// a correlation between them.
- /// </remarks>
- public int Position {
- get { return buffer_start + pos; }
+ protected override TypeAttributes GetAttributeFlagsImpl ()
+ {
+ return UnderlyingSystemType.Attributes;
+ }
- set {
- if (value < buffer_start || value > buffer_start + char_count)
- throw new InternalErrorException ("can't seek that far back: " + (pos - value));
- pos = value - buffer_start;
- }
+ public override int GetArrayRank ()
+ {
+ return rank;
}
- private bool ReadBuffer ()
+ protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
{
- int slack = buffer.Length - char_count;
- if (slack <= AverageReadLength / 2) {
- // shift the buffer to make room for AverageReadLength number of characters
- int shift = AverageReadLength - slack;
- Array.Copy (buffer, shift, buffer, 0, char_count - shift);
- pos -= shift;
- char_count -= shift;
- buffer_start += shift;
- slack += shift; // slack == AverageReadLength
- }
+ throw new NotImplementedException ();
+ }
- int chars_read = reader.Read (buffer, char_count, slack);
- char_count += chars_read;
+ public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
- return pos < char_count;
+ public override Type GetElementType ()
+ {
+ return InternalType.Dynamic;
}
- public int Peek ()
+ public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
{
- if ((pos >= char_count) && !ReadBuffer ())
- return -1;
+ throw new NotImplementedException ();
+ }
- return buffer [pos];
+ public override EventInfo[] GetEvents (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- public int Read ()
+ public override FieldInfo GetField (string name, BindingFlags bindingAttr)
{
- if ((pos >= char_count) && !ReadBuffer ())
- return -1;
+ throw new NotImplementedException ();
+ }
- return buffer [pos++];
+ public override FieldInfo[] GetFields (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- }
- public class DoubleHash {
- const int DEFAULT_INITIAL_BUCKETS = 100;
+ public override Type GetInterface (string name, bool ignoreCase)
+ {
+ throw new NotImplementedException ();
+ }
- public DoubleHash () : this (DEFAULT_INITIAL_BUCKETS) {}
+ public override Type[] GetInterfaces ()
+ {
+ return Type.EmptyTypes;
+ }
- public DoubleHash (int size)
+ public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
{
- count = size;
- buckets = new Entry [size];
+ throw new NotImplementedException ();
}
- int count;
- Entry [] buckets;
- int size = 0;
+ protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
+ {
+ throw new NotImplementedException ();
+ }
- class Entry {
- public object key1;
- public object key2;
- public int hash;
- public object value;
- public Entry next;
+ public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
+ }
- public Entry (object key1, object key2, int hash, object value, Entry next)
- {
- this.key1 = key1;
- this.key2 = key2;
- this.hash = hash;
- this.next = next;
- this.value = value;
- }
+ public override Type GetNestedType (string name, BindingFlags bindingAttr)
+ {
+ throw new NotImplementedException ();
}
- public bool Lookup (object a, object b, out object res)
+ public override Type[] GetNestedTypes (BindingFlags bindingAttr)
{
- int h = (a.GetHashCode () ^ b.GetHashCode ()) & 0x7FFFFFFF;
+ throw new NotImplementedException ();
+ }
- for (Entry e = buckets [h % count]; e != null; e = e.next) {
- if (e.hash == h && e.key1.Equals (a) && e.key2.Equals (b)) {
- res = e.value;
- return true;
+ 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;
}
- res = null;
- return false;
}
- public void Insert (object a, object b, object value)
+ public override object[] GetCustomAttributes (Type attributeType, bool inherit)
{
- // Is it an existing one?
+ return new object [0];
+ }
- int h = (a.GetHashCode () ^ b.GetHashCode ()) & 0x7FFFFFFF;
+ public override object[] GetCustomAttributes (bool inherit)
+ {
+ return new object [0];
+ }
- for (Entry e = buckets [h % count]; e != null; e = e.next) {
- if (e.hash == h && e.key1.Equals (a) && e.key2.Equals (b))
- e.value = value;
+ 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 {
+ get { return UnderlyingSystemType.TypeHandle; }
+ }
+ }
+
+ 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;
}
+ }
+ }
- int bucket = h % count;
- buckets [bucket] = new Entry (a, b, h, value, buckets [bucket]);
+ /// <summary>
+ /// An exception used to terminate the compiler resolution phase and provide completions
+ /// </summary>
+ /// <remarks>
+ /// This is thrown when we want to return the completions or
+ /// terminate the completion process by AST nodes used in
+ /// the completion process.
+ /// </remarks>
+ public class CompletionResult : Exception {
+ string [] result;
+ string base_text;
+
+ public CompletionResult (string base_text, string [] res)
+ {
+ if (base_text == null)
+ throw new ArgumentNullException ("base_text");
+ this.base_text = base_text;
- // Grow whenever we double in size
- if (size++ == count) {
- count <<= 1;
- count ++;
+ result = res;
+ Array.Sort (result);
+ }
- Entry [] newBuckets = new Entry [count];
- foreach (Entry root in buckets) {
- Entry e = root;
- while (e != null) {
- int newLoc = e.hash % count;
- Entry n = e.next;
- e.next = newBuckets [newLoc];
- newBuckets [newLoc] = e;
- e = n;
- }
- }
+ public string [] Result {
+ get {
+ return result;
+ }
+ }
- buckets = newBuckets;
+ public string BaseText {
+ get {
+ return base_text;
}
}
}