return;
}
- AttributeEncoder encoder = new AttributeEncoder (false);
-
- if (PosArguments != null) {
- var param_types = ctor.Parameters.Types;
- for (int j = 0; j < PosArguments.Count; ++j) {
- var pt = param_types[j];
- var arg_expr = PosArguments[j].Expr;
- if (j == 0) {
- if (Type == predefined.IndexerName || Type == predefined.Conditional) {
- string v = ((StringConstant) arg_expr).Value;
- if (!Tokenizer.IsValidIdentifier (v) || Tokenizer.IsKeyword (v)) {
- context.Compiler.Report.Error (633, arg_expr.Location,
- "The argument to the `{0}' attribute must be a valid identifier", GetSignatureForError ());
- }
- } else if (Type == predefined.Guid) {
- try {
+ byte[] cdata;
+ if (PosArguments == null && named_values == null) {
+ cdata = AttributeEncoder.Empty;
+ } else {
+ AttributeEncoder encoder = new AttributeEncoder ();
+
+ if (PosArguments != null) {
+ var param_types = ctor.Parameters.Types;
+ for (int j = 0; j < PosArguments.Count; ++j) {
+ var pt = param_types[j];
+ var arg_expr = PosArguments[j].Expr;
+ if (j == 0) {
+ if (Type == predefined.IndexerName || Type == predefined.Conditional) {
string v = ((StringConstant) arg_expr).Value;
- new Guid (v);
- } catch (Exception e) {
- Error_AttributeEmitError (e.Message);
- return;
- }
- } else if (Type == predefined.AttributeUsage) {
- int v = ((IntConstant)((EnumConstant) arg_expr).Child).Value;
- if (v == 0) {
- context.Compiler.Report.Error (591, Location, "Invalid value for argument to `{0}' attribute",
- "System.AttributeUsage");
- }
- } else if (Type == predefined.MarshalAs) {
- if (PosArguments.Count == 1) {
- var u_type = (UnmanagedType) System.Enum.Parse (typeof (UnmanagedType), ((Constant) PosArguments[0].Expr).GetValue ().ToString ());
- if (u_type == UnmanagedType.ByValArray && !(Owner is FieldBase)) {
- Error_AttributeEmitError ("Specified unmanaged type is only valid on fields");
+ if (!Tokenizer.IsValidIdentifier (v) || Tokenizer.IsKeyword (v)) {
+ context.Compiler.Report.Error (633, arg_expr.Location,
+ "The argument to the `{0}' attribute must be a valid identifier", GetSignatureForError ());
}
+ } else if (Type == predefined.Guid) {
+ try {
+ string v = ((StringConstant) arg_expr).Value;
+ new Guid (v);
+ } catch (Exception e) {
+ Error_AttributeEmitError (e.Message);
+ return;
+ }
+ } else if (Type == predefined.AttributeUsage) {
+ int v = ((IntConstant) ((EnumConstant) arg_expr).Child).Value;
+ if (v == 0) {
+ context.Compiler.Report.Error (591, Location, "Invalid value for argument to `{0}' attribute",
+ "System.AttributeUsage");
+ }
+ } else if (Type == predefined.MarshalAs) {
+ if (PosArguments.Count == 1) {
+ var u_type = (UnmanagedType) System.Enum.Parse (typeof (UnmanagedType), ((Constant) PosArguments[0].Expr).GetValue ().ToString ());
+ if (u_type == UnmanagedType.ByValArray && !(Owner is FieldBase)) {
+ Error_AttributeEmitError ("Specified unmanaged type is only valid on fields");
+ }
+ }
+ } else if (Type == predefined.DllImport) {
+ if (PosArguments.Count == 1) {
+ var value = ((Constant) PosArguments[0].Expr).GetValue () as string;
+ if (string.IsNullOrEmpty (value))
+ Error_AttributeEmitError ("DllName cannot be empty");
+ }
+ } else if (Type == predefined.MethodImpl && pt == TypeManager.short_type &&
+ !System.Enum.IsDefined (typeof (MethodImplOptions), ((Constant) arg_expr).GetValue ().ToString ())) {
+ Error_AttributeEmitError ("Incorrect argument value.");
+ return;
}
- } else if (Type == predefined.DllImport) {
- if (PosArguments.Count == 1) {
- var value = ((Constant) PosArguments[0].Expr).GetValue () as string;
- if (string.IsNullOrEmpty (value))
- Error_AttributeEmitError ("DllName cannot be empty");
- }
- } else if (Type == predefined.MethodImpl && pt == TypeManager.short_type &&
- !System.Enum.IsDefined (typeof (MethodImplOptions), ((Constant) arg_expr).GetValue ().ToString ())) {
- Error_AttributeEmitError ("Incorrect argument value.");
- return;
}
- }
- arg_expr.EncodeAttributeValue (context, encoder, pt);
+ arg_expr.EncodeAttributeValue (context, encoder, pt);
+ }
}
- }
-
- if (named_values != null) {
- encoder.Stream.Write ((ushort) named_values.Count);
- foreach (var na in named_values) {
- if (na.Key is FieldExpr)
- encoder.Stream.Write ((byte) 0x53);
- else
- encoder.Stream.Write ((byte) 0x54);
- encoder.Encode (na.Key.Type);
- encoder.Encode (na.Value.Name);
- na.Value.Expr.EncodeAttributeValue (context, encoder, na.Key.Type);
+ if (named_values != null) {
+ encoder.Encode ((ushort) named_values.Count);
+ foreach (var na in named_values) {
+ if (na.Key is FieldExpr)
+ encoder.Encode ((byte) 0x53);
+ else
+ encoder.Encode ((byte) 0x54);
+
+ encoder.Encode (na.Key.Type);
+ encoder.Encode (na.Value.Name);
+ na.Value.Expr.EncodeAttributeValue (context, encoder, na.Key.Type);
+ }
+ } else {
+ encoder.EncodeEmptyNamedArguments ();
}
- } else {
- encoder.EncodeEmptyNamedArguments ();
- }
- byte[] cdata = encoder.ToArray ();
+ cdata = encoder.ToArray ();
+ }
try {
foreach (Attributable target in targets)
}
}
- public struct AttributeEncoder
+ public sealed class AttributeEncoder
{
[Flags]
public enum EncodedTypeProperties
TypeParameter = 1 << 1
}
- const ushort Version = 1;
-
public static readonly byte[] Empty;
- public readonly BinaryWriter Stream;
+ byte[] buffer;
+ int pos;
+ const ushort Version = 1;
static AttributeEncoder ()
{
Empty = new byte[4];
- Array.Copy (BitConverter.GetBytes (Version), Empty, 2);
+ Empty[0] = (byte) Version;
}
- public AttributeEncoder (bool empty)
+ public AttributeEncoder ()
{
- if (empty) {
- Stream = null;
- return;
- }
+ buffer = new byte[32];
+ Encode (Version);
+ }
- Stream = new BinaryWriter (new MemoryStream ());
- Stream.Write (Version);
+ public void Encode (bool value)
+ {
+ Encode (value ? (byte) 1 : (byte) 0);
}
public void Encode (byte value)
{
- Stream.Write (value);
+ if (pos == buffer.Length)
+ Grow (1);
+
+ buffer [pos++] = value;
+ }
+
+ public void Encode (sbyte value)
+ {
+ Encode ((byte) value);
}
public void Encode (short value)
{
- Stream.Write (value);
+ if (pos + 2 > buffer.Length)
+ Grow (2);
+
+ buffer[pos++] = (byte) value;
+ buffer[pos++] = (byte) (value >> 8);
+ }
+
+ public void Encode (ushort value)
+ {
+ Encode ((short) value);
}
public void Encode (int value)
{
- Stream.Write (value);
+ if (pos + 4 > buffer.Length)
+ Grow (4);
+
+ buffer[pos++] = (byte) value;
+ buffer[pos++] = (byte) (value >> 8);
+ buffer[pos++] = (byte) (value >> 16);
+ buffer[pos++] = (byte) (value >> 24);
}
public void Encode (uint value)
{
- Stream.Write (value);
+ Encode ((int) value);
+ }
+
+ public void Encode (long value)
+ {
+ if (pos + 8 > buffer.Length)
+ Grow (8);
+
+ buffer[pos++] = (byte) value;
+ buffer[pos++] = (byte) (value >> 8);
+ buffer[pos++] = (byte) (value >> 16);
+ buffer[pos++] = (byte) (value >> 24);
+ buffer[pos++] = (byte) (value >> 32);
+ buffer[pos++] = (byte) (value >> 40);
+ buffer[pos++] = (byte) (value >> 48);
+ buffer[pos++] = (byte) (value >> 56);
+ }
+
+ public void Encode (ulong value)
+ {
+ Encode ((long) value);
+ }
+
+ public void Encode (float value)
+ {
+ Encode (SingleConverter.SingleToInt32Bits (value));
+ }
+
+ public void Encode (double value)
+ {
+ Encode (BitConverter.DoubleToInt64Bits (value));
}
public void Encode (string value)
{
if (value == null) {
- Stream.Write ((byte) 0xFF);
+ Encode ((byte) 0xFF);
return;
}
var buf = Encoding.UTF8.GetBytes(value);
WriteCompressedValue (buf.Length);
- Stream.Write (buf);
+
+ if (pos + buf.Length > buffer.Length)
+ Grow (buf.Length);
+
+ Buffer.BlockCopy (buf, 0, buffer, pos, buf.Length);
+ pos += buf.Length;
}
public EncodedTypeProperties Encode (TypeSpec type)
{
if (type == TypeManager.bool_type) {
- Stream.Write ((byte) 0x02);
+ Encode ((byte) 0x02);
} else if (type == TypeManager.char_type) {
- Stream.Write ((byte) 0x03);
+ Encode ((byte) 0x03);
} else if (type == TypeManager.sbyte_type) {
- Stream.Write ((byte) 0x04);
+ Encode ((byte) 0x04);
} else if (type == TypeManager.byte_type) {
- Stream.Write ((byte) 0x05);
+ Encode ((byte) 0x05);
} else if (type == TypeManager.short_type) {
- Stream.Write ((byte) 0x06);
+ Encode ((byte) 0x06);
} else if (type == TypeManager.ushort_type) {
- Stream.Write ((byte) 0x07);
+ Encode ((byte) 0x07);
} else if (type == TypeManager.int32_type) {
- Stream.Write ((byte) 0x08);
+ Encode ((byte) 0x08);
} else if (type == TypeManager.uint32_type) {
- Stream.Write ((byte) 0x09);
+ Encode ((byte) 0x09);
} else if (type == TypeManager.int64_type) {
- Stream.Write ((byte) 0x0A);
+ Encode ((byte) 0x0A);
} else if (type == TypeManager.uint64_type) {
- Stream.Write ((byte) 0x0B);
+ Encode ((byte) 0x0B);
} else if (type == TypeManager.float_type) {
- Stream.Write ((byte) 0x0C);
+ Encode ((byte) 0x0C);
} else if (type == TypeManager.double_type) {
- Stream.Write ((byte) 0x0D);
+ Encode ((byte) 0x0D);
} else if (type == TypeManager.string_type) {
- Stream.Write ((byte) 0x0E);
+ Encode ((byte) 0x0E);
} else if (type == TypeManager.type_type) {
- Stream.Write ((byte) 0x50);
+ Encode ((byte) 0x50);
} else if (type == TypeManager.object_type) {
- Stream.Write ((byte) 0x51);
+ Encode ((byte) 0x51);
} else if (TypeManager.IsEnumType (type)) {
- Stream.Write ((byte) 0x55);
+ Encode ((byte) 0x55);
EncodeTypeName (type);
} else if (type.IsArray) {
- Stream.Write ((byte) 0x1D);
+ Encode ((byte) 0x1D);
return Encode (TypeManager.GetElementType (type));
} else if (type == InternalType.Dynamic) {
- Stream.Write ((byte) 0x51);
+ Encode ((byte) 0x51);
return EncodedTypeProperties.DynamicType;
}
//
public void EncodeNamedPropertyArgument (PropertySpec property, Constant value)
{
- Stream.Write ((ushort) 1); // length
- Stream.Write ((byte) 0x54); // property
+ Encode ((ushort) 1); // length
+ Encode ((byte) 0x54); // property
Encode (property.MemberType);
Encode (property.Name);
value.EncodeAttributeValue (null, this, property.MemberType);
//
public void EncodeNamedFieldArgument (FieldSpec field, Constant value)
{
- Stream.Write ((ushort) 1); // length
- Stream.Write ((byte) 0x53); // field
+ Encode ((ushort) 1); // length
+ Encode ((byte) 0x53); // field
Encode (field.MemberType);
Encode (field.Name);
value.EncodeAttributeValue (null, this, field.MemberType);
public void EncodeNamedArguments<T> (T[] members, Constant[] values) where T : MemberSpec, IInterfaceMemberSpec
{
- Stream.Write ((ushort) members.Length);
+ Encode ((ushort) members.Length);
for (int i = 0; i < members.Length; ++i)
{
var member = members[i];
if (member.Kind == MemberKind.Field)
- Stream.Write ((byte) 0x53);
+ Encode ((byte) 0x53);
else if (member.Kind == MemberKind.Property)
- Stream.Write ((byte) 0x54);
+ Encode ((byte) 0x54);
else
throw new NotImplementedException (member.Kind.ToString ());
public void EncodeEmptyNamedArguments ()
{
- Stream.Write ((ushort) 0);
+ Encode ((ushort) 0);
+ }
+
+ void Grow (int inc)
+ {
+ int size = System.Math.Max (pos * 4, pos + inc + 2);
+ Array.Resize (ref buffer, size);
}
void WriteCompressedValue (int value)
{
if (value < 0x80) {
- Stream.Write ((byte) value);
+ Encode ((byte) value);
return;
}
if (value < 0x4000) {
- Stream.Write ((byte) (0x80 | (value >> 8)));
- Stream.Write ((byte) value);
+ Encode ((byte) (0x80 | (value >> 8)));
+ Encode ((byte) value);
return;
}
- Stream.Write (value);
+ Encode (value);
}
public byte[] ToArray ()
{
- return ((MemoryStream) Stream.BaseStream).ToArray ();
+ byte[] buf = new byte[pos];
+ Array.Copy (buffer, buf, pos);
+ return buf;
}
}
return;
int[] bits = decimal.GetBits (value);
- AttributeEncoder encoder = new AttributeEncoder (false);
+ AttributeEncoder encoder = new AttributeEncoder ();
encoder.Encode ((byte) (bits[3] >> 16));
encoder.Encode ((byte) (bits[3] >> 31));
encoder.Encode ((uint) bits[2]);
return;
int[] bits = decimal.GetBits (value);
- AttributeEncoder encoder = new AttributeEncoder (false);
+ AttributeEncoder encoder = new AttributeEncoder ();
encoder.Encode ((byte) (bits[3] >> 16));
encoder.Encode ((byte) (bits[3] >> 31));
encoder.Encode ((uint) bits[2]);
projects / mono.git / blobdiff