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using System;
using Mono.Debugger.Backend;
using Cecil = Mono.Cecil;
namespace Mono.Debugger.Languages.Mono
{
internal class MonoStringType : MonoFundamentalType
{
static int max_string_length = 10000;
public readonly int ObjectSize;
protected readonly TargetAddress CreateString;
private MonoStringType (MonoSymbolFile file, Cecil.TypeDefinition typedef,
int object_size, int size)
: base (file, typedef, "string", FundamentalKind.String, size)
{
this.ObjectSize = object_size;
this.CreateString = file.MonoLanguage.MonoDebuggerInfo.CreateString;
}
public static MonoStringType Create (MonoSymbolFile corlib, TargetMemoryAccess memory)
{
int object_size = 2 * memory.TargetMemoryInfo.TargetAddressSize;
MonoStringType type = new MonoStringType (
corlib, corlib.ModuleDefinition.Types ["System.String"],
object_size, object_size + 4);
TargetAddress klass = corlib.MonoLanguage.MonoRuntime.GetStringClass (memory);
type.create_type (memory, klass);
return type;
}
public static int MaximumStringLength {
get {
return max_string_length;
}
set {
max_string_length = value;
}
}
public override byte[] CreateObject (object obj)
{
string str = obj as string;
if (str == null)
throw new ArgumentException ();
char[] carray = ((string) obj).ToCharArray ();
byte[] retval = new byte [carray.Length * 2];
for (int i = 0; i < carray.Length; i++) {
retval [2*i] = (byte) (carray [i] & 0x00ff);
retval [2*i+1] = (byte) (carray [i] >> 8);
}
return retval;
}
internal override TargetFundamentalObject CreateInstance (Thread target, object obj)
{
string str = obj as string;
if (str == null)
throw new ArgumentException ();
TargetAddress retval = target.CallMethod (
CreateString, TargetAddress.Null, 0, 0, str);
TargetLocation location = new AbsoluteTargetLocation (retval);
return new MonoStringObject (this, location);
}
protected override TargetObject DoGetObject (TargetMemoryAccess target, TargetLocation location)
{
return new MonoStringObject (this, location);
}
}
}
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