93 lines
2.6 KiB
C#
93 lines
2.6 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
|
|
namespace Language.Lua
|
|
{
|
|
public abstract class LuaValue : IEquatable<LuaValue>
|
|
{
|
|
public abstract object Value { get; }
|
|
|
|
public abstract string GetTypeCode();
|
|
|
|
public virtual bool GetBooleanValue()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
public bool Equals(LuaValue other)
|
|
{
|
|
if (other == null)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (this is LuaNil)
|
|
{
|
|
return other is LuaNil;
|
|
}
|
|
|
|
if (this is LuaTable && other is LuaTable)
|
|
{
|
|
return object.ReferenceEquals(this, other);
|
|
}
|
|
|
|
return this.Value.Equals(other.Value);
|
|
}
|
|
|
|
//[PixelCrushers] IL2CPP requires overriding Equals(object) when
|
|
// using LuaValues as dictionary keys.
|
|
public override bool Equals(object obj)
|
|
{
|
|
return (obj is LuaValue) ? Equals(obj as LuaValue) : base.Equals(obj);
|
|
}
|
|
|
|
public override int GetHashCode()
|
|
{
|
|
if (this is LuaNumber || this is LuaString)
|
|
{
|
|
return this.Value.GetHashCode();
|
|
}
|
|
|
|
return base.GetHashCode();
|
|
}
|
|
|
|
public static LuaValue GetKeyValue(LuaValue baseValue, LuaValue key)
|
|
{
|
|
LuaTable table = baseValue as LuaTable;
|
|
|
|
if (table != null)
|
|
{
|
|
return table.GetValue(key);
|
|
}
|
|
else
|
|
{
|
|
LuaUserdata userdata = baseValue as LuaUserdata;
|
|
if (userdata != null)
|
|
{
|
|
if (userdata.MetaTable != null)
|
|
{
|
|
LuaValue index = userdata.MetaTable.GetValue("__index");
|
|
if (index != null)
|
|
{
|
|
LuaFunction func = index as LuaFunction;
|
|
if (func != null)
|
|
{
|
|
return func.Invoke(new LuaValue[] { baseValue, key });
|
|
}
|
|
else
|
|
{
|
|
return GetKeyValue(index, key);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//[PixelCrushers] Changed wording:
|
|
throw new Exception(string.Format("Lookup of field '{0}' in the table element failed because the table element itself isn't in the table.", key.Value));
|
|
}
|
|
}
|
|
}
|
|
}
|