using System;
using System.Collections.Generic;
using System.Reflection.Emit;
using System.Text;
using Sunweaver.Commands.Attributes;
using Sunweaver.VM;

namespace Sunweaver.Commands
{
    [BasePair("Addition")]
    public class add : Abstracts.BinaryOperation
    {
        public override void Operation(long a, long b)
        {
            VM.Stack.Push(a + b);
        }

        public override void CompileOperation(ILGenerator il, Locals locals)
        {
            il.Emit(OpCodes.Ldloc, locals[typeof(VirtualMachine)]);
            il.Emit(OpCodes.Ldfld, typeof(VirtualMachine).GetField("Stack"));
            il.Emit(OpCodes.Ldloc, locals[typeof(long), 0]);
            il.Emit(OpCodes.Ldloc, locals[typeof(long), 1]);
            il.Emit(OpCodes.Add);
            il.Emit(OpCodes.Call, typeof(IntStack).GetMethod("Push"));
        }
    }
}