public override void Execute(Stack <object> stack, WASMModule context, params object[] parameters)
{
var i1 = (int)stack.Pop();
var i2 = (int)stack.Pop();
stack.Push(i1 + i2);
}
public static void Execute(IEnumerable <WASMInstruction> expression, WASMModule context, Stack <object> stack, params object[] parameters)
{
foreach (WASMInstruction instruction in expression)
{
if (instruction.OP == OPCode.End)
{
break;
}
instruction.Execute(stack, context, parameters);
}
}
public static async Task Main(string[] args)
{
byte[] originalModuleData = File.ReadAllBytes(args[0]);
var originalModule = new WASMModule(originalModuleData);
var disassembleTime = Stopwatch.StartNew();
originalModule.Disassemble();
disassembleTime.Stop();
string assembledPath = args[0].Replace("original_", string.Empty);
using var fs = File.Create(assembledPath);
var writer = PipeWriter.Create(fs);
var assembleTime = Stopwatch.StartNew();
originalModule.Assemble(writer);
await writer.FlushAsync();
assembleTime.Stop();
await fs.DisposeAsync();
Console.WriteLine($"Assemble: " + assembleTime.Elapsed.ToString("mm\\:ss\\.ff"));
Console.WriteLine($"Disassemble: " + disassembleTime.Elapsed.ToString("mm\\:ss\\.ff"));
bool areModulesEqual = true;
byte[] assembledModuleData = await File.ReadAllBytesAsync(assembledPath);
for (int i = 4; i < Math.Min(originalModuleData.Length, assembledModuleData.Length); i++)
{
if (originalModuleData[i] == assembledModuleData[i])
{
continue;
}
string originalChunkHex = BitConverter.ToString(originalModuleData, i, 10);
string modifiedChunkHex = BitConverter.ToString(assembledModuleData, i, 10);
areModulesEqual = false;
Debugger.Break();
}
Console.WriteLine("Are Modules Equal: " + areModulesEqual);
Console.ReadLine();
}
public static Stack <object> Execute(IEnumerable <WASMInstruction> expression, WASMModule context)
{
var stack = new Stack <object>();
Execute(expression, context, stack);
return(stack);
}
public WASMMachine(WASMModule context)
{
_context = context;
Stack = new Stack <object>();
}
public override void Execute(Stack <object> stack, WASMModule context, params object[] parameters)
{
stack.Push(Constant);
}
public override void Execute(Stack <object> stack, WASMModule context, params object[] parameters)
{
WASMMachine.Execute(context.GlobalSec[(int)Index].Expression, context, stack);
}
public override void Execute(Stack <object> stack, WASMModule context, params object[] parameters) => stack.Push((int)stack.Pop() == 0);
public T EvaluateOffset <T>(WASMModule context)
{
return((T)WASMMachine.Execute(Expression, context).Pop());
}
