public int Execute(string exportName, params object[] args)
{
foreach (var exportSection in _instance.Module.ExportSections)
{
for (var funcIndex = 0; funcIndex < exportSection.Entries.Count; funcIndex++)
{
var entry = exportSection.Entries[funcIndex];
if (entry.Kind == WasmExternalKind.Function && entry.Field == exportName)
{
var funcTypeIndex = _instance.Module.Function.Entries[funcIndex];
var signature = _instance.Module.Type.Entries[(int)funcTypeIndex];
var body = _instance.Module.Code.Bodies[funcIndex];
var context = new WasmFunctionState(signature, body)
{
InstructionPointer = 0,
ModuleInstance = _instance
};
for (var i = 0; i < signature.Parameters.Count; i++)
{
var param = signature.Parameters[i];
var variable = context.ResolveLocalVariable((uint)i);
switch (param)
{
case WasmType.I32:
variable.SetUI32(Convert.ToUInt32(args[i]));
break;
}
}
while (context.InstructionPointer < body.Opcodes.Count)
{
var opcode = body.Opcodes[context.InstructionPointer];
context.InstructionPointer++;
opcode.Execute(context);
}
return((int)context.PopUI32());
}
}
}
return(0);
}
public static void Execute(this BaseOpcode opcode, WasmFunctionState state)
{
opcode.AcceptVistor(_executor, state);
}
