public static OpcodeDescriptorAttribute GetDescriptor(this InstructionOpcode opcode)
{
// Check our cache for our descriptor.
if (_cachedDescriptors.TryGetValue(opcode, out var val))
{
return(val);
}
// Cache miss, obtain our enum option's field info
FieldInfo fi = opcode.GetType().GetField(opcode.ToString());
if (fi == null)
{
return(null);
}
// Obtain all attributes of type we are interested in.
var attributes = fi.GetCustomAttributes <OpcodeDescriptorAttribute>(false).ToArray();
// If one exists, cache it and return it.
if (attributes != null && attributes.Length > 0)
{
_cachedDescriptors[opcode] = attributes[0];
return(attributes[0]);
}
return(null);
}
public static OpcodeBaseGasCostAttribute[] GetBaseGasCosts(this InstructionOpcode opcode)
{
// Cache miss, obtain our enum option's field info
FieldInfo fi = opcode.GetType().GetField(opcode.ToString());
if (fi == null)
{
return(null);
}
// Obtain all attributes of type we are interested in.
var attributes = fi.GetCustomAttributes <OpcodeBaseGasCostAttribute>(false).ToArray();
return(attributes);
}
