public void Keyword()
{
string top = Peek().Value;
if (!Env.Commands.ContainsKey(top))
{
throw new MissingDefinitionException($"Unknown keyword: {top}");
}
ICmd cmd = Env.Commands[top];
if (!InScript && !cmd.IsGlobal)
{
throw new ScopeException($"Cannot execute {top} in global context");
}
if (InScript && !cmd.IsScript)
{
throw new ScopeException($"Cannot execute {top} in script context");
}
Consume();
cmd.Apply(this, ConsumeArguments(cmd));
}
