public static bool ShowErrorTo(this ITokenErrLog self, Show.PrintFunc show)
{
string errStr = self.GetErrorString();
if (string.IsNullOrEmpty(errStr))
{
return(false);
}
show.Invoke(errStr); return(true);
}
public void ParseCommand(Instruction instruction, Show.PrintFunc print, out Tokenizer tokenizer)
{
tokenizer = null;
string trimmed = instruction.text?.Trim();
if (string.IsNullOrEmpty(trimmed))
{
return;
}
//Tokenizer tok = new Tokenizer();
//CodeConvert.TryParseArgs(trimmed, out List<object> parsedCommand, instruction.source, tok);
//Show.Log(trimmed+":::"+parsedCommand.Stringify());
string firstWord = Tokenizer.FirstWord(trimmed);
if (firstWord == null)
{
firstWord = trimmed;
}
//Show.Log("1stword " + firstWord.StringifySmall());
Command command = GetCommand(firstWord);
if (command != null)
{
tokenizer = command.Tokenize(trimmed);
//Show.Log(tokenizer);
if (tokenizer.HasError())
{
return;
}
command.handler.Invoke(new Command.Exec(command, tokenizer, instruction.source, print));
}
else
{
print.Invoke("unknown command \'" + firstWord + "\'\n");
tokenizer = new Tokenizer();
tokenizer.Tokenize(trimmed, Command.BaseArgumentParseRules);
}
if (tokenizer.HasError())
{
return;
}
Instruction next = NextInstruction(tokenizer, instruction.source);
if (next == null)
{
return;
}
ParseCommand(next, print, out tokenizer); // make this a do-while loop instead of tail recursion?
}