private void runBtn_Click(object sender, EventArgs e)
{
consoleText.Clear();
Lexer lexer = new Lexer(new StringReader(codeText.Text));
RavParser parser = new RavParser();
EvalVisitor visitor = new EvalVisitor();
visitor.DebugOption = false;
IEnvironment env = new Natives().Enviroment(new NestedEnv());
try {
while (lexer.Peek(0) != Token.EOF)
{
ASTree ast = parser.Parse(lexer);
//System.Console.WriteLine(" >>> " + ast.GetType().ToString() + " " + ast.ToString());
//consoleText.AppendText("> " + ast.ToString() + "\n");
ast.Accept(visitor, env);
consoleText.AppendText("> " + visitor.Result.ToString() + "\n");
}
}
catch (ParseException ex) {
consoleText.AppendText("> " + ex.Message + "\n");
}
/*
* for (Token tok = lexer.Read(); tok != Token.EOF; tok = lexer.Read()) {
* consoleText.AppendText("> " + tok.Text + "\n");
* }
*/
}
public void Run()
{
try {
while (lexer.Peek(0) != Token.EOF)
{
ASTree ast = parser.Parse(lexer);
ast.Accept(visitor, env);
if (visitor.Result is ErrorValue)
{
errStream.WriteLine("Error > " + visitor.Result.ToString());
}
else
{
errStream.WriteLine("> " + visitor.Result.ToString());
}
}
}
catch (ParseException ex) {
errStream.WriteLine("Error > " + ex.Message);
}
}