public void ScanExpression()
{
string line = "x = a*b";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding ().GetBytes ( line ) );
Scanner scanner = new Scanner ( stream );
Assert.AreEqual ( 5, scanner.Tokens.Count );
}
public void ScanQuotedSingleLine()
{
string line = "x = 'Groove'";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding ().GetBytes ( line ) );
Scanner scanner = new Scanner ( stream );
Assert.AreEqual ( 3, scanner.Tokens.Count );
}
public void ScanLessThanTest()
{
string line = "if x < 50";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding ().GetBytes ( line ) );
Scanner scanner = new Scanner ( stream );
Assert.AreEqual ( 4, scanner.Tokens.Count );
}
public void ScanBlock()
{
string line = @"x= {
> 'grooveit' + y
}";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding ().GetBytes ( line ) );
Scanner scanner = new Scanner ( stream );
Assert.AreEqual ( 8, scanner.Tokens.Count );
}
public void TestScanParameterArray()
{
string line = "$[3]";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding().GetBytes(line) );
Scanner scanner = new Scanner (stream);
Assert.AreEqual ("$", scanner.Tokens.PullToken());
Assert.AreEqual ("[", scanner.Tokens.PullToken());
Assert.AreEqual ("3", scanner.Tokens.PullToken());
Assert.AreEqual ("]", scanner.Tokens.PullToken());
}
public void Run( Stream program )
{
Scanner scanner = new Scanner ( program );
try
{
Parser parser = new Parser ( _kernel );
Block block = parser.Parse( scanner.Tokens );
block.Execute ();
}
catch ( ParseException ex )
{
Console.WriteLine ( ex.Message );
}
}
public void ScanMultipleLines()
{
string line = @"? ya == 'oof'
xa = 'Groove'
end";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding ().GetBytes ( line ) );
Scanner scanner = new Scanner ( stream );
Assert.AreEqual ( 8, scanner.Tokens.Count );
Assert.AreEqual ( "?", scanner.Tokens[0].Value );
Assert.AreEqual ( "ya", scanner.Tokens[1].Value );
Assert.AreEqual ( "==", scanner.Tokens[2].Value );
Assert.AreEqual ( "'oof'", scanner.Tokens[3].Value );
Assert.AreEqual ( "xa", scanner.Tokens[4].Value );
Assert.AreEqual ( "=", scanner.Tokens[5].Value );
Assert.AreEqual ( "'Groove'", scanner.Tokens[6].Value );
Assert.AreEqual ( "end", scanner.Tokens[7].Value );
}
public void TestScanSimpleArray()
{
string line = "x=(1,'3',4+3)";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding().GetBytes(line) );
Scanner scanner = new Scanner (stream);
Assert.AreEqual ("x", scanner.Tokens.PullToken());
Assert.AreEqual ("=", scanner.Tokens.PullToken());
Assert.AreEqual ("(", scanner.Tokens.PullToken());
Assert.AreEqual ("1", scanner.Tokens.PullToken());
Assert.AreEqual (",", scanner.Tokens.PullToken());
Assert.AreEqual ("'3'", scanner.Tokens.PullToken());
Assert.AreEqual (",", scanner.Tokens.PullToken());
Assert.AreEqual ("4", scanner.Tokens.PullToken());
Assert.AreEqual ("+", scanner.Tokens.PullToken());
Assert.AreEqual ("3", scanner.Tokens.PullToken());
Assert.AreEqual (")", scanner.Tokens.PullToken());
}
public void ScanMultipleLines()
{
string line = @"if ya == 'oof'
xa = 'Groove'
end";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding ().GetBytes ( line ) );
Scanner scanner = new Scanner ( stream );
Assert.AreEqual ( 8, scanner.Tokens.Count );
Assert.AreEqual ( "if", scanner.Tokens.PullToken () );
Assert.AreEqual ( "ya", scanner.Tokens.PullToken () );
Assert.AreEqual ( "==", scanner.Tokens.PullToken () );
Assert.AreEqual ( "'oof'", scanner.Tokens.PullToken () );
Assert.AreEqual ( "xa", scanner.Tokens.PullToken () );
Assert.AreEqual ( "=", scanner.Tokens.PullToken () );
Assert.AreEqual ( "'Groove'", scanner.Tokens.PullToken () );
Assert.AreEqual ( "end", scanner.Tokens.PullToken () );
}
public void TestTokenizeArray()
{
string line = "x = y[5]";
MemoryStream stream = new MemoryStream ( new System.Text.ASCIIEncoding().GetBytes(line) );
Scanner scanner = new Scanner (stream);
Assert.AreEqual ("x", scanner.Tokens.PullToken());
Assert.AreEqual ("=", scanner.Tokens.PullToken());
Assert.AreEqual ("y", scanner.Tokens.PullToken());
Assert.AreEqual ("[", scanner.Tokens.PullToken());
Assert.AreEqual ("5", scanner.Tokens.PullToken());
Assert.AreEqual ("]", scanner.Tokens.PullToken());
}