/// <summary>
/// Sets the header as the first line in the collection, the last line as the footer, and the code in between as the body
/// </summary>
/// <param name="blockLines"></param>
protected void LoadFromCollection(LineCollection blockLines)
{
LineCollection body = blockLines.Clone();
Header = blockLines[0];
Footer = blockLines[blockLines.Count - 1];
body.Remove(Header);
body.Remove(Footer);
Body = body;
}
internal static LineCollection ScanLines(string[] lines, out CodeBlock[] userFunctions)
{
LineCollection allLines = new LineCollection();
List <uint> funLines = new List <uint>();
for (uint lineNumber = 0; lineNumber < lines.Length; ++lineNumber)
{
Line current = new Line(lineNumber + 1, lines[lineNumber]); // Tag all lines with its line number (index + 1)
if (string.IsNullOrEmpty(current.Text) || current.Text[0] == ';')
{
continue;
}
if (current.Name[current.Name.Length - 1] == '$' || current.Name[current.Name.Length - 1] == ']')
{
current.Text = "LET " + current.Text; // add the word LET if it's an equality, but use the original name as visible name
}
else if (current.Name.EqualsIgnoreCase("FUNCTION"))
{
funLines.Add(current.LineNumber);
}
else
{
current.VisibleName = current.VisibleName.ToUpper();
}
while (current.Text[current.Text.Length - 1] == '_') // line continuation
{
lineNumber++;
if (lineNumber >= lines.Length)
{
throw new EndOfCodeException("line continuation character '_' cannot end script");
}
current = new Line(current.LineNumber, current.Text.Remove(current.Text.LastIndexOf('_')) + lines[lineNumber].Trim());
}
allLines.Add(current);
}
List <CodeBlock> userFuncs = new List <CodeBlock>();
foreach (uint funcLine in funLines)
{
FuncBlock func = new FuncBlock(allLines.IndexOf(funcLine), allLines);
userFuncs.Add(func);
allLines.Remove(func.Header);
allLines.Remove(func.Body);
allLines.Remove(func.Footer);
}
userFunctions = userFuncs.ToArray();
return(allLines);
}