public static Scanner MultiplyOrDivide(this Scanner scanner)
{
return(scanner.Pipe(new MultiplyDividePattern(scanner)));
}
public static Scanner AddOrSubtract(this Scanner scanner)
{
return(scanner.Pipe(new AddSubtractPattern(scanner)));
}
public static Scanner Brackets(this Scanner scanner)
{
return(scanner.Pipe(new BracketsPattern(scanner)));
}
public static void Main(string[] args)
{
bool mergeErrors = false;
string inputName = null;
// ------------------------ you may need to process command line parameters:
for (int i = 0; i < args.Length; i++)
{
if (args[i].ToLower().Equals("-l"))
{
mergeErrors = true;
}
else
{
inputName = args[i];
}
}
if (inputName == null)
{
Console.WriteLine("No input file specified");
System.Environment.Exit(1);
}
int pos = inputName.LastIndexOf('/');
if (pos < 0)
{
pos = inputName.LastIndexOf('\\');
}
string dir = inputName.Substring(0, pos + 1);
/*++++ If the parser needs an output file, include a section like the following
* and add a line
*
* public static OutFile output;
*
* to your ATG file.
*
* string outputName = null;
* pos = inputName.LastIndexOf('.');
* if (pos < 0) outputName = inputName + ".out";
* else outputName = inputName.Substring(0, pos) + ".out";
* Parser.output = new OutFile(outputName);
* if (Parser.output.OpenError()) {
* Console.WriteLine("cannot open " + outputName);
* System.Environment.Exit(1);
* }
*
++++++ */
Scanner.Init(inputName);
Errors.Init(inputName, dir, mergeErrors);
// ----------------------- add other initialization if required:
Parser.Parse();
Errors.Summarize();
// ----------------------- add other finalization if required:
/*++++ If the parser needs an output file, uncomment this section
* Parser.output.Close();
++++++ */
}
