/// <summary>
/// Parses a Fast program from given stream.
/// </summary>
public static FastPgm Parse(Stream stream, string filename = null)
{
var parser = new FastPgmParser(stream, filename);
bool ok = parser.Parse();
if (ok)
{
return(parser.program);
}
else
{
throw new FastParseException("Error: fast parser failed", filename);
}
}
/// <summary>
/// Parses a single Fast program from multiple files.
/// Returns null if files is empty.
/// </summary>
/// <param name="files">given files</param>
public static FastPgm ParseFiles(params string[] files)
{
FileStream stream = null;
FastPgm pgm = null;
foreach (var file in files)
{
try
{
FileInfo fi = new FileInfo(file);
stream = fi.OpenRead();
var parser = new FastPgmParser(stream, fi.FullName);
bool ok = parser.Parse();
if (!ok)
{
throw new FastParseException("Error: fast parser failed", fi.FullName);
}
if (pgm == null)
{
pgm = parser.program;
}
else
{
pgm.Add(parser.program.defs);
}
}
finally
{
if (stream != null)
{
stream.Dispose();
stream = null;
}
}
}
return(pgm);
}
