[antlr-interest] C target; need to close stream?

[Rupert Mazzucco]

Hello,

when I do the wiki sequence

  pANTLR3_INPUT_STREAM
      pIStream = antlr3AsciiFileStreamNew((pANTLR3_UINT8)filename);
  ...
  pParser->file(pParser);

do I need to close the file stream somehow and make a new input stream
object before I can lex and parse the same file again (with a different
grammar), or can I reuse the pIStream handler as is?  Do the old lexer
and parser have methods to "delete" them, and is this necessary?

Thank you
Rupert
-- 
Rupert Mazzucco         <mazzucco at iiasa.ac.at>
Research Scholar, Evolution and Ecology Program
IIASA - Institute for Applied Systems Analysis
Schlossplatz 1, 2361 Laxenburg, Austria
Phone: +43 2236 807 522   Fax: +43 2236 713 13