/** Return true if all is ok, no errors */
protected boolean antlr(
String fileName, String grammarFileName, String grammarStr, boolean debug) {
boolean allIsWell = true;
mkdir(tmpdir);
writeFile(tmpdir, fileName, grammarStr);
try {
final List options = new ArrayList();
if (debug) {
options.add("-debug");
}
options.add("-o");
options.add(tmpdir);
options.add("-lib");
options.add(tmpdir);
options.add(new File(tmpdir, grammarFileName).toString());
final String[] optionsA = new String[options.size()];
options.toArray(optionsA);
ErrorQueue equeue = new ErrorQueue();
Tool antlr = newTool(optionsA);
antlr.addListener(equeue);
antlr.processGrammarsOnCommandLine();
if (equeue.errors.size() > 0) {
allIsWell = false;
System.err.println("antlr reports errors from " + options);
for (int i = 0; i < equeue.errors.size(); i++) {
ANTLRMessage msg = (ANTLRMessage) equeue.errors.get(i);
System.err.println(msg);
}
System.out.println("!!!\ngrammar:");
System.out.println(grammarStr);
System.out.println("###");
}
} catch (Exception e) {
allIsWell = false;
System.err.println("problems building grammar: " + e);
e.printStackTrace(System.err);
}
return allIsWell;
}
