public void processArgs(String[] args) {
if (isVerbose()) {
ErrorManager.info("ANTLR Parser Generator Version " + VERSION);
showBanner = false;
}
if (args == null || args.length == 0) {
help();
return;
}
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-o") || args[i].equals("-fo")) {
if (i + 1 >= args.length) {
System.err.println("missing output directory with -fo/-o option; ignoring");
} else {
if (args[i].equals("-fo")) { // force output into dir
setForceAllFilesToOutputDir(true);
}
i++;
outputDirectory = args[i];
if (outputDirectory.endsWith("/") || outputDirectory.endsWith("\\")) {
outputDirectory = outputDirectory.substring(0, getOutputDirectory().length() - 1);
}
File outDir = new File(outputDirectory);
haveOutputDir = true;
if (outDir.exists() && !outDir.isDirectory()) {
ErrorManager.error(ErrorManager.MSG_OUTPUT_DIR_IS_FILE, outputDirectory);
setLibDirectory(".");
}
}
} else if (args[i].equals("-lib")) {
if (i + 1 >= args.length) {
System.err.println("missing library directory with -lib option; ignoring");
} else {
i++;
setLibDirectory(args[i]);
if (getLibraryDirectory().endsWith("/") || getLibraryDirectory().endsWith("\\")) {
setLibDirectory(getLibraryDirectory().substring(0, getLibraryDirectory().length() - 1));
}
File outDir = new File(getLibraryDirectory());
if (!outDir.exists()) {
ErrorManager.error(ErrorManager.MSG_DIR_NOT_FOUND, getLibraryDirectory());
setLibDirectory(".");
}
}
} else if (args[i].equals("-nfa")) {
setGenerate_NFA_dot(true);
} else if (args[i].equals("-dfa")) {
setGenerate_DFA_dot(true);
} else if (args[i].equals("-debug")) {
setDebug(true);
} else if (args[i].equals("-trace")) {
setTrace(true);
} else if (args[i].equals("-report")) {
setReport(true);
} else if (args[i].equals("-profile")) {
setProfile(true);
} else if (args[i].equals("-print")) {
setPrintGrammar(true);
} else if (args[i].equals("-depend")) {
setDepend(true);
} else if (args[i].equals("-verbose")) {
setVerbose(true);
} else if (args[i].equals("-version")) {
version();
exitNow = true;
} else if (args[i].equals("-make")) {
setMake(true);
} else if (args[i].equals("-message-format")) {
if (i + 1 >= args.length) {
System.err.println("missing output format with -message-format option; using default");
} else {
i++;
ErrorManager.setFormat(args[i]);
}
} else if (args[i].equals("-Xgrtree")) {
internalOption_PrintGrammarTree = true; // print grammar tree
} else if (args[i].equals("-Xdfa")) {
internalOption_PrintDFA = true;
} else if (args[i].equals("-Xnoprune")) {
DFAOptimizer.PRUNE_EBNF_EXIT_BRANCHES = false;
} else if (args[i].equals("-Xnocollapse")) {
DFAOptimizer.COLLAPSE_ALL_PARALLEL_EDGES = false;
} else if (args[i].equals("-Xdbgconversion")) {
NFAToDFAConverter.debug = true;
} else if (args[i].equals("-Xmultithreaded")) {
NFAToDFAConverter.SINGLE_THREADED_NFA_CONVERSION = false;
} else if (args[i].equals("-Xnomergestopstates")) {
DFAOptimizer.MERGE_STOP_STATES = false;
} else if (args[i].equals("-Xdfaverbose")) {
internalOption_ShowNFAConfigsInDFA = true;
} else if (args[i].equals("-Xwatchconversion")) {
internalOption_watchNFAConversion = true;
} else if (args[i].equals("-XdbgST")) {
CodeGenerator.EMIT_TEMPLATE_DELIMITERS = true;
} else if (args[i].equals("-Xmaxinlinedfastates")) {
if (i + 1 >= args.length) {
System.err.println("missing max inline dfa states -Xmaxinlinedfastates option; ignoring");
} else {
i++;
CodeGenerator.MAX_ACYCLIC_DFA_STATES_INLINE = Integer.parseInt(args[i]);
}
} else if (args[i].equals("-Xmaxswitchcaselabels")) {
if (i + 1 >= args.length) {
System.err.println(
"missing max switch case labels -Xmaxswitchcaselabels option; ignoring");
} else {
i++;
CodeGenerator.MAX_SWITCH_CASE_LABELS = Integer.parseInt(args[i]);
}
} else if (args[i].equals("-Xminswitchalts")) {
if (i + 1 >= args.length) {
System.err.println("missing min switch alternatives -Xminswitchalts option; ignoring");
} else {
i++;
CodeGenerator.MIN_SWITCH_ALTS = Integer.parseInt(args[i]);
}
} else if (args[i].equals("-Xm")) {
if (i + 1 >= args.length) {
System.err.println("missing max recursion with -Xm option; ignoring");
} else {
i++;
NFAContext.MAX_SAME_RULE_INVOCATIONS_PER_NFA_CONFIG_STACK = Integer.parseInt(args[i]);
}
} else if (args[i].equals("-Xmaxdfaedges")) {
if (i + 1 >= args.length) {
System.err.println("missing max number of edges with -Xmaxdfaedges option; ignoring");
} else {
i++;
DFA.MAX_STATE_TRANSITIONS_FOR_TABLE = Integer.parseInt(args[i]);
}
} else if (args[i].equals("-Xconversiontimeout")) {
if (i + 1 >= args.length) {
System.err.println("missing max time in ms -Xconversiontimeout option; ignoring");
} else {
i++;
DFA.MAX_TIME_PER_DFA_CREATION = Integer.parseInt(args[i]);
}
} else if (args[i].equals("-Xnfastates")) {
DecisionProbe.verbose = true;
} else if (args[i].equals("-X")) {
Xhelp();
} else {
if (args[i].charAt(0) != '-') {
// Must be the grammar file
addGrammarFile(args[i]);
}
}
}
}
/**
* Set the message format to one of ANTLR, gnu, vs2005
*
* @param format
*/
public void setMessageFormat(String format) {
ErrorManager.setFormat(format);
}