| Methods Summary |
|---|
| public static void | main(java.lang.String[] args)
persistence.antlr.Tool antlrTool = new persistence.antlr.Tool();
Tool theTool = new Tool(antlrTool, args);
theTool.preprocess();
String[] a = theTool.preprocessedArgList();
for (int i = 0; i < a.length; i++) {
System.out.print(" " + a[i]);
}
System.out.println();
|
| public boolean | preprocess()
if (grammarFileName == null) {
antlrTool.toolError("no grammar file specified");
return false;
}
if (grammars != null) {
theHierarchy = new Hierarchy(antlrTool);
for (Enumeration e = grammars.elements(); e.hasMoreElements();) {
String f = (String)e.nextElement();
try {
theHierarchy.readGrammarFile(f);
}
catch (FileNotFoundException fe) {
antlrTool.toolError("file " + f + " not found");
return false;
}
}
}
// do the actual inheritance stuff
boolean complete = theHierarchy.verifyThatHierarchyIsComplete();
if (!complete)
return false;
theHierarchy.expandGrammarsInFile(grammarFileName);
GrammarFile gf = theHierarchy.getFile(grammarFileName);
String expandedFileName = gf.nameForExpandedGrammarFile(grammarFileName);
// generate the output file if necessary
if (expandedFileName.equals(grammarFileName)) {
args[nargs++] = grammarFileName; // add to argument list
}
else {
try {
gf.generateExpandedFile(); // generate file to feed ANTLR
args[nargs++] = antlrTool.getOutputDirectory() +
System.getProperty("file.separator") +
expandedFileName; // add to argument list
}
catch (IOException io) {
antlrTool.toolError("cannot write expanded grammar file " + expandedFileName);
return false;
}
}
return true;
|
| public java.lang.String[] | preprocessedArgList()create new arg list with correct length to pass to ANTLR
String[] a = new String[nargs];
System.arraycopy(args, 0, a, 0, nargs);
args = a;
return args;
|
| private void | processArguments(java.lang.String[] incomingArgs)Process -glib options and grammar file. Create a new args list
that does not contain the -glib option. The grammar file name
might be modified and, hence, is not added yet to args list.
this.nargs = 0;
this.args = new String[incomingArgs.length];
for (int i = 0; i < incomingArgs.length; i++) {
if ( incomingArgs[i].length() == 0 )
{
antlrTool.warning("Zero length argument ignoring...");
continue;
}
if (incomingArgs[i].equals("-glib")) {
// if on a pc and they use a '/', warn them
if (File.separator.equals("\\") &&
incomingArgs[i].indexOf('/") != -1) {
antlrTool.warning("-glib cannot deal with '/' on a PC: use '\\'; ignoring...");
}
else {
grammars = antlrTool.parseSeparatedList(incomingArgs[i + 1], ';");
i++;
}
}
else if (incomingArgs[i].equals("-o")) {
args[this.nargs++] = incomingArgs[i];
if (i + 1 >= incomingArgs.length) {
antlrTool.error("missing output directory with -o option; ignoring");
}
else {
i++;
args[this.nargs++] = incomingArgs[i];
antlrTool.setOutputDirectory(incomingArgs[i]);
}
}
else if (incomingArgs[i].charAt(0) == '-") {
args[this.nargs++] = incomingArgs[i];
}
else {
// Must be the grammar file
grammarFileName = incomingArgs[i];
if (grammars == null) {
grammars = new Vector(10);
}
grammars.appendElement(grammarFileName); // process it too
if ((i + 1) < incomingArgs.length) {
antlrTool.warning("grammar file must be last; ignoring other arguments...");
break;
}
}
}
|
