protected void initOptions() {
Options options = program.options();
options.initOptions();
options.addKeyOption("-version");
options.addKeyOption("-print");
options.addKeyOption("-g");
options.addKeyOption("-g:none");
options.addKeyOption("-g:lines,vars,source");
options.addKeyOption("-nowarn");
options.addKeyOption("-verbose");
options.addKeyOption("-deprecation");
options.addKeyValueOption("-classpath");
options.addKeyValueOption("-cp");
options.addKeyValueOption("-sourcepath");
options.addKeyValueOption("-bootclasspath");
options.addKeyValueOption("-extdirs");
options.addKeyValueOption("-d");
options.addKeyValueOption("-encoding");
options.addKeyValueOption("-source");
options.addKeyValueOption("-target");
options.addKeyOption("-help");
options.addKeyOption("-O");
options.addKeyOption("-J-Xmx128M");
options.addKeyOption("-recover");
}
public boolean process(String[] args, BytecodeReader reader, JavaParser parser) {
program.initBytecodeReader(reader);
program.initJavaParser(parser);
initOptions();
processArgs(args);
Collection files = program.options().files();
if (program.options().hasOption("-version")) {
printVersion();
return false;
}
if (program.options().hasOption("-help") || files.isEmpty()) {
printUsage();
return false;
}
try {
for (Iterator iter = files.iterator(); iter.hasNext(); ) {
String name = (String) iter.next();
if (!new File(name).exists())
System.err.println("WARNING: file \"" + name + "\" does not exist");
program.addSourceFile(name);
}
for (Iterator iter = program.compilationUnitIterator(); iter.hasNext(); ) {
CompilationUnit unit = (CompilationUnit) iter.next();
if (unit.fromSource()) {
Collection errors = unit.parseErrors();
Collection warnings = new LinkedList();
// compute static semantic errors when there are no parse errors or
// the recover from parse errors option is specified
if (errors.isEmpty() || program.options().hasOption("-recover"))
unit.errorCheck(errors, warnings);
if (!errors.isEmpty()) {
processErrors(errors, unit);
return false;
} else {
if (!warnings.isEmpty()) processWarnings(warnings, unit);
processNoErrors(unit);
}
}
}
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
}
return true;
}
protected Frontend() {
program = new Program();
program.state().reset();
}
protected void processArgs(String[] args) {
program.options().addOptions(args);
}