/** Print the text of a message, translating newlines appropriately for the platform. */
public static void printRawLines(PrintWriter writer, String msg) {
int nl;
while ((nl = msg.indexOf('\n')) != -1) {
writer.println(msg.substring(0, nl));
msg = msg.substring(nl + 1);
}
if (msg.length() != 0) writer.println(msg);
}
/**
* Print the faulty source code line and point to the error.
*
* @param pos Buffer index of the error position, must be on current line
*/
private void printErrLine(int pos, PrintWriter writer) {
String line = (source == null ? null : source.getLine(pos));
if (line == null) return;
int col = source.getColumnNumber(pos, false);
printRawLines(writer, line);
for (int i = 0; i < col - 1; i++) {
writer.print((line.charAt(i) == '\t') ? "\t" : " ");
}
writer.println("^");
writer.flush();
}
/** report a warning: */
public void rawWarning(int pos, String msg) {
if (nwarnings < MaxWarnings && emitWarnings) {
printRawError(pos, "warning: " + msg);
}
prompt();
nwarnings++;
errWriter.flush();
}
/** report an error: */
public void rawError(int pos, String msg) {
if (nerrors < MaxErrors && shouldReport(currentSourceFile(), pos)) {
printRawError(pos, msg);
prompt();
nerrors++;
}
errWriter.flush();
}
/** print an error or warning message: */
private void printRawError(int pos, String msg) {
if (source == null || pos == Position.NOPOS) {
printRawLines(errWriter, "error: " + msg);
} else {
int line = source.getLineNumber(pos);
JavaFileObject file = source.getFile();
if (file != null) printRawLines(errWriter, file.getName() + ":" + line + ": " + msg);
printErrLine(pos, errWriter);
}
errWriter.flush();
}
/** Write out a diagnostic. */
protected void writeDiagnostic(JCDiagnostic diag) {
if (diagListener != null) {
diagListener.report(diag);
return;
}
PrintWriter writer = getWriterForDiagnosticType(diag.getType());
printRawLines(writer, diagFormatter.format(diag, messages.getCurrentLocale()));
if (promptOnError) {
switch (diag.getType()) {
case ERROR:
case WARNING:
prompt();
}
}
if (dumpOnError) new RuntimeException().printStackTrace(writer);
writer.flush();
}
public void setWriter(WriterKind kind, PrintWriter pw) {
pw.getClass();
switch (kind) {
case NOTICE:
noticeWriter = pw;
break;
case WARNING:
warnWriter = pw;
break;
case ERROR:
errWriter = pw;
break;
default:
throw new IllegalArgumentException();
}
}
protected void directError(String key, Object... args) {
printRawLines(errWriter, localize(key, args));
errWriter.flush();
}
public void printNewline() {
noticeWriter.println();
}
/** Flush the logs */
public void flush() {
errWriter.flush();
warnWriter.flush();
noticeWriter.flush();
}
public void setWriters(PrintWriter pw) {
pw.getClass();
noticeWriter = warnWriter = errWriter = pw;
}