protected String getErrorMessage(RecognitionException re) {
String message = "";
Parser recognizer = (Parser) re.getRecognizer();
TokenStream tokens = recognizer.getInputStream();
if (re instanceof NoViableAltException) {
NoViableAltException e = (NoViableAltException) re;
Token startToken = e.getStartToken();
String input =
(startToken.getType() == Token.EOF)
? "end of text"
: quote(tokens.getText(startToken, e.getOffendingToken()));
message = "no viable date format found at " + input;
} else if (re instanceof InputMismatchException) {
InputMismatchException e = (InputMismatchException) re;
message =
"did not expect "
+ getTokenDisplayString(e.getOffendingToken())
+ " while looking for "
+ e.getExpectedTokens().toString(recognizer.getTokenNames());
} else if (re instanceof FailedPredicateException) {
FailedPredicateException e = (FailedPredicateException) re;
String ruleName = recognizer.getRuleNames()[recognizer.getContext().getRuleIndex()];
message = "failed predicate " + ruleName + ": " + e.getMessage();
}
return message;
}
@Override
public void syntaxError(
Recognizer<?, ?> recognizer,
Object offendingSymbol,
int line,
int charPositionInLine,
String msg,
RecognitionException e) {
if (e != null) {
if (!msg.contains("<EOF>")) {
String exc = e.getClass().getName();
if (exc.contains("InputMismatchException")) {
System.out.println(
"Error Sintactico: Entrada no coincide con tokens. Linea "
+ line
+ ", caracter "
+ charPositionInLine
+ ". Por favor verifique su codigo UNALang.");
System.out.println("\t Detalle del error: " + msg);
} else if (exc.contains("FailedPredicateException")) {
System.out.println(
"Error Semantico: Validacion Fallida. Linea "
+ line
+ ", caracter "
+ charPositionInLine
+ ". Por favor verifique su codigo UNALang.");
System.out.println("\t Detalle del error: " + msg);
} else if (exc.contains("LexerNoViableAltException")) {
System.out.println(
"Error Sintactico: Ambiguedad en entrada para analisis. Linea "
+ line
+ ", caracter "
+ charPositionInLine
+ ". Por favor verifique su codigo UNALang.");
System.out.println("\t Detalle del error: " + msg);
} else if (exc.contains("NoViableAltException")) {
System.out.println(
"Error Semantico: Ambiguedad en entrada para analisis. Linea "
+ line
+ ", caracter "
+ charPositionInLine
+ ". Por favor verifique su codigo UNALang.");
System.out.println("\t Detalle del error: " + msg);
} else {
System.out.println("OTRO ERROR :V");
}
}
} else {
System.out.println(
"Error " + msg + " en Linea " + line + " " + ", caracter " + charPositionInLine);
}
}
/**
* Logs parser errors in Checkstyle manner. Parser can generate error messages. There is special
* error that parser can generate. It is missed close HTML tag. This case is special because
* parser prints error like {@code "no viable alternative at input 'b \n *\n'"} and it is not
* clear that error is about missed close HTML tag. Other error messages are not special and
* logged simply as "Parse Error...".
*
* <p>{@inheritDoc}
*/
@Override
public void syntaxError(
Recognizer<?, ?> recognizer,
Object offendingSymbol,
int line,
int charPositionInLine,
String msg,
RecognitionException ex) {
final int lineNumber = offset + line;
final Token token = (Token) offendingSymbol;
if (MSG_JAVADOC_MISSED_HTML_CLOSE.equals(msg)) {
errorMessage =
new ParseErrorMessage(
lineNumber, MSG_JAVADOC_MISSED_HTML_CLOSE, charPositionInLine, token.getText());
throw new ParseCancellationException(msg);
} else if (MSG_JAVADOC_WRONG_SINGLETON_TAG.equals(msg)) {
errorMessage =
new ParseErrorMessage(
lineNumber, MSG_JAVADOC_WRONG_SINGLETON_TAG, charPositionInLine, token.getText());
throw new ParseCancellationException(msg);
} else {
final int ruleIndex = ex.getCtx().getRuleIndex();
final String ruleName = recognizer.getRuleNames()[ruleIndex];
final String upperCaseRuleName =
CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, ruleName);
errorMessage =
new ParseErrorMessage(
lineNumber,
MSG_JAVADOC_PARSE_RULE_ERROR,
charPositionInLine,
msg,
upperCaseRuleName);
}
}
