List of usage examples for org.antlr.v4.runtime InputMismatchException getOffendingToken
public Token getOffendingToken()
From source file:com.antsdb.saltedfish.sql.Session.java
License:Open Source License
public Script parse(CharStream cs) { if (this.isClosed) { throw new OrcaException("session is closed"); }/* w ww. j av a 2 s . co m*/ startTrx(); // check the global statement cache Script script = this.getOrca().getCachedStatement(cs.toString()); // parse it for real if it is not cached if (script == null) { try { script = this.fac.parse(this, cs); } catch (ParseCancellationException x) { if (x.getCause() instanceof InputMismatchException) { InputMismatchException xx = (InputMismatchException) x.getCause(); String offend = xx.getOffendingToken().getText(); throw new OrcaException(x, "Invalid SQL. Offending token: {}", offend); } if (x.getCause() instanceof NoViableAltException) { NoViableAltException xx = (NoViableAltException) x.getCause(); String offend = xx.getOffendingToken().getText(); throw new OrcaException(x, "Invalid SQL. Offending token: {}", offend); } throw new OrcaException("Invalid SQL", x); } catch (CompileDdlException x) { script = new Script(null, x.nParameters, 100, cs.toString()); } if (_log.isTraceEnabled()) { _log.trace("{}-{}: {}", getId(), script.hashCode(), cs.toString()); } if (script.worthCache()) { this.getOrca().cacheStatement(script); } } return script; }
From source file:com.espertech.esper.epl.parse.ExceptionConvertor.java
License:Open Source License
/** * Converts from a syntax error to a nice exception. * @param e is the syntax error//from www .j a va2 s . c om * @param expression is the expression text * @param parser the parser that parsed the expression * @param addPleaseCheck indicates to add "please check" paraphrases * @return syntax exception */ public static UniformPair<String> convert(RecognitionException e, String expression, boolean addPleaseCheck, EsperEPL2GrammarParser parser) { if (expression.trim().length() == 0) { String message = "Unexpected " + END_OF_INPUT_TEXT; return new UniformPair<String>(message, expression); } Token t; Token tBeforeBefore = null; Token tBefore = null; Token tAfter = null; int tIndex = e.getOffendingToken() != null ? e.getOffendingToken().getTokenIndex() : Integer.MAX_VALUE; if (tIndex < parser.getTokenStream().size()) { t = parser.getTokenStream().get(tIndex); if ((tIndex + 1) < parser.getTokenStream().size()) { tAfter = parser.getTokenStream().get(tIndex + 1); } if (tIndex - 1 >= 0) { tBefore = parser.getTokenStream().get(tIndex - 1); } if (tIndex - 2 >= 0) { tBeforeBefore = parser.getTokenStream().get(tIndex - 2); } } else { if (parser.getTokenStream().size() >= 1) { tBeforeBefore = parser.getTokenStream().get(parser.getTokenStream().size() - 1); } if (parser.getTokenStream().size() >= 2) { tBefore = parser.getTokenStream().get(parser.getTokenStream().size() - 2); } t = parser.getTokenStream().get(parser.getTokenStream().size() - 1); } Token tEnd = null; if (parser.getTokenStream().size() > 0) { tEnd = parser.getTokenStream().get(parser.getTokenStream().size() - 1); } String positionInfo = getPositionInfo(t); String token = t.getType() == EsperEPL2GrammarParser.EOF ? "end-of-input" : "'" + t.getText() + "'"; Stack stack = parser.getParaphrases(); String check = ""; boolean isSelect = stack.size() == 1 && stack.get(0).equals("select clause"); if ((stack.size() > 0) && addPleaseCheck) { String delimiter = ""; StringBuilder checkList = new StringBuilder(); checkList.append(", please check the "); while (stack.size() != 0) { checkList.append(delimiter); checkList.append(stack.pop()); delimiter = " within the "; } check = checkList.toString(); } // check if token is a reserved keyword Set<String> keywords = parser.getKeywords(); boolean reservedKeyword = false; if (keywords.contains(token.toLowerCase())) { token += " (a reserved keyword)"; reservedKeyword = true; } else if (tAfter != null && keywords.contains("'" + tAfter.getText().toLowerCase() + "'")) { token += " ('" + tAfter.getText() + "' is a reserved keyword)"; reservedKeyword = true; } else { if ((tBefore != null) && (tAfter != null) && (keywords.contains("'" + tBefore.getText().toLowerCase() + "'")) && (keywords.contains("'" + tAfter.getText().toLowerCase() + "'"))) { token += " ('" + tBefore.getText() + "' and '" + tAfter.getText() + "' are a reserved keyword)"; reservedKeyword = true; } else if ((tBefore != null) && (keywords.contains("'" + tBefore.getText().toLowerCase() + "'"))) { token += " ('" + tBefore.getText() + "' is a reserved keyword)"; reservedKeyword = true; } else if (tEnd != null && keywords.contains("'" + tEnd.getText().toLowerCase() + "'")) { token += " ('" + tEnd.getText() + "' is a reserved keyword)"; reservedKeyword = true; } } // special handling for the select-clause "as" keyword, which is required if (isSelect && !reservedKeyword) { check += getSelectClauseAsText(tBeforeBefore, t); } String message = "Incorrect syntax near " + token + positionInfo + check; if (e instanceof NoViableAltException || e instanceof LexerNoViableAltException || checkForInputMismatchWithNoExpected(e)) { Token nvaeToken = e.getOffendingToken(); int nvaeTokenType = nvaeToken != null ? nvaeToken.getType() : EsperEPL2GrammarLexer.EOF; if (nvaeTokenType == EsperEPL2GrammarLexer.EOF) { if (token.equals(END_OF_INPUT_TEXT)) { message = "Unexpected " + END_OF_INPUT_TEXT + positionInfo + check; } else { if (ParseHelper.hasControlCharacters(expression)) { message = "Unrecognized control characters found in text" + positionInfo; } else { message = "Unexpected " + END_OF_INPUT_TEXT + " near " + token + positionInfo + check; } } } else { if (parser.getParserTokenParaphrases().get(nvaeTokenType) != null) { message = "Incorrect syntax near " + token + positionInfo + check; } else { // find next keyword in the next 3 tokens int currentIndex = tIndex + 1; while ((currentIndex > 0) && (currentIndex < parser.getTokenStream().size() - 1) && (currentIndex < tIndex + 3)) { Token next = parser.getTokenStream().get(currentIndex); currentIndex++; String quotedToken = "'" + next.getText() + "'"; if (parser.getKeywords().contains(quotedToken)) { check += " near reserved keyword '" + next.getText() + "'"; break; } } message = "Incorrect syntax near " + token + positionInfo + check; } } } else if (e instanceof InputMismatchException) { InputMismatchException mismatched = (InputMismatchException) e; String expected; if (mismatched.getExpectedTokens().size() > 1) { StringWriter writer = new StringWriter(); writer.append("any of the following tokens {"); String delimiter = ""; for (int i = 0; i < mismatched.getExpectedTokens().size(); i++) { writer.append(delimiter); if (i > 5) { writer.append("..."); writer.append(Integer.toString(mismatched.getExpectedTokens().size() - 5)); writer.append(" more"); break; } delimiter = ", "; writer.append(getTokenText(parser, mismatched.getExpectedTokens().get(i))); } writer.append("}"); expected = writer.toString(); } else { expected = getTokenText(parser, mismatched.getExpectedTokens().get(0)); } int offendingTokenType = mismatched.getOffendingToken().getType(); String unexpected = getTokenText(parser, offendingTokenType); String expecting = " expecting " + expected.trim() + " but found " + unexpected.trim(); message = "Incorrect syntax near " + token + expecting + positionInfo + check; } return new UniformPair<String>(message, expression); }
From source file:com.github.jknack.handlebars.internal.HbsErrorStrategy.java
License:Apache License
@Override public void reportInputMismatch(final Parser recognizer, final InputMismatchException e) { String[] displayNames = displayNames(recognizer); String msg = e.getExpectedTokens().toString(displayNames); recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e); }
From source file:com.nextbreakpoint.nextfractal.contextfree.compiler.CompilerErrorStrategy.java
License:Open Source License
@Override protected void reportInputMismatch(Parser recognizer, InputMismatchException e) { String message = generateErrorMessage("Input mismatch", recognizer); CompilerError error = new CompilerError(CompilerError.ErrorType.CFDG_COMPILER, e.getOffendingToken().getLine(), e.getOffendingToken().getCharPositionInLine(), e.getOffendingToken().getStartIndex(), recognizer.getCurrentToken().getStopIndex() - recognizer.getCurrentToken().getStartIndex(), message);//from www . j av a 2 s . co m logger.log(Level.FINE, error.toString(), e); errors.add(error); }
From source file:com.nextbreakpoint.nextfractal.mandelbrot.compiler.CompilerErrorStrategy.java
License:Open Source License
@Override protected void reportInputMismatch(Parser recognizer, InputMismatchException e) { String message = generateErrorMessage("Input mismatch", recognizer); CompilerError error = new CompilerError(CompilerError.ErrorType.M_COMPILER, e.getOffendingToken().getLine(), e.getOffendingToken().getCharPositionInLine(), e.getOffendingToken().getStartIndex(), recognizer.getCurrentToken().getStopIndex() - recognizer.getCurrentToken().getStartIndex(), message);//from w ww . j av a2 s . com logger.log(Level.FINE, error.toString(), e); errors.add(error); }
From source file:com.sample.JavaErrorStrategy.java
License:BSD License
/** * This is called by {@link #reportError} when the exception is an * {@link InputMismatchException}.//ww w . ja v a 2s . co m * * @see #reportError * * @param recognizer * the parser instance * @param e * the recognition exception */ protected void reportInputMismatch(@NotNull Parser recognizer, @NotNull InputMismatchException e) { String msg = "mismatched input " + getTokenErrorDisplay(e.getOffendingToken()) + " expecting " + e.getExpectedTokens().toString(recognizer.getTokenNames()); recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e); }
From source file:cx2x.translator.language.base.ClawLanguage.java
License:BSD License
/** * Analyze a raw string input and match it with the CLAW language definition. * * @param rawPragma A raw pragma statement to be analyzed against the CLAW * language./* ww w . j a v a2 s .co m*/ * @param lineno Line number of the pragma statement. * @param generator Accelerator directive generator. * @param target Target that influences the code transformation. * @return A ClawLanguage object with the corresponding extracted information. * @throws IllegalDirectiveException If directive does not follow the CLAW * language specification. */ private static ClawLanguage analyze(String rawPragma, int lineno, AcceleratorGenerator generator, Target target) throws IllegalDirectiveException { // Remove additional claw keyword rawPragma = nakenize(rawPragma); // Discard the ignored code after the claw ignore directive if (rawPragma.toLowerCase().contains(IGNORE)) { rawPragma = rawPragma.substring(0, rawPragma.toLowerCase().indexOf(IGNORE) + IGNORE.length()); } // Instantiate the lexer with the raw string input ClawLexer lexer = new ClawLexer(CharStreams.fromString(rawPragma)); // Get a list of matched tokens CommonTokenStream tokens = new CommonTokenStream(lexer); // Pass the tokens to the parser ClawParser parser = new ClawParser(tokens); parser.setErrorHandler(new BailErrorStrategy()); parser.removeErrorListeners(); try { // Start the parser analysis from the "analyze" entry point ClawParser.AnalyzeContext ctx = parser.analyze(); // Get the ClawLanguage object return by the parser after analysis. ctx.l.setAcceleratorGenerator(generator); ctx.l.setTarget(target); return ctx.l; } catch (ParseCancellationException pcex) { if (pcex.getCause() instanceof InputMismatchException) { InputMismatchException imex = (InputMismatchException) pcex.getCause(); throw new IllegalDirectiveException(getTokens(imex.getExpectedTokens(), parser), lineno, imex.getOffendingToken().getCharPositionInLine()); } else if (pcex.getCause() instanceof NoViableAltException) { NoViableAltException nvex = (NoViableAltException) pcex.getCause(); throw new IllegalDirectiveException(nvex.getOffendingToken(), getTokens(nvex.getExpectedTokens(), parser), lineno, nvex.getOffendingToken().getCharPositionInLine()); } throw new IllegalDirectiveException(rawPragma, "Unsupported construct", lineno, 0); } }
From source file:de.up.ling.irtg.codec.ExceptionErrorStrategy.java
@Override public void reportInputMismatch(Parser recognizer, InputMismatchException e) throws RecognitionException { String msg = getTokenPosition(e.getOffendingToken()) + ": mismatched input " + getTokenErrorDisplay(e.getOffendingToken()); msg += " expecting one of " + e.getExpectedTokens().toString(recognizer.getTokenNames()); RecognitionException ex = new RecognitionException(msg, recognizer, recognizer.getInputStream(), recognizer.getContext());//from w w w . j a v a 2s .co m ex.initCause(e); throw ex; }
From source file:kr.ac.korea.dbserver.parser.SQLErrorStrategy.java
License:Apache License
protected void reportInputMismatchException(@NotNull Parser recognizer, @NotNull InputMismatchException e) { String msg = "mismatched input " + getTokenErrorDisplay(e.getOffendingToken()) + " expecting " + e.getExpectedTokens().toString(recognizer.getTokenNames()); recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e); }
From source file:net.openchrom.xxd.processor.supplier.rscripting.ui.editor.RErrorStrategy.java
License:Open Source License
/** * This is called by {@link #reportError} when the exception is an * {@link InputMismatchException}.//w w w . jav a 2 s . c o m * * @see #reportError * * @param recognizer * the parser instance * @param e * the recognition exception */ protected void reportInputMismatch(@NotNull Parser recognizer, @NotNull InputMismatchException e) { String msg = "mismatched input " + getTokenErrorDisplay(e.getOffendingToken()) + " expecting the following symbols: " + "\n" + e.getExpectedTokens().toString(recognizer.getTokenNames()); recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e); }