Java DiagnosticErrorListener类代码示例

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
private void setupPicky(PainlessParser parser) {
    // Diagnostic listener invokes syntaxError on other listeners for ambiguity issues,
    parser.addErrorListener(new DiagnosticErrorListener(true));
    // a second listener to fail the test when the above happens.
    parser.addErrorListener(new BaseErrorListener() {
        @Override
        public void syntaxError(final Recognizer<?,?> recognizer, final Object offendingSymbol, final int line,
                                final int charPositionInLine, final String msg, final RecognitionException e) {
            throw new AssertionError("line: " + line + ", offset: " + charPositionInLine +
                ", symbol:" + offendingSymbol + " " + msg);
        }
    });

    // Enable exact ambiguity detection (costly). we enable exact since its the default for
    // DiagnosticErrorListener, life is too short to think about what 'inexact ambiguity' might mean.
    parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
private void parseInputStream(CharStream inputStream, OboParseResultListener listener) {
  final OboLexer l = new OboLexer(inputStream);
  final Antlr4OboParser p = new Antlr4OboParser(new CommonTokenStream(l));

  p.addErrorListener(new BaseErrorListener() {
    @Override
    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line,
        int charPositionInLine, String msg, RecognitionException e) {
      throw new IllegalStateException("Failed to parse at line " + line + " due to " + msg, e);
    }
  });

  if (debug) {
    p.addErrorListener(new DiagnosticErrorListener());
  }

  p.addParseListener(new OboParserListener(listener));

  p.oboFile();
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
public static <P extends Parser> P getParser(Class<? extends Lexer> lexerClass, Class<P> parserClass, String source) {
  Lexer lexer = getLexer(lexerClass, source);
  TokenStream tokens = new CommonTokenStream(lexer);

  P parser;
  try {
    parser = parserClass.getConstructor(TokenStream.class).newInstance(tokens);
  } catch (Exception e) {
    throw new IllegalArgumentException("couldn't invoke parser constructor", e);
  }
  parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
  parser.removeErrorListeners(); // don't spit to stderr
  parser.addErrorListener(new DiagnosticErrorListener());
  parser.addErrorListener(new AntlrFailureListener());

  return parser;
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
/**
 * Build and return {@link Antlr4OboParser} for a given <code>text</code>.
 *
 * @param text String with the text to parse.
 * @param mode Name of the mode to use.
 * @return {@link Antlr4OboParser}, readily setup for parsing the OBO file.
 */
protected Antlr4OboParser buildParser(String text, String mode) {
  final CodePointCharStream inputStream = CharStreams.fromString(text);
  final OboLexer l = new OboLexer(inputStream);

  for (int i = 0; i < l.getModeNames().length; ++i) {
    if (mode.equals(l.getModeNames()[i])) {
      l.mode(i);
    }
  }

  Antlr4OboParser p = new Antlr4OboParser(new CommonTokenStream(l));

  p.addErrorListener(new BaseErrorListener() {
    @Override
    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line,
        int charPositionInLine, String msg, RecognitionException e) {
      throw new IllegalStateException("failed to parse at line " + line + " due to " + msg, e);
    }
  });

  p.addErrorListener(new DiagnosticErrorListener());

  p.addParseListener(outerListener);

  return p;
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
private static TrinityParser createParser(ANTLRInputStream input) throws IOException {
    TrinityLexer lexer = new TrinityLexer(input);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    TrinityParser parser = new TrinityParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
    return parser;
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
protected void process(Lexer lexer, Class<? extends Parser> parserClass, Parser parser, InputStream is, Reader r) throws IOException, IllegalAccessException, InvocationTargetException, PrintException {
	try {
		ANTLRInputStream input = new ANTLRInputStream(r);
		lexer.setInputStream(input);
		CommonTokenStream tokens = new CommonTokenStream(lexer);

		tokens.fill();

		if ( showTokens ) {
			for (Object tok : tokens.getTokens()) {
				System.out.println(tok);
			}
		}

		if ( startRuleName.equals(LEXER_START_RULE_NAME) ) return;

		if ( diagnostics ) {
			parser.addErrorListener(new DiagnosticErrorListener());
			parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
		}

		if ( printTree || gui || psFile!=null ) {
			parser.setBuildParseTree(true);
		}

		if ( SLL ) { // overrides diagnostics
			parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
		}

		parser.setTokenStream(tokens);
		parser.setTrace(trace);

		try {
			Method startRule = parserClass.getMethod(startRuleName);
			ParserRuleContext tree = (ParserRuleContext)startRule.invoke(parser, (Object[])null);

			if ( printTree ) {
				System.out.println(tree.toStringTree(parser));
			}
			if ( gui ) {
				tree.inspect(parser);
			}
			if ( psFile!=null ) {
				tree.save(parser, psFile); // Generate postscript
			}
		}
		catch (NoSuchMethodException nsme) {
			System.err.println("No method for rule "+startRuleName+" or it has arguments");
		}
	}
	finally {
		if ( r!=null ) r.close();
		if ( is!=null ) is.close();
	}
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
public static void addDebugListeners(FusionTablesSqlParser parser) {
	parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
	parser.removeErrorListeners();
	parser.addErrorListener(new DiagnosticErrorListener());
	parser.addErrorListener(new VerboseErrorListener());
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
protected void process(Lexer lexer, Class<? extends Parser> parserClass, Parser parser, InputStream is, Reader r) throws IOException, IllegalAccessException, InvocationTargetException, PrintException {
	try {
		ANTLRInputStream input = new ANTLRInputStream(r);
		lexer.setInputStream(input);
		CommonTokenStream tokens = new CommonTokenStream(lexer);

		tokens.fill();

		if ( showTokens ) {
			for (Object tok : tokens.getTokens()) {
				System.out.println(tok);
			}
		}

		if ( startRuleName.equals(LEXER_START_RULE_NAME) ) return;

		if ( diagnostics ) {
			parser.addErrorListener(new DiagnosticErrorListener());
			parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
		}

		if ( printTree || gui || psFile!=null ) {
			parser.setBuildParseTree(true);
		}

		if ( SLL ) { // overrides diagnostics
			parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
		}

		parser.setTokenStream(tokens);
		parser.setTrace(trace);

		try {
			Method startRule = parserClass.getMethod(startRuleName);
			ParserRuleContext tree = (ParserRuleContext)startRule.invoke(parser, (Object[])null);

			if ( printTree ) {
				System.out.println(tree.toStringTree(parser));
			}
			if ( gui ) {
				Trees.inspect(tree, parser);
			}
			if ( psFile!=null ) {
				Trees.save(tree, parser, psFile); // Generate postscript
			}
		}
		catch (NoSuchMethodException nsme) {
			System.err.println("No method for rule "+startRuleName+" or it has arguments");
		}
	}
	finally {
		if ( r!=null ) r.close();
		if ( is!=null ) is.close();
	}
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
protected SpecificationContext parse(Lexer lexer, Parser parser, InputStream is, Reader r) throws IOException, IllegalAccessException, PrintException {
  ANTLRInputStream input = new ANTLRInputStream(r);
  lexer.setInputStream(input);
  CommonTokenStream tokens = new CommonTokenStream(lexer);

  tokens.fill();

  if (options.showTokens) {
    for (Object tok : tokens.getTokens()) {
      System.out.println(tok);
    }
  }

  if (options.diagnostics) {
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
  }

  parser.setBuildParseTree(true);

  // SLL overrides diagnostics
  // %%% Not sure what it really is though.
  if (options.sll) {
    parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
  }

  parser.setTokenStream(tokens);
  parser.setTrace(options.trace);

  SpecificationContext tree = ((WebkitIDLParser)parser).specification();

  if (options.printTree) {
    System.out.println(tree.toStringTree(parser));
  }
  if (options.gui) {
    tree.inspect(parser);
  }
  if (options.psFile != null) {
    tree.save(parser, options.psFile); // Generate postscript
  }

  return tree;
}
 

import org.antlr.v4.runtime.DiagnosticErrorListener; //导入依赖的package包/类
protected SpecificationContext parse(Lexer lexer, Parser parser, InputStream is, Reader r) throws IOException, IllegalAccessException, PrintException {
  ANTLRInputStream input = new ANTLRInputStream(r);
  lexer.setInputStream(input);
  CommonTokenStream tokens = new CommonTokenStream(lexer);

  tokens.fill();

  if (options.showTokens) {
    for (Object tok : tokens.getTokens()) {
      System.out.println(tok);
    }
  }

  if (options.diagnostics) {
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
  }

  parser.setBuildParseTree(true);

  // SLL overrides diagnostics
  // %%% Not sure what it really is though.
  if (options.sll) {
    parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
  }

  parser.setTokenStream(tokens);
  parser.setTrace(options.trace);

  SpecificationContext tree = ((GeckoIDLParser)parser).specification();

  if (options.printTree) {
    System.out.println(tree.toStringTree(parser));
  }
  if (options.gui) {
    tree.inspect(parser);
  }
  if (options.psFile != null) {
    tree.save(parser, options.psFile); // Generate postscript
  }

  return tree;
}