Example usage for org.antlr.v4.runtime ANTLRFileStream ANTLRFileStream

Introduction

In this page you can find the example usage for org.antlr.v4.runtime ANTLRFileStream ANTLRFileStream.

Prototype

public ANTLRFileStream(String fileName, String encoding) throws IOException 

Source Link

Usage

From source file:com.brobston.indelible.processor.module.CharStreamProvider.java

License:Open Source License

@Override
public CharStream get() throws IOException {
    return new ANTLRFileStream(fileName, encoding);
}

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From source file:com.fizzed.rocker.compiler.TemplateParser.java

License:Apache License

public TemplateModel parse(File f) throws IOException, ParserException {
    if (!f.exists() || !f.canRead()) {
        throw new IOException("File cannot read or does not exist [" + f + "]");
    }/*from www.j  ava2  s . c  o m*/

    TemplateIdentity identity = parseIdentity(this.configuration.getTemplateDirectory(), f);

    ANTLRFileStream input = new ANTLRFileStream(f.getPath(), "UTF-8");

    return parse(input, identity.packageName, identity.templateName, f.lastModified());
}

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From source file:com.fizzed.rocker.compiler.TemplateParser.java

License:Apache License

public TemplateModel parse(File f, String packageName) throws IOException, ParserException {
    ANTLRFileStream input = new ANTLRFileStream(f.getPath(), "UTF-8");
    return parse(input, packageName, f.getName(), f.lastModified());
}

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From source file:com.kaaprotech.satu.parser.SatuParserHelper.java

License:Apache License

public CompilationUnit parse(final String modelFile, final String encoding, final boolean jsonCompatible) {
    final ANTLRFileStream charStream;
    try {/*from   w  w w  . ja v  a 2 s.c om*/
        charStream = new ANTLRFileStream(modelFile, encoding);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    final SatuLexer lexer = new SatuLexer(charStream);
    final CommonTokenStream tokenStream = new CommonTokenStream(lexer);
    final SatuParser parser = new SatuParser(tokenStream);
    final ParserRuleContext tree = parser.compilationUnit();
    final ParseTreeWalker walker = new ParseTreeWalker();
    final SatuListener listener = new SatuListener(jsonCompatible);
    walker.walk(listener, tree);
    return listener.getCompilationUnit();
}

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From source file:de.weltraumschaf.caythe.SourceFile.java

License:BEER-WARE LICENSE

/**
 * Creates a stream for the ANTL parser.
 *
 * @return never {@code null}, always new instance
 * @throws IOException if file can't be opened
 *//*w w w. j a  v  a 2  s .  co m*/
public CharStream newStream() throws IOException {
    return new ANTLRFileStream(source.toString(), encoding);
}

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From source file:de.weltraumschaf.shackhack.ShackHackCommand.java

License:BEER-WARE LICENSE

private List<Instruction> parseSource(final String filename) throws IOException {
    final CharStream input = new ANTLRFileStream(filename, ENCODING);
    final ShackHackLexer lexer = new ShackHackLexer(input);
    final TokenStream tokens = new CommonTokenStream(lexer);
    final ShackHackParser parser = new ShackHackParser(tokens);

    if (echoDebug) {
        parser.setErrorHandler(new BailErrorStrategy());
    }//from   www.j av a  2s . co m

    final ByteCodeVisitor visitor = new ByteCodeVisitor();
    return visitor.visit(parser.program());
}

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From source file:mbtarranger.languages.dot.Glue.java

License:Open Source License

protected static <T_Pass extends ParseTreeVisitor<AST>> T_Pass extractSinglePassVisiting(File osPath,
        Class<T_Pass> cls) throws IOException, RecognitionException, MbtArrangerException {
    DotLexer lexer;//from w  ww  .ja  v  a2  s . c o  m
    lexer = new DotLexer(new ANTLRFileStream(osPath.getAbsolutePath(), "UTF-8"/*"ANSI"*/));
    lexer.removeErrorListeners();
    ErrorListener errListener = new ErrorListener(osPath);
    lexer.addErrorListener(errListener);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    DotParser parser = new DotParser(tokens);
    parser.setBuildParseTree(true);
    parser.removeErrorListeners();
    parser.addErrorListener(errListener);
    T_Pass pass1;
    try {
        pass1 = cls.newInstance();
    } catch (InstantiationException | IllegalAccessException e) {
        throw new MbtArrangerException("misdesigned generics using reflection to type instantiation", e);
    }
    parser.setBuildParseTree(true);
    try {
        ParseTree tree = parser.root();
        pass1.visit(tree);
    } catch (NullPointerException nulex) {
        throw new MbtArrangerException(
                /* NullPointerExceptions caught here mean, that the parser needs additional logic to handle grammar robustly */
                "ARRANGE parser failed", nulex);
    }
    return pass1;
}

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From source file:org.jarvis.main.engine.impl.transform.AimlTransformLexerImpl.java

License:Apache License

/**
 * build from file//from  w w  w  .j a va  2  s  . co  m
 * 
 * @param filename
 * @param encoding
 * @return
 * @throws AimlParsingError
 */
protected static CommonTokenStream getTokens(String filename, String encoding) throws AimlParsingError {
    AimlTransformLexerImpl lexer;
    try {
        lexer = new AimlTransformLexerImpl(new ANTLRFileStream(filename, encoding));
    } catch (IOException e) {
        throw new AimlParsingError(e);
    }
    return new CommonTokenStream(lexer);
}

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From source file:org.jarvis.main.parser.AimlLexerImpl.java

License:Apache License

/**
 * build from file//from w  w w . j  ava  2 s . co m
 * @param filename
 * @param encoding 
 * @return
 * @throws AimlParsingError
 */
protected static CommonTokenStream getTokens(String filename, String encoding) throws AimlParsingError {
    AimlLexerImpl lexer;
    try {
        lexer = new AimlLexerImpl(new ANTLRFileStream(filename, encoding));
    } catch (IOException e) {
        throw new AimlParsingError(e);
    }
    return new CommonTokenStream(lexer);
}

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