Examples of org.antlr.runtime.ANTLRFileStream

org.antlr.runtime.ANTLRFileStream
This is a char buffer stream that is loaded from a file all at once when you construct the object. This looks very much like an ANTLReader or ANTLRInputStream, but it's a special case since we know the exact size of the object to load. We can avoid lots of data copying.

/*
      if ( lexer==null ) {
        lexer = new JavaLexer((org.antlr.runtime.CharStream)null);
      }
*/
      lexer = new JavaLexer(new ANTLRFileStream(f));
      CommonTokenStream tokens = new CommonTokenStream();
      tokens.setTokenSource(lexer);


/*
  for (Object t : tokens.getTokens()) {

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public class Main {
    public static void main(String... args) throws Exception {
        String filePath = args[0];
        String toDir = args.length > 1? args[1] :
                new File(new File(filePath).getParentFile(), "gen").getAbsolutePath();
        GrammarLexer lex = new GrammarLexer(new ANTLRFileStream(filePath));
        CommonTokenStream tokens = new CommonTokenStream(lex);
        GrammarParser parser = new GrammarParser(tokens);


        CommonTree tree = parser.file().tree;
        System.out.println(dumpTree(tree, new StringBuilder(), 0));

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  public static void main(String[] args) {
    if (args.length == 0) {
      // To do: write usage
    }
    else try {
      ANTLRFileStream input = new ANTLRFileStream(args[0]);
      YANLLexer lexer = new YANLLexer(input);
      
      CommonTokenStream tokens = new CommonTokenStream (lexer);
      YANLParser parser = new YANLParser(tokens);

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  }


  private RutaModule loadScript(String scriptLocation, TypeSystemDescription localTSD)
          throws IOException, RecognitionException {
    File scriptFile = new File(scriptLocation);
    CharStream st = new ANTLRFileStream(scriptLocation, scriptEncoding);
    RutaLexer lexer = new RutaLexer(st);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    RutaParser parser = new RutaParser(tokens);
    parser.setLocalTSD(localTSD);
    parser.setExternalFactory(factory);

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    }
  }


  private RutaModule loadScript(String scriptLocation) throws IOException, RecognitionException {
    File scriptFile = new File(scriptLocation);
    CharStream st = new ANTLRFileStream(scriptLocation, scriptEncoding);
    RutaLexer lexer = new RutaLexer(st);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    RutaParser parser = new RutaParser(tokens);
    parser.setExternalFactory(factory);
    parser.setResourcePaths(resourcePaths);

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    public PythonTree parse(String[] args) throws Exception {
        PythonTree result = null;
        //ErrorHandler eh = new ListErrorHandler();
        ErrorHandler eh = new FailFastHandler();
        CharStream input = new ANTLRFileStream(args[0]);
        PythonLexer lexer = new PythonLexer(input);
        lexer.setErrorHandler(eh);
        CommonTokenStream tokens = new CommonTokenStream(lexer);
        PythonTokenSource indentedSource = new PythonTokenSource(tokens, args[0]);
        tokens = new CommonTokenStream(indentedSource);

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public class PythonPartialTester {


  public void parse(String[] args) throws Exception {
        try {
            PythonTree result = null;
            CharStream input = new ANTLRFileStream(args[0]);
            PythonPartialLexer lexer = new PythonPartialLexer(input);
            CommonTokenStream tokens = new CommonTokenStream(lexer);
            PythonTokenSource indentedSource = new PythonTokenSource(tokens, "<test>");
            tokens = new CommonTokenStream(indentedSource);
            PythonPartialParser parser = new PythonPartialParser(tokens);

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    }


    public static void main(String[] args) {
        CharStream in = null;
        try {
            in = new ANTLRFileStream(args[0]);
        } catch (Exception x) {
            x.printStackTrace();
        }
        AnalyzingParser p = new AnalyzingParser(in, args[0], "ascii");
        mod ast = p.parseModule();

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    }


    private mod invokeANTLR(String filename) {
        CharStream text = null;
        try {
            text = new ANTLRFileStream(filename);
        } catch (IOException iox) {
            fine(filename + ": " + iox);
            return null;
        }
        return invokeANTLR(text, filename);

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  public static void checkGrammar (String grammarFilePath) throws IOException, RecognitionException {
    System.err.println("Checking grammar..");
    //====== Syntax check
//    System.err.println("===============");
//    System.err.println("Syntax");
    FTLSyntaxLexer lex = new FTLSyntaxLexer(new ANTLRFileStream(grammarFilePath));
        CommonTokenStream tokens = new CommonTokenStream(lex);
        FTLSyntaxParser parser = new FTLSyntaxParser (tokens);
        FTLSyntaxParser.root_return r = parser.root();        
        
    //====== Sort top levels

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