Examples of fri.patterns.interpreter.parsergenerator.ParserTables

Package fri.patterns.interpreter.parsergenerator

Examples of fri.patterns.interpreter.parsergenerator.ParserTables

fri.patterns.interpreter.parsergenerator.ParserTables
Responsibilities of (bottom-up) parser tables, that must provide:
- all terminals, without EPSILON (for the Lexer)
- the syntax
- the follow-state from the GOTO-table
- the follow action from the PARSE-ACTION-table
- a list of expected terminals
@author (c) 2000, Fritz Ritzberger

  public static void main(String [] args)  {
    try  {
      File syntaxFile = new File("fri/patterns/interpreter/parsergenerator/syntax/builder/examples/SyntaxBuilder.syntax");
      Syntax syntax = new fri.patterns.interpreter.parsergenerator.syntax.builder.SyntaxBuilder(syntaxFile).getParserSyntax();
      fri.util.TimeStopper ts = new fri.util.TimeStopper();
      ParserTables parserTables = new SerializedTables().get(syntax, "SyntaxBuilder");
      System.err.println("ParserTables were built in "+ts.getTimeMillis()+" millis");
    }
    catch (Exception e)  {
      e.printStackTrace();
    }

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  {
    SyntaxSeparation separation = new SyntaxSeparation(new Syntax(syntax));  // separate lexer and parser syntax
    LexerBuilder builder = new LexerBuilder(separation.getLexerSyntax(), separation.getIgnoredSymbols());  // build a Lexer
    Lexer lexer = builder.getLexer();
    lexer.setInput("\tHello \r\n\tWorld\n");  // give the lexer some very complex input :-)
    ParserTables parserTables = new SLRParserTables(separation.getParserSyntax());
    Parser parser = new Parser(parserTables);
    parser.parse(lexer, new PrintSemantic());  // start parsing with a print-semantic
  }

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Related Classes of fri.patterns.interpreter.parsergenerator.ParserTables

fri.patterns.interpreter.parsergenerator.builder.SerializedTables

fri.patterns.interpreter.parsergenerator.examples.HelloWorldParser

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