Package org.rascalmpl.test.parser

Source Code of org.rascalmpl.test.parser.CharStarList

/*******************************************************************************
* Copyright (c) 2009-2011 CWI
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:

*   * Jurgen J. Vinju - Jurgen.Vinju@cwi.nl - CWI
*   * Arnold Lankamp - Arnold.Lankamp@cwi.nl
*******************************************************************************/
package org.rascalmpl.test.parser;

import java.io.IOException;
import java.io.StringReader;

import org.eclipse.imp.pdb.facts.IConstructor;
import org.eclipse.imp.pdb.facts.ISourceLocation;
import org.eclipse.imp.pdb.facts.IValue;
import org.eclipse.imp.pdb.facts.io.StandardTextReader;
import org.rascalmpl.parser.gtd.SGTDBF;
import org.rascalmpl.parser.gtd.result.out.DefaultNodeFlattener;
import org.rascalmpl.parser.gtd.stack.AbstractStackNode;
import org.rascalmpl.parser.gtd.stack.CharStackNode;
import org.rascalmpl.parser.gtd.stack.ListStackNode;
import org.rascalmpl.parser.gtd.stack.NonTerminalStackNode;
import org.rascalmpl.parser.uptr.UPTRNodeFactory;
import org.rascalmpl.values.ValueFactoryFactory;
import org.rascalmpl.values.uptr.Factory;

/*
S ::= [a-z]*
*/
@SuppressWarnings({"unchecked", "cast"})
public class CharStarList extends SGTDBF<IConstructor, IConstructor, ISourceLocation> implements IParserTest{
  private final static IConstructor SYMBOL_START_S = VF.constructor(Factory.Symbol_Sort, VF.string("S"));
  private final static IConstructor SYMBOL_char_a_z = VF.constructor(Factory.Symbol_CharClass, VF.list(VF.constructor(Factory.CharRange_Range, VF.integer(97), VF.integer(122))));
  private final static IConstructor SYMBOL_STAR_LIST_a_z = VF.constructor(Factory.Symbol_IterStar, SYMBOL_char_a_z);
 
  private final static IConstructor PROD_S_STARLISTa_z = VF.constructor(Factory.Production_Default,  SYMBOL_START_S, VF.list(SYMBOL_STAR_LIST_a_z), VF.set());
  private final static IConstructor PROD_STARLISTa_z = VF.constructor(Factory.Production_Regular, SYMBOL_STAR_LIST_a_z);
 
  private final static AbstractStackNode<IConstructor> NONTERMINAL_START_S = new NonTerminalStackNode<IConstructor>(AbstractStackNode.START_SYMBOL_ID, 0, "S");
  private final static AbstractStackNode<IConstructor> CHAR0 = new CharStackNode<IConstructor>(0, 0, new int[][]{{'a', 'z'}});
  private final static AbstractStackNode<IConstructor> LIST1 = new ListStackNode<IConstructor>(1, 0, PROD_STARLISTa_z, CHAR0, false);
 
  private final static AbstractStackNode<IConstructor>[] S_EXPECT_1 = (AbstractStackNode<IConstructor>[]) new AbstractStackNode[1];
  static{
    S_EXPECT_1[0] = LIST1;
    S_EXPECT_1[0].setProduction(S_EXPECT_1);
    S_EXPECT_1[0].setAlternativeProduction(PROD_S_STARLISTa_z);
  }
 
  public CharStarList(){
    super();
  }
 
  public AbstractStackNode<IConstructor>[] S(){
    return (AbstractStackNode<IConstructor>[]) new AbstractStackNode[]{S_EXPECT_1[0]};
  }
 
  public IConstructor executeParser(){
    return parse(NONTERMINAL_START_S, null, "abc".toCharArray(), new DefaultNodeFlattener<IConstructor, IConstructor, ISourceLocation>(), new UPTRNodeFactory());
  }
 
  public IValue getExpectedResult() throws IOException{
    String expectedInput = "appl(prod(sort(\"S\"),[\\iter-star(\\char-class([range(97,122)]))],{}),[appl(regular(\\iter-star(\\char-class([range(97,122)]))),[char(97),char(98),char(99)])])";
    return new StandardTextReader().read(ValueFactoryFactory.getValueFactory(), Factory.uptr, Factory.Tree, new StringReader(expectedInput));
  }

  public static void main(String[] args){
    CharStarList csl = new CharStarList();
    IConstructor result = csl.executeParser();
    System.out.println(result);
   
    System.out.println("S([a-z]*([a-z](a),[a-z](b),[a-z](c))) <- good");
  }
}
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