Package org.rascalmpl.test.parser

Source Code of org.rascalmpl.test.parser.Ambiguous2

/*******************************************************************************
* 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.LiteralStackNode;
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 ::= Aab | bab
A ::= B
B ::= b
*/
@SuppressWarnings({"unchecked", "cast"})
public class Ambiguous2 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_A = VF.constructor(Factory.Symbol_Sort, VF.string("A"));
  private final static IConstructor SYMBOL_B = VF.constructor(Factory.Symbol_Sort, VF.string("B"));
  private final static IConstructor SYMBOL_b = VF.constructor(Factory.Symbol_Lit, VF.string("b"));
  private final static IConstructor SYMBOL_ab = VF.constructor(Factory.Symbol_Lit, VF.string("ab"));
  private final static IConstructor SYMBOL_bab = VF.constructor(Factory.Symbol_Lit, VF.string("bab"));
  private final static IConstructor SYMBOL_char_a = VF.constructor(Factory.Symbol_CharClass, VF.list(VF.constructor(Factory.CharRange_Single, VF.integer(97))));
  private final static IConstructor SYMBOL_char_b = VF.constructor(Factory.Symbol_CharClass, VF.list(VF.constructor(Factory.CharRange_Single, VF.integer(98))));
 
  private final static IConstructor PROD_S_Aab = VF.constructor(Factory.Production_Default,  SYMBOL_START_S, VF.list(SYMBOL_A, SYMBOL_ab), VF.set());
  private final static IConstructor PROD_S_bab = VF.constructor(Factory.Production_Default,  SYMBOL_START_S, VF.list(SYMBOL_bab), VF.set());
  private final static IConstructor PROD_A_B = VF.constructor(Factory.Production_Default,  SYMBOL_A, VF.list(SYMBOL_B), VF.set());
  private final static IConstructor PROD_B_b = VF.constructor(Factory.Production_Default,  SYMBOL_B, VF.list(SYMBOL_b), VF.set());
  private final static IConstructor PROD_b_b = VF.constructor(Factory.Production_Default,  SYMBOL_b, VF.list(SYMBOL_char_b), VF.set());
  private final static IConstructor PROD_ab_ab = VF.constructor(Factory.Production_Default,  SYMBOL_ab, VF.list(SYMBOL_char_b, SYMBOL_char_a, SYMBOL_char_b), VF.set());
  private final static IConstructor PROD_bab_bab = VF.constructor(Factory.Production_Default,  SYMBOL_bab, VF.list(SYMBOL_char_b, SYMBOL_char_a, SYMBOL_char_b), VF.set());
 
  private final static AbstractStackNode<IConstructor> NONTERMINAL_START_S = new NonTerminalStackNode<IConstructor>(AbstractStackNode.START_SYMBOL_ID, 0, "S");
  private final static AbstractStackNode<IConstructor> NONTERMINAL_A0 = new NonTerminalStackNode<IConstructor>(0, 0, "A");
  private final static AbstractStackNode<IConstructor> NONTERMINAL_B1 = new NonTerminalStackNode<IConstructor>(1, 0, "B");
  private final static AbstractStackNode<IConstructor> LITERAL_b2 = new LiteralStackNode<IConstructor>(2, 0, PROD_b_b, new int[]{'b'});
  private final static AbstractStackNode<IConstructor> LITERAL_ab3 = new LiteralStackNode<IConstructor>(3, 1, PROD_ab_ab, new int[]{'a','b'});
  private final static AbstractStackNode<IConstructor> LITERAL_bab4 = new LiteralStackNode<IConstructor>(4, 0, PROD_bab_bab, new int[]{'b','a','b'});
 
  private final static AbstractStackNode<IConstructor>[] S_EXPECT_1 = (AbstractStackNode<IConstructor>[]) new AbstractStackNode[2];
  static{
    S_EXPECT_1[0] = NONTERMINAL_A0;
    S_EXPECT_1[0].setProduction(S_EXPECT_1);
    S_EXPECT_1[1] = LITERAL_ab3;
    S_EXPECT_1[1].setProduction(S_EXPECT_1);
    S_EXPECT_1[1].setAlternativeProduction(PROD_S_Aab);
  }
 
  private final static AbstractStackNode<IConstructor>[] S_EXPECT_2 = (AbstractStackNode<IConstructor>[]) new AbstractStackNode[1];
  static{
    S_EXPECT_2[0] = LITERAL_bab4;
    S_EXPECT_2[0].setProduction(S_EXPECT_2);
    S_EXPECT_2[0].setAlternativeProduction(PROD_S_bab);
  }
 
  private final static AbstractStackNode<IConstructor>[] A_EXPECT_1 = (AbstractStackNode<IConstructor>[]) new AbstractStackNode[1];
  static{
    A_EXPECT_1[0] = NONTERMINAL_B1;
    A_EXPECT_1[0].setProduction(A_EXPECT_1);
    A_EXPECT_1[0].setAlternativeProduction(PROD_A_B);
  }
 
  private final static AbstractStackNode<IConstructor>[] B_EXPECT_1 = (AbstractStackNode<IConstructor>[]) new AbstractStackNode[1];
  static{
    B_EXPECT_1[0] = LITERAL_b2;
    B_EXPECT_1[0].setProduction(B_EXPECT_1);
    B_EXPECT_1[0].setAlternativeProduction(PROD_B_b);
  }
 
  public Ambiguous2(){
    super();
  }
 
  public AbstractStackNode<IConstructor>[] S(){
    return (AbstractStackNode<IConstructor>[]) new AbstractStackNode[]{S_EXPECT_1[0], S_EXPECT_2[0]};
  }
 
  public AbstractStackNode<IConstructor>[] A(){
    return (AbstractStackNode<IConstructor>[]) new AbstractStackNode[]{A_EXPECT_1[0]};
  }
 
  public AbstractStackNode<IConstructor>[] B(){
    return (AbstractStackNode<IConstructor>[]) new AbstractStackNode[]{B_EXPECT_1[0]};
  }
 
  public IConstructor executeParser(){
    return parse(NONTERMINAL_START_S, null, "bab".toCharArray(), new DefaultNodeFlattener<IConstructor, IConstructor, ISourceLocation>(), new UPTRNodeFactory());
  }
 
  public IValue getExpectedResult() throws IOException{
    String expectedInput = "amb({appl(prod(sort(\"S\"),[sort(\"A\"),lit(\"ab\")],{}),[appl(prod(sort(\"A\"),[sort(\"B\")],{}),[appl(prod(sort(\"B\"),[lit(\"b\")],{}),[appl(prod(lit(\"b\"),[\\char-class([single(98)])],{}),[char(98)])])]),appl(prod(lit(\"ab\"),[\\char-class([single(98)]),\\char-class([single(97)]),\\char-class([single(98)])],{}),[char(97),char(98)])]),appl(prod(sort(\"S\"),[lit(\"bab\")],{}),[appl(prod(lit(\"bab\"),[\\char-class([single(98)]),\\char-class([single(97)]),\\char-class([single(98)])],{}),[char(98),char(97),char(98)])])})";
    return new StandardTextReader().read(ValueFactoryFactory.getValueFactory(), Factory.uptr, Factory.Tree, new StringReader(expectedInput));
  }

  public static void main(String[] args){
    Ambiguous2 a2 = new Ambiguous2();
    IConstructor result = a2.executeParser();
    System.out.println(result);
   
    System.out.println("[S(bab),S(A(B(b)),ab)] <- good");
  }
}
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