Removed old grammar source files

1 files changed, 0 insertions, 272 deletions

diff --git a/src/syntaxParser/java_cup/terminal_set.java b/src/syntaxParser/java_cup/terminal_set.java
deleted file mode 100644
index 56ec4d7..0000000
--- a/src/syntaxParser/java_cup/terminal_set.java
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * This file is part of Petascope.
- *
- * Petascope is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation, either version 3 of
- * the License, or (at your option) any later version.
- *
- * Petascope is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Petascope. If not, see <http://www.gnu.org/licenses/>.
- *
- * For more information please see <http://www.Petascope.org>
- * or contact Peter Baumann via <baumann@rasdaman.com>.
- *
- * Copyright 2009 Jacobs University Bremen, Peter Baumann.
- */
-
-package java_cup;
-
-import java.util.BitSet;
-
-/** A set of terminals implemented as a bitset. 
- */
-public class terminal_set {
-
-  /*-----------------------------------------------------------*/
-  /*--- Constructor(s) ----------------------------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** Constructor for an empty set. */
-  public terminal_set() 
-    { 
-      /* allocate the bitset at what is probably the right size */
-      _elements = new BitSet(terminal.number());
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Constructor for cloning from another set. 
-   * @param other the set we are cloning from.
-   */
-  public terminal_set(terminal_set other) 
-    throws internal_error
-    {
-      not_null(other);
-      _elements = (BitSet)other._elements.clone();
-    }
-
-  /*-----------------------------------------------------------*/
-  /*--- (Access to) Static (Class) Variables ------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** Constant for the empty set. */
-  public static final terminal_set EMPTY = new terminal_set();
-
-  /*-----------------------------------------------------------*/
-  /*--- (Access to) Instance Variables ------------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** Bitset to implement the actual set. */
-  protected BitSet _elements;
-
-  /*-----------------------------------------------------------*/
-  /*--- General Methods ----------------------------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** Helper function to test for a null object and throw an exception if
-   *  one is found. 
-   * @param obj the object we are testing.
-   */
-  protected void not_null(Object obj) throws internal_error
-    {
-      if (obj == null) 
-	throw new internal_error("Null object used in set operation");
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Determine if the set is empty. */
-  public boolean empty()
-    {
-      return equals(EMPTY);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Determine if the set contains a particular terminal. 
-   * @param sym the terminal symbol we are looking for.
-   */
-  public boolean contains(terminal sym) 
-    throws internal_error
-    {
-      not_null(sym); 
-      return _elements.get(sym.index());
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Given its index determine if the set contains a particular terminal. 
-   * @param indx the index of the terminal in question.
-   */
-  public boolean contains(int indx) 
-    {
-      return _elements.get(indx);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Determine if this set is an (improper) subset of another.
-   * @param other the set we are testing against.
-   */
-  public boolean is_subset_of(terminal_set other)
-    throws internal_error
-    {
-      not_null(other);
-
-      /* make a copy of the other set */
-      BitSet copy_other = (BitSet)other._elements.clone();
-
-      /* and or in */
-      copy_other.or(_elements);
-
-      /* if it hasn't changed, we were a subset */
-      return copy_other.equals(other._elements);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Determine if this set is an (improper) superset of another.
-   * @param other the set we are testing against.
-   */
-  public boolean is_superset_of(terminal_set other)
-    throws internal_error
-    {
-      not_null(other);
-      return other.is_subset_of(this);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Add a single terminal to the set.  
-   * @param sym the terminal being added.
-   * @return true if this changes the set.
-   */
-  public boolean add(terminal sym) 
-    throws internal_error
-    {
-      boolean result;
-
-      not_null(sym); 
-
-      /* see if we already have this */ 
-      result = _elements.get(sym.index());
-
-      /* if not we add it */
-      if (!result)
-	_elements.set(sym.index());
-
-      return result;
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Remove a terminal if it is in the set.
-   * @param sym the terminal being removed.
-   */
-  public void remove(terminal sym) 
-    throws internal_error
-    {
-      not_null(sym); 
-      _elements.clear(sym.index());
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Add (union) in a complete set.  
-   * @param other the set being added.
-   * @return true if this changes the set.
-   */
-  public boolean add(terminal_set other)
-    throws internal_error
-    {
-      not_null(other);
-
-      /* make a copy */
-      BitSet copy = (BitSet)_elements.clone();
-
-      /* or in the other set */
-      _elements.or(other._elements);
-
-      /* changed if we are not the same as the copy */
-      return !_elements.equals(copy);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Determine if this set intersects another.
-   * @param other the other set in question.
-   */
-   public boolean intersects(terminal_set other)
-     throws internal_error
-     {
-       not_null(other);
-
-       /* make a copy of the other set */
-       BitSet copy = (BitSet)other._elements.clone();
-
-       /* xor out our values */
-       copy.xor(this._elements);
-
-       /* see if its different */
-       return !copy.equals(other._elements);
-     }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Equality comparison. */
-  public boolean equals(terminal_set other)
-    {
-      if (other == null) 
-	return false;
-      else
-	return _elements.equals(other._elements);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Generic equality comparison. */
-  public boolean equals(Object other)
-    {
-      if (!(other instanceof terminal_set))
-	return false;
-      else
-	return equals((terminal_set)other);
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Convert to string. */
-  public String toString()
-    {
-      String result;
-      boolean comma_flag;
-      
-      result = "{";
-      comma_flag = false;
-      for (int t = 0; t < terminal.number(); t++)
-	{
-	  if (_elements.get(t))
-	    {
-	      if (comma_flag)
-	        result += ", ";
-	      else
-	        comma_flag = true;
-
-	      result += terminal.find(t).name();
-	    }
-	}
-      result += "}";
-
-      return result;
-    }
-
-  /*-----------------------------------------------------------*/
-
-}
-