X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=Robust%2Fcup%2Fjava_cup%2Flalr_transition.java;fp=Robust%2Fcup%2Fjava_cup%2Flalr_transition.java;h=0000000000000000000000000000000000000000;hb=refs%2Ftags%2Fbuildscript;hp=1c941bd9ebc3094436cd37f0d7636f0ed3c42a2c;hpb=84e434cf05530d0b929a849e5c54da93d595381a;p=IRC.git

diff --git a/Robust/cup/java_cup/lalr_transition.java b/Robust/cup/java_cup/lalr_transition.java
deleted file mode 100644
index 1c941bd9..00000000
--- a/Robust/cup/java_cup/lalr_transition.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package java_cup;
-
-/** This class represents a transition in an LALR viable prefix recognition 
- *  machine.  Transitions can be under terminals for non-terminals.  They are
- *  internally linked together into singly linked lists containing all the 
- *  transitions out of a single state via the _next field.
- *
- * @see     java_cup.lalr_state
- * @version last updated: 11/25/95
- * @author  Scott Hudson
- *
- */
-public class lalr_transition {
-
-  /*-----------------------------------------------------------*/
-  /*--- Constructor(s) ----------------------------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** Full constructor.
-   * @param on_sym  symbol we are transitioning on.
-   * @param to_st   state we transition to.
-   * @param nxt     next transition in linked list.
-   */
-  public lalr_transition(symbol on_sym, lalr_state to_st, lalr_transition nxt)
-    throws internal_error
-    {
-      /* sanity checks */
-      if (on_sym == null)
-	throw new internal_error("Attempt to create transition on null symbol");
-      if (to_st == null)
-	throw new internal_error("Attempt to create transition to null state");
-
-      /* initialize */
-      _on_symbol = on_sym;
-      _to_state  = to_st;
-      _next      = nxt;
-    }
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Constructor with null next. 
-   * @param on_sym  symbol we are transitioning on.
-   * @param to_st   state we transition to.
-   */
-  public lalr_transition(symbol on_sym, lalr_state to_st) throws internal_error
-    {
-      this(on_sym, to_st, null);
-    }
-
-  /*-----------------------------------------------------------*/
-  /*--- (Access to) Instance Variables ------------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** The symbol we make the transition on. */
-  protected symbol _on_symbol;
-
-  /** The symbol we make the transition on. */
-  public symbol on_symbol() {return _on_symbol;}
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** The state we transition to. */
-  protected lalr_state _to_state;
-
-  /** The state we transition to. */
-  public lalr_state to_state() {return _to_state;}
-
-  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
-
-  /** Next transition in linked list of transitions out of a state */
-  protected lalr_transition _next;
-
-  /** Next transition in linked list of transitions out of a state */
-  public lalr_transition next() {return _next;}
-
-  /*-----------------------------------------------------------*/
-  /*--- General Methods ---------------------------------------*/
-  /*-----------------------------------------------------------*/
-
-  /** Convert to a string. */
-  public String toString()
-    {
-      String result;
-
-      result = "transition on " + on_symbol().name() + " to state [";
-      result += _to_state.index();
-      result += "]";
-
-      return result;
-    }
-
-  /*-----------------------------------------------------------*/
-}