001    /* Copyright 2000, 2001, Compaq Computer Corporation */
002    
003    /* IF THIS IS A JAVA FILE, DO NOT EDIT IT!  
004    
005       Most Java files in this directory which are part of the Javafe AST
006       are automatically generated using the astgen comment (see
007       ESCTools/Javafe/astgen) from the input file 'hierarchy.h'.  If you
008       wish to modify AST classes or introduce new ones, modify
009       'hierarchy.j.'
010     */
011    
012    package escjava.ast;
013    
014    import java.util.Hashtable;
015    import java.util.Set;
016    import java.util.ArrayList;
017    
018    import javafe.ast.*;
019    import javafe.util.Assert;
020    import javafe.util.Location;
021    import escjava.ParsedRoutineSpecs;
022    
023    // Convention: unless otherwise noted, integer fields named "loc" refer
024    // to the location of the first character of the syntactic unit
025    
026    //# TagBase javafe.tc.TagConstants.LAST_TAG + 1
027    //# VisitorRoot javafe.ast.Visitor
028    
029    
030    public class LockSetExpr extends Expr
031    {
032      public int loc;
033    
034    
035      public int getStartLoc() { return loc; }
036    
037    
038    // Generated boilerplate constructors:
039    
040      /**
041       * Construct a raw LockSetExpr whose class invariant(s) have not
042       * yet been established.  It is the caller's job to
043       * initialize the returned node's fields so that any
044       * class invariants hold.
045       */
046      //@ requires I_will_establish_invariants_afterwards;
047      protected LockSetExpr() {}    //@ nowarn Invariant,NonNullInit;
048    
049    
050    // Generated boilerplate methods:
051    
052      public final int childCount() {
053         return 0;
054      }
055    
056      public final Object childAt(int index) {
057              /*throws IndexOutOfBoundsException*/
058         if (index < 0)
059            throw new IndexOutOfBoundsException("AST child index " + index);
060         int indexPre = index;
061    
062         int sz;
063    
064         throw new IndexOutOfBoundsException("AST child index " + indexPre);
065      }   //@ nowarn Exception;
066    
067      public final String toString() {
068         return "[LockSetExpr"
069            + " loc = " + this.loc
070            + "]";
071      }
072    
073      public final int getTag() {
074         return TagConstants.LOCKSETEXPR;
075      }
076    
077      public final void accept(javafe.ast.Visitor v) { 
078        if (v instanceof Visitor) ((Visitor)v).visitLockSetExpr(this);
079      }
080    
081      public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 
082        if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitLockSetExpr(this, o); else return null;
083      }
084    
085      public void check() {
086      }
087    
088      //@ ensures \result != null;
089      public static LockSetExpr make(int loc) {
090         //@ set I_will_establish_invariants_afterwards = true;
091         LockSetExpr result = new LockSetExpr();
092         result.loc = loc;
093         return result;
094      }
095    }