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