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    //// Guarded commands
031    
032    public abstract class GuardedCmd extends ASTNode
033    { 
034    
035    // Generated boilerplate constructors:
036    
037       /**
038        * Construct a raw GuardedCmd whose class invariant(s) have not
039        * yet been established.  It is the caller's job to
040        * initialize the returned node's fields so that any
041        * class invariants hold.
042        */
043    
044       
045    
046    // Generated boilerplate methods:
047    
048       /** Return the number of children a node has. */
049       public abstract int childCount();
050    
051       /** Return the first-but-ith child of a node. */
052       public abstract Object childAt(int i);
053    
054       /** Return the tag of a node. */
055       public abstract int getTag();
056    
057       /** Return a string representation of <code>this</code>.
058       Meant for debugging use only, not for presentation. */
059       public abstract String toString();
060    
061       /** Accept a visit from <code>v</code>.  This method simply
062       calls the method of <code>v</code> corresponding to the
063       allocated type of <code>this</code>, passing <code>this</code>
064       as the argument.  See the design patterns book. */
065       public abstract void accept(javafe.ast.Visitor v);
066    
067    public abstract Object accept(javafe.ast.VisitorArgResult v, Object o);
068    
069       public void check() {
070       }
071    
072    }