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 DynInstCmd extends GuardedCmd
031    {
032      // denotes DynamicInstanceCommand s IN g END.
033      public /*@ non_null @*/ String s;
034    
035      public /*@ non_null @*/ GuardedCmd g;
036    
037    
038      public int getStartLoc() { return g.getStartLoc(); }
039      public int getEndLoc() { return g.getEndLoc(); }
040    
041    
042    // Generated boilerplate constructors:
043    
044      /**
045       * Construct a raw DynInstCmd whose class invariant(s) have not
046       * yet been established.  It is the caller's job to
047       * initialize the returned node's fields so that any
048       * class invariants hold.
049       */
050      //@ requires I_will_establish_invariants_afterwards;
051      protected DynInstCmd() {}    //@ nowarn Invariant,NonNullInit;
052    
053    
054    // Generated boilerplate methods:
055    
056      public final int childCount() {
057         return 2;
058      }
059    
060      public final Object childAt(int index) {
061              /*throws IndexOutOfBoundsException*/
062         if (index < 0)
063            throw new IndexOutOfBoundsException("AST child index " + index);
064         int indexPre = index;
065    
066         int sz;
067    
068         if (index == 0) return this.s;
069         else index--;
070    
071         if (index == 0) return this.g;
072         else index--;
073    
074         throw new IndexOutOfBoundsException("AST child index " + indexPre);
075      }   //@ nowarn Exception;
076    
077      public final String toString() {
078         return "[DynInstCmd"
079            + " s = " + this.s
080            + " g = " + this.g
081            + "]";
082      }
083    
084      public final int getTag() {
085         return TagConstants.DYNINSTCMD;
086      }
087    
088      public final void accept(javafe.ast.Visitor v) { 
089        if (v instanceof Visitor) ((Visitor)v).visitDynInstCmd(this);
090      }
091    
092      public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 
093        if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitDynInstCmd(this, o); else return null;
094      }
095    
096      public void check() {
097         super.check();
098         if (this.s == null) throw new RuntimeException();
099         this.g.check();
100      }
101    
102      //@ ensures \result != null;
103      public static DynInstCmd make(/*@ non_null @*/ String s, /*@ non_null @*/ GuardedCmd g) {
104         //@ set I_will_establish_invariants_afterwards = true;
105         DynInstCmd result = new DynInstCmd();
106         result.s = s;
107         result.g = g;
108         return result;
109      }
110    }