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 DynInstCmd extends GuardedCmd
032    {
033      // denotes DynamicInstanceCommand s IN g END.
034      public /*@ non_null @*/ String s;
035    
036      public /*@ non_null @*/ GuardedCmd g;
037    
038    
039      //@ public represents startLoc <- g.getStartLoc();
040      public /*@ pure @*/ int getStartLoc() { return g.getStartLoc(); }
041      /*@ also
042        @ public normal_behavior
043        @ ensures \result == g.getEndLoc();
044        @*/
045      public /*@ pure @*/ int getEndLoc() { return g.getEndLoc(); }
046    
047    
048    // Generated boilerplate constructors:
049    
050      //@ ensures this.s == s;
051      //@ ensures this.g == g;
052      protected DynInstCmd(/*@ non_null @*/ String s, /*@ non_null @*/ GuardedCmd g) {
053         super();
054         this.s = s;
055         this.g = g;
056      }
057    
058    // Generated boilerplate methods:
059    
060      public final int childCount() {
061         return 2;
062      }
063    
064      public final Object childAt(int index) {
065              /*throws IndexOutOfBoundsException*/
066         if (index < 0)
067            throw new IndexOutOfBoundsException("AST child index " + index);
068         int indexPre = index;
069    
070         int sz;
071    
072         if (index == 0) return this.s;
073         else index--;
074    
075         if (index == 0) return this.g;
076         else index--;
077    
078         throw new IndexOutOfBoundsException("AST child index " + indexPre);
079      }   //@ nowarn Exception;
080    
081      public final /*@non_null*/String toString() {
082         return "[DynInstCmd"
083            + " s = " + this.s
084            + " g = " + this.g
085            + "]";
086      }
087    
088      public final int getTag() {
089         return TagConstants.DYNINSTCMD;
090      }
091    
092      public final void accept(javafe.ast.Visitor v) { 
093        if (v instanceof Visitor) ((Visitor)v).visitDynInstCmd(this);
094      }
095    
096      public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 
097        if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitDynInstCmd(this, o); else return null;
098      }
099    
100      public void check() {
101         super.check();
102         if (this.s == null) throw new RuntimeException();
103         this.g.check();
104      }
105    
106      //@ ensures \result != null;
107      public static DynInstCmd make(/*@ non_null @*/ String s, /*@ non_null @*/ GuardedCmd g) {
108         DynInstCmd result = new DynInstCmd(s, g);
109         return result;
110      }
111    }