    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    }