    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 javafe.ast;
    013
    014    import javafe.util.Assert;
    015    import javafe.util.Location;
    016    import javafe.util.ErrorSet;
    017
    018    // Convention: unless otherwise noted, integer fields named "loc" refer
    019    // to the location of the first character of the syntactic unit
    020
    021
    022    public class BreakStmt extends BranchStmt
    023    {
    024
    025    // Generated boilerplate constructors:
    026
    027       /**
    028        * Construct a raw BreakStmt whose class invariant(s) have not
    029        * yet been established.  It is the caller's job to
    030        * initialize the returned node's fields so that any
    031        * class invariants hold.
    032        */
    033       //@ requires I_will_establish_invariants_afterwards;
    034       protected BreakStmt() {}    //@ nowarn Invariant,NonNullInit;
    035
    036
    037    // Generated boilerplate methods:
    038
    039       public final int childCount() {
    040          return 1;
    041       }
    042
    043       public final Object childAt(int index) {
    044               /*throws IndexOutOfBoundsException*/
    045          if (index < 0)
    046             throw new IndexOutOfBoundsException("AST child index " + index);
    047          int indexPre = index;
    048
    049          int sz;
    050
    051          if (index == 0) return this.label;
    052          else index--;
    053
    054          throw new IndexOutOfBoundsException("AST child index " + indexPre);
    055       }   //@ nowarn Exception;
    056
    057       public final String toString() {
    058          return "[BreakStmt"
    059             + " label = " + this.label
    060             + " loc = " + this.loc
    061             + "]";
    062       }
    063
    064       public final int getTag() {
    065          return TagConstants.BREAKSTMT;
    066       }
    067
    068       public final void accept(Visitor v) { v.visitBreakStmt(this); }
    069
    070       public final Object accept(VisitorArgResult v, Object o) {return v.visitBreakStmt(this, o); }
    071
    072       public void check() {
    073          super.check();
    074       }
    075
    076       //@ requires loc != javafe.util.Location.NULL;
    077       //@ ensures \result != null;
    078       public static BreakStmt make(Identifier label, int loc) {
    079          //@ set I_will_establish_invariants_afterwards = true;
    080          BreakStmt result = new BreakStmt();
    081          result.label = label;
    082          result.loc = loc;
    083          return result;
    084       }
    085    }