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