    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 NumericalQuantifiedExpr extends GCExpr
    031    {
    032      // NumOf
    033      public int quantifier;
    034
    035      public /*@ non_null @*/ GenericVarDeclVec vars;
    036
    037      public /*@ non_null @*/ Expr rangeExpr;
    038
    039      public /*@ non_null @*/ Expr expr;
    040
    041      public ExprVec nopats;
    042
    043
    044      public final int getTag() { return quantifier; }
    045
    046      private void postCheck() {
    047        boolean goodtag =
    048          (quantifier == TagConstants.NUM_OF);
    049        Assert.notFalse(goodtag);
    050      }
    051
    052
    053    // Generated boilerplate constructors:
    054
    055      /**
    056       * Construct a raw NumericalQuantifiedExpr whose class invariant(s) have not
    057       * yet been established.  It is the caller's job to
    058       * initialize the returned node's fields so that any
    059       * class invariants hold.
    060       */
    061      //@ requires I_will_establish_invariants_afterwards;
    062      protected NumericalQuantifiedExpr() {}    //@ nowarn Invariant,NonNullInit;
    063
    064
    065    // Generated boilerplate methods:
    066
    067      public final int childCount() {
    068         int sz = 0;
    069         if (this.vars != null) sz += this.vars.size();
    070         if (this.nopats != null) sz += this.nopats.size();
    071         return sz + 2;
    072      }
    073
    074      public final Object childAt(int index) {
    075              /*throws IndexOutOfBoundsException*/
    076         if (index < 0)
    077            throw new IndexOutOfBoundsException("AST child index " + index);
    078         int indexPre = index;
    079
    080         int sz;
    081
    082         sz = (this.vars == null ? 0 : this.vars.size());
    083         if (0 <= index && index < sz)
    084            return this.vars.elementAt(index);
    085         else index -= sz;
    086
    087         if (index == 0) return this.rangeExpr;
    088         else index--;
    089
    090         if (index == 0) return this.expr;
    091         else index--;
    092
    093         sz = (this.nopats == null ? 0 : this.nopats.size());
    094         if (0 <= index && index < sz)
    095            return this.nopats.elementAt(index);
    096         else index -= sz;
    097
    098         throw new IndexOutOfBoundsException("AST child index " + indexPre);
    099      }   //@ nowarn Exception;
    100
    101      public final String toString() {
    102         return "[NumericalQuantifiedExpr"
    103            + " sloc = " + this.sloc
    104            + " eloc = " + this.eloc
    105            + " quantifier = " + this.quantifier
    106            + " vars = " + this.vars
    107            + " rangeExpr = " + this.rangeExpr
    108            + " expr = " + this.expr
    109            + " nopats = " + this.nopats
    110            + "]";
    111      }
    112
    113      public final void accept(javafe.ast.Visitor v) {
    114        if (v instanceof Visitor) ((Visitor)v).visitNumericalQuantifiedExpr(this);
    115      }
    116
    117      public final Object accept(javafe.ast.VisitorArgResult v, Object o) {
    118        if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitNumericalQuantifiedExpr(this, o); else return null;
    119      }
    120
    121      public void check() {
    122         super.check();
    123         for(int i = 0; i < this.vars.size(); i++)
    124            this.vars.elementAt(i).check();
    125         this.rangeExpr.check();
    126         this.expr.check();
    127         if (this.nopats != null)
    128            for(int i = 0; i < this.nopats.size(); i++)
    129               this.nopats.elementAt(i).check();
    130         postCheck();
    131      }
    132
    133      //@ ensures \result != null;
    134      public static NumericalQuantifiedExpr make(int sloc, int eloc, int quantifier, /*@ non_null @*/ GenericVarDeclVec vars, /*@ non_null @*/ Expr rangeExpr, /*@ non_null @*/ Expr expr, ExprVec nopats) {
    135         //@ set I_will_establish_invariants_afterwards = true;
    136         NumericalQuantifiedExpr result = new NumericalQuantifiedExpr();
    137         result.sloc = sloc;
    138         result.eloc = eloc;
    139         result.quantifier = quantifier;
    140         result.vars = vars;
    141         result.rangeExpr = rangeExpr;
    142         result.expr = expr;
    143         result.nopats = nopats;
    144         return result;
    145      }
    146    }