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