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