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 OnDemandImportDecl extends ImportDecl
023    {
024      public /*@ non_null @*/ Name pkgName;
025    
026    
027    
028    // Generated boilerplate constructors:
029    
030      /**
031       * Construct a raw OnDemandImportDecl whose class invariant(s) have not
032       * yet been established.  It is the caller's job to
033       * initialize the returned node's fields so that any
034       * class invariants hold.
035       */
036      //@ requires I_will_establish_invariants_afterwards;
037      protected OnDemandImportDecl() {}    //@ nowarn Invariant,NonNullInit;
038    
039    
040    // Generated boilerplate methods:
041    
042      public final int childCount() {
043         return 1;
044      }
045    
046      public final Object childAt(int index) {
047              /*throws IndexOutOfBoundsException*/
048         if (index < 0)
049            throw new IndexOutOfBoundsException("AST child index " + index);
050         int indexPre = index;
051    
052         int sz;
053    
054         if (index == 0) return this.pkgName;
055         else index--;
056    
057         throw new IndexOutOfBoundsException("AST child index " + indexPre);
058      }   //@ nowarn Exception;
059    
060      public final String toString() {
061         return "[OnDemandImportDecl"
062            + " loc = " + this.loc
063            + " pkgName = " + this.pkgName
064            + "]";
065      }
066    
067      public final int getTag() {
068         return TagConstants.ONDEMANDIMPORTDECL;
069      }
070    
071      public final void accept(Visitor v) { v.visitOnDemandImportDecl(this); }
072    
073      public final Object accept(VisitorArgResult v, Object o) {return v.visitOnDemandImportDecl(this, o); }
074    
075      public void check() {
076         super.check();
077         this.pkgName.check();
078      }
079    
080      //@ requires loc != javafe.util.Location.NULL;
081      //@ ensures \result != null;
082      public static OnDemandImportDecl make(int loc, /*@ non_null @*/ Name pkgName) {
083         //@ set I_will_establish_invariants_afterwards = true;
084         OnDemandImportDecl result = new OnDemandImportDecl();
085         result.loc = loc;
086         result.pkgName = pkgName;
087         return result;
088      }
089    }