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    /**
023     * Represents a class literal (Type . class)
024     */
025    
026    public class ClassLiteral extends Expr
027    {
028      //@ invariant type.syntax;
029      public /*@ non_null @*/ Type type;
030    
031      //@ invariant locDot != javafe.util.Location.NULL;
032      public int locDot;
033    
034    
035      public int getStartLoc() {
036        return type.getStartLoc();
037      }
038    
039      public int getEndLoc() { 
040        return locDot;
041      }
042    
043    
044    // Generated boilerplate constructors:
045    
046      /**
047       * Construct a raw ClassLiteral whose class invariant(s) have not
048       * yet been established.  It is the caller's job to
049       * initialize the returned node's fields so that any
050       * class invariants hold.
051       */
052      //@ requires I_will_establish_invariants_afterwards;
053      protected ClassLiteral() {}    //@ nowarn Invariant,NonNullInit;
054    
055    
056    // Generated boilerplate methods:
057    
058      public final int childCount() {
059         return 1;
060      }
061    
062      public final Object childAt(int index) {
063              /*throws IndexOutOfBoundsException*/
064         if (index < 0)
065            throw new IndexOutOfBoundsException("AST child index " + index);
066         int indexPre = index;
067    
068         int sz;
069    
070         if (index == 0) return this.type;
071         else index--;
072    
073         throw new IndexOutOfBoundsException("AST child index " + indexPre);
074      }   //@ nowarn Exception;
075    
076      public final String toString() {
077         return "[ClassLiteral"
078            + " type = " + this.type
079            + " locDot = " + this.locDot
080            + "]";
081      }
082    
083      public final int getTag() {
084         return TagConstants.CLASSLITERAL;
085      }
086    
087      public final void accept(Visitor v) { v.visitClassLiteral(this); }
088    
089      public final Object accept(VisitorArgResult v, Object o) {return v.visitClassLiteral(this, o); }
090    
091      public void check() {
092         super.check();
093         this.type.check();
094      }
095    
096      //@ requires type.syntax;
097      //@ requires locDot != javafe.util.Location.NULL;
098      //@ ensures \result != null;
099      public static ClassLiteral make(/*@ non_null @*/ Type type, int locDot) {
100         //@ set I_will_establish_invariants_afterwards = true;
101         ClassLiteral result = new ClassLiteral();
102         result.type = type;
103         result.locDot = locDot;
104         return result;
105      }
106    }