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