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 InterfaceDecl extends TypeDecl
023    {
024    
025      /** Set the parent pointer of the <code>TypeDeclElems</code>s
026        inside the <code>this</code>. */
027      private void postMake() {
028        for(int i = 0; i < elems.size(); i++)
029          elems.elementAt(i).setParent(this);
030      }
031    
032    
033    // Generated boilerplate constructors:
034    
035      /**
036       * Construct a raw InterfaceDecl whose class invariant(s) have not
037       * yet been established.  It is the caller's job to
038       * initialize the returned node's fields so that any
039       * class invariants hold.
040       */
041      //@ requires I_will_establish_invariants_afterwards;
042      protected InterfaceDecl() {}    //@ nowarn Invariant,NonNullInit;
043    
044    
045    // Generated boilerplate methods:
046    
047      public final int childCount() {
048         int sz = 0;
049         if (this.pmodifiers != null) sz += this.pmodifiers.size();
050         if (this.superInterfaces != null) sz += this.superInterfaces.size();
051         if (this.tmodifiers != null) sz += this.tmodifiers.size();
052         if (this.elems != null) sz += this.elems.size();
053         return sz + 1;
054      }
055    
056      public final Object childAt(int index) {
057              /*throws IndexOutOfBoundsException*/
058         if (index < 0)
059            throw new IndexOutOfBoundsException("AST child index " + index);
060         int indexPre = index;
061    
062         int sz;
063    
064         sz = (this.pmodifiers == null ? 0 : this.pmodifiers.size());
065         if (0 <= index && index < sz)
066            return this.pmodifiers.elementAt(index);
067         else index -= sz;
068    
069         if (index == 0) return this.id;
070         else index--;
071    
072         sz = (this.superInterfaces == null ? 0 : this.superInterfaces.size());
073         if (0 <= index && index < sz)
074            return this.superInterfaces.elementAt(index);
075         else index -= sz;
076    
077         sz = (this.tmodifiers == null ? 0 : this.tmodifiers.size());
078         if (0 <= index && index < sz)
079            return this.tmodifiers.elementAt(index);
080         else index -= sz;
081    
082         sz = (this.elems == null ? 0 : this.elems.size());
083         if (0 <= index && index < sz)
084            return this.elems.elementAt(index);
085         else index -= sz;
086    
087         throw new IndexOutOfBoundsException("AST child index " + indexPre);
088      }   //@ nowarn Exception;
089    
090      public final String toString() {
091         return "[InterfaceDecl"
092            + " modifiers = " + this.modifiers
093            + " pmodifiers = " + this.pmodifiers
094            + " id = " + this.id
095            + " superInterfaces = " + this.superInterfaces
096            + " tmodifiers = " + this.tmodifiers
097            + " elems = " + this.elems
098            + " loc = " + this.loc
099            + " locId = " + this.locId
100            + " locOpenBrace = " + this.locOpenBrace
101            + " locCloseBrace = " + this.locCloseBrace
102            + "]";
103      }
104    
105      public final int getTag() {
106         return TagConstants.INTERFACEDECL;
107      }
108    
109      public final void accept(Visitor v) { v.visitInterfaceDecl(this); }
110    
111      public final Object accept(VisitorArgResult v, Object o) {return v.visitInterfaceDecl(this, o); }
112    
113      public void check() {
114         super.check();
115         if (this.pmodifiers != null)
116            for(int i = 0; i < this.pmodifiers.size(); i++)
117               this.pmodifiers.elementAt(i).check();
118         if (this.id == null) throw new RuntimeException();
119         for(int i = 0; i < this.superInterfaces.size(); i++)
120            this.superInterfaces.elementAt(i).check();
121         if (this.tmodifiers != null)
122            for(int i = 0; i < this.tmodifiers.size(); i++)
123               this.tmodifiers.elementAt(i).check();
124         if (this.elems == null) throw new RuntimeException();
125      }
126    
127      //@ requires loc != javafe.util.Location.NULL;
128      //@ requires locId != javafe.util.Location.NULL;
129      //@ requires locOpenBrace != javafe.util.Location.NULL;
130      //@ requires locCloseBrace != javafe.util.Location.NULL;
131      //@ ensures \result != null;
132      public static InterfaceDecl make(int modifiers, ModifierPragmaVec pmodifiers, /*@ non_null @*/ Identifier id, /*@ non_null @*/ TypeNameVec superInterfaces, TypeModifierPragmaVec tmodifiers, /*@ non_null @*/ TypeDeclElemVec elems, int loc, int locId, int locOpenBrace, int locCloseBrace) {
133         //@ set I_will_establish_invariants_afterwards = true;
134         InterfaceDecl result = new InterfaceDecl();
135         result.modifiers = modifiers;
136         result.pmodifiers = pmodifiers;
137         result.id = id;
138         result.superInterfaces = superInterfaces;
139         result.tmodifiers = tmodifiers;
140         result.elems = elems;
141         result.loc = loc;
142         result.locId = locId;
143         result.locOpenBrace = locOpenBrace;
144         result.locCloseBrace = locCloseBrace;
145         result.postMake();
146         return result;
147      }
148    }