75     }
 76 
 77     /**
 78      * Add free variable to fvs list unless it is already there.
 79      */
 80     protected void addFreeVar(Symbol.VarSymbol v) {
 81         fvs.add(v);
 82     }
 83 
 84     @Override
 85     public void visitVarDef(JCTree.JCVariableDecl tree) {
 86         if (tree.sym.owner.kind == MTH) {
 87             seenVars.add(tree.sym);
 88         }
 89         super.visitVarDef(tree);
 90     }
 91 
 92     /**
 93      * Obtains the list of captured local variables in the tree under analysis.
 94      */
 95     List<Symbol.VarSymbol> analyzeCaptures() {
 96         scan(tree);
 97         return List.from(fvs);
 98     }




 99 }

 75     }
 76 
 77     /**
 78      * Add free variable to fvs list unless it is already there.
 79      */
 80     protected void addFreeVar(Symbol.VarSymbol v) {
 81         fvs.add(v);
 82     }
 83 
 84     @Override
 85     public void visitVarDef(JCTree.JCVariableDecl tree) {
 86         if (tree.sym.owner.kind == MTH) {
 87             seenVars.add(tree.sym);
 88         }
 89         super.visitVarDef(tree);
 90     }
 91 
 92     /**
 93      * Obtains the list of captured local variables in the tree under analysis.
 94      */
 95     public List<Symbol.VarSymbol> analyzeCaptures() {
 96         scan(tree);
 97         return List.from(fvs);
 98     }
 99 
100     public boolean isVarSeen(VarSymbol s) {
101         return seenVars.contains(s);
102     }
103 }