.. java:import:: java.io BufferedWriter

.. java:import:: java.io IOException

Operator
========

.. java:package:: fr.inria.tapenade.utils
   :noindex:

.. java:type:: public class Operator

   An operator of Abstract Syntax Trees.

Fields
------
ATOM_INT_ARITY
^^^^^^^^^^^^^^

.. java:field:: public static final int ATOM_INT_ARITY
   :outertype: Operator

   For atomic operator with an int.

ATOM_STRING_ARITY
^^^^^^^^^^^^^^^^^

.. java:field:: public static final int ATOM_STRING_ARITY
   :outertype: Operator

   For atomic operator with a String.

LIST_ARITY
^^^^^^^^^^

.. java:field:: public static final int LIST_ARITY
   :outertype: Operator

   For list arity operator.

arity
^^^^^

.. java:field:: public final int arity
   :outertype: Operator

   The arity of this operator.

   .. parsed-literal::

      Convention: normal fixed arities range in [0,+inf[;
      Arity LIST_ARITY = -1 stands for list arity;
      Arity ATOM_INT_ARITY = -2 stands for atomic operator with an int;
      Arity ATOM_STRING_ARITY = -3 stands for atomic operator with a String.

childrenPhyla
^^^^^^^^^^^^^

.. java:field:: protected final int[] childrenPhyla
   :outertype: Operator

   The required phyla for the children.

code
^^^^

.. java:field:: public final int code
   :outertype: Operator

   A unique integer code for this Operator, which is its rank in the list of all the language's Operator's.

name
^^^^

.. java:field:: public final String name
   :outertype: Operator

   The name of this Operator.

Constructors
------------
Operator
^^^^^^^^

.. java:constructor:: public Operator(String nameStr, int code, int arity, int[] phyla)
   :outertype: Operator

Methods
-------
isAtom
^^^^^^

.. java:method:: public boolean isAtom()
   :outertype: Operator

   :return: True when this Operator is an atom.

isFixed
^^^^^^^

.. java:method:: public boolean isFixed()
   :outertype: Operator

   :return: True when this is a fixed-arity Operator.

isIntAtom
^^^^^^^^^

.. java:method:: public boolean isIntAtom()
   :outertype: Operator

   :return: True when this Operator is an integer-valued atom.

isList
^^^^^^

.. java:method:: public boolean isList()
   :outertype: Operator

   :return: True when this is a list-arity Operator.

isStringAtom
^^^^^^^^^^^^

.. java:method:: public boolean isStringAtom()
   :outertype: Operator

   :return: True when this Operator is a String-valued atom.

toString
^^^^^^^^

.. java:method:: @Override public String toString()
   :outertype: Operator

tree
^^^^

.. java:method:: public Tree tree()
   :outertype: Operator

   Build a Tree with this Operator.

   :return: a new, empty, Tree node with this Operator.

writeToILFile
^^^^^^^^^^^^^

.. java:method:: public void writeToILFile(BufferedWriter fileWriter) throws IOException
   :outertype: Operator