/*
* Copyright (c) 2013 Patrick Scheibe
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.halirutan.mathematica.parsing.psi.api.assignment;
import de.halirutan.mathematica.parsing.psi.api.Symbol;
import java.util.Set;
/**
* @author patrick (10/6/13)
*/
public interface Assignment {
/**
* All operators that assign values to <em>right hand sides</em> should implement this method to return all symbols
* which are assigned. Some examples: <code>func[x_,y_] := x+y</code>, here <code>func</code> is assigned, while the
* arguments x and y are not. <code>{x,y,z} = {1,2,3}</code>, here all three variables are assigned.
*
* @return The set of symbols which are assigned in this call.
*/
public Set<Symbol> getAssignedSymbols();
}