/*
* Copyright (C) 2001-5, Anthony Harrison anh23@pitt.edu This library is free
* software; you can redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details. You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* Created on Apr 25, 2005 by developer
*/
package org.jactr.io.compiler;
import java.util.Collection;
import org.antlr.runtime.tree.CommonTree;
/**
* Basic unit compiler interface. As the compiler walks the AST, it checks its
* installed {@link IUnitCompiler}s for any that are interested in the current
* node type (via {@link #getRelevantTypes()}) and routes that AST segment to
* the unit compiler.</br> </br> Unit compilers need not be thread safe as they
* are instaniated for each compiler, which should only be used by a single
* thread.
*/
public interface IUnitCompiler
{
/**
* return a collection of JACTRBuilder. types that this unit compiler is
* interested in
*
* @return
*/
public Collection<Integer> getRelevantTypes();
/**
* @param node
* @param warnings
* @param errors
* @return
*/
public void compile(CommonTree node, Collection<Exception> info,
Collection<Exception> warnings, Collection<Exception> errors);
public void preCompile();
public void postCompile();
}