root/trunk/ProjectFortress/src/com/sun/fortress/compiler/phases/Phase.java @ 2406

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  Copyright 2008 Sun Microsystems, Inc.,
  4150 Network Circle, Santa Clara, California 95054, U.S.A.
  All rights reserved.

  U.S. Government Rights - Commercial software.
  Government users are subject to the Sun Microsystems, Inc. standard
  license agreement and applicable provisions of the FAR and its supplements.

  Use is subject to license terms.

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  trademarks of Sun Microsystems, Inc. in the U.S. and other countries.
  ******************************************************************************/

package com.sun.fortress.compiler.phases;

import com.sun.fortress.compiler.AnalyzeResult;
import com.sun.fortress.compiler.GlobalEnvironment;
import com.sun.fortress.exceptions.StaticError;
import com.sun.fortress.repository.FortressRepository;

public abstract class Phase {   
        
    Phase parentPhase;
        FortressRepository repository;
    GlobalEnvironment env;
    long lastModified;
    
    private AnalyzeResult result;    
    
        public Phase(Phase parentPhase){
        this.parentPhase = parentPhase;
        if (parentPhase != null) {
                repository = parentPhase.getRepository();
                env = parentPhase.getEnv();
                lastModified = parentPhase.getLastModified();
        }
    }

    public final AnalyzeResult getResult() { return result; }
    
    public final FortressRepository getRepository() {
                return repository;
        }

        public final GlobalEnvironment getEnv() {
                return env;
        }

        public final long getLastModified() {
                return lastModified;
        }
        
    public abstract AnalyzeResult execute() throws StaticError ;

    public final AnalyzeResult run() throws StaticError {
        if (parentPhase != null)
                parentPhase.run();        
        result = execute();
        return result;
    }
        
}