root/trunk/ProjectFortress/src/com/sun/fortress/compiler/phases/DesugarPhase.java @ 2404

package com.sun.fortress.compiler.phases;

import com.sun.fortress.compiler.AnalyzeResult;
import com.sun.fortress.compiler.Desugarer;
import com.sun.fortress.compiler.GlobalEnvironment;
import com.sun.fortress.exceptions.MultipleStaticError;
import com.sun.fortress.exceptions.StaticError;
import com.sun.fortress.useful.Debug;

import edu.rice.cs.plt.collect.CollectUtil;
import edu.rice.cs.plt.iter.IterUtil;

public class DesugarPhase extends Phase {
    
    
        public DesugarPhase(Phase parentPhase) {
                super(parentPhase);
        }

        @Override
    public AnalyzeResult execute( ) throws StaticError {
        Debug.debug( Debug.Type.FORTRESS, 1, "Start phase Desugar" );
                AnalyzeResult previous = parentPhase.getResult();       
        
        GlobalEnvironment apiEnv = new GlobalEnvironment.FromMap(CollectUtil.union(repository.apis(),
                                                       previous.apis()));

        Desugarer.ApiResult apiDSR = Desugarer.desugarApis(previous.apis(), apiEnv);

        if ( ! apiDSR.isSuccessful() ){
                throw new MultipleStaticError(apiDSR.errors());
        }

        Desugarer.ComponentResult componentDSR = Desugarer.desugarComponents(previous.components(), apiEnv);

        if ( ! componentDSR.isSuccessful() ){
                throw new MultipleStaticError(componentDSR.errors());
        }

        return new AnalyzeResult(apiDSR.apis(), componentDSR.components(), 
                        IterUtil.<StaticError>empty(), previous.typeEnvAtNode());
    }

}