root/trunk/ProjectFortress/src/com/sun/fortress/compiler/phases/GrammarPhase.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
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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.compiler.IndexBuilder;
import com.sun.fortress.exceptions.MultipleStaticError;
import com.sun.fortress.exceptions.StaticError;
import com.sun.fortress.syntax_abstractions.phases.GrammarRewriter;
import com.sun.fortress.useful.Debug;

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

public class GrammarPhase extends Phase {

        public GrammarPhase(Phase parentPhase) {
                super(parentPhase);
        }
        
        @Override
        public AnalyzeResult execute() throws StaticError {
        Debug.debug( Debug.Type.FORTRESS, 1, "Start phase GrammarPhase" );              
                AnalyzeResult previous = parentPhase.getResult();                       

                GlobalEnvironment apiEnv =
                        new GlobalEnvironment.FromMap(CollectUtil.union(repository.apis(),
                                        previous.apis()));

                GrammarRewriter.ApiResult apiID = GrammarRewriter.rewriteApis(previous.apis(), apiEnv);
                if (!apiID.isSuccessful()) {
                        throw new MultipleStaticError(apiID.errors());
                }

                IndexBuilder.ApiResult apiDone = IndexBuilder.buildApis(apiID.apis(), lastModified);
                if (!apiDone.isSuccessful()) {
                        throw new MultipleStaticError(apiDone.errors());
                }

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

}