org.spoofax.interpreter.library.ecj.ECJ_path_of_compilationunit.java Source code

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Here is the source code for org.spoofax.interpreter.library.ecj.ECJ_path_of_compilationunit.java

Source

/*
 * Created on 9. okt.. 2006
 *
 * Copyright (c) 2005-2011, Karl Trygve Kalleberg <karltk near strategoxt dot org>
 * 
 * Licensed under the GNU Lesser Public License, v2.1
 */
package org.spoofax.interpreter.library.ecj;

import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.spoofax.interpreter.adapter.ecj.ECJFactory;
import org.spoofax.interpreter.core.IContext;
import org.spoofax.interpreter.core.InterpreterException;
import org.spoofax.interpreter.stratego.Strategy;
import org.spoofax.interpreter.terms.IStrategoTerm;

public class ECJ_path_of_compilationunit extends ECJPrimitive {

    public ECJ_path_of_compilationunit() {
        super("ECJ_path_of_compilationunit", 0, 1);
    }

    @Override
    public boolean call(IContext env, Strategy[] svars, IStrategoTerm[] tvars) throws InterpreterException {

        if (!ECJTools.isCompilationUnit(tvars[0]))
            return false;

        CompilationUnit n = ECJTools.asCompilationUnit(tvars[0]);

        IJavaElement je = n.getJavaElement();
        if (je == null)
            return false;

        try {
            env.setCurrent(ECJFactory.wrap(je.getCorrespondingResource().getProjectRelativePath().toString()));
        } catch (JavaModelException e) {
            return false;
        }
        return true;
    }

}