/*
 * $Id$
 *
 * Copyright (C) 2003-2014 JNode.org
 *
 * 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., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.jnasm;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Map;
import org.jnode.assembler.NativeStream;
import org.jnode.build.AsmSourceInfo;
import org.jnode.jnasm.assembler.Assembler;
import org.jnode.jnasm.preprocessor.FileResolver;
import org.jnode.jnasm.preprocessor.Preprocessor;

/**
 * @author Levente S\u00e1ntha (lsantha@users.sourceforge.net)
 */
public class JNAsm {
    public static void main(String[] argv) throws Exception {
        InputStream in = System.in;
        if (argv.length > 0) {
            in = new FileInputStream(argv[0]);
        }
        Preprocessor preprocessor = Preprocessor.newInstance(in);
        preprocessor.defineSymbol("BITS32", "");
        preprocessor.setFileResolver(new FileResolver(null));
        StringWriter sw = new StringWriter();
        preprocessor.print(sw);
        sw.flush();
        sw.close();
        StringReader sr = new StringReader(sw.toString());
        Assembler assembler = Assembler.newInstance(sr);
        FileOutputStream out = new FileOutputStream("out");
        assembler.performTwoPasses(sr, out);
        out.flush();
        out.close();
    }

    public static void assembler(NativeStream asm, AsmSourceInfo sourceInfo, Map<String, String> symbols)
        throws Exception {
        Preprocessor preprocessor = Preprocessor.newInstance(sourceInfo, symbols);
        StringWriter sw = new StringWriter();
        preprocessor.print(sw);
        sw.flush();
        sw.close();
        StringReader sr = new StringReader(sw.toString());
        Assembler assembler = Assembler.newInstance(sr);
        assembler.performTwoPasses(sr, asm);
    }
}