/***
* ASM examples: examples showing how ASM can be used
* Copyright (c) 2000-2007 INRIA, France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.jbfc.BFCompiler;
import org.objectweb.asm.util.TraceClassVisitor;
/**
* A naive implementation of compiler for Brain**** language.
* http://www.muppetlabs.com/~breadbox/bf/ *
*
* @author Eugene Kuleshov
*/
public class jbfc {
public static void main(final String[] args) throws IOException {
if (args.length < 2) {
System.out.println("Usage: jbfc [-v] <bf program file> <java class name>");
return;
}
boolean verbose = false;
String fileName = null;
String className = null;
for (int i = 0; i < args.length; i++) {
if ("-v".equals(args[i])) {
verbose = true;
} else {
fileName = args[i];
className = args[i + 1];
break;
}
}
FileReader r = new FileReader(fileName);
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
BFCompiler c = new BFCompiler();
if (verbose) {
c.compile(r, className, fileName, new TraceClassVisitor(cw,
new PrintWriter(System.out)));
} else {
c.compile(r, className, fileName, cw);
}
r.close();
FileOutputStream os = new FileOutputStream(className + ".class");
os.write(cw.toByteArray());
os.flush();
os.close();
}
}