import dynamilize.classmaker.*;

import dynamilize.classmaker.code.ILocal;

import org.objectweb.asm.Opcodes;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.PrintStream;

import java.lang.reflect.Constructor;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Modifier;

public class ASMTest{

public static void main(String[] args) throws NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException{

ClassInfo<?> typ = new ClassInfo<>(

Modifier.PUBLIC,

"main.Test",

null,

ClassInfo.asType(Runnable.class)

);

ClassInfo<System> sys = ClassInfo.asType(System.class);

ClassInfo<PrintStream> print = ClassInfo.asType(PrintStream.class);

ClassInfo<Test> testType = ClassInfo.asType(Test.class);

FieldInfo<PrintStream> prF = sys.getField(print, "out");

MethodInfo<PrintStream, Void> printf = print.getMethod(ClassInfo.VOID_TYPE, "println", ClassInfo.OBJECT_TYPE);

FieldInfo<Test> inte = typ.declareField(

Modifier.PRIVATE | Modifier.STATIC,

"field",

testType,

Test.a

);

CodeBlock<Void> met = typ.declareMethod(

Modifier.PUBLIC,

"run",

ClassInfo.VOID_TYPE

);

ILocal<PrintStream> out = met.local(print);

met.assign(null, prF, out);

ILocal<Test> str = met.local(testType);

met.assign(null, inte, str);

met.invoke(out, printf, null, str);

byte[] b = new ASMGenerator(new BaseClassLoader(null), Opcodes.V1_8).genByteCode(typ);

File cla = new File("temp/Output.class");

try{

cla.getParentFile().mkdirs();

FileOutputStream o = new FileOutputStream(cla, false);

o.write(b);

o.flush();

}catch(IOException e){

throw new RuntimeException(e);

}

Class<?> c = typ.generate(new ASMGenerator(new BaseClassLoader(Demo.class.getClassLoader()), Opcodes.V1_8));

Constructor<?> cstr = c.getDeclaredConstructor();

((Runnable)cstr.newInstance()).run();

}

public enum Test{

a, b, c

}

}