static void Main(string[] args)
{
string in_filename = @"..\..\NOD.java";
string out_filename = @"..\..\NOD.class";
AntlrInputStream inputStream = new AntlrFileStream(in_filename);
var javaLexer = new JavaLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(javaLexer);
var javaParser = new JavaParser(commonTokenStream);
var visitor = new JavaVisitor(new StackFrame());
visitor.Visit(javaParser.compileUnit());
var stackFrame = visitor.StackFrame;
var initInd = stackFrame.GetOrAddMethodref("<init>", "()V", "java/lang/Object");
var methods = new List <MethodInfo>();
var initMethod = new MethodInfo(MethodAccessFlags.ACC_PUBLIC,
stackFrame.GetOrAddString("<init>"),
stackFrame.GetOrAddString("()V"));
var initCodeInstructions = new List <byte>();
initCodeInstructions.Add(0x2A);
initCodeInstructions.Add(0xB7);
initCodeInstructions.AddRange(Utils.WriteUShort(initInd));
initCodeInstructions.Add(0xB1);
var initCodeAttribute = new CodeAttributeParser(1, 1, initCodeInstructions);
var initData = initCodeAttribute.BuildData();
initMethod.AttributesCount = 1;
initMethod.Attributes = new AttributeDescription[1] {
new AttributeDescription(stackFrame.GetOrAddString("Code"), (uint)initData.Length, initData)
};
methods.Add(initMethod);
var mainMethod = new MethodInfo(MethodAccessFlags.ACC_PUBLIC | MethodAccessFlags.ACC_STATIC,
stackFrame.GetOrAddString("main"),
stackFrame.GetOrAddString("([Ljava/lang/String;)V"));
var mainCodeAttribute = new CodeAttributeParser(stackFrame.maxStackSize,
stackFrame.maxLocalsSize, stackFrame.BuildInstructions());
var mainData = mainCodeAttribute.BuildData();
mainMethod.AttributesCount = 1;
mainMethod.Attributes = new AttributeDescription[1] {
new AttributeDescription(stackFrame.GetOrAddString("Code"), (uint)mainData.Length, mainData)
};
methods.Add(mainMethod);
var classFile = ClassFile.CreateClassFile(0, 52, ClassAccessFlags.ACC_PUBLIC | ClassAccessFlags.ACC_SUPER,
stackFrame.thisClass, stackFrame.constantPool, methods);
classFile.SuperClass = stackFrame.GetOrAddClass("java/lang/Object");
File.WriteAllBytes(out_filename, classFile.BuildClassFile());
}
