Re: C++ to JVM compiler

From:
"jhc0033@gmail.com" <jhc0033@gmail.com>
Newsgroups:
comp.lang.c++,comp.lang.java.programmer
Date:
Thu, 24 Apr 2008 02:23:45 -0700 (PDT)
Message-ID:
<764ee126-b824-43e1-adc4-52ecad605e03@l25g2000prd.googlegroups.com>
On Apr 24, 2:03 am, Razii <whatever1...@hotmail.com> wrote:

On Thu, 24 Apr 2008 01:50:35 -0700 (PDT), "jhc0...@gmail.com"

<jhc0...@gmail.com> wrote:

Now that Java is going open-source again, I hope this project will be
resurrected. C++ and Java are the most widely used languages. It's a
shame that C++ can not be compiled to JVM, even though there is a ton
of platforms that it can be compiled to, and there is a ton of
languages that do compile to JVM.


http://nestedvm.ibex.org/

NestedVM provides binary translation for Java Bytecode. This is done
by having GCC compile to a MIPS binary which is then translated to a
Java class file. Hence any application written in C, C++, Fortran, or
any other language supported by GCC can be run in 100% pure Java with
no source changes.


Very interesting. Although, for C++ debugging, I don't think this
approach would always work for memory corruption detection, e.g.

#include <iostream>

struct pr {
  double x;
  double get_y() const { return y; }
  pr() : x(0), y(0) {}
private:
  const double y;
};

int main() {
  pr p;
  (&p.x)[1] = 3; // write to const private y
  std::cout << p.get_y() << '\n';
}

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