llothar
3/21/2008 10:32:00 PM
On 22 Mrz., 05:11, Luis Lavena <luislav...@gmail.com> wrote:
> On 21 mar, 14:49, Heesob Park <pha...@gmail.com> wrote:
>
>
>
> > Hi,
>
> > I longed for a ruby byte code compiler.
> > But I guess YARV is not stable until now.
>
> > So I made a very experimental Ruby Compiler.
> > Actually it is not a true compiler just ruby object dumper and loader.
> > By modifing gc.c and eval.c , It cannot be distibuted as extension
> > library.
>
> > The main idea is simple.
> > 1. Dump all symbols,ids and node tree to a file.
> > 2. Load the symbols,ids and tree from a file and run.
>
> > But I should have spent much time to understand how to parsing and
> > evalualing
> > the ruby code.
>
> > With this compiler, you can secure your source code.
> > And saving parsing time is the main advantage.
> > Even the same object file can runs on Linux and Windows just like Java
> > class.
>
> > What do you think about this compiler?
>
> Looks interesting , one question:
>
> Does the loading for the parsed/node tree generated dump avoid
> evaluation? I mean, there is no need to reparse it, right? If so, then
> you have a speed boost when loading pre-compiled ruby scripts and
> sounds good.
>
> How it handles reload of files (using load 'foo.rb' compares the mtime
> of the pre-compiled file with the source file?)
>
This concept can only work on special written files that are not doing
any
evaluation during load. Unfortunately almost none of the files in the
standard library do fit into this schema.