Re: Small embeddable scripting language ?
- From: Biswapesh Chattopadhyay <biswapesh_chatterjee tcscal co in>
- To: John Palmieri <johnp martianrock com>
- Cc: GNOME Devel <gnome-devel-list gnome org>, Anjuta devel <anjuta-devel lists sourceforge net>
- Subject: Re: Small embeddable scripting language ?
- Date: 29 Nov 2002 10:43:41 +0530
On Fri, 2002-11-29 at 11:23, John Palmieri wrote:
> > 3) As an embedded template language for code snippets and file and
> > project wizards. For example, you might want to add a code snippet for a
> > standard C header file:
> > -----------------
> > /*
> > ** File name <%=echo $file_name%>
> > ** Copyright <%=echo $current_year%> <%=echo $author_name%>
> > */
> > #ifndef <%=echo upper(canonical($file_name))%>
> > #define <%=echo upper(canonical(file_name))%>
> > ....
> > #endif /* <%=echo upper(canonical($file_name))%> */
> > -------------------
> I just wanted to give you some thought on this part of your plan. I am
> working on GObject Factory a GObject code generator that I eventualy
> plan to integrate into Anjuta 2. I have recently moved to a template
> engine instead of generating everthing in C. I found that XSLT provided
> by libxslt works well for this type of thing and is easy to setup and
> debug the templates with command line tools.
> The drawbacks with XSLT is that it can get verbose and it doesn't have
> very good tools for doing things like changing strings from uppercase to
> lowercase (at least none that I have found in the documentation). I got
> around this by doing the case changes in the C code.
That will be problematic - I want the wizard system to be scriptable
without compilation headaches. Besides, plain text with embedded code
bits is much simpler to lean IMO.
> The benefit of XSLT is that it is easy to use, is a defined standard by
> the XML working group and would save you the trouble of coming up with
> another template system. It literally took me 1/2 hour to learn and it
> is already part of the GNOME libraries.
Seems promising. But can it call code snippets inside ? A full fledged
wizard will need stuff like looping, conditions, powerful text
manipulation functions, etc. inside the template which I felt can only
be achieved with a normal language. For example, an XSLT call a python
code snippet when it encounters a certain tag with the value of the tag
> I don't want to give you more languages to learn ;-) but it is just a
That's fine - a new language a day keeps boredom away ;-)
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