Re: Writing a symbol table in Perl

destraynor@yahoo.ie (Des Traynor)
21 Mar 2002 21:58:14 -0500

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Related articles
Writing a symbol table in Perl destraynor@yahoo.ie (2002-03-17)
Re: Writing a symbol table in Perl joachim_d@gmx.de (Joachim Durchholz) (2002-03-19)
Re: Writing a symbol table in Perl destraynor@yahoo.ie (2002-03-21)
Re: Writing a symbol table in Perl ed_walker@sympatico.ca (Edward Walker) (2002-03-21)
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From: destraynor@yahoo.ie (Des Traynor)
Newsgroups: comp.compilers
Date: 21 Mar 2002 21:58:14 -0500
Organization: http://groups.google.com/
References: 02-03-088 02-03-112
Keywords: symbols, comment
Posted-Date: 21 Mar 2002 21:58:14 EST

Joachim Durchholz <joachim_d@gmx.de> wrote in message news:02-03-112...
> Des Traynor wrote:
> > [Doing symbol tables in perl is really easy. A straightforward way is to
> > make the symbol table a perl table indexed by symbol name, and the values
> > pointers to either tables or arrays with the symbol's info. -John]
>
> ... and if you need a scoped symbol table, use a key that says
> symbol_name.#
> where # is either the nesting depth or the name of the scope that the
> symbol belongs to.


      Thanks Joachim, anyone got any ideas on how to semantic check, once
you have implement the above said symbol table?
      All comments/help appreciated
[Parse the program into an AST, then make passes over it checking for
whatever you want to check for. -John]

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