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MathGroup Archive 2007

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Re: Advice for writing small Scheme interpreter

  • To: mathgroup at smc.vnet.net
  • Subject: [mg74485] Re: Advice for writing small Scheme interpreter
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 23 Mar 2007 19:00:06 -0500 (EST)
  • Organization: Uni Leipzig
  • References: <ett6c9$gba$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

what may Hold[], HoldForm[] do and what

ToExpression["(+7 8)", StandardForm, Hold]

Regards
   Jens

wooks wrote:
> I need to write a very small Scheme interpreter in Mathematica to
> complete my project.
> 
> How can I stop Mathematica from evaluating statements so that they can
> be parsed in their raw form by the interpreter code.
> 
> For example I don't want (+ 7 8) converted into 56 before I can parse
> it.
> 
> 


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