Re: Example interpreter C

Julian Stecklina <der_julian@web.de>
31 Aug 2005 00:31:02 -0400

          From comp.compilers
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From: Julian Stecklina <der_julian@web.de>
Newsgroups: comp.compilers
Date: 31 Aug 2005 00:31:02 -0400
Organization: Compilers Central
References: 05-08-055 05-08-062 05-08-073 05-08-084
Keywords: C, Lisp, interpreter
Posted-Date: 31 Aug 2005 00:31:01 EDT

George Neuner <gneuner2@comcast.net> writes:


> However, a lot of interpreters are actually hybrids which first do
> some compilation to an intermediate form (ASTs are one such form) and
> then interpret the intermediate form. The compile steps catch errors
> and, optionally, perform some optimization. The interpreter then
> works with canonical program form rather than the source text. This
> both simplifies the interpreter code and allows it to be physically
> separate from the code that produces the intermediate form.


For more information on this you might want to read "Lisp in Small
Pieces" written by Christian Queinnec. It starts from a simple and
straight forward Scheme interpreter, working its way to bytecode
compilation and compilation to C.


Regards,
--
Julian Stecklina


(Of course SML does have its weaknesses, but by comparison, a
  discussion of C++'s strengths and flaws always sounds like an
  argument about whether one should face north or east when one
  is sacrificing one's goat to the rain god.) -- Thant Tessman


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