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system transformer for non-toplevel expressions

From: Marius Vollmer
Subject: system transformer for non-toplevel expressions
Date: 21 Feb 2001 22:26:38 +0100
User-agent: Gnus/5.0803 (Gnus v5.8.3) Emacs/20.7


what is the significance of the system transformer for non-toplevel

Currently, the system transformer is invoked in scm_i_eval and
scm_i_eval_x, which take a lexical environment to evaluate their code
in.  However, this environment is not passed to the system transformer
(and it shouldn't be).

I want to move to invocation of the system transformer to
scm_primitive_eval, which can only be used for top-level evaluation.
Is there anything that speaks against this?

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