From 3e97613cba2fbd4ffcc2fe5c77e2e2335b432681 Mon Sep 17 00:00:00 2001 From: Chris Hanson Date: Tue, 14 Jun 1988 14:45:31 +0000 Subject: [PATCH] Do not unsyntax a `make-environment' special form unless the last action in its body is `the-environment'. --- v7/src/runtime/unsyn.scm | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/v7/src/runtime/unsyn.scm b/v7/src/runtime/unsyn.scm index 85e5087b6..b509f8127 100644 --- a/v7/src/runtime/unsyn.scm +++ b/v7/src/runtime/unsyn.scm @@ -1,6 +1,6 @@ #| -*-Scheme-*- -$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/unsyn.scm,v 14.1 1988/06/13 11:59:14 cph Exp $ +$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/unsyn.scm,v 14.2 1988/06/14 14:45:31 cph Exp $ Copyright (c) 1988 Massachusetts Institute of Technology @@ -171,10 +171,6 @@ MIT in each case. |# object `(THE-ENVIRONMENT)) -(define (unsyntax-MAKE-ENVIRONMENT names values body) - names values - `(MAKE-ENVIRONMENT ,@(except-last-pair (unsyntax-sequence body)))) - (define (unsyntax-DISJUNCTION-object object) `(OR ,@(disjunction-components object unexpand-disjunction))) @@ -300,10 +296,13 @@ MIT in each case. |# operands body ordinary-combination)) - ((eq? name lambda-tag:make-environment) - (unsyntax-make-environment required - operands - body)) + ((and (eq? name lambda-tag:make-environment) + (the-environment? + (car (last-pair (sequence-actions body))))) + `(MAKE-ENVIRONMENT + ,@(unsyntax-objects + (except-last-pair + (sequence-actions body))))) (else (ordinary-combination))) (ordinary-combination))))) (else -- 2.25.1