From 8cdf0417090b2c6e6b29aa67c7b1efca5501bb7c Mon Sep 17 00:00:00 2001 From: Kaz Kylheku Date: Wed, 4 Nov 2015 06:44:25 -0800 Subject: Pattern vars accessed from Lisp now dynamic. * eval.c (set_dyn_env): Static function becomes external. * eval.h (set_dyn_env): Declared. * match.c (eval_with_bindings, eval_progn_with_bindings): Evaluate Lisp code in null lexical environment. Instead install the pattern variables as dynamic, so they shadow global variables. A compatibility check for 121 or earlier provides the old behavior. * txr.1: Document scoping rules, and added compatibility notes. --- eval.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'eval.c') diff --git a/eval.c b/eval.c index 21e1dcea..62841f6e 100644 --- a/eval.c +++ b/eval.c @@ -926,7 +926,7 @@ static void do_eval_args(val form, val env, val ctx_form, } } -static val set_dyn_env(val de) +val set_dyn_env(val de) { val old = dyn_env; dyn_env = de; -- cgit v1.2.3