procyberian/emacs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Revert Vinternal_interpreter_environment tweak

Browse source 
Stefan Monnier pointed out examples like (funcall `(closure
,(let ((cycle (list nil))) (setcdr cycle cycle)) () a)),
where the user can set Vinternal_interpreter_environment
indirectly.
* src/eval.c (Fsetq): Revert recent change, going back to Fassq.
This commit is contained in:
Paul Eggert 2019-04-22 20:02:20 -07:00
parent 27540be5c6
commit 7cc66173e4
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/eval.c
View file

@ -513,7 +513,7 @@ usage: (setq [SYM VAL]...) */)
Lisp_Object lex_binding
= ((!NILP (Vinternal_interpreter_environment) /* Mere optimization! */
&& SYMBOLP (sym))
? assq_no_quit (sym, Vinternal_interpreter_environment)
? Fassq (sym, Vinternal_interpreter_environment)
: Qnil);
if (!NILP (lex_binding))
XSETCDR (lex_binding, val); /* SYM is lexically bound. */
@ -2162,7 +2162,7 @@ eval_sub (Lisp_Object form)
already did that when let-binding the variable. */
Lisp_Object lex_binding
= (!NILP (Vinternal_interpreter_environment) /* Mere optimization! */
? assq_no_quit (form, Vinternal_interpreter_environment)
? Fassq (form, Vinternal_interpreter_environment)
: Qnil);
return !NILP (lex_binding) ? XCDR (lex_binding) : Fsymbol_value (form);
}