From 0b48e2d258cb3c0ad5d12c5b4aaf9b4b69101763 Mon Sep 17 00:00:00 2001 From: Gregory Heytings Date: Tue, 25 May 2021 06:18:29 +0200 Subject: [PATCH] Fix infloop in Modula-2 mode * lisp/progmodes/modula2.el (m2-smie-refine-colon): Stop looping when point does not move with forward-sexp (Bug#48011). --- lisp/progmodes/modula2.el | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lisp/progmodes/modula2.el b/lisp/progmodes/modula2.el index 2a0374aa818..a8d644dba0e 100644 --- a/lisp/progmodes/modula2.el +++ b/lisp/progmodes/modula2.el @@ -201,7 +201,10 @@ ((zerop (length tok)) (let ((forward-sexp-function nil)) (condition-case nil - (forward-sexp -1) + (let ((p (point))) + (forward-sexp -1) + (when (= p (point)) + (setq res ":"))) (scan-error (setq res ":"))))) ((member tok '("|" "OF" "..")) (setq res ":-case")) ((member tok '(":" "END" ";" "BEGIN" "VAR" "RECORD" "PROCEDURE")) -- 2.39.5