diff options
| -rw-r--r-- | lib/tools/emacs/erlang.el | 31 | ||||
| -rw-r--r-- | lib/tools/emacs/test.erl.indented | 8 | ||||
| -rw-r--r-- | lib/tools/emacs/test.erl.orig | 8 |
3 files changed, 38 insertions, 9 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index 0c003bab39..3610356355 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -2444,7 +2444,10 @@ This is automagically called by the user level function `indent-region'." ;; Parse the Erlang code from the beginning of the clause to ;; the beginning of the region. (while (< (point) indent-point) - (setq state (erlang-partial-parse (point) indent-point state))) + (let ((pt (point))) + (setq state (erlang-partial-parse pt indent-point state)) + (if (= pt (point)) + (error "Illegal syntax")))) ;; Indent every line in the region (while continue (goto-char indent-point) @@ -2480,8 +2483,11 @@ This is automagically called by the user level function `indent-region'." (if (>= from-end (- (point-max) indent-point)) (setq continue nil) (while (< (point) indent-point) - (setq state (erlang-partial-parse - (point) indent-point state)))))))) + (let ((pt (point))) + (setq state (erlang-partial-parse + pt indent-point state)) + (if (= pt (point)) + (error "Illegal syntax"))))))))) (defun erlang-indent-current-buffer () @@ -2528,7 +2534,10 @@ Return nil if line starts inside string, t if in a comment." (goto-char parse-start) (erlang-beginning-of-clause)) (while (< (point) indent-point) - (setq state (erlang-partial-parse (point) indent-point state))) + (let ((pt (point))) + (setq state (erlang-partial-parse pt indent-point state)) + (if (= pt (point)) + (error "Illegal syntax")))) (erlang-calculate-stack-indent indent-point state)))) (defun erlang-show-syntactic-information () @@ -2698,12 +2707,13 @@ Value is list (stack token-start token-type in-what)." (erlang-push (list '|| token (current-column)) stack) (forward-char 2)) - ;; Bit-syntax open paren - ((looking-at "<<") + ;; Bit-syntax open. Note that map syntax allows "<<" to follow ":=" + ;; or "=>" without intervening whitespace, so handle that case here + ((looking-at "\\(:=\\|=>\\)?<<") (erlang-push (list '<< token (current-column)) stack) - (forward-char 2)) + (forward-char (- (match-end 0) (match-beginning 0)))) - ;; Bbit-syntax close paren + ;; Bit-syntax close ((looking-at ">>") (while (memq (car (car stack)) '(|| ->)) (erlang-pop stack)) @@ -4188,7 +4198,10 @@ This function is designed to be a member of a criteria list." ;; Do not return `stop' when inside a list comprehension ;; construction. (The point must be after `||'). (while (< (point) orig-point) - (setq state (erlang-partial-parse (point) orig-point state))) + (let ((pt (point))) + (setq state (erlang-partial-parse pt orig-point state)) + (if (= pt (point)) + (error "Illegal syntax")))) (if (and (car state) (eq (car (car (car state))) '||)) nil 'stop))) diff --git a/lib/tools/emacs/test.erl.indented b/lib/tools/emacs/test.erl.indented index 1c1086ca58..abb05fd59b 100644 --- a/lib/tools/emacs/test.erl.indented +++ b/lib/tools/emacs/test.erl.indented @@ -32,6 +32,14 @@ -module(test). -compile(export_all). +%% Used to cause an "Unbalanced parentheses" error. +foo(M) -> + M#{a :=<<"a">> + ,b:=1}. +foo() -> + #{a =><<"a">> + ,b=>1}. + %% Module attributes should be highlighted -export([t/1]). diff --git a/lib/tools/emacs/test.erl.orig b/lib/tools/emacs/test.erl.orig index a9d09000d2..3d8f29fe18 100644 --- a/lib/tools/emacs/test.erl.orig +++ b/lib/tools/emacs/test.erl.orig @@ -32,6 +32,14 @@ -module(test). -compile(export_all). +%% Used to cause an "Unbalanced parentheses" error. +foo(M) -> +M#{a :=<<"a">> +,b:=1}. +foo() -> +#{a =><<"a">> +,b=>1}. + %% Module attributes should be highlighted -export([t/1]). |