From 16d48acbde6cd272c02ce7db2fd4dc8ad973f7d2 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Fri, 28 May 2010 10:03:46 +0200 Subject: Improved indentation of old catch. An example that didn't work previously. case Foo of {ok, X} -> ok; _ -> catch file:close(FD) end. --- lib/tools/emacs/erlang.el | 34 ++++++++++++++---------- lib/tools/emacs/test.erl.indented | 51 +++++++++++++++++++++++++++++++++--- lib/tools/emacs/test.erl.orig | 55 +++++++++++++++++++++++++++++++++++---- 3 files changed, 118 insertions(+), 22 deletions(-) (limited to 'lib/tools/emacs') diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index 778cb33302..91acfdf2b6 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -2490,9 +2490,10 @@ Value is list (stack token-start token-type in-what)." ((looking-at "\\(of\\)[^_a-zA-Z0-9]") ;; Must handle separately, try X of -> catch (if (and stack (eq (car (car stack)) 'try)) - (let ((try-column (nth 2 (car stack)))) + (let ((try-column (nth 2 (car stack))) + (try-pos (nth 1 (car stack)))) (erlang-pop stack) - (erlang-push (list 'icr token try-column) stack)))) + (erlang-push (list 'icr try-pos try-column) stack)))) ((looking-at "\\(fun\\)[^_a-zA-Z0-9]") ;; Push a new layer if we are defining a `fun' @@ -2753,7 +2754,7 @@ Return nil if inside string, t if in a comment." ;; ;; `after' should be indented to the same level as the ;; corresponding receive. - (cond ((looking-at "\\(after\\|catch\\|of\\)\\($\\|[^_a-zA-Z0-9]\\)") + (cond ((looking-at "\\(after\\|of\\)\\($\\|[^_a-zA-Z0-9]\\)") (nth 2 stack-top)) ((looking-at "when[^_a-zA-Z0-9]") ;; Handling one when part @@ -2772,7 +2773,7 @@ Return nil if inside string, t if in a comment." ((and (eq (car stack-top) '||) (looking-at "\\(]\\|>>\\)[^_a-zA-Z0-9]")) (nth 2 (car (cdr stack)))) ;; Real indentation, where operators create extra indentation etc. - ((memq (car stack-top) '(-> || begin try)) + ((memq (car stack-top) '(-> || try begin)) (if (looking-at "\\(of\\)[^_a-zA-Z0-9]") (nth 2 stack-top) (goto-char (nth 1 stack-top)) @@ -2801,19 +2802,24 @@ Return nil if inside string, t if in a comment." (erlang-caddr (car stack)) 0)) ((looking-at "catch\\($\\|[^_a-zA-Z0-9]\\)") - (if (or (eq (car stack-top) 'try) - (eq (car (car (cdr stack))) 'icr)) - (progn - (if (eq (car stack-top) '->) - (erlang-pop stack)) - (if stack - (erlang-caddr (car stack)) - 0)) - base)) ;; old catch + ;; Are we in a try + (let ((start (if (eq (car stack-top) '->) + (car (cdr stack)) + stack-top))) + (if (null start) nil + (goto-char (nth 1 start))) + (cond ((looking-at "try\\($\\|[^_a-zA-Z0-9]\\)") + (progn + (if (eq (car stack-top) '->) + (erlang-pop stack)) + (if stack + (erlang-caddr (car stack)) + 0))) + (t (erlang-indent-standard indent-point token base 'nil))))) ;; old catch (t (erlang-indent-standard indent-point token base 'nil) )))) - )) + )) ((eq (car stack-top) 'when) (goto-char (nth 1 stack-top)) (if (looking-at "when\\s *\\($\\|%\\)") diff --git a/lib/tools/emacs/test.erl.indented b/lib/tools/emacs/test.erl.indented index b94968a2b0..2948ccf1b5 100644 --- a/lib/tools/emacs/test.erl.indented +++ b/lib/tools/emacs/test.erl.indented @@ -512,7 +512,9 @@ indent_try_catch() -> file:close(Xfile) end; indent_try_catch() -> - try foo(bar) of + try + foo(bar) + of X when true andalso kalle -> io:format(stdout, "Parsing file ~s, ", @@ -570,14 +572,57 @@ indent_catch() -> C = catch B + float(43.1), - case catch (X) of + case catch foo(X) of + A -> + B + end, + + case + catch foo(X) + of A -> B end, + + case + foo(X) + of + A -> + catch B, + X + end, + try sune of _ -> foo catch _:_ -> baf - end. + end, + + try + sune + of + _ -> + X = 5, + (catch foo(X)), + X + 10 + catch _:_ -> baf + end, + + try + (catch sune) + of + _ -> + catch foo() %% BUGBUG can't handle catch inside try without parentheses + catch _:_ -> + baf + end, + + try + (catch exit()) + catch + _ -> + catch baf() + end, + ok. indent_binary() -> X = lists:foldr(fun(M) -> diff --git a/lib/tools/emacs/test.erl.orig b/lib/tools/emacs/test.erl.orig index c6a7d3eb39..1221c5655e 100644 --- a/lib/tools/emacs/test.erl.orig +++ b/lib/tools/emacs/test.erl.orig @@ -512,7 +512,9 @@ indent_try_catch() -> file:close(Xfile) end; indent_try_catch() -> - try foo(bar) of + try + foo(bar) + of X when true andalso kalle -> io:format(stdout, "Parsing file ~s, ", @@ -570,14 +572,57 @@ indent_catch() -> C = catch B + float(43.1), - case catch (X) of + case catch foo(X) of A -> B end, + + case + catch foo(X) + of + A -> + B + end, + + case + foo(X) + of + A -> + catch B, + X + end, + try sune of - _ -> foo - catch _:_ -> baf - end. + _ -> foo + catch _:_ -> baf + end, + + try +sune + of + _ -> + X = 5, + (catch foo(X)), + X + 10 + catch _:_ -> baf + end, + + try + (catch sune) + of + _ -> + catch foo() %% BUGBUG can't handle catch inside try without parentheses + catch _:_ -> + baf + end, + + try +(catch exit()) + catch +_ -> + catch baf() + end, + ok. indent_binary() -> X = lists:foldr(fun(M) -> -- cgit v1.2.3