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-rw-r--r--lib/tools/emacs/Makefile1
-rw-r--r--lib/tools/emacs/README9
-rw-r--r--lib/tools/emacs/erlang-flymake.el102
-rw-r--r--lib/tools/emacs/erlang.el85
-rw-r--r--lib/tools/emacs/test.erl.indented74
-rw-r--r--lib/tools/emacs/test.erl.orig78
6 files changed, 302 insertions, 47 deletions
diff --git a/lib/tools/emacs/Makefile b/lib/tools/emacs/Makefile
index 0028df247c..8533488463 100644
--- a/lib/tools/emacs/Makefile
+++ b/lib/tools/emacs/Makefile
@@ -42,6 +42,7 @@ EMACS_FILES= \
erlang_appwiz \
erlang-start \
erlang-eunit \
+ erlang-flymake \
erlang
README_FILES= README
diff --git a/lib/tools/emacs/README b/lib/tools/emacs/README
index ca068d04c4..cc107dcd41 100644
--- a/lib/tools/emacs/README
+++ b/lib/tools/emacs/README
@@ -42,7 +42,14 @@ Files\erl-<Ver>:
(setq erlang-root-dir "C:/Program Files/erl<Ver>")
(setq exec-path (cons "C:/Program Files/erl<Ver>/bin" exec-path))
(require 'erlang-start)
-
+Miscellaneous addons
+--------------------
+
+In order to check erlang source code on the fly, add the following
+line to your .emacs file (after erlang-start, see above). See
+erlang-flymake.el for more information on how to customize the syntax
+check.
+ (require 'erlang-flymake)
diff --git a/lib/tools/emacs/erlang-flymake.el b/lib/tools/emacs/erlang-flymake.el
new file mode 100644
index 0000000000..bc368e9454
--- /dev/null
+++ b/lib/tools/emacs/erlang-flymake.el
@@ -0,0 +1,102 @@
+;; erlang-flymake.el
+;;
+;; Syntax check erlang source code on the fly (integrates with flymake).
+;;
+;; Start using flymake with erlang by putting the following somewhere
+;; in your .emacs file:
+;;
+;; (require 'erlang-flymake)
+;;
+;; Flymake is rather eager and does its syntax checks frequently by
+;; default and if you are bothered by this, you might want to put the
+;; following in your .emacs as well:
+;;
+;; (erlang-flymake-only-on-save)
+;;
+;; There are a couple of variables which control the compilation options:
+;; * erlang-flymake-get-code-path-dirs-function
+;; * erlang-flymake-get-include-dirs-function
+;; * erlang-flymake-extra-opts
+;;
+;; This code is inspired by http://www.emacswiki.org/emacs/FlymakeErlang.
+
+(require 'flymake)
+(eval-when-compile
+ (require 'cl))
+
+(defvar erlang-flymake-command
+ "erlc"
+ "The command that will be used to perform the syntax check")
+
+(defvar erlang-flymake-get-code-path-dirs-function
+ 'erlang-flymake-get-code-path-dirs
+ "Return a list of ebin directories to add to the code path.")
+
+(defvar erlang-flymake-get-include-dirs-function
+ 'erlang-flymake-get-include-dirs
+ "Return a list of include directories to add to the compiler options.")
+
+(defvar erlang-flymake-extra-opts
+ (list "+warn_obsolete_guard"
+ "+warn_unused_import"
+ "+warn_shadow_vars"
+ "+warn_export_vars"
+ "+strong_validation"
+ "+report")
+ "A list of options that will be passed to the compiler")
+
+(defun erlang-flymake-only-on-save ()
+ "Trigger flymake only when the buffer is saved (disables syntax
+check on newline and when there are no changes)."
+ (interactive)
+ ;; There doesn't seem to be a way of disabling this; set to the
+ ;; largest int available as a workaround (most-positive-fixnum
+ ;; equates to 8.5 years on my machine, so it ought to be enough ;-) )
+ (setq flymake-no-changes-timeout most-positive-fixnum)
+ (setq flymake-start-syntax-check-on-newline nil))
+
+
+(defun erlang-flymake-get-code-path-dirs ()
+ (list (concat (erlang-flymake-get-app-dir) "ebin")))
+
+(defun erlang-flymake-get-include-dirs ()
+ (list (concat (erlang-flymake-get-app-dir) "include")))
+
+(defun erlang-flymake-get-app-dir ()
+ (let ((src-path (file-name-directory (buffer-file-name))))
+ (file-name-directory (directory-file-name src-path))))
+
+(defun erlang-flymake-init ()
+ (let* ((temp-file
+ (flet ((flymake-get-temp-dir () (erlang-flymake-temp-dir)))
+ (flymake-init-create-temp-buffer-copy
+ 'flymake-create-temp-with-folder-structure)))
+ (code-dir-opts
+ (erlang-flymake-flatten
+ (mapcar (lambda (dir) (list "-pa" dir))
+ (funcall erlang-flymake-get-code-path-dirs-function))))
+ (inc-dir-opts
+ (erlang-flymake-flatten
+ (mapcar (lambda (dir) (list "-I" dir))
+ (funcall erlang-flymake-get-include-dirs-function))))
+ (compile-opts
+ (append inc-dir-opts
+ code-dir-opts
+ erlang-flymake-extra-opts)))
+ (list erlang-flymake-command (append compile-opts (list temp-file)))))
+
+(defun erlang-flymake-temp-dir ()
+ ;; Squeeze the user's name in there in order to make sure that files
+ ;; for two users who are working on the same computer (like a linux
+ ;; box) don't collide
+ (format "%s/flymake-%s" temporary-file-directory user-login-name))
+
+(defun erlang-flymake-flatten (list)
+ (apply #'append list))
+
+(add-to-list 'flymake-allowed-file-name-masks
+ '("\\.erl\\'" erlang-flymake-init))
+(add-hook 'erlang-mode-hook 'flymake-mode)
+
+(provide 'erlang-flymake)
+;; erlang-flymake ends here
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index c31f76025e..91acfdf2b6 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -659,24 +659,30 @@ resulting regexp is surrounded by \\_< and \\_>."
(eval-and-compile
(defconst erlang-guards-regexp (erlang-regexp-opt erlang-guards 'symbols)))
-
(eval-and-compile
(defvar erlang-predefined-types
'("any"
"arity"
+ "boolean"
"byte"
"char"
"cons"
"deep_string"
+ "iolist"
"maybe_improper_list"
+ "module"
"mfa"
"nil"
+ "neg_integer"
"none"
"non_neg_integer"
"nonempty_list"
"nonempty_improper_list"
"nonempty_maybe_improper_list"
+ "no_return"
+ "pos_integer"
"string"
+ "term"
"timeout")
"Erlang type specs types"))
@@ -2484,9 +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'
@@ -2747,7 +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
@@ -2766,7 +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))
@@ -2795,19 +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 *\\($\\|%\\)")
@@ -2833,27 +2845,32 @@ Return nil if inside string, t if in a comment."
(current-column)))
;; Type and Spec indentation
((eq (car stack-top) '::)
- (cond ((null erlang-argument-indent)
- ;; indent to next column.
- (+ 2 (nth 2 stack-top)))
- ((looking-at "::[^_a-zA-Z0-9]")
- (nth 2 stack-top))
- (t
- (let ((start-alternativ (if (looking-at "|") 2 0)))
- (goto-char (nth 1 stack-top))
- (- (cond ((looking-at "::\\s *\\($\\|%\\)")
- ;; Line ends with ::
- (if (eq (car (car (last stack))) 'spec)
+ (if (looking-at "}")
+ ;; Closing record definition with types
+ ;; pop stack and recurse
+ (erlang-calculate-stack-indent indent-point
+ (cons (erlang-pop stack) (cdr state)))
+ (cond ((null erlang-argument-indent)
+ ;; indent to next column.
+ (+ 2 (nth 2 stack-top)))
+ ((looking-at "::[^_a-zA-Z0-9]")
+ (nth 2 stack-top))
+ (t
+ (let ((start-alternativ (if (looking-at "|") 2 0)))
+ (goto-char (nth 1 stack-top))
+ (- (cond ((looking-at "::\\s *\\($\\|%\\)")
+ ;; Line ends with ::
+ (if (eq (car (car (last stack))) 'spec)
(+ (erlang-indent-find-preceding-expr 1)
erlang-argument-indent)
- (+ (erlang-indent-find-preceding-expr 2)
- erlang-argument-indent)))
- (t
- ;; Indent to the same column as the first
- ;; argument.
- (goto-char (+ 2 (nth 1 stack-top)))
- (skip-chars-forward " \t")
- (current-column))) start-alternativ)))))
+ (+ (erlang-indent-find-preceding-expr 2)
+ erlang-argument-indent)))
+ (t
+ ;; Indent to the same column as the first
+ ;; argument.
+ (goto-char (+ 2 (nth 1 stack-top)))
+ (skip-chars-forward " \t")
+ (current-column))) start-alternativ))))))
)))
(defun erlang-indent-standard (indent-point token base inside-parenthesis)
diff --git a/lib/tools/emacs/test.erl.indented b/lib/tools/emacs/test.erl.indented
index 1dc976d8dc..2948ccf1b5 100644
--- a/lib/tools/emacs/test.erl.indented
+++ b/lib/tools/emacs/test.erl.indented
@@ -93,11 +93,27 @@
-type t13() :: maybe_improper_list(integer(), t11()).
-type t14() :: [erl_scan:foo() |
%% Should be highlighted
- non_neg_integer() | nonempty_list() |
+ term() |
+ bool() |
+ byte() |
+ char() |
+ non_neg_integer() | nonempty_list() |
+ pos_integer() |
+ neg_integer() |
+ number() |
+ list() |
nonempty_improper_list() | nonempty_maybe_improper_list() |
+ maybe_improper_list() | string() | iolist() | byte() |
+ module() |
+ mfa() |
+ node() |
+ timeout() |
+ no_return() |
%% Should not be highlighted
nonempty_() | nonlist() |
- erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
+ erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
+
+
-type t15() :: {binary(),<<>>,<<_:34>>,<<_:_*42>>,
<<_:3,_:_*14>>,<<>>} | [<<>>|<<_:34>>|<<_:16>>|
<<_:3,_:_*1472>>|<<_:19,_:_*14>>| <<_:34>>|
@@ -172,6 +188,9 @@
f19 = 3 :: integer()|undefined,
f5 = 3 :: undefined|integer()}).
+-record(state, {
+ sequence_number = 1 :: integer()
+ }).
highlighting(X) % Function definitions should be highlighted
@@ -493,7 +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, ",
@@ -551,14 +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 feb9e4e5a1..1221c5655e 100644
--- a/lib/tools/emacs/test.erl.orig
+++ b/lib/tools/emacs/test.erl.orig
@@ -93,11 +93,27 @@
-type t13() :: maybe_improper_list(integer(), t11()).
-type t14() :: [erl_scan:foo() |
%% Should be highlighted
- non_neg_integer() | nonempty_list() |
+ term() |
+ bool() |
+ byte() |
+ char() |
+ non_neg_integer() | nonempty_list() |
+ pos_integer() |
+ neg_integer() |
+ number() |
+ list() |
nonempty_improper_list() | nonempty_maybe_improper_list() |
+ maybe_improper_list() | string() | iolist() | byte() |
+ module() |
+ mfa() |
+ node() |
+ timeout() |
+ no_return() |
%% Should not be highlighted
nonempty_() | nonlist() |
-erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
+ erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
+
+
-type t15() :: {binary(),<<>>,<<_:34>>,<<_:_*42>>,
<<_:3,_:_*14>>,<<>>} | [<<>>|<<_:34>>|<<_:16>>|
<<_:3,_:_*1472>>|<<_:19,_:_*14>>| <<_:34>>|
@@ -172,6 +188,9 @@ f18 :: 1 | 2 | 'undefined',
f19 = 3 :: integer()|undefined,
f5 = 3 :: undefined|integer()}).
+-record(state, {
+ sequence_number = 1 :: integer()
+ }).
highlighting(X) % Function definitions should be highlighted
@@ -493,7 +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, ",
@@ -551,14 +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) ->
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-11 10:34:48 +0000