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-rw-r--r--lib/tools/emacs/Makefile24
-rw-r--r--lib/tools/emacs/erlang.el62
-rw-r--r--lib/tools/emacs/test.erl.indented43
-rw-r--r--lib/tools/emacs/test.erl.orig43
4 files changed, 155 insertions, 17 deletions
diff --git a/lib/tools/emacs/Makefile b/lib/tools/emacs/Makefile
index 8533488463..69946be24a 100644
--- a/lib/tools/emacs/Makefile
+++ b/lib/tools/emacs/Makefile
@@ -71,9 +71,9 @@ docs:
include $(ERL_TOP)/make/otp_release_targets.mk
release_spec: opt
- $(INSTALL_DIR) $(RELSYSDIR)/emacs
+ $(INSTALL_DIR) "$(RELSYSDIR)/emacs"
$(INSTALL_DATA) $(EL_FILES) $(README_FILES) $(TEST_FILES) \
- $(RELSYSDIR)/emacs
+ "$(RELSYSDIR)/emacs"
ifeq ($(DOCTYPE),pdf)
release_docs_spec:
@@ -82,7 +82,23 @@ ifeq ($(DOCTYPE),ps)
release_docs_spec:
else
release_docs_spec: docs
- $(INSTALL_DIR) $(RELEASE_PATH)/man/man3
- $(INSTALL_DATA) $(MAN_FILES) $(RELEASE_PATH)/man/man3
+ $(INSTALL_DIR) "$(RELEASE_PATH)/man/man3"
+ $(INSTALL_DATA) $(MAN_FILES) "$(RELEASE_PATH)/man/man3"
endif
endif
+
+EMACS ?= emacs
+
+test_indentation:
+ @rm -f test.erl
+ @rm -f test_indent.el
+ @echo '(load "erlang-start")' >> test_indent.el
+ @echo '(find-file "test.erl.orig")' >> test_indent.el
+ @echo "(require 'cl) ; required with Emacs < 23 for ignore-errors" >> test_indent.el
+ @echo '(erlang-mode)' >> test_indent.el
+ @echo '(toggle-debug-on-error)' >> test_indent.el
+ @echo '(erlang-indent-current-buffer)' >> test_indent.el
+ @echo '(write-file "test.erl")' >> test_indent.el
+ $(EMACS) --batch -Q -L . -l test_indent.el
+ diff -u test.erl.indented test.erl
+ @echo "No differences between expected and actual indentation"
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index bc7a190fb4..8f98d6c85c 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -1516,7 +1516,7 @@ Other commands:
;; A dollar sign right before the double quote that ends a
;; string is not a character escape.
;;
- ;; And a "string" has with a double quote not escaped by a
+ ;; And a "string" consists of a double quote not escaped by a
;; dollar sign, any number of non-backslash non-newline
;; characters or escaped backslashes, a dollar sign
;; (otherwise we wouldn't care) and a double quote. This
@@ -1525,6 +1525,8 @@ Other commands:
;; know whether matching started inside a string: limiting
;; search to a single line keeps things sane.
. (("\\(?:^\\|[^$]\\)\"\\(?:[^\"\n]\\|\\\\\"\\)*\\(\\$\\)\"" 1 "w")
+ ;; Likewise for atoms
+ ("\\(?:^\\|[^$]\\)'\\(?:[^'\n]\\|\\\\'\\)*\\(\\$\\)'" 1 "w")
;; And the dollar sign in $\" escapes two characters, not
;; just one.
("\\(\\$\\)\\\\\\\"" 1 "'"))))))
@@ -2986,18 +2988,52 @@ This assumes that the preceding expression is either simple
(forward-sexp (- arg))
(let ((col (current-column)))
(skip-chars-backward " \t")
- ;; Needed to match the colon in "'foo':'bar'".
- (if (not (memq (preceding-char) '(?# ?:)))
- col
- ;; Special hack to handle: (note line break)
- ;; [#myrecord{
- ;; foo = foo}]
- (or
- (ignore-errors
- (backward-char 1)
- (forward-sexp -1)
- (current-column))
- col)))))
+ ;; Special hack to handle: (note line break)
+ ;; [#myrecord{
+ ;; foo = foo}]
+ ;; where the call (forward-sexp -1) will fail when point is at the `#'.
+ (or
+ (ignore-errors
+ ;; Needed to match the colon in "'foo':'bar'".
+ (cond ((eq (preceding-char) ?:)
+ (backward-char 1)
+ (forward-sexp -1)
+ (current-column))
+ ((eq (preceding-char) ?#)
+ ;; We may now be at:
+ ;; - either a construction of a new record
+ ;; - or update of a record, in which case we want
+ ;; the column of the expression to be updated.
+ ;;
+ ;; To see which of the two cases we are at, we first
+ ;; move an expression backwards, check for keywords,
+ ;; then immediately an expression forwards. Moving
+ ;; backwards skips past tokens like `,' or `->', but
+ ;; when moving forwards again, we won't skip past such
+ ;; tokens. We use this: if, after having moved
+ ;; forwards, we're back where we started, then it was
+ ;; a record update.
+ ;; The check for keywords is to detect cases like:
+ ;; case Something of #record_construction{...}
+ (backward-char 1)
+ (let ((record-start (point))
+ (record-start-col (current-column)))
+ (forward-sexp -1)
+ (let ((preceding-expr-col (current-column))
+ ;; white space definition according to erl_scan
+ (white-space "\000-\040\200-\240"))
+ (if (erlang-at-keyword)
+ ;; The (forward-sexp -1) call moved past a keyword
+ (1+ record-start-col)
+ (forward-sexp 1)
+ (skip-chars-forward white-space record-start)
+ ;; Are we back where we started? If so, it was an update.
+ (if (= (point) record-start)
+ preceding-expr-col
+ (goto-char record-start)
+ (1+ (current-column)))))))
+ (t col)))
+ col))))
(defun erlang-indent-parenthesis (stack-position)
(let ((previous (erlang-indent-find-preceding-expr)))
diff --git a/lib/tools/emacs/test.erl.indented b/lib/tools/emacs/test.erl.indented
index 2948ccf1b5..45d9593000 100644
--- a/lib/tools/emacs/test.erl.indented
+++ b/lib/tools/emacs/test.erl.indented
@@ -215,6 +215,11 @@ highlighting(X) % Function definitions should be highlighted
"char $in string", atom,
+ 'atom$', atom, 'atom$', atom,
+ 'atom\$', atom,
+
+ 'char $in atom', atom,
+
$[, ${, $\\, atom,
?MACRO_1,
?MACRO_2(foo),
@@ -657,3 +662,41 @@ indent_comprehensions() ->
foo() ->
[#foo{
foo = foo}].
+
+%% Record indentation
+some_function_with_a_very_long_name() ->
+ #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b},
+ case dummy_function_with_a_very_very_long_name(x) of
+ #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b} ->
+ ok;
+ Var = #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b} ->
+ Var#'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b};
+ #xyz{
+ a=1,
+ b=2} ->
+ ok
+ end.
+
+another_function_with_a_very_very_long_name() ->
+ #rec{
+ field1=1,
+ field2=1}.
+
+some_function_name_xyz(xyzzy, #some_record{
+ field1=Field1,
+ field2=Field2}) ->
+ SomeVariable = f(#'Some-long-record-name'{
+ field_a = 1,
+ 'inter-xyz-parameters' =
+ #'Some-other-very-long-record-name'{
+ field2 = Field1,
+ field2 = Field2}}),
+ {ok, SomeVariable}.
diff --git a/lib/tools/emacs/test.erl.orig b/lib/tools/emacs/test.erl.orig
index 1221c5655e..e123150dd1 100644
--- a/lib/tools/emacs/test.erl.orig
+++ b/lib/tools/emacs/test.erl.orig
@@ -215,6 +215,11 @@ highlighting(X) % Function definitions should be highlighted
"char $in string", atom,
+ 'atom$', atom, 'atom$', atom,
+ 'atom\$', atom,
+
+ 'char $in atom', atom,
+
$[, ${, $\\, atom,
?MACRO_1,
?MACRO_2(foo),
@@ -657,3 +662,41 @@ ok.
foo() ->
[#foo{
foo = foo}].
+
+%% Record indentation
+some_function_with_a_very_long_name() ->
+ #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b},
+ case dummy_function_with_a_very_very_long_name(x) of
+ #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b} ->
+ ok;
+ Var = #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b} ->
+ Var#'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b};
+ #xyz{
+ a=1,
+ b=2} ->
+ ok
+ end.
+
+another_function_with_a_very_very_long_name() ->
+ #rec{
+ field1=1,
+ field2=1}.
+
+some_function_name_xyz(xyzzy, #some_record{
+ field1=Field1,
+ field2=Field2}) ->
+ SomeVariable = f(#'Some-long-record-name'{
+ field_a = 1,
+ 'inter-xyz-parameters' =
+ #'Some-other-very-long-record-name'{
+ field2 = Field1,
+ field2 = Field2}}),
+ {ok, SomeVariable}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 08:49:24 +0000