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authorakater <nuclearspace@gmail.com>2021-07-20 01:25:01 +0000
committerStefan Monnier <monnier@iro.umontreal.ca>2021-08-03 18:26:15 -0400
commit6535fd1fa9ac21238a168916249ac59677a6118e (patch)
tree578c03c4b8eeadc5d7ee164c325c5b6f6e523eb3 /lisp/emacs-lisp
parent88577aed3a17109bb7b13871f185133641c25e73 (diff)
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Evaluate eql specializers
* lisp/emacs-lisp/cl-generic.el (cl-generic-generalizers): Evaluate forms that are eql specializers. Provide backward compatibility with a warning. * test/lisp/emacs-lisp/cl-generic-tests.el: Add a test. * lisp/emacs-lisp/bindat.el (bindat--type): Adhere to the new rule. * lisp/emacs-lisp/edebug.el (edebug--match-&-spec-op): Adhere to the new rule. * lisp/emacs-lisp/map.el (map-into): Adhere to the new rule. * lisp/emacs-lisp/radix-tree.el (map-into): Adhere to the new rule. * lisp/frame.el (cl-generic-define-context-rewriter): Adhere to the new rule. * lisp/gnus/gnus-search.el (gnus-search-transform-expression): Adhere to the new rule. * lisp/image/image-converter.el (image-converter--probe image-converter--convert): Adhere to the new rule. * lisp/mail/smtpmail.el (smtpmail-try-auth-method): Adhere to the new rule. * lisp/progmodes/elisp-mode.el (xref-backend-definitions) (xref-backend-apropos): Adhere to the new rule. * lisp/progmodes/etags.el (xref-backend-identifier-at-point) (xref-backend-identifier-completion-table) (xref-backend-identifier-completion-ignore-case) (xref-backend-definitions)(xref-backend-apropos): Adhere to the new rule. * test/lisp/emacs-lisp/checkdoc-tests.el (checkdoc-cl-defmethod-with-types-ok) (checkdoc-cl-defmethod-qualified-ok) (checkdoc-cl-defmethod-with-extra-qualifier-ok): Adhere to the new rule. * etc/NEWS: Describe the change.
Diffstat (limited to 'lisp/emacs-lisp')
-rw-r--r--lisp/emacs-lisp/bindat.el24
-rw-r--r--lisp/emacs-lisp/cl-generic.el12
-rw-r--r--lisp/emacs-lisp/edebug.el18
-rw-r--r--lisp/emacs-lisp/map.el8
-rw-r--r--lisp/emacs-lisp/radix-tree.el2
5 files changed, 37 insertions, 27 deletions
diff --git a/lisp/emacs-lisp/bindat.el b/lisp/emacs-lisp/bindat.el
index 247fb91379e..76c2e80fda8 100644
--- a/lisp/emacs-lisp/bindat.el
+++ b/lisp/emacs-lisp/bindat.el
@@ -657,33 +657,33 @@ The port (if any) is omitted. IP can be a string, as well."
OP can be one of: unpack', (pack VAL), or (length VAL) where VAL
is the name of a variable that will hold the value we need to pack.")
-(cl-defmethod bindat--type (op (_ (eql byte)))
+(cl-defmethod bindat--type (op (_ (eql 'byte)))
(bindat--pcase op
('unpack `(bindat--unpack-u8))
(`(length . ,_) `(cl-incf bindat-idx 1))
(`(pack . ,args) `(bindat--pack-u8 . ,args))))
-(cl-defmethod bindat--type (op (_ (eql uint)) n)
+(cl-defmethod bindat--type (op (_ (eql 'uint)) n)
(if (eq n 8) (bindat--type op 'byte)
(bindat--pcase op
('unpack `(bindat--unpack-uint ,n))
(`(length . ,_) `(cl-incf bindat-idx (/ ,n 8)))
(`(pack . ,args) `(bindat--pack-uint ,n . ,args)))))
-(cl-defmethod bindat--type (op (_ (eql uintr)) n)
+(cl-defmethod bindat--type (op (_ (eql 'uintr)) n)
(if (eq n 8) (bindat--type op 'byte)
(bindat--pcase op
('unpack `(bindat--unpack-uintr ,n))
(`(length . ,_) `(cl-incf bindat-idx (/ ,n 8)))
(`(pack . ,args) `(bindat--pack-uintr ,n . ,args)))))
-(cl-defmethod bindat--type (op (_ (eql str)) len)
+(cl-defmethod bindat--type (op (_ (eql 'str)) len)
(bindat--pcase op
('unpack `(bindat--unpack-str ,len))
(`(length . ,_) `(cl-incf bindat-idx ,len))
(`(pack . ,args) `(bindat--pack-str ,len . ,args))))
-(cl-defmethod bindat--type (op (_ (eql strz)) &optional len)
+(cl-defmethod bindat--type (op (_ (eql 'strz)) &optional len)
(bindat--pcase op
('unpack `(bindat--unpack-strz ,len))
(`(length ,val)
@@ -701,25 +701,25 @@ is the name of a variable that will hold the value we need to pack.")
(bindat--pack-str ,len . ,args)
(bindat--pack-strz . ,args))))))
-(cl-defmethod bindat--type (op (_ (eql bits)) len)
+(cl-defmethod bindat--type (op (_ (eql 'bits)) len)
(bindat--pcase op
('unpack `(bindat--unpack-bits ,len))
(`(length . ,_) `(cl-incf bindat-idx ,len))
(`(pack . ,args) `(bindat--pack-bits ,len . ,args))))
-(cl-defmethod bindat--type (_op (_ (eql fill)) len)
+(cl-defmethod bindat--type (_op (_ (eql 'fill)) len)
`(progn (cl-incf bindat-idx ,len) nil))
-(cl-defmethod bindat--type (_op (_ (eql align)) len)
+(cl-defmethod bindat--type (_op (_ (eql 'align)) len)
`(progn (cl-callf bindat--align bindat-idx ,len) nil))
-(cl-defmethod bindat--type (op (_ (eql type)) exp)
+(cl-defmethod bindat--type (op (_ (eql 'type)) exp)
(bindat--pcase op
('unpack `(funcall (bindat--type-ue ,exp)))
(`(length . ,args) `(funcall (bindat--type-le ,exp) . ,args))
(`(pack . ,args) `(funcall (bindat--type-pe ,exp) . ,args))))
-(cl-defmethod bindat--type (op (_ (eql vec)) count &rest type)
+(cl-defmethod bindat--type (op (_ (eql 'vec)) count &rest type)
(unless type (setq type '(byte)))
(let ((fun (macroexpand-all (bindat--fun type) macroexpand-all-environment)))
(bindat--pcase op
@@ -743,10 +743,10 @@ is the name of a variable that will hold the value we need to pack.")
`(dotimes (bindat--i ,count)
(funcall ,fun (elt ,val bindat--i)))))))
-(cl-defmethod bindat--type (op (_ (eql unit)) val)
+(cl-defmethod bindat--type (op (_ (eql 'unit)) val)
(pcase op ('unpack val) (_ nil)))
-(cl-defmethod bindat--type (op (_ (eql struct)) &rest args)
+(cl-defmethod bindat--type (op (_ (eql 'struct)) &rest args)
(apply #'bindat--type op args))
(cl-defmethod bindat--type (op (_ (eql :pack-var)) var &rest fields)
diff --git a/lisp/emacs-lisp/cl-generic.el b/lisp/emacs-lisp/cl-generic.el
index 544704be387..941e436ff78 100644
--- a/lisp/emacs-lisp/cl-generic.el
+++ b/lisp/emacs-lisp/cl-generic.el
@@ -1158,7 +1158,12 @@ These match if the argument is a cons cell whose car is `eql' to VAL."
(cl-defmethod cl-generic-generalizers ((specializer (head eql)))
"Support for (eql VAL) specializers.
These match if the argument is `eql' to VAL."
- (puthash (cadr specializer) specializer cl--generic-eql-used)
+ (let ((form (cadr specializer)))
+ (puthash (if (or (not (symbolp form)) (macroexp-const-p form))
+ (eval form t)
+ (message "Quoting obsolete `eql' form: %S" specializer)
+ form)
+ specializer cl--generic-eql-used))
(list cl--generic-eql-generalizer))
(cl--generic-prefill-dispatchers 0 (eql nil))
@@ -1269,6 +1274,11 @@ Used internally for the (major-mode MODE) context specializers."
(cl-generic-define-context-rewriter major-mode (mode &rest modes)
`(major-mode ,(if (consp mode)
;;E.g. could be (eql ...)
+ ;; WARNING: unsure whether this
+ ;; “could be (eql ...)” commentary (or code)
+ ;; should be adjusted
+ ;; following the (planned) changes to eql specializer.
+ ;; Bug #47327
(progn (cl-assert (null modes)) mode)
`(derived-mode ,mode . ,modes))))
diff --git a/lisp/emacs-lisp/edebug.el b/lisp/emacs-lisp/edebug.el
index 2aec8197dc9..7def9ff96a7 100644
--- a/lisp/emacs-lisp/edebug.el
+++ b/lisp/emacs-lisp/edebug.el
@@ -1731,7 +1731,7 @@ contains a circular object."
(defsubst edebug-match-body (cursor) (edebug-forms cursor))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &optional)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&optional)) cursor specs)
;; Keep matching until one spec fails.
(edebug-&optional-wrapper cursor specs #'edebug-&optional-wrapper))
@@ -1755,7 +1755,7 @@ contains a circular object."
"Handle &foo spec operators.
&foo spec operators operate on all the subsequent SPECS.")
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &rest)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&rest)) cursor specs)
;; Repeatedly use specs until failure.
(let (edebug-best-error
edebug-error-point)
@@ -1768,7 +1768,7 @@ contains a circular object."
(edebug-&optional-wrapper c (or s specs) rh)))))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &or)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&or)) cursor specs)
;; Keep matching until one spec succeeds, and return its results.
;; If none match, fail.
;; This needs to be optimized since most specs spend time here.
@@ -1792,7 +1792,7 @@ contains a circular object."
(apply #'edebug-no-match cursor "Expected one of" original-specs))
))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &interpose)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&interpose)) cursor specs)
"Compute the specs for `&interpose SPEC FUN ARGS...'.
Extracts the head of the data by matching it against SPEC,
and then matches the rest by calling (FUN HEAD PF ARGS...)
@@ -1817,7 +1817,7 @@ a sequence of elements."
(append instrumented-head (edebug-match cursor newspecs)))
,@args))))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &not)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&not)) cursor specs)
;; If any specs match, then fail
(if (null (catch 'no-match
(let ((edebug-gate nil))
@@ -1829,7 +1829,7 @@ a sequence of elements."
;; This means nothing matched, so it is OK.
nil) ;; So, return nothing
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &key)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&key)) cursor specs)
;; Following specs must look like (<name> <spec>) ...
;; where <name> is the name of a keyword, and spec is its spec.
;; This really doesn't save much over the expanded form and takes time.
@@ -1842,7 +1842,7 @@ a sequence of elements."
(car (cdr pair))))
specs))))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &error)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&error)) cursor specs)
;; Signal an error, using the following string in the spec as argument.
(let ((error-string (car specs))
(edebug-error-point (edebug-before-offset cursor)))
@@ -1942,7 +1942,7 @@ a sequence of elements."
(defun edebug-match-function (_cursor)
(error "Use function-form instead of function in edebug spec"))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &define)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&define)) cursor specs)
;; Match a defining form.
;; Normally, &define is interpreted specially other places.
;; This should only be called inside of a spec list to match the remainder
@@ -1958,7 +1958,7 @@ a sequence of elements."
;; Stop backtracking here (Bug#41988).
(setq edebug-gate t)))
-(cl-defmethod edebug--match-&-spec-op ((_ (eql &name)) cursor specs)
+(cl-defmethod edebug--match-&-spec-op ((_ (eql '&name)) cursor specs)
"Compute the name for `&name SPEC FUN` spec operator.
The full syntax of that operator is:
diff --git a/lisp/emacs-lisp/map.el b/lisp/emacs-lisp/map.el
index 5c76fb9eb95..c59342875db 100644
--- a/lisp/emacs-lisp/map.el
+++ b/lisp/emacs-lisp/map.el
@@ -407,15 +407,15 @@ See `map-into' for all supported values of TYPE."
"Convert MAP into a map of TYPE.")
;; FIXME: I wish there was a way to avoid this η-redex!
-(cl-defmethod map-into (map (_type (eql list)))
+(cl-defmethod map-into (map (_type (eql 'list)))
"Convert MAP into an alist."
(map-pairs map))
-(cl-defmethod map-into (map (_type (eql alist)))
+(cl-defmethod map-into (map (_type (eql 'alist)))
"Convert MAP into an alist."
(map-pairs map))
-(cl-defmethod map-into (map (_type (eql plist)))
+(cl-defmethod map-into (map (_type (eql 'plist)))
"Convert MAP into a plist."
(let (plist)
(map-do (lambda (k v) (setq plist `(,v ,k ,@plist))) map)
@@ -510,7 +510,7 @@ KEYWORD-ARGS are forwarded to `make-hash-table'."
map)
ht))
-(cl-defmethod map-into (map (_type (eql hash-table)))
+(cl-defmethod map-into (map (_type (eql 'hash-table)))
"Convert MAP into a hash-table with keys compared with `equal'."
(map--into-hash map (list :size (map-length map) :test #'equal)))
diff --git a/lisp/emacs-lisp/radix-tree.el b/lisp/emacs-lisp/radix-tree.el
index fb659753501..a529ed025d6 100644
--- a/lisp/emacs-lisp/radix-tree.el
+++ b/lisp/emacs-lisp/radix-tree.el
@@ -240,7 +240,7 @@ PREFIX is only used internally."
(declare-function map-apply "map" (function map))
(defun radix-tree-from-map (map)
- ;; Aka (cl-defmethod map-into (map (type (eql radix-tree)))) ...)
+ ;; Aka (cl-defmethod map-into (map (type (eql 'radix-tree)))) ...)
(require 'map)
(let ((rt nil))
(map-apply (lambda (k v) (setq rt (radix-tree-insert rt k v))) map)