diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/ert.el | 120 | ||||
| -rw-r--r-- | lisp/emacs-lisp/lisp-mode.el | 82 |
2 files changed, 192 insertions, 10 deletions
diff --git a/lisp/emacs-lisp/ert.el b/lisp/emacs-lisp/ert.el index 72fe19461f7..f2b20fd74e5 100644 --- a/lisp/emacs-lisp/ert.el +++ b/lisp/emacs-lisp/ert.el @@ -63,6 +63,7 @@ (require 'ewoc) (require 'find-func) (require 'pp) +(require 'map) ;;; UI customization options. @@ -2661,6 +2662,125 @@ To be used in the ERT results buffer." 'ert--activate-font-lock-keywords) nil) +(defun ert-test-erts-file (file &optional transform) + "Parse FILE as a file containing before/after parts. +TRANSFORM will be called to get from before to after." + (with-temp-buffer + (insert-file-contents file) + (let ((gen-specs (list (cons 'dummy t) + (cons 'code transform)))) + ;; The start of the "before" part starts with a form feed and then + ;; the name of the test. + (while (re-search-forward "^=-=\n" nil t) + (setq gen-specs (ert-test--erts-test gen-specs file)))))) + +(defun ert-test--erts-test (gen-specs file) + (let* ((file-buffer (current-buffer)) + (specs (ert--erts-specifications (match-beginning 0))) + (name (cdr (assq 'name specs))) + (start-before (point)) + (end-after (if (re-search-forward "^=-=-=\n" nil t) + (match-beginning 0) + (point-max))) + (skip (cdr (assq 'skip specs))) + end-before start-after + after after-point) + (unless name + (error "No name for test case")) + (if (and skip + (eval (car (read-from-string skip)))) + ;; Skipping this test. + () + ;; Do the test. + (goto-char end-after) + ;; We have a separate after section. + (if (re-search-backward "^=-=\n" start-before t) + (setq end-before (match-beginning 0) + start-after (match-end 0)) + (setq end-before end-after + start-after start-before)) + ;; Update persistent specs. + (when-let ((point-char (assq 'point-char specs))) + (setq gen-specs + (map-insert gen-specs 'point-char (cdr point-char)))) + (when-let ((code (cdr (assq 'code specs)))) + (setq gen-specs + (map-insert gen-specs 'code (car (read-from-string code))))) + ;; Get the "after" strings. + (with-temp-buffer + (insert-buffer-substring file-buffer start-after end-after) + (ert--erts-unquote) + ;; Remove the newline at the end of the buffer. + (when-let ((no-newline (cdr (assq 'no-after-newline specs)))) + (goto-char (point-min)) + (when (re-search-forward "\n\\'" nil t) + (delete-region (match-beginning 0) (match-end 0)))) + ;; Get the expected "after" point. + (when-let ((point-char (cdr (assq 'point-char gen-specs)))) + (goto-char (point-min)) + (when (search-forward point-char nil t) + (delete-region (match-beginning 0) (match-end 0)) + (setq after-point (point)))) + (setq after (buffer-string))) + ;; Do the test. + (with-temp-buffer + (insert-buffer-substring file-buffer start-before end-before) + (ert--erts-unquote) + ;; Remove the newline at the end of the buffer. + (when-let ((no-newline (cdr (assq 'no-before-newline specs)))) + (goto-char (point-min)) + (when (re-search-forward "\n\\'" nil t) + (delete-region (match-beginning 0) (match-end 0)))) + (goto-char (point-min)) + ;; Place point in the specified place. + (when-let ((point-char (cdr (assq 'point-char gen-specs)))) + (when (search-forward point-char nil t) + (delete-region (match-beginning 0) (match-end 0)))) + (let ((code (cdr (assq 'code gen-specs)))) + (unless code + (error "No code to run the transform")) + (funcall code)) + (unless (equal (buffer-string) after) + (ert-fail (list (format "Mismatch in test \"%s\", file %s" + name file) + (buffer-string) + after))) + (when (and after-point + (not (= after-point (point)))) + (ert-fail (list (format "Point wrong in test \"%s\", expected point %d, actual %d, file %s" + name + after-point (point) + file) + (buffer-string))))))) + ;; Return the new value of the general specifications. + gen-specs) + +(defun ert--erts-unquote () + (goto-char (point-min)) + (while (re-search-forward "^\\=-=\\(-=\\)$" nil t) + (delete-region (match-beginning 0) (1+ (match-beginning 0))))) + +(defun ert--erts-specifications (end) + "Find specifications before point (back to the previous test)." + (save-excursion + (goto-char end) + (goto-char + (if (re-search-backward "^=-=-=\n" nil t) + (match-end 0) + (point-min))) + (let ((specs nil)) + (while (< (point) end) + (if (looking-at "\\([^ \n\t:]+\\):\\([ \t]+\\)?\\(.*\\)") + (let ((name (intern (downcase (match-string 1)))) + (value (match-string 3))) + (forward-line 1) + (while (looking-at "[ \t]+\\(.*\\)") + (setq value (concat value (match-string 1))) + (forward-line 1)) + (push (cons name value) specs)) + (forward-line 1))) + (nreverse specs)))) + (defvar ert-unload-hook ()) (add-hook 'ert-unload-hook #'ert--unload-function) diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el index eac3c03cd1e..57196dfec49 100644 --- a/lisp/emacs-lisp/lisp-mode.el +++ b/lisp/emacs-lisp/lisp-mode.el @@ -29,6 +29,7 @@ ;;; Code: (eval-when-compile (require 'cl-lib)) +(eval-when-compile (require 'subr-x)) (defvar font-lock-comment-face) (defvar font-lock-doc-face) @@ -1105,6 +1106,62 @@ is the buffer position of the start of the containing expression." (t normal-indent)))))) +(defun lisp--local-defform-body-p (state) + "Return non-nil when at local definition body according to STATE. +STATE is the `parse-partial-sexp' state for current position." + (when-let ((start-of-innermost-containing-list (nth 1 state))) + (let* ((parents (nth 9 state)) + (second-cons-after (cddr parents)) + second-order-parent) + (while second-cons-after + (when (= start-of-innermost-containing-list + (car second-cons-after)) + (setq second-order-parent (car parents) + ;; Leave the loop. + second-cons-after nil)) + (pop second-cons-after) + (pop parents)) + (when second-order-parent + (save-excursion + (goto-char (1+ second-order-parent)) + (and (when-let ((head (ignore-errors + ;; FIXME: This does not distinguish + ;; between reading nil and a read error. + ;; We don't care but still, better fix this. + (read (current-buffer))))) + (memq head '( cl-flet cl-labels cl-macrolet cl-flet* + cl-symbol-macrolet))) + ;; Now we must check that we are + ;; in the second element of the flet-like form. + ;; It would be easier if `parse-partial-sexp' also recorded + ;; relative positions of subsexps in supersexps + ;; but it doesn't so we check manually. + ;; + ;; First, we must be looking at list now. + (ignore-errors (when (= (scan-lists (point) 1 0) + (scan-sexps (point) 1)) + ;; Looking at list; descend into it: + (down-list 1) + t)) + ;; In Wishful Lisp, the following form would be + ;; (cl-member start-of-innermost-containing-list + ;; (points-at-beginning-of-lists-at-this-level) + ;; :test #'=) + (cl-loop + with pos = (ignore-errors + ;; The first local definition may be indented + ;; with whitespace following open paren. + (goto-char (scan-lists (point) 1 0)) + (goto-char (scan-lists (point) -1 0)) + (point)) + while pos + do (if (= start-of-innermost-containing-list pos) + (cl-return t) + (setq pos (ignore-errors + (goto-char (scan-lists (point) 2 0)) + (goto-char (scan-lists (point) -1 0)) + (point))))))))))) + (defun lisp-indent-function (indent-point state) "This function is the normal value of the variable `lisp-indent-function'. The function `calculate-lisp-indent' calls this to determine @@ -1138,16 +1195,19 @@ Lisp function does not specify a special indentation." (if (and (elt state 2) (not (looking-at "\\sw\\|\\s_"))) ;; car of form doesn't seem to be a symbol - (progn + (if (lisp--local-defform-body-p state) + ;; We nevertheless check whether we are in flet-like form + ;; as we presume local function names could be non-symbols. + (lisp-indent-defform state indent-point) (if (not (> (save-excursion (forward-line 1) (point)) calculate-lisp-indent-last-sexp)) - (progn (goto-char calculate-lisp-indent-last-sexp) - (beginning-of-line) - (parse-partial-sexp (point) - calculate-lisp-indent-last-sexp 0 t))) - ;; Indent under the list or under the first sexp on the same - ;; line as calculate-lisp-indent-last-sexp. Note that first - ;; thing on that line has to be complete sexp since we are + (progn (goto-char calculate-lisp-indent-last-sexp) + (beginning-of-line) + (parse-partial-sexp (point) + calculate-lisp-indent-last-sexp 0 t))) + ;; Indent under the list or under the first sexp on the same + ;; line as calculate-lisp-indent-last-sexp. Note that first + ;; thing on that line has to be complete sexp since we are ;; inside the innermost containing sexp. (backward-prefix-chars) (current-column)) @@ -1160,13 +1220,15 @@ Lisp function does not specify a special indentation." (cond ((or (eq method 'defun) (and (null method) (> (length function) 3) - (string-match "\\`def" function))) + (string-match "\\`def" function)) + ;; Check whether we are in flet-like form. + (lisp--local-defform-body-p state)) (lisp-indent-defform state indent-point)) ((integerp method) (lisp-indent-specform method state indent-point normal-indent)) (method - (funcall method indent-point state))))))) + (funcall method indent-point state))))))) (defcustom lisp-body-indent 2 "Number of columns to indent the second line of a `(def...)' form." |