view contrib/hg-test-mode.el @ 46578:a34cd9aa3323

copies-rust: yield both p1 and p2 copies in `ChangedFiles.actions()`

Instead of filtering the relevant parent inside de ChangedFiles method, we now
yield all copies information and let the caller do the filtering. Soon, the
filtering will be replaced by dispatching.

Differential Revision: https://phab.mercurial-scm.org/D9649

;; hg-test-mode.el - Major mode for editing Mercurial tests
;;
;; Copyright 2014 Matt Mackall <[e-mail]>
;; "I have no idea what I'm doing"
;;
;; This software may be used and distributed according to the terms of the
;; GNU General Public License version 2 or any later version.
;;
;; To enable, add something like the following to your .emacs:
;;
;; (if (file-exists-p "~/hg/contrib/hg-test-mode.el")
;;    (load "~/hg/contrib/hg-test-mode.el"))

(defvar hg-test-mode-hook nil)

(defvar hg-test-mode-map
  (let ((map (make-keymap)))
    (define-key map "\C-j" 'newline-and-indent)
    map)
  "Keymap for hg test major mode")

(add-to-list 'auto-mode-alist '("\\.t\\'" . hg-test-mode))

(defconst hg-test-font-lock-keywords-1
  (list
   '("^  \\(\\$\\|>>>\\) " 1 font-lock-builtin-face)
   '("^  \\(>\\|\\.\\.\\.\\) " 1 font-lock-constant-face)
   '("^  \\([[][0-9]+[]]\\)$" 1 font-lock-warning-face)
   '("^  \\(.*?\\)\\(\\( [(][-a-z]+[)]\\)*\\)$" 1 font-lock-string-face)
   '("\\$?\\(HG\\|TEST\\)\\w+=?" . font-lock-variable-name-face)
   '("^  \\(.*?\\)\\(\\( [(][-a-z]+[)]\\)+\\)$" 2 font-lock-type-face)
   '("^#.*" . font-lock-preprocessor-face)
   '("^\\([^ ].*\\)$" 1 font-lock-comment-face)
   )
  "Minimal highlighting expressions for hg-test mode")

(defvar hg-test-font-lock-keywords hg-test-font-lock-keywords-1
  "Default highlighting expressions for hg-test mode")

(defvar hg-test-mode-syntax-table
  (let ((st (make-syntax-table)))
    (modify-syntax-entry ?\" "w" st) ;; disable standard quoting
    st)
"Syntax table for hg-test mode")

(defun hg-test-mode ()
  (interactive)
  (kill-all-local-variables)
  (use-local-map hg-test-mode-map)
  (set-syntax-table hg-test-mode-syntax-table)
  (set (make-local-variable 'font-lock-defaults) '(hg-test-font-lock-keywords))
  (setq major-mode 'hg-test-mode)
  (setq mode-name "hg-test")
  (run-hooks 'hg-test-mode-hook))

(with-eval-after-load "compile"
  ;; Link to Python sources in tracebacks in .t failures.
  (add-to-list 'compilation-error-regexp-alist-alist
               '(hg-test-output-python-tb
                 "^\\+ +File ['\"]\\([^'\"]+\\)['\"], line \\([0-9]+\\)," 1 2))
  (add-to-list 'compilation-error-regexp-alist 'hg-test-output-python-tb)
  ;; Link to source files in test-check-code.t violations.
  (add-to-list 'compilation-error-regexp-alist-alist
               '(hg-test-check-code-output
                 "\\+  \\([^:\n]+\\):\\([0-9]+\\):$" 1 2))
  (add-to-list 'compilation-error-regexp-alist 'hg-test-check-code-output))

(defun hg-test-mode--test-one-error-line-regexp (test)
  (erase-buffer)
  (setq compilation-locs (make-hash-table))
  (insert (car test))
  (compilation-parse-errors (point-min) (point-max))
  (let ((msg (get-text-property 1 'compilation-message)))
    (should msg)
    (let ((loc (compilation--message->loc msg))
          (line (nth 1 test))
          (file (nth 2 test)))
      (should (equal (compilation--loc->line loc) line))
      (should (equal (caar (compilation--loc->file-struct loc)) file)))
      msg))

(require 'ert)
(ert-deftest hg-test-mode--compilation-mode-support ()
  "Test hg-specific compilation-mode regular expressions"
  (require 'compile)
  (with-temp-buffer
    (font-lock-mode -1)
    (mapc 'hg-test-mode--test-one-error-line-regexp
          '(
            ("+  contrib/debugshell.py:37:" 37 "contrib/debugshell.py")
            ("+    File \"/tmp/hg/mercurial/commands.py\", line 3115, in help_"
             3115 "/tmp/hg/mercurial/commands.py")
            ("+    File \"mercurial/dispatch.py\", line 225, in dispatch"
             225 "mercurial/dispatch.py")))))


(provide 'hg-test-mode)