upstream/mercurial-mirror Files · contrib/hg-test-mode.el

revset: special case commonancestors(none()) to be empty set...

revset: special case commonancestors(none()) to be empty set This matches the behavior of ancestor(none()). From an implementation perspective, ancestor() and commonancestors() are intersection, and ancestors() is union, so it would make some sense that commonancestors(none()) returned all revisions. However, ancestor(none()) isn't implemented as such, which breaks ancestor(x) == max(commonancestors(x)). From a user perspective, ancestors of nothing is nothing whichever type of operation the ancestor predicate does.

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             hg-test-mode.el
        
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      ;; hg-test-mode.el - Major mode for editing Mercurial tests

      ;;

      ;; Copyright 2014 Matt Mackall <mpm@selenic.com>

      ;; "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))

      (provide 'hg-test-mode)

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				;; hg-test-mode.el - Major mode for editing Mercurial tests
				;;
				;; Copyright 2014 Matt Mackall <mpm@selenic.com>
				;; "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))

				(provide 'hg-test-mode)