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wireprotov2: allow multiple fields to follow revision maps...
wireprotov2: allow multiple fields to follow revision maps The *data wire protocol commands emit a series of CBOR values. Because revision/delta data may be large, their data is emitted outside the map as a top-level bytestring value. Before this commit, we'd emit a single optional bytestring value after the revision descriptor map. This got the job done. But it was limiting in that we could only send a single field. And, it required the consumer to know that the presence of a key in the map implied the existence of a following bytestring value. This commit changes the encoding strategy so top-level bytestring values in the stream are explicitly denoted in a "fieldsfollowing" key. This key contains an array defining what fields that follow and the expected size of each field. By defining things this way, we can easily send N bytestring values without any ambiguity about their order. In addition, clients only need to know how to parse ``fieldsfollowing`` to know if extra values are present. Because this breaks backwards compatibility, we've bumped the version number of the wire protocol version 2 API endpoint. Differential Revision: https://phab.mercurial-scm.org/D4620
Matt Mackall - - Load All Authors

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hg-test-mode.el
56 lines | 1.9 KiB | text/x-common-lisp | EmacsLispLexer
/ contrib / 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)