From 41571fc2d5515f0ede893eba0cc1ce316ef575a2 Mon Sep 17 00:00:00 2001 From: Gabriel Date: Wed, 20 Nov 2024 23:07:28 -0300 Subject: [PATCH] Add go-work-ts-mode * admin/notes/tree-sitter/build-module/batch.sh: * admin/notes/tree-sitter/build-module/build.sh: Add go-work support. * etc/NEWS: Mention go-work-ts-mode. * lisp/progmodes/eglot.el (eglot-server-programs): Add go-work-ts-mode. * lisp/progmodes/go-ts-mode: Add go-work-ts-mode for working with workspace files. * lisp/progmodes/go-ts-mode: Add the repositories for the grammars to the commentary section. * lisp/progmodes/go-ts-mode (go-mod-ts-mode--in-directive-p): Be more specific on the directive location. --- admin/notes/tree-sitter/build-module/batch.sh | 1 + admin/notes/tree-sitter/build-module/build.sh | 5 + etc/NEWS | 6 ++ lisp/progmodes/eglot.el | 2 +- lisp/progmodes/go-ts-mode.el | 101 +++++++++++++++++- 5 files changed, 113 insertions(+), 2 deletions(-) diff --git a/admin/notes/tree-sitter/build-module/batch.sh b/admin/notes/tree-sitter/build-module/batch.sh index 012b5882e83..1b5214267f5 100755 --- a/admin/notes/tree-sitter/build-module/batch.sh +++ b/admin/notes/tree-sitter/build-module/batch.sh @@ -11,6 +11,7 @@ languages=( 'elixir' 'go' 'go-mod' + 'go-work' 'heex' 'html' 'java' diff --git a/admin/notes/tree-sitter/build-module/build.sh b/admin/notes/tree-sitter/build-module/build.sh index 9a567bb094d..263de388b00 100755 --- a/admin/notes/tree-sitter/build-module/build.sh +++ b/admin/notes/tree-sitter/build-module/build.sh @@ -39,6 +39,11 @@ case "${lang}" in lang="gomod" org="camdencheek" ;; + "go-work") + # The parser is called "gowork". + lang="gomod" + org="omertuc" + ;; "heex") org="phoenixframework" ;; diff --git a/etc/NEWS b/etc/NEWS index b6c21018779..a07d9300fe9 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -925,6 +925,12 @@ current buffer, if the major mode supports it. (Support for Transformed images are smoothed using the bilinear interpolation by means of the GDI+ library. +--- +** New major mode 'go-work-ts-mode'. +A major mode based on the tree-sitter library for editing "go.work" +files. If tree-sitter is properly set-up by the user, it can be +enabled for files named "go.work". + ---------------------------------------------------------------------- This file is part of GNU Emacs. diff --git a/lisp/progmodes/eglot.el b/lisp/progmodes/eglot.el index e5c27de81fc..4dbb0906b9e 100644 --- a/lisp/progmodes/eglot.el +++ b/lisp/progmodes/eglot.el @@ -273,7 +273,7 @@ automatically)." (elm-mode . ("elm-language-server")) (mint-mode . ("mint" "ls")) ((kotlin-mode kotlin-ts-mode) . ("kotlin-language-server")) - ((go-mode go-dot-mod-mode go-dot-work-mode go-ts-mode go-mod-ts-mode) + ((go-mode go-dot-mod-mode go-dot-work-mode go-ts-mode go-mod-ts-mode go-work-ts-mode) . ("gopls")) ((R-mode ess-r-mode) . ("R" "--slave" "-e" "languageserver::run()")) diff --git a/lisp/progmodes/go-ts-mode.el b/lisp/progmodes/go-ts-mode.el index 86e74ad58a8..288b543ae5c 100644 --- a/lisp/progmodes/go-ts-mode.el +++ b/lisp/progmodes/go-ts-mode.el @@ -24,6 +24,9 @@ ;;; Commentary: ;; +;; - Go grammar: https://github.com/tree-sitter/tree-sitter-go +;; - Go module grammar: https://github.com/camdencheek/tree-sitter-go-mod +;; - Go workspace grammar: https://github.com/omertuc/tree-sitter-go-work ;;; Code: @@ -483,7 +486,7 @@ be run." "Tree-sitter indent rules for `go-mod-ts-mode'.") (defun go-mod-ts-mode--in-directive-p () - "Return non-nil if point is inside a directive. + "Return non-nil if point is inside a Go module directive. When entering an empty directive or adding a new entry to one, no node will be present meaning none of the indentation rules will match, because there is no parent to match against. This function determines @@ -565,6 +568,102 @@ what the parent of the node would be if it were a node." (if (treesit-ready-p 'gomod) (add-to-list 'auto-mode-alist '("/go\\.mod\\'" . go-mod-ts-mode))) +;; go.work support. + +(defvar go-work-ts-mode--syntax-table + (let ((table (make-syntax-table))) + (modify-syntax-entry ?/ ". 124b" table) + (modify-syntax-entry ?\n "> b" table) + table) + "Syntax table for `go-work-ts-mode'.") + +(defvar go-work-ts-mode--indent-rules + `((gowork + ((node-is ")") parent-bol 0) + ((parent-is "replace_directive") parent-bol go-ts-mode-indent-offset) + ((parent-is "use_directive") parent-bol go-ts-mode-indent-offset) + ((go-work-ts-mode--in-directive-p) no-indent go-ts-mode-indent-offset) + (no-node no-indent 0))) + "Tree-sitter indent rules for `go-work-ts-mode'.") + +(defun go-work-ts-mode--in-directive-p () + "Return non-nil if point is inside a Go workspace directive. +When entering an empty directive or adding a new entry to one, no node +will be present meaning none of the indentation rules will match, +because there is no parent to match against. This function determines +what the parent of the node would be if it were a node." + (lambda (node _ _ &rest _) + (unless (treesit-node-type node) + (save-excursion + (backward-up-list) + (back-to-indentation) + (pcase (treesit-node-type (treesit-node-at (point))) + ("replace" t) + ("use" t)))))) + +(defvar go-work-ts-mode--keywords + '("go" "replace" "use") + "go.work keywords for tree-sitter font-locking.") + +(defvar go-work-ts-mode--font-lock-settings + (treesit-font-lock-rules + :language 'gowork + :feature 'bracket + '((["(" ")"]) @font-lock-bracket-face) + + :language 'gowork + :feature 'comment + '((comment) @font-lock-comment-face) + + :language 'gowork + :feature 'keyword + `([,@go-work-ts-mode--keywords] @font-lock-keyword-face) + + :language 'gowork + :feature 'number + '([(go_version) (version)] @font-lock-number-face) + + :language 'gowork + :feature 'operator + '((["=>"]) @font-lock-warning-face) + + :language 'gowork + :feature 'error + :override t + '((ERROR) @font-lock-warning-face)) + "Tree-sitter font-lock settings for `go-work-ts-mode'.") + +;;;###autoload +(define-derived-mode go-work-ts-mode prog-mode "Go Work" + "Major mode for editing go.work files, powered by tree-sitter." + :group 'go + :syntax-table go-work-ts-mode--syntax-table + + (when (treesit-ready-p 'gowork) + (setq treesit-primary-parser (treesit-parser-create 'gowork)) + + ;; Comments. + (setq-local comment-start "// ") + (setq-local comment-end "") + (setq-local comment-start-skip (rx "//" (* (syntax whitespace)))) + + ;; Indent. + (setq-local indent-tabs-mode t + treesit-simple-indent-rules go-work-ts-mode--indent-rules) + + ;; Font-lock. + (setq-local treesit-font-lock-settings go-work-ts-mode--font-lock-settings) + (setq-local treesit-font-lock-feature-list + '((comment) + (keyword) + (number) + (bracket error operator))) + + (treesit-major-mode-setup))) + +(if (treesit-ready-p 'gowork) + (add-to-list 'auto-mode-alist '("/go\\.work\\'" . go-work-ts-mode))) + (provide 'go-ts-mode) ;;; go-ts-mode.el ends here -- 2.47.0