diff options
Diffstat (limited to 'lisp/progmodes/lua-ts-mode.el')
| -rw-r--r-- | lisp/progmodes/lua-ts-mode.el | 80 |
1 files changed, 56 insertions, 24 deletions
diff --git a/lisp/progmodes/lua-ts-mode.el b/lisp/progmodes/lua-ts-mode.el index 3b600f59521..407ef230c32 100644 --- a/lisp/progmodes/lua-ts-mode.el +++ b/lisp/progmodes/lua-ts-mode.el @@ -26,8 +26,8 @@ ;; This package provides `lua-ts-mode' which is a major mode for Lua ;; files that uses Tree Sitter to parse the language. ;; -;; This package is compatible with and tested against the grammar -;; for Lua found at https://github.com/MunifTanjim/tree-sitter-lua +;; This package is compatible with and tested against the grammar for +;; Lua found at https://github.com/tree-sitter-grammars/tree-sitter-lua ;;; Code: @@ -60,66 +60,77 @@ :options '(flymake-mode hs-minor-mode outline-minor-mode) - :group 'lua-ts :version "30.1") (defcustom lua-ts-indent-offset 4 "Number of spaces for each indentation step in `lua-ts-mode'." :type 'natnum :safe 'natnump - :group 'lua-ts :version "30.1") (defcustom lua-ts-luacheck-program "luacheck" "Location of the Luacheck program." :type '(choice (const :tag "None" nil) string) - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-buffer "*Lua*" "Name of the inferior Lua buffer." :type 'string :safe 'stringp - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-program "lua" "Program to run in the inferior Lua process." :type '(choice (const :tag "None" nil) string) - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-options '("-i") "Command line options for the inferior Lua process." :type '(repeat string) - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-startfile nil "File to load into the inferior Lua process at startup." :type '(choice (const :tag "None" nil) (file :must-match t)) - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-prompt ">" "Prompt used by the inferior Lua process." :type 'string :safe 'stringp - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-prompt-continue ">>" "Continuation prompt used by the inferior Lua process." :type 'string :safe 'stringp - :group 'lua-ts :version "30.1") (defcustom lua-ts-inferior-history nil "File used to save command history of the inferior Lua process." :type '(choice (const :tag "None" nil) file) :safe 'string-or-null-p - :group 'lua-ts + :version "30.1") + +(defcustom lua-ts-indent-continuation-lines t + "Controls how multi-line if/else statements are aligned. + +If t, then continuation lines are indented by `lua-ts-indent-offset': + + if a + and b then + print(1) + end + +If nil, then continuation lines are aligned with the beginning of +the statement: + + if a + and b then + print(1) + end" + :type 'boolean + :safe 'booleanp :version "30.1") (defvar lua-ts--builtins @@ -295,6 +306,8 @@ values of OVERRIDE." (node-is ")") (node-is "}")) standalone-parent 0) + ((match null "table_constructor") + standalone-parent lua-ts-indent-offset) ((or (and (parent-is "arguments") lua-ts--first-child-matcher) (and (parent-is "parameters") lua-ts--first-child-matcher) (and (parent-is "table_constructor") lua-ts--first-child-matcher)) @@ -329,6 +342,17 @@ values of OVERRIDE." ((or (match "end" "function_definition") (node-is "end")) standalone-parent 0) + ((n-p-gp "expression_list" "assignment_statement" "variable_declaration") + lua-ts--variable-declaration-continuation-anchor + lua-ts-indent-offset) + ((and (parent-is "binary_expression") + lua-ts--variable-declaration-continuation) + lua-ts--variable-declaration-continuation-anchor + lua-ts-indent-offset) + ((and (lambda (&rest _) lua-ts-indent-continuation-lines) + (parent-is "binary_expression")) + standalone-parent lua-ts-indent-offset) + ((parent-is "binary_expression") standalone-parent 0) ((or (parent-is "function_declaration") (parent-is "function_definition") (parent-is "do_statement") @@ -415,6 +439,22 @@ values of OVERRIDE." (treesit-induce-sparse-tree parent #'lua-ts--function-definition-p))) (= 1 (length (cadr sparse-tree))))) +(defun lua-ts--variable-declaration-continuation (node &rest _) + "Matches if NODE is part of a multi-line variable declaration." + (treesit-parent-until node + (lambda (p) + (equal "variable_declaration" + (treesit-node-type p))))) + +(defun lua-ts--variable-declaration-continuation-anchor (node &rest _) + "Return the start position of the variable declaration for NODE." + (save-excursion + (goto-char (treesit-node-start + (lua-ts--variable-declaration-continuation node))) + (when (looking-back (rx bol (* whitespace)) + (line-beginning-position)) + (point)))) + (defvar lua-ts--syntax-table (let ((table (make-syntax-table))) (modify-syntax-entry ?+ "." table) @@ -577,7 +617,7 @@ Calls REPORT-FN directly." nil t))) (select-window (display-buffer lua-ts-inferior-buffer '((display-buffer-reuse-window - display-buffer-pop-up-frame) + display-buffer-pop-up-window) (reusable-frames . t)))) (get-buffer-process (current-buffer))) @@ -725,7 +765,7 @@ Calls REPORT-FN directly." "vararg_expression")))) (text "comment")))) - ;; Imenu. + ;; Imenu/Outline. (setq-local treesit-simple-imenu-settings `(("Requires" "\\`function_call\\'" @@ -740,16 +780,6 @@ Calls REPORT-FN directly." ;; Which-function. (setq-local which-func-functions (treesit-defun-at-point)) - ;; Outline. - (setq-local outline-regexp - (rx (seq (0+ space) - (or (seq "--[[" (0+ space) eol) - (seq symbol-start - (or "do" "for" "if" "repeat" "while" - (seq (? (seq "local" (1+ space))) - "function")) - symbol-end))))) - ;; Align. (setq-local align-indent-before-aligning t) @@ -757,6 +787,8 @@ Calls REPORT-FN directly." (add-hook 'flymake-diagnostic-functions #'lua-ts-flymake-luacheck nil 'local)) +(derived-mode-add-parents 'lua-ts-mode '(lua-mode)) + (when (treesit-ready-p 'lua) (add-to-list 'auto-mode-alist '("\\.lua\\'" . lua-ts-mode))) |