Stefan Kangas <stefankangas@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 75184) by debbugs.gnu.org; 2 Mar 2025 04:19:46 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Mar 01 23:19:46 2025 Received: from localhost ([127.0.0.1]:49764 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1toanp-0008Sl-OA for submit <at> debbugs.gnu.org; Sat, 01 Mar 2025 23:19:45 -0500 Received: from mail-ed1-x532.google.com ([2a00:1450:4864:20::532]:55795) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from <stefankangas@HIDDEN>) id 1toann-0008S2-I8 for 75184 <at> debbugs.gnu.org; Sat, 01 Mar 2025 23:19:44 -0500 Received: by mail-ed1-x532.google.com with SMTP id 4fb4d7f45d1cf-5dedd4782c6so6412579a12.3 for <75184 <at> debbugs.gnu.org>; Sat, 01 Mar 2025 20:19:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740889177; x=1741493977; darn=debbugs.gnu.org; h=cc:to:subject:message-id:date:mime-version:references:in-reply-to :from:from:to:cc:subject:date:message-id:reply-to; bh=n02wXtUvkegX87t1qRjHoWtpho+EIK4buqFAdjRJdDc=; b=RengXqC+8shWDn+qlLnz1cKR2J/amX9RjGqjVNOyu2UGoLRUzS+WIfjzCT7VHlL1ZE vZoX2nHioDpNd0rbbWmY8y30+HZUFNl1BHr6TCBMumcUmzKmn+IKC+3yA4TljntxTbjx 5y947w6ZJwJFk3/51pkf3OT6j0kMzkrhDxDXCaonYkY6AEZQcsj/e2htOoo0OAfWoxir bFGET5oTj0zU7TVBRxpxCEBfbUQ0zkr5vRRA+rV3tXvudwWEw6gVtvY3WtCz17xKl5Yb A01w3tbAavBJ0TZ0JPdHsceNG5TVK6bUOOFsAmqyg3s40Ufjgf4LDrB/uKYTZYyG+99p 1dJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740889177; x=1741493977; h=cc:to:subject:message-id:date:mime-version:references:in-reply-to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=n02wXtUvkegX87t1qRjHoWtpho+EIK4buqFAdjRJdDc=; b=hYoP7eHFePpZ91zH4bxdsHw9mjgaAU3UpEKtnXppSHstvbvlyqQ6wPzZFa39k4q3HM QaTulFIcjbD194AgM/q/lK+ISr8MuEKqXiQTah1AfcrVKDzXew9fDbBu18xZAH8NsNWf x48Fcz8RMFqE2vqQ0WyilsH7v2MAptsjKFvCUCqcyuYH3oSwRoHow4QBYhFHXHEEVtYs aqa1pvwmpTu7sEpwJgyADuNAxKAeEbdZ6riBqXGzh29gtkzhO9boqFBKzn0ZTkd4Tkj3 6z3wAuwK2ECFzGvks4yzhzYB6BBLSXa16jPxayLGzQojwcJuXzim+1dJPkLrAC36RDi8 UC6A== X-Gm-Message-State: AOJu0YxvVnPqx4WgqAN56Vpm3aRa4QpcibN0c4uMNY90tvxw2ODYVc2D Gd049ZwyYGIP7jQyaHWj34ieOfx0nZT+86DDKC7HryUB1ShaBxELwnZUmLdsHI5HXi3AtpyXnGw u9IMwp7gljuvNK7s+zHZ/yNvSbJiv9IWQMUI= X-Gm-Gg: ASbGncvDHrntO+Fi8tUAKCKqD4lz9/gNEr7EA79IK677lCYfMPwqf1oZxqY67ApiHXG ss+J3o9H5UW3OTh7sXgQI+Ti5RYV8EVhKPmHfQwCYmS5shkrtLA4Vwb5XhRHk8ZTBQ/UcPBM2ua bn3+wnqZ7eti/v/OQ9FyAUmHuFqQ== X-Google-Smtp-Source: AGHT+IGqnVNbyy7z3mjdPgYZOJXMPoFyAJxDLIqEJqw8SSxX+QjnRtd1M4fKt8lTjUuezf+wB8oIEpWnoppF7szdApg= X-Received: by 2002:a05:6402:4582:b0:5db:f26d:fff8 with SMTP id 4fb4d7f45d1cf-5e4d6b70ce7mr11108196a12.22.1740889177413; Sat, 01 Mar 2025 20:19:37 -0800 (PST) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Sat, 1 Mar 2025 20:19:37 -0800 From: Stefan Kangas <stefankangas@HIDDEN> In-Reply-To: <87v7v27bu9.fsf@HIDDEN> References: <87v7v27bu9.fsf@HIDDEN> MIME-Version: 1.0 Date: Sat, 1 Mar 2025 20:19:37 -0800 X-Gm-Features: AQ5f1Jr13d1nHijpkV4cr1RDJh-_XqBbkh6IWkbkkb-CosDvR6dzKWA2D7MCnHU Message-ID: <CADwFkmm+btr7QaoSnRfnMFBbL4UrHSXZm7yXwOy1P+htd7ZsWg@HIDDEN> Subject: Re: bug#75184: Merge haskell-ts-mode to master To: Pranshu Sharma <pranshu@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 75184 Cc: 75184 <at> debbugs.gnu.org, Yuan Fu <casouri@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Pranshu Sharma <pranshu@HIDDEN> writes: > Hello all, > > This is request to merge haskell-ts-mode to master. The code is here > https://codeberg.org/pranshu/haskell-ts-mode , but I also attacched > file. I suggest you look in codeberg repo for latest changes. > > Phillip kauldarlic has done a review of the non-treesit specific part of > the code in emacs-devel, *I need someone* to review treesit specific > parts of it now. Yuan, could you please take a look at this and install it if it looks okay? Thanks in advance.
bug-gnu-emacs@HIDDEN:bug#75184; Package emacs.
Full text available.Stefan Kangas <stefankangas@HIDDEN>
to control <at> debbugs.gnu.org.
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From: Pranshu Sharma <pranshu@HIDDEN>
To: 75184 <at> debbugs.gnu.org
Subject: URGENT !!
Date: Mon, 30 Dec 2024 20:53:06 +1000
Message-ID: <87jzbh788d.fsf@HIDDEN>
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--=-=-=
Content-Type: text/plain
The version sent in my last email has a major bug, new version is on
updaate codeberg repo and attached.
--=-=-=
Content-Type: application/emacs-lisp
Content-Disposition: attachment; filename=haskell-ts-mode.el
Content-Transfer-Encoding: quoted-printable
;;; haskell-ts-mode.el --- A treesit based major mode for haskell -*- lexic=
al-binding:t -*-
;; Copyright (C) 2024 Pranshu Sharma
;; Author: Pranshu Sharma <pranshusharma366 at gmail>
;; URL: https://codeberg.org/pranshu/haskell-ts-mode
;; Package-Requires: ((emacs "29.3"))
;; Version: 1
;; Keywords: languages, haskell
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This is a major mode that uses treesitter to provide all the basic
;; major mode stuff, like indentation, font lock, etc...
;; It uses the grammer at: https://github.com/tree-sitter/tree-sitter-haske=
ll
;;; Code:
(require 'comint)
(require 'treesit)
(declare-function treesit-parser-create "treesit.c")
(declare-function treesit-node-start "treesit.c")
(declare-function treesit-node-parent "treesit.c")
(declare-function treesit-node-prev-sibling "treesit.c")
(declare-function treesit-node-next-sibling "treesit.c")
(declare-function treesit-node-end "treesit.c")
(declare-function treesit-node-child "treesit.c")
(declare-function treesit-node-type "treesit.c")
(defgroup haskell-ts-mode nil
"Group that contains haskell-ts-mode variables"
:group 'langs)
(defvar haskell-ts-font-lock-feature-list
`((comment str pragma parens)
(type definition function args)
(match keyword)
(otherwise signature type-sig)))
(defcustom haskell-ts-ghci "ghci"
"The command to be called to run ghci."
:type 'string)
(defcustom haskell-ts-ghci-buffer-name "Inferior Haskell"
"Buffer name for the ghci prcoess."
:type 'string)
(defcustom haskell-ts-use-indent t
"Set to non-nil to use the indentation provided by haskell-ts-mode"
:type 'boolean)
(defcustom haskell-ts-font-lock-level 4
"Level of font lock, 1 for minimum highlghting and 4 for maximum."
:type '(choice (const :tag "Minimal Highlighting" 1)
(const :tag "Low Highlighting" 2)
(const :tag "High Highlighting" 3)
(const :tag "Maximum Highlighting" 4)))
(defvar haskell-ts-prettify-symbols-alist
'(("\\" . "=CE=BB")
("/=3D" . "=E2=89=A0")
("->" . "=E2=86=92")
("=3D>" . "=E2=87=92")
("<-" . "=E2=86=90")
("<=3D" . "=E2=89=A5")
(">=3D" . "=E2=89=A4")))
(defvar haskell-ts-font-lock
(treesit-font-lock-rules
:language 'haskell
:feature 'keyword
`(["module" "import" "data" "let" "where" "case" "type"
"if" "then" "else" "of" "do" "in" "instance" "class"]
@font-lock-keyword-face)
:language 'haskell
:feature 'otherwise
:override t
`(((match (guards guard: (boolean (variable) @font-lock-keyword-face)))
(:match "otherwise" @font-lock-keyword-face)))
:language 'haskell
:feature 'type-sig
"(signature (binding_list (variable) @font-lock-doc-markup-face))
(signature (variable) @font-lock-doc-markup-face)"
:language 'haskell
:feature 'args
:override 'keep
(concat
"(function (infix left_operand: (_) @haskell-ts--fontify-arg))"
"(function (infix right_operand: (_) @haskell-ts--fontify-arg))"
"(generator . (_) @haskell-ts--fontify-arg)"
"(bind (as (variable) . (_) @haskell-ts--fontify-arg))"
"(patterns) @haskell-ts--fontify-arg")
:language 'haskell
:feature 'type
`((type) @font-lock-type-face
(constructor) @font-lock-type-face)
:language 'haskell
:override t
:feature 'signature
`((signature (function) @haskell-ts--fontify-type)
(context (function) @haskell-ts--fontify-type))
:language 'haskell
:feature 'match
`((match ("|" @font-lock-doc-face) ("=3D" @font-lock-doc-face))
(list_comprehension ("|" @font-lock-doc-face
(qualifiers (generator "<-" @font-lock-doc-face))))
(match ("->" @font-lock-doc-face)))
:language 'haskell
:feature 'comment
`(((comment) @font-lock-comment-face)
((haddock) @font-lock-doc-face))
:language 'haskell
:feature 'pragma
`((pragma) @font-lock-preprocessor-face
(cpp) @font-lock-preprocessor-face)
:language 'haskell
:feature 'str
:override t
`((char) @font-lock-string-face
(string) @font-lock-string-face
(quasiquote (quoter) @font-lock-type-face)
(quasiquote (quasiquote_body) @font-lock-preprocessor-face))
:language 'haskell
:feature 'parens
:override t
`(["(" ")" "[" "]"] @font-lock-operator-face
(infix operator: (_) @font-lock-operator-face))
:language 'haskell
:feature 'function
:override t
`((function name: (variable) @font-lock-function-name-face)
(function (infix (operator) @font-lock-function-name-face))
(declarations (type_synomym (name) @font-lock-function-name-face))
(bind (variable) @font-lock-function-name-face)
(function (infix (infix_id (variable) @font-lock-function-name-face)))
(bind (as (variable) @font-lock-function-name-face))))
"The treesitter font lock settings for haskell.")
(defun haskell-ts--stand-alone-parent (_ parent bol)
(save-excursion
(goto-char (treesit-node-start parent))
(let ((type (treesit-node-type parent)))
(if (and (not bol)
(or (looking-back "^[ \t]*" (line-beginning-position))
(member
type
'("when" "where" "do" "let" "local_binds" "function"))))
(treesit-node-start parent)
(haskell-ts--stand-alone-parent 1 (funcall
(if bol 'treesit-node-parent 'identity)
(treesit-node-parent parent))
nil)))))
(defvar haskell-ts--ignore-types
(regexp-opt '("comment" "cpp" "haddock"))
"Node types that will be ignored by indentation.")
(defvar haskell-ts-indent-rules
(let* ((p-sib
(lambda (node &optional arg)
(let* ((func (if arg
#'treesit-node-prev-sibling
#'treesit-node-next-sibling))
(n (funcall func node)))
(while (and n (string-match haskell-ts--ignore-types
(treesit-node-type n)))
(setq n (funcall func n)))
n)))
(p-prev-sib
(lambda (node &optional _ _) (treesit-node-start (funcall p-sib node t))=
))
(p-n-prev (lambda (node) (funcall p-sib node t)))
(parent-first-child (lambda (_ parent _)
(treesit-node-start (treesit-node-child parent 0)))))
`((haskell
((node-is "^cpp$") column-0 0)
((parent-is "^comment$") column-0 0)
((parent-is "^haddock$") column-0 0)
((parent-is "^imports$") column-0 0)
;; Infix
((n-p-gp nil "infix" "infix")
(lambda (_ node _)
(let ((first-inf nil))
(while (string=3D "infix"
(treesit-node-type
(setq node (treesit-node-parent node))))
(setq first-inf node))
(funcall ,parent-first-child nil first-inf nil)))
0)
((node-is "^infix$") ,parent-first-child 0)
;; Lambda
((parent-is "^lambda\\(_case\\)?$") standalone-parent 2)
((parent-is "^class_declarations$") prev-sibling 0)
((node-is "^where$") parent 2)
;; in
((node-is "^in$") parent 0)
((parent-is "qualifiers") parent 0)
;; list
((node-is "^]$") parent 0)
((parent-is "^list$") standalone-parent 2)
;; If then else
((node-is "^then$") parent 2)
((node-is "^else$") parent 2)
((parent-is "^apply$") haskell-ts--stand-alone-parent 1)
((node-is "^quasiquote$") grand-parent 2)
((parent-is "^quasiquote_body$") (lambda (_ _ c) c) 0)
((lambda (node parent bol)
(when-let ((n (treesit-node-prev-sibling node)))
(while (string=3D "comment" (treesit-node-type n))
(setq n (treesit-node-prev-sibling n)))
(string=3D "do" (treesit-node-type n))))
haskell-ts--stand-alone-parent
3)
((parent-is "^do$") ,p-prev-sib 0)
((parent-is "^alternatives$") ,p-prev-sib 0)
;; prev-adaptive-prefix is broken sometimes
(no-node
(lambda (_ _ _)
(save-excursion
(goto-char (line-beginning-position 0))
(back-to-indentation)
(point)))
0)
((parent-is "^data_constructors$") parent 0)
;; where
((lambda (node _ _)
(let ((n (treesit-node-prev-sibling node)))
(while (string=3D "comment" (treesit-node-type n))
(setq n (treesit-node-prev-sibling n)))
(string=3D "where" (treesit-node-type n))))
(lambda (_ b _)
(+ 1 (treesit-node-start (treesit-node-prev-sibling b))))
3)
((parent-is "local_binds\\|instance_declarations") ,p-prev-sib 0)
;; Match
((lambda (node _ _)
(and (string=3D "match" (treesit-node-type node))
(string-match (regexp-opt '("patterns" "variable"))
(treesit-node-type (funcall ,p-n-prev node)))))
standalone-parent 2)
((node-is "match") ,p-prev-sib 0)
((parent-is "match") standalone-parent 2)
((parent-is "^haskell$") column-0 0)
((parent-is "^declarations$") column-0 0)
((parent-is "^record$") standalone-parent 2)
((parent-is "^exports$")
(lambda (_ b _) (treesit-node-start (treesit-node-prev-sibling b)))
0)
((n-p-gp nil "signature" "foreign_import") grand-parent 3)
((parent-is "^case$") standalone-parent 4)
((node-is "^alternatives$")
(lambda (_ b _)
(treesit-node-start (treesit-node-child b 0)))
2)
((node-is "^comment$")
(lambda (node parent _)
(pcase node
;; (relevent means type not it haskell-ts--ignore-types)
;; 1. next relevent sibling if exists
((app ,p-sib (and (pred (not null)) n))
(treesit-node-start n))
;; 2. previous relevent sibling if exists
((app ,p-prev-sib (and (pred (not null)) n))
n)
;; 3. parent
(_ (treesit-node-start parent))))
0)
;; Backup
(catch-all parent 2))))
"\"Simple\" treesit indentation rules for haskell.")
;; Copied from haskell-tng-mode, changed a bit
(defvar haskell-ts-mode-syntax-table
(eval-when-compile
(let ((table (make-syntax-table))
(syntax-list
'(("_" ?! ?_)
("w" ?')
;; Haskell has some goofy comment enders like C-q C-l
(">" 13 10 12 11)
("_ 123" ?-)
("(}1nb" ?\{)
("){4nb" ?\})
("<" ?#)
(">" ?\n)
;; Special operaters
("." ?\, ?\; ?@)
("\"" ?\")
("$`" ?\`))))
;; The defaults are mostly fine
(dolist (ls syntax-list table)
(dolist (char (cdr ls))
(modify-syntax-entry char (car ls) table))))))
(defmacro haskell-ts-imenu-name-function (check-func)
`(lambda (node)
(let ((nn (treesit-node-child node 0 node)))
(if (funcall ,check-func node)
(if (string=3D (treesit-node-type nn) "infix")
(treesit-node-text (treesit-node-child nn 1))
(haskell-ts-defun-name node))
nil))))
(defvar-keymap haskell-ts-mode-map
:doc "Keymap for haskell-ts-mode."
"C-c C-c" 'haskell-ts-compile-region-and-go
"C-c C-r" 'run-haskell)
;;;###autoload
(define-derived-mode haskell-ts-mode prog-mode "haskell ts mode"
"Major mode for Haskell files using tree-sitter."
(unless (treesit-ready-p 'haskell)
(error "Tree-sitter for Haskell is not available"))
(treesit-parser-create 'haskell)
(setq-local treesit-defun-type-regexp "\\(?:\\(?:function\\|struct\\)_def=
inition\\)")
;; Indent
(when haskell-ts-use-indent
(setq-local treesit-simple-indent-rules haskell-ts-indent-rules)
(setq-local indent-tabs-mode nil))
;; Comment
(setq-local comment-start "-- ")
(setq-local comment-use-syntax t)
(setq-local comment-start-skip "\\(?: \\|^\\)-+")
;; Electric
(setq-local electric-pair-pairs
'((?` . ?`) (?\( . ?\)) (?{ . ?}) (?\" . ?\") (?\[ . ?\])))
;; Navigation
(setq-local treesit-defun-name-function 'haskell-ts-defun-name)
(setq-local treesit-defun-type-regexp
;; Since haskell is strict functional, any 2nd level
;; entity is defintion
(cons ".+"
(lambda (node)
(and (not (string-match haskell-ts--ignore-types (treesit-node-type=
node)))
(string=3D "declarations" (treesit-node-type (treesit-node-parent nod=
e)))))))
(setq-local prettify-symbols-alist haskell-ts-prettify-symbols-alist)
;; Imenu
(setq-local treesit-simple-imenu-settings
`((nil haskell-ts-imenu-func-node-p nil
,(haskell-ts-imenu-name-function #'haskell-ts-imenu-func-node-p))
("Signatures.." haskell-ts-imenu-sig-node-p nil
,(haskell-ts-imenu-name-function #'haskell-ts-imenu-sig-node-p))
("Data..." haskell-ts-imenu-data-type-p nil
(lambda (node)
(treesit-node-text (treesit-node-child node 1))))))
;; font-lock
(setq-local treesit-font-lock-level haskell-ts-font-lock-level)
(setq-local treesit-font-lock-settings haskell-ts-font-lock)
(setq-local treesit-font-lock-feature-list
haskell-ts-font-lock-feature-list)
(treesit-major-mode-setup))
(defun haskell-ts--fontify-arg (node &optional _ _ _)
(if (string=3D "variable" (treesit-node-type node))
(put-text-property
(treesit-node-start node)
(treesit-node-end node)
'face font-lock-variable-name-face)
(mapc 'haskell-ts--fontify-arg (treesit-node-children node))))
(defun haskell-ts--fontify-type (node &optional _ _ _)
(let ((last-child (treesit-node-child node -1)))
(if (string=3D (treesit-node-type last-child) "function")
(haskell-ts--fontify-type last-child)
(put-text-property
(treesit-node-start last-child)
(treesit-node-end last-child)
'face font-lock-variable-name-face))))
(defun haskell-ts-imenu-node-p (regex node)
(and (string-match-p regex (treesit-node-type node))
(string=3D (treesit-node-type (treesit-node-parent node)) "declarati=
ons")))
(defun haskell-ts-imenu-func-node-p (node)
(haskell-ts-imenu-node-p "function\\|bind" node))
(defun haskell-ts-imenu-sig-node-p (node)
(haskell-ts-imenu-node-p "signature" node))
(defun haskell-ts-imenu-data-type-p (node)
(haskell-ts-imenu-node-p "data_type" node))
(defun haskell-ts-defun-name (node)
(treesit-node-text (treesit-node-child node 0)))
(defun haskell-ts-compile-region-and-go (start end)
"Compile the text from START to END in the haskell proc."
(interactive "r")
(let ((hs (haskell-ts-haskell-session))
(str (buffer-substring-no-properties
start end)))
(comint-send-string hs ":{\n")
(comint-send-string
hs
(replace-regexp-in-string "^:\\}" "\\:}" str nil t))
(comint-send-string hs "\n:}\n")))
(defun run-haskell ()
(interactive)
(pop-to-buffer-same-window
(if (comint-check-proc (concat "*" haskell-ts-ghci-buffer-name "*"))
haskell-ts-ghci-buffer-name
(make-comint haskell-ts-ghci-buffer-name haskell-ts-ghci nil buffer-fi=
le-name))))
(defun haskell-ts-haskell-session ()
(get-buffer-process (concat "*" haskell-ts-ghci-buffer-name "*")))
(when (treesit-ready-p 'haskell)
(add-to-list 'auto-mode-alist '("\\.hs\\'" . haskell-ts-mode)))
(provide 'haskell-ts-mode)
;;; haskell-ts-mode.el ends here
--=-=-=
Content-Type: text/plain
(sorry for sending multipel time, I forgot I had to sent to the bug thing)
--
Pranshu Sharma <https://p.bauherren.ovh>
--=-=-=--
bug-gnu-emacs@HIDDEN:bug#75184; Package emacs.
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From: Pranshu Sharma <pranshu@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: Merge haskell-ts-mode to master
Date: Mon, 30 Dec 2024 01:22:54 +1000
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--=-=-=
Content-Type: text/plain
Hello all,
This is request to merge haskell-ts-mode to master. The code is here
https://codeberg.org/pranshu/haskell-ts-mode , but I also attacched
file. I suggest you look in codeberg repo for latest changes.
Phillip kauldarlic has done a review of the non-treesit specific part of
the code in emacs-devel, *I need someone* to review treesit specific
parts of it now.
--=-=-=
Content-Type: application/emacs-lisp
Content-Disposition: attachment; filename=haskell-ts-mode.el
Content-Transfer-Encoding: quoted-printable
;;; haskell-ts-mode.el --- A treesit based major mode for haskell -*- lexic=
al-binding:t -*-
;; Copyright (C) 2024 Pranshu Sharma
;; Author: Pranshu Sharma <pranshusharma366 at gmail>
;; URL: https://codeberg.org/pranshu/haskell-ts-mode
;; Package-Requires: ((emacs "29.3"))
;; Version: 1
;; Keywords: languages, haskell
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This is a major mode that uses treesitter to provide all the basic
;; major mode stuff, like indentation, font lock, etc...
;; It uses the grammer at: https://github.com/tree-sitter/tree-sitter-haske=
ll
;;; Code:
(require 'comint)
(require 'treesit)
(declare-function treesit-parser-create "treesit.c")
(declare-function treesit-node-start "treesit.c")
(declare-function treesit-node-parent "treesit.c")
(declare-function treesit-node-prev-sibling "treesit.c")
(declare-function treesit-node-next-sibling "treesit.c")
(declare-function treesit-node-end "treesit.c")
(declare-function treesit-node-child "treesit.c")
(declare-function treesit-node-type "treesit.c")
(defgroup haskell-ts-mode nil
"Group that contains haskell-ts-mode variables"
:group 'langs)
(defvar haskell-ts-font-lock-feature-list
`((comment str pragma parens)
(type definition function args)
(match keyword)
(otherwise signature type-sig)))
(defcustom haskell-ts-ghci "ghci"
"The command to be called to run ghci."
:type 'string)
(defcustom haskell-ts-ghci-buffer-name "Inferior Haskell"
"Buffer name for the ghci prcoess."
:type 'string)
(defcustom haskell-ts-use-indent t
"Set to non-nil to use the indentation provided by haskell-ts-mode"
:type 'boolean)
(defcustom haskell-ts-font-lock-level 4
"Level of font lock, 1 for minimum highlghting and 4 for maximum."
:type '(choice (const :tag "Minimal Highlighting" 1)
(const :tag "Low Highlighting" 2)
(const :tag "High Highlighting" 3)
(const :tag "Maximum Highlighting" 4)))
(defvar haskell-ts-prettify-symbols-alist
'(("\\" . "=CE=BB")
("/=3D" . "=E2=89=A0")
("->" . "=E2=86=92")
("=3D>" . "=E2=87=92")
("<-" . "=E2=86=90")
("<=3D" . "=E2=89=A5")
(">=3D" . "=E2=89=A4")))
(defvar haskell-ts-font-lock
(treesit-font-lock-rules
:language 'haskell
:feature 'keyword
`(["module" "import" "data" "let" "where" "case" "type"
"if" "then" "else" "of" "do" "in" "instance" "class"]
@font-lock-keyword-face)
:language 'haskell
:feature 'otherwise
:override t
`(((match (guards guard: (boolean (variable) @font-lock-keyword-face)))
(:match "otherwise" @font-lock-keyword-face)))
:language 'haskell
:feature 'type-sig
"(signature (binding_list (variable) @font-lock-doc-markup-face))
(signature (variable) @font-lock-doc-markup-face)"
:language 'haskell
:feature 'args
:override 'keep
(concat
"(function (infix left_operand: (_) @haskell-ts--fontify-arg))"
"(function (infix right_operand: (_) @haskell-ts--fontify-arg))"
"(generator . (_) @haskell-ts--fontify-arg)"
"(bind (as (variable) . (_) @haskell-ts--fontify-arg))"
"(patterns) @haskell-ts--fontify-arg")
:language 'haskell
:feature 'type
`((type) @font-lock-type-face
(constructor) @font-lock-type-face)
:language 'haskell
:override t
:feature 'signature
`((signature (function) @haskell-ts--fontify-type)
(context (function) @haskell-ts--fontify-type))
:language 'haskell
:feature 'match
`((match ("|" @font-lock-doc-face) ("=3D" @font-lock-doc-face))
(list_comprehension ("|" @font-lock-doc-face
(qualifiers (generator "<-" @font-lock-doc-face))))
(match ("->" @font-lock-doc-face)))
:language 'haskell
:feature 'comment
`(((comment) @font-lock-comment-face)
((haddock) @font-lock-doc-face))
:language 'haskell
:feature 'pragma
`((pragma) @font-lock-preprocessor-face
(cpp) @font-lock-preprocessor-face)
:language 'haskell
:feature 'str
:override t
`((char) @font-lock-string-face
(string) @font-lock-string-face
(quasiquote (quoter) @font-lock-type-face)
(quasiquote (quasiquote_body) @font-lock-preprocessor-face))
:language 'haskell
:feature 'parens
:override t
`(["(" ")" "[" "]"] @font-lock-operator-face
(infix operator: (_) @font-lock-operator-face))
:language 'haskell
:feature 'function
:override t
`((function name: (variable) @font-lock-function-name-face)
(function (infix (operator) @font-lock-function-name-face))
(declarations (type_synomym (name) @font-lock-function-name-face))
(bind (variable) @font-lock-function-name-face)
(function (infix (infix_id (variable) @font-lock-function-name-face)))
(bind (as (variable) @font-lock-function-name-face))))
"The treesitter font lock settings for haskell.")
(defun haskell-ts--stand-alone-parent (_ parent bol)
(save-excursion
(goto-char (treesit-node-start parent))
(let ((type (treesit-node-type parent)))
(if (and (not bol)
(or (looking-back "^[ \t]*" (line-beginning-position))
(member
type
'("when" "where" "do" "let" "local_binds" "function"))))
(treesit-node-start parent)
(haskell-ts--stand-alone-parent 1 (funcall
(if bol 'treesit-node-parent 'identity)
(treesit-node-parent parent))
nil)))))
(defvar haskell-ts--ignore-types
(regexp-opt '("comment" "cpp" "haddock"))
"Node types that will be ignored by indentation.")
(defvar haskell-ts-indent-rules
(let* ((p-sib
(lambda (node &optional arg)
(let* ((func (if arg
#'treesit-node-prev-sibling
#'treesit-node-next-sibling))
(n (funcall func node)))
(while (and n (string-match haskell-ts--ignore-types
(treesit-node-type n)))
(setq n (funcall func n)))
n)))
(p-prev-sib
(lambda (node &optional _ _) (treesit-node-start (funcall p-sib node t))=
))
(p-n-prev (lambda (node) (funcall p-sib node t)))
(parent-first-child (lambda (_ parent _)
(treesit-node-start (treesit-node-child parent 0)))))
`((haskell
((node-is "^cpp$") column-0 0)
((parent-is "^comment$") column-0 0)
((parent-is "^haddock$") column-0 0)
((parent-is "^imports$") column-0 0)
;; Infix
((n-p-gp nil "infix" "infix")
(lambda (_ node _)
(let ((first-inf nil))
(while (string=3D "infix"
(treesit-node-type
(setq node (treesit-node-parent node))))
(setq first-inf node))
(funcall ,parent-first-child nil first-inf nil)))
0)
((node-is "^infix$") ,parent-first-child 0)
;; Lambda
((parent-is "^lambda\\(_case\\)?$") standalone-parent 2)
((parent-is "^class_declarations$") prev-sibling 0)
((node-is "^where$") parent 2)
;; in
((node-is "^in$") parent 0)
((parent-is "qualifiers") parent 0)
;; list
((node-is "^]$") parent 0)
((parent-is "^list$") standalone-parent 2)
;; If then else
((node-is "^then$") parent 2)
((node-is "^else$") parent 2)
((parent-is "^apply$") haskell-ts--stand-alone-parent 1)
((node-is "^quasiquote$") grand-parent 2)
((parent-is "^quasiquote_body$") (lambda (_ _ c) c) 0)
((lambda (node parent bol)
(when-let ((n (treesit-node-prev-sibling node)))
(while (string=3D "comment" (treesit-node-type n))
(setq n (treesit-node-prev-sibling n)))
(string=3D "do" (treesit-node-type n))))
haskell-ts--stand-alone-parent
3)
((parent-is "^do$") ,p-prev-sib 0)
((parent-is "^alternatives$") ,p-prev-sib 0)
;; prev-adaptive-prefix is broken sometimes
(no-node
(lambda (_ _ _)
(save-excursion
(goto-char (line-beginning-position 0))
(back-to-indentation)
(point)))
0)
((parent-is "^data_constructors$") parent 0)
;; where
((lambda (node _ _)
(let ((n (treesit-node-prev-sibling node)))
(while (string=3D "comment" (treesit-node-type n))
(setq n (treesit-node-prev-sibling n)))
(string=3D "where" (treesit-node-type n))))
(lambda (_ b _)
(+ 1 (treesit-node-start (treesit-node-prev-sibling b))))
3)
((parent-is "local_binds\\|instance_declarations") ,p-prev-sib 0)
;; Match
((lambda (node _ _)
(and (string=3D "match" (treesit-node-type node))
(string-match (regexp-opt '("patterns" "variable"))
(treesit-node-type (funcall ,p-n-prev node)))))
standalone-parent 2)
((node-is "match") ,p-prev-sib 0)
((parent-is "match") standalone-parent 2)
((parent-is "^haskell$") column-0 0)
((parent-is "^declarations$") column-0 0)
((parent-is "^record$") standalone-parent 2)
((parent-is "^exports$")
(lambda (_ b _) (treesit-node-start (treesit-node-prev-sibling b)))
0)
((n-p-gp nil "signature" "foreign_import") grand-parent 3)
((parent-is "^case$") standalone-parent 4)
((node-is "^alternatives$")
(lambda (_ b _)
(treesit-node-start (treesit-node-child b 0)))
2)
((node-is "^comment$")
(lambda (node parent _)
(pcase node
;; (relevent means type not it haskell-ts--ignore-types)
;; 1. next relevent sibling if exists
((app ,p-sib (and (pred (not null)) n))
(treesit-node-start n))
;; 2. previous relevent sibling if exists
((app ,p-prev-sib (and (pred (not null)) n))
n)
;; 3. parent
(_ (treesit-node-start parent))))
0)
;; Backup
(catch-all parent 2))))
"\"Simple\" treesit indentation rules for haskell.")
;; Copied from haskell-tng-mode, changed a bit
(defvar haskell-ts-mode-syntax-table
(eval-when-compile
(let ((table (make-syntax-table))
(syntax-list
'(("_" ?! ?_)
("w" ?')
;; Haskell has some goofy comment enders like C-q C-l
(">" 13 10 12 11)
("_ 123" ?-)
("(}1nb" ?\{)
("){4nb" ?\})
("<" ?#)
(">" ?\n)
;; Special operaters
("." ?\, ?\; ?@)
("\"" ?\")
("$`" ?\`))))
;; The defaults are mostly fine
(dolist (ls syntax-list table)
(dolist (char (cdr ls))
(modify-syntax-entry char (car ls) table))))))
(defmacro haskell-ts-imenu-name-function (check-func)
`(lambda (node)
(let ((nn (treesit-node-child node 0 node)))
(if (funcall ,check-func node)
(if (string=3D (treesit-node-type nn) "infix")
(treesit-node-text (treesit-node-child nn 1))
(haskell-ts-defun-name node))
nil))))
(defvar-keymap haskell-ts-mode-map
:doc "Keymap for haskell-ts-mode."
"C-c C-c" 'haskell-ts-compile-region-and-go
"C-c C-r" 'run-haskell
'haskell-ts-indent-defun)
;;;###autoload
(define-derived-mode haskell-ts-mode prog-mode "haskell ts mode"
"Major mode for Haskell files using tree-sitter."
(unless (treesit-ready-p 'haskell)
(error "Tree-sitter for Haskell is not available"))
(treesit-parser-create 'haskell)
(setq-local treesit-defun-type-regexp "\\(?:\\(?:function\\|struct\\)_def=
inition\\)")
;; Indent
(when haskell-ts-use-indent
(setq-local treesit-simple-indent-rules haskell-ts-indent-rules)
(setq-local indent-tabs-mode nil))
;; Comment
(setq-local comment-start "-- ")
(setq-local comment-use-syntax t)
(setq-local comment-start-skip "\\(?: \\|^\\)-+")
;; Electric
(setq-local electric-pair-pairs
'((?` . ?`) (?\( . ?\)) (?{ . ?}) (?\" . ?\") (?\[ . ?\])))
;; Navigation
(setq-local treesit-defun-name-function 'haskell-ts-defun-name)
(setq-local treesit-defun-type-regexp
;; Since haskell is strict functional, any 2nd level
;; entity is defintion
(cons ".+"
(lambda (node)
(and (not (string-match haskell-ts--ignore-types (treesit-node-type=
node)))
(string=3D "declarations" (treesit-node-type (treesit-node-parent nod=
e)))))))
(setq-local prettify-symbols-alist haskell-ts-prettify-symbols-alist)
;; Imenu
(setq-local treesit-simple-imenu-settings
`((nil haskell-ts-imenu-func-node-p nil
,(haskell-ts-imenu-name-function #'haskell-ts-imenu-func-node-p))
("Signatures.." haskell-ts-imenu-sig-node-p nil
,(haskell-ts-imenu-name-function #'haskell-ts-imenu-sig-node-p))
("Data..." haskell-ts-imenu-data-type-p nil
(lambda (node)
(treesit-node-text (treesit-node-child node 1))))))
;; font-lock
(setq-local treesit-font-lock-level haskell-ts-font-lock-level)
(setq-local treesit-font-lock-settings haskell-ts-font-lock)
(setq-local treesit-font-lock-feature-list
haskell-ts-font-lock-feature-list)
(treesit-major-mode-setup))
(defun haskell-ts--fontify-arg (node &optional _ _ _)
(if (string=3D "variable" (treesit-node-type node))
(put-text-property
(treesit-node-start node)
(treesit-node-end node)
'face font-lock-variable-name-face)
(mapc 'haskell-ts--fontify-arg (treesit-node-children node))))
(defun haskell-ts--fontify-type (node &optional _ _ _)
(let ((last-child (treesit-node-child node -1)))
(if (string=3D (treesit-node-type last-child) "function")
(haskell-ts--fontify-type last-child)
(put-text-property
(treesit-node-start last-child)
(treesit-node-end last-child)
'face font-lock-variable-name-face))))
(defun haskell-ts-imenu-node-p (regex node)
(and (string-match-p regex (treesit-node-type node))
(string=3D (treesit-node-type (treesit-node-parent node)) "declarati=
ons")))
(defun haskell-ts-imenu-func-node-p (node)
(haskell-ts-imenu-node-p "function\\|bind" node))
(defun haskell-ts-imenu-sig-node-p (node)
(haskell-ts-imenu-node-p "signature" node))
(defun haskell-ts-imenu-data-type-p (node)
(haskell-ts-imenu-node-p "data_type" node))
(defun haskell-ts-defun-name (node)
(treesit-node-text (treesit-node-child node 0)))
(defun haskell-ts-compile-region-and-go (start end)
"Compile the text from START to END in the haskell proc."
(interactive "r")
(let ((hs (haskell-ts-haskell-session))
(str (buffer-substring-no-properties
start end)))
(comint-send-string hs ":{\n")
(comint-send-string
hs
(replace-regexp-in-string "^:\\}" "\\:}" str nil t))
(comint-send-string hs "\n:}\n")))
(defun run-haskell ()
(interactive)
(pop-to-buffer-same-window
(if (comint-check-proc (concat "*" haskell-ts-ghci-buffer-name "*"))
haskell-ts-ghci-buffer-name
(make-comint haskell-ts-ghci-buffer-name haskell-ts-ghci nil buffer-fi=
le-name))))
(defun haskell-ts-haskell-session ()
(get-buffer-process (concat "*" haskell-ts-ghci-buffer-name "*")))
(when (treesit-ready-p 'haskell)
(add-to-list 'auto-mode-alist '("\\.hs\\'" . haskell-ts-mode)))
(provide 'haskell-ts-mode)
;;; haskell-ts-mode.el ends here
--=-=-=
Content-Type: text/plain
--
Pranshu Sharma <https://p.bauherren.ovh>
--=-=-=--
Pranshu Sharma <pranshu@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#75184; Package emacs.
Full text available.
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Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.