tablegen-mode.el
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;;; tablegen-mode.el --- Major mode for TableGen description files (part of LLVM project)
;; Maintainer: The LLVM team, http://llvm.org/
;;; Commentary:
;; A major mode for TableGen description files in LLVM.
(require 'comint)
(require 'custom)
(require 'ansi-color)
;; Create mode-specific tables.
;;; Code:
(defvar td-decorators-face 'td-decorators-face
"Face method decorators.")
(make-face 'td-decorators-face)
(defvar tablegen-font-lock-keywords
(let ((kw (regexp-opt '("class" "defm" "def" "field" "include" "in"
"let" "multiclass" "foreach" "if" "then" "else"
"defvar" "defset")
'words))
(type-kw (regexp-opt '("bit" "bits" "code" "dag" "int" "list" "string")
'words))
)
(list
;; Comments
;; '("\/\/" . font-lock-comment-face)
;; Strings
'("\"[^\"]+\"" . font-lock-string-face)
;; Hex constants
'("\\<0x[0-9A-Fa-f]+\\>" . font-lock-preprocessor-face)
;; Binary constants
'("\\<0b[01]+\\>" . font-lock-preprocessor-face)
;; Integer literals
'("\\<[-]?[0-9]+\\>" . font-lock-preprocessor-face)
;; Floating point constants
'("\\<[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\>" . font-lock-preprocessor-face)
'("^[ \t]*\\(@.+\\)" 1 'td-decorators-face)
;; Keywords
kw
;; Type keywords
type-kw
))
"Additional expressions to highlight in TableGen mode.")
(put 'tablegen-mode 'font-lock-defaults '(tablegen-font-lock-keywords))
;; ---------------------- Syntax table ---------------------------
(defvar tablegen-mode-syntax-table nil
"Syntax table used in `tablegen-mode' buffers.")
(when (not tablegen-mode-syntax-table)
(setq tablegen-mode-syntax-table (make-syntax-table))
;; whitespace (` ')
(modify-syntax-entry ?\ " " tablegen-mode-syntax-table)
(modify-syntax-entry ?\t " " tablegen-mode-syntax-table)
(modify-syntax-entry ?\r " " tablegen-mode-syntax-table)
(modify-syntax-entry ?\n " " tablegen-mode-syntax-table)
(modify-syntax-entry ?\f " " tablegen-mode-syntax-table)
;; word constituents (`w')
(modify-syntax-entry ?\% "w" tablegen-mode-syntax-table)
(modify-syntax-entry ?\_ "w" tablegen-mode-syntax-table)
;; comments
(modify-syntax-entry ?/ ". 124b" tablegen-mode-syntax-table)
(modify-syntax-entry ?* ". 23" tablegen-mode-syntax-table)
(modify-syntax-entry ?\n "> b" tablegen-mode-syntax-table)
;; open paren (`(')
(modify-syntax-entry ?\( "(" tablegen-mode-syntax-table)
(modify-syntax-entry ?\[ "(" tablegen-mode-syntax-table)
(modify-syntax-entry ?\{ "(" tablegen-mode-syntax-table)
(modify-syntax-entry ?\< "(" tablegen-mode-syntax-table)
;; close paren (`)')
(modify-syntax-entry ?\) ")" tablegen-mode-syntax-table)
(modify-syntax-entry ?\] ")" tablegen-mode-syntax-table)
(modify-syntax-entry ?\} ")" tablegen-mode-syntax-table)
(modify-syntax-entry ?\> ")" tablegen-mode-syntax-table)
;; string quote ('"')
(modify-syntax-entry ?\" "\"" tablegen-mode-syntax-table)
)
;; --------------------- Abbrev table -----------------------------
(defvar tablegen-mode-abbrev-table nil
"Abbrev table used while in TableGen mode.")
(define-abbrev-table 'tablegen-mode-abbrev-table ())
(defvar tablegen-mode-hook nil)
(defvar tablegen-mode-map nil) ; Create a mode-specific keymap.
(if (not tablegen-mode-map)
() ; Do not change the keymap if it is already set up.
(setq tablegen-mode-map (make-sparse-keymap))
(define-key tablegen-mode-map "\t" 'tab-to-tab-stop)
(define-key tablegen-mode-map "\es" 'center-line)
(define-key tablegen-mode-map "\eS" 'center-paragraph))
;;;###autoload
(defun tablegen-mode ()
"Major mode for editing TableGen description files.
\\{tablegen-mode-map}
Runs `tablegen-mode-hook' on startup."
(interactive)
(kill-all-local-variables)
(use-local-map tablegen-mode-map) ; Provides the local keymap.
(make-local-variable 'font-lock-defaults)
(setq major-mode 'tablegen-mode ; This is how describe-mode
; finds the doc string to print.
mode-name "TableGen" ; This name goes into the modeline.
local-abbrev-table tablegen-mode-abbrev-table
font-lock-defaults `(tablegen-font-lock-keywords)
require-final-newline t
)
(set-syntax-table tablegen-mode-syntax-table)
(make-local-variable 'comment-start)
(setq comment-start "//")
(setq indent-tabs-mode nil)
(run-hooks 'tablegen-mode-hook)) ; Finally, this permits the user to
; customize the mode with a hook.
;; Associate .td files with tablegen-mode
;;;###autoload
(add-to-list 'auto-mode-alist (cons (purecopy "\\.td\\'") 'tablegen-mode))
(provide 'tablegen-mode)
;;; tablegen-mode.el ends here