1;;; tablegen-mode.el --- Major mode for TableGen description files (part of LLVM project) 2 3;; Maintainer: The LLVM team, http://llvm.org/ 4;; Version: 1.0 5 6;;; Commentary: 7;; A major mode for TableGen description files in LLVM. 8 9(require 'comint) 10(require 'custom) 11(require 'ansi-color) 12 13;; Create mode-specific tables. 14;;; Code: 15 16(defvar td-decorators-face 'td-decorators-face 17 "Face method decorators.") 18(make-face 'td-decorators-face) 19 20(defvar tablegen-font-lock-keywords 21 (let ((kw (regexp-opt '("class" "defm" "def" "field" "include" "in" 22 "let" "multiclass" "foreach" "if" "then" "else" 23 "defvar" "defset" "dump" "assert") 24 'words)) 25 (type-kw (regexp-opt '("bit" "bits" "code" "dag" "int" "list" "string") 26 'words)) 27 ) 28 (list 29 ;; Comments 30;; '("\/\/" . font-lock-comment-face) 31 ;; Strings 32 '("\"[^\"]+\"" . font-lock-string-face) 33 ;; Hex constants 34 '("\\<0x[0-9A-Fa-f]+\\>" . font-lock-preprocessor-face) 35 ;; Binary constants 36 '("\\<0b[01]+\\>" . font-lock-preprocessor-face) 37 ;; Integer literals 38 '("\\<[-]?[0-9]+\\>" . font-lock-preprocessor-face) 39 ;; Floating point constants 40 '("\\<[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\>" . font-lock-preprocessor-face) 41 42 '("^[ \t]*\\(@.+\\)" 1 'td-decorators-face) 43 ;; Keywords 44 kw 45 ;; Type keywords 46 type-kw 47 )) 48 "Additional expressions to highlight in TableGen mode.") 49(put 'tablegen-mode 'font-lock-defaults '(tablegen-font-lock-keywords)) 50 51;; ---------------------- Syntax table --------------------------- 52 53(defvar tablegen-mode-syntax-table nil 54 "Syntax table used in `tablegen-mode' buffers.") 55(when (not tablegen-mode-syntax-table) 56 (setq tablegen-mode-syntax-table (make-syntax-table)) 57 ;; whitespace (` ') 58 (modify-syntax-entry ?\ " " tablegen-mode-syntax-table) 59 (modify-syntax-entry ?\t " " tablegen-mode-syntax-table) 60 (modify-syntax-entry ?\r " " tablegen-mode-syntax-table) 61 (modify-syntax-entry ?\n " " tablegen-mode-syntax-table) 62 (modify-syntax-entry ?\f " " tablegen-mode-syntax-table) 63 ;; word constituents (`w') 64 (modify-syntax-entry ?\% "w" tablegen-mode-syntax-table) 65 (modify-syntax-entry ?\_ "w" tablegen-mode-syntax-table) 66 ;; comments 67 (modify-syntax-entry ?/ ". 124b" tablegen-mode-syntax-table) 68 (modify-syntax-entry ?* ". 23" tablegen-mode-syntax-table) 69 (modify-syntax-entry ?\n "> b" tablegen-mode-syntax-table) 70 ;; open paren (`(') 71 (modify-syntax-entry ?\( "(" tablegen-mode-syntax-table) 72 (modify-syntax-entry ?\[ "(" tablegen-mode-syntax-table) 73 (modify-syntax-entry ?\{ "(" tablegen-mode-syntax-table) 74 (modify-syntax-entry ?\< "(" tablegen-mode-syntax-table) 75 ;; close paren (`)') 76 (modify-syntax-entry ?\) ")" tablegen-mode-syntax-table) 77 (modify-syntax-entry ?\] ")" tablegen-mode-syntax-table) 78 (modify-syntax-entry ?\} ")" tablegen-mode-syntax-table) 79 (modify-syntax-entry ?\> ")" tablegen-mode-syntax-table) 80 ;; string quote ('"') 81 (modify-syntax-entry ?\" "\"" tablegen-mode-syntax-table) 82 ) 83 84;; --------------------- Abbrev table ----------------------------- 85 86(defvar tablegen-mode-abbrev-table nil 87 "Abbrev table used while in TableGen mode.") 88(define-abbrev-table 'tablegen-mode-abbrev-table ()) 89 90(defvar tablegen-mode-hook nil) 91(defvar tablegen-mode-map nil) ; Create a mode-specific keymap. 92 93(if (not tablegen-mode-map) 94 () ; Do not change the keymap if it is already set up. 95 (setq tablegen-mode-map (make-sparse-keymap)) 96 (define-key tablegen-mode-map "\t" 'tab-to-tab-stop) 97 (define-key tablegen-mode-map "\es" 'center-line) 98 (define-key tablegen-mode-map "\eS" 'center-paragraph)) 99 100;;;###autoload 101(defun tablegen-mode () 102 "Major mode for editing TableGen description files. 103\\{tablegen-mode-map} 104 Runs `tablegen-mode-hook' on startup." 105 (interactive) 106 (kill-all-local-variables) 107 (use-local-map tablegen-mode-map) ; Provides the local keymap. 108 (make-local-variable 'font-lock-defaults) 109 (setq major-mode 'tablegen-mode ; This is how describe-mode 110 ; finds the doc string to print. 111 mode-name "TableGen" ; This name goes into the modeline. 112 local-abbrev-table tablegen-mode-abbrev-table 113 font-lock-defaults `(tablegen-font-lock-keywords) 114 require-final-newline t 115 ) 116 117 (set-syntax-table tablegen-mode-syntax-table) 118 (make-local-variable 'comment-start) 119 (setq comment-start "//") 120 (setq indent-tabs-mode nil) 121 (run-hooks 'tablegen-mode-hook)) ; Finally, this permits the user to 122 ; customize the mode with a hook. 123 124;; Associate .td files with tablegen-mode 125;;;###autoload 126(add-to-list 'auto-mode-alist (cons (purecopy "\\.td\\'") 'tablegen-mode)) 127 128(provide 'tablegen-mode) 129 130;;; tablegen-mode.el ends here 131