1;; Maintainer:  The LLVM team, http://llvm.org/
2;; Description: Major mode for TableGen description files (part of LLVM project)
3;; Updated:     2007-12-18
4
5(require 'comint)
6(require 'custom)
7(require 'ansi-color)
8
9;; Create mode-specific tables.
10(defvar td-decorators-face 'td-decorators-face
11  "Face method decorators.")
12(make-face 'td-decorators-face)
13
14(defvar tablegen-font-lock-keywords
15  (let ((kw (regexp-opt '("class" "defm" "def" "field" "include" "in"
16                         "let" "multiclass" "foreach")
17                        'words))
18        (type-kw (regexp-opt '("bit" "bits" "code" "dag" "int" "list" "string")
19                             'words))
20        )
21    (list
22     ;; Comments
23;;     '("\/\/" . font-lock-comment-face)
24     ;; Strings
25     '("\"[^\"]+\"" . font-lock-string-face)
26     ;; Hex constants
27     '("\\<0x[0-9A-Fa-f]+\\>" . font-lock-preprocessor-face)
28     ;; Binary constants
29     '("\\<0b[01]+\\>" . font-lock-preprocessor-face)
30     ;; Integer literals
31     '("\\<[-]?[0-9]+\\>" . font-lock-preprocessor-face)
32     ;; Floating point constants
33     '("\\<[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\>" . font-lock-preprocessor-face)
34
35     '("^[ \t]*\\(@.+\\)" 1 'td-decorators-face)
36     ;; Keywords
37     (cons (concat kw "[ \n\t(]") 1)
38
39     ;; Type keywords
40     (cons (concat type-kw "[ \n\t(]") 1)
41     ))
42  "Additional expressions to highlight in TableGen mode.")
43(put 'tablegen-mode 'font-lock-defaults '(tablegen-font-lock-keywords))
44
45;; ---------------------- Syntax table ---------------------------
46;; Shamelessly ripped from jasmin.el
47;; URL: http://www.neilvandyke.org/jasmin-emacs/jasmin.el
48
49(defvar tablegen-mode-syntax-table nil
50  "Syntax table used in `tablegen-mode' buffers.")
51(when (not tablegen-mode-syntax-table)
52  (setq tablegen-mode-syntax-table (make-syntax-table))
53  ;; whitespace (` ')
54  (modify-syntax-entry ?\   " "      tablegen-mode-syntax-table)
55  (modify-syntax-entry ?\t  " "      tablegen-mode-syntax-table)
56  (modify-syntax-entry ?\r  " "      tablegen-mode-syntax-table)
57  (modify-syntax-entry ?\n  " "      tablegen-mode-syntax-table)
58  (modify-syntax-entry ?\f  " "      tablegen-mode-syntax-table)
59  ;; word constituents (`w')
60  (modify-syntax-entry ?\%  "w"      tablegen-mode-syntax-table)
61  (modify-syntax-entry ?\_  "w"      tablegen-mode-syntax-table)
62  ;; comments
63  (modify-syntax-entry ?/   ". 124b" tablegen-mode-syntax-table)
64  (modify-syntax-entry ?*   ". 23"   tablegen-mode-syntax-table)
65  (modify-syntax-entry ?\n  "> b"    tablegen-mode-syntax-table)
66  ;; open paren (`(')
67  (modify-syntax-entry ?\(  "("      tablegen-mode-syntax-table)
68  (modify-syntax-entry ?\[  "("      tablegen-mode-syntax-table)
69  (modify-syntax-entry ?\{  "("      tablegen-mode-syntax-table)
70  (modify-syntax-entry ?\<  "("      tablegen-mode-syntax-table)
71  ;; close paren (`)')
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  (modify-syntax-entry ?\>  ")"      tablegen-mode-syntax-table)
76  ;; string quote ('"')
77  (modify-syntax-entry ?\"  "\""     tablegen-mode-syntax-table)
78  )
79
80;; --------------------- Abbrev table -----------------------------
81
82(defvar tablegen-mode-abbrev-table nil
83  "Abbrev table used while in TableGen mode.")
84(define-abbrev-table 'tablegen-mode-abbrev-table ())
85
86(defvar tablegen-mode-hook nil)
87(defvar tablegen-mode-map nil)   ; Create a mode-specific keymap.
88
89(if (not tablegen-mode-map)
90    ()  ; Do not change the keymap if it is already set up.
91  (setq tablegen-mode-map (make-sparse-keymap))
92  (define-key tablegen-mode-map "\t"  'tab-to-tab-stop)
93  (define-key tablegen-mode-map "\es" 'center-line)
94  (define-key tablegen-mode-map "\eS" 'center-paragraph))
95
96(defun tablegen-mode ()
97  "Major mode for editing TableGen description files.
98  \\{tablegen-mode-map}
99  Runs tablegen-mode-hook on startup."
100  (interactive)
101  (kill-all-local-variables)
102  (use-local-map tablegen-mode-map)      ; Provides the local keymap.
103  (make-local-variable 'font-lock-defaults)
104  (setq major-mode 'tablegen-mode        ; This is how describe-mode
105                                         ;   finds the doc string to print.
106	mode-name             "TableGen" ; This name goes into the modeline.
107        local-abbrev-table    tablegen-mode-abbrev-table
108	font-lock-defaults    `(tablegen-font-lock-keywords)
109	require-final-newline t
110        )
111
112  (set-syntax-table tablegen-mode-syntax-table)
113  (make-local-variable 'comment-start)
114  (setq comment-start "//")
115  (setq indent-tabs-mode nil)
116  (run-hooks 'tablegen-mode-hook))       ; Finally, this permits the user to
117                                         ;   customize the mode with a hook.
118
119;; Associate .td files with tablegen-mode
120(setq auto-mode-alist (append '(("\\.td$" . tablegen-mode)) auto-mode-alist))
121
122(provide 'tablegen-mode)
123;; end of tablegen-mode.el
124