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125 lines
4.9 KiB
EmacsLisp
125 lines
4.9 KiB
EmacsLisp
;; Maintainer: The LLVM team, http://llvm.org/
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;; Description: Major mode for TableGen description files (part of LLVM project)
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;; Updated: 2007-12-18
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(require 'comint)
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(require 'custom)
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(require 'ansi-color)
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;; Create mode-specific tables.
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(defvar td-decorators-face 'td-decorators-face
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"Face method decorators.")
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(make-face 'td-decorators-face)
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(defvar tablegen-font-lock-keywords
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(let ((kw (mapconcat 'identity
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'("class" "defm" "def" "field" "include" "in"
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"let" "multiclass")
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"\\|"))
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(type-kw (mapconcat 'identity
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'("bit" "bits" "code" "dag" "int" "list" "string")
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"\\|"))
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)
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(list
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;; Comments
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;; '("\/\/" . font-lock-comment-face)
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;; Strings
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'("\"[^\"]+\"" . font-lock-string-face)
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;; Hex constants
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'("\\<0x[0-9A-Fa-f]+\\>" . font-lock-preprocessor-face)
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;; Binary constants
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'("\\<0b[01]+\\>" . font-lock-preprocessor-face)
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;; Integer literals
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'("\\<[-]?[0-9]+\\>" . font-lock-preprocessor-face)
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;; Floating point constants
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'("\\<[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\>" . font-lock-preprocessor-face)
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'("^[ \t]*\\(@.+\\)" 1 'td-decorators-face)
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;; Keywords
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(cons (concat "\\<\\(" kw "\\)\\>[ \n\t(]") 1)
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;; Type keywords
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(cons (concat "\\<\\(" type-kw "\\)[ \n\t(]") 1)
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))
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"Additional expressions to highlight in TableGen mode.")
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(put 'tablegen-mode 'font-lock-defaults '(tablegen-font-lock-keywords))
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;; ---------------------- Syntax table ---------------------------
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;; Shamelessly ripped from jasmin.el
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;; URL: http://www.neilvandyke.org/jasmin-emacs/jasmin.el
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(defvar tablegen-mode-syntax-table nil
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"Syntax table used in `tablegen-mode' buffers.")
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(when (not tablegen-mode-syntax-table)
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(setq tablegen-mode-syntax-table (make-syntax-table))
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;; whitespace (` ')
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(modify-syntax-entry ?\ " " tablegen-mode-syntax-table)
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(modify-syntax-entry ?\t " " tablegen-mode-syntax-table)
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(modify-syntax-entry ?\r " " tablegen-mode-syntax-table)
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(modify-syntax-entry ?\n " " tablegen-mode-syntax-table)
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(modify-syntax-entry ?\f " " tablegen-mode-syntax-table)
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;; word constituents (`w')
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(modify-syntax-entry ?\% "w" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\_ "w" tablegen-mode-syntax-table)
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;; comments
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(modify-syntax-entry ?/ ". 124b" tablegen-mode-syntax-table)
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(modify-syntax-entry ?* ". 23" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\n "> b" tablegen-mode-syntax-table)
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;; open paren (`(')
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(modify-syntax-entry ?\( "(" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\[ "(" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\{ "(" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\< "(" tablegen-mode-syntax-table)
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;; close paren (`)')
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(modify-syntax-entry ?\) ")" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\] ")" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\} ")" tablegen-mode-syntax-table)
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(modify-syntax-entry ?\> ")" tablegen-mode-syntax-table)
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;; string quote ('"')
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(modify-syntax-entry ?\" "\"" tablegen-mode-syntax-table)
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)
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;; --------------------- Abbrev table -----------------------------
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(defvar tablegen-mode-abbrev-table nil
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"Abbrev table used while in TableGen mode.")
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(define-abbrev-table 'tablegen-mode-abbrev-table ())
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(defvar tablegen-mode-hook nil)
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(defvar tablegen-mode-map nil) ; Create a mode-specific keymap.
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(if (not tablegen-mode-map)
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() ; Do not change the keymap if it is already set up.
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(setq tablegen-mode-map (make-sparse-keymap))
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(define-key tablegen-mode-map "\t" 'tab-to-tab-stop)
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(define-key tablegen-mode-map "\es" 'center-line)
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(define-key tablegen-mode-map "\eS" 'center-paragraph))
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(defun tablegen-mode ()
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"Major mode for editing TableGen description files.
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\\{tablegen-mode-map}
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Runs tablegen-mode-hook on startup."
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(interactive)
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(kill-all-local-variables)
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(use-local-map tablegen-mode-map) ; Provides the local keymap.
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(make-local-variable 'font-lock-defaults)
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(setq major-mode 'tablegen-mode ; This is how describe-mode
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; finds the doc string to print.
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mode-name "TableGen" ; This name goes into the modeline.
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local-abbrev-table tablegen-mode-abbrev-table
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font-lock-defaults `(tablegen-font-lock-keywords)
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require-final-newline t
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)
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(set-syntax-table tablegen-mode-syntax-table)
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(make-local-variable 'comment-start)
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(setq comment-start "//")
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(run-hooks 'tablegen-mode-hook)) ; Finally, this permits the user to
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; customize the mode with a hook.
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;; Associate .td files with tablegen-mode
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(setq auto-mode-alist (append '(("\\.td$" . tablegen-mode)) auto-mode-alist))
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(provide 'tablegen-mode)
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;; end of tablegen-mode.el
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