-;; Author: Misha Brukman <brukman@cs.uiuc.edu>
-;; Description: Major mode for the LLVM assembler language.
-;; Updated: 2003-06-02
+;;; llvm-mode.el --- Major mode for the LLVM assembler language.
-;; Create mode-specific tables.
-(defvar llvm-mode-syntax-table nil
+;; Maintainer: The LLVM team, http://llvm.org/
+
+;;; Commentary:
+
+;; Major mode for editing LLVM IR files.
+
+;;; Code:
+
+(defvar llvm-mode-syntax-table
+ (let ((table (make-syntax-table)))
+ (modify-syntax-entry ?% "_" table)
+ (modify-syntax-entry ?. "_" table)
+ (modify-syntax-entry ?\; "< " table)
+ (modify-syntax-entry ?\n "> " table)
+ table)
"Syntax table used while in LLVM mode.")
(defvar llvm-font-lock-keywords
(list
- ;; Comments
- '(";.*" . font-lock-comment-face)
;; Variables
'("%[-a-zA-Z$\._][-a-zA-Z$\._0-9]*" . font-lock-variable-name-face)
;; Labels
'("[-a-zA-Z$\._0-9]+:" . font-lock-variable-name-face)
- ;; Strings
- '("\"[^\"]+\"" . font-lock-string-face)
;; Unnamed variable slots
'("%[-]?[0-9]+" . font-lock-variable-name-face)
+ ;; Types
+ `(,(regexp-opt '("void" "i1" "i8" "i16" "i32" "i64" "i128" "float" "double" "type" "label" "opaque") 'symbols) . font-lock-type-face)
;; Integer literals
- '("[-]?[0-9]+" . font-lock-preprocessor-face)
+ '("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face)
;; Floating point constants
- '("[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?" . font-lock-preprocessor-face)
+ '("\\b[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\b" . font-lock-preprocessor-face)
;; Hex constants
- '("0x[0-9A-Fa-f]+" . font-lock-preprocessor-face)
+ '("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face)
;; Keywords
- '("begin\\|end\\|true\\|false\\|declare\\|global\\|constant\\|const\\|internal\\|linkonce\\|appending\\|uninitialized\\|implementation\\|\\.\\.\\.\\|null\\|to\\|except\\|not\\|target\\|endian\\|little\\|big\\|pointersize" . font-lock-keyword-face)
- ;; Types
- '("void\\|bool\\|sbyte\\|ubyte\\|u?short\\|u?int\\|u?long\\|float\\|double\\|type\\|label\\|opaque" . font-lock-type-face)
+ `(,(regexp-opt '("begin" "end" "true" "false" "zeroinitializer" "declare"
+ "define" "global" "constant" "const" "internal" "linkonce" "linkonce_odr"
+ "weak" "weak_odr" "appending" "uninitialized" "implementation" "..."
+ "null" "undef" "to" "except" "not" "target" "endian" "little" "big"
+ "pointersize" "volatile" "fastcc" "coldcc" "cc" "personality") 'symbols) . font-lock-keyword-face)
;; Arithmetic and Logical Operators
- '("add\\|sub\\|mul\\|div\\|rem\\|and\\|or\\|xor\\|set\\(ne\\|eq\\|lt\\|gt\\|le\\|ge\\)" . font-lock-keyword-face)
+ `(,(regexp-opt '("add" "sub" "mul" "sdiv" "udiv" "urem" "srem" "and" "or" "xor"
+ "setne" "seteq" "setlt" "setgt" "setle" "setge") 'symbols) . font-lock-keyword-face)
+ ;; Floating-point operators
+ `(,(regexp-opt '("fadd" "fsub" "fmul" "fdiv" "frem") 'symbols) . font-lock-keyword-face)
;; Special instructions
- '("phi\\|call\\|cast\\|to\\|shl\\|shr\\|va_arg" . font-lock-keyword-face)
+ `(,(regexp-opt '("phi" "tail" "call" "select" "to" "shl" "lshr" "ashr" "fcmp" "icmp" "va_arg" "landingpad") 'symbols) . font-lock-keyword-face)
;; Control instructions
- '("ret\\|br\\|switch\\|invoke" . font-lock-keyword-face)
+ `(,(regexp-opt '("ret" "br" "switch" "invoke" "resume" "unwind" "unreachable" "indirectbr") 'symbols) . font-lock-keyword-face)
;; Memory operators
- '("malloc\\|alloca\\|free\\|load\\|store\\|getelementptr" . font-lock-keyword-face)
- )
- "Syntax highlighting for LLVM"
- )
-
-;; ---------------------- Syntax table ---------------------------
-;; Shamelessly ripped from jasmin.el
-;; URL: http://www.neilvandyke.org/jasmin-emacs/jasmin.el.html
-
-(if (not llvm-mode-syntax-table)
- (progn
- (setq llvm-mode-syntax-table (make-syntax-table))
- (mapcar (function (lambda (n)
- (modify-syntax-entry (aref n 0)
- (aref n 1)
- llvm-mode-syntax-table)))
- '(
- ;; whitespace (` ')
- [?\^m " "]
- [?\f " "]
- [?\n " "]
- [?\t " "]
- [?\ " "]
- ;; word constituents (`w')
- ;;[?< "w"]
- ;;[?> "w"]
- [?\% "w"]
- ;;[?_ "w "]
- ;; comments
- [?\; "< "]
- [?\n "> "]
- ;;[?\r "> "]
- ;;[?\^m "> "]
- ;; symbol constituents (`_')
- ;; punctuation (`.')
- ;; open paren (`(')
- [?\( "("]
- [?\[ "("]
- [?\{ "("]
- ;; close paren (`)')
- [?\) ")"]
- [?\] ")"]
- [?\} ")"]
- ;; string quote ('"')
- [?\" "\""]
- ))))
+ `(,(regexp-opt '("malloc" "alloca" "free" "load" "store" "getelementptr" "fence" "cmpxchg" "atomicrmw") 'symbols) . font-lock-keyword-face)
+ ;; Casts
+ `(,(regexp-opt '("bitcast" "inttoptr" "ptrtoint" "trunc" "zext" "sext" "fptrunc" "fpext" "fptoui" "fptosi" "uitofp" "sitofp" "addrspacecast") 'symbols) . font-lock-keyword-face)
+ ;; Vector ops
+ `(,(regexp-opt '("extractelement" "insertelement" "shufflevector") 'symbols) . font-lock-keyword-face)
+ ;; Aggregate ops
+ `(,(regexp-opt '("extractvalue" "insertvalue") 'symbols) . font-lock-keyword-face)
+ ;; Metadata types
+ `(,(regexp-opt '("distinct") 'symbols) . font-lock-keyword-face)
+ ;; Use-list order directives
+ `(,(regexp-opt '("uselistorder" "uselistorder_bb") 'symbols) . font-lock-keyword-face))
+ "Syntax highlighting for LLVM.")
-;; --------------------- Abbrev table -----------------------------
+;; Emacs 23 compatibility.
+(defalias 'llvm-mode-prog-mode
+ (if (fboundp 'prog-mode)
+ 'prog-mode
+ 'fundamental-mode))
-(defvar llvm-mode-abbrev-table nil
- "Abbrev table used while in LLVM mode.")
-(define-abbrev-table 'llvm-mode-abbrev-table ())
-
-(defvar llvm-mode-hook nil)
-(defvar llvm-mode-map nil) ; Create a mode-specific keymap.
-
-(if (not llvm-mode-map)
- () ; Do not change the keymap if it is already set up.
- (setq llvm-mode-map (make-sparse-keymap))
- (define-key llvm-mode-map "\t" 'tab-to-tab-stop)
- (define-key llvm-mode-map "\es" 'center-line)
- (define-key llvm-mode-map "\eS" 'center-paragraph))
-
-
-(defun llvm-mode ()
+;;;###autoload
+(define-derived-mode llvm-mode llvm-mode-prog-mode "LLVM"
"Major mode for editing LLVM source files.
- \\{llvm-mode-map}
- Runs llvm-mode-hook on startup."
- (interactive)
- (kill-all-local-variables)
- (use-local-map llvm-mode-map) ; Provides the local keymap.
- (setq major-mode 'llvm-mode)
-
- (make-local-variable 'font-lock-defaults)
- (setq major-mode 'llvm-mode ; This is how describe-mode
- ; finds the doc string to print.
- mode-name "LLVM" ; This name goes into the modeline.
- font-lock-defaults `(llvm-font-lock-keywords))
-
- (setq local-abbrev-table llvm-mode-abbrev-table)
- (set-syntax-table llvm-mode-syntax-table)
- (run-hooks 'llvm-mode-hook)) ; Finally, this permits the user to
- ; customize the mode with a hook.
+\\{llvm-mode-map}
+ Runs `llvm-mode-hook' on startup."
+ (setq font-lock-defaults `(llvm-font-lock-keywords))
+ (setq comment-start ";"))
;; Associate .ll files with llvm-mode
-(setq auto-mode-alist
- (append '(("\\.ll$" . llvm-mode)) auto-mode-alist))
+;;;###autoload
+(add-to-list 'auto-mode-alist (cons (purecopy "\\.ll\\'") 'llvm-mode))
(provide 'llvm-mode)
-;; end of llvm-mode.el
+
+;;; llvm-mode.el ends here