1;;; llvm-mode.el --- Major mode for the LLVM assembler language. 2 3;; Maintainer: The LLVM team, http://llvm.org/ 4 5;;; Commentary: 6 7;; Major mode for editing LLVM IR files. 8 9;;; Code: 10 11(defvar llvm-mode-syntax-table nil 12 "Syntax table used while in LLVM mode.") 13(defvar llvm-font-lock-keywords 14 (list 15 ;; Comments 16 '(";.*" . font-lock-comment-face) 17 ;; Variables 18 '("%[-a-zA-Z$\._][-a-zA-Z$\._0-9]*" . font-lock-variable-name-face) 19 ;; Labels 20 '("[-a-zA-Z$\._0-9]+:" . font-lock-variable-name-face) 21 ;; Strings 22 '("\"[^\"]+\"" . font-lock-string-face) 23 ;; Unnamed variable slots 24 '("%[-]?[0-9]+" . font-lock-variable-name-face) 25 ;; Types 26 `(,(regexp-opt '("void" "i1" "i8" "i16" "i32" "i64" "i128" "float" "double" "type" "label" "opaque") 'symbol) . font-lock-type-face) 27 ;; Integer literals 28 '("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face) 29 ;; Floating point constants 30 '("\\b[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\b" . font-lock-preprocessor-face) 31 ;; Hex constants 32 '("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face) 33 ;; Keywords 34 `(,(regexp-opt '("begin" "end" "true" "false" "zeroinitializer" "declare" 35 "define" "global" "constant" "const" "internal" "linkonce" "linkonce_odr" 36 "weak" "weak_odr" "appending" "uninitialized" "implementation" "..." 37 "null" "undef" "to" "except" "not" "target" "endian" "little" "big" 38 "pointersize" "volatile" "fastcc" "coldcc" "cc" "personality") 'symbols) . font-lock-keyword-face) 39 ;; Arithmetic and Logical Operators 40 `(,(regexp-opt '("add" "sub" "mul" "sdiv" "udiv" "urem" "srem" "and" "or" "xor" 41 "setne" "seteq" "setlt" "setgt" "setle" "setge") 'symbols) . font-lock-keyword-face) 42 ;; Floating-point operators 43 `(,(regexp-opt '("fadd" "fsub" "fmul" "fdiv" "frem") 'symbols) . font-lock-keyword-face) 44 ;; Special instructions 45 `(,(regexp-opt '("phi" "tail" "call" "select" "to" "shl" "lshr" "ashr" "fcmp" "icmp" "va_arg" "landingpad") 'symbols) . font-lock-keyword-face) 46 ;; Control instructions 47 `(,(regexp-opt '("ret" "br" "switch" "invoke" "resume" "unwind" "unreachable" "indirectbr") 'symbols) . font-lock-keyword-face) 48 ;; Memory operators 49 `(,(regexp-opt '("malloc" "alloca" "free" "load" "store" "getelementptr" "fence" "cmpxchg" "atomicrmw") 'symbols) . font-lock-keyword-face) 50 ;; Casts 51 `(,(regexp-opt '("bitcast" "inttoptr" "ptrtoint" "trunc" "zext" "sext" "fptrunc" "fpext" "fptoui" "fptosi" "uitofp" "sitofp" "addrspacecast") 'symbols) . font-lock-keyword-face) 52 ;; Vector ops 53 `(,(regexp-opt '("extractelement" "insertelement" "shufflevector") 'symbols) . font-lock-keyword-face) 54 ;; Aggregate ops 55 `(,(regexp-opt '("extractvalue" "insertvalue") 'symbols) . font-lock-keyword-face) 56 ;; Metadata types 57 `(,(regexp-opt '("distinct") 'symbols) . font-lock-keyword-face) 58 ;; Use-list order directives 59 `(,(regexp-opt '("uselistorder" "uselistorder_bb") 'symbols) . font-lock-keyword-face) 60 61 ) 62 "Syntax highlighting for LLVM." 63 ) 64 65;; ---------------------- Syntax table --------------------------- 66;; Shamelessly ripped from jasmin.el 67;; URL: http://www.neilvandyke.org/jasmin-emacs/jasmin.el.html 68 69(if (not llvm-mode-syntax-table) 70 (progn 71 (setq llvm-mode-syntax-table (make-syntax-table)) 72 (mapc (function (lambda (n) 73 (modify-syntax-entry (aref n 0) 74 (aref n 1) 75 llvm-mode-syntax-table))) 76 '( 77 ;; whitespace (` ') 78 [?\^m " "] 79 [?\f " "] 80 [?\n " "] 81 [?\t " "] 82 [?\ " "] 83 ;; word constituents (`w') 84 ;;[?< "w"] 85 ;;[?> "w"] 86 [?% "w"] 87 ;;[?_ "w "] 88 ;; comments 89 [?\; "< "] 90 [?\n "> "] 91 ;;[?\r "> "] 92 ;;[?\^m "> "] 93 ;; symbol constituents (`_') 94 ;; punctuation (`.') 95 ;; open paren (`(') 96 ;; close paren (`)') 97 ;; string quote ('"') 98 [?\" "\""])))) 99 100;; --------------------- Abbrev table ----------------------------- 101 102(defvar llvm-mode-abbrev-table nil 103 "Abbrev table used while in LLVM mode.") 104(define-abbrev-table 'llvm-mode-abbrev-table ()) 105 106(defvar llvm-mode-hook nil) 107(defvar llvm-mode-map nil) ; Create a mode-specific keymap. 108 109(if (not llvm-mode-map) 110 () ; Do not change the keymap if it is already set up. 111 (setq llvm-mode-map (make-sparse-keymap)) 112 (define-key llvm-mode-map "\t" 'tab-to-tab-stop) 113 (define-key llvm-mode-map "\es" 'center-line) 114 (define-key llvm-mode-map "\eS" 'center-paragraph)) 115 116;;;###autoload 117(defun llvm-mode () 118 "Major mode for editing LLVM source files. 119\\{llvm-mode-map} 120 Runs `llvm-mode-hook' on startup." 121 (interactive) 122 (kill-all-local-variables) 123 (use-local-map llvm-mode-map) ; Provides the local keymap. 124 (setq major-mode 'llvm-mode) 125 126 (make-local-variable 'font-lock-defaults) 127 (setq major-mode 'llvm-mode ; This is how describe-mode 128 ; finds the doc string to print. 129 mode-name "LLVM" ; This name goes into the modeline. 130 font-lock-defaults `(llvm-font-lock-keywords)) 131 132 (setq local-abbrev-table llvm-mode-abbrev-table) 133 (set-syntax-table llvm-mode-syntax-table) 134 (setq comment-start ";") 135 (run-hooks 'llvm-mode-hook)) ; Finally, this permits the user to 136 ; customize the mode with a hook. 137 138;; Associate .ll files with llvm-mode 139;;;###autoload 140(add-to-list 'auto-mode-alist (cons (purecopy "\\.ll\\'") 'llvm-mode)) 141 142(provide 'llvm-mode) 143 144;;; llvm-mode.el ends here 145