1 ;; Maintainer: The LLVM team, http://llvm.org/ 2 ;; Description: Major mode for the LLVM assembler language. 3 ;; Updated: 2007-09-19 4 5 ;; Create mode-specific tables. 6 (defvar llvm-mode-syntax-table nil 7 "Syntax table used while in LLVM mode.") 8 (defvar llvm-font-lock-keywords 9 (list 10 ;; Comments 11 '(";.*" . font-lock-comment-face) 12 ;; Variables 13 '("%[-a-zA-Z$\._][-a-zA-Z$\._0-9]*" . font-lock-variable-name-face) 14 ;; Labels 15 '("[-a-zA-Z$\._0-9]+:" . font-lock-variable-name-face) 16 ;; Strings 17 '("\"[^\"]+\"" . font-lock-string-face) 18 ;; Unnamed variable slots 19 '("%[-]?[0-9]+" . font-lock-variable-name-face) 20 ;; Types 21 `(,(regexp-opt '("void" "i[0-9]+" "float" "double" "type" "label" "opaque") 'words) . font-lock-type-face) 22 ;; Integer literals 23 '("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face) 24 ;; Floating point constants 25 '("\\b[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\b" . font-lock-preprocessor-face) 26 ;; Hex constants 27 '("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face) 28 ;; Keywords 29 `(,(regexp-opt '("begin" "end" "true" "false" "zeroinitializer" "declare" 30 "define" "global" "constant" "const" "internal" "linkonce" "linkonce_odr" 31 "weak" "weak_odr" "appending" "uninitialized" "implementation" "..." 32 "null" "undef" "to" "except" "not" "target" "endian" "little" "big" 33 "pointersize" "volatile" "fastcc" "coldcc" "cc") 'words) . font-lock-keyword-face) 34 ;; Arithmetic and Logical Operators 35 `(,(regexp-opt '("add" "sub" "mul" "div" "rem" "and" "or" "xor" 36 "setne" "seteq" "setlt" "setgt" "setle" "setge") 'words) . font-lock-keyword-face) 37 ;; Floating-point operators 38 `(,(regexp-opt '("fadd" "fsub" "fmul" "fdiv" "frem") 'words) . font-lock-keyword-face) 39 ;; Special instructions 40 `(,(regexp-opt '("phi" "tail" "call" "cast" "select" "to" "shl" "shr" "fcmp" "icmp" "vaarg" "vanext") 'words) . font-lock-keyword-face) 41 ;; Control instructions 42 `(,(regexp-opt '("ret" "br" "switch" "invoke" "unwind" "unreachable") 'words) . font-lock-keyword-face) 43 ;; Memory operators 44 `(,(regexp-opt '("malloc" "alloca" "free" "load" "store" "getelementptr") 'words) . font-lock-keyword-face) 45 ) 46 "Syntax highlighting for LLVM" 47 ) 48 49 ;; ---------------------- Syntax table --------------------------- 50 ;; Shamelessly ripped from jasmin.el 51 ;; URL: http://www.neilvandyke.org/jasmin-emacs/jasmin.el.html 52 53 (if (not llvm-mode-syntax-table) 54 (progn 55 (setq llvm-mode-syntax-table (make-syntax-table)) 56 (mapcar (function (lambda (n) 57 (modify-syntax-entry (aref n 0) 58 (aref n 1) 59 llvm-mode-syntax-table))) 60 '( 61 ;; whitespace (` ') 62 [?\^m " "] 63 [?\f " "] 64 [?\n " "] 65 [?\t " "] 66 [?\ " "] 67 ;; word constituents (`w') 68 ;;[?< "w"] 69 ;;[?> "w"] 70 [?\% "w"] 71 ;;[?_ "w "] 72 ;; comments 73 [?\; "< "] 74 [?\n "> "] 75 ;;[?\r "> "] 76 ;;[?\^m "> "] 77 ;; symbol constituents (`_') 78 ;; punctuation (`.') 79 ;; open paren (`(') 80 [?\( "("] 81 [?\[ "("] 82 [?\{ "("] 83 ;; close paren (`)') 84 [?\) ")"] 85 [?\] ")"] 86 [?\} ")"] 87 ;; string quote ('"') 88 [?\" "\""] 89 )))) 90 91 ;; --------------------- Abbrev table ----------------------------- 92 93 (defvar llvm-mode-abbrev-table nil 94 "Abbrev table used while in LLVM mode.") 95 (define-abbrev-table 'llvm-mode-abbrev-table ()) 96 97 (defvar llvm-mode-hook nil) 98 (defvar llvm-mode-map nil) ; Create a mode-specific keymap. 99 100 (if (not llvm-mode-map) 101 () ; Do not change the keymap if it is already set up. 102 (setq llvm-mode-map (make-sparse-keymap)) 103 (define-key llvm-mode-map "\t" 'tab-to-tab-stop) 104 (define-key llvm-mode-map "\es" 'center-line) 105 (define-key llvm-mode-map "\eS" 'center-paragraph)) 106 107 108 (defun llvm-mode () 109 "Major mode for editing LLVM source files. 110 \\{llvm-mode-map} 111 Runs llvm-mode-hook on startup." 112 (interactive) 113 (kill-all-local-variables) 114 (use-local-map llvm-mode-map) ; Provides the local keymap. 115 (setq major-mode 'llvm-mode) 116 117 (make-local-variable 'font-lock-defaults) 118 (setq major-mode 'llvm-mode ; This is how describe-mode 119 ; finds the doc string to print. 120 mode-name "LLVM" ; This name goes into the modeline. 121 font-lock-defaults `(llvm-font-lock-keywords)) 122 123 (setq local-abbrev-table llvm-mode-abbrev-table) 124 (set-syntax-table llvm-mode-syntax-table) 125 (setq comment-start ";") 126 (run-hooks 'llvm-mode-hook)) ; Finally, this permits the user to 127 ; customize the mode with a hook. 128 129 ;; Associate .ll files with llvm-mode 130 (setq auto-mode-alist 131 (append '(("\\.ll$" . llvm-mode)) auto-mode-alist)) 132 133 (provide 'llvm-mode) 134 ;; end of llvm-mode.el 135
