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