llvm-project/llvm/utils/emacs/llvm-mode.el
Juergen Ributzka 6d1d7be133
Obsolete WebKit Calling Convention (#71567)
The WebKit Calling Convention was created specifically for the WebKit
FTL. FTL
doesn't use LLVM anymore and therefore this calling convention is
obsolete.

This commit removes the WebKit CC, its associated tests, and
documentation.
2023-11-09 09:08:41 -08:00

122 lines
6.0 KiB
EmacsLisp

;;; llvm-mode.el --- Major mode for the LLVM assembler language.
;; Maintainer: The LLVM team, http://llvm.org/
;; Version: 1.0
;;; 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
;; Attributes
`(,(regexp-opt
'("alwaysinline" "argmemonly" "allocsize" "builtin" "cold" "convergent" "dereferenceable" "dereferenceable_or_null" "hot" "immarg" "inaccessiblememonly"
"inaccessiblemem_or_argmemonly" "inalloca" "inlinehint" "jumptable" "minsize" "mustprogress" "naked" "nobuiltin" "nonnull" "nocapture"
"nocallback" "nocf_check" "noduplicate" "nofree" "noimplicitfloat" "noinline" "nomerge" "nonlazybind" "noprofile" "noredzone" "noreturn"
"norecurse" "nosync" "noundef" "nounwind" "nosanitize_bounds" "nosanitize_coverage" "null_pointer_is_valid" "optdebug" "optforfuzzing" "optnone" "optsize" "preallocated" "readnone" "readonly" "returned" "returns_twice"
"shadowcallstack" "signext" "speculatable" "speculative_load_hardening" "ssp" "sspreq" "sspstrong" "safestack" "sanitize_address" "sanitize_hwaddress" "sanitize_memtag"
"sanitize_thread" "sanitize_memory" "strictfp" "swifterror" "uwtable" "vscale_range" "willreturn" "writeonly" "zeroext") 'symbols) . font-lock-constant-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)
;; Unnamed variable slots
'("%[-]?[0-9]+" . font-lock-variable-name-face)
;; Types
`(,(regexp-opt
'("void" "i1" "i8" "i16" "i32" "i64" "i128" "half" "bfloat" "float" "double" "fp128" "x86_fp80" "ppc_fp128" "x86_mmx" "x86_amx" "ptr"
"type" "label" "opaque" "token") 'symbols) . font-lock-type-face)
;; Integer literals
'("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face)
;; Floating point constants
'("\\b[-+]?[0-9]+.[0-9]*\\([eE][-+]?[0-9]+\\)?\\b" . font-lock-preprocessor-face)
;; Hex constants
'("\\b[us]?0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face)
;; Keywords
`(,(regexp-opt
'(;; Toplevel entities
"declare" "define" "module" "target" "source_filename" "global" "constant" "const" "alias" "ifunc" "comdat"
"attributes" "uselistorder" "uselistorder_bb"
;; Linkage types
"private" "internal" "weak" "weak_odr" "linkonce" "linkonce_odr" "available_externally" "appending" "common" "extern_weak" "external"
"uninitialized" "implementation" "..."
;; Values
"true" "false" "null" "undef" "zeroinitializer" "none" "c" "asm" "blockaddress" "poison"
;; Calling conventions
"ccc" "fastcc" "coldcc" "anyregcc" "preserve_mostcc" "preserve_allcc"
"cxx_fast_tlscc" "swiftcc" "tailcc" "swifttailcc" "cfguard_checkcc"
;; Visibility styles
"default" "hidden" "protected"
;; DLL storages
"dllimport" "dllexport"
;; Thread local
"thread_local" "localdynamic" "initialexec" "localexec"
;; Runtime preemption specifiers
"dso_preemptable" "dso_local" "dso_local_equivalent"
"gc" "atomic" "no_cfi" "volatile" "personality" "prologue" "section") 'symbols) . font-lock-keyword-face)
;; Arithmetic and Logical Operators
`(,(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" "fneg" "fmul" "fdiv" "frem") 'symbols) . font-lock-keyword-face)
;; Special instructions
`(,(regexp-opt '("phi" "tail" "call" "select" "to" "shl" "lshr" "ashr" "fcmp" "icmp" "va_arg" "landingpad" "freeze") 'symbols) . font-lock-keyword-face)
;; Control instructions
`(,(regexp-opt '("ret" "br" "switch" "invoke" "resume" "unwind" "unreachable" "indirectbr" "callbr") 'symbols) . font-lock-keyword-face)
;; Memory operators
`(,(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)
;; Atomic memory ordering constraints
`(,(regexp-opt '("unordered" "monotonic" "acquire" "release" "acq_rel" "seq_cst") 'symbols) . font-lock-keyword-face)
;; Fast-math flags
`(,(regexp-opt '("nnan" "ninf" "nsz" "arcp" "contract" "afn" "reassoc" "fast") 'symbols) . font-lock-keyword-face)
;; Use-list order directives
`(,(regexp-opt '("uselistorder" "uselistorder_bb") 'symbols) . font-lock-keyword-face))
"Syntax highlighting for LLVM.")
(defun llvm-current-defun-name ()
"The `add-log-current-defun' function in LLVM mode."
(save-excursion
(end-of-line)
(if (re-search-backward "^[ \t]*define[ \t]+.+[ \t]+@\\(.+\\)(.*)" nil t)
(match-string-no-properties 1))))
;;;###autoload
(define-derived-mode llvm-mode prog-mode "LLVM"
"Major mode for editing LLVM source files.
\\{llvm-mode-map}
Runs `llvm-mode-hook' on startup."
(setq font-lock-defaults `(llvm-font-lock-keywords))
(setq-local defun-prompt-regexp "^[ \t]*define[ \t]+.+[ \t]+@.+(.*).+")
(setq-local add-log-current-defun-function #'llvm-current-defun-name)
(setq-local comment-start ";"))
;; Associate .ll files with llvm-mode
;;;###autoload
(add-to-list 'auto-mode-alist (cons "\\.ll\\'" 'llvm-mode))
(provide 'llvm-mode)
;;; llvm-mode.el ends here