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86 lines
3.6 KiB
86 lines
3.6 KiB
4 months ago
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;;; 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
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(let ((table (make-syntax-table)))
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(modify-syntax-entry ?% "_" table)
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(modify-syntax-entry ?. "_" table)
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(modify-syntax-entry ?\; "< " table)
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(modify-syntax-entry ?\n "> " table)
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table)
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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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;; 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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;; 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") 'symbols) . 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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"Syntax highlighting for LLVM.")
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;; Emacs 23 compatibility.
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(defalias 'llvm-mode-prog-mode
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(if (fboundp 'prog-mode)
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'prog-mode
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'fundamental-mode))
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;;;###autoload
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(define-derived-mode llvm-mode llvm-mode-prog-mode "LLVM"
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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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(setq font-lock-defaults `(llvm-font-lock-keywords))
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(setq comment-start ";"))
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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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