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;;; mlir-mode.el --- Major mode for the MLIR assembler language.
;; Copyright (C) 2019 The MLIR Authors.
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
;;; Commentary:
;; Major mode for editing MLIR files.
;;; Code:
(defvar mlir-mode-syntax-table
(let ((table (make-syntax-table)))
(modify-syntax-entry ?% "_" table)
(modify-syntax-entry ?@ "_" table)
(modify-syntax-entry ?# "_" table)
(modify-syntax-entry ?. "_" table)
(modify-syntax-entry ?/ ". 12" table)
(modify-syntax-entry ?\n "> " table)
table)
"Syntax table used while in MLIR mode.")
(defvar mlir-font-lock-keywords
(list
;; Variables
'("%[-a-zA-Z$._0-9]*" . font-lock-variable-name-face)
;; Functions
'("@[-a-zA-Z$._0-9]*" . font-lock-function-name-face)
;; Affinemaps
'("#[-a-zA-Z$._0-9]*" . font-lock-variable-name-face)
;; Types
'("\\b\\(f16\\|bf16\\|f32\\|f64\\|index\\|tf_control\\|i[1-9][0-9]*\\)\\b" . font-lock-type-face)
'("\\b\\(tensor\\|vector\\|memref\\)\\b" . font-lock-type-face)
;; Dimension lists
'("\\b\\([0-9?]+x\\)*\\(f16\\|bf16\\|f32\\|f64\\|index\\|i[1-9][0-9]*\\)\\b" . font-lock-preprocessor-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
'("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face)
;; Keywords
`(,(regexp-opt
'(;; Toplevel entities
"br" "ceildiv" "func" "cond_br" "else" "extfunc" "false" "floordiv" "for" "if" "mod" "return" "size" "step" "to" "true" "??" ) 'symbols) . font-lock-keyword-face))
"Syntax highlighting for MLIR.")
;; Emacs 23 compatibility.
(defalias 'mlir-mode-prog-mode
(if (fboundp 'prog-mode)
'prog-mode
'fundamental-mode))
;;;###autoload
(define-derived-mode mlir-mode mlir-mode-prog-mode "MLIR"
"Major mode for editing MLIR source files.
\\{mlir-mode-map}
Runs `mlir-mode-hook' on startup."
(setq font-lock-defaults `(mlir-font-lock-keywords))
(setq-local comment-start "//"))
;; Associate .mlir files with mlir-mode
;;;###autoload
(add-to-list 'auto-mode-alist (cons "\\.mlir\\'" 'mlir-mode))
(provide 'mlir-mode)
;;; mlir-mode.el ends here
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