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;; Cython mode
;; Load python-mode if available, otherwise use builtin emacs python package
(when (not(require 'python-mode nil t))
(require 'python))
(add-to-list 'auto-mode-alist '("\\.pyx\\'" . cython-mode))
(add-to-list 'auto-mode-alist '("\\.pxd\\'" . cython-mode))
(add-to-list 'auto-mode-alist '("\\.pxi\\'" . cython-mode))
(defun cython-compile ()
"Compile the file via Cython."
(let ((cy-buffer (current-buffer)))
(compile compile-command)
(set (make-local-variable 'cython-buffer) cy-buffer)
(add-to-list (make-local-variable 'compilation-finish-functions)
(defun cython-compilation-finish (buffer how)
"Called when Cython compilation finishes."
;; XXX could annotate source here
(defvar cython-mode-map
(let ((map (make-sparse-keymap)))
;; Will inherit from `python-mode-map' thanks to define-derived-mode.
(define-key map "\C-c\C-c" 'cython-compile)
"Keymap used in `cython-mode'.")
(defvar cython-font-lock-keywords
`(;; new keywords in Cython language
(,(regexp-opt '("by" "cdef" "cimport" "cpdef" "ctypedef" "enum" "except?"
"extern" "gil" "include" "nogil" "property" "public"
"readonly" "struct" "union" "DEF" "IF" "ELIF" "ELSE") 'words)
1 font-lock-keyword-face)
;; C and Python types (highlight as builtins)
(,(regexp-opt '("NULL" "bint" "char" "dict" "double" "float" "int" "list"
"long" "object" "Py_ssize_t" "short" "size_t" "void") 'words)
1 font-lock-builtin-face)
;; cdef is used for more than functions, so simply highlighting the next
;; word is problematic. struct, enum and property work though.
("\\<\\(?:struct\\|enum\\)[ \t]+\\([a-zA-Z_]+[a-zA-Z0-9_]*\\)"
1 py-class-name-face)
("\\<property[ \t]+\\([a-zA-Z_]+[a-zA-Z0-9_]*\\)"
1 font-lock-function-name-face))
"Additional font lock keywords for Cython mode.")
(define-derived-mode cython-mode python-mode "Cython"
"Major mode for Cython development, derived from Python mode.
(setcar font-lock-defaults
(append python-font-lock-keywords cython-font-lock-keywords))
(set (make-local-variable 'compile-command)
(concat "cython -a " buffer-file-name))
(add-to-list (make-local-variable 'compilation-finish-functions)
(provide 'cython-mode)
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