branch: elpa/julia-mode commit bb4f2032fcd729edb0d103b9a0aabbcc79741629 Author: Steven G. Johnson <stev...@alum.mit.edu> Commit: Yichao Yu <yyc1...@gmail.com>
Revert "Merge in changes from ESS' version of julia-mode.el", to avoid dependency on emacs 24 (issue #4010). This reverts commit 2bfcc92a5499a736d5a434ab9616bdf32a8d5950. --- julia-mode.el | 103 +++++++++++++++++++++++----------------------------------- 1 file changed, 40 insertions(+), 63 deletions(-) diff --git a/julia-mode.el b/julia-mode.el index 9eee5a3..c9391cd 100644 --- a/julia-mode.el +++ b/julia-mode.el @@ -16,9 +16,8 @@ (defvar julia-mode-syntax-table (let ((table (make-syntax-table))) - (modify-syntax-entry ?_ "_" table) ; underscores in words - (modify-syntax-entry ?@ "_" table) - (modify-syntax-entry ?. "_" table) + (modify-syntax-entry ?_ "w" table) ; underscores in words + (modify-syntax-entry ?@ "w" table) (modify-syntax-entry ?# "<" table) ; # single-line comment start (modify-syntax-entry ?\n ">" table) ; \n single-line comment end (modify-syntax-entry ?\{ "(} " table) @@ -28,10 +27,8 @@ (modify-syntax-entry ?\( "() " table) (modify-syntax-entry ?\) ")( " table) ;(modify-syntax-entry ?\\ "." table) ; \ is an operator outside quotes - (modify-syntax-entry ?' "." table) ; character quote or transpose - (modify-syntax-entry ?\" "\"" table) - (modify-syntax-entry ?` "\"" table) - ;; (modify-syntax-entry ?\" "." table) + (modify-syntax-entry ?' "." table) ; character quote or transpose + ;(modify-syntax-entry ?\" "." table) (modify-syntax-entry ?? "." table) (modify-syntax-entry ?$ "." table) (modify-syntax-entry ?& "." table) @@ -43,20 +40,20 @@ (modify-syntax-entry ?= "." table) (modify-syntax-entry ?% "." table) table) - "Syntax table for `julia-mode'.") + "Syntax table for julia-mode") ;; syntax table that holds within strings (defvar julia-mode-string-syntax-table (let ((table (make-syntax-table))) table) - "Syntax table for `julia-mode'.") + "Syntax table for julia-mode") ;; disable " inside char quote (defvar julia-mode-char-syntax-table (let ((table (make-syntax-table))) (modify-syntax-entry ?\" "." table) table) - "Syntax table for `julia-mode'.") + "Syntax table for julia-mode") (defconst julia-string-regex "\"[^\"]*?\\(\\(\\\\\\\\\\)*\\\\\"[^\"]*?\\)*\"") @@ -142,9 +139,7 @@ (julia-strcount before ?])))) (defun julia-at-keyword (kw-list) - "Return the word at point if it matches any keyword in KW-LIST. -KW-LIST is a list of strings. The word at point is not considered -a keyword if used as a field name, X.word, or quoted, :word." + ; not a keyword if used as a field name, X.word, or quoted, :word (and (or (= (point) 1) (and (not (equal (char-before (point)) ?.)) (not (equal (char-before (point)) ?:)))) @@ -155,11 +150,10 @@ a keyword if used as a field name, X.word, or quoted, :word." ;; if backward-sexp gives an error, move back 1 char to move over the '(' (defun julia-safe-backward-sexp () (if (condition-case nil (backward-sexp) (error t)) - (ignore-errors (backward-char)))) + (error2nil (backward-char)))) +; get the position of the last open block (defun julia-last-open-block-pos (min) - "Move back and return the position of the last open block, if one found. -Do not move back beyond position MIN." (let ((count 0)) (while (not (or (> count 0) (<= (point) min))) (julia-safe-backward-sexp) @@ -174,44 +168,43 @@ Do not move back beyond position MIN." (point) nil))) +; get indent for last open block (defun julia-last-open-block (min) - "Move back and return indentation level for last open block. -Do not move back beyond MIN." (let ((pos (julia-last-open-block-pos min))) (and pos (progn (goto-char pos) (+ julia-basic-offset (current-indentation)))))) +(defmacro error2nil (body) `(condition-case nil ,body (error nil))) + (defun julia-paren-indent () - "Return indent by last opening paren." - (let* ((p (parse-partial-sexp - (save-excursion - ;; only indent by paren if the last open - ;; paren is closer than the last open - ;; block - (or (julia-last-open-block-pos (point-min)) - (point-min))) - (progn (beginning-of-line) - (point)))) + (let* ((p (parse-partial-sexp (save-excursion + ;; only indent by paren if the last open + ;; paren is closer than the last open + ;; block + (or (julia-last-open-block-pos (point-min)) + (point-min))) + (progn (beginning-of-line) + (point)))) (pos (cadr p))) (if (or (= 0 (car p)) (null pos)) nil (progn (goto-char pos) (+ 1 (current-column)))))) (defun julia-indent-line () - "Indent current line of julia code." + "Indent current line of julia code" (interactive) ; (save-excursion (end-of-line) (indent-line-to - (or (save-excursion (ignore-errors (julia-paren-indent))) + (or (save-excursion (error2nil (julia-paren-indent))) (save-excursion (let ((endtok (progn (beginning-of-line) (forward-to-indentation 0) (julia-at-keyword julia-block-end-keywords)))) - (ignore-errors (+ (julia-last-open-block (point-min)) + (error2nil (+ (julia-last-open-block (point-min)) (if endtok (- julia-basic-offset) 0))))) ;; previous line ends in = (save-excursion @@ -230,45 +223,29 @@ Do not move back beyond MIN." (forward-word 1))) ;;;###autoload -(define-derived-mode julia-mode prog-mode "Julia" - "Major mode for editing julia code." +(defun julia-mode () + "Major mode for editing julia code" + (interactive) + (kill-all-local-variables) (set-syntax-table julia-mode-syntax-table) (set (make-local-variable 'comment-start) "# ") (set (make-local-variable 'comment-start-skip) "#+\\s-*") (set (make-local-variable 'font-lock-defaults) '(julia-font-lock-keywords)) +; (set (make-local-variable 'font-lock-syntactic-keywords) +; (list +; (list "\\(\\\\\\)\\s-*\".*?\"" 1 julia-mode-char-syntax-table))) (set (make-local-variable 'font-lock-syntactic-keywords) (list - (list "\\(\\\\\\)\\s-*\".*?\"" 1 julia-mode-char-syntax-table))) - (set (make-local-variable 'font-lock-syntactic-keywords) - (list - (list julia-char-regex 2 - julia-mode-char-syntax-table) - (list julia-string-regex 0 - julia-mode-string-syntax-table) - )) + (list julia-char-regex 2 + julia-mode-char-syntax-table) +; (list julia-string-regex 0 +; julia-mode-string-syntax-table) +)) (set (make-local-variable 'indent-line-function) 'julia-indent-line) (set (make-local-variable 'julia-basic-offset) 4) - (setq imenu-generic-expression julia-imenu-generic-expression) - (imenu-add-to-menubar "Imenu")) - -;;; IMENU -(defvar julia-imenu-generic-expression - ;; don't use syntax classes, screws egrep - '(("Function (_)" "[ \t]*function[ \t]+\\(_[^ \t\n]*\\)" 1) - ("Function" "^[ \t]*function[ \t]+\\([^_][^\t\n]*\\)" 1) - ("Const" "[ \t]*const \\([^ \t\n]*\\)" 1) - ("Type" "^[ \t]*[a-zA-Z0-9_]*type[a-zA-Z0-9_]* \\([^ \t\n]*\\)" 1) - ("Require" " *\\(\\brequire\\)(\\([^ \t\n)]*\\)" 2) - ("Include" " *\\(\\binclude\\)(\\([^ \t\n)]*\\)" 2) - ;; ("Classes" "^.*setClass(\\(.*\\)," 1) - ;; ("Coercions" "^.*setAs(\\([^,]+,[^,]*\\)," 1) ; show from and to - ;; ("Generics" "^.*setGeneric(\\([^,]*\\)," 1) - ;; ("Methods" "^.*set\\(Group\\|Replace\\)?Method(\"\\(.+\\)\"," 2) - ;; ;;[ ]*\\(signature=\\)?(\\(.*,?\\)*\\)," 1) - ;; ;; - ;; ;;("Other" "^\\(.+\\)\\s-*<-[ \t\n]*[^\\(function\\|read\\|.*data\.frame\\)]" 1) - ;; ("Package" "^.*\\(library\\|require\\)(\\(.*\\)," 2) - ;; ("Data" "^\\(.+\\)\\s-*<-[ \t\n]*\\(read\\|.*data\.frame\\).*(" 1))) - )) + (setq indent-tabs-mode nil) + (setq major-mode 'julia-mode) + (setq mode-name "julia") + (run-hooks 'julia-mode-hook)) (provide 'julia-mode)