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.emacs
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.emacs
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;; deepaknag's dot emacs
;; (setq debug-on-error t)
;; silence is golden ...
(setq inhibit-startup-echo-area-message t)
(setq inhibit-startup-message t)
;; change this to point to your elisp modules (if any)
(add-to-list 'load-path "~/conf/elisp/")
;; else "loop" below won't run
(require 'cl)
(if (< emacs-major-version 24)
(require 'package)
(load "package"))
(package-initialize)
;; (add-to-list 'package-archives
;; '("marmalade" .
;; "http://marmalade-repo.org/packages/"))
(add-to-list 'package-archives
'("melpa" . "http://melpa.org/packages/") t)
;; p4 mode
(require 'p4)
;; code below plagiarized from:
;; http://www.aaronbedra.com/emacs.d/
(defvar deepaknag/packages '(solarized-theme
color-theme
better-defaults
column-marker
auto-complete
flycheck
highlight
xcscope
nyan-mode
ack
linum-relative)
"Default packages")
(defun deepaknag/packages-installed-p ()
(loop for pkg in deepaknag/packages
when (not (package-installed-p pkg)) do (return nil)
finally (return t)))
(unless (deepaknag/packages-installed-p)
(message "%s" "Refreshing package database...")
(package-refresh-contents)
(dolist (pkg deepaknag/packages)
(when (not (package-installed-p pkg))
(package-install pkg))))
(require 'better-defaults)
(require 'column-marker)
(add-hook 'prog-mode-hook (lambda () (interactive) (column-marker-1 80)))
;; else M-x rgrep doesn't work in fish
(setq shell-file-name "/bin/sh")
(require 'saveplace)
(setq-default save-place t)
;;; Setup auto-complete ;;;
(require 'auto-complete)
(require 'auto-complete-config)
(ac-config-default)
(setq ac-delay 0.1)
;; (add-hook 'after-init-hook 'global-flycheck-mode)
;; (global-set-key (kbd "C-c <up>") 'flycheck-next-error)
;; (global-set-key (kbd "C-c <down>") 'flycheck-previous-error)
;; (global-set-key (kbd "C-c l") 'flycheck-list-errors)
;; (setq-default flymake-no-changes-timeout '3)
(setq ediff-diff-options "-w")
(when (fboundp 'winner-mode)
(winner-mode 1))
(add-hook 'c-mode-common-hook 'hs-minor-mode)
(defun color-theme-emacs-default ()
;; change theme to day/night depending on time of day
(load-theme 'solarized-light t)
(setq calendar-location-name "San Jose, CA")
(setq calendar-latitude 37.33)
(setq calendar-longitude -121.89))
(defun color-theme-emacs23 ()
(require 'color-theme)
(eval-after-load "color-theme"
'(progn
(color-theme-initialize)
(color-theme-high-contrast)))
)
;; easy on eyes first
(if (< emacs-major-version 24)
(color-theme-emacs23)
(color-theme-emacs-default))
;; some customizations
(column-number-mode t)
(transient-mark-mode t)
(setq make-backup-files nil)
;; this makes backup files go away
(setq backup-directory-alist `((".*" . , temporary-file-directory)))
(setq auto-save-file-name-transforms `((".*" , temporary-file-directory t)))
;; show date and time in mode-line
(setq display-time-day-and-date t)
(display-time)
;; don't let emacs die when i mistype c-x c-c
(setq confirm-kill-emacs 'yes-or-no-p)
(defalias 'yes-or-no-p 'y-or-n-p)
;; dev environment
(cwarn-mode t)
(which-func-mode t)
(setq scroll-margin 0
scroll-conservatively 100000
scroll-preserve-screen-position 1)
(size-indication-mode t)
(nyan-mode)
;; syntax highlighting
(global-font-lock-mode t)
(global-cwarn-mode t)
(setq font-lock-maximum-decoration t)
(setq font-lock-maximum-size 262144)
;; compilation
;; (setq compilation-scroll-output t)
;; cscope
(setq cscope-option-do-not-update-database t)
(cscope-setup)
;; for p4 diff and merge
;; from: http://stackoverflow.com/questions/3822473/p4config-with-emacs
;; -diff
(defun command-line-diff (switch)
(let ((file1 (pop command-line-args-left))
(file2 (pop command-line-args-left)))
(ediff file1 file2)))
(add-to-list 'command-switch-alist '("-diff" . command-line-diff))
;; -merge
(defun command-line-merge (switch)
(let ((base (pop command-line-args-left))
(sccs (pop command-line-args-left))
(mine (pop command-line-args-left))
(merg (pop command-line-args-left)))
(ediff-merge-with-ancestor sccs mine base () merg)))
(add-to-list 'command-switch-alist '("-merge" . command-line-merge))
;; comment out "#if 0" blocks in c mode
;; very handy and saves a ton of cursing
;; this fn from http://stackoverflow.com/questions/4549015/in-c-c-mode-in-emacs-change-face-of-code-in-if-0-endif-block-to-comment-fa
(defun my-c-mode-font-lock-if0 (limit)
(save-restriction
(widen)
(save-excursion
(goto-char (point-min))
(let ((depth 0) str start start-depth)
(while (re-search-forward
"^\\s-*#\\s-*\\(if\\|else\\|endif\\)" limit 'move)
(setq str (match-string 1))
(if (string= str "if")
(progn
(setq depth (1+ depth))
(when (and (null start) (looking-at "\\s-+0"))
(setq start (match-end 0)
start-depth depth)))
(when (and start (= depth start-depth))
(c-put-font-lock-face start (match-beginning 0)
'font-lock-comment-face)
(setq start nil))
(when (string= str "endif")
(setq depth (1- depth)))))
(when (and start (> depth 0))
(c-put-font-lock-face start (point) 'font-lock-comment-face)))))
nil)
;; this piece comes from linux CodingStyle doc
;; https://www.kernel.org/doc/Documentation/CodingStyle
(defun c-lineup-arglist-tabs-only (ignored)
"Line up argument lists by tabs, not spaces"
(let* ((anchor (c-langelem-pos c-syntactic-element))
(column (c-langelem-2nd-pos c-syntactic-element))
(offset (- (1+ column) anchor))
(steps (floor offset c-basic-offset)))
(* (max steps 1)
c-basic-offset)))
(add-hook 'prog-mode-hook 'linum-mode)
(setq linum-format "%5d ")
(add-hook 'after-save-hook
'executable-make-buffer-file-executable-if-script-p)
(autoload 'markdown-mode "markdown-mode"
"Major mode for editing Markdown files" t)
(add-to-list 'auto-mode-alist '("\\.markdown\\'" . markdown-mode))
(add-to-list 'auto-mode-alist '("\\.md\\'" . markdown-mode))
(require 'yaml-mode)
(add-to-list 'auto-mode-alist '("\\.yml$" . yaml-mode))
;; p4 diff/merge
;; -diff
(defun command-line-diff (switch)
(let ((file1 (pop command-line-args-left))
(file2 (pop command-line-args-left)))
(ediff file1 file2)))
(add-to-list 'command-switch-alist '("-diff" . command-line-diff))
;; -merge
(defun command-line-merge (switch)
(let ((base (pop command-line-args-left))
(sccs (pop command-line-args-left))
(mine (pop command-line-args-left))
(merg (pop command-line-args-left)))
(ediff-merge-with-ancestor sccs mine base () merg)))
(add-to-list 'command-switch-alist '("-merge" . command-line-merge))
;;(require 'go-mode-autoloads)
;;(require 'go-mode-load)
(add-hook 'go-mode-hook
(lambda ()
(cscope-minor-mode)
(add-hook 'before-save-hook 'gofmt-before-save)))
(require 'jinja2-mode)
(add-to-list 'auto-mode-alist '("\\.j2$" . jinja2-mode))
(add-hook 'java-mode-hook
(lambda ()
(cscope-minor-mode)))
;; configure python tabs
(add-hook 'python-mode-hook
(lambda ()
(setq indent-tabs-mode nil)
(setq tab-width 4)
(cscope-minor-mode)))
;; Configure flymake for Python
(when (load "flymake" t)
(defun flymake-pylint-init ()
(let* ((temp-file (flymake-init-create-temp-buffer-copy
'flymake-create-temp-inplace))
(local-file (file-relative-name
temp-file
(file-name-directory buffer-file-name))))
(list "epylint" (list local-file))))
(add-to-list 'flymake-allowed-file-name-masks
'("\\.py\\'" flymake-pylint-init)))
;; Configure to wait a bit longer after edits before starting
(setq-default flymake-no-changes-timeout '3)
;; Keymaps to navigate to the errors
(add-hook 'python-mode-hook '(lambda () (define-key python-mode-map "\C-cn" 'flymake-goto-next-error)))
(add-hook 'python-mode-hook '(lambda () (define-key python-mode-map "\C-cp" 'flymake-goto-prev-error)))
;; Set as a minor mode for Python
;;(add-hook 'python-mode-hook '(lambda () (flymake-mode t)))
;; To avoid having to mouse hover for the error message, these functions make flymake error messages
;; appear in the minibuffer
(defun show-fly-err-at-point ()
"If the cursor is sitting on a flymake error, display the message in the minibuffer"
(require 'cl)
(interactive)
(let ((line-no (line-number-at-pos)))
(dolist (elem flymake-err-info)
(if (eq (car elem) line-no)
(let ((err (car (second elem))))
(message "%s" (flymake-ler-text err)))))))
(add-hook 'post-command-hook 'show-fly-err-at-point)
(add-hook 'c-mode-common-hook
(lambda ()
(c-add-style
"linux-tabs-only"
'("linux" (c-offsets-alist
(arglist-cont-nonempty
c-lineup-gcc-asm-reg
c-lineup-arglist-tabs-only))))
(font-lock-add-keywords
nil
'((my-c-mode-font-lock-if0 (0 font-lock-comment-face prepend))) 'add-to-end)
(setq indent-tabs-mode t)
(c-set-style "linux-tabs-only")
))
(setq clean-buffer-list-delay-general 30)
;; remove trailing whitespace before saving
(add-hook 'before-save-hook 'delete-trailing-whitespace)