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-rwxr-xr-xextras/emacs/fix-coding-style.el162
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diff --git a/extras/emacs/fix-coding-style.el b/extras/emacs/fix-coding-style.el
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+#!/usr/bin/emacs --script
+
+;; Insert style boilerplate if it's not already there
+;;
+;; Breaking the string in half keeps emacs
+;; from trying to interpret the local variable
+;; settings e.g. when it reads the lisp source code
+
+(defun insert-style-boilerplate () (interactive)
+ (save-excursion
+ (goto-char (point-min))
+ (if (eq nil (search-forward "coding-style-patch-verification"
+ (point-max) t))
+ (let ((junk 0)) (goto-char (point-max))
+ (insert "
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Var" "iables:
+ * eval: (c-set-style \"gnu\")
+ * End:
+ */")))))
+
+;; (cons xxx <list>) means insert xxx at the head of <list>
+;; Build a sorted list of *INDENT-OFF* lines, by searching
+;; backwards. The initial (setq indent-offset-list nil)
+;; results in (cdr <last-cell>) nil, which makes it a proper list
+
+(defun find-indent-offs () (interactive)
+ (save-excursion
+ (if (boundp 'indent-offset-list)
+ (makunbound 'indent-offset-list))
+ (setq indent-offset-list nil)
+ (goto-char (point-max))
+ (while (search-backward "*INDENT-OFF*" (point-min) t)
+ (move-beginning-of-line nil)
+ (setq indent-offset-list (cons (point) indent-offset-list))
+ (previous-line))))
+
+;; Insert indent-off ... indent-on brackets around
+;; a certain xxx_foreach macro, etc. which "indent"
+;; completely screws up. Doesn't handle nesting, of which there
+;; are few examples (fortunately).
+
+(defun fix-initializer (what) (interactive)
+ (find-indent-offs)
+ (save-excursion
+ (goto-char (point-min))
+ (while (search-forward-regexp what (point-max) t)
+ (move-beginning-of-line nil)
+ (previous-line)
+ (let ((index 0)(pointval 0))
+ (while (and (< pointval (point))(elt indent-offset-list index))
+ (setq pointval (elt indent-offset-list index))
+ (setq index (1+ index)))
+ (if (not (eq pointval (point)))
+ (let ((junk 0))
+ (next-line)
+ (open-line 1)
+ (c-indent-line-or-region)
+ (insert "/* *INDENT-OFF* */")
+ (search-forward "{")
+ (backward-char)
+ (forward-sexp)
+ (move-end-of-line nil)
+ (newline 1)
+ (c-indent-line-or-region)
+ (insert "/* *INDENT-ON* */")
+ (find-indent-offs))
+ (search-forward "*INDENT-ON*"))))))
+
+(defun fix-pool-foreach () (interactive)
+ (fix-initializer "pool_foreach *("))
+
+(defun fix-pool-foreach-index () (interactive)
+ (fix-initializer "pool_foreach_index *("))
+
+(defun fix-hash-foreach () (interactive)
+ (fix-initializer "hash_foreach *("))
+
+(defun fix-hash-foreach-pair () (interactive)
+ (fix-initializer "hash_foreach_pair *("))
+
+(defun fix-hash-foreach-mem () (interactive)
+ (fix-initializer "hash_foreach_mem *("))
+
+(defun fix-clib-fifo-foreach () (interactive)
+ (fix-initializer "clib_fifo_foreach *("))
+
+(defun fix-clib-bitmap-foreach () (interactive)
+ (fix-initializer "clib_bitmap_foreach *("))
+
+(defun fix-foreach-ip-interface-address () (interactive)
+ (fix-initializer "foreach_ip_interface_address *("))
+
+(defun fix-vlib-register-thread () (interactive)
+ (fix-initializer "VLIB_REGISTER_THREAD *("))
+
+(defun fix-vlib-cli-command () (interactive)
+ (fix-initializer "VLIB_CLI_COMMAND *("))
+
+(defun fix-vlib-register-node () (interactive)
+ (fix-initializer "VLIB_REGISTER_NODE *("))
+
+(defun fix-reply-macro2 () (interactive)
+ (fix-initializer "REPLY_MACRO2 *("))
+
+(defun fix-vnet-device-class () (interactive)
+ (fix-initializer "VNET_DEVICE_CLASS *("))
+
+(defun fix-vnet-hw-interface-class () (interactive)
+ (fix-initializer "VNET_HW_INTERFACE_CLASS *("))
+
+(defun fix-clib-packed () (interactive)
+ (fix-initializer "CLIB_PACKED *("))
+(defun fix-vl-api-packed () (interactive)
+ (fix-initializer "VL_API_PACKED *("))
+
+;; Driver routine which runs the set of functions
+;; defined above, as well as the bottom boilerplate function
+
+(defun fd-io-styleify () (interactive)
+ (fix-pool-foreach)
+ (fix-pool-foreach-index)
+ (fix-hash-foreach)
+ (fix-hash-foreach-pair)
+ (fix-hash-foreach-mem)
+ (fix-foreach-ip-interface-address)
+ (fix-clib-fifo-foreach)
+ (fix-clib-bitmap-foreach)
+ (fix-vlib-register-thread)
+ (fix-vlib-cli-command)
+ (fix-vlib-register-node)
+ (fix-reply-macro2)
+ (fix-vnet-device-class)
+ (fix-vnet-hw-interface-class)
+ (fix-clib-packed)
+ (fix-vl-api-packed)
+ (insert-style-boilerplate)
+ (if (boundp 'indent-offset-list)
+ (makunbound 'indent-offset-list)))
+
+;; When run as a script, this sexp
+;; walks the list of files supplied on the command line.
+;;
+;; (elt argv index) returns nil if you M-x eval-buffer
+;; or M-x load-file the file, so we won't accidentally
+;; evaluate (save-buffers-kill-emacs)...
+
+(let ((file-index 0))
+ (if (elt argv file-index)
+ (while (elt argv file-index)
+ (find-file (elt argv file-index))
+ (fd-io-styleify)
+ (message "Done %s..." (elt argv file-index))
+ (setq file-index (1+ file-index))))
+ (if (> file-index 0)
+ (let ((junk 0))
+ (message "Save and quit...")
+ (save-buffers-kill-emacs t))))
+
+