342 lines
11 KiB
EmacsLisp
342 lines
11 KiB
EmacsLisp
;;==============================================================================
|
|
;; C/C++
|
|
;;==============================================================================
|
|
;; Note: maybe this should be split in mode-c and mode-c++.
|
|
|
|
(defcustom cc-ldlibs "-lm -pthread"
|
|
"Custom linker flags for C/C++ linkage."
|
|
:safe 'stringp)
|
|
(make-variable-buffer-local 'cc-ldlibs)
|
|
|
|
(defcustom cc-ldflags ""
|
|
"Custom linker libs for C/C++ linkage."
|
|
:safe 'stringp)
|
|
(make-variable-buffer-local 'cc-ldflags)
|
|
|
|
(defun cc-set-compiler (&optional nomakefile)
|
|
"Set compile command to be nearest Makefile or a generic command.
|
|
The Makefile is looked up in parent folders. If no Makefile is
|
|
found (or if NOMAKEFILE is non-nil or if function was called with
|
|
universal argument), then a configurable command line is
|
|
provided.\n Requires `get-closest-pathname'."
|
|
(interactive "P")
|
|
(require 'functions)
|
|
(hack-local-variables)
|
|
(let ((makefile (get-closest-pathname)))
|
|
(if (and makefile
|
|
(not nomakefile))
|
|
(set (make-local-variable 'compile-command) (concat "make -k -C " (shell-quote-argument (file-name-directory makefile))))
|
|
(set (make-local-variable 'compile-command)
|
|
(let
|
|
((c++-p (eq major-mode 'c++-mode))
|
|
(file (file-name-nondirectory buffer-file-name)))
|
|
(format "%s %s -o '%s' %s %s %s"
|
|
(if c++-p
|
|
(or (getenv "CXX") "g++")
|
|
(or (getenv "CC") "gcc"))
|
|
(shell-quote-argument file)
|
|
(shell-quote-argument (file-name-sans-extension file))
|
|
(if c++-p
|
|
(or (getenv "CPPFLAGS") "-Wall -Wextra -Wshadow -DDEBUG=9 -g3 -O0")
|
|
(or (getenv "CFLAGS") "-ansi -pedantic -std=c99 -Wall -Wextra -Wshadow -DDEBUG=9 -g3 -O0"))
|
|
(or (getenv "LDFLAGS") cc-ldflags)
|
|
(or (getenv "LDLIBS") cc-ldlibs)))))))
|
|
|
|
(defun cc-clean ()
|
|
"Find Makefile and call the `clean' rule. If no Makefile is
|
|
found, no action is taken. The previous `compile' command is then
|
|
restored."
|
|
(interactive)
|
|
(when (get-closest-pathname)
|
|
(let ((compile-command-backup compile-command))
|
|
(compile (format "make -k -f '%s' clean" (get-closest-pathname)))
|
|
(setq compile-command compile-command-backup))))
|
|
|
|
(defun cc-fmt ()
|
|
"Run uncrustify(1) on current buffer."
|
|
(interactive)
|
|
(unless mark-active
|
|
(mark-whole-buffer))
|
|
(when (> (point) (mark))
|
|
(exchange-point-and-mark))
|
|
(let ((status)
|
|
(formatbuf (get-buffer-create "*C format buffer*")))
|
|
(setq status
|
|
(call-process-region (point) (mark) "uncrustify" nil formatbuf nil "-lc" "-q"))
|
|
(if (/= status 0)
|
|
(error "Bad formatted C file")
|
|
(delete-region (point) (mark))
|
|
(insert-buffer formatbuf)
|
|
(kill-buffer formatbuf))))
|
|
|
|
;;==============================================================================
|
|
;; C-mode
|
|
;;==============================================================================
|
|
|
|
;; WARNING: this style is a work-in-progress.
|
|
(c-add-style
|
|
"ambrevar"
|
|
`((c-comment-only-line-offset . 0)
|
|
(c-auto-align-backslashes . nil)
|
|
(c-basic-offset . ,tab-width)
|
|
(c-offsets-alist
|
|
(arglist-cont-nonempty . +)
|
|
(arglist-intro . +)
|
|
(c . 0)
|
|
(case-label . 0)
|
|
(cpp-define-intro . 0)
|
|
(cpp-macro . 0)
|
|
(knr-argdecl-intro . 0)
|
|
(label . 0)
|
|
(statement-block-intro . +)
|
|
(statement-cont . +)
|
|
(substatement-label . 0)
|
|
(substatement-open . 0)
|
|
)))
|
|
|
|
;; Note that in Emacs 24, cc-mode calls its hooks manually in each mode init
|
|
;; function. Since cc modes belong to prog-mode, each hook is called another
|
|
;; time at the end of the initialization. No big deal since we only set some
|
|
;; variables.
|
|
(mapcar
|
|
(lambda (mode-hook)
|
|
(add-hook-and-eval
|
|
mode-hook
|
|
(lambda ()
|
|
;; The cc-fmt hook is disable since there is no standard C formatting,
|
|
;; unlike for Go.
|
|
; (add-hook 'before-save-hook 'cc-fmt nil t)
|
|
(c-set-style "ambrevar") ;; We override existing values.
|
|
(add-hook 'compilation-before-hook 'cc-set-compiler nil t)
|
|
(local-set-key (kbd "<f9>") 'cc-clean)
|
|
(local-set-key (kbd "M-TAB") 'semantic-complete-analyze-inline)
|
|
(local-set-key (kbd "C-c (") 'cc-function)
|
|
(local-set-key (kbd "C-c C-f") 'cc-for)
|
|
(local-set-key (kbd "C-c C-i") 'cc-if)
|
|
(local-set-key (kbd "C-c C-p") 'cc-printf)
|
|
(local-set-key (kbd "C-c I") 'cc-include-local)
|
|
(local-set-key (kbd "C-c i") 'cc-include)
|
|
(local-set-key (kbd "C-c m") 'cc-main)
|
|
;; (local-set-key "." 'semantic-complete-self-insert) ; This is a bit slow.
|
|
;; (local-set-key ">" 'semantic-complete-self-insert)
|
|
(local-set-key (kbd "C-M-e") (lambda () (interactive) (c-beginning-of-defun -1))))))
|
|
'(c-mode-hook c++-mode-hook))
|
|
|
|
;;==============================================================================
|
|
;; Qt semantic support
|
|
;;==============================================================================
|
|
|
|
;; Qt base directory, meaning the directory where the 'Qt' directory can be found.
|
|
;; Adapt accordingly.
|
|
(when (fboundp 'semantic-add-system-include)
|
|
(setq qt4-base-dir "/usr/include/qt4")
|
|
(setq qt4-gui-dir (concat qt4-base-dir "/QtGui"))
|
|
(semantic-add-system-include qt4-base-dir 'c++-mode)
|
|
(semantic-add-system-include qt4-gui-dir 'c++-mode)
|
|
(add-to-list 'auto-mode-alist (cons qt4-base-dir 'c++-mode))
|
|
(add-hook
|
|
'c++-mode-hook
|
|
(lambda ()
|
|
(when semantic-mode
|
|
(add-to-list 'semantic-lex-c-preprocessor-symbol-file (concat qt4-base-dir "/Qt/qconfig.h"))
|
|
(add-to-list 'semantic-lex-c-preprocessor-symbol-file (concat qt4-base-dir "/Qt/qconfig-large.h"))
|
|
(add-to-list 'semantic-lex-c-preprocessor-symbol-file (concat qt4-base-dir "/Qt/qglobal.h"))))))
|
|
|
|
;;==============================================================================
|
|
;; Skel
|
|
;;==============================================================================
|
|
|
|
;; Note that it is possible to extend the skel syntax with
|
|
;; `skeleton-further-elements'. For instance:
|
|
; (setq skeleton-further-elements '((q "\"")))
|
|
|
|
(define-skeleton cc-case
|
|
"Insert a case/switch statement."
|
|
"expression: "
|
|
> "switch (" str ") {" \n
|
|
( "Value, %s: "
|
|
> "case " > str ":" \n
|
|
"break;" \n)
|
|
"default:" > \n
|
|
> _ \n
|
|
"break;" \n
|
|
resume:
|
|
"}" > \n)
|
|
|
|
(define-skeleton cc-debug
|
|
"Insert debug macros."
|
|
nil
|
|
> "#ifdef DEBUG
|
|
#define DEBUG_CMD(CMD) do {CMD;} while(0)
|
|
#else
|
|
#define DEBUG_CMD(CMD) do {} while(0)
|
|
#endif
|
|
|
|
"
|
|
'(insert-and-indent
|
|
"#define DEBUG_STR(STR) DEBUG_CMD(fprintf(stderr, \":: %s\\n\", STR))
|
|
#define DEBUG_PRINT(...) DEBUG_CMD( \\
|
|
fprintf(stderr, \"\\n\\033[31;1mDEBUG:\\033[0m %s:%d:%s()\\t\", __FILE__, __LINE__, __func__); \\
|
|
fprintf(stderr, __VA_ARGS__); \\
|
|
fprintf(stderr, \"\\n\"); \\
|
|
)"))
|
|
|
|
(define-skeleton cc-for
|
|
"for loop."
|
|
nil
|
|
'(setq str (skeleton-read "Variable: " "i"))
|
|
> "for (" @ (skeleton-read "" (concat str " = 0")) "; "
|
|
@ (skeleton-read "" (concat str " < N")) "; "
|
|
@ (skeleton-read "" (concat str "++")) ") {" \n
|
|
@ _ \n
|
|
"}" > )
|
|
|
|
(define-skeleton cc-function
|
|
"Insert punctuation for function."
|
|
"Arguments: " '(just-one-space) "(" @ str ") {" \n
|
|
> _ \n
|
|
"}" > \n)
|
|
|
|
(define-skeleton cc-getopt
|
|
"Insert a getopt template."
|
|
nil
|
|
> "int opt;" \n
|
|
"while ((opt = getopt(argc, argv, \":hV\")) != -1) {" \n
|
|
"switch(opt) {" \n
|
|
"case 'h':" > \n
|
|
"usage(argv[0]);" \n
|
|
"return 0;" \n
|
|
"case 'V':" > \n
|
|
"version();" \n
|
|
"return 0;" \n
|
|
"case ':':" > \n
|
|
"fprintf(stderr, \"ERROR: -%c needs an argument.\\nTry '%s -h' for more information.\\n\", optopt, argv[0]);" \n
|
|
"return EXIT_FAILURE;" \n
|
|
"case '?':" > \n
|
|
"fprintf(stderr, \"ERROR: Unknown argument %c.\\nTry '%s -h' for more information.\\n\", optopt, argv[0]);" \n
|
|
"return EXIT_FAILURE;" \n
|
|
"default:" > \n
|
|
"usage(argv[0]);" \n
|
|
"return EXIT_SUCCESS;" \n
|
|
"}" > \n
|
|
"}" > "\n" \n
|
|
"if (optind >= argc) {" \n
|
|
"fprintf(stderr, \"Expected argument after options\\n\");" \n
|
|
"exit(EXIT_FAILURE);" \n
|
|
"}" > \n)
|
|
|
|
(define-skeleton cc-if
|
|
"Insert an if statement."
|
|
"Condition: "
|
|
> "if (" @ str ") {" \n
|
|
> @ _ \n
|
|
("Other condition, %s: "
|
|
"} else if (" > @ str ") {" \n
|
|
@ \n)
|
|
"} else {" > \n
|
|
@ \n
|
|
resume:
|
|
"}" > \n)
|
|
|
|
(define-skeleton cc-include
|
|
"Insert system include."
|
|
"Header: "
|
|
\n "#include <" @ str ">" \n)
|
|
|
|
(define-skeleton cc-include-local
|
|
"Insert local include."
|
|
"Header: "
|
|
\n "#include \"" @ str "\"" \n)
|
|
|
|
(define-skeleton cc-loadfile
|
|
"Insert loadfile function."
|
|
nil
|
|
"unsigned long loadfile(const char *path, char **buffer_ptr) {" \n
|
|
"#define MAX_FILESIZE 1073741824 /* One gigabyte */" > "\n" \n
|
|
"/* Handle variable. */" \n
|
|
"char *buffer;" "\n" \n
|
|
"FILE *file = fopen(path, \"rb\");" \n
|
|
"if (file == NULL) {" \n
|
|
"perror(path);" \n
|
|
"return 0;" \n
|
|
"}" > "\n" \n
|
|
"fseek(file, 0, SEEK_END);" \n
|
|
"long length = ftell(file);" \n
|
|
"/* fprintf(stdout, \"Note: file %s is %u bytes long.\\n\", path, length); */" "\n" \n
|
|
"if (length > MAX_FILESIZE) {" \n
|
|
"fprintf(stderr, \"%s size %ld is bigger than %d bytes.\\n\", path, length, MAX_FILESIZE);" \n
|
|
"fclose(file);" \n
|
|
"return 0;" \n
|
|
"}" > "\n" \n
|
|
"fseek(file, 0, SEEK_SET);" \n
|
|
"buffer = (char *)malloc(length + 1);" \n
|
|
"if (buffer == NULL) {" \n
|
|
"perror(\"malloc\");" \n
|
|
"fclose(file);" \n
|
|
"return 0;" \n
|
|
"}" > "\n" \n
|
|
"if (fread(buffer, 1, length, file) == 0) {" \n
|
|
"fclose(file);" \n
|
|
"return 0;" \n
|
|
"}" > "\n" \n
|
|
"buffer[length] = '\\0';" \n
|
|
"fclose(file);" "\n" \n
|
|
"*buffer_ptr = buffer;" \n
|
|
"return length;" \n
|
|
"}" > \n)
|
|
|
|
(define-skeleton cc-main
|
|
"Insert main function with basic includes."
|
|
nil
|
|
> "#include <inttypes.h>
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char **argv) {" \n
|
|
> @ _ \n
|
|
> "return 0;
|
|
}" \n)
|
|
|
|
(define-skeleton cc-printf
|
|
"fprintf/printf snippet.
|
|
If no file descriptor is provided, switch do printf. The format
|
|
string is properly parsed (%% are not taken into account).\n
|
|
Requires `count-percents'."
|
|
nil
|
|
'(require 'functions)
|
|
'(setq v1 (skeleton-read "File desc: " "stderr"))
|
|
(if (string= v1 "") "printf(" (concat "fprintf(" v1 ", "))
|
|
"\"" (setq v1 (skeleton-read "Format string: " "%s\\n")) "\""
|
|
'(setq v2 (count-percents v1))
|
|
'(setq v1 0)
|
|
'(while (< v1 v2)
|
|
(setq v1 (1+ v1))
|
|
(skeleton-insert '(nil (concat ", " (skeleton-read "Value: ")))))
|
|
@ ");")
|
|
|
|
(define-skeleton cc-usage-version
|
|
"Insert usage() and version() functions."
|
|
"Synopsis: "
|
|
> "static void usage(const char *executable) {" \n
|
|
"printf(\"Usage: %s [OPTIONS]\\n\\n\", executable);" \n
|
|
"puts(\"" str "\\n\");" "\n" \n
|
|
|
|
"puts(\"Options:\");" \n
|
|
"puts(\" -h Print this help.\");" \n
|
|
"puts(\" -V Print version information.\");" "\n" \n
|
|
|
|
"puts(\"\");" \n
|
|
"printf(\"See %s for more information.\\n\", MANPAGE);" \n
|
|
"}" > "\n" \n
|
|
|
|
"static void version() {" \n
|
|
"printf(\"%s %s\\n\", APPNAME, VERSION);" \n
|
|
"printf(\"Copyright © %s %s\\n\", YEAR, AUTHOR);" \n
|
|
"}" > \n)
|
|
|
|
(provide 'mode-cc)
|