From dc597ce8df5ae6efd2728a2d7ba7d92486028f79 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 2 Jul 2021 22:40:30 +0200 Subject: Adding upstream version 1.12. Signed-off-by: Daniel Baumann --- cmd_handler.h | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 cmd_handler.h (limited to 'cmd_handler.h') diff --git a/cmd_handler.h b/cmd_handler.h new file mode 100644 index 0000000..d40740d --- /dev/null +++ b/cmd_handler.h @@ -0,0 +1,108 @@ +/* + * Stage 1 + * + * Define function prototypes. + */ + +#undef NAME +#define NAME(n, d) + +#undef ENTRY +#define ENTRY(n, h, f, ...) \ +static int f(int argc, char **argv, struct command *command, struct plugin *plugin); + +#undef COMMAND_LIST +#define COMMAND_LIST(args...) args + +#undef PLUGIN +#define PLUGIN(name, cmds) cmds + +#include CMD_INCLUDE(CMD_INC_FILE) + +/* + * Stage 2 + * + * Define command structures. + */ + +#undef NAME +#define NAME(n, d) + +#undef ENTRY_W_ALIAS +#define ENTRY_W_ALIAS(n, h, f, a) \ +static struct command f ## _cmd = { \ + .name = n, \ + .help = h, \ + .fn = f, \ + .alias = a, \ +}; + +#undef ENTRY_WO_ALIAS +#define ENTRY_WO_ALIAS(n, h, f) \ + ENTRY_W_ALIAS(n, h, f, NULL) + +#undef ENTRY_SEL +#define ENTRY_SEL(n, h, f, a, CMD, ...) CMD + +#undef ENTRY +#define ENTRY(...) \ + ENTRY_SEL(__VA_ARGS__, ENTRY_W_ALIAS, ENTRY_WO_ALIAS)(__VA_ARGS__) + +#undef COMMAND_LIST +#define COMMAND_LIST(args...) args + +#undef PLUGIN +#define PLUGIN(name, cmds) cmds + +#include CMD_INCLUDE(CMD_INC_FILE) + +/* + * Stage 3 + * + * Generate list of commands for the plugin. + */ + +#undef NAME +#define NAME(n, d) + +#undef ENTRY +#define ENTRY(n, h, f, ...) &f ## _cmd, + +#undef COMMAND_LIST +#define COMMAND_LIST(args...) \ +static struct command *commands[] = { \ + args \ + NULL, \ +}; + +#undef PLUGIN +#define PLUGIN(name, cmds) cmds + +#include CMD_INCLUDE(CMD_INC_FILE) + +/* + * Stage 4 + * + * Define and register plugin + */ + +#undef NAME +#define NAME(n, d) .name = n, .desc = d, + +#undef COMMAND_LIST +#define COMMAND_LIST(args...) + +#undef PLUGIN +#define PLUGIN(name, cmds) \ +static struct plugin plugin = { \ + name \ + .commands = commands \ +}; \ + \ +static void init(void) __attribute__((constructor)); \ +static void init(void) \ +{ \ + register_extension(&plugin); \ +} + +#include CMD_INCLUDE(CMD_INC_FILE) -- cgit v1.2.3