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/*
* Stage 1
*
* Define function prototypes.
*/
#undef NAME
#define NAME(n, d, v)
#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, v)
#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, v)
#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, v) .name = n, .desc = d, .version = v,
#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)
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