109 lines
1.8 KiB
C
109 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Stage 1
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*
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* Define function prototypes.
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*/
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#undef NAME
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#define NAME(n, d, v)
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#undef ENTRY
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#define ENTRY(n, h, f, ...) \
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static int f(int argc, char **argv, struct command *command, struct plugin *plugin);
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#undef COMMAND_LIST
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#define COMMAND_LIST(args...) args
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#undef PLUGIN
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#define PLUGIN(name, cmds) cmds
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#include CMD_INCLUDE(CMD_INC_FILE)
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/*
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* Stage 2
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*
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* Define command structures.
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*/
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#undef NAME
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#define NAME(n, d, v)
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#undef ENTRY_W_ALIAS
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#define ENTRY_W_ALIAS(n, h, f, a) \
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static struct command f ## _cmd = { \
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.name = n, \
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.help = h, \
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.fn = f, \
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.alias = a, \
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};
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#undef ENTRY_WO_ALIAS
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#define ENTRY_WO_ALIAS(n, h, f) \
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ENTRY_W_ALIAS(n, h, f, NULL)
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#undef ENTRY_SEL
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#define ENTRY_SEL(n, h, f, a, CMD, ...) CMD
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#undef ENTRY
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#define ENTRY(...) \
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ENTRY_SEL(__VA_ARGS__, ENTRY_W_ALIAS, ENTRY_WO_ALIAS)(__VA_ARGS__)
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#undef COMMAND_LIST
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#define COMMAND_LIST(args...) args
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#undef PLUGIN
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#define PLUGIN(name, cmds) cmds
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#include CMD_INCLUDE(CMD_INC_FILE)
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/*
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* Stage 3
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*
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* Generate list of commands for the plugin.
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*/
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#undef NAME
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#define NAME(n, d, v)
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#undef ENTRY
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#define ENTRY(n, h, f, ...) &f ## _cmd,
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#undef COMMAND_LIST
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#define COMMAND_LIST(args...) \
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static struct command *commands[] = { \
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args \
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NULL, \
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};
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#undef PLUGIN
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#define PLUGIN(name, cmds) cmds
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#include CMD_INCLUDE(CMD_INC_FILE)
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/*
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* Stage 4
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*
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* Define and register plugin
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*/
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#undef NAME
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#define NAME(n, d, v) .name = n, .desc = d, .version = v,
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#undef COMMAND_LIST
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#define COMMAND_LIST(args...)
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#undef PLUGIN
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#define PLUGIN(name, cmds) \
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static struct plugin plugin = { \
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name \
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.commands = commands \
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}; \
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\
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static void init(void) __attribute__((constructor)); \
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static void init(void) \
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{ \
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register_extension(&plugin); \
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}
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#include CMD_INCLUDE(CMD_INC_FILE)
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