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/*
* Copyright © 2022 Michael Smith <mikesmiffy128@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef INC_CMETA_H
#define INC_CMETA_H
#include "../os.h"
struct cmeta;
const struct cmeta *cmeta_loadfile(const os_char *f);
/*
* Iterates through all the #include directives in a file, passing each one in
* turn to the callback cb.
*/
void cmeta_includes(const struct cmeta *cm,
void (*cb)(const char *f, bool issys, void *ctxt), void *ctxt);
/*
* Iterates through all commands and variables declared using the macros in
* con_.h, passing each one in turn to the callback cb.
*/
void cmeta_conmacros(const struct cmeta *cm,
void (*cb)(const char *name, bool isvar, bool unreg));
/*
* Looks for a feature description macro in file, returning the description
* string if it exists, an empty string if the feature is defined without a
* user-facing description, and null if source file does not define a feature.
*/
const char *cmeta_findfeatmacro(const struct cmeta *cm);
/*
* the various kinds of feature specficiation macros, besides the feature
* declaration macro itself
*/
enum cmeta_featmacro {
CMETA_FEAT_REQUIRE,
CMETA_FEAT_REQUIREGD,
CMETA_FEAT_REQUIREGLOBAL,
CMETA_FEAT_REQUEST,
CMETA_FEAT_PREINIT,
CMETA_FEAT_INIT,
CMETA_FEAT_END
};
/*
* Iterates through all feature dependency macros and init/end/preinit
* indicators, passing each bit of information to the callback cb.
*
* PREINT, INIT and END macros don't pass anything to param.
*
* This one takes a context pointer, while the others don't, because this is all
* cobbled together without much consistent abstraction.
*/
void cmeta_featinfomacros(const struct cmeta *cm, void (*cb)(
enum cmeta_featmacro type, const char *param, void *ctxt), void *ctxt);
/*
* Iterates through all event-related macros and takes note of which events are
* defined, giving a callback for each.
*/
void cmeta_evdefmacros(const struct cmeta *cm, void (*cb)(const char *name,
const char *const *params, int nparams, bool predicate));
/*
* Iterates through all event-related macros and gives a callback for each event
* that is handled by the given module.
*/
void cmeta_evhandlermacros(const struct cmeta *cm, const char *modname,
void (*cb)(const char *evname, const char *modname));
#endif
// vi: sw=4 ts=4 noet tw=80 cc=80
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