| /* External interfaces usable by dynamic objects loaded into GNU Make. | |
| --THIS API IS A "TECHNOLOGY PREVIEW" ONLY. IT IS NOT A STABLE INTERFACE-- | |
| Copyright (C) 2013-2023 Free Software Foundation, Inc. | |
| This file is part of GNU Make. | |
| GNU Make is free software; you can redistribute it and/or modify it under the | |
| terms of the GNU General Public License as published by the Free Software | |
| Foundation; either version 3 of the License, or (at your option) any later | |
| version. | |
| GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY | |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR | |
| A PARTICULAR PURPOSE. See the GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License along with | |
| this program. If not, see <https://www.gnu.org/licenses/>. */ | |
| /* Specify the location of elements read from makefiles. */ | |
| typedef struct | |
| { | |
| const char *filenm; | |
| unsigned long lineno; | |
| } gmk_floc; | |
| typedef char *(*gmk_func_ptr)(const char *nm, unsigned int argc, char **argv); | |
| /* Free memory returned by the gmk_expand() function. */ | |
| GMK_EXPORT void gmk_free (char *str); | |
| /* Allocate memory in GNU Make's context. */ | |
| GMK_EXPORT char *gmk_alloc (unsigned int len); | |
| /* Run $(eval ...) on the provided string BUFFER. */ | |
| GMK_EXPORT void gmk_eval (const char *buffer, const gmk_floc *floc); | |
| /* Run GNU Make expansion on the provided string STR. | |
| Returns an allocated buffer that the caller must free with gmk_free(). */ | |
| GMK_EXPORT char *gmk_expand (const char *str); | |
| /* Register a new GNU Make function NAME (maximum of 255 chars long). | |
| When the function is expanded in the makefile, FUNC will be invoked with | |
| the appropriate arguments. | |
| The return value of FUNC must be either NULL, in which case it expands to | |
| the empty string, or a pointer to the result of the expansion in a string | |
| created by gmk_alloc(). GNU Make will free the memory when it's done. | |
| MIN_ARGS is the minimum number of arguments the function requires. | |
| MAX_ARGS is the maximum number of arguments (or 0 if there's no maximum). | |
| MIN_ARGS and MAX_ARGS may not exceed 255. | |
| The FLAGS value may be GMK_FUNC_DEFAULT, or one or more of the following | |
| flags OR'd together: | |
| GMK_FUNC_NOEXPAND: the arguments to the function will be not be expanded | |
| before FUNC is called. | |
| */ | |
| GMK_EXPORT void gmk_add_function (const char *name, gmk_func_ptr func, | |
| unsigned int min_args, unsigned int max_args, | |
| unsigned int flags); | |