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/***************************************************************************
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MAME source code dependency generator
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****************************************************************************
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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* Neither the name 'MAME' nor the names of its contributors may be
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used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***************************************************************************/
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/***************************************************************************
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***************************************************************************/
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/***************************************************************************
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***************************************************************************/
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typedef struct _include_path include_path;
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typedef struct _exclude_path exclude_path;
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typedef struct _list_entry list_entry;
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typedef struct _file_entry file_entry;
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typedef struct _dependency dependency;
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/***************************************************************************
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***************************************************************************/
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static include_path *incpaths;
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static exclude_path *excpaths;
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static tagmap *file_map;
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/***************************************************************************
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***************************************************************************/
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/* core output functions */
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static int recurse_dir(int srcrootlen, const astring *srcdir);
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static file_entry *compute_dependencies(int srcrootlen, const astring *srcfile);
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static astring *find_include_file(int srcrootlen, const astring *srcfile, const astring *filename);
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/***************************************************************************
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***************************************************************************/
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/* core output functions */
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static int recurse_dir(int srcrootlen, const astring *srcdir);
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static file_entry *compute_dependencies(int srcrootlen, const astring *srcfile);
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static astring *find_include_file(int srcrootlen, const astring *srcfile, const astring *filename);
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/***************************************************************************
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***************************************************************************/
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/*-------------------------------------------------
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main - main entry point
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-------------------------------------------------*/
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int main(int argc, char *argv[])
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include_path **incpathhead = &incpaths;
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exclude_path **excpathhead = &excpaths;
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astring *srcdir = NULL;
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/* loop over arguments */
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for (argnum = 1; argnum < argc; argnum++)
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char *arg = argv[argnum];
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if (arg[0] == '-' && arg[1] == 'I')
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*incpathhead = (include_path *)malloc(sizeof(**incpathhead));
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if (*incpathhead != NULL)
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(*incpathhead)->next = NULL;
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(*incpathhead)->path = astring_replacechr(astring_dupc(&arg[2]), '/', PATH_SEPARATOR[0]);
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incpathhead = &(*incpathhead)->next;
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else if (arg[0] == '-' && arg[1] == 'X')
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*excpathhead = (exclude_path *)malloc(sizeof(**excpathhead));
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if (*excpathhead != NULL)
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(*excpathhead)->next = NULL;
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path = astring_replacechr(astring_dupc(&arg[2]), PATH_SEPARATOR[0], '/');
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(*excpathhead)->recursive = (astring_replacec(path, astring_len(path) - 4, "/...", "") != 0);
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(*excpathhead)->path = path;
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(*excpathhead)->pathlen = astring_len(path);
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excpathhead = &(*excpathhead)->next;
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/* ignore -include which is used by sdlmame to include sdlprefix.h before all other includes */
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else if (strcmp(arg,"-include") == 0)
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/* other parameter */
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else if (arg[0] != '-' && unadorned == 0)
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srcdir = astring_replacechr(astring_dupc(arg), '/', PATH_SEPARATOR[0]);
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/* make sure we got 1 parameter */
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/* create a tagmap for tracking files we've visited */
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file_map = tagmap_alloc();
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/* recurse over subdirectories */
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result = recurse_dir(astring_len(srcdir), srcdir);
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/* free source and destination directories */
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tagmap_free(file_map);
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astring_free(srcdir);
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fprintf(stderr, "Usage:\n%s <srcroot> [-Iincpath [-Iincpath [...]]]\n", argv[0]);
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/***************************************************************************
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CORE OUTPUT FUNCTIONS
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***************************************************************************/
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static int compare_list_entries(const void *p1, const void *p2)
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const list_entry *entry1 = *(const list_entry **)p1;
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const list_entry *entry2 = *(const list_entry **)p2;
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return strcmp(astring_c(entry1->name), astring_c(entry2->name));
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/*-------------------------------------------------
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recurse_dependencies - recurse through the
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dependencies found, adding the mto the tagmap
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unless we already exist in the map
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-------------------------------------------------*/
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static void recurse_dependencies(file_entry *file, tagmap *map)
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int filelen = astring_len(file->name);
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exclude_path *exclude;
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/* skip if we're in an exclude path */
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for (exclude = excpaths; exclude != NULL; exclude = exclude->next)
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if (exclude->pathlen < filelen && strncmp(astring_c(file->name), astring_c(exclude->path), exclude->pathlen) == 0)
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if (exclude->recursive || astring_chr(file->name, exclude->pathlen + 1, '/') == -1)
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/* attempt to add; if we get an error, we're already present */
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if (tagmap_add(map, astring_c(file->name), file->name, FALSE) != TMERR_NONE)
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/* recurse the list from there */
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for (dep = file->deplist; dep != NULL; dep = dep->next)
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recurse_dependencies(dep->file, map);
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/*-------------------------------------------------
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recurse_dir - recurse through a directory
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-------------------------------------------------*/
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static int recurse_dir(int srcrootlen, const astring *srcdir)
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static const osd_dir_entry_type typelist[] = { ENTTYPE_DIR, ENTTYPE_FILE };
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/* iterate first over directories, then over files */
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for (entindex = 0; entindex < ARRAY_LENGTH(typelist) && result == 0; entindex++)
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osd_dir_entry_type entry_type = typelist[entindex];
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const osd_directory_entry *entry;
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list_entry **listarray = NULL;
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list_entry *list = NULL;
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/* open the directory and iterate through it */
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dir = osd_opendir(astring_c(srcdir));
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/* build up the list of files */
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while ((entry = osd_readdir(dir)) != NULL)
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if (entry->type == entry_type && entry->name[0] != '.')
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list_entry *lentry = (list_entry *)malloc(sizeof(*lentry));
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lentry->name = astring_dupc(entry->name);
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/* close the directory */
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/* skip if nothing found */
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/* allocate memory for sorting */
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listarray = (list_entry **)malloc(sizeof(list_entry *) * found);
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for (curlist = list; curlist != NULL; curlist = curlist->next)
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listarray[found++] = curlist;
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qsort(listarray, found, sizeof(listarray[0]), compare_list_entries);
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/* rebuild the list */
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listarray[found]->next = list;
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list = listarray[found];
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/* iterate through each file */
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for (curlist = list; curlist != NULL && result == 0; curlist = curlist->next)
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/* build the source filename */
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srcfile = astring_alloc();
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astring_printf(srcfile, "%s%c%s", astring_c(srcdir), PATH_SEPARATOR[0], astring_c(curlist->name));
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/* if we have a file, output it */
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if (entry_type == ENTTYPE_FILE)
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/* make sure we care, first */
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if (core_filename_ends_with(astring_c(curlist->name), ".c"))
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tagmap *depend_map = tagmap_alloc();
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/* find dependencies */
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file = compute_dependencies(srcrootlen, srcfile);
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recurse_dependencies(file, depend_map);
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/* convert the target from source to object (makes assumptions about rules) */
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target = astring_dup(file->name);
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astring_replacec(target, 0, "src/", "$(OBJ)/");
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astring_replacec(target, 0, ".c", ".o");
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printf("\n%s : \\\n", astring_c(target));
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/* iterate over the hashed dependencies and output them as well */
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for (taghash = 0; taghash < TAGMAP_HASH_SIZE; taghash++)
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for (entry = depend_map->table[taghash]; entry != NULL; entry = entry->next)
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printf("\t%s \\\n", astring_c((astring *)entry->object));
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astring_free(target);
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tagmap_free(depend_map);
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/* if we have a directory, recurse */
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result = recurse_dir(srcrootlen, srcfile);
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/* free memory for the names */
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astring_free(srcfile);
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/* free all the allocated entries */
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list_entry *next = list->next;
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astring_free((astring *)list->name);
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/*-------------------------------------------------
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output_file - output a file, converting to
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-------------------------------------------------*/
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static file_entry *compute_dependencies(int srcrootlen, const astring *srcfile)
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/* see if we already have an entry */
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normalfile = astring_dup(srcfile);
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astring_replacechr(normalfile, PATH_SEPARATOR[0], '/');
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file = (file_entry *)tagmap_find(file_map, astring_c(normalfile));
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/* create a new header entry */
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file = (file_entry *)malloc(sizeof(*file));
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file->deplist = NULL;
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file->name = normalfile;
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tagmap_add(file_map, astring_c(file->name), file, FALSE);
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/* read the source file */
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if (core_fload(astring_c(srcfile), (void **)&filedata, &filelength) != FILERR_NONE)
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fprintf(stderr, "Unable to read file '%s'\n", astring_c(srcfile));
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/* find the #include directives in this file */
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for (index = 0; index < filelength; index++)
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if (filedata[index] == '#' && strncmp(&filedata[index + 1], "include", 7) == 0)
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astring *filename, *target;
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int just_continue = 0;
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/* first make sure we're not commented or quoted */
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for (scan = index; scan > 2 && filedata[scan] != 13 && filedata[scan] != 10; scan--)
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if ((filedata[scan] == '/' && filedata[scan - 1] == '/') || filedata[scan] == '"')
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/* scan forward to find the quotes or bracket */
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for (scan = index; scan < filelength && filedata[scan] != '<' && filedata[scan] != '"' && filedata[scan] != 13 && filedata[scan] != 10; scan++) ;
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/* ignore if not found or if it's bracketed */
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if (scan >= filelength || filedata[scan] != '"')
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/* find the closing quote */
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while (scan < filelength && filedata[scan] != '"')
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if (scan >= filelength)
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/* find the include file */
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filename = astring_dupch(&filedata[start], scan - start);
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target = find_include_file(srcrootlen, srcfile, filename);
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/* create a new dependency */
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dep = (dependency *)malloc(sizeof(*dep));
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dep->next = file->deplist;
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dep->file = compute_dependencies(srcrootlen, target);
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astring_free(target);
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astring_free(filename);
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/***************************************************************************
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***************************************************************************/
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/*-------------------------------------------------
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find_include_file - find an include file
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-------------------------------------------------*/
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static astring *find_include_file(int srcrootlen, const astring *srcfile, const astring *filename)
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include_path *curpath;
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/* iterate over include paths and find the file */
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for (curpath = incpaths; curpath != NULL; curpath = curpath->next)
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astring *srcincpath = astring_dup(curpath->path);
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int lastsepindex = 0;
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/* a '.' include path is specially treated */
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if (astring_cmpc(curpath->path, ".") == 0)
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astring_cpysubstr(srcincpath, srcfile, 0, astring_rchr(srcfile, 0, PATH_SEPARATOR[0]));
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/* append the filename piecemeal to account for directories */
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while ((sepindex = astring_chr(filename, lastsepindex, '/')) != -1)
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astring *pathpart = astring_dupsubstr(filename, lastsepindex, sepindex - lastsepindex);
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/* handle .. by removing a chunk from the incpath */
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if (astring_cmpc(pathpart, "..") == 0)
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int sepindex = astring_rchr(srcincpath, 0, PATH_SEPARATOR[0]);
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astring_substr(srcincpath, 0, sepindex);
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/* otherwise, append a path separator and the pathpart */
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astring_cat(astring_catc(srcincpath, PATH_SEPARATOR), pathpart);
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/* advance past the previous index */
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lastsepindex = sepindex + 1;
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/* free the path part we extracted */
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astring_free(pathpart);
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/* now append the filename */
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astring_catsubstr(astring_catc(srcincpath, PATH_SEPARATOR), filename, lastsepindex, -1);
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/* see if we can open it */
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if (core_fopen(astring_c(srcincpath), OPEN_FLAG_READ, &testfile) == FILERR_NONE)
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core_fclose(testfile);
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/* free our include path */
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astring_free(srcincpath);
added
removed
mess/src/build/makedep.c
