/*************************************************************************** MAME source code dependency generator **************************************************************************** Copyright Aaron Giles All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name 'MAME' nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***************************************************************************/ #include #include #include #include #include #include "osdcore.h" #include "astring.h" #include "corefile.h" #include "tagmap.h" /*************************************************************************** CONSTANTS ***************************************************************************/ #define HASH_SIZE 193 /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ struct include_path { include_path * next; astring path; }; struct exclude_path { exclude_path * next; astring path; int pathlen; UINT8 recursive; }; struct list_entry { list_entry * next; astring name; }; struct file_entry; struct dependency { dependency * next; file_entry * file; }; struct file_entry { astring name; dependency * deplist; }; typedef tagmap_t dependency_map; /*************************************************************************** GLOBAL VARIABLES ***************************************************************************/ static include_path *incpaths; static exclude_path *excpaths; static tagmap_t file_map; /*************************************************************************** PROTOTYPES ***************************************************************************/ // core output functions static int recurse_dir(int srcrootlen, astring &srcdir); static file_entry &compute_dependencies(int srcrootlen, astring &srcfile); // path helpers static bool find_include_file(astring &srcincpath, int srcrootlen, const astring &srcfile, const astring &filename); /*************************************************************************** MAIN ***************************************************************************/ /*------------------------------------------------- main - main entry point -------------------------------------------------*/ void usage(const char *argv0) { fprintf(stderr, "Usage:\n%s [-Iincpath [-Iincpath [...]]]\n", argv0); exit(1); } int main(int argc, char *argv[]) { include_path **incpathhead = &incpaths; exclude_path **excpathhead = &excpaths; astring srcdir; int unadorned = 0; // loop over arguments for (int argnum = 1; argnum < argc; argnum++) { char *arg = argv[argnum]; // include path? if (arg[0] == '-' && arg[1] == 'I') { *incpathhead = new include_path; (*incpathhead)->next = NULL; (*incpathhead)->path.cpy(&arg[2]).replacechr('/', PATH_SEPARATOR[0]); incpathhead = &(*incpathhead)->next; } // exclude path? else if (arg[0] == '-' && arg[1] == 'X') { *excpathhead = new exclude_path; (*excpathhead)->next = NULL; (*excpathhead)->path.cpy(&arg[2]).replacechr(PATH_SEPARATOR[0], '/'); (*excpathhead)->recursive = ((*excpathhead)->path.replace((*excpathhead)->path.len() - 4, "/...", "") != 0); (*excpathhead)->pathlen = (*excpathhead)->path.len(); excpathhead = &(*excpathhead)->next; } // ignore -include which is used by sdlmame to include sdlprefix.h before all other includes else if (strcmp(arg,"-include") == 0) { argnum++; } // other parameter else if (arg[0] != '-' && unadorned == 0) { srcdir.cpy(arg).replacechr('/', PATH_SEPARATOR[0]); unadorned++; } else usage(argv[0]); } // make sure we got 1 parameter if (srcdir.len() == 0) usage(argv[0]); // recurse over subdirectories return recurse_dir(srcdir.len(), srcdir); } /*************************************************************************** CORE OUTPUT FUNCTIONS ***************************************************************************/ static int compare_list_entries(const void *p1, const void *p2) { const list_entry *entry1 = *(const list_entry **)p1; const list_entry *entry2 = *(const list_entry **)p2; return entry1->name.cmp(entry2->name); } /*------------------------------------------------- recurse_dependencies - recurse through the dependencies found, adding the mto the tagmap unless we already exist in the map -------------------------------------------------*/ static void recurse_dependencies(file_entry &file, dependency_map &map) { // skip if we're in an exclude path int filelen = file.name.len(); for (exclude_path *exclude = excpaths; exclude != NULL; exclude = exclude->next) if (exclude->pathlen < filelen && strncmp(file.name, exclude->path, exclude->pathlen) == 0) if (exclude->recursive || file.name.chr(exclude->pathlen + 1, '/') == -1) return; // attempt to add; if we get an error, we're already present if (map.add(file.name, 0) != TMERR_NONE) return; // recurse the list from there for (dependency *dep = file.deplist; dep != NULL; dep = dep->next) recurse_dependencies(*dep->file, map); } /*------------------------------------------------- recurse_dir - recurse through a directory -------------------------------------------------*/ static int recurse_dir(int srcrootlen, astring &srcdir) { static const osd_dir_entry_type typelist[] = { ENTTYPE_DIR, ENTTYPE_FILE }; int result = 0; // iterate first over directories, then over files for (int entindex = 0; entindex < ARRAY_LENGTH(typelist) && result == 0; entindex++) { osd_dir_entry_type entry_type = typelist[entindex]; // open the directory and iterate through it osd_directory *dir = osd_opendir(srcdir); if (dir == NULL) { result = 1; goto error; } // build up the list of files const osd_directory_entry *entry; list_entry *list = NULL; int found = 0; while ((entry = osd_readdir(dir)) != NULL) if (entry->type == entry_type && entry->name[0] != '.') { list_entry *lentry = new list_entry; lentry->name.cpy(entry->name); lentry->next = list; list = lentry; found++; } // close the directory osd_closedir(dir); // skip if nothing found if (found == 0) continue; // allocate memory for sorting list_entry **listarray = new list_entry *[found]; found = 0; for (list_entry *curlist = list; curlist != NULL; curlist = curlist->next) listarray[found++] = curlist; // sort the list qsort(listarray, found, sizeof(listarray[0]), compare_list_entries); // rebuild the list list = NULL; while (--found >= 0) { listarray[found]->next = list; list = listarray[found]; } delete[] listarray; // iterate through each file for (list_entry *curlist = list; curlist != NULL && result == 0; curlist = curlist->next) { astring srcfile; // build the source filename srcfile.printf("%s%c%s", srcdir.cstr(), PATH_SEPARATOR[0], curlist->name.cstr()); // if we have a file, output it if (entry_type == ENTTYPE_FILE) { // make sure we care, first if (core_filename_ends_with(curlist->name, ".c")) { dependency_map depend_map; // find dependencies file_entry &file = compute_dependencies(srcrootlen, srcfile); recurse_dependencies(file, depend_map); // convert the target from source to object (makes assumptions about rules) astring target(file.name); target.replace(0, "src/", "$(OBJ)/"); target.replace(0, ".c", ".o"); printf("\n%s : \\\n", target.cstr()); // iterate over the hashed dependencies and output them as well for (dependency_map::entry_t *entry = depend_map.first(); entry != NULL; entry = depend_map.next(entry)) printf("\t%s \\\n", entry->tag().cstr()); } } // if we have a directory, recurse else result = recurse_dir(srcrootlen, srcfile); } // free all the allocated entries while (list != NULL) { list_entry *next = list->next; delete list; list = next; } } error: return result; } /*------------------------------------------------- output_file - output a file, converting to HTML -------------------------------------------------*/ static file_entry &compute_dependencies(int srcrootlen, astring &srcfile) { // see if we already have an entry astring normalfile(srcfile); normalfile.replacechr(PATH_SEPARATOR[0], '/'); file_entry *foundfile = file_map.find(normalfile); if (foundfile != NULL) return *foundfile; // create a new header entry file_entry &file = *new file_entry; file.deplist = NULL; file.name = normalfile; file_map.add(file.name, &file); // read the source file UINT32 filelength; char *filedata; if (core_fload(srcfile, (void **)&filedata, &filelength) != FILERR_NONE) { fprintf(stderr, "Unable to read file '%s'\n", srcfile.cstr()); return file; } // find the #include directives in this file for (int index = 0; index < filelength; index++) if (filedata[index] == '#' && strncmp(&filedata[index + 1], "include", 7) == 0) { // first make sure we're not commented or quoted bool just_continue = false; for (int scan = index; scan > 2 && filedata[scan] != 13 && filedata[scan] != 10; scan--) if ((filedata[scan] == '/' && filedata[scan - 1] == '/') || filedata[scan] == '"') { just_continue = true; break; } if (just_continue) continue; // scan forward to find the quotes or bracket index += 7; int scan; for (scan = index; scan < filelength && filedata[scan] != '<' && filedata[scan] != '"' && filedata[scan] != 13 && filedata[scan] != 10; scan++) ; // ignore if not found or if it's bracketed if (scan >= filelength || filedata[scan] != '"') continue; int start = ++scan; // find the closing quote while (scan < filelength && filedata[scan] != '"') scan++; if (scan >= filelength) continue; // find the include file astring filename(&filedata[start], scan - start); astring target; // create a new dependency if (find_include_file(target, srcrootlen, srcfile, filename)) { dependency *dep = new dependency; dep->next = file.deplist; file.deplist = dep; dep->file = &compute_dependencies(srcrootlen, target); } } osd_free(filedata); return file; } /*************************************************************************** HELPERS ***************************************************************************/ /*------------------------------------------------- find_include_file - find an include file -------------------------------------------------*/ static bool find_include_file(astring &srcincpath, int srcrootlen, const astring &srcfile, const astring &filename) { // iterate over include paths and find the file for (include_path *curpath = incpaths; curpath != NULL; curpath = curpath->next) { // a '.' include path is specially treated if (curpath->path == ".") srcincpath.cpysubstr(srcfile, 0, srcfile.rchr(0, PATH_SEPARATOR[0])); else srcincpath.cpy(curpath->path); // append the filename piecemeal to account for directories int lastsepindex = 0; int sepindex; while ((sepindex = filename.chr(lastsepindex, '/')) != -1) { astring pathpart(filename, lastsepindex, sepindex - lastsepindex); // handle .. by removing a chunk from the incpath if (pathpart == "..") { int sepindex_part = srcincpath.rchr(0, PATH_SEPARATOR[0]); if (sepindex_part != -1) srcincpath.substr(0, sepindex_part); } // otherwise, append a path separator and the pathpart else srcincpath.cat(PATH_SEPARATOR).cat(pathpart); // advance past the previous index lastsepindex = sepindex + 1; } // now append the filename srcincpath.cat(PATH_SEPARATOR).catsubstr(filename, lastsepindex, -1); // see if we can open it core_file *testfile; if (core_fopen(srcincpath, OPEN_FLAG_READ, &testfile) == FILERR_NONE) { // close the file core_fclose(testfile); return true; } } return false; }