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/***************************************************************************
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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <zlib.h>
#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<UINT8> dependency_map;
/***************************************************************************
GLOBAL VARIABLES
***************************************************************************/
static include_path *incpaths;
static exclude_path *excpaths;
static tagmap_t<file_entry *> 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 <srcroot> [-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;
}
|