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#!/usr/bin/env python
#
# With -t, report on which status masks are used in the daemon vs. the
# client-side library.
#
# With -p, dump a Python status mask list translated from the C one.
#
# With -c, generare C code to dump masks for debugging purposes.
import sys, commands, glob, getopt
class SourceExtractor:
def __init__(self):
self.daemonfiles = ["gpsd.c", "libgpsd_core.c", "pseudonmea.c"] + glob.glob("driver_*.c")
self.masks = []
self.primitive_masks = []
for line in file("gps.h"):
if line.startswith("#define") and "_SET" in line:
fields = line.split()
self.masks.append((fields[1], fields[2]))
if fields[2].endswith("u"):
self.primitive_masks.append((fields[1], fields[2]))
def in_library(self, flag):
(status, output) = commands.getstatusoutput("grep %s libgps.c libgps_json.c" % flag)
return status == 0
def in_daemon(self, flag):
(status, output) = commands.getstatusoutput("grep %s %s" % (flag, " ".join(self.daemonfiles)))
return status == 0
if __name__ == '__main__':
try:
(options, arguments) = getopt.getopt(sys.argv[1:], "ptc")
tabulate = False
pythonize = False
codegen = False
for (switch, val) in options:
if (switch == '-t'):
tabulate = True
if (switch == '-p'):
pythonize = True
if (switch == '-c'):
codegen = True
source = SourceExtractor()
if tabulate:
print "%-14s %8s %8s" % (" ", "Library", "Daemon")
for (flag, value) in source.masks:
print "%-14s %8s %8s" % (flag, source.in_library(flag), source.in_daemon(flag))
if pythonize:
for (d, v) in source.masks:
if v[-1] == 'u':
v = v[:-1]
print "%-15s\t= %s" % (d, v)
if codegen:
maxout = 0
for (d, v) in source.primitive_masks:
if source.in_daemon(d):
stem = d
if stem.endswith("_SET"):
stem = stem[:-4]
maxout += len(stem) + 1
print """/* This code is generated. Do not hand-hack it! */
#include <stdio.h>
#include <string.h>
#include \"gpsd.h\"
const char *gpsd_maskdump(gps_mask_t set)
{
static char buf[%d];
const struct {
gps_mask_t mask;
const char *name;
} *sp, names[] = {""" % (maxout + 3,)
for (flag, value) in source.primitive_masks:
stem = flag
if stem.endswith("_SET"):
stem = stem[:-4]
print "\t{%s,\t\"%s\"}," % (flag, stem)
print '''\
};
memset(buf, '\\0', sizeof(buf));
buf[0] = '{';
for (sp = names; sp < names + sizeof(names)/sizeof(names[0]); sp++)
if ((set & sp->mask)!=0) {
(void)strlcat(buf, sp->name, sizeof(buf));
(void)strlcat(buf, "|", sizeof(buf));
}
if (buf[1] != \'\\0\')
buf[strlen(buf)-1] = \'\\0\';
(void)strlcat(buf, "}", sizeof(buf));
return buf;
}
'''
except KeyboardInterrupt:
pass
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