0: outfile = outfile[:i]
modname = outfile.upper()
outfile = modname + '.py'
outfp = open(outfile, 'w')
outfp.write('# Generated by h2py from %s\n' % filename)
filedict = {}
for dir in searchdirs:
if filename[:len(dir)] == dir:
filedict[filename[len(dir)+1:]] = None # no '/' trailing
importable[filename[len(dir)+1:]] = modname
break
process(fp, outfp)
outfp.close()
fp.close()
def pytify(body):
# replace ignored patterns by spaces
for p in ignores:
body = p.sub(' ', body)
# replace char literals by ord(...)
body = p_char.sub("ord('\\1')", body)
# Compute negative hexadecimal constants
start = 0
UMAX = 2*(sys.maxint+1)
while 1:
m = p_hex.search(body, start)
if not m: break
s,e = m.span()
val = long(body[slice(*m.span(1))], 16)
if val > sys.maxint:
val -= UMAX
body = body[:s] + "(" + str(val) + ")" + body[e:]
start = s + 1
return body
def process(fp, outfp, env = {}):
lineno = 0
while 1:
line = fp.readline()
if not line: break
lineno = lineno + 1
match = p_define.match(line)
if match:
# gobble up continuation lines
while line[-2:] == '\\\n':
nextline = fp.readline()
if not nextline: break
lineno = lineno + 1
line = line + nextline
name = match.group(1)
body = line[match.end():]
body = pytify(body)
ok = 0
stmt = '%s = %s\n' % (name, body.strip())
try:
exec stmt in env
except:
sys.stderr.write('Skipping: %s' % stmt)
else:
outfp.write(stmt)
match = p_macro.match(line)
if match:
macro, arg = match.group(1, 2)
body = line[match.end():]
body = pytify(body)
stmt = 'def %s(%s): return %s\n' % (macro, arg, body)
try:
exec stmt in env
except:
sys.stderr.write('Skipping: %s' % stmt)
else:
outfp.write(stmt)
match = p_include.match(line)
if match:
regs = match.regs
a, b = regs[1]
filename = line[a:b]
if importable.has_key(filename):
outfp.write('from %s import *\n' % importable[filename])
elif not filedict.has_key(filename):
filedict[filename] = None
inclfp = None
for dir in searchdirs:
try:
inclfp = open(dir + '/' + filename)
break
except IOError:
pass
if inclfp:
outfp.write(
'\n# Included from %s\n' % filename)
process(inclfp, outfp, env)
else:
sys.stderr.write('Warning - could not find file %s\n' %
filename)
if __name__ == '__main__':
main()