cpython/Doc/tools/findcsyms

108 lines
2.6 KiB
Python
Executable File

#! /usr/bin/env python
import errno
import os
import sys
if __name__ == "__main__":
_base = sys.argv[0]
else:
_base = __file__
_script_home = os.path.abspath(os.path.dirname(_base))
srcdir = os.path.dirname(os.path.dirname(_script_home))
EXCLUDES = ["bitset.h", "cStringIO.h", "graminit.h", "grammar.h",
"longintrepr.h", "metagrammar.h",
"node.h", "opcode.h", "osdefs.h", "pgenheaders.h",
"py_curses.h", "parsetok.h", "symtable.h", "token.h"]
def list_headers():
"""Return a list of headers."""
incdir = os.path.join(srcdir, "Include")
return [fn for fn in os.listdir(incdir)
if fn.endswith(".h") and fn not in EXCLUDES]
def list_documented_items():
"""Return a list of everything that's already documented."""
docdir = os.path.join(srcdir, "Doc")
return []
def split_documented(all, documented):
"""Split the list of all symbols into documented and undocumented
categories."""
doc = []
undoc = []
for t in all:
if t[0] in documented:
doc.append(t)
else:
undoc.append(t)
return doc, undoc
def print_list(L, title=None):
"""Dump a list to stdout."""
if title:
print title + ":"
print "-" * (len(title) + 1)
w = 0
for sym, filename in L:
w = max(w, len(sym))
if w % 4 == 0:
w += 4
else:
w += (4 - (w % 4))
for sym, filename in L:
print "%-*s%s" % (w, sym, filename)
_spcjoin = ' '.join
def main():
args = sys.argv[1:]
if args:
headers = args
documented = []
else:
os.chdir(os.path.join(srcdir, "Include"))
headers = list_headers()
documented = list_documented_items()
cmd = ("ctags -f - --file-scope=no --c-types=-mv "
"-Istaticforward -Istatichere "
+ _spcjoin(headers))
fp = os.popen(cmd)
L = []
prevsym = None
while 1:
line = fp.readline()
if not line:
break
sym, filename = line.split()[:2]
if sym == prevsym:
continue
if not sym.endswith("_H"):
L.append((sym, filename))
prevsym = sym
L.sort()
fp.close()
try:
if documented:
documented, undocumented = split_documented(L, documented)
print_list(documented, "Documented symbols")
if undocumented:
print
print_list(undocumented, "Undocumented symbols")
else:
print_list(L)
except IOError, e:
if e.errno != errno.EPIPE:
raise
if __name__ == "__main__":
main()