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Whitespace normalization.

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This commit is contained in:
Tim Peters 2001-01-17 08:48:39 +00:00
parent a888540593
commit 70c4378dbc
57 changed files with 2434 additions and 2440 deletions
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146
Tools/scripts/ifdef.py
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@ -3,7 +3,7 @@
# Selectively preprocess #ifdef / #ifndef statements.
# Usage:
# ifdef [-Dname] ... [-Uname] ... [file] ...
#
#
# This scans the file(s), looking for #ifdef and #ifndef preprocessor
# commands that test for one of the names mentioned in the -D and -U
# options. On standard output it writes a copy of the input file(s)
@ -35,79 +35,79 @@ defs = []
undefs = []
def main():
opts, args = getopt.getopt(sys.argv[1:], 'D:U:')
for o, a in opts:
if o == '-D':
defs.append(a)
if o == '-U':
undefs.append(a)
if not args:
args = ['-']
for file in args:
if file == '-':
process(sys.stdin, sys.stdout)
else:
f = open(file, 'r')
process(f, sys.stdout)
f.close()
opts, args = getopt.getopt(sys.argv[1:], 'D:U:')
for o, a in opts:
if o == '-D':
defs.append(a)
if o == '-U':
undefs.append(a)
if not args:
args = ['-']
for file in args:
if file == '-':
process(sys.stdin, sys.stdout)
else:
f = open(file, 'r')
process(f, sys.stdout)
f.close()
def process(fpi, fpo):
keywords = ('if', 'ifdef', 'ifndef', 'else', 'endif')
ok = 1
stack = []
while 1:
line = fpi.readline()
if not line: break
while line[-2:] == '\\\n':
nextline = fpi.readline()
if not nextline: break
line = line + nextline
tmp = string.strip(line)
if tmp[:1] != '#':
if ok: fpo.write(line)
continue
tmp = string.strip(tmp[1:])
words = string.split(tmp)
keyword = words[0]
if keyword not in keywords:
if ok: fpo.write(line)
continue
if keyword in ('ifdef', 'ifndef') and len(words) == 2:
if keyword == 'ifdef':
ko = 1
else:
ko = 0
word = words[1]
if word in defs:
stack.append((ok, ko, word))
if not ko: ok = 0
elif word in undefs:
stack.append((ok, not ko, word))
if ko: ok = 0
else:
stack.append((ok, -1, word))
if ok: fpo.write(line)
elif keyword == 'if':
stack.append((ok, -1, ''))
if ok: fpo.write(line)
elif keyword == 'else' and stack:
s_ok, s_ko, s_word = stack[-1]
if s_ko < 0:
if ok: fpo.write(line)
else:
s_ko = not s_ko
ok = s_ok
if not s_ko: ok = 0
stack[-1] = s_ok, s_ko, s_word
elif keyword == 'endif' and stack:
s_ok, s_ko, s_word = stack[-1]
if s_ko < 0:
if ok: fpo.write(line)
del stack[-1]
ok = s_ok
else:
sys.stderr.write('Unknown keyword %s\n' % keyword)
if stack:
sys.stderr.write('stack: %s\n' % stack)
keywords = ('if', 'ifdef', 'ifndef', 'else', 'endif')
ok = 1
stack = []
while 1:
line = fpi.readline()
if not line: break
while line[-2:] == '\\\n':
nextline = fpi.readline()
if not nextline: break
line = line + nextline
tmp = string.strip(line)
if tmp[:1] != '#':
if ok: fpo.write(line)
continue
tmp = string.strip(tmp[1:])
words = string.split(tmp)
keyword = words[0]
if keyword not in keywords:
if ok: fpo.write(line)
continue
if keyword in ('ifdef', 'ifndef') and len(words) == 2:
if keyword == 'ifdef':
ko = 1
else:
ko = 0
word = words[1]
if word in defs:
stack.append((ok, ko, word))
if not ko: ok = 0
elif word in undefs:
stack.append((ok, not ko, word))
if ko: ok = 0
else:
stack.append((ok, -1, word))
if ok: fpo.write(line)
elif keyword == 'if':
stack.append((ok, -1, ''))
if ok: fpo.write(line)
elif keyword == 'else' and stack:
s_ok, s_ko, s_word = stack[-1]
if s_ko < 0:
if ok: fpo.write(line)
else:
s_ko = not s_ko
ok = s_ok
if not s_ko: ok = 0
stack[-1] = s_ok, s_ko, s_word
elif keyword == 'endif' and stack:
s_ok, s_ko, s_word = stack[-1]
if s_ko < 0:
if ok: fpo.write(line)
del stack[-1]
ok = s_ok
else:
sys.stderr.write('Unknown keyword %s\n' % keyword)
if stack:
sys.stderr.write('stack: %s\n' % stack)
main()