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#!/usr/bin/env python
# Generate WiredTiger function prototypes.
import fnmatch, re
from dist import compare_srcfile, format_srcfile, source_files
# Build function prototypes from a list of files.
def prototypes(list, name):
s = open(name, 'r').read()
for p in re.findall(r'\n[A-Za-z_].*\n__wt_[^{]*', s):
l = p.strip()
# Ignore statics in XXX.c files.
if fnmatch.fnmatch(name, "*.c") and 'static' in l:
continue
# Join the first two lines, type and function name.
l = l.replace("\n", " ", 1)
# If there's no CPP syntax, join everything.
if not '#endif' in l:
l = " ".join(l.split())
# If it's not an inline function, prefix with "extern".
if not 'inline' in l:
l = 'extern ' + l
# Switch to the include file version of any gcc attributes.
l = l.replace("WT_GCC_FUNC_ATTRIBUTE", "WT_GCC_FUNC_DECL_ATTRIBUTE")
# Everything but void requires using any return value.
if not re.match(r'(static inline|extern) void', l):
l = l + " WT_GCC_FUNC_DECL_ATTRIBUTE((warn_unused_result))"
# If a line ends in #endif, appending a semicolon results in an illegal
# expression, force an appended newline.
if re.match(r'#endif$', l):
l = l + '\n'
# Add the trailing semi-colon.
list.append(l + ';\n')
# Write results and compare to the current file.
def output(p, f):
tmp_file = '__tmp'
tfile = open(tmp_file, 'w')
for e in sorted(list(set(p))):
tfile.write(e)
tfile.close()
format_srcfile(tmp_file)
compare_srcfile(tmp_file, f)
# Update generic function prototypes.
def prototypes_extern():
p = []
for name in source_files():
if not fnmatch.fnmatch(name, '*.[ci]'):
continue;
if fnmatch.fnmatch(name, '*/checksum/arm64/*'):
continue
if fnmatch.fnmatch(name, '*/checksum/power8/*'):
continue
if fnmatch.fnmatch(name, '*/checksum/zseries/*'):
continue
if fnmatch.fnmatch(name, '*/os_posix/*'):
continue
if fnmatch.fnmatch(name, '*/os_win/*'):
continue
if fnmatch.fnmatch(name, '*/ext/*'):
continue
prototypes(p, name)
output(p, "../src/include/extern.h")
# Update POSIX-specific function prototypes.
def prototypes_posix():
p = []
for name in source_files():
if not fnmatch.fnmatch(name, '*.[ci]'):
continue;
if not fnmatch.fnmatch(name, '*/os_posix/*'):
continue
prototypes(p, name)
output(p, "../src/include/extern_posix.h")
# Update Windows-specific function prototypes.
def prototypes_win():
p = []
for name in source_files():
if not fnmatch.fnmatch(name, '*.[ci]'):
continue;
if not fnmatch.fnmatch(name, '*/os_win/*'):
continue
prototypes(p, name)
output(p, "../src/include/extern_win.h")
prototypes_extern()
prototypes_posix()
prototypes_win()
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