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#!/usr/bin/env python
import re,sys
try:
maketrans = str.maketrans
except AttributeError:
# For python2
from string import maketrans
pats = [
[ r"__InClUdE__(.*)", r"#include\1" ],
[ r"__IfDeF__ (XEN_HAVE.*)", r"#ifdef \1" ],
[ r"__ElSe__", r"#else" ],
[ r"__EnDif__", r"#endif" ],
[ r"__DeFiNe__", r"#define" ],
[ r"__UnDeF__", r"#undef" ],
[ r"\"xen-compat.h\"", r"<public/xen-compat.h>" ],
[ r"(struct|union|enum)\s+(xen_?)?(\w)", r"\1 compat_\3" ],
[ r"typedef(.*)@KeeP@((xen_?)?)([\w]+)([^\w])",
r"typedef\1\2\4 __attribute__((__aligned__(__alignof(\1compat_\4))))\5" ],
[ r"_t([^\w]|$)", r"_compat_t\1" ],
[ r"int(8|16|32|64_aligned)_compat_t([^\w]|$)", r"int\1_t\2" ],
[ r"(\su?int64(_compat)?)_T([^\w]|$)", r"\1_t\3" ],
[ r"(^|[^\w])xen_?(\w*)_compat_t([^\w]|$$)", r"\1compat_\2_t\3" ],
[ r"(^|[^\w])XEN_?", r"\1COMPAT_" ],
[ r"(^|[^\w])Xen_?", r"\1Compat_" ],
[ r"(^|[^\w])COMPAT_HANDLE_64\(", r"\1XEN_GUEST_HANDLE_64(" ],
[ r"(^|[^\w])long([^\w]|$$)", r"\1int\2" ]
];
output_filename = sys.argv[1]
# tr '[:lower:]-/.' '[:upper:]___'
header_id = '_' + \
output_filename.upper().translate(maketrans('-/.','___'))
header = """#ifndef {0}
#define {0}
#include <xen/compat.h>""".format(header_id)
print(header)
if not re.match("compat/arch-.*.h$", output_filename):
x = output_filename.replace("compat/","public/")
print('#include <%s>' % x)
last_line_empty = False
for line in sys.stdin.readlines():
line = line.rstrip()
# Remove linemarkers generated by the preprocessor.
if re.match(r"^# \d", line):
continue
# De-duplicate empty lines.
if len(line) == 0:
if not last_line_empty:
print(line)
last_line_empty = True
continue
else:
last_line_empty = False
for pat in pats:
line = re.sub(pat[0], pat[1], line)
print(line)
print("#endif /* %s */" % header_id)
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