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Make the sym_diff utilities more useful.

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In particular when working with static libraries and libstdc++.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@353772 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2019-02-12 00:00:43 +00:00
parent ecc2c089fd
commit 199f01c55f
3 changed files with 40 additions and 17 deletions
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15
utils/sym_extract.py
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@@ -27,14 +27,27 @@ def main():
parser.add_argument('--only-stdlib-symbols', dest='only_stdlib',
help="Filter all symbols not related to the stdlib",
action='store_true', default=False)
parser.add_argument('--defined-only', dest='defined_only',
help="Filter all symbols that are not defined",
action='store_true', default=False)
parser.add_argument('--undefined-only', dest='undefined_only',
help="Filter all symbols that are defined",
action='store_true', default=False)
args = parser.parse_args()
assert not (args.undefined_only and args.defined_only)
if args.output is not None:
print('Extracting symbols from %s to %s.'
% (args.library, args.output))
syms = extract.extract_symbols(args.library)
if args.only_stdlib:
syms, other_syms = util.filter_stdlib_symbols(syms)
util.write_syms(syms, out=args.output, names_only=args.names_only)
filter = lambda x: x
if args.defined_only:
filter = lambda l: list([x for x in l if x['is_defined']])
if args.undefined_only:
filter = lambda l: list([x for x in l if not x['is_defined']])
util.write_syms(syms, out=args.output, names_only=args.names_only, filter=filter)
if __name__ == '__main__':