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As part of a goal to eliminate Perl from libvirt build tools, rewrite the mock-noinline.pl tool in Python. This was a straight conversion, manually going line-by-line to change the syntax from Perl to Python. Thus the overall structure of the file and approach is the same. Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2017-2019 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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import re
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import sys
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noninlined = {}
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mocked = {}
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# Functions in public header don't get the noinline annotation
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# so whitelist them here
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noninlined["virEventAddTimeout"] = True
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# This one confuses the script as its defined in the mock file
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# but is actually just a local helper
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noninlined["virMockStatRedirect"] = True
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def scan_annotations(filename):
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with open(filename, "r") as fh:
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func = None
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for line in fh:
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m = re.search(r'''^\s*(\w+)\(''', line)
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if m is None:
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m = re.search(r'''^(?:\w+\*?\s+)+(?:\*\s*)?(\w+)\(''', line)
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if m is not None:
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name = m.group(1)
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if "ATTRIBUTE" not in name and "G_GNUC_" not in name:
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func = name
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elif line.isspace():
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func = None
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if "G_GNUC_NO_INLINE" in line:
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if func is not None:
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noninlined[func] = True
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def scan_overrides(filename):
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with open(filename, "r") as fh:
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lineno = 0
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for line in fh:
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lineno = lineno + 1
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m = re.search(r'''^(\w+)\(''', line)
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if m is None:
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m = re.search(r'''^\w+\s*(?:\*\s*)?(\w+)\(''', line)
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if m is not None:
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name = m.group(1)
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if name.startswith("vir"):
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mocked[name] = "%s:%d" % (filename, lineno)
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for filename in sys.argv[1:]:
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if filename.endswith(".h"):
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scan_annotations(filename)
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elif filename.endswith("mock.c"):
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scan_overrides(filename)
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warned = False
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for func in mocked.keys():
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if func not in noninlined:
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warned = True
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print("%s is mocked at %s but missing noinline annotation" %
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(func, mocked[func]), file=sys.stderr)
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if warned:
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sys.exit(1)
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sys.exit(0)
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