66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
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# VCSToChangeLog Quirks for the GNU C Library.
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# Copyright (C) 2019-2022 Free Software Foundation, Inc.
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#
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# The GNU C 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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# The GNU C 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 the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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from frontend_c import Frontend
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from projectquirks import ProjectQuirks
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import re
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class GlibcProjectQuirks(ProjectQuirks):
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repo = 'git'
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IGNORE_LIST = [
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'ChangeLog',
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'sysdeps/x86_64/dl-trampoline.h'
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]
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MACRO_QUIRKS = \
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[{'orig': r'ElfW\((\w+)\)', 'sub': r'\1__ELF_NATIVE_CLASS_t'},
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{'orig': r'(libc_freeres_fn)\s*\((\w+)\)', 'sub': r'static void \1__\2 (void)'},
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{'orig': r'(IMPL)\s*\((\w+), .*\)$', 'sub': r'static void \1__\2 (void) {}'},
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{'orig': r'__(BEGIN|END)_DECLS', 'sub': r''},
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{'orig': 'weak_function', 'sub': '__attribute__ ((weak))'},
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{'orig': r'ATTRIBUTE_(CONST|MALLOC|PURE|FORMAT)',
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'sub': r'__attribute__ ((\1))'},
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{'orig': r'__THROW', 'sub': r'__attribute__ ((__nothrow__ __LEAF))'},
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{'orig': r'__THROWNL', 'sub': r'__attribute__ ((__nothrow__))'},
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{'orig': r'__nonnull \(\(([^)]+)\)\)',
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'sub': r'__attribute__ ((__nonnull__ \1))'},
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{'orig': r'([^_])attribute_(\w+)', 'sub': r'\1__attribute__ ((\2))'},
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{'orig': r'^attribute_(\w+)', 'sub': r'__attribute__ ((\1))'}]
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def __init__(self, debug):
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self.debug = debug
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''' Build a list of macro calls used for symbol versioning and attributes.
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glibc uses a set of macro calls that do not end with a semi-colon and hence
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breaks our parser. Identify those calls from include/libc-symbols.h and
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filter them out.
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'''
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with open('include/libc-symbols.h') as macrofile:
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op = macrofile.readlines()
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op = Frontend.remove_comments(self, op)
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self.C_MACROS = [re.sub(r'.*define (\w+).*', r'\1', x[:-1]) for x in op \
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if 'define ' in x]
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super().__init__()
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def get_project_quirks(debug):
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''' Accessor function.
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'''
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return GlibcProjectQuirks(debug)
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