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Merge pull request #115 from gilles-peskine-arm/psa-error-compatibility_aliases

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Improve how generate_psa_constants handles compatibility aliases
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Gilles Peskine 2019-09-19 16:20:08 +02:00 • committed by GitHub
commit c893235ea1
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3 changed files with 41 additions and 38 deletions
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32
tests/scripts/test_psa_constant_names.py
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@ -159,19 +159,25 @@ class Inputs:
# Regex of macro names to exclude.
_excluded_name_re = re.compile(r'_(?:GET|IS|OF)_|_(?:BASE|FLAG|MASK)\Z')
# Additional excluded macros.
# PSA_ALG_ECDH and PSA_ALG_FFDH are excluded for now as the script
# currently doesn't support them. Deprecated errors are also excluded.
_excluded_names = set(['PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH',
'PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH_CASE',
'PSA_ALG_FULL_LENGTH_MAC',
'PSA_ALG_ECDH',
'PSA_ALG_FFDH',
'PSA_ERROR_UNKNOWN_ERROR',
'PSA_ERROR_OCCUPIED_SLOT',
'PSA_ERROR_EMPTY_SLOT',
'PSA_ERROR_INSUFFICIENT_CAPACITY',
])
_excluded_names = set([
# Macros that provide an alternative way to build the same
# algorithm as another macro.
'PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH',
'PSA_ALG_FULL_LENGTH_MAC',
# Auxiliary macro whose name doesn't fit the usual patterns for
# auxiliary macros.
'PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH_CASE',
# PSA_ALG_ECDH and PSA_ALG_FFDH are excluded for now as the script
# currently doesn't support them.
'PSA_ALG_ECDH',
'PSA_ALG_FFDH',
# Deprecated aliases.
'PSA_ERROR_UNKNOWN_ERROR',
'PSA_ERROR_OCCUPIED_SLOT',
'PSA_ERROR_EMPTY_SLOT',
'PSA_ERROR_INSUFFICIENT_CAPACITY',
'PSA_ERROR_TAMPERING_DETECTED',
])
def parse_header_line(self, line):
"""Parse a C header line, looking for "#define PSA_xxx"."""
m = re.match(self._header_line_re, line)