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tools/mpy-tool.py: Compute the hash value for str/bytes objects. 

This makes it more efficient at runtime to hash str/bytes objects.
This commit is contained in:
Damien George 2016-09-02 15:10:45 +10:00
parent b4790afdaf
commit b6bdf18deb
1 changed files with 9 additions and 9 deletions
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14
tools/mpy-tool.py
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@ -283,15 +283,15 @@ class RawCode:
# generate constant objects
for i, obj in enumerate(self.objs):
obj_name = 'const_obj_%s_%u' % (self.escaped_name, i)
if is_str_type(obj) or is_bytes_type(obj):
if is_str_type(obj):
obj = bytes_cons(obj, 'utf8')
print('STATIC const mp_obj_str_t %s = '
'{{&mp_type_str}, 0, %u, (const byte*)"%s"};'
% (obj_name, len(obj), ''.join(('\\x%02x' % b) for b in obj)))
elif is_bytes_type(obj):
print('STATIC const mp_obj_str_t %s = '
'{{&mp_type_bytes}, 0, %u, (const byte*)"%s"};'
% (obj_name, len(obj), ''.join(('\\x%02x' % b) for b in obj)))
obj_type = 'mp_type_str'
else:
obj_type = 'mp_type_bytes'
print('STATIC const mp_obj_str_t %s = {{&%s}, %u, %u, (const byte*)"%s"};'
% (obj_name, obj_type, qstrutil.compute_hash(obj, config.MICROPY_QSTR_BYTES_IN_HASH),
len(obj), ''.join(('\\x%02x' % b) for b in obj)))
elif is_int_type(obj):
if config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_NONE:
# TODO check if we can actually fit this long-int into a small-int