29 lines
641 B
Python
29 lines
641 B
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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# Copyright (C) 2020 Daniel Thompson
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def const(fn):
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return fn
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def native(fn):
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return fn
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def viper(fn):
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def ptr8(buf):
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return buf
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def ptr16(buf):
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return memoryview(buf).cast('b').cast('H')
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def ptr32(buf):
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return memoryview(buf).cast('b').cast('I')
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# This is a bit of a hack since the scopes don't exactly match where
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# they would be in micropython but for the simple cases it does mean
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# no changes to the client
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fn.__globals__['ptr8'] = ptr8
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fn.__globals__['ptr16'] = ptr16
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fn.__globals__['ptr32'] = ptr32
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return fn
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