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linedance-app/venv/lib/python3.12/site-packages/numba/misc/cffiimpl.py

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+"""
+Implementation of some CFFI functions
+"""
+
+
+from numba.core.imputils import Registry
+from numba.core import types
+from numba.np import arrayobj
+
+registry = Registry('cffiimpl')
+
+@registry.lower('ffi.from_buffer', types.Buffer)
+def from_buffer(context, builder, sig, args):
+    assert len(sig.args) == 1
+    assert len(args) == 1
+    [fromty] = sig.args
+    [val] = args
+    # Type inference should have prevented passing a buffer from an
+    # array to a pointer of the wrong type
+    assert fromty.dtype == sig.return_type.dtype
+    ary = arrayobj.make_array(fromty)(context, builder, val)
+    return ary.data