Author: Armin Rigo <ar...@tunes.org>
Branch: cffi-1.0
Changeset: r77001:1a6ff2029062
Date: 2015-05-03 11:19 +0200
http://bitbucket.org/pypy/pypy/changeset/1a6ff2029062/
Log: ffi.cast()
diff --git a/pypy/module/_cffi_backend/ffi_obj.py
b/pypy/module/_cffi_backend/ffi_obj.py
--- a/pypy/module/_cffi_backend/ffi_obj.py
+++ b/pypy/module/_cffi_backend/ffi_obj.py
@@ -154,6 +154,16 @@
_cffi_backend.callback(ctype, python_callable, error))""")
+ def descr_cast(self, w_arg, w_ob):
+ """\
+Similar to a C cast: returns an instance of the named C
+type initialized with the given 'source'. The source is
+casted between integers or pointers of any type."""
+ #
+ w_ctype = self.ffi_type(w_arg, ACCEPT_STRING | ACCEPT_CTYPE)
+ return w_ctype.cast(w_ob)
+
+
@unwrap_spec(w_arg=W_CData)
def descr_from_handle(self, w_arg):
"""\
@@ -295,6 +305,7 @@
addressof = interp2app(W_FFIObject.descr_addressof),
alignof = interp2app(W_FFIObject.descr_alignof),
callback = interp2app(W_FFIObject.descr_callback),
+ cast = interp2app(W_FFIObject.descr_cast),
from_handle = interp2app(W_FFIObject.descr_from_handle),
getctype = interp2app(W_FFIObject.descr_getctype),
new = interp2app(W_FFIObject.descr_new),
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