[embind] Add pointer policies for val's call, operator(), and new_. #24832
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…w_`. After emscripten-core#24175, pointer policies were required in more places, but there was no way to pass the policy into val's `call`, `operator()`, and `new_` methods and use pointers. All of these methods take variadic template arguments already which made passing separate variadic policy arguments challenging. I used some C++14/17 tricks to separate the regular arguments and policy arguments.
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reviewer: The first commit is just moving policy code into wire.h, so it's probably easier to look at the second commit on its own. |
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After #24175, pointer policies were required in more places, but there
was no way to pass the policy into val's
call,operator(), andnew_methods and use pointers.
All of these methods take variadic template arguments already
which made passing separate variadic policy arguments challenging. I used
some C++14/17 tricks to separate the regular arguments and policy
arguments.
Fixes #24398