In the process:
* Augment C++-generated Torque classes with SizeFor methods to
calculate size of instances.
* Add a new "@generateBodyDescriptor" annotation that causes Torque to
generate C++ BodyDescriptors code that can be used to visit objects
compatible with existing V8 mechanisms, e.g. GC
* Fully automate C++ macro machinery so that adding non-extern Torque
class doesn't require any C++ changes, including ensuring generation
of instance types and proper boilerplate for validators and
printers.
* Make handling of @export a true annotation, allowing the modifier to
be used on class declarations.
* Add functionality such that classes with the @export annotation are
available to be used from C++. Field accessors for exported classes
are public and factory methods are generated to create instances of
the objects from C++.
* Change the Torque compiler such that Non-exported classes implicitly
have the @generateBodyDescriptor annotation added and causes both
verifiers and printers to be generated.
* Switch non-extern Torque classes from using existing Struct-based
machinery to being first-class classes that support more existing
Torque class features.
Change-Id: Ic60e60c2c6bd7acd57f949bce086898ad14a3b03
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2007490
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66621}
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