Add missing support for pointers #11
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added 3 commits
April 28, 2017 11:21
To make the tests pass, I also: - Added a missing space in the code generation. - Added depext on capnp. - Added core_extended to the test dependencies.
Before, the only ways to create a struct were as a root, or as a child with a type declared in the schema. For AnyPointer types, we need to be able to add any struct to a message. This commit adds two new auto-generated operations to structs: - `Child.init_pointer ptr` allocates a fresh `Child` struct, storing a pointer to it in `ptr`, and returns its builder. - `Child.of_pointer ptr` returns a reader for the `Child` struct pointed to by `ptr`. Also, it is sometimes necessary to set an AnyPointer to an interface rather than to a struct. For this, there are two new generated operations on pointers: `field_set_interface` and `field_get_interface`.
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Before, the only ways to create a struct were as a root, or as a child with a type declared in the schema. For AnyPointer types, we need to be able to add any struct to a message.
This commit adds two new auto-generated operations to structs:
Child.init_pointer ptrallocates a freshChildstruct, storing a pointer to it inptr, and returns its builder.Child.of_pointer ptrreturns a reader for theChildstruct pointed to byptr.Also, it is sometimes necessary to set an AnyPointer to an interface rather than to a struct. For this, there are two new generated operations on pointers:
field_set_interfaceandfield_get_interface.