[breaking] add argument and return value type-hints #187
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brettmc
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Mar 27, 2025
brettmc
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- add types::ArgumentTypeHint and types::ReturnTypeHint
- create interfaces before classes, so that classes can implement interfaces provided by module
- [breaking] ReturnType accepts a ReturnTypeHint instead of a TypeInfo, change argument name from type_info to type_hint
- add API to allow args and return types to be nullable: Argument.allow_null()
- add API to allow arguments to have a default value: Argument.with_default_value(CString)
- tests + documentation updates
registering interfaces before classes allows classes to implement interfaces
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| // leak Interface so that ClassEntry can be retrieved later, during module | ||
| // startup | ||
| let i_foo_copy: &'static Interface = Box::leak(Box::new(i_foo)); |
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I am not happy with this, it's ugly. I wonder whether the whole late-loading-via-functions issue could be removed if we just accepted a String for interface name, and looked it up from globals when needed?
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Actually, you can find the interface through this method: https://docs.rs/phper/latest/phper/classes/struct.ClassEntry.html#method.from_globals
I think we can modify the prototype of implements, something like:
fn implements(&mut self, interface: Interface) Then we can think about how to design it better later.
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Created an issue to address this in a separate PR
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I will tackle the <= 8.1 build failures tomorrow. |
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Thank you for your contribution. |
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| /// Argument is optional (also see by_<ref|val>_optional) | ||
| pub fn optional(mut self) -> Self { |
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I think since this is a Breaking Change, we could remove by_ref_optional and by_val_optional and add by_ref() and by_val setters. So something like Argument::new('name').by_ref().optional(), with pass_by_ref:false being the default ?
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Do you want to make this change in this PR?
use the Builder pattern to create an Argument or ReturnType, using methods to change the defaults. A default is to be required, pass-by-val, not-nullable
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