> De : François Laupretre [mailto:[email protected]]
>
> If you agree, I propose this as a base to refine:
>
> - Extension exposes only PHP functions and constants (no OO),
> - Each PHP function argument must accept a scalar, an array, or both ('mixed'
> case).
> - one or more PHP function arguments can be optional
> - PHP function arguments can be passed by value or by reference.
Adding these rules :
- Constant values must be static (cannot be computed during MINIT).
- During MINIT and MSHUTDOWN, no activity excepts defining/undefining functions
and constants.
- No activity during RINIT/RSHUTDOWN.
And changing this one :
> - PHP functions return value type can be any scalar type or array.
To:
PHP functions return value must be a fixed type (cannot return different types
depending on context). Return value type can be null, bool, long, double,
string, or array.
The resulting ruleset :
- Extension exposes only PHP functions and constants (no OO),
- Each PHP function argument must accept a scalar, an array, or both ('mixed'
case).
- one or more PHP function arguments can be optional
- PHP function arguments can be passed by value or by reference.
- PHP functions return value must be a fixed type (cannot return different
types depending on context). Return value type can be null, bool, long, double,
string, or array.
- Constant value must be static (cannot be computed during MINIT).
I have pushed a first half-baked version of the extension generator I was
thinking about. Just for a look, don't try to run it. I started with json and
yaml support for metadata definition. We can easily add another supported
syntax if needed but these should be enough. Look at
https://github.com/flaupretre/php-ext-gen/tree/develop
François
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