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1 Commits (6340433fbe4461110fd37ced177fc0e34c3173b1)

Author	SHA1	Message	Date
Alessio Giacobbe	f39f985e16	fix(preprocessor): reject variadic promoted properties and callable property/constant types (#64) --skip-tests ... * fix(preprocessor): reject variadic promoted properties and callable property/constant types Two promotion/type gaps against Zend (probed on 8.4.13): - `__construct(public int ...$x)` was accepted and even registered the property before the variadic-position check ran. A variadic parameter collects its arguments into an array, so there is no single value to promote; Zend fatals with "Cannot declare variadic promoted property". The check now precedes the property registration. - `callable` is a calling-scope-dependent type, so Zend forbids it in property types (declared, promoted, interface hooked) and class constant types (class and interface), bare or as a nullable/union member: "Property A::$x cannot have type ?callable" / "Class constant A::X cannot have type callable". Intersection members are left to the compound-type validation, which rejects every non-class standard type there. `void`/`never` property and parameter types were already rejected by parseTypeDecl ("The type `void`/`never` is allowed only for return type") - verified, no change needed; union members are covered by the compound-type validation. * test(preprocessor): cover promotion and property/constant type rules * fix(preprocessor): reject callable inside intersection and DNF types typeDeclContainsCallable() deliberately skipped IntersectionType, so a DNF-nested callable such as `public (Traversable&callable)|stdClass $value;` sailed past the property checks and died in gen_stub on assert(!$type->isBuiltin); a bare `Traversable&callable` property compiled outright. Zend rejects callable while compiling the intersection type itself, with its own diagnostic ("Type callable cannot be part of an intersection type", probed on 8.4.13), in every declaration context and ahead of the property/constant-specific bans — `callable|(Traversable& callable)` reports the intersection conflict, not the property one. A dedicated assertTypeDeclIntersectionsHaveNoCallable() walk (nullable, union, intersection members) now runs before the existing typeDeclContainsCallable() checks in all contexts this branch guards: class properties, promoted properties (both via addClassProperty), typed class constants, and interface properties/constants. Tests cover the bare intersection member, DNF in first and second union member, the promoted and constant/interface variants, and a callable-free DNF property that must keep compiling. * fix(preprocessor): validate callable intersections on the common type-declaration path assertTypeDeclIntersectionsHaveNoCallable() was invoked only from the property and class/interface-constant paths, so the same invalid type in a function parameter or return declaration bypassed the check and reached the later generator path: function consume(Traversable&callable $value): void {} function produce(): Traversable&callable {} Zend rejects both while compiling the type itself ("Type callable cannot be part of an intersection type", probed on 8.4.13), in every declaration context. The walk now lives in parseTypeDecl(), the declaration funnel behind resolveTypeDecl() that parameters, returns, properties, promoted properties, class and interface constants, and interface hooked properties already flow through; the per-context calls are gone, and the diagnostic points at the offending intersection member. Closure and arrow-function signatures resolved no full type node anywhere, so doGenClosure() now routes them through the same funnel - except bare class names, which the native-object walk there already resolves (and, inside trait methods, rewrites) via parseTypeDecl(). The property and constant paths resolve the declaration before applying their own bare/nullable/union callable bans, so a type like `callable|(Traversable&callable)` keeps reporting the intersection conflict first, as Zend does. New negative tests: parameter and return intersections, callable in a DNF parameter member, and closure parameter and return intersections (each probed against Zend 8.4.13); positive tests keep bare `callable` parameters and callable-free DNF properties compiling.	1 month ago