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ffi 2.7 green: parser accepts all seven type-introducer directive forms

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Six new lexer tokens (`hash_jni_interface`, `hash_objc_class`,
`hash_objc_protocol`, `hash_swift_class`, `hash_swift_struct`,
`hash_swift_protocol`) join the existing `hash_jni_class`. All seven
share the body grammar from Phases 2.1–2.6.

AST refactored: `JniClassDecl` → `ForeignClassDecl` with a
`runtime: ForeignRuntime` enum discriminator; `JniMethodDecl` →
`ForeignMethodDecl` (with `jni_descriptor_override` renamed for
clarity since it's JNI-only); `JniFieldDecl` → `ForeignFieldDecl`;
`JniClassMember` → `ForeignClassMember`. AST variant renamed
`jni_class_decl` → `foreign_class_decl`.

`parseForeignClassDecl` takes the runtime as a parameter; the
`parseConstBinding` dispatch table now maps each of the seven
directive tokens to its `ForeignRuntime` variant via
`foreignRuntimeForCurrent`. No codegen yet — Phase 3 picks up Obj-C
runtime, Phase 4 picks up Swift. Runtime-specific body items (fields,
descriptor override) are validated at sema time in later steps.

126/126 examples green.
This commit is contained in:
agra
2026-05-20 10:15:10 +03:00
parent dc3821aeb0
commit 5fd8e0fbbe
8 changed files with 73 additions and 29 deletions
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10
src/token.zig
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@@ -116,8 +116,14 @@ pub const Tag = enum {
hash_jni_call, // #jni_call(T)(env, target, "name", "(Sig)R", args...)
hash_jni_static_call, // #jni_static_call(T)(class, "name", "(Sig)R", args...)
hash_jni_class, // Foo :: #jni_class("java/path/Foo") { ...body... }
hash_extends, // `#extends Alias;` inside a #jni_class / #objc_class body
hash_implements, // `#implements Alias;` inside a #jni_class / #objc_class body
hash_jni_interface, // Foo :: #jni_interface("java/path/IFoo") { ...body... }
hash_objc_class, // Foo :: #objc_class("ObjcName") { ...body... }
hash_objc_protocol, // Foo :: #objc_protocol("ObjcProto") { ...body... }
hash_swift_class, // Foo :: #swift_class("Module.Type") { ...body... }
hash_swift_struct, // Foo :: #swift_struct("Module.Type") { ...body... }
hash_swift_protocol, // Foo :: #swift_protocol("Module.Proto") { ...body... }
hash_extends, // `#extends Alias;` inside a foreign-class body
hash_implements, // `#implements Alias;` inside a foreign-class body
hash_jni_method_descriptor, // `#jni_method_descriptor("(Sig)Ret")` per-method JNI descriptor override
triple_minus, // ---