Swift 5.9 macro declarations are dropped entirely (and #name calls are lost) #4551

Version

v8 @ 0.9.92 (86c57be)

Problem

Swift 5.9 macros never enter the graph. macro stringify(...) = #externalMacro(...) parses as a macro_declaration (freestanding or attached), which is in neither the Swift function_types nor class_types, so the whole declaration is dropped — the symbol is invisible. A freestanding call site #stringify(...) parses as a macro_invocation (not a call_expression), so its call edge is lost too.

Reproduce

from graphify.extract import extract_swift
# macro stringify<T>(_ v: T) -> (T, String) = #externalMacro(module: "M", type: "S")
# func use() { let x = #stringify(1 + 1) }

The stringify macro node is absent and use() -> stringify is not an edge.

Expected vs actual

• Expected: the macro declaration is a node; a freestanding #name(...) call resolves to it; calls inside the macro's arguments still resolve.
• Actual: declaration dropped; invocation unresolved.

Notes

macro_declaration has no name field — the name is a bare simple_identifier child (already covered by Swift's name_fallback_child_types). Attached-macro usage (@AddCompletion on a type) is an attribute, not a macro_invocation, and can stay unresolved (fail-closed).