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comptime VM: Phase 3 — field-level reflection readers

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Three more read-only compiler-API readers on the TypeId-handle shape, each backed
by a new TypeTable query that both the legacy handler and the VM call (no drift):

  type_nominal_name(t: TypeId) -> StringId     (nominalName; loud-bail for unnamed types)
  type_field_name(t: TypeId, idx: i64) -> StringId   (memberName)
  type_field_type(t: TypeId, idx: i64) -> TypeId     (memberType)

All loud-bail on out-of-range idx / no-member — no silent default. First multi-arg
compiler fns (callCompilerFn now reads arg 1 = idx); added Vm.argHandle/argTypeId
range-checked arg readers and moved find_type/type_field_count onto them. Names use
the type_* family to avoid colliding with the std metatype builtins (field_name /
type_name in core.sx); the new TypeTable.nominalName is distinct from the existing
typeName(id) display-string renderer.

Example 0629 reflects Pair { lo: Point; hi: Point } — each field name + the nominal
name of a field's type, #run-folded, VM-HANDLED natively. VM unit test added.

Parity 690/690 (gate OFF and -Dcomptime-flat).
This commit is contained in:
agra
2026-06-18 09:34:36 +03:00
parent a9302a8b50
commit d23e208430
10 changed files with 316 additions and 33 deletions
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examples/expected/0629-comptime-compiler-field-reflect.exit Normal file
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Pair has 2 fields
field 0 = lo : Point
field 1 = hi : Point