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Phase 4b: enum types name magic-int value spaces

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enum Name { A, B, C } declares named int constants; Enum.Variant is a
compile-time int (index by declaration order), usable in match patterns,
comparisons, setreg. New: parse_enum + dispatch, enum_ordinal resolver
(emit_core), Enum.Variant handling (emit_expr). Scoped to a naming layer over
int (no enum-typed variables), so register/save semantics are untouched.

combat.ludic battle menus dispatch on KnightAct/MageAct instead of 0..3;
chronorift golden byte-identical. Editor vocab (ludic_syntax.h, JetBrains,
TextMate, emacs) gained enum, dropped retired edge/export/pure decl keywords;
check-vocabulary + test-tools 28/0. when/if kept by choice; bitwise stays
functions. Reseeded, fixpoint holds, test.sh 14/14.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-27 16:29:02 +03:00
parent fd0b890acc
commit f87964c5f7
14 changed files with 3021 additions and 2672 deletions
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8
selfhost/emit_expr.ludic
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@ -152,7 +152,13 @@ fn emit_expr(e: Node) -> Val {
if is_ui_ident(e.s) { return val(itoa(ui_index_of(e.s)), "int") }
perr(sconcat("unknown identifier ", e.s))
}
if e.kind == E_MEMBER { let a = emit_member_addr(e); return emit_load_at(a, g_addr_ty) }
if e.kind == E_MEMBER {
if e.a.kind == E_ID { # `Enum.Variant` -> its ordinal, a compile-time int
let ord = enum_ordinal(e.a.s, e.s)
if ord >= 0 { return val(itoa(ord), "int") }
}
let a = emit_member_addr(e); return emit_load_at(a, g_addr_ty)
}
if e.kind == E_INDEX { let a = emit_index_addr(e); return emit_load_at(a, g_addr_ty) }
if e.kind == E_CALL { return emit_call(e) }
if e.kind == E_BIN { return emit_bin(e) }