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owned fields (25.5e): @owns(Kind) on a record's field, and owned_leaks

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A field marked @owns(PhysShape) holds a handle its record owns. A function that releases one owned
field of a record (body_free(w, s.body)) and neither releases nor hands on another owned field of
the same record type (s.shape) gives the first back and loses the second - the phys_remove bug, at
compile time. ludic deps --resources (or --owned) lists them; owned_leaks is a number --check
ratchets. A test: the function that frees a solid's body alone is the one found; the one that frees
both is not.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 17:01:28 +03:00
parent a0c6f8ce7f
commit b87ee96805
6 changed files with 74859 additions and 72140 deletions
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6
selfhost/frontend/parse_game.ludic
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@ -15,6 +15,11 @@ function parse_component() -> Node {
pi += 1
let ann = eat_id()
if ann == "Computed" { is_computed = true } else if ann == "Sync" { is_sync = true } else if ann == "frame" { is_frame = true }
else if ann == "owns" { # @owns(PhysShape) — this field holds a handle its record owns (25.5e)
eat_op("(")
g_own_pending = eat_id()
eat_op(")")
}
else if ann == "max" {
eat_op("(")
let ce = expr()
@ -27,6 +32,7 @@ function parse_component() -> Node {
let f = node(N_FIELD); f.s = eat_id(); eat_op(":"); f.ty = ptype()
if is_frame { push(g_frame_fields, `{n.s}.{f.s}`) }
if cap > 0 { push(g_cap_keys, `{n.s}.{f.s}`); push(g_cap_vals, cap) }
if g_own_pending != null { push(g_own_type, n.s); push(g_own_field, f.s); push(g_own_kind, g_own_pending); g_own_pending = null }
if is_op("=") { pi += 1; f.a = expr() }
if is_sync { f.ival = 1 } # mark the field replicable (read by emit_net)
if is_computed { register_computed(n.s, f.s, f.ty, f.a) } # derived: no storage