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Phase 7g: the compiler builds its IR with interpolation, not +

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Answering your readability point directly: the compiler's own string-building —
left uglier by the 7c `+` migration, e.g. `emit_bind(("load i32, ptr " + ip))` —
now reads as interpolation:

  emit_bind(("load i32, ptr " + ip))            -> emit_bind(`load i32, ptr {ip}`)
  emit_bind(("icmp eq i32 " + (kv + (", " + itoa(ak)))))
                                                -> emit_bind(`icmp eq i32 {kv}, {itoa(ak)}`)
  perr(("assign to unknown " + t.s))            -> perr(`assign to unknown {t.s}`)

164 concat chains across selfhost converted by a tool that flattens the `+` tree,
keeps call/index parens (only grouping parens are rewritten), and converts only
**brace-free** literals — LLVM IR structure strings full of `{`/`}` stay as `+`
rather than becoming awkward `{{`/`}}`. No new language surface; interpolation
already desugars to the same concat.

Reseeded (22565 lines); C-free fixpoint holds byte-for-byte (the strongest proof
the reconstruction is exact); goldens identical; 18/18.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-28 01:30:37 +03:00
parent 4faf91abdc
commit df6955e609
20 changed files with 566 additions and 566 deletions
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selfhost/emit_ui.ludic
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@ -97,7 +97,7 @@ fn emit_ui_build() -> void {
emit(" call void @fn_rt_ui_static_text(i32 "); emit(itoa(i)); emit(", ptr "); emit(sv.code); emit(")\n")
} else { if (k == "skin") or (k == "image") {
let sv = emit_expr(v)
let r = emit_bind(("call i32 @fn_rt_image_load(ptr " + (sv.code + ")")))
let r = emit_bind(`call i32 @fn_rt_image_load(ptr {sv.code})`)
if (k == "skin") { ll_ui_set(i, 20, r) } else { ll_ui_set(i, 19, r) }
} else { if (k == "align") {
if v.kind == E_ID {