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Phase 7c: string operators + and ==/!= (retire streq/sconcat)

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Strings are values now: `a + b` concatenates and `a == b` / `a != b` compare by
content, replacing the 605 `sconcat(...)` / `streq(...)` calls that made the
compiler read like C.

  streq(name, "let")            -> name == "let"
  sconcat("load ", reg)         -> "load " + reg
  sconcat(a, sconcat(b, c))     -> a + b + c

Implementation: emit_bin gains a string path. Strings are pointer-typed, so any
`+` with a pointer operand concatenates and `==`/`!=` between pointers compares
content — except when one side is the `null` literal, which stays a pointer
identity test (the only two kinds of pointer `==` in the codebase). Both call a
small hand-written IR prelude, @fn_str_eq / @fn_str_concat, emitted once into any
program that uses string ops (so it works for tools, games and the compiler with
no runtime-splice dependency and no duplicate symbols).

Delivered as two reseeds: (A) add the operators + prelude with the full
pointer-aware dispatch, keeping streq/sconcat; (B) migrate every call site
(354 lines, via a string-literal-safe balanced-paren script that leaves the
function definitions alone) and delete streq/sconcat. examples/strings.ludic +
a test.sh smoke (prints 1 2 3 4 5) guard it.

Reseeded (21890 lines); C-free fixpoint holds; goldens byte-identical; 18/18;
vocab + doc-fences clean.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-28 01:05:36 +03:00
parent 56024f2cba
commit a021362cdb
25 changed files with 3553 additions and 3248 deletions
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5
test.sh
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@ -66,6 +66,11 @@ if ./selfhost/game-build.sh build/ludicc examples/toggle.ludic "/tmp/ludic_tog"
&& [ "$(/tmp/ludic_tog </dev/null | tr '\n' ' ')" = "6 0 7 1 0 " ]; then
ok "toggle.ludic (enable/disable + @OnDisable/@OnEnable across property/model)"
else bad "toggle: $(tail -1 /tmp/tog.out)"; fi
# String operators: ==/!= compare by content, + concatenates (str_* prelude).
if ./selfhost/game-build.sh build/ludicc examples/strings.ludic "/tmp/ludic_str" >/tmp/str.out 2>&1 \
&& [ "$(/tmp/ludic_str </dev/null | tr '\n' ' ')" = "1 2 3 4 5 " ]; then
ok "strings.ludic (str ==/!=/+ operators)"
else bad "strings: $(tail -1 /tmp/str.out)"; fi
# --- Toolchain-agent CLI smoke tests append below this line ---
echo "== self-hosted front-end binaries (ludicc / ludic) =="
# The two commands are one multi-call native binary built from the seed with