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Phase 2: enforce statement separators (Rule B)

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The parser now requires a newline or ';' between statements (block() in
selfhost/parse.ludic); two statements may no longer sit adjacent with only
spaces. Also fixed if-without-else swallowing its trailing separator.

Migration: tools/ludic-tools/migrate_separators.c inserts ';' at statement
boundaries corpus-wide (examples, runtime, 25 self-host fragments, ~1100
boundaries). Verified semantically identical — the migrated compiler compiles
itself to IR byte-identical to the pre-migration seed, and every golden game
renders identically. Reseeded to the strict compiler; C-free fixpoint holds;
test.sh 14/14.

Docs: Rule B documented in LANGUAGE.md; BOOTSTRAP.md R1 + stale fences updated;
check-docs green across all docs. Fixed a multi-line string literal in
emit_expr.ludic (byte-identical \n escape) that the C toolchain lexer mis-lexes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-27 15:41:29 +03:00
parent 985f9ad8f2
commit eac8f8f335
35 changed files with 3861 additions and 3588 deletions
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14
selfhost/emit_game.ludic
View file

@ -4,7 +4,7 @@
# called only when the runtime defines them.
fn emit_system_fn(sys: Node) -> void {
ll_t = 0 ll_lbl = 0 g_term = false loc_reset() nloop = 0 nself = 0
ll_t = 0; ll_lbl = 0; g_term = false; loc_reset(); nloop = 0; nself = 0
ret_ty = "void"
let fbody = buf_new()
falloc = buf_new()
@ -14,7 +14,7 @@ fn emit_system_fn(sys: Node) -> void {
if not g_term { emit(" br label %ret\n") }
emit("ret:\n ret void\n")
code = saved
emit("define void @sys_") emit(sys.s) emit("() {\nentry:\n")
emit("define void @sys_"); emit(sys.s); emit("() {\nentry:\n")
emit(buf_str(falloc))
emit(buf_str(fbody))
emit("}\n\n")
@ -24,7 +24,7 @@ fn emit_calls_for_phase(phase: ptr) -> void {
let i = 0
while i < len(prog) {
let d = prog[i]
if d.kind == N_SYS and streq(d.ty, phase) { emit(" call void @sys_") emit(d.s) emit("()\n") }
if d.kind == N_SYS and streq(d.ty, phase) { emit(" call void @sys_"); emit(d.s); emit("()\n") }
i = i + 1
}
}
@ -32,7 +32,7 @@ fn emit_calls_for_phase(phase: ptr) -> void {
fn emit_game_main() -> void {
# every system becomes a function first
let i = 0
while i < len(prog) { if prog[i].kind == N_SYS { emit_system_fn(prog[i]) } i = i + 1 }
while i < len(prog) { if prog[i].kind == N_SYS { emit_system_fn(prog[i]) }; i = i + 1 }
emit("define i32 @main(i32 %argc, ptr %argv) {\nentry:\n")
emit(" store i32 %argc, ptr @L_argc\n")
@ -47,14 +47,14 @@ fn emit_game_main() -> void {
let pr = emit_bind("call i32 @fn_rt_running()")
let pc = emit_bind(sconcat("icmp ne i32 ", sconcat(pr, ", 0")))
let go = emit_bind(sconcat("and i1 ", sconcat(rc, sconcat(", ", pc))))
emit(" br i1 ") emit(go) emit(", label %body, label %done\n")
emit(" br i1 "); emit(go); emit(", label %body, label %done\n")
} else {
emit(" br i1 ") emit(rc) emit(", label %body, label %done\n")
emit(" br i1 "); emit(rc); emit(", label %body, label %done\n")
}
emit("body:\n")
if not ptr_is_null(find_fn("rt_poll")) {
let k = emit_bind("call i32 @fn_rt_poll()")
emit(" store i32 ") emit(k) emit(", ptr @L_key\n")
emit(" store i32 "); emit(k); emit(", ptr @L_key\n")
}
emit_calls_for_phase("Input")
emit_calls_for_phase("FixedUpdate")