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sx/examples/ffi-jni/1402-ffi-jni-call-03-methodid-sharing.sx
agra 66bdc70bf1 test: group examples into per-category folders
Move examples/*.sx and their expected/ snapshots into per-category
subfolders (examples/<category>/...). Folder = leading filename token,
with ffi-objc/ffi-jni kept whole; filenames are unchanged. The corpus
runner and LSP sweep now discover each category's expected/ dir, while
issues/ stays flat. Example 1058's repo-root-relative companion import
is made file-relative. Path strings embedded in 164 snapshots were
regenerated (path-only changes). Test-layout docs in CLAUDE.md updated.
2026-06-21 14:41:34 +03:00

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// Phase 1 step 1.16 (PLAN-FFI.md): two `#jni_call` sites against the
// same (class, method, sig) tuple. Today each site emits its own
// `GetObjectClass` + `GetMethodID` call (no caching yet); after 1.17
// the lowering collapses to one cached `jmethodID` per unique
// (class, method, sig).
//
// Runtime: unreachable. The JNI dispatch is all indirect through
// `*env` — no external symbol declarations — so the IR loads cleanly
// into the host JIT, and the dereferences never execute because the
// guarding `g_should_call` global stays false. A plain `if false`
// would get constant-folded, taking the `unused_jni` body out of the
// IR with it; the runtime-readable global keeps the call alive so
// the JNI lowering is visible to the IR snapshot.
#import "modules/std.sx";
g_should_call : bool = false;
unused_jni :: (env: *void, target: *void) {
#jni_env(env) {
#jni_call(void)(target, "noop", "()V");
#jni_call(void)(target, "noop", "()V");
}
}
main :: () -> i32 {
if g_should_call {
unused_jni(null, null);
}
print("ok\n");
0
}