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Added Rust support to the Fun core. (0.38.0)

This commit is contained in:
Johannes Findeisen 2026-01-27 04:26:54 +01:00
commit 149e135318
12 changed files with 299 additions and 1 deletions

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@ -46,6 +46,29 @@ int main() {
}
vm_clear_output(&vm);
/* --- Rust FFI demo: call a Rust opcode and string function --- */
#ifdef FUN_WITH_RUST
extern int fun_op_radd(VM *vm);
extern const char *fun_rust_get_string(void);
printf("=== Rust FFI demo ===\n");
const char *rs = fun_rust_get_string();
if (rs) {
printf("Rust says: %s\n", rs);
}
/* prepare stack: push 10 and 32, then call Rust add -> expect 42 */
vm_push_i64(&vm, 10);
vm_push_i64(&vm, 32);
int rc = fun_op_radd(&vm);
printf("fun_op_radd rc=%d\n", rc);
long long sum = (long long)vm_pop_i64(&vm);
printf("Rust op result: %lld\n", sum);
#else
printf("=== Rust FFI demo (disabled; build with -DFUN_WITH_RUST=ON) ===\n");
#endif
vm_free(&vm);
bytecode_free(bc);
return 0;