hello_args.c

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/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2026 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */


case OP_RUST_HELLO_ARGS: {
#ifdef FUN_WITH_RUST
 Value vmsg = pop_value(vm);
 char *msg = value_to_string_alloc(&vmsg);
 free_value(vmsg);
 if (msg) {
 fun_rust_print_string(msg);
 free(msg);
 } else {
 fun_rust_print_string("");
 }
 push_value(vm, make_nil());
#else
 /* Still pop and free the arg to keep stack sane */
 Value vmsg = pop_value(vm);
 free_value(vmsg);
 vm_raise_error(vm, "RUST_HELLO_ARGS requires FUN_WITH_RUST=ON at build time");
 push_value(vm, make_nil());
#endif
 break;
}