set.c

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/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2025 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */


case OP_SET: {
 Value v = pop_value(vm);
 Value idx = pop_value(vm);
 Value arr = pop_value(vm);
 if (arr.type != VAL_ARRAY || idx.type != VAL_INT) {
 fprintf(stderr, "Runtime type error: ARR_SET expects (array, int, value)\n");
 exit(1);
 }
 if (!array_set(&arr, (int)idx.i, v)) {
 fprintf(stderr, "Runtime error: set index out of range\n");
 exit(1);
 }
 free_value(arr);
 free_value(idx);
 /* v already owned by array; push copy for return value */
 push_value(vm, copy_value(&v));
 free_value(v);
 break;
}