118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/*
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2025 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*
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* Added: 2025-12-11 (2025-12-11 migrated from src/vm.c)
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*/
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/* json-c helpers and VM opcode cases (included from vm.c) */
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#ifdef FUN_WITH_JSON
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#include "value.h"
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#include "vm.h"
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#include <json-c/json.h>
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#include <string.h>
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/* --- Conversion helpers between json-c and Fun Value --- */
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static Value json_to_fun(json_object *j) {
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if (!j) return make_nil();
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enum json_type t = json_object_get_type(j);
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switch (t) {
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case json_type_null:
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return make_nil();
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case json_type_boolean:
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return make_bool(json_object_get_boolean(j));
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case json_type_double:
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return make_float(json_object_get_double(j));
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case json_type_int:
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return make_int((int64_t)json_object_get_int64(j));
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case json_type_string:
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return make_string(json_object_get_string(j));
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case json_type_array: {
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size_t n = json_object_array_length(j);
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if (n == 0) {
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return make_array_from_values(NULL, 0);
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}
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Value *vals = (Value *)malloc(sizeof(Value) * n);
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if (!vals) return make_array_from_values(NULL, 0);
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for (size_t i = 0; i < n; ++i) {
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json_object *item = json_object_array_get_idx(j, (int)i);
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vals[i] = json_to_fun(item);
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}
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Value arr = make_array_from_values(vals, (int)n);
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for (size_t i = 0; i < n; ++i)
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free_value(vals[i]);
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free(vals);
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return arr;
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}
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case json_type_object: {
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Value map = make_map_empty();
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json_object_object_foreach(j, key, val) {
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(void)map_set(&map, key, json_to_fun(val));
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}
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return map;
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}
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default:
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return make_nil();
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}
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}
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static json_object *fun_to_json(const Value *v) {
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switch (v->type) {
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case VAL_NIL:
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return json_object_new_null();
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case VAL_BOOL:
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return json_object_new_boolean(v->i ? 1 : 0);
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case VAL_INT:
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return json_object_new_int64(v->i);
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case VAL_FLOAT:
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return json_object_new_double(v->d);
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case VAL_STRING:
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return json_object_new_string(v->s ? v->s : "");
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case VAL_ARRAY: {
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json_object *arr = json_object_new_array();
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int n = array_length(v);
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for (int i = 0; i < n; ++i) {
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Value item;
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if (array_get_copy(v, i, &item)) {
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json_object_array_add(arr, fun_to_json(&item));
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free_value(item);
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} else {
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json_object_array_add(arr, json_object_new_null());
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}
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}
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return arr;
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}
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case VAL_MAP: {
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json_object *obj = json_object_new_object();
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/* We don't have an iterator API; use keys() helper */
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Value keys = map_keys_array(v);
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int kn = array_length(&keys);
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for (int i = 0; i < kn; ++i) {
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Value k;
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if (!array_get_copy(&keys, i, &k)) continue;
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if (k.type == VAL_STRING && k.s) {
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Value val;
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if (map_get_copy(v, k.s, &val)) {
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json_object_object_add(obj, k.s, fun_to_json(&val));
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free_value(val);
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} else {
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json_object_object_add(obj, k.s, json_object_new_null());
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}
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}
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free_value(k);
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}
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free_value(keys);
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return obj;
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}
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default:
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/* Fallback: stringify unsupported types */
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return json_object_new_string("<unsupported>");
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}
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}
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#endif
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