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#define NAPI_EXPERIMENTAL
#include <inttypes.h>
#include <stdio.h>
#include <js_native_api.h>
#include "../common.h"
static napi_value IsLossless(napi_env env, napi_callback_info info) {
size_t argc = 2;
napi_value args[2];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
bool is_signed;
NAPI_CALL(env, napi_get_value_bool(env, args[1], &is_signed));
bool lossless;
if (is_signed) {
int64_t input;
NAPI_CALL(env, napi_get_value_bigint_int64(env, args[0], &input, &lossless));
} else {
uint64_t input;
NAPI_CALL(env, napi_get_value_bigint_uint64(env, args[0], &input, &lossless));
}
napi_value output;
NAPI_CALL(env, napi_get_boolean(env, lossless, &output));
return output;
}
static napi_value TestInt64(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_bigint,
"Wrong type of arguments. Expects a bigint as first argument.");
int64_t input;
bool lossless;
NAPI_CALL(env, napi_get_value_bigint_int64(env, args[0], &input, &lossless));
napi_value output;
NAPI_CALL(env, napi_create_bigint_int64(env, input, &output));
return output;
}
static napi_value TestUint64(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_bigint,
"Wrong type of arguments. Expects a bigint as first argument.");
uint64_t input;
bool lossless;
NAPI_CALL(env, napi_get_value_bigint_uint64(
env, args[0], &input, &lossless));
napi_value output;
NAPI_CALL(env, napi_create_bigint_uint64(env, input, &output));
return output;
}
static napi_value TestWords(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_bigint,
"Wrong type of arguments. Expects a bigint as first argument.");
size_t expected_word_count;
NAPI_CALL(env, napi_get_value_bigint_words(
env, args[0], NULL, &expected_word_count, NULL));
int sign_bit;
size_t word_count = 10;
uint64_t words[10];
NAPI_CALL(env, napi_get_value_bigint_words(
env, args[0], &sign_bit, &word_count, words));
NAPI_ASSERT(env, word_count == expected_word_count,
"word counts do not match");
napi_value output;
NAPI_CALL(env, napi_create_bigint_words(
env, sign_bit, word_count, words, &output));
return output;
}
// throws RangeError
static napi_value CreateTooBigBigInt(napi_env env, napi_callback_info info) {
int sign_bit = 0;
size_t word_count = SIZE_MAX;
uint64_t words[10];
napi_value output;
NAPI_CALL(env, napi_create_bigint_words(
env, sign_bit, word_count, words, &output));
return output;
}
EXTERN_C_START
napi_value Init(napi_env env, napi_value exports) {
napi_property_descriptor descriptors[] = {
DECLARE_NAPI_PROPERTY("IsLossless", IsLossless),
DECLARE_NAPI_PROPERTY("TestInt64", TestInt64),
DECLARE_NAPI_PROPERTY("TestUint64", TestUint64),
DECLARE_NAPI_PROPERTY("TestWords", TestWords),
DECLARE_NAPI_PROPERTY("CreateTooBigBigInt", CreateTooBigBigInt),
};
NAPI_CALL(env, napi_define_properties(
env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors));
return exports;
}
EXTERN_C_END
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