mirror of
https://github.com/oven-sh/bun
synced 2026-02-10 10:58:56 +00:00
54 lines
2.5 KiB
C
54 lines
2.5 KiB
C
#include <js_native_api.h>
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#include <node_api.h>
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#include <stdio.h>
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#define NODE_API_CALL(env, call) \
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do { \
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napi_status status = (call); \
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if (status != napi_ok) { \
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const napi_extended_error_info *error_info = NULL; \
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napi_get_last_error_info((env), &error_info); \
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const char *err_message = error_info->error_message; \
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bool is_pending; \
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napi_is_exception_pending((env), &is_pending); \
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/* If an exception is already pending, don't rethrow it */ \
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if (!is_pending) { \
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const char *message = \
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(err_message == NULL) ? "empty error message" : err_message; \
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napi_throw_error((env), NULL, message); \
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} \
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return NULL; \
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} \
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} while (0)
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static napi_value try_unwrap(napi_env env, napi_callback_info info) {
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size_t argc = 1;
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napi_value argv[1];
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NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, argv, NULL, NULL));
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if (argc != 1) {
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napi_throw_error(env, NULL, "Wrong number of arguments to try_unwrap");
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return NULL;
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}
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double *pointer;
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if (napi_unwrap(env, argv[0], (void **)(&pointer)) != napi_ok) {
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napi_value undefined;
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NODE_API_CALL(env, napi_get_undefined(env, &undefined));
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return undefined;
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} else {
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napi_value number;
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NODE_API_CALL(env, napi_create_double(env, *pointer, &number));
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return number;
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}
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}
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/* napi_value */ NAPI_MODULE_INIT(/* napi_env env, napi_value exports */) {
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napi_value try_unwrap_function;
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NODE_API_CALL(env,
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napi_create_function(env, "try_unwrap", NAPI_AUTO_LENGTH,
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try_unwrap, NULL, &try_unwrap_function));
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NODE_API_CALL(env, napi_set_named_property(env, exports, "try_unwrap",
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try_unwrap_function));
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return exports;
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}
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