mirror of
https://github.com/oven-sh/bun
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47 lines
2.3 KiB
C
47 lines
2.3 KiB
C
#include <js_native_api.h>
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#include <node_api.h>
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#include <stdint.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 get_instance_data(napi_env env, napi_callback_info info) {
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void *data_ptr = NULL;
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NODE_API_CALL(env, napi_get_instance_data(env, &data_ptr));
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napi_value out;
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NODE_API_CALL(env, napi_create_int32(env, *(int32_t *)data_ptr, &out));
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return out;
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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 get_instance_data_function;
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NODE_API_CALL(env, napi_create_function(env, "get_instance_data",
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NAPI_AUTO_LENGTH, get_instance_data,
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NULL, &get_instance_data_function));
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NODE_API_CALL(env, napi_set_named_property(env, exports, "get_instance_data",
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get_instance_data_function));
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static int32_t instance_data = 42;
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NODE_API_CALL(env, napi_set_instance_data(env, &instance_data, NULL, NULL));
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return exports;
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}
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