574 lines
30 KiB
C
574 lines
30 KiB
C
#ifndef SRC_JS_NATIVE_API_H_
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#define SRC_JS_NATIVE_API_H_
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// This file needs to be compatible with C compilers.
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#include <stdbool.h> // NOLINT(modernize-deprecated-headers)
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#include <stddef.h> // NOLINT(modernize-deprecated-headers)
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// Use INT_MAX, this should only be consumed by the pre-processor anyway.
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#define NAPI_VERSION_EXPERIMENTAL 2147483647
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#ifndef NAPI_VERSION
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#ifdef NAPI_EXPERIMENTAL
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#define NAPI_VERSION NAPI_VERSION_EXPERIMENTAL
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#else
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// The baseline version for N-API.
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// The NAPI_VERSION controls which version will be used by default when
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// compilling a native addon. If the addon developer specifically wants to use
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// functions available in a new version of N-API that is not yet ported in all
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// LTS versions, they can set NAPI_VERSION knowing that they have specifically
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// depended on that version.
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#define NAPI_VERSION 8
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#endif
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#endif
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#include "js_native_api_types.h"
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// If you need __declspec(dllimport), either include <node_api.h> instead, or
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// define NAPI_EXTERN as __declspec(dllimport) on the compiler's command line.
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#ifndef NAPI_EXTERN
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#ifdef _WIN32
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#define NAPI_EXTERN __declspec(dllexport)
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#elif defined(__wasm32__)
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#define NAPI_EXTERN \
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__attribute__((visibility("default"))) \
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__attribute__((__import_module__("napi")))
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#else
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#define NAPI_EXTERN __attribute__((visibility("default")))
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#endif
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#endif
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#define NAPI_AUTO_LENGTH SIZE_MAX
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#ifdef __cplusplus
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#define EXTERN_C_START extern "C" {
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#define EXTERN_C_END }
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#else
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#define EXTERN_C_START
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#define EXTERN_C_END
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#endif
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EXTERN_C_START
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_get_last_error_info(napi_env env, const napi_extended_error_info** result);
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// Getters for defined singletons
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_undefined(napi_env env,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_null(napi_env env,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_global(napi_env env,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_boolean(napi_env env,
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bool value,
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napi_value* result);
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// Methods to create Primitive types/Objects
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_object(napi_env env,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_array(napi_env env,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_create_array_with_length(napi_env env, size_t length, napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_double(napi_env env,
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double value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_int32(napi_env env,
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int32_t value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_uint32(napi_env env,
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uint32_t value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_int64(napi_env env,
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int64_t value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_string_latin1(
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napi_env env, const char* str, size_t length, napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_string_utf8(napi_env env,
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const char* str,
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size_t length,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_string_utf16(napi_env env,
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const char16_t* str,
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size_t length,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_symbol(napi_env env,
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napi_value description,
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napi_value* result);
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#if NAPI_VERSION >= 9
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NAPI_EXTERN napi_status NAPI_CDECL
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node_api_symbol_for(napi_env env,
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const char* utf8description,
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size_t length,
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napi_value* result);
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#endif // NAPI_VERSION >= 9
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_function(napi_env env,
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const char* utf8name,
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size_t length,
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napi_callback cb,
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void* data,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_error(napi_env env,
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napi_value code,
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napi_value msg,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_type_error(napi_env env,
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napi_value code,
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napi_value msg,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_range_error(napi_env env,
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napi_value code,
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napi_value msg,
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napi_value* result);
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#if NAPI_VERSION >= 9
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NAPI_EXTERN napi_status NAPI_CDECL node_api_create_syntax_error(
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napi_env env, napi_value code, napi_value msg, napi_value* result);
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#endif // NAPI_VERSION >= 9
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// Methods to get the native napi_value from Primitive type
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NAPI_EXTERN napi_status NAPI_CDECL napi_typeof(napi_env env,
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napi_value value,
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napi_valuetype* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_double(napi_env env,
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napi_value value,
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double* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_int32(napi_env env,
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napi_value value,
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int32_t* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_uint32(napi_env env,
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napi_value value,
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uint32_t* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_int64(napi_env env,
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napi_value value,
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int64_t* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_bool(napi_env env,
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napi_value value,
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bool* result);
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// Copies LATIN-1 encoded bytes from a string into a buffer.
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_string_latin1(
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napi_env env, napi_value value, char* buf, size_t bufsize, size_t* result);
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// Copies UTF-8 encoded bytes from a string into a buffer.
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_string_utf8(
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napi_env env, napi_value value, char* buf, size_t bufsize, size_t* result);
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// Copies UTF-16 encoded bytes from a string into a buffer.
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_string_utf16(napi_env env,
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napi_value value,
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char16_t* buf,
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size_t bufsize,
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size_t* result);
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// Methods to coerce values
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// These APIs may execute user scripts
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NAPI_EXTERN napi_status NAPI_CDECL napi_coerce_to_bool(napi_env env,
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napi_value value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_coerce_to_number(napi_env env,
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napi_value value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_coerce_to_object(napi_env env,
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napi_value value,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_coerce_to_string(napi_env env,
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napi_value value,
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napi_value* result);
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// Methods to work with Objects
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_prototype(napi_env env,
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napi_value object,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_property_names(napi_env env,
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napi_value object,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_set_property(napi_env env,
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napi_value object,
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napi_value key,
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napi_value value);
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NAPI_EXTERN napi_status NAPI_CDECL napi_has_property(napi_env env,
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napi_value object,
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napi_value key,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_property(napi_env env,
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napi_value object,
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napi_value key,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_delete_property(napi_env env,
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napi_value object,
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napi_value key,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_has_own_property(napi_env env,
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napi_value object,
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napi_value key,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_set_named_property(napi_env env,
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napi_value object,
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const char* utf8name,
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napi_value value);
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NAPI_EXTERN napi_status NAPI_CDECL napi_has_named_property(napi_env env,
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napi_value object,
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const char* utf8name,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_named_property(napi_env env,
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napi_value object,
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const char* utf8name,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_set_element(napi_env env,
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napi_value object,
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uint32_t index,
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napi_value value);
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NAPI_EXTERN napi_status NAPI_CDECL napi_has_element(napi_env env,
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napi_value object,
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uint32_t index,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_element(napi_env env,
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napi_value object,
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uint32_t index,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_delete_element(napi_env env,
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napi_value object,
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uint32_t index,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_define_properties(napi_env env,
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napi_value object,
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size_t property_count,
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const napi_property_descriptor* properties);
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// Methods to work with Arrays
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NAPI_EXTERN napi_status NAPI_CDECL napi_is_array(napi_env env,
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napi_value value,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_array_length(napi_env env,
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napi_value value,
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uint32_t* result);
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// Methods to compare values
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NAPI_EXTERN napi_status NAPI_CDECL napi_strict_equals(napi_env env,
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napi_value lhs,
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napi_value rhs,
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bool* result);
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// Methods to work with Functions
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NAPI_EXTERN napi_status NAPI_CDECL napi_call_function(napi_env env,
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napi_value recv,
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napi_value func,
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size_t argc,
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const napi_value* argv,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_new_instance(napi_env env,
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napi_value constructor,
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size_t argc,
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const napi_value* argv,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_instanceof(napi_env env,
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napi_value object,
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napi_value constructor,
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bool* result);
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// Methods to work with napi_callbacks
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// Gets all callback info in a single call. (Ugly, but faster.)
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_cb_info(
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napi_env env, // [in] NAPI environment handle
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napi_callback_info cbinfo, // [in] Opaque callback-info handle
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size_t* argc, // [in-out] Specifies the size of the provided argv array
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// and receives the actual count of args.
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napi_value* argv, // [out] Array of values
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napi_value* this_arg, // [out] Receives the JS 'this' arg for the call
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void** data); // [out] Receives the data pointer for the callback.
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_new_target(
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napi_env env, napi_callback_info cbinfo, napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_define_class(napi_env env,
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const char* utf8name,
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size_t length,
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napi_callback constructor,
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void* data,
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size_t property_count,
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const napi_property_descriptor* properties,
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napi_value* result);
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// Methods to work with external data objects
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NAPI_EXTERN napi_status NAPI_CDECL napi_wrap(napi_env env,
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napi_value js_object,
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void* native_object,
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napi_finalize finalize_cb,
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void* finalize_hint,
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napi_ref* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_unwrap(napi_env env,
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napi_value js_object,
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void** result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_remove_wrap(napi_env env,
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napi_value js_object,
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void** result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_create_external(napi_env env,
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void* data,
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napi_finalize finalize_cb,
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void* finalize_hint,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_external(napi_env env,
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napi_value value,
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void** result);
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// Methods to control object lifespan
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// Set initial_refcount to 0 for a weak reference, >0 for a strong reference.
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_create_reference(napi_env env,
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napi_value value,
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uint32_t initial_refcount,
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napi_ref* result);
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// Deletes a reference. The referenced value is released, and may
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// be GC'd unless there are other references to it.
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NAPI_EXTERN napi_status NAPI_CDECL napi_delete_reference(napi_env env,
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napi_ref ref);
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// Increments the reference count, optionally returning the resulting count.
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// After this call the reference will be a strong reference because its
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// refcount is >0, and the referenced object is effectively "pinned".
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// Calling this when the refcount is 0 and the object is unavailable
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// results in an error.
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NAPI_EXTERN napi_status NAPI_CDECL napi_reference_ref(napi_env env,
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napi_ref ref,
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uint32_t* result);
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// Decrements the reference count, optionally returning the resulting count.
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// If the result is 0 the reference is now weak and the object may be GC'd
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// at any time if there are no other references. Calling this when the
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// refcount is already 0 results in an error.
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NAPI_EXTERN napi_status NAPI_CDECL napi_reference_unref(napi_env env,
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napi_ref ref,
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uint32_t* result);
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// Attempts to get a referenced value. If the reference is weak,
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// the value might no longer be available, in that case the call
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// is still successful but the result is NULL.
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_reference_value(napi_env env,
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napi_ref ref,
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napi_value* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_open_handle_scope(napi_env env, napi_handle_scope* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_close_handle_scope(napi_env env, napi_handle_scope scope);
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NAPI_EXTERN napi_status NAPI_CDECL napi_open_escapable_handle_scope(
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napi_env env, napi_escapable_handle_scope* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_close_escapable_handle_scope(
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napi_env env, napi_escapable_handle_scope scope);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_escape_handle(napi_env env,
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napi_escapable_handle_scope scope,
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napi_value escapee,
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napi_value* result);
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// Methods to support error handling
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NAPI_EXTERN napi_status NAPI_CDECL napi_throw(napi_env env, napi_value error);
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NAPI_EXTERN napi_status NAPI_CDECL napi_throw_error(napi_env env,
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const char* code,
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const char* msg);
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NAPI_EXTERN napi_status NAPI_CDECL napi_throw_type_error(napi_env env,
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const char* code,
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const char* msg);
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NAPI_EXTERN napi_status NAPI_CDECL napi_throw_range_error(napi_env env,
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const char* code,
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const char* msg);
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#if NAPI_VERSION >= 9
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NAPI_EXTERN napi_status NAPI_CDECL node_api_throw_syntax_error(napi_env env,
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const char* code,
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const char* msg);
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#endif // NAPI_VERSION >= 9
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NAPI_EXTERN napi_status NAPI_CDECL napi_is_error(napi_env env,
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napi_value value,
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bool* result);
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// Methods to support catching exceptions
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NAPI_EXTERN napi_status NAPI_CDECL napi_is_exception_pending(napi_env env,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_get_and_clear_last_exception(napi_env env, napi_value* result);
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// Methods to work with array buffers and typed arrays
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NAPI_EXTERN napi_status NAPI_CDECL napi_is_arraybuffer(napi_env env,
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napi_value value,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL napi_create_arraybuffer(napi_env env,
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size_t byte_length,
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void** data,
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napi_value* result);
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#ifndef NODE_API_NO_EXTERNAL_BUFFERS_ALLOWED
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_create_external_arraybuffer(napi_env env,
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void* external_data,
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size_t byte_length,
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napi_finalize finalize_cb,
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void* finalize_hint,
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napi_value* result);
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#endif // NODE_API_NO_EXTERNAL_BUFFERS_ALLOWED
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NAPI_EXTERN napi_status NAPI_CDECL napi_get_arraybuffer_info(
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napi_env env, napi_value arraybuffer, void** data, size_t* byte_length);
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NAPI_EXTERN napi_status NAPI_CDECL napi_is_typedarray(napi_env env,
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napi_value value,
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bool* result);
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NAPI_EXTERN napi_status NAPI_CDECL
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napi_create_typedarray(napi_env env,
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napi_typedarray_type type,
|
|
size_t length,
|
|
napi_value arraybuffer,
|
|
size_t byte_offset,
|
|
napi_value* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_get_typedarray_info(napi_env env,
|
|
napi_value typedarray,
|
|
napi_typedarray_type* type,
|
|
size_t* length,
|
|
void** data,
|
|
napi_value* arraybuffer,
|
|
size_t* byte_offset);
|
|
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_create_dataview(napi_env env,
|
|
size_t length,
|
|
napi_value arraybuffer,
|
|
size_t byte_offset,
|
|
napi_value* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_is_dataview(napi_env env,
|
|
napi_value value,
|
|
bool* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_get_dataview_info(napi_env env,
|
|
napi_value dataview,
|
|
size_t* bytelength,
|
|
void** data,
|
|
napi_value* arraybuffer,
|
|
size_t* byte_offset);
|
|
|
|
// version management
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_get_version(napi_env env,
|
|
uint32_t* result);
|
|
|
|
// Promises
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_create_promise(napi_env env,
|
|
napi_deferred* deferred,
|
|
napi_value* promise);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_resolve_deferred(napi_env env,
|
|
napi_deferred deferred,
|
|
napi_value resolution);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_reject_deferred(napi_env env,
|
|
napi_deferred deferred,
|
|
napi_value rejection);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_is_promise(napi_env env,
|
|
napi_value value,
|
|
bool* is_promise);
|
|
|
|
// Running a script
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_run_script(napi_env env,
|
|
napi_value script,
|
|
napi_value* result);
|
|
|
|
// Memory management
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_adjust_external_memory(
|
|
napi_env env, int64_t change_in_bytes, int64_t* adjusted_value);
|
|
|
|
#if NAPI_VERSION >= 5
|
|
|
|
// Dates
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_create_date(napi_env env,
|
|
double time,
|
|
napi_value* result);
|
|
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_is_date(napi_env env,
|
|
napi_value value,
|
|
bool* is_date);
|
|
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_get_date_value(napi_env env,
|
|
napi_value value,
|
|
double* result);
|
|
|
|
// Add finalizer for pointer
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_add_finalizer(napi_env env,
|
|
napi_value js_object,
|
|
void* finalize_data,
|
|
napi_finalize finalize_cb,
|
|
void* finalize_hint,
|
|
napi_ref* result);
|
|
|
|
#endif // NAPI_VERSION >= 5
|
|
|
|
#if NAPI_VERSION >= 6
|
|
|
|
// BigInt
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_create_bigint_int64(napi_env env,
|
|
int64_t value,
|
|
napi_value* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_create_bigint_uint64(napi_env env, uint64_t value, napi_value* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_create_bigint_words(napi_env env,
|
|
int sign_bit,
|
|
size_t word_count,
|
|
const uint64_t* words,
|
|
napi_value* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_bigint_int64(napi_env env,
|
|
napi_value value,
|
|
int64_t* result,
|
|
bool* lossless);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_get_value_bigint_uint64(
|
|
napi_env env, napi_value value, uint64_t* result, bool* lossless);
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_get_value_bigint_words(napi_env env,
|
|
napi_value value,
|
|
int* sign_bit,
|
|
size_t* word_count,
|
|
uint64_t* words);
|
|
|
|
// Object
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_get_all_property_names(napi_env env,
|
|
napi_value object,
|
|
napi_key_collection_mode key_mode,
|
|
napi_key_filter key_filter,
|
|
napi_key_conversion key_conversion,
|
|
napi_value* result);
|
|
|
|
// Instance data
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_set_instance_data(
|
|
napi_env env, void* data, napi_finalize finalize_cb, void* finalize_hint);
|
|
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_get_instance_data(napi_env env,
|
|
void** data);
|
|
#endif // NAPI_VERSION >= 6
|
|
|
|
#if NAPI_VERSION >= 7
|
|
// ArrayBuffer detaching
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_detach_arraybuffer(napi_env env, napi_value arraybuffer);
|
|
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_is_detached_arraybuffer(napi_env env, napi_value value, bool* result);
|
|
#endif // NAPI_VERSION >= 7
|
|
|
|
#if NAPI_VERSION >= 8
|
|
// Type tagging
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_type_tag_object(
|
|
napi_env env, napi_value value, const napi_type_tag* type_tag);
|
|
|
|
NAPI_EXTERN napi_status NAPI_CDECL
|
|
napi_check_object_type_tag(napi_env env,
|
|
napi_value value,
|
|
const napi_type_tag* type_tag,
|
|
bool* result);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_object_freeze(napi_env env,
|
|
napi_value object);
|
|
NAPI_EXTERN napi_status NAPI_CDECL napi_object_seal(napi_env env,
|
|
napi_value object);
|
|
#endif // NAPI_VERSION >= 8
|
|
|
|
EXTERN_C_END
|
|
|
|
#endif // SRC_JS_NATIVE_API_H_
|