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/usr/include/nodejs/src/node_errors.h
$ cat -n /usr/include/nodejs/src/node_errors.h 1 #ifndef SRC_NODE_ERRORS_H_ 2 #define SRC_NODE_ERRORS_H_ 3 4 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS 5 6 #include "debug_utils-inl.h" 7 #include "env.h" 8 #include "v8.h" 9 10 // Use ostringstream to print exact-width integer types 11 // because the format specifiers are not available on AIX. 12 #include <sstream> 13 14 namespace node { 15 16 enum ErrorHandlingMode { CONTEXTIFY_ERROR, FATAL_ERROR, MODULE_ERROR }; 17 void AppendExceptionLine(Environment* env, 18 v8::Local<v8::Value> er, 19 v8::Local<v8::Message> message, 20 enum ErrorHandlingMode mode); 21 22 [[noreturn]] void FatalError(const char* location, const char* message); 23 [[noreturn]] void OnFatalError(const char* location, const char* message); 24 [[noreturn]] void OOMErrorHandler(const char* location, bool is_heap_oom); 25 26 // Helpers to construct errors similar to the ones provided by 27 // lib/internal/errors.js. 28 // Example: with `V(ERR_INVALID_ARG_TYPE, TypeError)`, there will be 29 // `node::ERR_INVALID_ARG_TYPE(isolate, "message")` returning 30 // a `Local<Value>` containing the TypeError with proper code and message 31 32 #define ERRORS_WITH_CODE(V) \ 33 V(ERR_BUFFER_CONTEXT_NOT_AVAILABLE, Error) \ 34 V(ERR_BUFFER_OUT_OF_BOUNDS, RangeError) \ 35 V(ERR_BUFFER_TOO_LARGE, Error) \ 36 V(ERR_CLOSED_MESSAGE_PORT, Error) \ 37 V(ERR_CONSTRUCT_CALL_REQUIRED, TypeError) \ 38 V(ERR_CONSTRUCT_CALL_INVALID, TypeError) \ 39 V(ERR_CRYPTO_INITIALIZATION_FAILED, Error) \ 40 V(ERR_CRYPTO_INVALID_AUTH_TAG, TypeError) \ 41 V(ERR_CRYPTO_INVALID_COUNTER, TypeError) \ 42 V(ERR_CRYPTO_INVALID_CURVE, TypeError) \ 43 V(ERR_CRYPTO_INVALID_DIGEST, TypeError) \ 44 V(ERR_CRYPTO_INVALID_IV, TypeError) \ 45 V(ERR_CRYPTO_INVALID_JWK, TypeError) \ 46 V(ERR_CRYPTO_INVALID_KEYLEN, RangeError) \ 47 V(ERR_CRYPTO_INVALID_KEYPAIR, RangeError) \ 48 V(ERR_CRYPTO_INVALID_KEYTYPE, RangeError) \ 49 V(ERR_CRYPTO_INVALID_MESSAGELEN, RangeError) \ 50 V(ERR_CRYPTO_INVALID_SCRYPT_PARAMS, RangeError) \ 51 V(ERR_CRYPTO_INVALID_STATE, Error) \ 52 V(ERR_CRYPTO_INVALID_TAG_LENGTH, RangeError) \ 53 V(ERR_CRYPTO_JWK_UNSUPPORTED_CURVE, Error) \ 54 V(ERR_CRYPTO_JWK_UNSUPPORTED_KEY_TYPE, Error) \ 55 V(ERR_CRYPTO_OPERATION_FAILED, Error) \ 56 V(ERR_CRYPTO_TIMING_SAFE_EQUAL_LENGTH, RangeError) \ 57 V(ERR_CRYPTO_UNKNOWN_CIPHER, Error) \ 58 V(ERR_CRYPTO_UNKNOWN_DH_GROUP, Error) \ 59 V(ERR_CRYPTO_UNSUPPORTED_OPERATION, Error) \ 60 V(ERR_CRYPTO_JOB_INIT_FAILED, Error) \ 61 V(ERR_DLOPEN_DISABLED, Error) \ 62 V(ERR_DLOPEN_FAILED, Error) \ 63 V(ERR_ENCODING_INVALID_ENCODED_DATA, TypeError) \ 64 V(ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE, Error) \ 65 V(ERR_ILLEGAL_CONSTRUCTOR, Error) \ 66 V(ERR_INVALID_ADDRESS, Error) \ 67 V(ERR_INVALID_ARG_VALUE, TypeError) \ 68 V(ERR_OSSL_EVP_INVALID_DIGEST, Error) \ 69 V(ERR_INVALID_ARG_TYPE, TypeError) \ 70 V(ERR_INVALID_OBJECT_DEFINE_PROPERTY, TypeError) \ 71 V(ERR_INVALID_MODULE, Error) \ 72 V(ERR_INVALID_STATE, Error) \ 73 V(ERR_INVALID_THIS, TypeError) \ 74 V(ERR_INVALID_TRANSFER_OBJECT, TypeError) \ 75 V(ERR_MEMORY_ALLOCATION_FAILED, Error) \ 76 V(ERR_MESSAGE_TARGET_CONTEXT_UNAVAILABLE, Error) \ 77 V(ERR_MISSING_ARGS, TypeError) \ 78 V(ERR_MISSING_TRANSFERABLE_IN_TRANSFER_LIST, TypeError) \ 79 V(ERR_MISSING_PASSPHRASE, TypeError) \ 80 V(ERR_MISSING_PLATFORM_FOR_WORKER, Error) \ 81 V(ERR_NON_CONTEXT_AWARE_DISABLED, Error) \ 82 V(ERR_OUT_OF_RANGE, RangeError) \ 83 V(ERR_SCRIPT_EXECUTION_INTERRUPTED, Error) \ 84 V(ERR_SCRIPT_EXECUTION_TIMEOUT, Error) \ 85 V(ERR_STRING_TOO_LONG, Error) \ 86 V(ERR_TLS_INVALID_PROTOCOL_METHOD, TypeError) \ 87 V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, Error) \ 88 V(ERR_VM_MODULE_CACHED_DATA_REJECTED, Error) \ 89 V(ERR_VM_MODULE_LINK_FAILURE, Error) \ 90 V(ERR_WASI_NOT_STARTED, Error) \ 91 V(ERR_WORKER_INIT_FAILED, Error) \ 92 V(ERR_PROTO_ACCESS, Error) 93 94 #define V(code, type) \ 95 template <typename... Args> \ 96 inline v8::Local<v8::Value> code( \ 97 v8::Isolate* isolate, const char* format, Args&&... args) { \ 98 std::string message = SPrintF(format, std::forward<Args>(args)...); \ 99 v8::Local<v8::String> js_code = OneByteString(isolate, #code); \ 100 v8::Local<v8::String> js_msg = \ 101 OneByteString(isolate, message.c_str(), message.length()); \ 102 v8::Local<v8::Object> e = v8::Exception::type(js_msg) \ 103 ->ToObject(isolate->GetCurrentContext()) \ 104 .ToLocalChecked(); \ 105 e->Set(isolate->GetCurrentContext(), \ 106 OneByteString(isolate, "code"), \ 107 js_code) \ 108 .Check(); \ 109 return e; \ 110 } \ 111 template <typename... Args> \ 112 inline void THROW_##code( \ 113 v8::Isolate* isolate, const char* format, Args&&... args) { \ 114 isolate->ThrowException( \ 115 code(isolate, format, std::forward<Args>(args)...)); \ 116 } \ 117 template <typename... Args> \ 118 inline void THROW_##code( \ 119 Environment* env, const char* format, Args&&... args) { \ 120 THROW_##code(env->isolate(), format, std::forward<Args>(args)...); \ 121 } 122 ERRORS_WITH_CODE(V) 123 #undef V 124 125 // Errors with predefined static messages 126 127 #define PREDEFINED_ERROR_MESSAGES(V) \ 128 V(ERR_BUFFER_CONTEXT_NOT_AVAILABLE, \ 129 "Buffer is not available for the current Context") \ 130 V(ERR_CLOSED_MESSAGE_PORT, "Cannot send data on closed MessagePort") \ 131 V(ERR_CONSTRUCT_CALL_INVALID, "Constructor cannot be called") \ 132 V(ERR_CONSTRUCT_CALL_REQUIRED, "Cannot call constructor without `new`") \ 133 V(ERR_CRYPTO_INITIALIZATION_FAILED, "Initialization failed") \ 134 V(ERR_CRYPTO_INVALID_AUTH_TAG, "Invalid authentication tag") \ 135 V(ERR_CRYPTO_INVALID_COUNTER, "Invalid counter") \ 136 V(ERR_CRYPTO_INVALID_CURVE, "Invalid EC curve name") \ 137 V(ERR_CRYPTO_INVALID_DIGEST, "Invalid digest") \ 138 V(ERR_CRYPTO_INVALID_IV, "Invalid initialization vector") \ 139 V(ERR_CRYPTO_INVALID_JWK, "Invalid JWK format") \ 140 V(ERR_CRYPTO_INVALID_KEYLEN, "Invalid key length") \ 141 V(ERR_CRYPTO_INVALID_KEYPAIR, "Invalid key pair") \ 142 V(ERR_CRYPTO_INVALID_KEYTYPE, "Invalid key type") \ 143 V(ERR_CRYPTO_INVALID_MESSAGELEN, "Invalid message length") \ 144 V(ERR_CRYPTO_INVALID_SCRYPT_PARAMS, "Invalid scrypt params") \ 145 V(ERR_CRYPTO_INVALID_STATE, "Invalid state") \ 146 V(ERR_CRYPTO_INVALID_TAG_LENGTH, "Invalid taglength") \ 147 V(ERR_CRYPTO_JWK_UNSUPPORTED_KEY_TYPE, "Unsupported JWK Key Type.") \ 148 V(ERR_CRYPTO_OPERATION_FAILED, "Operation failed") \ 149 V(ERR_CRYPTO_TIMING_SAFE_EQUAL_LENGTH, \ 150 "Input buffers must have the same byte length") \ 151 V(ERR_CRYPTO_UNKNOWN_CIPHER, "Unknown cipher") \ 152 V(ERR_CRYPTO_UNKNOWN_DH_GROUP, "Unknown DH group") \ 153 V(ERR_CRYPTO_UNSUPPORTED_OPERATION, "Unsupported crypto operation") \ 154 V(ERR_CRYPTO_JOB_INIT_FAILED, "Failed to initialize crypto job config") \ 155 V(ERR_DLOPEN_FAILED, "DLOpen failed") \ 156 V(ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE, \ 157 "Context not associated with Node.js environment") \ 158 V(ERR_ILLEGAL_CONSTRUCTOR, "Illegal constructor") \ 159 V(ERR_INVALID_ADDRESS, "Invalid socket address") \ 160 V(ERR_INVALID_MODULE, "No such module") \ 161 V(ERR_INVALID_THIS, "Value of \"this\" is the wrong type") \ 162 V(ERR_INVALID_TRANSFER_OBJECT, "Found invalid object in transferList") \ 163 V(ERR_MEMORY_ALLOCATION_FAILED, "Failed to allocate memory") \ 164 V(ERR_OSSL_EVP_INVALID_DIGEST, "Invalid digest used") \ 165 V(ERR_MESSAGE_TARGET_CONTEXT_UNAVAILABLE, \ 166 "A message object could not be deserialized successfully in the target " \ 167 "vm.Context") \ 168 V(ERR_MISSING_TRANSFERABLE_IN_TRANSFER_LIST, \ 169 "Object that needs transfer was found in message but not listed " \ 170 "in transferList") \ 171 V(ERR_MISSING_PLATFORM_FOR_WORKER, \ 172 "The V8 platform used by this instance of Node does not support " \ 173 "creating Workers") \ 174 V(ERR_NON_CONTEXT_AWARE_DISABLED, \ 175 "Loading non context-aware native addons has been disabled") \ 176 V(ERR_SCRIPT_EXECUTION_INTERRUPTED, \ 177 "Script execution was interrupted by `SIGINT`") \ 178 V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, "Failed to set PSK identity hint") \ 179 V(ERR_WASI_NOT_STARTED, "wasi.start() has not been called") \ 180 V(ERR_WORKER_INIT_FAILED, "Worker initialization failure") \ 181 V(ERR_PROTO_ACCESS, \ 182 "Accessing Object.prototype.__proto__ has been " \ 183 "disallowed with --disable-proto=throw") 184 185 #define V(code, message) \ 186 inline v8::Local<v8::Value> code(v8::Isolate* isolate) { \ 187 return code(isolate, message); \ 188 } \ 189 inline void THROW_ ## code(v8::Isolate* isolate) { \ 190 isolate->ThrowException(code(isolate, message)); \ 191 } \ 192 inline void THROW_ ## code(Environment* env) { \ 193 THROW_ ## code(env->isolate()); \ 194 } 195 PREDEFINED_ERROR_MESSAGES(V) 196 #undef V 197 198 // Errors with predefined non-static messages 199 inline void THROW_ERR_SCRIPT_EXECUTION_TIMEOUT(Environment* env, 200 int64_t timeout) { 201 std::ostringstream message; 202 message << "Script execution timed out after "; 203 message << timeout << "ms"; 204 THROW_ERR_SCRIPT_EXECUTION_TIMEOUT(env, message.str().c_str()); 205 } 206 207 inline v8::Local<v8::Value> ERR_BUFFER_TOO_LARGE(v8::Isolate* isolate) { 208 char message[128]; 209 snprintf(message, sizeof(message), 210 "Cannot create a Buffer larger than 0x%zx bytes", 211 v8::TypedArray::kMaxLength); 212 return ERR_BUFFER_TOO_LARGE(isolate, message); 213 } 214 215 inline v8::Local<v8::Value> ERR_STRING_TOO_LONG(v8::Isolate* isolate) { 216 char message[128]; 217 snprintf(message, sizeof(message), 218 "Cannot create a string longer than 0x%x characters", 219 v8::String::kMaxLength); 220 return ERR_STRING_TOO_LONG(isolate, message); 221 } 222 223 #define THROW_AND_RETURN_IF_NOT_BUFFER(env, val, prefix) \ 224 do { \ 225 if (!Buffer::HasInstance(val)) \ 226 return node::THROW_ERR_INVALID_ARG_TYPE(env, \ 227 prefix " must be a buffer"); \ 228 } while (0) 229 230 #define THROW_AND_RETURN_IF_NOT_STRING(env, val, prefix) \ 231 do { \ 232 if (!val->IsString()) \ 233 return node::THROW_ERR_INVALID_ARG_TYPE(env, \ 234 prefix " must be a string"); \ 235 } while (0) 236 237 namespace errors { 238 239 class TryCatchScope : public v8::TryCatch { 240 public: 241 enum class CatchMode { kNormal, kFatal }; 242 243 explicit TryCatchScope(Environment* env, CatchMode mode = CatchMode::kNormal) 244 : v8::TryCatch(env->isolate()), env_(env), mode_(mode) {} 245 ~TryCatchScope(); 246 247 // Since the dtor is not virtual we need to make sure no one creates 248 // object of it in the free store that might be held by polymorphic pointers. 249 void* operator new(std::size_t count) = delete; 250 void* operator new[](std::size_t count) = delete; 251 TryCatchScope(TryCatchScope&) = delete; 252 TryCatchScope(TryCatchScope&&) = delete; 253 TryCatchScope operator=(TryCatchScope&) = delete; 254 TryCatchScope operator=(TryCatchScope&&) = delete; 255 256 private: 257 Environment* env_; 258 CatchMode mode_; 259 }; 260 261 // Trigger the global uncaught exception handler `process._fatalException` 262 // in JS land (which emits the 'uncaughtException' event). If that returns 263 // true, continue program execution, otherwise exit the process. 264 void TriggerUncaughtException(v8::Isolate* isolate, 265 const v8::TryCatch& try_catch); 266 void TriggerUncaughtException(v8::Isolate* isolate, 267 v8::Local<v8::Value> error, 268 v8::Local<v8::Message> message, 269 bool from_promise = false); 270 271 const char* errno_string(int errorno); 272 void PerIsolateMessageListener(v8::Local<v8::Message> message, 273 v8::Local<v8::Value> error); 274 275 void DecorateErrorStack(Environment* env, 276 const errors::TryCatchScope& try_catch); 277 } // namespace errors 278 279 v8::ModifyCodeGenerationFromStringsResult ModifyCodeGenerationFromStrings( 280 v8::Local<v8::Context> context, 281 v8::Local<v8::Value> source, 282 bool is_code_like); 283 284 } // namespace node 285 286 #endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS 287 288 #endif // SRC_NODE_ERRORS_H_
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