node/src/node_errors.h at src-errors-fix-geterrorsource · tniessen/node · GitHub

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#ifndef SRC_NODE_ERRORS_H_

#define SRC_NODE_ERRORS_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "debug_utils-inl.h"

#include "env.h"

#include "v8.h"

// Use ostringstream to print exact-width integer types

// because the format specifiers are not available on AIX.

#include <sstream>

namespace node {

enum ErrorHandlingMode { CONTEXTIFY_ERROR, FATAL_ERROR, MODULE_ERROR };

void AppendExceptionLine(Environment* env,

v8::Local<v8::Value> er,

v8::Local<v8::Message> message,

enum ErrorHandlingMode mode);

[[noreturn]] void FatalError(const char* location, const char* message);

void OnFatalError(const char* location, const char* message);

// Helpers to construct errors similar to the ones provided by

// lib/internal/errors.js.

// Example: with `V(ERR_INVALID_ARG_TYPE, TypeError)`, there will be

// `node::ERR_INVALID_ARG_TYPE(isolate, "message")` returning

// a `Local<Value>` containing the TypeError with proper code and message

#define ERRORS_WITH_CODE(V) \

V(ERR_BUFFER_CONTEXT_NOT_AVAILABLE, Error) \

V(ERR_BUFFER_OUT_OF_BOUNDS, RangeError) \

V(ERR_BUFFER_TOO_LARGE, Error) \

V(ERR_CLOSED_MESSAGE_PORT, Error) \

V(ERR_CONSTRUCT_CALL_REQUIRED, TypeError) \

V(ERR_CONSTRUCT_CALL_INVALID, TypeError) \

V(ERR_CRYPTO_INITIALIZATION_FAILED, Error) \

V(ERR_CRYPTO_INVALID_AUTH_TAG, TypeError) \

V(ERR_CRYPTO_INVALID_COUNTER, TypeError) \

V(ERR_CRYPTO_INVALID_CURVE, TypeError) \

V(ERR_CRYPTO_INVALID_DIGEST, TypeError) \

V(ERR_CRYPTO_INVALID_IV, TypeError) \

V(ERR_CRYPTO_INVALID_JWK, TypeError) \

V(ERR_CRYPTO_INVALID_KEYLEN, RangeError) \

V(ERR_CRYPTO_INVALID_KEYPAIR, RangeError) \

V(ERR_CRYPTO_INVALID_KEYTYPE, RangeError) \

V(ERR_CRYPTO_INVALID_MESSAGELEN, RangeError) \

V(ERR_CRYPTO_INVALID_SCRYPT_PARAMS, RangeError) \

V(ERR_CRYPTO_INVALID_STATE, Error) \

V(ERR_CRYPTO_INVALID_TAG_LENGTH, RangeError) \

V(ERR_CRYPTO_JWK_UNSUPPORTED_CURVE, Error) \

V(ERR_CRYPTO_JWK_UNSUPPORTED_KEY_TYPE, Error) \

V(ERR_CRYPTO_OPERATION_FAILED, Error) \

V(ERR_CRYPTO_TIMING_SAFE_EQUAL_LENGTH, RangeError) \

V(ERR_CRYPTO_UNKNOWN_CIPHER, Error) \

V(ERR_CRYPTO_UNKNOWN_DH_GROUP, Error) \

V(ERR_CRYPTO_UNSUPPORTED_OPERATION, Error) \

V(ERR_CRYPTO_JOB_INIT_FAILED, Error) \

V(ERR_DLOPEN_DISABLED, Error) \

V(ERR_DLOPEN_FAILED, Error) \

V(ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE, Error) \

V(ERR_INVALID_ADDRESS, Error) \

V(ERR_INVALID_ARG_VALUE, TypeError) \

V(ERR_OSSL_EVP_INVALID_DIGEST, Error) \

V(ERR_INVALID_ARG_TYPE, TypeError) \

V(ERR_INVALID_OBJECT_DEFINE_PROPERTY, TypeError) \

V(ERR_INVALID_MODULE, Error) \

V(ERR_INVALID_THIS, TypeError) \

V(ERR_INVALID_TRANSFER_OBJECT, TypeError) \

V(ERR_MEMORY_ALLOCATION_FAILED, Error) \

V(ERR_MESSAGE_TARGET_CONTEXT_UNAVAILABLE, Error) \

V(ERR_MISSING_ARGS, TypeError) \

V(ERR_MISSING_TRANSFERABLE_IN_TRANSFER_LIST, TypeError) \

V(ERR_MISSING_PASSPHRASE, TypeError) \

V(ERR_MISSING_PLATFORM_FOR_WORKER, Error) \

V(ERR_NON_CONTEXT_AWARE_DISABLED, Error) \

V(ERR_OUT_OF_RANGE, RangeError) \

V(ERR_SCRIPT_EXECUTION_INTERRUPTED, Error) \

V(ERR_SCRIPT_EXECUTION_TIMEOUT, Error) \

V(ERR_STRING_TOO_LONG, Error) \

V(ERR_TLS_INVALID_PROTOCOL_METHOD, TypeError) \

V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, Error) \

V(ERR_VM_MODULE_CACHED_DATA_REJECTED, Error) \

V(ERR_VM_MODULE_LINK_FAILURE, Error) \

V(ERR_WASI_NOT_STARTED, Error) \

V(ERR_WORKER_INIT_FAILED, Error) \

V(ERR_PROTO_ACCESS, Error)

#define V(code, type) \

template <typename... Args> \

inline v8::Local<v8::Value> code( \

v8::Isolate* isolate, const char* format, Args&&... args) { \

std::string message = SPrintF(format, std::forward<Args>(args)...); \

v8::Local<v8::String> js_code = OneByteString(isolate, #code); \

v8::Local<v8::String> js_msg = \

OneByteString(isolate, message.c_str(), message.length()); \

v8::Local<v8::Object> e = v8::Exception::type(js_msg) \

->ToObject(isolate->GetCurrentContext()) \

.ToLocalChecked(); \

e->Set(isolate->GetCurrentContext(), \

OneByteString(isolate, "code"), \

js_code) \

.Check(); \

return e; \

} \

template <typename... Args> \

inline void THROW_##code( \

v8::Isolate* isolate, const char* format, Args&&... args) { \

isolate->ThrowException( \

code(isolate, format, std::forward<Args>(args)...)); \

} \

template <typename... Args> \

inline void THROW_##code( \

Environment* env, const char* format, Args&&... args) { \

THROW_##code(env->isolate(), format, std::forward<Args>(args)...); \

}

ERRORS_WITH_CODE(V)

#undef V

// Errors with predefined static messages

#define PREDEFINED_ERROR_MESSAGES(V) \

V(ERR_BUFFER_CONTEXT_NOT_AVAILABLE, \

"Buffer is not available for the current Context") \

V(ERR_CLOSED_MESSAGE_PORT, "Cannot send data on closed MessagePort") \

V(ERR_CONSTRUCT_CALL_INVALID, "Constructor cannot be called") \

V(ERR_CONSTRUCT_CALL_REQUIRED, "Cannot call constructor without `new`") \

V(ERR_CRYPTO_INITIALIZATION_FAILED, "Initialization failed") \

V(ERR_CRYPTO_INVALID_AUTH_TAG, "Invalid authentication tag") \

V(ERR_CRYPTO_INVALID_COUNTER, "Invalid counter") \

V(ERR_CRYPTO_INVALID_CURVE, "Invalid EC curve name") \

V(ERR_CRYPTO_INVALID_DIGEST, "Invalid digest") \

V(ERR_CRYPTO_INVALID_IV, "Invalid initialization vector") \

V(ERR_CRYPTO_INVALID_JWK, "Invalid JWK format") \

V(ERR_CRYPTO_INVALID_KEYLEN, "Invalid key length") \

V(ERR_CRYPTO_INVALID_KEYPAIR, "Invalid key pair") \

V(ERR_CRYPTO_INVALID_KEYTYPE, "Invalid key type") \

V(ERR_CRYPTO_INVALID_MESSAGELEN, "Invalid message length") \

V(ERR_CRYPTO_INVALID_SCRYPT_PARAMS, "Invalid scrypt params") \

V(ERR_CRYPTO_INVALID_STATE, "Invalid state") \

V(ERR_CRYPTO_INVALID_TAG_LENGTH, "Invalid taglength") \

V(ERR_CRYPTO_JWK_UNSUPPORTED_KEY_TYPE, "Unsupported JWK Key Type.") \

V(ERR_CRYPTO_OPERATION_FAILED, "Operation failed") \

V(ERR_CRYPTO_TIMING_SAFE_EQUAL_LENGTH, \

"Input buffers must have the same byte length") \

V(ERR_CRYPTO_UNKNOWN_CIPHER, "Unknown cipher") \

V(ERR_CRYPTO_UNKNOWN_DH_GROUP, "Unknown DH group") \

V(ERR_CRYPTO_UNSUPPORTED_OPERATION, "Unsupported crypto operation") \

V(ERR_CRYPTO_JOB_INIT_FAILED, "Failed to initialize crypto job config") \

V(ERR_DLOPEN_FAILED, "DLOpen failed") \

V(ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE, \

"Context not associated with Node.js environment") \

V(ERR_INVALID_ADDRESS, "Invalid socket address") \

V(ERR_INVALID_MODULE, "No such module") \

V(ERR_INVALID_THIS, "Value of \"this\" is the wrong type") \

V(ERR_INVALID_TRANSFER_OBJECT, "Found invalid object in transferList") \

V(ERR_MEMORY_ALLOCATION_FAILED, "Failed to allocate memory") \

V(ERR_OSSL_EVP_INVALID_DIGEST, "Invalid digest used") \

V(ERR_MESSAGE_TARGET_CONTEXT_UNAVAILABLE, \

"A message object could not be deserialized successfully in the target " \

"vm.Context") \

V(ERR_MISSING_TRANSFERABLE_IN_TRANSFER_LIST, \

"Object that needs transfer was found in message but not listed " \

"in transferList") \

V(ERR_MISSING_PLATFORM_FOR_WORKER, \

"The V8 platform used by this instance of Node does not support " \

"creating Workers") \

V(ERR_NON_CONTEXT_AWARE_DISABLED, \

"Loading non context-aware native modules has been disabled") \

V(ERR_SCRIPT_EXECUTION_INTERRUPTED, \

"Script execution was interrupted by `SIGINT`") \

V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, "Failed to set PSK identity hint") \

V(ERR_WASI_NOT_STARTED, "wasi.start() has not been called") \

V(ERR_WORKER_INIT_FAILED, "Worker initialization failure") \

V(ERR_PROTO_ACCESS, \

"Accessing Object.prototype.__proto__ has been " \

"disallowed with --disable-proto=throw")

#define V(code, message) \

inline v8::Local<v8::Value> code(v8::Isolate* isolate) { \

return code(isolate, message); \

} \

inline void THROW_ ## code(v8::Isolate* isolate) { \

isolate->ThrowException(code(isolate, message)); \

} \

inline void THROW_ ## code(Environment* env) { \

THROW_ ## code(env->isolate()); \

}

PREDEFINED_ERROR_MESSAGES(V)

#undef V

// Errors with predefined non-static messages

inline void THROW_ERR_SCRIPT_EXECUTION_TIMEOUT(Environment* env,

int64_t timeout) {

std::ostringstream message;

message << "Script execution timed out after ";

message << timeout << "ms";

THROW_ERR_SCRIPT_EXECUTION_TIMEOUT(env, message.str().c_str());

}

inline v8::Local<v8::Value> ERR_BUFFER_TOO_LARGE(v8::Isolate* isolate) {

char message[128];

snprintf(message, sizeof(message),

"Cannot create a Buffer larger than 0x%zx bytes",

v8::TypedArray::kMaxLength);

return ERR_BUFFER_TOO_LARGE(isolate, message);

}

inline v8::Local<v8::Value> ERR_STRING_TOO_LONG(v8::Isolate* isolate) {

char message[128];

snprintf(message, sizeof(message),

"Cannot create a string longer than 0x%x characters",

v8::String::kMaxLength);

return ERR_STRING_TOO_LONG(isolate, message);

}

#define THROW_AND_RETURN_IF_NOT_BUFFER(env, val, prefix) \

do { \

if (!Buffer::HasInstance(val)) \

return node::THROW_ERR_INVALID_ARG_TYPE(env, \

prefix " must be a buffer"); \

} while (0)

#define THROW_AND_RETURN_IF_NOT_STRING(env, val, prefix) \

do { \

if (!val->IsString()) \

return node::THROW_ERR_INVALID_ARG_TYPE(env, \

prefix " must be a string"); \

} while (0)

namespace errors {

class TryCatchScope : public v8::TryCatch {

public:

enum class CatchMode { kNormal, kFatal };

explicit TryCatchScope(Environment* env, CatchMode mode = CatchMode::kNormal)

: v8::TryCatch(env->isolate()), env_(env), mode_(mode) {}

~TryCatchScope();

// Since the dtor is not virtual we need to make sure no one creates

// object of it in the free store that might be held by polymorphic pointers.

void* operator new(std::size_t count) = delete;

void* operator new[](std::size_t count) = delete;

TryCatchScope(TryCatchScope&) = delete;

TryCatchScope(TryCatchScope&&) = delete;

TryCatchScope operator=(TryCatchScope&) = delete;

TryCatchScope operator=(TryCatchScope&&) = delete;

private:

Environment* env_;

CatchMode mode_;

};

// Trigger the global uncaught exception handler `process._fatalException`

// in JS land (which emits the 'uncaughtException' event). If that returns

// true, continue program execution, otherwise exit the process.

void TriggerUncaughtException(v8::Isolate* isolate,

const v8::TryCatch& try_catch);

void TriggerUncaughtException(v8::Isolate* isolate,

v8::Local<v8::Value> error,

v8::Local<v8::Message> message,

bool from_promise = false);

const char* errno_string(int errorno);

void PerIsolateMessageListener(v8::Local<v8::Message> message,

v8::Local<v8::Value> error);

void DecorateErrorStack(Environment* env,

const errors::TryCatchScope& try_catch);

} // namespace errors

v8::ModifyCodeGenerationFromStringsResult ModifyCodeGenerationFromStrings(

v8::Local<v8::Context> context,

v8::Local<v8::Value> source,

bool is_code_like);

} // namespace node

#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif // SRC_NODE_ERRORS_H_

node/src/node_errors.h at src-errors-fix-geterrorsource · tniessen/node · GitHub

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