1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
|
#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);
void OOMErrorHandler(const char* location, const v8::OOMDetails& details);
// 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_ACCESS_DENIED, Error) \
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_ENCODING_INVALID_ENCODED_DATA, TypeError) \
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_STATE, 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_ACCESS_DENIED, "Access to this API has been restricted") \
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_STATE, "Invalid state") \
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 addons 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_
|
