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https://github.com/zebrajr/node.git
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cbc3dd997e
This commit adds a rule to cpplint to check that pointers in the code base lean to the left and not right, and also fixes the violations reported. PR-URL: https://github.com/nodejs/node/pull/21010 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: James M Snell <jasnell@gmail.com>
134 lines
6.8 KiB
C++
134 lines
6.8 KiB
C++
#ifndef SRC_NODE_ERRORS_H_
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#define SRC_NODE_ERRORS_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "node.h"
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#include "util-inl.h"
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#include "env-inl.h"
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#include "v8.h"
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// Use ostringstream to print exact-width integer types
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// because the format specifiers are not available on AIX.
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#include <sstream>
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namespace node {
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// Helpers to construct errors similar to the ones provided by
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// lib/internal/errors.js.
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// Example: with `V(ERR_INVALID_ARG_TYPE, TypeError)`, there will be
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// `node::ERR_INVALID_ARG_TYPE(isolate, "message")` returning
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// a `Local<Value>` containing the TypeError with proper code and message
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#define ERRORS_WITH_CODE(V) \
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V(ERR_BUFFER_OUT_OF_BOUNDS, RangeError) \
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V(ERR_BUFFER_TOO_LARGE, Error) \
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V(ERR_CANNOT_TRANSFER_OBJECT, TypeError) \
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V(ERR_CLOSED_MESSAGE_PORT, Error) \
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V(ERR_CONSTRUCT_CALL_REQUIRED, Error) \
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V(ERR_INDEX_OUT_OF_RANGE, RangeError) \
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V(ERR_INVALID_ARG_VALUE, TypeError) \
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V(ERR_INVALID_ARG_TYPE, TypeError) \
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V(ERR_INVALID_TRANSFER_OBJECT, TypeError) \
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V(ERR_MEMORY_ALLOCATION_FAILED, Error) \
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V(ERR_MISSING_ARGS, TypeError) \
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V(ERR_MISSING_MESSAGE_PORT_IN_TRANSFER_LIST, TypeError) \
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V(ERR_MISSING_MODULE, Error) \
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V(ERR_MISSING_PLATFORM_FOR_WORKER, Error) \
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V(ERR_SCRIPT_EXECUTION_INTERRUPTED, Error) \
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V(ERR_SCRIPT_EXECUTION_TIMEOUT, Error) \
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V(ERR_STRING_TOO_LONG, Error) \
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V(ERR_TRANSFERRING_EXTERNALIZED_SHAREDARRAYBUFFER, TypeError) \
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#define V(code, type) \
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inline v8::Local<v8::Value> code(v8::Isolate* isolate, \
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const char* message) { \
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v8::Local<v8::String> js_code = OneByteString(isolate, #code); \
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v8::Local<v8::String> js_msg = OneByteString(isolate, message); \
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v8::Local<v8::Object> e = \
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v8::Exception::type(js_msg)->ToObject( \
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isolate->GetCurrentContext()).ToLocalChecked(); \
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e->Set(isolate->GetCurrentContext(), OneByteString(isolate, "code"), \
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js_code).FromJust(); \
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return e; \
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} \
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inline void THROW_ ## code(Environment* env, const char* message) { \
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env->isolate()->ThrowException(code(env->isolate(), message)); \
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}
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ERRORS_WITH_CODE(V)
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#undef V
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// Errors with predefined static messages
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#define PREDEFINED_ERROR_MESSAGES(V) \
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V(ERR_CANNOT_TRANSFER_OBJECT, "Cannot transfer object of unsupported type")\
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V(ERR_CLOSED_MESSAGE_PORT, "Cannot send data on closed MessagePort") \
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V(ERR_CONSTRUCT_CALL_REQUIRED, "Cannot call constructor without `new`") \
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V(ERR_INDEX_OUT_OF_RANGE, "Index out of range") \
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V(ERR_INVALID_TRANSFER_OBJECT, "Found invalid object in transferList") \
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V(ERR_MEMORY_ALLOCATION_FAILED, "Failed to allocate memory") \
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V(ERR_MISSING_MESSAGE_PORT_IN_TRANSFER_LIST, \
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"MessagePort was found in message but not listed in transferList") \
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V(ERR_MISSING_PLATFORM_FOR_WORKER, \
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"The V8 platform used by this instance of Node does not support " \
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"creating Workers") \
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V(ERR_SCRIPT_EXECUTION_INTERRUPTED, \
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"Script execution was interrupted by `SIGINT`") \
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V(ERR_TRANSFERRING_EXTERNALIZED_SHAREDARRAYBUFFER, \
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"Cannot serialize externalized SharedArrayBuffer") \
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#define V(code, message) \
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inline v8::Local<v8::Value> code(v8::Isolate* isolate) { \
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return code(isolate, message); \
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} \
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inline void THROW_ ## code(Environment* env) { \
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env->isolate()->ThrowException(code(env->isolate(), message)); \
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}
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PREDEFINED_ERROR_MESSAGES(V)
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#undef V
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// Errors with predefined non-static messages
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inline void THROW_ERR_SCRIPT_EXECUTION_TIMEOUT(Environment* env,
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int64_t timeout) {
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std::ostringstream message;
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message << "Script execution timed out after ";
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message << timeout << "ms";
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THROW_ERR_SCRIPT_EXECUTION_TIMEOUT(env, message.str().c_str());
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}
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inline v8::Local<v8::Value> ERR_BUFFER_TOO_LARGE(v8::Isolate* isolate) {
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char message[128];
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snprintf(message, sizeof(message),
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"Cannot create a Buffer larger than 0x%lx bytes",
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v8::TypedArray::kMaxLength);
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return ERR_BUFFER_TOO_LARGE(isolate, message);
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}
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inline v8::Local<v8::Value> ERR_STRING_TOO_LONG(v8::Isolate* isolate) {
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char message[128];
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snprintf(message, sizeof(message),
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"Cannot create a string longer than 0x%x characters",
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v8::String::kMaxLength);
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return ERR_STRING_TOO_LONG(isolate, message);
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}
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#define THROW_AND_RETURN_IF_NOT_BUFFER(env, val, prefix) \
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do { \
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if (!Buffer::HasInstance(val)) \
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return node::THROW_ERR_INVALID_ARG_TYPE(env, \
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prefix " must be a buffer"); \
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} while (0)
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#define THROW_AND_RETURN_IF_NOT_STRING(env, val, prefix) \
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do { \
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if (!val->IsString()) \
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return node::THROW_ERR_INVALID_ARG_TYPE(env, \
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prefix " must be a string"); \
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} while (0)
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_ERRORS_H_
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