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#ifndef SRC_NODE_ERRORS_H_
#define SRC_NODE_ERRORS_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "node.h"
#include "util-inl.h"
#include "env-inl.h"
#include "v8.h"
namespace node {
// 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_MEMORY_ALLOCATION_FAILED, Error) \
V(ERR_STRING_TOO_LONG, Error) \
V(ERR_BUFFER_TOO_LARGE, Error)
#define V(code, type) \
inline v8::Local<v8::Value> code(v8::Isolate* isolate, \
const char* message) { \
v8::Local<v8::String> js_code = OneByteString(isolate, #code); \
v8::Local<v8::String> js_msg = OneByteString(isolate, message); \
v8::Local<v8::Object> e = \
v8::Exception::type(js_msg)->ToObject( \
isolate->GetCurrentContext()).ToLocalChecked(); \
e->Set(isolate->GetCurrentContext(), OneByteString(isolate, "code"), \
js_code).FromJust(); \
return e; \
}
ERRORS_WITH_CODE(V)
#undef V
// Errors with predefined static messages
#define PREDEFINED_ERROR_MESSAGES(V) \
V(ERR_MEMORY_ALLOCATION_FAILED, "Failed to allocate memory")
#define V(code, message) \
inline v8::Local<v8::Value> code(v8::Isolate* isolate) { \
return code(isolate, message); \
}
PREDEFINED_ERROR_MESSAGES(V)
#undef V
// Errors with predefined non-static messages
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%lx 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);
}
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_ERRORS_H_
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