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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/base/error_codes.h"
#include "mongo/base/static_assert.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/str.h"
//#set $codes_with_extra = [ec for ec in $codes if ec.extra]
//#set $codes_with_non_optional_extra = [ec for ec in $codes if ec.extra and not ec.extraIsOptional]
namespace mongo {
namespace {
// You can think of this namespace as a compile-time map<ErrorCodes::Error, ErrorExtraInfoParser*>.
namespace parsers {
//#for $ec in $codes_with_extra
ErrorExtraInfo::Parser* $ec.name = nullptr;
//#end for
} // namespace parsers
} // namespace
MONGO_STATIC_ASSERT(sizeof(ErrorCodes::Error) == sizeof(int));
std::string ErrorCodes::errorString(Error err) {
switch (err) {
//#for $ec in $codes
case $ec.name:
return "$ec.name";
//#end for
default:
return str::stream() << "Location" << int(err);
}
}
ErrorCodes::Error ErrorCodes::fromString(StringData name) {
//#for $ec in $codes
if (name == "$ec.name"_sd)
return $ec.name;
//#end for
return UnknownError;
}
std::ostream& operator<<(std::ostream& stream, ErrorCodes::Error code) {
return stream << ErrorCodes::errorString(code);
}
//#for $cat in $categories
template <>
bool ErrorCodes::isA<ErrorCategory::$cat.name>(Error err) {
switch (err) {
//#for $code in $cat.codes
case $code:
return true;
//#end for
default:
return false;
}
}
//#end for
bool ErrorCodes::canHaveExtraInfo(Error code) {
switch (code) {
//#for $ec in $codes_with_extra
case ErrorCodes::$ec.name:
return true;
//#end for
default:
return false;
}
}
bool ErrorCodes::mustHaveExtraInfo(Error code) {
switch (code) {
//#for $ec in $codes_with_non_optional_extra
case ErrorCodes::$ec.name:
return true;
//#end for
default:
return false;
}
}
ErrorExtraInfo::Parser* ErrorExtraInfo::parserFor(ErrorCodes::Error code) {
switch (code) {
//#for $ec in $codes_with_extra
case ErrorCodes::$ec.name:
invariant(parsers::$ec.name);
return parsers::$ec.name;
//#end for
default:
return nullptr;
}
}
void ErrorExtraInfo::registerParser(ErrorCodes::Error code, Parser* parser) {
switch (code) {
//#for $ec in $codes_with_extra
case ErrorCodes::$ec.name:
invariant(!parsers::$ec.name);
parsers::$ec.name = parser;
break;
//#end for
default:
MONGO_UNREACHABLE;
}
}
void ErrorExtraInfo::invariantHaveAllParsers() {
//#for $ec in $codes_with_extra
invariant(parsers::$ec.name);
//#end for
}
void error_details::throwExceptionForStatus(const Status& status) {
/**
* This type is used for all exceptions that don't have a more specific type. It is defined
* locally in this function to prevent anyone from catching it specifically separately from
* AssertionException.
*/
class NonspecificAssertionException final : public AssertionException {
public:
using AssertionException::AssertionException;
private:
void defineOnlyInFinalSubclassToPreventSlicing() final {}
};
switch (status.code()) {
//#for $ec in $codes
case ErrorCodes::$ec.name:
throw ExceptionFor<ErrorCodes::$ec.name>(status);
//#end for
default:
throw NonspecificAssertionException(status);
}
}
} // namespace mongo
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