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/*
* libfud
* Copyright 2024 Dominick Allen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fud_assert.hpp"
#include "fud_drain.hpp"
#include "fud_format.hpp"
#include "fud_string_view.hpp"
#include <cstdio>
#include <exception>
namespace fud {
struct StdErrSink {
DrainResult drain(StringView source);
};
DrainResult StdErrSink::drain(StringView source)
{
DrainResult result{0, FudStatus::Success};
if (source.m_data == nullptr) {
result.status = FudStatus::NullPointer;
return result;
}
if (source.m_length == 0) {
result.status = FudStatus::Success;
return result;
}
/* TODO: give users control over this functionality */
result.bytesDrained = fwrite(reinterpret_cast<const char*>(source.m_data), 1, source.m_length, stderr);
if (result.bytesDrained != source.m_length) {
result.status = FudStatus::Full;
}
return result;
}
namespace impl {
void assertFailMessage(const char* assertion, const std::source_location sourceLocation)
{
StdErrSink sink;
const char* fileName = sourceLocation.file_name();
if (fileName == nullptr) {
fileName = "Unknown file";
}
const char* functionName = sourceLocation.function_name();
if (functionName == nullptr) {
functionName = "Unknown Function";
}
static_cast<void>(format(
sink,
FormatCharMode::Unchecked,
u8"{}:{}:{}: {}\n",
fileName,
functionName,
sourceLocation.line(),
assertion));
}
} // namespace impl
[[noreturn]] void assertFail(const char* assertion, const std::source_location sourceLocation)
{
impl::assertFailMessage(assertion, sourceLocation);
std::terminate();
}
} // namespace fud
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