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// Copyright 2024 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#if TINT_BUILD_IS_WIN
#include <fcntl.h> // _O_BINARY
#include <io.h> // _setmode
#endif // TINT_BUILD_IS_WIN
#include <fstream>
#include <iostream>
#include "src/tint/lang/wgsl/ls/serve.h"
namespace {
class StdinStream : public langsvr::Reader {
public:
/// @copydoc langsvr::Reader
size_t Read(std::byte* out, size_t count) override { return fread(out, 1, count, stdin); }
};
class StdoutStream : public langsvr::Writer {
public:
/// @copydoc langsvr::Reader
langsvr::Result<langsvr::SuccessType> Write(const std::byte* in, size_t count) override {
fwrite(in, 1, count, stdout);
fflush(stdout);
return langsvr::Success;
}
};
} // namespace
int main() {
#if TINT_BUILD_IS_WIN
// Change stdin & stdout from text mode to binary mode.
// This ensures sequences of \r\n are not changed to \n.
_setmode(_fileno(stdin), _O_BINARY);
_setmode(_fileno(stdout), _O_BINARY);
#endif // TINT_BUILD_IS_WIN
StdoutStream stdout_stream;
StdinStream stdin_stream;
if (auto res = tint::wgsl::ls::Serve(stdin_stream, stdout_stream); res != tint::Success) {
std::cerr << res.Failure();
return 1;
}
return 0;
}