circt/tools/circt-verilog-lsp-server/circt-verilog-lsp-server.cpp

102 lines
3.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements a utility to run CIRCT Verilog LSP server.
//
//===----------------------------------------------------------------------===//
#include "circt/Tools/circt-verilog-lsp-server/CirctVerilogLspServerMain.h"
#include "mlir/Tools/lsp-server-support/Logging.h"
#include "mlir/Tools/lsp-server-support/Transport.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/Program.h"
using namespace mlir;
using namespace mlir::lsp;
int main(int argc, char **argv) {
//===--------------------------------------------------------------------===//
// LSP options
//===--------------------------------------------------------------------===//
llvm::cl::opt<Logger::Level> logLevel{
"log",
llvm::cl::desc("Verbosity of log messages written to stderr"),
llvm::cl::values(
clEnumValN(Logger::Level::Error, "error", "Error messages only"),
clEnumValN(Logger::Level::Info, "info",
"High level execution tracing"),
clEnumValN(Logger::Level::Debug, "verbose", "Low level details")),
llvm::cl::init(Logger::Level::Info),
};
llvm::cl::opt<mlir::lsp::JSONStreamStyle> inputStyle{
"input-style",
llvm::cl::desc("Input JSON stream encoding"),
llvm::cl::values(clEnumValN(mlir::lsp::JSONStreamStyle::Standard,
"standard", "usual LSP protocol"),
clEnumValN(mlir::lsp::JSONStreamStyle::Delimited,
"delimited",
"messages delimited by `// -----` lines, "
"with // comment support")),
llvm::cl::init(mlir::lsp::JSONStreamStyle::Standard),
llvm::cl::Hidden,
};
//===--------------------------------------------------------------------===//
// Include paths
//===--------------------------------------------------------------------===//
llvm::cl::list<std::string> libDirs{
"y",
llvm::cl::desc(
"Library search paths, which will be searched for missing modules"),
llvm::cl::value_desc("dir"), llvm::cl::Prefix};
llvm::cl::alias libDirsLong{"libdir", llvm::cl::desc("Alias for -y"),
llvm::cl::aliasopt(libDirs), llvm::cl::NotHidden};
//===--------------------------------------------------------------------===//
// Testing
//===--------------------------------------------------------------------===//
llvm::cl::opt<bool> prettyPrint{
"pretty",
llvm::cl::desc("Pretty-print JSON output"),
llvm::cl::init(false),
};
llvm::cl::opt<bool> litTest{
"lit-test",
llvm::cl::desc(
"Abbreviation for -input-style=delimited -pretty -log=verbose. "
"Intended to simplify lit tests"),
llvm::cl::init(false),
};
llvm::cl::ParseCommandLineOptions(argc, argv, "Verilog LSP Language Server");
if (litTest) {
inputStyle = mlir::lsp::JSONStreamStyle::Delimited;
logLevel = mlir::lsp::Logger::Level::Debug;
prettyPrint = true;
}
// Configure the logger.
mlir::lsp::Logger::setLogLevel(logLevel);
// Configure the transport used for communication.
(void)llvm::sys::ChangeStdinToBinary();
mlir::lsp::JSONTransport transport(stdin, llvm::outs(), inputStyle,
prettyPrint);
// Configure the servers and start the main language server.
circt::lsp::VerilogServerOptions options(libDirs);
return failed(circt::lsp::CirctVerilogLspServerMain(options, transport));
}