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-rw-r--r--clangd/tool/ClangdMain.cpp105
1 files changed, 94 insertions, 11 deletions
diff --git a/clangd/tool/ClangdMain.cpp b/clangd/tool/ClangdMain.cpp
index 34e81d3b..b066283a 100644
--- a/clangd/tool/ClangdMain.cpp
+++ b/clangd/tool/ClangdMain.cpp
@@ -1,19 +1,23 @@
//===--- ClangdMain.cpp - clangd server loop ------------------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
//
//===----------------------------------------------------------------------===//
-#include "Features.inc"
#include "ClangdLSPServer.h"
+#include "CodeComplete.h"
+#include "Features.inc"
#include "Path.h"
+#include "Protocol.h"
#include "Trace.h"
#include "Transport.h"
+#include "index/Background.h"
#include "index/Serialization.h"
#include "clang/Basic/Version.h"
+#include "clang/Format/Format.h"
+#include "llvm/ADT/Optional.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
@@ -32,7 +36,7 @@ namespace clangd {
static llvm::cl::opt<bool>
UseDex("use-dex-index",
llvm::cl::desc("Use experimental Dex dynamic index."),
- llvm::cl::init(false), llvm::cl::Hidden);
+ llvm::cl::init(true), llvm::cl::Hidden);
static llvm::cl::opt<Path> CompileCommandsDir(
"compile-commands-dir",
@@ -91,7 +95,7 @@ static llvm::cl::opt<Logger::Level> LogLevel(
static llvm::cl::opt<bool>
Test("lit-test",
llvm::cl::desc("Abbreviation for -input-style=delimited -pretty "
- "-run-synchronously -enable-test-scheme. "
+ "-run-synchronously -enable-test-scheme -log=verbose. "
"Intended to simplify lit tests."),
llvm::cl::init(false), llvm::cl::Hidden);
@@ -153,6 +157,20 @@ static llvm::cl::opt<bool> ShowOrigins(
"debug-origin", llvm::cl::desc("Show origins of completion items"),
llvm::cl::init(CodeCompleteOptions().ShowOrigins), llvm::cl::Hidden);
+static llvm::cl::opt<CodeCompleteOptions::IncludeInsertion> HeaderInsertion(
+ "header-insertion",
+ llvm::cl::desc("Add #include directives when accepting code completions"),
+ llvm::cl::init(CodeCompleteOptions().InsertIncludes),
+ llvm::cl::values(
+ clEnumValN(CodeCompleteOptions::IWYU, "iwyu",
+ "Include what you use. "
+ "Insert the owning header for top-level symbols, unless the "
+ "header is already directly included or the symbol is "
+ "forward-declared."),
+ clEnumValN(
+ CodeCompleteOptions::NeverInsert, "never",
+ "Never insert #include directives as part of code completion")));
+
static llvm::cl::opt<bool> HeaderInsertionDecorators(
"header-insertion-decorators",
llvm::cl::desc("Prepend a circular dot or space before the completion "
@@ -164,7 +182,7 @@ static llvm::cl::opt<Path> IndexFile(
"index-file",
llvm::cl::desc(
"Index file to build the static index. The file must have been created "
- "by a compatible clangd-index.\n"
+ "by a compatible clangd-indexer.\n"
"WARNING: This option is experimental only, and will be removed "
"eventually. Don't rely on it."),
llvm::cl::init(""), llvm::cl::Hidden);
@@ -202,6 +220,48 @@ static llvm::cl::opt<bool> EnableFunctionArgSnippets(
"placeholders for method parameters."),
llvm::cl::init(CodeCompleteOptions().EnableFunctionArgSnippets));
+static llvm::cl::opt<std::string> ClangTidyChecks(
+ "clang-tidy-checks",
+ llvm::cl::desc(
+ "List of clang-tidy checks to run (this will override "
+ ".clang-tidy files). Only meaningful when -clang-tidy flag is on."),
+ llvm::cl::init(""));
+
+static llvm::cl::opt<bool> EnableClangTidy(
+ "clang-tidy",
+ llvm::cl::desc("Enable clang-tidy diagnostics."),
+ llvm::cl::init(true));
+
+static llvm::cl::opt<std::string>
+ FallbackStyle("fallback-style",
+ llvm::cl::desc("clang-format style to apply by default when "
+ "no .clang-format file is found"),
+ llvm::cl::init(clang::format::DefaultFallbackStyle));
+
+static llvm::cl::opt<bool> SuggestMissingIncludes(
+ "suggest-missing-includes",
+ llvm::cl::desc("Attempts to fix diagnostic errors caused by missing "
+ "includes using index."),
+ llvm::cl::init(true));
+
+static llvm::cl::opt<OffsetEncoding> ForceOffsetEncoding(
+ "offset-encoding",
+ llvm::cl::desc("Force the offsetEncoding used for character positions. "
+ "This bypasses negotiation via client capabilities."),
+ llvm::cl::values(clEnumValN(OffsetEncoding::UTF8, "utf-8",
+ "Offsets are in UTF-8 bytes"),
+ clEnumValN(OffsetEncoding::UTF16, "utf-16",
+ "Offsets are in UTF-16 code units")),
+ llvm::cl::init(OffsetEncoding::UnsupportedEncoding));
+
+static llvm::cl::opt<bool> AllowFallbackCompletion(
+ "allow-fallback-completion",
+ llvm::cl::desc(
+ "Allow falling back to code completion without compiling files (using "
+ "identifiers and symbol indexes), when file cannot be built or the "
+ "build is not ready."),
+ llvm::cl::init(false));
+
namespace {
/// \brief Supports a test URI scheme with relaxed constraints for lit tests.
@@ -278,8 +338,10 @@ int main(int argc, char *argv[]) {
if (Test) {
RunSynchronously = true;
InputStyle = JSONStreamStyle::Delimited;
+ LogLevel = Logger::Verbose;
PrettyPrint = true;
- preventThreadStarvationInTests(); // Ensure background index makes progress.
+ // Ensure background index makes progress.
+ BackgroundIndex::preventThreadStarvationInTests();
}
if (Test || EnableTestScheme) {
static URISchemeRegistry::Add<TestScheme> X(
@@ -297,6 +359,8 @@ int main(int argc, char *argv[]) {
llvm::errs() << "Ignoring -j because -run-synchronously is set.\n";
WorkerThreadsCount = 0;
}
+ if (FallbackStyle.getNumOccurrences())
+ clang::format::DefaultFallbackStyle = FallbackStyle.c_str();
// Validate command line arguments.
llvm::Optional<llvm::raw_fd_ostream> InputMirrorStream;
@@ -401,6 +465,7 @@ int main(int argc, char *argv[]) {
CCOpts.Limit = LimitResults;
CCOpts.BundleOverloads = CompletionStyle != Detailed;
CCOpts.ShowOrigins = ShowOrigins;
+ CCOpts.InsertIncludes = HeaderInsertion;
if (!HeaderInsertionDecorators) {
CCOpts.IncludeIndicator.Insert.clear();
CCOpts.IncludeIndicator.NoInsert.clear();
@@ -408,7 +473,9 @@ int main(int argc, char *argv[]) {
CCOpts.SpeculativeIndexRequest = Opts.StaticIndex;
CCOpts.EnableFunctionArgSnippets = EnableFunctionArgSnippets;
CCOpts.AllScopes = AllScopesCompletion;
+ CCOpts.AllowFallback = AllowFallbackCompletion;
+ RealFileSystemProvider FSProvider;
// Initialize and run ClangdLSPServer.
// Change stdin to binary to not lose \r\n on windows.
llvm::sys::ChangeStdinToBinary();
@@ -428,9 +495,25 @@ int main(int argc, char *argv[]) {
PrettyPrint, InputStyle);
}
+ // Create an empty clang-tidy option.
+ std::unique_ptr<tidy::ClangTidyOptionsProvider> ClangTidyOptProvider;
+ if (EnableClangTidy) {
+ auto OverrideClangTidyOptions = tidy::ClangTidyOptions::getDefaults();
+ OverrideClangTidyOptions.Checks = ClangTidyChecks;
+ ClangTidyOptProvider = llvm::make_unique<tidy::FileOptionsProvider>(
+ tidy::ClangTidyGlobalOptions(),
+ /* Default */ tidy::ClangTidyOptions::getDefaults(),
+ /* Override */ OverrideClangTidyOptions, FSProvider.getFileSystem());
+ }
+ Opts.ClangTidyOptProvider = ClangTidyOptProvider.get();
+ Opts.SuggestMissingIncludes = SuggestMissingIncludes;
+ llvm::Optional<OffsetEncoding> OffsetEncodingFromFlag;
+ if (ForceOffsetEncoding != OffsetEncoding::UnsupportedEncoding)
+ OffsetEncodingFromFlag = ForceOffsetEncoding;
ClangdLSPServer LSPServer(
- *TransportLayer, CCOpts, CompileCommandsDirPath,
- /*UseDirBasedCDB=*/CompileArgsFrom == FilesystemCompileArgs, Opts);
+ *TransportLayer, FSProvider, CCOpts, CompileCommandsDirPath,
+ /*UseDirBasedCDB=*/CompileArgsFrom == FilesystemCompileArgs,
+ OffsetEncodingFromFlag, Opts);
llvm::set_thread_name("clangd.main");
return LSPServer.run() ? 0
: static_cast<int>(ErrorResultCode::NoShutdownRequest);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-24 11:11:15 +0000