llvm/clang/lib/Tooling/AllTUsExecution.cpp

//===- lib/Tooling/AllTUsExecution.cpp - Execute actions on all TUs. ------===//
//
// 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 "clang/Tooling/AllTUsExecution.h"
#include "clang/Tooling/ToolExecutorPluginRegistry.h"
#include "llvm/Support/Regex.h"
#include "llvm/Support/ThreadPool.h"
#include "llvm/Support/Threading.h"
#include "llvm/Support/VirtualFileSystem.h"

namespace clang {
namespace tooling {

const char *AllTUsToolExecutor::ExecutorName = …;

namespace {
llvm::Error make_string_error(const llvm::Twine &Message) { … }

ArgumentsAdjuster getDefaultArgumentsAdjusters() { … }

class ThreadSafeToolResults : public ToolResults { … };

} // namespace

llvm::cl::opt<std::string>
    Filter("filter",
           llvm::cl::desc("Only process files that match this filter. "
                          "This flag only applies to all-TUs."),
           llvm::cl::init(".*"));

AllTUsToolExecutor::AllTUsToolExecutor(
    const CompilationDatabase &Compilations, unsigned ThreadCount,
    std::shared_ptr<PCHContainerOperations> PCHContainerOps)
    : … { … }

AllTUsToolExecutor::AllTUsToolExecutor(
    CommonOptionsParser Options, unsigned ThreadCount,
    std::shared_ptr<PCHContainerOperations> PCHContainerOps)
    : … { … }

llvm::Error AllTUsToolExecutor::execute(
    llvm::ArrayRef<
        std::pair<std::unique_ptr<FrontendActionFactory>, ArgumentsAdjuster>>
        Actions) { … }

llvm::cl::opt<unsigned> ExecutorConcurrency(
    "execute-concurrency",
    llvm::cl::desc("The number of threads used to process all files in "
                   "parallel. Set to 0 for hardware concurrency. "
                   "This flag only applies to all-TUs."),
    llvm::cl::init(0));

class AllTUsToolExecutorPlugin : public ToolExecutorPlugin { … };

static ToolExecutorPluginRegistry::Add<AllTUsToolExecutorPlugin>
    X("all-TUs", "Runs FrontendActions on all TUs in the compilation database. "
                 "Tool results are stored in memory.");

// This anchor is used to force the linker to link in the generated object file
// and thus register the plugin.
volatile int AllTUsToolExecutorAnchorSource = …;

} // end namespace tooling
} // end namespace clang