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-//===- CommandLineClangTool.h - command-line clang tools driver -*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the CommandLineClangTool class used to run clang
-// tools as separate command-line applications with a consistent common
-// interface for handling compilation database and input files.
-//
-// It provides a common subset of command-line options, common algorithm
-// for locating a compilation database and source files, and help messages
-// for the basic command-line interface.
-//
-// It creates a CompilationDatabase, initializes a ClangTool and runs a
-// user-specified FrontendAction over all TUs in which the given files are
-// compiled.
-//
-// This class uses the Clang Tooling infrastructure, see
-// http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html
-// for details on setting it up with LLVM source tree.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TOOLS_CLANG_INCLUDE_CLANG_TOOLING_COMMANDLINECLANGTOOL_H
-#define LLVM_TOOLS_CLANG_INCLUDE_CLANG_TOOLING_COMMANDLINECLANGTOOL_H
-
-#include "llvm/Support/CommandLine.h"
-#include "clang/Tooling/CompilationDatabase.h"
-
-namespace clang {
-
-namespace tooling {
-
-class CompilationDatabase;
-class FrontendActionFactory;
-
-/// \brief A common driver for command-line Clang tools.
-///
-/// Parses a common subset of command-line arguments, locates and loads a
-/// compilation commands database, runs a tool with user-specified action. It
-/// also contains a help message for the common command-line options.
-/// An example of usage:
-/// @code
-/// int main(int argc, const char **argv) {
-/// CommandLineClangTool Tool;
-/// cl::extrahelp MoreHelp("\nMore help text...");
-/// Tool.initialize(argc, argv);
-/// return Tool.run(newFrontendActionFactory<clang::SyntaxOnlyAction>());
-/// }
-/// @endcode
-///
-class CommandLineClangTool {
-public:
- /// Sets up command-line options and help messages.
- /// Add your own help messages after constructing this tool.
- CommandLineClangTool();
-
- /// Parses command-line, initializes a compilation database.
- /// This method exits program in case of error.
- void initialize(int argc, const char **argv);
-
- /// Runs a clang tool with an action created by \c ActionFactory.
- int run(FrontendActionFactory *ActionFactory);
-
-private:
- llvm::OwningPtr<CompilationDatabase> Compilations;
- llvm::cl::opt<std::string> BuildPath;
- llvm::cl::list<std::string> SourcePaths;
- llvm::cl::extrahelp MoreHelp;
-};
-
-} // namespace tooling
-
-} // namespace clang
-
-#endif // LLVM_TOOLS_CLANG_INCLUDE_CLANG_TOOLING_COMMANDLINECLANGTOOL_H