Vendor import of clang trunk r161861:

http://llvm.org/svn/llvm-project/cfe/trunk@161861

1 files changed, 80 insertions, 0 deletions

diff --git a/include/clang/Tooling/CommandLineClangTool.h b/include/clang/Tooling/CommandLineClangTool.h
new file mode 100644
index 0000000..c29c302
--- /dev/null
+++ b/include/clang/Tooling/CommandLineClangTool.h
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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