CSE2410 Fall 2014 Bounce

// Copyright 2006-2008 the V8 project authors. All rights reserved.

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

//       notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

//       copyright notice, this list of conditions and the following

//       disclaimer in the documentation and/or other materials provided

//       with the distribution.

//     * Neither the name of Google Inc. nor the names of its

//       contributors may be used to endorse or promote products derived

//       from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef V8_FLAGS_H_

#define V8_FLAGS_H_

#include "checks.h"

namespace v8 { namespace internal {

// Declare all of our flags.

#define FLAG_MODE_DECLARE

#include "flag-definitions.h"

// The global list of all flags.

class FlagList {

 public:

  // The list of all flags with a value different from the default

  // and their values. The format of the list is like the format of the

  // argv array passed to the main function, e.g.

  // ("--prof", "--log-file", "v8.prof", "--nolazy").

  //

  // The caller is responsible for disposing the list, as well

  // as every element of it.

  static List<const char*>* argv();

  // Set the flag values by parsing the command line. If remove_flags is

  // set, the flags and associated values are removed from (argc,

  // argv). Returns 0 if no error occurred. Otherwise, returns the argv

  // index > 0 for the argument where an error occurred. In that case,

  // (argc, argv) will remain unchanged independent of the remove_flags

  // value, and no assumptions about flag settings should be made.

  //

  // The following syntax for flags is accepted (both '-' and '--' are ok):

  //

  //   --flag        (bool flags only)

  //   --noflag      (bool flags only)

  //   --flag=value  (non-bool flags only, no spaces around '=')

  //   --flag value  (non-bool flags only)

  //   --            (equivalent to --js_arguments, captures all remaining args)

  static int SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags);

  // Set the flag values by parsing the string str. Splits string into argc

  // substrings argv[], each of which consisting of non-white-space chars,

  // and then calls SetFlagsFromCommandLine() and returns its result.

  static int SetFlagsFromString(const char* str, int len);

  // Reset all flags to their default value.

  static void ResetAllFlags();

  // Print help to stdout with flags, types, and default values.

  static void PrintHelp();

};

} }  // namespace v8::internal

#endif  // V8_FLAGS_H_