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// Copyright 2006-2008 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_FLAGS_H_
#define V8_FLAGS_H_
#include <vector>
#include "src/globals.h"
namespace v8 {
namespace internal {
// Declare all of our flags.
#define FLAG_MODE_DECLARE
#include "src/flag-definitions.h" // NOLINT
// The global list of all flags.
class V8_EXPORT_PRIVATE 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 std::vector<const char*>* argv();
// Set the flag values by parsing the command line. If remove_flags is
// set, the recognized flags and associated values are removed from (argc,
// argv) and only unknown arguments remain. 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();
// Set flags as consequence of being implied by another flag.
static void EnforceFlagImplications();
// Hash of flags (to quickly determine mismatching flag expectations).
// This hash is calculated during V8::Initialize and cached.
static uint32_t Hash();
};
} // namespace internal
} // namespace v8
#endif // V8_FLAGS_H_
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