2261a0ddf6
Bug: v8:6333 Change-Id: I53d321292b0a2c7b7f72ee90bd119484f163bdc1 Reviewed-on: https://chromium-review.googlesource.com/637913 Commit-Queue: Peter Marshall <petermarshall@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Reviewed-by: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#47701}
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_FLAGS_H_
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#define V8_FLAGS_H_
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#include <vector>
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#include "src/globals.h"
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namespace v8 {
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namespace internal {
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// Declare all of our flags.
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#define FLAG_MODE_DECLARE
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#include "src/flag-definitions.h" // NOLINT
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// The global list of all flags.
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class V8_EXPORT_PRIVATE FlagList {
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public:
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// The list of all flags with a value different from the default
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// and their values. The format of the list is like the format of the
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// argv array passed to the main function, e.g.
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// ("--prof", "--log-file", "v8.prof", "--nolazy").
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//
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// The caller is responsible for disposing the list, as well
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// as every element of it.
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static std::vector<const char*>* argv();
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// Set the flag values by parsing the command line. If remove_flags is
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// set, the flags and associated values are removed from (argc,
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// argv). Returns 0 if no error occurred. Otherwise, returns the argv
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// index > 0 for the argument where an error occurred. In that case,
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// (argc, argv) will remain unchanged independent of the remove_flags
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// value, and no assumptions about flag settings should be made.
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//
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// The following syntax for flags is accepted (both '-' and '--' are ok):
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//
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// --flag (bool flags only)
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// --noflag (bool flags only)
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// --flag=value (non-bool flags only, no spaces around '=')
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// --flag value (non-bool flags only)
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// -- (equivalent to --js_arguments, captures all remaining args)
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static int SetFlagsFromCommandLine(int* argc,
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char** argv,
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bool remove_flags);
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// Set the flag values by parsing the string str. Splits string into argc
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// substrings argv[], each of which consisting of non-white-space chars,
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// and then calls SetFlagsFromCommandLine() and returns its result.
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static int SetFlagsFromString(const char* str, int len);
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// Reset all flags to their default value.
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static void ResetAllFlags();
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// Print help to stdout with flags, types, and default values.
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static void PrintHelp();
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// Set flags as consequence of being implied by another flag.
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static void EnforceFlagImplications();
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// Hash of flags (to quickly determine mismatching flag expectations).
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// This hash is calculated during V8::Initialize and cached.
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static uint32_t Hash();
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_FLAGS_H_
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