| // 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 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(); |
| |
| // 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_ |