1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
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9 // copyright notice, this list of conditions and the following
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13 // contributors may be used to endorse or promote products derived
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16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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33 // Declare all of our flags.
34 #define FLAG_MODE_DECLARE
35 #include "flag-definitions.h"
37 // The global list of all flags.
40 // The list of all flags with a value different from the default
41 // and their values. The format of the list is like the format of the
42 // argv array passed to the main function, e.g.
43 // ("--prof", "--log-file", "v8.prof", "--nolazy").
45 // The caller is responsible for disposing the list, as well
46 // as every element of it.
47 static List<const char*>* argv();
49 // Set the flag values by parsing the command line. If remove_flags is
50 // set, the flags and associated values are removed from (argc,
51 // argv). Returns 0 if no error occurred. Otherwise, returns the argv
52 // index > 0 for the argument where an error occurred. In that case,
53 // (argc, argv) will remain unchanged independent of the remove_flags
54 // value, and no assumptions about flag settings should be made.
56 // The following syntax for flags is accepted (both '-' and '--' are ok):
58 // --flag (bool flags only)
59 // --noflag (bool flags only)
60 // --flag=value (non-bool flags only, no spaces around '=')
61 // --flag value (non-bool flags only)
62 // -- (equivalent to --js_arguments, captures all remaining args)
63 static int SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags);
65 // Set the flag values by parsing the string str. Splits string into argc
66 // substrings argv[], each of which consisting of non-white-space chars,
67 // and then calls SetFlagsFromCommandLine() and returns its result.
68 static int SetFlagsFromString(const char* str, int len);
70 // Reset all flags to their default value.
71 static void ResetAllFlags();
73 // Print help to stdout with flags, types, and default values.
74 static void PrintHelp();
76 // Set flags as consequence of being implied by another flag.
77 static void EnforceFlagImplications();
80 } } // namespace v8::internal