| //===-- flags_parser.h ------------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SCUDO_FLAGS_PARSER_H_ |
| #define SCUDO_FLAGS_PARSER_H_ |
| |
| #include "report.h" |
| #include "string_utils.h" |
| |
| #include <stddef.h> |
| |
| namespace scudo { |
| |
| enum class FlagType : u8 { |
| FT_bool, |
| FT_int, |
| }; |
| |
| class FlagParser { |
| public: |
| void registerFlag(const char *Name, const char *Desc, FlagType Type, |
| void *Var); |
| void parseString(const char *S); |
| void printFlagDescriptions(); |
| void parseStringPair(const char *Name, const char *Value); |
| |
| private: |
| static const u32 MaxFlags = 20; |
| struct Flag { |
| const char *Name; |
| const char *Desc; |
| FlagType Type; |
| void *Var; |
| } Flags[MaxFlags]; |
| |
| u32 NumberOfFlags = 0; |
| const char *Buffer = nullptr; |
| uptr Pos = 0; |
| |
| void reportFatalError(const char *Error); |
| void skipWhitespace(); |
| void parseFlags(); |
| void parseFlag(); |
| bool runHandler(const char *Name, const char *Value, char Sep); |
| }; |
| |
| void reportUnrecognizedFlags(); |
| |
| } // namespace scudo |
| |
| #endif // SCUDO_FLAGS_PARSER_H_ |