1 //===-- flags_parser.h ------------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef SCUDO_FLAGS_PARSER_H_ 10 #define SCUDO_FLAGS_PARSER_H_ 11 12 #include "report.h" 13 #include "string_utils.h" 14 15 #include <stddef.h> 16 17 namespace scudo { 18 19 enum class FlagType : u8 { 20 FT_bool, 21 FT_int, 22 }; 23 24 class FlagParser { 25 public: 26 void registerFlag(const char *Name, const char *Desc, FlagType Type, 27 void *Var); 28 void parseString(const char *S); 29 void printFlagDescriptions(); 30 31 private: 32 static const u32 MaxFlags = 20; 33 struct Flag { 34 const char *Name; 35 const char *Desc; 36 FlagType Type; 37 void *Var; 38 } Flags[MaxFlags]; 39 40 u32 NumberOfFlags = 0; 41 const char *Buffer = nullptr; 42 uptr Pos = 0; 43 44 void reportFatalError(const char *Error); 45 void skipWhitespace(); 46 void parseFlags(); 47 void parseFlag(); 48 bool runHandler(const char *Name, const char *Value); 49 }; 50 51 void reportUnrecognizedFlags(); 52 53 } // namespace scudo 54 55 #endif // SCUDO_FLAGS_PARSER_H_ 56