mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-23 15:32:26 +00:00
121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
//===-- sanitizer_flag_parser.h ---------------------------------*- C++ -*-===//
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SANITIZER_FLAG_REGISTRY_H
|
|
#define SANITIZER_FLAG_REGISTRY_H
|
|
|
|
#include "sanitizer_internal_defs.h"
|
|
#include "sanitizer_libc.h"
|
|
#include "sanitizer_common.h"
|
|
|
|
namespace __sanitizer {
|
|
|
|
class FlagHandlerBase {
|
|
public:
|
|
virtual bool Parse(const char *value) { return false; }
|
|
};
|
|
|
|
template <typename T>
|
|
class FlagHandler : public FlagHandlerBase {
|
|
T *t_;
|
|
|
|
public:
|
|
explicit FlagHandler(T *t) : t_(t) {}
|
|
bool Parse(const char *value) final;
|
|
};
|
|
|
|
template <>
|
|
inline bool FlagHandler<bool>::Parse(const char *value) {
|
|
if (internal_strcmp(value, "0") == 0 ||
|
|
internal_strcmp(value, "no") == 0 ||
|
|
internal_strcmp(value, "false") == 0) {
|
|
*t_ = false;
|
|
return true;
|
|
}
|
|
if (internal_strcmp(value, "1") == 0 ||
|
|
internal_strcmp(value, "yes") == 0 ||
|
|
internal_strcmp(value, "true") == 0) {
|
|
*t_ = true;
|
|
return true;
|
|
}
|
|
Printf("ERROR: Invalid value for bool option: '%s'\n", value);
|
|
return false;
|
|
}
|
|
|
|
template <>
|
|
inline bool FlagHandler<const char *>::Parse(const char *value) {
|
|
*t_ = internal_strdup(value);
|
|
return true;
|
|
}
|
|
|
|
template <>
|
|
inline bool FlagHandler<int>::Parse(const char *value) {
|
|
char *value_end;
|
|
*t_ = internal_simple_strtoll(value, &value_end, 10);
|
|
bool ok = *value_end == 0;
|
|
if (!ok) Printf("ERROR: Invalid value for int option: '%s'\n", value);
|
|
return ok;
|
|
}
|
|
|
|
template <>
|
|
inline bool FlagHandler<uptr>::Parse(const char *value) {
|
|
char *value_end;
|
|
*t_ = internal_simple_strtoll(value, &value_end, 10);
|
|
bool ok = *value_end == 0;
|
|
if (!ok) Printf("ERROR: Invalid value for uptr option: '%s'\n", value);
|
|
return ok;
|
|
}
|
|
|
|
class FlagParser {
|
|
static const int kMaxFlags = 200;
|
|
struct Flag {
|
|
const char *name;
|
|
const char *desc;
|
|
FlagHandlerBase *handler;
|
|
} *flags_;
|
|
int n_flags_;
|
|
|
|
const char *buf_;
|
|
uptr pos_;
|
|
|
|
public:
|
|
FlagParser();
|
|
void RegisterHandler(const char *name, FlagHandlerBase *handler,
|
|
const char *desc);
|
|
void ParseString(const char *s);
|
|
bool ParseFile(const char *path, bool ignore_missing);
|
|
void PrintFlagDescriptions();
|
|
|
|
static LowLevelAllocator Alloc;
|
|
|
|
private:
|
|
void fatal_error(const char *err);
|
|
bool is_space(char c);
|
|
void skip_whitespace();
|
|
void parse_flags();
|
|
void parse_flag();
|
|
bool run_handler(const char *name, const char *value);
|
|
char *ll_strndup(const char *s, uptr n);
|
|
};
|
|
|
|
template <typename T>
|
|
static void RegisterFlag(FlagParser *parser, const char *name, const char *desc,
|
|
T *var) {
|
|
FlagHandler<T> *fh = new (FlagParser::Alloc) FlagHandler<T>(var); // NOLINT
|
|
parser->RegisterHandler(name, fh, desc);
|
|
}
|
|
|
|
void ReportUnrecognizedFlags();
|
|
|
|
} // namespace __sanitizer
|
|
|
|
#endif // SANITIZER_FLAG_REGISTRY_H
|