flag.h File Reference

#include "absl/base/attributes.h"
#include "absl/base/casts.h"
#include "absl/flags/config.h"
#include "absl/flags/declare.h"
#include "absl/flags/internal/commandlineflag.h"
#include "absl/flags/internal/flag.h"
#include "absl/flags/marshalling.h"

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Namespaces
namespace	absl
Defines
#define	ABSL_FLAG(Type, name, default_value, help)   ABSL_FLAG_IMPL(Type, name, default_value, help)
#define	ABSL_FLAG_IMPL(Type, name, default_value, help)
#define	ABSL_FLAG_IMPL_DECLARE_DEF_VAL_WRAPPER(name, Type, default_value)
#define	ABSL_FLAG_IMPL_DECLARE_HELP_WRAPPER(name, txt)
#define	ABSL_FLAG_IMPL_FILENAME()   __FILE__
#define	ABSL_FLAG_IMPL_FLAGHELP(txt)   txt
#define	ABSL_FLAG_IMPL_FLAGNAME(txt)   txt
#define	ABSL_FLAG_IMPL_REGISTRAR(T, flag)   absl::flags_internal::FlagRegistrar<T, true>(&flag)
#define	ABSL_FLAGS_INTERNAL_LOCK_FREE_EXPORT(T)   extern T GetFlag(const absl::Flag<T>& flag);
#define	ABSL_FLAGS_INTERNAL_LOCK_FREE_VALIDATE(BIT)
#define	ABSL_RETIRED_FLAG(type, flagname, default_value, explanation)
Functions
template<typename T >
T	absl::GetFlag (const absl::Flag< T > &flag)
template<typename T >
void	absl::SetFlag (absl::Flag< T > *flag, const T &v)
template<typename T , typename V >
void	absl::SetFlag (absl::Flag< T > *flag, const V &v)

---

Define Documentation

#define ABSL_FLAG	(		Type,
			name,
			default_value,
			help
	)		ABSL_FLAG_IMPL(Type, name, default_value, help)

Definition at line 177 of file flag.h.

#define ABSL_FLAG_IMPL	(		Type,
			name,
			default_value,
			help
	)

Value:

namespace absl {}                                                       \
  ABSL_FLAG_IMPL_DECLARE_DEF_VAL_WRAPPER(name, Type, default_value)       \
  ABSL_FLAG_IMPL_DECLARE_HELP_WRAPPER(name, help)                         \
  absl::Flag<Type> FLAGS_##name(                                          \
      ABSL_FLAG_IMPL_FLAGNAME(#name),                                     \
      &AbslFlagsWrapHelp##name,                                           \
      ABSL_FLAG_IMPL_FILENAME(),                                          \
      &absl::flags_internal::FlagMarshallingOps<Type>,                    \
      &AbslFlagsInitFlag##name);                                          \
  extern bool FLAGS_no##name;                                             \
  bool FLAGS_no##name = ABSL_FLAG_IMPL_REGISTRAR(Type, FLAGS_##name)

Definition at line 242 of file flag.h.

#define ABSL_FLAG_IMPL_DECLARE_DEF_VAL_WRAPPER	(		name,
			Type,
			default_value
	)

Value:

static void* AbslFlagsInitFlag##name() {                                  \
    return absl::flags_internal::MakeFromDefaultValue<Type>(default_value); \
  }

Definition at line 232 of file flag.h.

#define ABSL_FLAG_IMPL_DECLARE_HELP_WRAPPER	(		name,
			txt
	)

Value:

static std::string AbslFlagsWrapHelp##name() {       \
    return ABSL_FLAG_IMPL_FLAGHELP(txt);               \
  }

Definition at line 227 of file flag.h.

#define ABSL_FLAG_IMPL_FILENAME

(

)

__FILE__

Definition at line 214 of file flag.h.

#define ABSL_FLAG_IMPL_FLAGHELP

(

txt

)

txt

Definition at line 224 of file flag.h.

#define ABSL_FLAG_IMPL_FLAGNAME

(

txt

)

txt

Definition at line 213 of file flag.h.

#define ABSL_FLAG_IMPL_REGISTRAR	(		T,
			flag
	)		absl::flags_internal::FlagRegistrar<T, true>(&flag)

Definition at line 215 of file flag.h.

#define ABSL_FLAGS_INTERNAL_LOCK_FREE_EXPORT

(

T

)

extern T GetFlag(const absl::Flag<T>& flag);

Definition at line 121 of file flag.h.

#define ABSL_FLAGS_INTERNAL_LOCK_FREE_VALIDATE

(

BIT

)

Value:

static_assert(                                    \
      !std::is_same<T, BIT>::value,                 \
      "Do not specify explicit template parameters to absl::GetFlag");

#define ABSL_RETIRED_FLAG	(		type,
			flagname,
			default_value,
			explanation
	)

Value:

ABSL_ATTRIBUTE_UNUSED static const bool ignored_##flagname =        \
      ([] { return type(default_value); },                            \
       absl::flags_internal::RetiredFlag<type>(#flagname))

Definition at line 276 of file flag.h.