diff options
Diffstat (limited to 'absl/flags/internal/commandlineflag.h')
| -rw-r--r-- | absl/flags/internal/commandlineflag.h | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/absl/flags/internal/commandlineflag.h b/absl/flags/internal/commandlineflag.h index 49e13d1e..a0c18e80 100644 --- a/absl/flags/internal/commandlineflag.h +++ b/absl/flags/internal/commandlineflag.h @@ -61,8 +61,6 @@ enum ValueSource { kProgrammaticChange, }; -extern const char kStrippedFlagHelp[]; - // The per-type function template <typename T> void* FlagOps(FlagOp op, const void* v1, void* v2) { @@ -155,8 +153,7 @@ class FlagStateInterface { // Holds all information for a flag. class CommandLineFlag { public: - constexpr CommandLineFlag(const char* name, const char* filename) - : name_(name), filename_(filename) {} + constexpr CommandLineFlag() = default; // Virtual destructor virtual void Destroy() = 0; @@ -166,9 +163,6 @@ class CommandLineFlag { CommandLineFlag& operator=(const CommandLineFlag&) = delete; // Non-polymorphic access methods. - absl::string_view Name() const { return name_; } - absl::string_view Typename() const; - std::string Filename() const; // Return true iff flag has type T. template <typename T> @@ -190,8 +184,7 @@ class CommandLineFlag { // // 1. `U.value` has correct size and alignment for a value of type `T` // 2. The `U.value` constructor is not invoked since U's constructor does - // not - // do it explicitly. + // not do it explicitly. // 3. The `U.value` destructor is invoked since U's destructor does it // explicitly. This makes `U` a kind of RAII wrapper around non default // constructible value of T, which is destructed when we leave the @@ -213,9 +206,16 @@ class CommandLineFlag { // Polymorphic access methods - // Returns help message associated with this flag + // Returns name of this flag. + virtual absl::string_view Name() const = 0; + // Returns name of the file where this flag is defined. + virtual std::string Filename() const = 0; + // Returns name of the flag's value type for some built-in types or empty + // std::string. + virtual absl::string_view Typename() const = 0; + // Returns help message associated with this flag. virtual std::string Help() const = 0; - // Returns true iff this object corresponds to retired flag + // Returns true iff this object corresponds to retired flag. virtual bool IsRetired() const { return false; } // Returns true iff this is a handle to an Abseil Flag. virtual bool IsAbseilFlag() const { return true; } @@ -253,10 +253,6 @@ class CommandLineFlag { protected: ~CommandLineFlag() = default; - // Constant configuration for a particular flag. - const char* const name_; // Flags name passed to ABSL_FLAG as second arg. - const char* const filename_; // The file name where ABSL_FLAG resides. - private: // Copy-construct a new value of the flag's type in a memory referenced by // the dst based on the current flag's value. |