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Use a bitset instead of bools for type_info flags

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This commit is contained in:
Jason Turner 2015-10-20 18:14:42 -06:00
parent bc388e59da
commit 8496a86043
1 changed files with 20 additions and 18 deletions
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38
include/chaiscript/dispatchkit/type_info.hpp
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@ -11,6 +11,7 @@
#include <type_traits> #include <type_traits>
#include <typeinfo> #include <typeinfo>
#include <string> #include <string>
#include <bitset>
namespace chaiscript namespace chaiscript
{ {
@ -32,17 +33,17 @@ namespace chaiscript
CHAISCRIPT_CONSTEXPR Type_Info(bool t_is_const, bool t_is_reference, bool t_is_pointer, bool t_is_void, CHAISCRIPT_CONSTEXPR Type_Info(bool t_is_const, bool t_is_reference, bool t_is_pointer, bool t_is_void,
bool t_is_arithmetic, const std::type_info *t_ti, const std::type_info *t_bare_ti) bool t_is_arithmetic, const std::type_info *t_ti, const std::type_info *t_bare_ti)
: m_type_info(t_ti), m_bare_type_info(t_bare_ti), : m_type_info(t_ti), m_bare_type_info(t_bare_ti),
m_is_const(t_is_const), m_is_reference(t_is_reference), m_is_pointer(t_is_pointer), m_flags((t_is_const << is_const_flag)
m_is_void(t_is_void), m_is_arithmetic(t_is_arithmetic), + (t_is_reference << is_reference_flag)
m_is_undef(false) + (t_is_pointer << is_pointer_flag)
+ (t_is_void << is_void_flag)
+ (t_is_arithmetic << is_arithmetic_flag))
{ {
} }
CHAISCRIPT_CONSTEXPR Type_Info() CHAISCRIPT_CONSTEXPR Type_Info()
: m_type_info(nullptr), m_bare_type_info(nullptr), : m_type_info(nullptr), m_bare_type_info(nullptr),
m_is_const(false), m_is_reference(false), m_is_pointer(false), m_flags(1 << is_undef_flag)
m_is_void(false), m_is_arithmetic(false),
m_is_undef(true)
{ {
} }
@ -83,12 +84,12 @@ namespace chaiscript
&& (*m_bare_type_info) == ti; && (*m_bare_type_info) == ti;
} }
CHAISCRIPT_CONSTEXPR bool is_const() const CHAISCRIPT_NOEXCEPT { return m_is_const; } CHAISCRIPT_CONSTEXPR bool is_const() const CHAISCRIPT_NOEXCEPT { return m_flags[is_const_flag]; }
CHAISCRIPT_CONSTEXPR bool is_reference() const CHAISCRIPT_NOEXCEPT { return m_is_reference; } CHAISCRIPT_CONSTEXPR bool is_reference() const CHAISCRIPT_NOEXCEPT { return m_flags[is_reference_flag]; }
CHAISCRIPT_CONSTEXPR bool is_void() const CHAISCRIPT_NOEXCEPT { return m_is_void; } CHAISCRIPT_CONSTEXPR bool is_void() const CHAISCRIPT_NOEXCEPT { return m_flags[is_void_flag]; }
CHAISCRIPT_CONSTEXPR bool is_arithmetic() const CHAISCRIPT_NOEXCEPT { return m_is_arithmetic; } CHAISCRIPT_CONSTEXPR bool is_arithmetic() const CHAISCRIPT_NOEXCEPT { return m_flags[is_arithmetic_flag]; }
CHAISCRIPT_CONSTEXPR bool is_undef() const CHAISCRIPT_NOEXCEPT { return m_is_undef; } CHAISCRIPT_CONSTEXPR bool is_undef() const CHAISCRIPT_NOEXCEPT { return m_flags[is_undef_flag]; }
CHAISCRIPT_CONSTEXPR bool is_pointer() const CHAISCRIPT_NOEXCEPT { return m_is_pointer; } CHAISCRIPT_CONSTEXPR bool is_pointer() const CHAISCRIPT_NOEXCEPT { return m_flags[is_pointer_flag]; }
std::string name() const std::string name() const
{ {
@ -118,12 +119,13 @@ namespace chaiscript
private: private:
const std::type_info *m_type_info; const std::type_info *m_type_info;
const std::type_info *m_bare_type_info; const std::type_info *m_bare_type_info;
bool m_is_const; std::bitset<6> m_flags;
bool m_is_reference; static const int is_const_flag = 0;
bool m_is_pointer; static const int is_reference_flag = 1;
bool m_is_void; static const int is_pointer_flag = 2;
bool m_is_arithmetic; static const int is_void_flag = 3;
bool m_is_undef; static const int is_arithmetic_flag = 4;
static const int is_undef_flag = 5;
}; };
namespace detail namespace detail