Add nameof module support

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.30)
 
 include(GNUInstallDirs)
 
@@ -22,6 +22,7 @@ endif()
 option(NAMEOF_OPT_BUILD_EXAMPLES "Build nameof examples" ${IS_TOPLEVEL_PROJECT})
 option(NAMEOF_OPT_BUILD_TESTS "Build and perform nameof tests" ${IS_TOPLEVEL_PROJECT})
 option(NAMEOF_OPT_INSTALL "Generate and install nameof target" ${IS_TOPLEVEL_PROJECT})
+option(NAMEOF_MODULE "Build nameof module" OFF)
 
 if(NAMEOF_OPT_BUILD_EXAMPLES)
     add_subdirectory(example)
@@ -36,14 +37,34 @@ include(CMakePackageConfigHelpers)
 
 set(EXPORT_NAMESPACE "${PROJECT_NAME}::")
 
-add_library("${PROJECT_NAME}" INTERFACE)
+
-add_library("${EXPORT_NAMESPACE}${PROJECT_NAME}" ALIAS "${PROJECT_NAME}")
 set(INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/include")
 
-target_include_directories(${PROJECT_NAME}
+if(NAMEOF_MODULE)
+    set(CMAKE_CXX_EXTENSIONS OFF)
+    add_library(${PROJECT_NAME})
+
+    target_include_directories(${PROJECT_NAME}
+        PUBLIC
+            $<BUILD_INTERFACE:${INCLUDES}>
+            $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+    target_compile_definitions(${PROJECT_NAME} PRIVATE NAMEOF_MODULE)
+    target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_20)
+
+    target_sources(${PROJECT_NAME} PUBLIC FILE_SET nameofModules TYPE CXX_MODULES
+    FILES src/nameof.cpp)
+else()
+    add_library("${PROJECT_NAME}" INTERFACE)
+    target_include_directories(${PROJECT_NAME}
         INTERFACE
             $<BUILD_INTERFACE:${INCLUDES}>
             $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+endif()
+
+add_library("${EXPORT_NAMESPACE}${PROJECT_NAME}" ALIAS "${PROJECT_NAME}")
+
+
+
 
 if(NAMEOF_OPT_INSTALL)
     list(APPEND CMAKE_MODULE_PATH "${ADDITIONAL_MODULES_DIR}/GenPkgConfig")
@@ -54,6 +75,10 @@ if(NAMEOF_OPT_INSTALL)
     string(REPLACE "/${CMAKE_LIBRARY_ARCHITECTURE}" "" CMAKE_INSTALL_LIBDIR_ARCHIND "${CMAKE_INSTALL_LIBDIR}")
     install(TARGETS "${PROJECT_NAME}"
         EXPORT ${PROJECT_NAME}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+        FILE_SET nameofModules DESTINATION ${CMAKE_INSTALL_LIBDIR}
         INCLUDES
             DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
             # COMPONENT "${SDK_COMPONENT_NAME}" # component is not allowed for includes! Headers are installed separately! Includes only marks the headers for export

example/CMakeLists.txt

@@ -12,10 +12,12 @@ endif()
 function(make_example target)
     add_executable(${target} ${target}.cpp)
     set_target_properties(${target} PROPERTIES CXX_EXTENSIONS OFF)
-    target_compile_features(${target} PRIVATE cxx_std_17)
     target_compile_options(${target} PRIVATE ${OPTIONS})
     target_link_libraries(${target} PRIVATE ${CMAKE_PROJECT_NAME})
 endfunction()
 
 make_example(example)
 make_example(example_custom_name)
+if(NAMEOF_MODULE)
+    make_example(example_module)
+endif()

example/example_module.cpp

@@ -0,0 +1,11 @@
+import nameof;
+#include <nameof_macro.hpp>
+
+struct Test {};
+
+auto main() -> int {
+  auto _ = nameof::nameof_type<Test>();
+  {
+    auto _ = NAMEOF_TYPE(Test);
+  }
+}

include/nameof_macro.hpp

@@ -0,0 +1,149 @@
+#ifndef NEARGYE_NAMEOF_MACRO_HPP
+#define NEARGYE_NAMEOF_MACRO_HPP
+
+// Checks nameof_type compiler compatibility.
+#if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 7 || defined(_MSC_VER) && _MSC_VER >= 1910
+#undef NAMEOF_TYPE_SUPPORTED
+#define NAMEOF_TYPE_SUPPORTED 1
+#endif
+
+// Checks nameof_type_rtti compiler compatibility.
+#if defined(__clang__)
+#if __has_feature(cxx_rtti)
+#undef NAMEOF_TYPE_RTTI_SUPPORTED
+#define NAMEOF_TYPE_RTTI_SUPPORTED 1
+#endif
+#elif defined(__GNUC__)
+#if defined(__GXX_RTTI)
+#undef NAMEOF_TYPE_RTTI_SUPPORTED
+#define NAMEOF_TYPE_RTTI_SUPPORTED 1
+#endif
+#elif defined(_MSC_VER)
+#if defined(_CPPRTTI)
+#undef NAMEOF_TYPE_RTTI_SUPPORTED
+#define NAMEOF_TYPE_RTTI_SUPPORTED 1
+#endif
+#endif
+
+// Checks nameof_member compiler compatibility.
+#if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 7 || \
+    defined(_MSC_VER) && defined(_MSVC_LANG) && _MSVC_LANG >= 202002L
+#undef NAMEOF_MEMBER_SUPPORTED
+#define NAMEOF_MEMBER_SUPPORTED 1
+#endif
+
+// Checks nameof_pointer compiler compatibility.
+#if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 7 || \
+    defined(_MSC_VER) && defined(_MSVC_LANG) && _MSVC_LANG >= 202002L
+#undef NAMEOF_POINTER_SUPPORTED
+#define NAMEOF_POINTER_SUPPORTED 1
+#endif
+
+// Checks nameof_enum compiler compatibility.
+#if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 9 || defined(_MSC_VER) && _MSC_VER >= 1910
+#undef NAMEOF_ENUM_SUPPORTED
+#define NAMEOF_ENUM_SUPPORTED 1
+#endif
+
+// Checks nameof_enum compiler aliases compatibility.
+#if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 9 || defined(_MSC_VER) && _MSC_VER >= 1920
+#undef NAMEOF_ENUM_SUPPORTED_ALIASES
+#define NAMEOF_ENUM_SUPPORTED_ALIASES 1
+#endif
+
+// Enum value must be greater or equals than NAMEOF_ENUM_RANGE_MIN. By default NAMEOF_ENUM_RANGE_MIN = -128.
+// If need another min range for all enum types by default, redefine the macro NAMEOF_ENUM_RANGE_MIN.
+#if !defined(NAMEOF_ENUM_RANGE_MIN)
+#define NAMEOF_ENUM_RANGE_MIN -128
+#endif
+
+// Enum value must be less or equals than NAMEOF_ENUM_RANGE_MAX. By default NAMEOF_ENUM_RANGE_MAX = 128.
+// If need another max range for all enum types by default, redefine the macro NAMEOF_ENUM_RANGE_MAX.
+#if !defined(NAMEOF_ENUM_RANGE_MAX)
+#define NAMEOF_ENUM_RANGE_MAX 128
+#endif
+
+#define NAMEOF_VERSION_MAJOR 0
+#define NAMEOF_VERSION_MINOR 10
+#define NAMEOF_VERSION_PATCH 4
+
+// Obtains name of variable, function, macro.
+#define NAMEOF(...)                                                     \
+  []() constexpr noexcept {                                             \
+    ::std::void_t<decltype(__VA_ARGS__)>();                             \
+    constexpr auto _name = ::nameof::detail::pretty_name(#__VA_ARGS__); \
+    static_assert(!_name.empty(), "Expression does not have a name.");  \
+    constexpr auto _size = _name.size();                                \
+    constexpr auto _nameof = ::nameof::cstring<_size>{_name};           \
+    return _nameof;                                                     \
+  }()
+
+// Obtains full name of variable, function, macro.
+#define NAMEOF_FULL(...)                                                       \
+  []() constexpr noexcept {                                                    \
+    ::std::void_t<decltype(__VA_ARGS__)>();                                    \
+    constexpr auto _name = ::nameof::detail::pretty_name(#__VA_ARGS__, false); \
+    static_assert(!_name.empty(), "Expression does not have a name.");         \
+    constexpr auto _size = _name.size();                                       \
+    constexpr auto _nameof_full = ::nameof::cstring<_size>{_name};             \
+    return _nameof_full;                                                       \
+  }()
+
+// Obtains raw name of variable, function, macro.
+#define NAMEOF_RAW(...)                                                \
+  []() constexpr noexcept {                                            \
+    ::std::void_t<decltype(__VA_ARGS__)>();                            \
+    constexpr auto _name = ::nameof::string_view{#__VA_ARGS__};        \
+    static_assert(!_name.empty(), "Expression does not have a name."); \
+    constexpr auto _size = _name.size();                               \
+    constexpr auto _nameof_raw = ::nameof::cstring<_size>{_name};      \
+    return _nameof_raw;                                                \
+  }()
+
+// Obtains name of enum variable.
+#define NAMEOF_ENUM(...) ::nameof::nameof_enum<::std::decay_t<decltype(__VA_ARGS__)>>(__VA_ARGS__)
+
+// Obtains name of enum variable or default value if enum variable out of range.
+#define NAMEOF_ENUM_OR(...) ::nameof::nameof_enum_or(__VA_ARGS__)
+
+// Obtains name of static storage enum variable.
+// This version is much lighter on the compile times and is not restricted to the enum_range limitation.
+#define NAMEOF_ENUM_CONST(...) ::nameof::nameof_enum<__VA_ARGS__>()
+
+// Obtains name of enum-flags variable.
+#define NAMEOF_ENUM_FLAG(...) ::nameof::nameof_enum_flag<::std::decay_t<decltype(__VA_ARGS__)>>(__VA_ARGS__)
+
+// Obtains type name, reference and cv-qualifiers are ignored.
+#define NAMEOF_TYPE(...) ::nameof::nameof_type<__VA_ARGS__>()
+
+// Obtains full type name, with reference and cv-qualifiers.
+#define NAMEOF_FULL_TYPE(...) ::nameof::nameof_full_type<__VA_ARGS__>()
+
+// Obtains short type name.
+#define NAMEOF_SHORT_TYPE(...) ::nameof::nameof_short_type<__VA_ARGS__>()
+
+// Obtains type name of expression, reference and cv-qualifiers are ignored.
+#define NAMEOF_TYPE_EXPR(...) ::nameof::nameof_type<decltype(__VA_ARGS__)>()
+
+// Obtains full type name of expression, with reference and cv-qualifiers.
+#define NAMEOF_FULL_TYPE_EXPR(...) ::nameof::nameof_full_type<decltype(__VA_ARGS__)>()
+
+// Obtains short type name of expression.
+#define NAMEOF_SHORT_TYPE_EXPR(...) ::nameof::nameof_short_type<decltype(__VA_ARGS__)>()
+
+// Obtains type name, with reference and cv-qualifiers, using RTTI.
+#define NAMEOF_TYPE_RTTI(...) ::nameof::detail::nameof_type_rtti<::std::void_t<decltype(__VA_ARGS__)>>(typeid(__VA_ARGS__).name())
+
+// Obtains full type name, using RTTI.
+#define NAMEOF_FULL_TYPE_RTTI(...) ::nameof::detail::nameof_full_type_rtti<decltype(__VA_ARGS__)>(typeid(__VA_ARGS__).name())
+
+// Obtains short type name, using RTTI.
+#define NAMEOF_SHORT_TYPE_RTTI(...) ::nameof::detail::nameof_short_type_rtti<decltype(__VA_ARGS__)>(typeid(__VA_ARGS__).name())
+
+// Obtains name of member.
+#define NAMEOF_MEMBER(...) ::nameof::nameof_member<__VA_ARGS__>()
+
+// Obtains name of a function, a global or class static variable.
+#define NAMEOF_POINTER(...) ::nameof::nameof_pointer<__VA_ARGS__>()
+
+#endif

src/nameof.cpp

@@ -0,0 +1,46 @@
+module;
+
+#ifndef NAMEOF_IMPORT_STD
+
+#include <array>
+#include <cassert>
+#include <cstddef>
+#include <cstdint>
+#include <iosfwd>
+#include <iterator>
+#include <limits>
+#include <type_traits>
+#include <utility>
+
+#if !defined(NAMEOF_USING_ALIAS_STRING)
+#include <string>
+#endif
+#if !defined(NAMEOF_USING_ALIAS_STRING_VIEW)
+#include <string_view>
+#endif
+
+#if __has_include(<cxxabi.h>)
+#include <cxxabi.h>
+
+#include <cstdlib>
+#endif
+
+#endif
+
+export module nameof;
+
+#ifdef NAMEOF_IMPORT_STD
+
+import std;
+
+#endif
+
+#ifdef NAMEOF_ATTACH_TO_GLOBAL_MODULE
+extern "C++" {
+#endif
+
+#include <nameof.hpp>
+
+#ifdef NAMEOF_ATTACH_TO_GLOBAL_MODULE
+}  // extern "C++"
+#endif