Use Cpp::GetLanguageStandard to get language standard

Author: mcbarton

notebooks/tinyraytracer.ipynb

@@ -10,7 +10,7 @@
       "file_extension": ".cpp",
       "mimetype": "text/x-c++src",
       "name": "C++",
-      "version": "23"
+      "version": "cxx23"
     }
   },
   "nbformat_minor": 5,

notebooks/xeus-cpp-lite-demo.ipynb

@@ -10,7 +10,7 @@
       "file_extension": ".cpp",
       "mimetype": "text/x-c++src",
       "name": "C++",
-      "version": "23"
+      "version": "cxx23"
     }
   },
   "nbformat_minor": 5,

notebooks/xeus-cpp.ipynb

@@ -886,7 +886,7 @@
    "file_extension": ".cpp",
    "mimetype": "text/x-c++src",
    "name": "C++",
-   "version": "20"
+   "version": "cxx20"
   }
  },
  "nbformat": 4,

src/xinterpreter.cpp

@@ -74,34 +74,57 @@ namespace xcpp
     {
         xeus::register_interpreter(this);
     }
-
-    static std::string get_stdopt()
+static std::string get_stdopt()
+{
+    switch (Cpp::GetLanguageStandard(nullptr))
     {
-        // We need to find what's the C++ version the interpreter runs with.
-        const char* code = R"(
-int __get_cxx_version () {
-#if __cplusplus > 202302L
-    return 26;
-#elif __cplusplus > 202002L
-    return 23;
-#elif __cplusplus >  201703L
-    return 20;
-#elif __cplusplus > 201402L
-    return 17;
-#elif __cplusplus > 201103L || (defined(_WIN32) && _MSC_VER >= 1900)
-    return 14;
-#elif __cplusplus >= 201103L
-   return 11;
-#else
-  return 0;
-#endif
-  }
-__get_cxx_version ()
-      )";
-        auto cxx_version = Cpp::Evaluate(code);
-        return std::to_string(cxx_version);
+    case Cpp::InterpreterLanguageStandard::c89: return "c89";
+    case Cpp::InterpreterLanguageStandard::c94: return "c94";
+    case Cpp::InterpreterLanguageStandard::gnu89: return "gnu89";
+    case Cpp::InterpreterLanguageStandard::c99: return "c99";
+    case Cpp::InterpreterLanguageStandard::gnu99: return "gnu99";
+    case Cpp::InterpreterLanguageStandard::c11: return "c11";
+    case Cpp::InterpreterLanguageStandard::gnu11: return "gnu11";
+    case Cpp::InterpreterLanguageStandard::c17: return "c17";
+    case Cpp::InterpreterLanguageStandard::gnu17: return "gnu17";
+    case Cpp::InterpreterLanguageStandard::c23: return "c23";
+    case Cpp::InterpreterLanguageStandard::gnu23: return "gnu23";
+    case Cpp::InterpreterLanguageStandard::c2y: return "c2y";
+    case Cpp::InterpreterLanguageStandard::gnu2y: return "gnu2y";
+    case Cpp::InterpreterLanguageStandard::cxx98: return "cxx98";
+    case Cpp::InterpreterLanguageStandard::gnucxx98: return "gnucxx98";
+    case Cpp::InterpreterLanguageStandard::cxx11: return "cxx11";
+    case Cpp::InterpreterLanguageStandard::gnucxx11: return "gnucxx11";
+    case Cpp::InterpreterLanguageStandard::cxx14: return "cxx14";
+    case Cpp::InterpreterLanguageStandard::gnucxx14: return "gnucxx14";
+    case Cpp::InterpreterLanguageStandard::cxx17: return "cxx17";
+    case Cpp::InterpreterLanguageStandard::gnucxx17: return "gnucxx17";
+    case Cpp::InterpreterLanguageStandard::cxx20: return "cxx20";
+    case Cpp::InterpreterLanguageStandard::gnucxx20: return "gnucxx20";
+    case Cpp::InterpreterLanguageStandard::cxx23: return "cxx23";
+    case Cpp::InterpreterLanguageStandard::gnucxx23: return "gnucxx23";
+    case Cpp::InterpreterLanguageStandard::cxx26: return "cxx26";
+    case Cpp::InterpreterLanguageStandard::gnucxx26: return "gnucxx26";
+    case Cpp::InterpreterLanguageStandard::opencl10: return "opencl10";
+    case Cpp::InterpreterLanguageStandard::opencl11: return "opencl11";
+    case Cpp::InterpreterLanguageStandard::opencl12: return "opencl12";
+    case Cpp::InterpreterLanguageStandard::opencl20: return "opencl20";
+    case Cpp::InterpreterLanguageStandard::opencl30: return "opencl30";
+    case Cpp::InterpreterLanguageStandard::openclcpp10: return "openclcpp10";
+    case Cpp::InterpreterLanguageStandard::openclcpp2021: return "openclcpp2021";
+    case Cpp::InterpreterLanguageStandard::hlsl: return "hlsl";
+    case Cpp::InterpreterLanguageStandard::hlsl2015: return "hlsl2015";
+    case Cpp::InterpreterLanguageStandard::hlsl2016: return "hlsl2016";
+    case Cpp::InterpreterLanguageStandard::hlsl2017: return "hlsl2017";
+    case Cpp::InterpreterLanguageStandard::hlsl2018: return "hlsl2018";
+    case Cpp::InterpreterLanguageStandard::hlsl2021: return "hlsl2021";
+    case Cpp::InterpreterLanguageStandard::hlsl202x: return "hlsl202x";
+    case Cpp::InterpreterLanguageStandard::hlsl202y: return "hlsl202y";
+    case Cpp::InterpreterLanguageStandard::lang_unspecified: return "lang_unspecified";
     }
 
+    return "unknown";
+}
     interpreter::interpreter(int argc, const char* const* argv) :
         xmagics()
         , p_cout_strbuf(nullptr)

test/test_interpreter.cpp

@@ -337,7 +337,7 @@ TEST_SUITE("kernel_info_request")
         REQUIRE(result["language_info"]["mimetype"] == "text/x-c++src");
         REQUIRE(result["language_info"]["codemirror_mode"] == "text/x-c++src");
         REQUIRE(result["language_info"]["file_extension"] == ".cpp");
-        REQUIRE(result["language_info"]["version"] == "23");
+        REQUIRE(result["language_info"]["version"] == "cxx23");
         REQUIRE(result["status"] == "ok");
     }