@@ -4,6 +4,14 @@ A C++11 helper for [OpenGL][] >=2.0 [shaders][Shader].

 [OpenGL]: https://www.opengl.org

 [Shader]: https://www.khronos.org/opengl/wiki/Shader

+[`std::runtime_error`]: https://en.cppreference.com/w/cpp/error/runtime_error

+[`what()`]: https://en.cppreference.com/w/cpp/error/exception/what

+

+## Dependencies

+

+[`str.hpp`][] is bundled.

+

+[`str.hpp`]: https://git.rcrnstn.net/rcrnstn/str.hpp

 ## License

new file mode 100644

@@ -0,0 +1,39 @@

+#ifndef STR_HPP

+#define STR_HPP

+

+

+#include <sstream>

+

+

+#define STR(VALUES) \

+    ((std::ostringstream &)(std::ostringstream() << VALUES)).str()

+

+#define STR_JOIN(JOIN, IT, ITERABLE) \

+    [&] { \

+        auto const & iterable = ITERABLE; \

+        auto const & join = JOIN; \

+        std::ostringstream oss; \

+        auto first = true; \

+        for (auto & it : iterable) { \

+            if (!first) \

+                oss << join; \

+            oss << IT; \

+            first = false; \

+        } \

+        return oss.str(); \

+    }()

+

+#define STR_CASE(CASE) \

+    case CASE: return #CASE;

+

+#define STR_COND(VALUE, CASE) \

+    (VALUE) == (CASE) ? #CASE :

+

+#define STR_INGIFY1(X) #X

+#define STR_INGIFY2(X) STR_INGIFY1(X)

+

+#define STR_HERE(VALUES) \

+    STR(__FILE__ << ":" << STR_INGIFY2(__LINE__) ": " << VALUES)

+

+

+#endif // STR_HPP