doc: add README&LICENSE

include/errors.hpp

@@ -2,15 +2,39 @@
 #define _ERRORS_HPP_
 
 #include <functional>
+#include <iostream>
+#include <sycl/sycl.hpp>
 
 typedef enum {
-  errors_code_ok,
-  errors_code_sync_sycl_exception,
-  errors_code_std_exception,
-  errors_code_unknown_exception,
-} errors_code_enum_t;
+  base16384_errors_code_ok,
+  base16384_errors_code_sync_sycl_exception,
+  base16384_errors_code_std_exception,
+  base16384_errors_code_unknown_exception,
+} base16384_errors_code_enum_t;
+
+template <typename T>
+concept base16384_has_what_concept_t = requires(T t) { t.what(); };
+
+template <base16384_has_what_concept_t T>
+static void base16384_print_what(T e, std::string msg) {
+  std::cerr << msg << e.what() << std::endl;
+}
 
 // failed try to exec fn, catch and print .what() when exception is thrown.
-errors_code_enum_t failed(std::function<void(void)> fn);
+static base16384_errors_code_enum_t base16384_try_failed(std::function<void(void)> fn) {
+  try {
+    fn();
+  } catch (sycl::exception &e) {
+    base16384_print_what(e, "Caught sync SYCL exception: ");
+    return base16384_errors_code_sync_sycl_exception;
+  } catch (std::exception &e) {
+    base16384_print_what(e, "Caught std exception: ");
+    return base16384_errors_code_std_exception;
+  } catch (...) {
+    std::cerr << "Caught unknown exception." << std::endl;
+    return base16384_errors_code_unknown_exception;
+  }
+  return base16384_errors_code_ok;
+}
 
 #endif