Create source_location.h

include/spdlog/details/source_location.h

@@ -0,0 +1,67 @@
+// Copyright(c) 2015-present, Gabi Melman, mguludag & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+#pragma once
+
+#include <cstdint>
+
+namespace spdlog {
+namespace details {
+struct source_location {
+public:
+#if  !defined(__apple_build_version__) && defined(__clang__) &&            \
+    (__clang_major__ >= 9)
+  static constexpr source_location
+  current(const char *fileName = __builtin_FILE(),
+          const int lineNumber = __builtin_LINE(),
+          const char *functionName = __builtin_FUNCTION(),
+          const int columnOffset = __builtin_COLUMN()) noexcept
+#elif defined(__GNUC__) &&                                                    \
+    (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
+  static constexpr source_location
+  current(const char *fileName = __builtin_FILE(),
+          const int lineNumber = __builtin_LINE(),
+          const char *functionName = __builtin_FUNCTION(),
+          const int columnOffset = 0) noexcept
+#elif defined(_MSC_VER) && (_MSC_VER > 1925)
+  static constexpr source_location
+  current(const char *fileName = __builtin_FILE(),
+          const int lineNumber = __builtin_LINE(),
+          const char *functionName = __builtin_FUNCTION(),
+          const int columnOffset = __builtin_COLUMN()) noexcept
+#else
+  static constexpr source_location
+  current(const char *fileName = "unsupported",
+          const int lineNumber = 0,
+          const char *functionName = "unsupported",
+          const int columnOffset = 0) noexcept
+#endif
+  {
+    return source_location(fileName, functionName, lineNumber, columnOffset);
+  }
+
+  source_location(const source_location &) = default;
+  source_location(source_location &&) = default;
+
+  constexpr const char *file_name() const noexcept { return fileName; }
+
+  constexpr const char *function_name() const noexcept { return functionName; }
+
+  constexpr int line() const noexcept { return lineNumber; }
+
+  constexpr int column() const noexcept { return columnOffset; }
+
+private:
+  constexpr source_location(const char *fileName, const char *functionName,
+                            const int lineNumber,
+                            const int columnOffset) noexcept
+      : fileName(fileName), functionName(functionName), lineNumber(lineNumber),
+        columnOffset(columnOffset) {}
+
+  const char *fileName;
+  const int lineNumber;
+  const char *functionName;
+  const int columnOffset;
+};
+} // namespace details
+
+} // namespace spdlog