refactor: add Rust infrastructure: Option, Result and panic

src/yycc/rust/panic.cpp

@@ -0,0 +1,43 @@
+#include "panic.hpp"
+#include "../macro/feature_probe.hpp"
+
+#include <cstdlib>
+#include <iomanip>
+#include <iostream>
+#if defined(YYCC_CPPFEAT_STACKTRACE)
+#include <stacktrace>
+#endif
+
+namespace yycc::rust::panic {
+
+    void panic(const char* file, int line, const std::string_view& msg) {
+        // Output message in stderr.
+        auto& dst = std::cerr;
+
+        // TODO: Fix colorful output when finishing `termcolor` lib.
+
+        // Print error message if we support it.
+        // // Setup color
+        // dst << FOREGROUND<Color::Red>;
+        // File name and line number message
+        dst << "program paniked at " << std::quoted(file) << ":Ln" << line << std::endl;
+        // User custom message
+        dst << "note: " << msg << std::endl;
+        // Stacktrace message if we support it.
+#if defined(YYCC_CPPFEAT_STACKTRACE)
+        dst << "stacktrace: " << std::endl;
+        dst << std::stacktrace::current() << std::endl;
+#else
+        dst << "there is no stacktrace because your C++ runtime do not support it." << std::endl;
+#endif
+        // // Restore color
+        // dst << RESET;
+
+        // Make sure all messages are flushed into screen.
+        dst.flush();
+
+        // Force exit
+        std::abort();
+    }
+
+} // namespace yycc::rust::panic