Lexer test mode works

orchid-base/src/logging.rs

@@ -0,0 +1,16 @@
+use std::{fs::File, io::Write};
+
+pub use orchid_api::logging::LogStrategy;
+
+pub struct Logger(LogStrategy);
+impl Logger {
+  pub fn new(strat: LogStrategy) -> Self { Self(strat) }
+  pub fn log(&self, msg: String) {
+    match &self.0 {
+      LogStrategy::StdErr => eprintln!("{msg}"),
+      LogStrategy::File(f) => writeln!(File::open(f).unwrap(), "{msg}").unwrap(),
+    }
+  }
+  pub fn strat(&self) -> LogStrategy { self.0.clone() }
+}
+