meta: output commands when running files

meta/run_on_files.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -xe
+
 dir=$(realpath $1)
 
 for file in $(find $dir -name "*.php")

trunk_lexer/src/lexer.rs

@@ -429,7 +429,7 @@ impl Lexer {
                 self.col += 1;
                 TokenKind::RightBracket
             },
-            _ => unimplemented!("<scripting> char: {}", char),
+            _ => unimplemented!("<scripting> char: {}, line: {}, col: {}", char, self.line, self.col),
         };
 
         Ok(Token {