Minor fix to error handling

src/compiler.rs

@@ -38,7 +38,10 @@ pub fn start_compiler() {
     for line in lines.map_while(Result::ok) {
         match compile(&line) {
             Ok(_) => println!("\nCompilation OK :)\n"),
-            Err(e) => println!("\n{}\n", e),
+            Err(e) => println!(
+                "{}",
+                format!("{{\"error\": {}}}", json::stringify(format!("{e}")))
+            ),
         }
     }
 }

src/compiler/parser/mod.rs

@@ -173,7 +173,9 @@ fn parse_term<'source>(
         TokenType::Punctuation => match token.text {
             "(" => parse_parenthesized(pos, tokens),
             "{" => parse_block(pos, tokens),
-            _ => unreachable!(),
+            _ => Err(ParserError {
+                msg: format!("Unexpected {}", token),
+            }),
         },
         _ => Err(ParserError {
             msg: format!("Unexpected {}", token),

src/server.rs

@@ -39,7 +39,7 @@ fn handle_connection(mut stream: TcpStream) {
 
             let response = match output {
                 Ok(output) => format!("{{\"program\": \"{output}\"}}"),
-                Err(e) => format!("{{\"error\": \"{e}\"}}"),
+                Err(e) => format!("{{\"error\": {}}}", json::stringify(format!("{e}"))),
             };
 
             stream.write_all(response.as_bytes()).unwrap();