| 13 | const CONT: &str = "... "; |
| 14 | |
| 15 | pub fn run(manifest_path: &Path) -> Result<()> { |
| 16 | let manifest = Manifest::load(manifest_path)?; |
| 17 | let mut session = Session::open(&manifest)?; |
| 18 | println!("Edge Python {} · .exit, Ctrl+C or Ctrl+D to quit", env!("CARGO_PKG_VERSION")); |
| 19 | |
| 20 | let mut rl = DefaultEditor::new()?; |
| 21 | loop { |
| 22 | let first = match rl.readline(PROMPT) { |
| 23 | Ok(s) => s, |
| 24 | Err(ReadlineError::Interrupted) => break, // Ctrl+C exits |
| 25 | Err(ReadlineError::Eof) => break, // Ctrl+D exits |
| 26 | Err(e) => { eprintln!("repl error: {e}"); break; } |
| 27 | }; |
| 28 | let _ = rl.add_history_entry(first.as_str()); |
| 29 | let block = match read_block(&mut rl, first)? { |
| 30 | BlockResult::Done(b) => b, |
| 31 | BlockResult::Exit => break, |
| 32 | }; |
| 33 | |
| 34 | let trimmed = block.trim(); |
| 35 | if trimmed.is_empty() { continue; } |
| 36 | match trimmed { |
| 37 | ".exit" => break, |
| 38 | ".reset" => { |
| 39 | // Wipe runtime modules in place; the browser keeps running. |
| 40 | session.reset()?; |
| 41 | continue; |
| 42 | } |
| 43 | _ => {} |
| 44 | } |
| 45 | |
| 46 | let outcome = session.eval(&block, crate::engine::emit_chunk)?; |
| 47 | // `raise SystemExit` quits the session with its code, matching the one-shot runner. |
| 48 | if let Some(code) = outcome.exit_code { |
| 49 | std::process::exit(code); |
| 50 | } |
| 51 | if let Some(err) = outcome.err { |
| 52 | crate::ui::traceback(&err); |
| 53 | } |
| 54 | } |
| 55 | Ok(()) |
| 56 | } |
| 57 | |
| 58 | enum BlockResult { |
| 59 | Done(String), |