Debugger: Fix command parsing on the debugger prompt #1074
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WalkthroughThe pull request focuses on refactoring the command parsing logic in the Changes
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Actionable comments posted: 0
🧹 Nitpick comments (5)
debugger/src/main.rs (5)
142-148: Enhance the error message for better user guidance.The error message could be more helpful by mentioning both command forms and indicating that the filename is required.
- println!("expected filename, usage: g(grammar) <filename>"); + println!("Error: filename is required\nUsage: g|grammar <filename>");
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150-156: Maintain consistent error message styling.Update the error message to match the style used in the grammar command for consistency.
- println!("expected filename, usage: i(input) <filename>"); + println!("Error: filename is required\nUsage: i|input <filename>");
162-176: Enhance error handling for breakpoint and delete commands.
- Update error messages for consistency.
- Consider adding rule name validation.
- println!("expected rule, usage: b(breakpoint) <rule>"); + println!("Error: rule name is required\nUsage: b|breakpoint <rule>"); - println!("expected rule, usage: d(delete) <rule>"); + println!("Error: rule name is required\nUsage: d|delete <rule>");Consider adding rule name validation before setting/deleting breakpoints:
fn is_valid_rule_name(rule: &str) -> bool { !rule.is_empty() && rule.chars().all(|c| c.is_alphanumeric() || c == '_') }
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178-184: Maintain consistency in run command error handling.Update the error message to match the style of other commands.
- println!("expected rule, usage: r(run) <rule>"); + println!("Error: rule name is required\nUsage: r|run <rule>");
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133-184: Overall implementation looks good with minor suggestions for improvement.The command parsing changes effectively fix the issue while maintaining a clean and consistent implementation. The suggested improvements focus on enhancing user experience through better error messages and input validation.
Consider extracting the command-specific logic into separate methods to improve maintainability and testability. This would make it easier to add new commands in the future.
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debugger/src/main.rs(2 hunks)
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debugger/src/main.rs (1)
133-134: LGTM! Improved command parsing logic.The new implementation properly handles both spaces and tabs while extracting the command verb, making the parsing more robust.
I've had the debugger not recognize the
borbreakpointcommand (See #1073 ). This PR addresses the issue by splitting off the first whitespace-separated verb from the command string, and only looking for the short and long command versions in this string.Summary by CodeRabbit