forked from AbleScript/ablescript
Prettier error handling
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723719b9df
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11
src/repl.rs
11
src/repl.rs
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@ -20,13 +20,20 @@ pub fn repl() {
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Ok(ast) => {
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println!("{:?}", ast);
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println!("{:?}", env.eval_items(&ast));
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},
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}
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Err(e) => {
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println!(
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"Error `{:?}` occured at span: {:?} = `{:?}`",
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e.kind,
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e.position.clone(),
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line.slice(e.position)
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line.slice(e.position.clone())
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);
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println!(" | {}", line);
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println!(
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" {}{}-- Here",
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" ".repeat(e.position.start),
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"^".repeat((e.position.end - e.position.start).max(1))
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);
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}
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}
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