24 lines
611 B
Rust
24 lines
611 B
Rust
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/// Error handler. Can be used to print error messages; will also retain the
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/// current error status.
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#[derive(Default, Debug)]
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pub struct ErrorHandler {
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had_error: bool,
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}
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impl ErrorHandler {
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/// Check whether this handler reported an error.
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pub fn had_error(&self) -> bool {
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self.had_error
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}
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/// Report an error.
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pub fn error(&mut self, line: usize, message: &str) {
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self.report(line, "", message)
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}
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fn report(&mut self, line: usize, pos: &str, message: &str) {
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self.had_error = true;
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println!("[line {line}] Error{pos}: {message}")
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}
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}
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