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hide source line if error message longer than 150 chars (#4487)

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Kevin (Kun) "Kassimo" Qian 2020-03-24 20:53:48 -07:00 • committed by GitHub
parent addfdc4cd0
commit 3d228f5f9e
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6 changed files with 29 additions and 2 deletions
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7
cli/fmt_errors.rs
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@ -10,6 +10,8 @@ use std::error::Error;
use std::fmt;
use std::ops::Deref;
const SOURCE_ABBREV_THRESHOLD: usize = 150;
/// A trait which specifies parts of a diagnostic like item needs to be able to
/// generate to conform its display to other diagnostic like items
pub trait DisplayFormatter {
@ -74,8 +76,9 @@ pub fn format_maybe_source_line(
let source_line = source_line.as_ref().unwrap();
// sometimes source_line gets set with an empty string, which then outputs
// an empty source line when displayed, so need just short circuit here
if source_line.is_empty() {
// an empty source line when displayed, so need just short circuit here.
// Also short-circuit on error line too long.
if source_line.is_empty() || source_line.len() > SOURCE_ABBREV_THRESHOLD {
return "".to_string();
}