bjoernager/rust
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Shift padding out of suggestions for format strings

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This commit is contained in:
Mark Rousskov 2019-06-06 16:49:51 -06:00
parent dc13072b7b
commit a859440092
2 changed files with 10 additions and 10 deletions
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8
src/libsyntax_ext/format.rs
View file

@ -1043,7 +1043,9 @@ pub fn expand_preparsed_format_args(ecx: &mut ExtCtxt<'_>,
let mut show_doc_note = false;
let mut suggestions = vec![];
for sub in foreign::$kind::iter_subs(fmt_str) {
// account for `"` and account for raw strings `r#`
let padding = str_style.map(|i| i + 2).unwrap_or(1);
for sub in foreign::$kind::iter_subs(fmt_str, padding) {
let trn = match sub.translate() {
Some(trn) => trn,
@ -1064,9 +1066,7 @@ pub fn expand_preparsed_format_args(ecx: &mut ExtCtxt<'_>,
}
if let Some((start, end)) = pos {
// account for `"` and account for raw strings `r#`
let padding = str_style.map(|i| i + 2).unwrap_or(1);
let sp = fmt_sp.from_inner_byte_pos(start + padding, end + padding);
let sp = fmt_sp.from_inner_byte_pos(start, end);
suggestions.push((sp, trn));
} else {
diag.help(&format!("`{}` should be written as `{}`", sub, trn));

12
src/libsyntax_ext/format_foreign.rs
View file

@ -263,10 +263,10 @@ pub mod printf {
}
/// Returns an iterator over all substitutions in a given string.
pub fn iter_subs(s: &str) -> Substitutions<'_> {
pub fn iter_subs(s: &str, start_pos: usize) -> Substitutions<'_> {
Substitutions {
s,
pos: 0,
pos: start_pos,
}
}
@ -711,7 +711,7 @@ pub mod printf {
#[test]
fn test_iter() {
let s = "The %d'th word %% is: `%.*s` %!\n";
let subs: Vec<_> = iter_subs(s).map(|sub| sub.translate()).collect();
let subs: Vec<_> = iter_subs(s, 0).map(|sub| sub.translate()).collect();
assert_eq!(
subs.iter().map(|ms| ms.as_ref().map(|s| &s[..])).collect::<Vec<_>>(),
vec![Some("{}"), None, Some("{:.*}"), None]
@ -804,10 +804,10 @@ pub mod shell {
}
/// Returns an iterator over all substitutions in a given string.
pub fn iter_subs(s: &str) -> Substitutions<'_> {
pub fn iter_subs(s: &str, start_pos: usize) -> Substitutions<'_> {
Substitutions {
s,
pos: 0,
pos: start_pos,
}
}
@ -940,7 +940,7 @@ pub mod shell {
fn test_iter() {
use super::iter_subs;
let s = "The $0'th word $$ is: `$WORD` $!\n";
let subs: Vec<_> = iter_subs(s).map(|sub| sub.translate()).collect();
let subs: Vec<_> = iter_subs(s, 0).map(|sub| sub.translate()).collect();
assert_eq!(
subs.iter().map(|ms| ms.as_ref().map(|s| &s[..])).collect::<Vec<_>>(),
vec![Some("{0}"), None, Some("{WORD}")]