bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Update tests

Browse source
This commit is contained in:
r0cky 2024-02-07 10:42:01 +08:00
parent 40878ca6ea
commit c7519d42c2
276 changed files with 1049 additions and 234 deletions
Download patch file Download diff file Expand all files Collapse all files

49
compiler/rustc_span/src/source_map/tests.rs
View file

@ -1,5 +1,7 @@
use super::*;
use rustc_data_structures::sync::FreezeLock;
fn init_source_map() -> SourceMap {
let sm = SourceMap::new(FilePathMapping::empty());
sm.new_source_file(PathBuf::from("blork.rs").into(), "first line.\nsecond line".to_string());
@ -263,53 +265,6 @@ fn t10() {
);
}
/// Returns the span corresponding to the `n`th occurrence of `substring` in `source_text`.
trait SourceMapExtension {
fn span_substr(
&self,
file: &Lrc<SourceFile>,
source_text: &str,
substring: &str,
n: usize,
) -> Span;
}
impl SourceMapExtension for SourceMap {
fn span_substr(
&self,
file: &Lrc<SourceFile>,
source_text: &str,
substring: &str,
n: usize,
) -> Span {
eprintln!(
"span_substr(file={:?}/{:?}, substring={:?}, n={})",
file.name, file.start_pos, substring, n
);
let mut i = 0;
let mut hi = 0;
loop {
let offset = source_text[hi..].find(substring).unwrap_or_else(|| {
panic!(
"source_text `{}` does not have {} occurrences of `{}`, only {}",
source_text, n, substring, i
);
});
let lo = hi + offset;
hi = lo + substring.len();
if i == n {
let span = Span::with_root_ctxt(
BytePos(lo as u32 + file.start_pos.0),
BytePos(hi as u32 + file.start_pos.0),
);
assert_eq!(&self.span_to_snippet(span).unwrap()[..], substring);
return span;
}
i += 1;
}
}
}
// Takes a unix-style path and returns a platform specific path.
fn path(p: &str) -> PathBuf {
path_str(p).into()