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Suppress suggestions while span is in external library #139316

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Suppress suggestions while span is in external library #139316

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c0c69cf
Add ui test
xizheyin Apr 3, 2025
7753df3
Suppress suggestions on deref in macro when == is in extern macro
xizheyin Apr 5, 2025
fd7029d
Suppress suggestions while span is in external library
xizheyin Apr 14, 2025
6b0c39e
use env variables to avoid hardcode, and use paltform independent path
xizheyin Apr 14, 2025
6cbd2d3
Add support for rustc sysroot
xizheyin Apr 14, 2025
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18 changes: 18 additions & 0 deletions compiler/rustc_errors/src/emitter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1996,6 +1996,14 @@ impl HumanEmitter {
return Ok(());
};

if suggestion
.substitutions
.iter()
.any(|s| s.parts.iter().any(|p| is_external_library(sm, p.span)))
{
return Ok(());
}

// Render the replacements for each suggestion
let suggestions = suggestion.splice_lines(sm);
debug!(?suggestions);
Expand Down Expand Up @@ -3532,3 +3540,13 @@ pub(crate) fn should_show_source_code(
.map(|path| ignored_directories.iter().all(|dir| !path.starts_with(dir)))
.unwrap_or(true)
}

fn is_external_library(sm: &SourceMap, span: Span) -> bool {
let filename = sm.span_to_filename(span);
if let Some(path) = filename.into_local_path() {
path.to_string_lossy().contains(".cargo/registry/src/")
|| path.to_string_lossy().contains(".rustup/toolchains/")
} else {
false
}
}
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