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Check for escape sequences in Fluent resources

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This commit is contained in:
clubby789 2023-03-29 16:00:48 +01:00
parent bf57e8ada6
commit 979c265a5d
9 changed files with 64 additions and 9 deletions
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12
compiler/rustc_macros/src/diagnostics/fluent.rs
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@ -111,6 +111,18 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok
.emit();
return failed(&crate_name);
}
let mut bad = false;
for esc in ["\\n", "\\\"", "\\'"] {
for _ in resource_contents.matches(esc) {
bad = true;
Diagnostic::spanned(resource_span, Level::Error, format!("invalid escape `{esc}` in Fluent resource"))
.note("Fluent does not interpret these escape sequences (<https://projectfluent.org/fluent/guide/special.html>)")
.emit();
}
}
if bad {
return failed(&crate_name);
}
let resource = match FluentResource::try_new(resource_contents) {
Ok(resource) => resource,