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Teach rustc to accept lowercase error codes

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This commit is contained in:
Aris Merchant 2021-06-21 18:11:53 -07:00
parent 406d4a9cc3
commit 0bb6bc40ce
1 changed files with 6 additions and 2 deletions
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8
compiler/rustc_driver/src/lib.rs
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@ -528,8 +528,12 @@ fn stderr_isatty() -> bool {
}
fn handle_explain(registry: Registry, code: &str, output: ErrorOutputType) {
let normalised =
if code.starts_with('E') { code.to_string() } else { format!("E{0:0>4}", code) };
let upper_cased_code = code.to_ascii_uppercase();
let normalised = if upper_cased_code.starts_with('E') {
upper_cased_code
} else {
format!("E{0:0>4}", code)
};
match registry.try_find_description(&normalised) {
Ok(Some(description)) => {
let mut is_in_code_block = false;