diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_lint/messages.ftl | 23 | ||||
| -rw-r--r-- | compiler/rustc_lint/src/lib.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_lint/src/lints.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_lint/src/non_ascii_idents.rs | 47 |
4 files changed, 63 insertions, 10 deletions
diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 785895e0ab8..c08ff0fef3c 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -241,9 +241,28 @@ lint_hidden_unicode_codepoints = unicode codepoint changing visible direction of lint_identifier_non_ascii_char = identifier contains non-ASCII characters lint_identifier_uncommon_codepoints = identifier contains {$codepoints_len -> - [one] an uncommon Unicode codepoint - *[other] uncommon Unicode codepoints + [one] { $identifier_type -> + [Exclusion] a character from an archaic script + [Technical] a character that is for non-linguistic, specialized usage + [Limited_Use] a character from a script in limited use + [Not_NFKC] a non normalized (NFKC) character + *[other] an uncommon character + } + *[other] { $identifier_type -> + [Exclusion] {$codepoints_len} characters from archaic scripts + [Technical] {$codepoints_len} characters that are for non-linguistic, specialized usage + [Limited_Use] {$codepoints_len} characters from scripts in limited use + [Not_NFKC] {$codepoints_len} non normalized (NFKC) characters + *[other] uncommon characters + } }: {$codepoints} + .note = {$codepoints_len -> + [one] this character is + *[other] these characters are + } included in the{$identifier_type -> + [Restricted] {""} + *[other] {" "}{$identifier_type} + } Unicode general security profile lint_ignored_unless_crate_specified = {$level}({$name}) is ignored unless specified at crate level diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index 85f9d3bd63e..6c4e717faa6 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -31,6 +31,7 @@ #![feature(array_windows)] #![feature(box_patterns)] #![feature(control_flow_enum)] +#![feature(extract_if)] #![feature(generic_nonzero)] #![feature(if_let_guard)] #![feature(iter_order_by)] diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index c204c67fc1f..70d30611e8f 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1098,9 +1098,11 @@ pub struct IdentifierNonAsciiChar; #[derive(LintDiagnostic)] #[diag(lint_identifier_uncommon_codepoints)] +#[note] pub struct IdentifierUncommonCodepoints { pub codepoints: Vec<char>, pub codepoints_len: usize, + pub identifier_type: &'static str, } #[derive(LintDiagnostic)] diff --git a/compiler/rustc_lint/src/non_ascii_idents.rs b/compiler/rustc_lint/src/non_ascii_idents.rs index e112cd6915c..5e66ade0357 100644 --- a/compiler/rustc_lint/src/non_ascii_idents.rs +++ b/compiler/rustc_lint/src/non_ascii_idents.rs @@ -7,6 +7,7 @@ use rustc_ast as ast; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::unord::UnordMap; use rustc_span::symbol::Symbol; +use unicode_security::general_security_profile::IdentifierType; declare_lint! { /// The `non_ascii_idents` lint detects non-ASCII identifiers. @@ -189,17 +190,47 @@ impl EarlyLintPass for NonAsciiIdents { if check_uncommon_codepoints && !symbol_str.chars().all(GeneralSecurityProfile::identifier_allowed) { - let codepoints: Vec<_> = symbol_str + let mut chars: Vec<_> = symbol_str .chars() - .filter(|c| !GeneralSecurityProfile::identifier_allowed(*c)) + .map(|c| (c, GeneralSecurityProfile::identifier_type(c))) .collect(); - let codepoints_len = codepoints.len(); - cx.emit_span_lint( - UNCOMMON_CODEPOINTS, - sp, - IdentifierUncommonCodepoints { codepoints, codepoints_len }, - ); + for (id_ty, id_ty_descr) in [ + (IdentifierType::Exclusion, "Exclusion"), + (IdentifierType::Technical, "Technical"), + (IdentifierType::Limited_Use, "Limited_Use"), + (IdentifierType::Not_NFKC, "Not_NFKC"), + ] { + let codepoints: Vec<_> = + chars.extract_if(|(_, ty)| *ty == Some(id_ty)).collect(); + if codepoints.is_empty() { + continue; + } + cx.emit_span_lint( + UNCOMMON_CODEPOINTS, + sp, + IdentifierUncommonCodepoints { + codepoints_len: codepoints.len(), + codepoints: codepoints.into_iter().map(|(c, _)| c).collect(), + identifier_type: id_ty_descr, + }, + ); + } + + let remaining = chars + .extract_if(|(c, _)| !GeneralSecurityProfile::identifier_allowed(*c)) + .collect::<Vec<_>>(); + if !remaining.is_empty() { + cx.emit_span_lint( + UNCOMMON_CODEPOINTS, + sp, + IdentifierUncommonCodepoints { + codepoints_len: remaining.len(), + codepoints: remaining.into_iter().map(|(c, _)| c).collect(), + identifier_type: "Restricted", + }, + ); + } } } |