use rustc::lint::*;
+use rustc::{declare_lint, lint_array};
use rustc::hir::*;
use syntax::ast::{LitKind, NodeId};
use syntax::codemap::Span;
use unicode_normalization::UnicodeNormalization;
-use utils::{snippet, span_help_and_lint, is_allowed};
+use crate::utils::{is_allowed, snippet, span_help_and_lint};
/// **What it does:** Checks for the Unicode zero-width space in the code.
///
///
/// **Example:** You don't see it, but there may be a zero-width space
/// somewhere in this text.
-declare_lint! {
+declare_clippy_lint! {
pub ZERO_WIDTH_SPACE,
- Deny,
+ correctness,
"using a zero-width space in a string literal, which is confusing"
}
/// ```rust
/// let x = "Hä?"
/// ```
-declare_lint! {
+declare_clippy_lint! {
pub NON_ASCII_LITERAL,
- Allow,
+ pedantic,
"using any literal non-ASCII chars in a string literal instead of \
using the `\\u` escape"
}
///
/// **Example:** You may not see it, but “à” and “à” aren't the same string. The
/// former when escaped is actually `"a\u{300}"` while the latter is `"\u{e0}"`.
-declare_lint! {
+declare_clippy_lint! {
pub UNICODE_NOT_NFC,
- Allow,
+ pedantic,
"using a unicode literal not in NFC normal form (see \
[unicode tr15](http://www.unicode.org/reports/tr15/) for further information)"
}
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Unicode {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
- if let ExprLit(ref lit) = expr.node {
+ if let ExprKind::Lit(ref lit) = expr.node {
if let LitKind::Str(_, _) = lit.node {
check_str(cx, lit.span, expr.id)
}