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use super::MessageLevel;
use std::hash::{Hash, Hasher};
pub type LintArray = Vec<&'static Lint>;
#[derive(Debug, Copy, Clone)]
pub struct Lint {
pub name: &'static str,
pub level: MessageLevel,
pub desc: &'static str,
}
#[macro_export]
macro_rules! declare_lint {
($vis:vis $NAME:ident, $Level:ident, $desc:expr) => {
$vis static $NAME: &::diagnostics::lint::Lint = &::diagnostics::lint::Lint {
name: stringify!($NAME),
level: ::diagnostics::MessageLevel::$Level,
desc: $desc,
};
}
}
#[macro_export]
macro_rules! lint_array {
($( $lint:expr ),* ,) => { lint_array!( $($lint),* ) };
($( $lint:expr ),*) => {{
vec![$($lint),*]
}}
}
#[derive(Debug, Copy, Clone)]
pub struct LintId {
lint: &'static Lint,
}
impl PartialEq for LintId {
fn eq(&self, other: &Self) -> bool {
std::ptr::eq(self.lint, other.lint)
}
}
impl Eq for LintId {}
impl Hash for LintId {
fn hash<H: Hasher>(&self, state: &mut H) {
let ptr = self.lint as *const Lint;
ptr.hash(state);
}
}
impl LintId {
pub fn of(lint: &'static Lint) -> Self {
Self { lint }
}
pub fn to_string(self) -> String {
self.lint.name.to_ascii_lowercase()
}
}