Use LazyLock for lint_message_convention regexes

This commit is contained in:
Alex Macleod 2022-07-13 14:10:39 +00:00
parent f78292a4ad
commit 018684dd9a

View File

@ -1,8 +1,10 @@
#![feature(once_cell)]
#![cfg_attr(feature = "deny-warnings", deny(warnings))]
#![warn(rust_2018_idioms, unused_lifetimes)]
use std::ffi::OsStr;
use std::path::PathBuf;
use std::sync::LazyLock;
use regex::RegexSet;
@ -14,43 +16,45 @@ struct Message {
impl Message {
fn new(path: PathBuf) -> Self {
let content: String = std::fs::read_to_string(&path).unwrap();
// we don't want the first letter after "error: ", "help: " ... to be capitalized
// also no punctuation (except for "?" ?) at the end of a line
let regex_set: RegexSet = RegexSet::new(&[
r"error: [A-Z]",
r"help: [A-Z]",
r"warning: [A-Z]",
r"note: [A-Z]",
r"try this: [A-Z]",
r"error: .*[.!]$",
r"help: .*[.!]$",
r"warning: .*[.!]$",
r"note: .*[.!]$",
r"try this: .*[.!]$",
])
.unwrap();
static REGEX_SET: LazyLock<RegexSet> = LazyLock::new(|| {
RegexSet::new(&[
r"error: [A-Z]",
r"help: [A-Z]",
r"warning: [A-Z]",
r"note: [A-Z]",
r"try this: [A-Z]",
r"error: .*[.!]$",
r"help: .*[.!]$",
r"warning: .*[.!]$",
r"note: .*[.!]$",
r"try this: .*[.!]$",
])
.unwrap()
});
// sometimes the first character is capitalized and it is legal (like in "C-like enum variants") or
// we want to ask a question ending in "?"
let exceptions_set: RegexSet = RegexSet::new(&[
r".*C-like enum variant discriminant is not portable to 32-bit targets",
r".*did you mean `unix`?",
r".*the arguments may be inverted...",
r".*Intel x86 assembly syntax used",
r".*AT&T x86 assembly syntax used",
r".*remove .*the return type...",
r"note: Clippy version: .*",
r"the compiler unexpectedly panicked. this is a bug.",
r"remove the `if let` statement in the for loop and then...",
])
.unwrap();
static EXCEPTIONS_SET: LazyLock<RegexSet> = LazyLock::new(|| {
RegexSet::new(&[
r"\.\.\.$",
r".*C-like enum variant discriminant is not portable to 32-bit targets",
r".*Intel x86 assembly syntax used",
r".*AT&T x86 assembly syntax used",
r"note: Clippy version: .*",
r"the compiler unexpectedly panicked. this is a bug.",
])
.unwrap()
});
let content: String = std::fs::read_to_string(&path).unwrap();
let bad_lines = content
.lines()
.filter(|line| regex_set.matches(line).matched_any())
.filter(|line| REGEX_SET.matches(line).matched_any())
// ignore exceptions
.filter(|line| !exceptions_set.matches(line).matched_any())
.filter(|line| !EXCEPTIONS_SET.matches(line).matched_any())
.map(ToOwned::to_owned)
.collect::<Vec<String>>();