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Auto merge of #3599 - xfix:use-hash-set-for-valid-idents, r=oli-obk

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Use an FxHashSet for valid idents in documentation lint
This commit is contained in:
bors 2018-12-30 17:46:01 +00:00
commit 529f698c23
2 changed files with 8 additions and 7 deletions
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13
clippy_lints/src/doc.rs
View file

@ -12,6 +12,7 @@ use itertools::Itertools;
use pulldown_cmark;
use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
use rustc::{declare_tool_lint, lint_array};
use rustc_data_structures::fx::FxHashSet;
use syntax::ast;
use syntax::source_map::{BytePos, Span};
use syntax_pos::Pos;
@ -43,11 +44,11 @@ declare_clippy_lint! {
#[derive(Clone)]
pub struct Doc {
valid_idents: Vec<String>,
valid_idents: FxHashSet<String>,
}
impl Doc {
pub fn new(valid_idents: Vec<String>) -> Self {
pub fn new(valid_idents: FxHashSet<String>) -> Self {
Self { valid_idents }
}
}
@ -144,7 +145,7 @@ pub fn strip_doc_comment_decoration(comment: &str, span: Span) -> (String, Vec<(
panic!("not a doc-comment: {}", comment);
}
pub fn check_attrs<'a>(cx: &EarlyContext<'_>, valid_idents: &[String], attrs: &'a [ast::Attribute]) {
pub fn check_attrs<'a>(cx: &EarlyContext<'_>, valid_idents: &FxHashSet<String>, attrs: &'a [ast::Attribute]) {
let mut doc = String::new();
let mut spans = vec![];
@ -192,7 +193,7 @@ pub fn check_attrs<'a>(cx: &EarlyContext<'_>, valid_idents: &[String], attrs: &'
fn check_doc<'a, Events: Iterator<Item = (usize, pulldown_cmark::Event<'a>)>>(
cx: &EarlyContext<'_>,
valid_idents: &[String],
valid_idents: &FxHashSet<String>,
docs: Events,
spans: &[(usize, Span)],
) {
@ -237,14 +238,14 @@ fn check_doc<'a, Events: Iterator<Item = (usize, pulldown_cmark::Event<'a>)>>(
}
}
fn check_text(cx: &EarlyContext<'_>, valid_idents: &[String], text: &str, span: Span) {
fn check_text(cx: &EarlyContext<'_>, valid_idents: &FxHashSet<String>, text: &str, span: Span) {
for word in text.split(|c: char| c.is_whitespace() || c == '\'') {
// Trim punctuation as in `some comment (see foo::bar).`
// ^^
// Or even as in `_foo bar_` which is emphasized.
let word = word.trim_matches(|c: char| !c.is_alphanumeric());
if valid_idents.iter().any(|i| i == word) {
if valid_idents.contains(word) {
continue;
}

2
clippy_lints/src/lib.rs
View file

@ -425,7 +425,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
reg.register_late_lint_pass(box new_without_default::NewWithoutDefault::default());
reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names.clone()));
reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents.clone()));
reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents.iter().cloned().collect()));
reg.register_late_lint_pass(box neg_multiply::NegMultiply);
reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
reg.register_late_lint_pass(box mem_discriminant::MemDiscriminant);