squiid/rust
1
0
Fork 0
Code Issues Pull requests Projects Activity

Auto merge of #7352 - camsteffen:metadata-syntax, r=xFrednet

Browse source 
Fix metadata code block syntax highlighting

changelog: none

Fixes code fence block in the metadata collector to change ` ``` ` or ` ```ignore` or ` ```rust,ignore` to ` ```rust`. This makes syntax highlighting work more consistently on the website.
This commit is contained in:
bors 2021-06-15 21:44:00 +00:00
commit 7c9da3c1e4
1 changed files with 27 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
clippy_lints/src/utils/internal_lints/metadata_collector.rs
View file

@ -9,6 +9,7 @@
//! a simple mistake)
use if_chain::if_chain;
use rustc_ast as ast;
use rustc_data_structures::fx::FxHashMap;
use rustc_hir::{
self as hir, def::DefKind, intravisit, intravisit::Visitor, ExprKind, Item, ItemKind, Mutability, QPath,
@ -485,16 +486,32 @@ fn extract_attr_docs_or_lint(cx: &LateContext<'_>, item: &Item<'_>) -> Option<St
///
/// Would result in `Hello world!\n=^.^=\n`
fn extract_attr_docs(cx: &LateContext<'_>, item: &Item<'_>) -> Option<String> {
cx.tcx
.hir()
.attrs(item.hir_id())
.iter()
.filter_map(|x| x.doc_str().map(|sym| sym.as_str().to_string()))
.reduce(|mut acc, sym| {
acc.push_str(&sym);
acc.push('\n');
acc
})
let attrs = cx.tcx.hir().attrs(item.hir_id());
let mut lines = attrs.iter().filter_map(ast::Attribute::doc_str);
let mut docs = String::from(&*lines.next()?.as_str());
let mut in_code_block = false;
for line in lines {
docs.push('\n');
let line = line.as_str();
let line = &*line;
if let Some(info) = line.trim_start().strip_prefix("```") {
in_code_block = !in_code_block;
if in_code_block {
let lang = info
.trim()
.split(',')
// remove rustdoc directives
.find(|&s| !matches!(s, "" | "ignore" | "no_run" | "should_panic"))
// if no language is present, fill in "rust"
.unwrap_or("rust");
docs.push_str("```");
docs.push_str(lang);
continue;
}
}
docs.push_str(line);
}
Some(docs)
}
fn get_lint_group_and_level_or_lint(