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-rw-r--r--crates/ide/src/syntax_highlighting/inject.rs10
1 files changed, 8 insertions, 2 deletions
diff --git a/crates/ide/src/syntax_highlighting/inject.rs b/crates/ide/src/syntax_highlighting/inject.rs
index 04fafd244..855c7fba8 100644
--- a/crates/ide/src/syntax_highlighting/inject.rs
+++ b/crates/ide/src/syntax_highlighting/inject.rs
@@ -90,6 +90,13 @@ const RUSTDOC_FENCE_TOKENS: &[&'static str] = &[
90 "edition2021", 90 "edition2021",
91]; 91];
92 92
93fn is_rustdoc_fence_token(token: &str) -> bool {
94 if RUSTDOC_FENCE_TOKENS.contains(&token) {
95 return true;
96 }
97 token.starts_with('E') && token.len() == 5 && token[1..].parse::<u32>().is_ok()
98}
99
93/// Injection of syntax highlighting of doctests. 100/// Injection of syntax highlighting of doctests.
94pub(super) fn doc_comment( 101pub(super) fn doc_comment(
95 hl: &mut Highlights, 102 hl: &mut Highlights,
@@ -174,8 +181,7 @@ pub(super) fn doc_comment(
174 is_codeblock = !is_codeblock; 181 is_codeblock = !is_codeblock;
175 // Check whether code is rust by inspecting fence guards 182 // Check whether code is rust by inspecting fence guards
176 let guards = &line[idx + RUSTDOC_FENCE.len()..]; 183 let guards = &line[idx + RUSTDOC_FENCE.len()..];
177 let is_rust = 184 let is_rust = guards.split(',').all(|sub| is_rustdoc_fence_token(sub.trim()));
178 guards.split(',').all(|sub| RUSTDOC_FENCE_TOKENS.contains(&sub.trim()));
179 is_doctest = is_codeblock && is_rust; 185 is_doctest = is_codeblock && is_rust;
180 continue; 186 continue;
181 } 187 }