bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/syntax_highlighting/escape.rs')
-rw-r--r--crates/ide/src/syntax_highlighting/escape.rs24
1 files changed, 22 insertions, 2 deletions
diff --git a/crates/ide/src/syntax_highlighting/escape.rs b/crates/ide/src/syntax_highlighting/escape.rs
index 6a1236c793..211e358809 100644
--- a/crates/ide/src/syntax_highlighting/escape.rs
+++ b/crates/ide/src/syntax_highlighting/escape.rs
@@ -1,8 +1,8 @@
//! Syntax highlighting for escape sequences
use crate::syntax_highlighting::highlights::Highlights;
use crate::{HlRange, HlTag};
-use syntax::ast::IsString;
-use syntax::TextSize;
+use syntax::ast::{Char, IsString};
+use syntax::{AstToken, TextRange, TextSize};
pub(super) fn highlight_escape_string<T: IsString>(
stack: &mut Highlights,
@@ -23,3 +23,23 @@ pub(super) fn highlight_escape_string<T: IsString>(
}
});
}
+
+pub(super) fn highlight_escape_char(stack: &mut Highlights, char: &Char, start: TextSize) {
+ if char.value().is_none() {
+ return;
+ }
+
+ let text = char.text();
+ if !text.starts_with('\'') || !text.ends_with('\'') {
+ return;
+ }
+
+ let text = &text[1..text.len() - 1];
+ if !text.starts_with('\\') {
+ return;
+ }
+
+ let range =
+ TextRange::new(start + TextSize::from(1), start + TextSize::from(text.len() as u32 + 1));
+ stack.add(HlRange { range, highlight: HlTag::EscapeSequence.into(), binding_hash: None })
+}