Support raw strings in Rust lexer

Fixes #1398
rouge-ruby · Jan 20, 2020 · d521376 · d521376
1 parent a821e3f
commit d521376
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diff --git a/lib/rouge/lexers/rust.rb b/lib/rouge/lexers/rust.rb
@@ -159,6 +159,7 @@ def macro_closed?
         )x, Str::Char
 
         rule %r/"/, Str, :string
+        rule %r/r(#*)".*?"\1/m, Str
 
         # numbers
         dot = /[.][0-9_]+/

diff --git a/spec/visual/samples/rust b/spec/visual/samples/rust
@@ -30,6 +30,14 @@ println!("a\\");
 println!("a\n");
 println!("a\"b");
 println!("a\'");
+println!(r"");
+println!(r"\n\");
+println!(r#"a"b\"#);
+println!(r##"r#""#"##);
+println!(r###"r##"r#""#"##"###);
+println!(r#"
+  "New line in a raw string"
+"#);
 
 debug!("test %?", a.b);
 debug!("test %u", a.c);