From 2145e2d878fb3b8ffcaa4ab0858cab3a7a4324e0 Mon Sep 17 00:00:00 2001
From: Leander Tentrup <leander.tentrup@gmail.com>
Date: Wed, 17 Jun 2020 15:27:13 +0200
Subject: Syntax highlighting for escape sequences in strings

---
 crates/ra_ide/src/syntax_highlighting/html.rs  | 1 +
 crates/ra_ide/src/syntax_highlighting/tags.rs  | 2 ++
 crates/ra_ide/src/syntax_highlighting/tests.rs | 4 ++++
 3 files changed, 7 insertions(+)

(limited to 'crates/ra_ide/src/syntax_highlighting')

diff --git a/crates/ra_ide/src/syntax_highlighting/html.rs b/crates/ra_ide/src/syntax_highlighting/html.rs
index 853b4a20f..99b6b25ab 100644
--- a/crates/ra_ide/src/syntax_highlighting/html.rs
+++ b/crates/ra_ide/src/syntax_highlighting/html.rs
@@ -85,6 +85,7 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 .format_specifier   { color: #CC696B; }
 .mutable            { text-decoration: underline; }
 .unresolved_reference { color: #FC5555; }
+.escape_sequence    { color: #94BFF3; }
 
 .keyword            { color: #F0DFAF; font-weight: bold; }
 .keyword.unsafe     { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/syntax_highlighting/tags.rs b/crates/ra_ide/src/syntax_highlighting/tags.rs
index 94f466966..400d22fb6 100644
--- a/crates/ra_ide/src/syntax_highlighting/tags.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tags.rs
@@ -23,6 +23,7 @@ pub enum HighlightTag {
     Constant,
     Enum,
     EnumVariant,
+    EscapeSequence,
     Field,
     FormatSpecifier,
     Function,
@@ -71,6 +72,7 @@ impl HighlightTag {
             HighlightTag::Constant => "constant",
             HighlightTag::Enum => "enum",
             HighlightTag::EnumVariant => "enum_variant",
+            HighlightTag::EscapeSequence => "escape_sequence",
             HighlightTag::Field => "field",
             HighlightTag::FormatSpecifier => "format_specifier",
             HighlightTag::Function => "function",
diff --git a/crates/ra_ide/src/syntax_highlighting/tests.rs b/crates/ra_ide/src/syntax_highlighting/tests.rs
index ebf5b50ac..b4d56a7a0 100644
--- a/crates/ra_ide/src/syntax_highlighting/tests.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tests.rs
@@ -246,6 +246,10 @@ fn main() {
 
     println!(r"Hello, {}!", "world");
 
+    // escape sequences
+    println!("Hello\nWorld");
+    println!("\u{48}\x65\x6C\x6C\x6F World");
+
     println!("{\x41}", A = 92);
     println!("{ничоси}", ничоси = 92);
 }"#
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