Syntax: Support break/continue labels. (rust-lang#302)

Author: ehuss

RustEnhanced.sublime-syntax

@@ -28,7 +28,7 @@ contexts:
     - match: ';'
       scope: punctuation.terminator
 
-    - match: '''({{identifier}})\s*(:)'
+    - match: '(''{{identifier}})\s*(:)'
       captures:
         1: entity.name.label.rust
         2: punctuation.separator.rust
@@ -138,9 +138,14 @@ contexts:
     - match: \b(crate|extern|use|where)\b
       scope: keyword.other.rust
 
-    - match: \b(break|else|for|if|loop|match|while|continue|yield)\b
+    - match: \b(else|for|if|loop|match|while|yield)\b
       scope: keyword.control.rust
 
+    - match: '\b(break|continue)(?:\s+(''{{identifier}}))?'
+      captures:
+        1: keyword.control.rust
+        2: entity.name.label.rust
+
     - match: \breturn\b
       scope: keyword.control.rust
 

syntax_test_rust.rs

@@ -619,6 +619,23 @@ let big_n =
     }
 }
 
+'label1: for _ in 0..100 {
+    'label2 : loop {
+//  ^^^^^^^ entity.name.label
+//          ^ punctuation.separator.rust
+        'label3: while true {
+//      ^^^^^^^ entity.name.label
+//             ^ punctuation.separator
+            break 'label2;
+//                ^^^^^^^ entity.name.label
+//                       ^ punctuation.terminator
+        }
+        continue 'label1;
+//               ^^^^^^^ entity.name.label
+//                      ^ punctuation.terminator
+    }
+}
+
 while n < 50 {
 //^^^ keyword.control
     n = n * 2;