Highlight trailing semicolons as invalid.deprecated

Author: 1st1

grammars/MagicPython.cson

@@ -45,6 +45,16 @@ repository:
       {
         include: "#docstring-statement"
       }
+      {
+        include: "#semicolon"
+      }
+    ]
+  semicolon:
+    patterns: [
+      {
+        name: "invalid.deprecated.semicolon.python"
+        match: "\\;$"
+      }
     ]
   comments:
     patterns: [

grammars/MagicPython.tmLanguage

@@ -66,6 +66,22 @@
             <key>include</key>
             <string>#docstring-statement</string>
           </dict>
+          <dict>
+            <key>include</key>
+            <string>#semicolon</string>
+          </dict>
+        </array>
+      </dict>
+      <key>semicolon</key>
+      <dict>
+        <key>patterns</key>
+        <array>
+          <dict>
+            <key>name</key>
+            <string>invalid.deprecated.semicolon.python</string>
+            <key>match</key>
+            <string>\;$</string>
+          </dict>
         </array>
       </dict>
       <key>comments</key>

grammars/src/MagicPython.syntax.yaml

@@ -77,6 +77,12 @@ repository:
       - include: '#assignment-operator'
       - include: '#decorator'
       - include: '#docstring-statement'
+      - include: '#semicolon'
+
+  semicolon:
+    patterns:
+      - name: invalid.deprecated.semicolon.python
+        match: '\;$'
 
   comments:
     patterns:

misc/scopes

@@ -29,6 +29,7 @@ entity.name.type.class.python
 entity.other.inherited-class.python
 invalid.deprecated.backtick.python
 invalid.deprecated.prefix.python
+invalid.deprecated.semicolon.python
 invalid.illegal.annotation.python
 invalid.illegal.dec.python
 invalid.illegal.decorator.python

test/semicolon/semi1.py

@@ -0,0 +1,13 @@
+a;
+;
+a=1; b
+
+
+
+a             : source.python
+;             : invalid.deprecated.semicolon.python, source.python
+;             : invalid.deprecated.semicolon.python, source.python
+a             : source.python
+=             : keyword.operator.assignment.python, source.python
+1             : constant.numeric.dec.python, source.python
+; b           : source.python