SQLEditor: lots of stuff

Controls.SQLEditor/SQLSyntaxHighlightService.vb

@@ -15,8 +15,9 @@ Public Class SQLSyntaxHighlightService
     Private _keywords As Regex
     Private _quotedString As New Regex("'([^']|'')*'")
     Private _commentedString As New Regex("(/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+/)")
+    Private _placeholderString As New Regex("{#(\w+)#([\:\.\w\s_/-]+)}")
 
-    Private keywords As New List(Of String) From {
+    Private ReadOnly keywords As New List(Of String) From {
         "INSERT",
         "SELECT",
         "CREATE",
@@ -72,6 +73,14 @@ Public Class SQLSyntaxHighlightService
             End If
         Next j
 
+        'Find all placeholders
+        ranges = TryCast(document.FindAll(_placeholderString).GetAsFrozen(), DocumentRange())
+        For j As Integer = 0 To ranges.Length - 1
+            If Not IsRangeInTokens(ranges(j), tokens) Then
+                tokens.Add(CreateToken(ranges(j).Start.ToInt(), ranges(j).End.ToInt(), Color.DarkTurquoise))
+            End If
+        Next j
+
         'Find all comments
         ranges = TryCast(document.FindAll(_commentedString).GetAsFrozen(), DocumentRange())
         For j As Integer = 0 To ranges.Length - 1