1 files changed, 15 insertions, 0 deletions
diff --git a/components/script/dom/validitystate.rs b/components/script/dom/validitystate.rs
index 938320b7254..6bd7061e0ec 100644..100755
--- a/components/script/dom/validitystate.rs
+++ b/components/script/dom/validitystate.rs
@@ -26,6 +26,21 @@ pub enum ValidityStatus {
     Valid
 }
 
+bitflags!{
+    pub flags ValidationFlags: u32 {
+        const VALUE_MISSING    = 0b0000000001,
+        const TYPE_MISMATCH    = 0b0000000010,
+        const PATTERN_MISMATCH = 0b0000000100,
+        const TOO_LONG         = 0b0000001000,
+        const TOO_SHORT        = 0b0000010000,
+        const RANGE_UNDERFLOW  = 0b0000100000,
+        const RANGE_OVERFLOW   = 0b0001000000,
+        const STEP_MISMATCH    = 0b0010000000,
+        const BAD_INPUT        = 0b0100000000,
+        const CUSTOM_ERROR     = 0b1000000000,
+    }
+}
+
 // https://html.spec.whatwg.org/multipage/#validitystate
 #[dom_struct]
 pub struct ValidityState {