OLD type

src/scanner.cc

Index: src/scanner.cc
diff --git a/src/scanner.cc b/src/scanner.cc
index a2ca30a9be5df0b08eede51835eb506ff78752a1..1fa8db36eaebf5dfa82b865334a701d619eba390 100644
--- a/src/scanner.cc
+++ b/src/scanner.cc
@@ -1424,6 +1424,16 @@ const AstRawString* Scanner::CurrentRawSymbol(
 }
 
 
+bool Scanner::IsFloat() {
+  Vector<const uint8_t> literal_string = literal_one_byte_string();
+  for (int i = 0; i < literal_string.length(); ++i) {
+    if (literal_string[i] == '.')
+      return true;
+  }
+  return false;
+}
+
+
 double Scanner::DoubleValue() {
   DCHECK(is_literal_one_byte());
   return StringToDouble(