Flee

ExpressionElements/Literals/Real/Double.cs

@@ -0,0 +1,46 @@
+using System.Reflection.Emit;
+using Flee.ExpressionElements.Base.Literals;
+using Flee.InternalTypes;
+using Flee.PublicTypes;
+
+
+namespace Flee.ExpressionElements.Literals.Real
+{
+    internal class DoubleLiteralElement : RealLiteralElement
+    {
+        private readonly double _myValue;
+
+        private DoubleLiteralElement()
+        {
+        }
+
+        public DoubleLiteralElement(double value)
+        {
+            _myValue = value;
+        }
+
+        public static DoubleLiteralElement Parse(string image, IServiceProvider services)
+        {
+            ExpressionParserOptions options = (ExpressionParserOptions)services.GetService(typeof(ExpressionParserOptions));
+            DoubleLiteralElement element = new DoubleLiteralElement();
+
+            try
+            {
+                double value = options.ParseDouble(image);
+                return new DoubleLiteralElement(value);
+            }
+            catch (OverflowException ex)
+            {
+                element.OnParseOverflow(image);
+                return null;
+            }
+        }
+
+        public override void Emit(FleeILGenerator ilg, IServiceProvider services)
+        {
+            ilg.Emit(OpCodes.Ldc_R8, _myValue);
+        }
+
+        public override System.Type ResultType => typeof(double);
+    }
+}