Custom Operators in progress

Author: Sébastien Geiser

CodingSeb.ExpressionEvaluator.Tests/CodingSeb.ExpressionEvaluator.Tests.csproj

@@ -36,6 +36,9 @@
     <Compile Update="TestsUtils\StructForTest2.cs">
       <SubType>Code</SubType>
     </Compile>
+    <Compile Update="TestsUtils\XExpressionEvaluator2.cs">
+      <SubType>Code</SubType>
+    </Compile>
     <Compile Update="TestsUtils\XExpressionEvaluator1.cs">
       <SubType>Code</SubType>
     </Compile>

CodingSeb.ExpressionEvaluator.Tests/TestsUtils/XExpressionEvaluator2.cs

@@ -0,0 +1,17 @@
+namespace CodingSeb.ExpressionEvaluator.Tests
+{
+    public class XExpressionEvaluator2 : ExpressionEvaluator
+    {
+        protected override void Init()
+        {
+            operatorsDictionary.Add("#", XExpressionOperator2.Sharp);
+            operatorsDictionary.Add("love", XExpressionOperator2.Love);
+        }
+    }
+
+    public class XExpressionOperator2 : ExpressionOperator
+    {
+        public static readonly ExpressionOperator Sharp = new XExpressionOperator2();
+        public static readonly ExpressionOperator Love = new XExpressionOperator2();
+    }
+}

CodingSeb.ExpressionEvaluator/ExpressionEvaluator.cs

@@ -2629,7 +2629,7 @@ protected virtual object ProcessStack(Stack<object> stack)
                     {
                         ExpressionOperator eOp = operatorEvalutationsDict.Keys.ToList()[opi];
 
-                        if ((list[i] as ExpressionOperator ) == eOp)
+                        if ((list[i] as ExpressionOperator) == eOp)
                         {
                             if (rightOperandOnlyOperatorsEvaluationDictionary.ContainsKey(eOp))
                             {
@@ -2648,7 +2648,7 @@ protected virtual object ProcessStack(Stack<object> stack)
                                 list[i] = operatorEvalutationsDict[eOp]((dynamic)list[i + 1], (dynamic)list[i - 1]);
                                 list.RemoveAt(i + 1);
                                 list.RemoveAt(i - 1);
-                                i -= 1;
+                                i--;
                                 break;
                             }
                         }
@@ -3372,11 +3372,6 @@ protected ExpressionOperator()
             OperatorValue = indexer;
         }
 
-        protected ExpressionOperator(uint value)
-        {
-            OperatorValue = value;
-        }
-
         protected uint OperatorValue { get; }
 
         public static readonly ExpressionOperator Plus = new ExpressionOperator();