SubExpressions evaluation ok + Tests

Author: codingseb

CodingSeb.ExpressionEvaluator.Tests/ExpressionEvaluatorTests.cs

@@ -2064,5 +2064,26 @@ public object EvaluateWithSpecificEvaluator(ExpressionEvaluator evaluator, strin
         }
 
         #endregion
+
+        #region With SubExpressions variables
+
+        [Test]
+        public void EvaluateWithSubExpressionsVariables()
+        {
+            ExpressionEvaluator evaluator = new ExpressionEvaluator();
+
+            evaluator.Variables["a"] = 1;
+            evaluator.Variables["b"] = 2;
+            evaluator.Variables["c"] = new SubExpression("a+b");
+            evaluator.Variables["d"] = new SubExpression("c+3");
+
+            evaluator.Evaluate("a").ShouldBe(1);
+            evaluator.Evaluate("b").ShouldBe(2);
+            evaluator.Evaluate("c").ShouldBe(3);
+            evaluator.Evaluate("d").ShouldBe(6);
+            evaluator.Evaluate("d-a").ShouldBe(5);
+        }
+
+        #endregion
     }
 }

CodingSeb.ExpressionEvaluator/ExpressionEvaluator.cs

@@ -1,6 +1,6 @@
 /******************************************************************************************************
     Title : ExpressionEvaluator (https://github.com/codingseb/ExpressionEvaluator)
-    Version : 1.4.8.1 
+    Version : 1.4.8.2 
     (if last digit (the forth) is not a zero, the version is an intermediate version and can be unstable)
 
     Author : Coding Seb
@@ -2751,6 +2751,7 @@ protected virtual object ProcessStack(Stack<object> stack)
         {
             List<object> list = stack
                 .Select(e => e is ValueTypeNestingTrace valueTypeNestingTrace ? valueTypeNestingTrace.Value : e)
+                .Select(e => e is SubExpression subExpression ? Evaluate(subExpression.Expression) : e)
                 .ToList();
 
             OperatorsEvaluations.ToList().ForEach((IDictionary<ExpressionOperator, Func<dynamic, dynamic, object>> operatorEvalutationsDict) =>