Expressions can handle the Namespace 'System.DateTime', be aware of the difference between Property and Function

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/Src/Expressions/Irony/ReportingLanguageGrammer.cs

@@ -2,10 +2,8 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 using System;
 using ICSharpCode.Reporting.Expressions.Irony.Ast;
-using Irony;
 using Irony.Interpreter;
 using Irony.Interpreter.Ast;
-using Irony.Interpreter.Evaluator;
 using Irony.Parsing;
 
 namespace ICSharpCode.Reporting.Expressions.Irony

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/Src/Expressions/Irony/ReportingLanguageRuntime.cs

@@ -23,10 +23,12 @@ namespace ICSharpCode.Reporting.Expressions.Irony
 			//add built-in methods, special form IIF, import Math and Environment methods
 //			BuiltIns.AddMethod(BuiltInPrintMethod, "print");
 //			BuiltIns.AddMethod(BuiltInFormatMethod, "format");
-			
+	http://irony.codeplex.com/discussions/446823		
 			BuiltIns.AddSpecialForm(SpecialFormsLibrary.Iif, "iif", 3, 3);
 			BuiltIns.ImportStaticMembers(typeof(System.Math));
 			BuiltIns.ImportStaticMembers(typeof(Environment));
+			BuiltIns.ImportStaticMembers(typeof(System.DateTime));
+			//Aggregates
 			BuiltIns.AddSpecialForm(ImportAggregates.Sum,"sum",1,1);
 		}
 		

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/Test/ICSharpCode.Reporting.Test/ICSharpCode.Reporting.Test.csproj

@@ -69,6 +69,7 @@
     <Compile Include="src\Expressions\Aggregates\AggregateFuctionHelper.cs" />
     <Compile Include="src\Expressions\Aggregates\SumAggregate.cs" />
     <Compile Include="src\Expressions\IntegrationTests\AggregatesGroupesFixture.cs" />
+    <Compile Include="src\Expressions\IntegrationTests\DateTimeFixture.cs" />
     <Compile Include="src\Expressions\IntegrationTests\FieldsFixture.cs" />
     <Compile Include="src\Expressions\IntegrationTests\GlobalsFixture.cs" />
     <Compile Include="src\Expressions\IntegrationTests\StandardTests.cs" />

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/Test/ICSharpCode.Reporting.Test/src/Expressions/IntegrationTests/AggregatesGroupesFixture.cs

@@ -25,7 +25,6 @@ namespace ICSharpCode.Reporting.Test.Expressions.IntegrationTests
 		[Test]
 		public void SumGroupedList()
 		{
-//			visitor = new ExpressionVisitor(reportSettings,dataSource.GroupedList);
 			var visitor = new ExpressionVisitor (reportSettings);
 			visitor.SetCurrentDataSource(dataSource.GroupedList);
 			var script = "= sum('randomint')";
@@ -45,7 +44,6 @@ namespace ICSharpCode.Reporting.Test.Expressions.IntegrationTests
 			collection[0].Text = script;
 			container.ExportedItems.AddRange(collection);
 			
-//			visitor = new ExpressionVisitor(reportSettings,dataSource.GroupedList);
 			var visitor = new ExpressionVisitor (reportSettings);
 			visitor.SetCurrentDataSource(dataSource.GroupedList);
 			var group = dataSource.GroupedList.FirstOrDefault();
@@ -62,7 +60,7 @@ namespace ICSharpCode.Reporting.Test.Expressions.IntegrationTests
 		public void SumAllGroups () {
 			var container = new ExportContainer();
 			container.ExportedItems.AddRange(collection);
-//			visitor = new ExpressionVisitor(reportSettings,dataSource.GroupedList);
+
 			var visitor = new ExpressionVisitor (reportSettings);
 			visitor.SetCurrentDataSource(dataSource.GroupedList);
 			foreach (var group in dataSource.GroupedList) {

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/Test/ICSharpCode.Reporting.Test/src/Expressions/IntegrationTests/DateTimeFixture.cs

@@ -0,0 +1,74 @@
+/*
+ * Created by SharpDevelop.
+ * User: Peter Forstmeier
+ * Date: 26.01.2014
+ * Time: 18:10
+ * 
+ * To change this template use Tools | Options | Coding | Edit Standard Headers.
+ */
+using System;
+using NUnit.Framework;
+using System.Collections.ObjectModel;
+using ICSharpCode.Reporting.Exporter.Visitors;
+using ICSharpCode.Reporting.Items;
+using ICSharpCode.Reporting.PageBuilder.ExportColumns;
+
+namespace ICSharpCode.Reporting.Test.Expressions.IntegrationTests
+{
+	
+	[TestFixture]
+	public class DateTimeFixture
+	{
+		Collection<ExportText> collection;
+		ExpressionVisitor expressionVisitor;
+		
+		[Test]
+		public void CanHandleToday(){
+			
+			var script = "= Today.ToShortDateString()";
+			var resultColumn = Evaluate(script);
+			Assert.That(resultColumn.Text,Is.EqualTo(System.DateTime.Now.ToShortDateString()));
+		}
+		
+		[Test]
+		public void CanHandleDateAdd() {
+			var expected = DateTime.Today.AddDays(2).ToShortDateString();
+			var script = "=Today.AddDays(2).ToShortDateString()";
+			var resultColumn = Evaluate(script);
+			Assert.That(resultColumn.Text,Is.EqualTo(expected));
+		}
+
+		
+			
+		
+		[Test]
+		public void CanHandleDayOfWeek () {
+			var expected = DateTime.Today.Day.ToString();
+			var script ="=Today.Day";
+			var resultColumn = Evaluate(script);
+			Assert.That(resultColumn.Text,Is.EqualTo(expected));
+		}
+		
+		
+		ExportText Evaluate(string script)
+		{
+			collection[0].Text = script;
+			var exportContainer = new ExportContainer();
+			exportContainer.ExportedItems.Add(collection[0]);
+			expressionVisitor.Visit(exportContainer);
+			var resultColumn = (ExportText)exportContainer.ExportedItems[0];
+			return resultColumn;
+		}	
+		
+		
+		[SetUp]
+		public void CreateSut() {
+			collection = new Collection<ExportText>();
+			collection.Add(new ExportText()
+			               {
+			               	Text = String.Empty
+			               });
+			expressionVisitor = new ExpressionVisitor(new ReportSettings());
+		}
+	}
+}

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/Test/ICSharpCode.Reporting.Test/src/Expressions/IntegrationTests/StandardTests.cs

@@ -2,7 +2,6 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 using System;
 using System.Collections.ObjectModel;
-using ICSharpCode.Reporting.BaseClasses;
 using ICSharpCode.Reporting.Exporter.Visitors;
 using ICSharpCode.Reporting.Items;
 using ICSharpCode.Reporting.PageBuilder.ExportColumns;