Release v1.1.1 (#40)

- Update Nugets
- Update to use the variable list for `ForExpression`

* Previous version was 'v1.1.0'. Version now 'v1.1.1'.

---------

Co-authored-by: Brenton Farmer <brent.farmer@wagglebee.net>
Co-authored-by: MattEdwardsWaggleBee <MattEdwardsWaggleBee@users.noreply.github.com>

Author: MattEdwardsWaggleBee

Directory.Build.props

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <MajorVersion>1</MajorVersion>
     <MinorVersion>1</MinorVersion>
-    <PatchVersion>0</PatchVersion>
+    <PatchVersion>1</PatchVersion>
   </PropertyGroup>
   <!-- Disable automatic package publishing -->
   <PropertyGroup>

src/Hyperbee.Expressions/ForExpression.cs

@@ -1,9 +1,11 @@
-using System.Linq.Expressions;
+using System.Collections.ObjectModel;
+using System.Linq.Expressions;
 
 namespace Hyperbee.Expressions;
 
 public class ForExpression : Expression
 {
+    public IEnumerable<ParameterExpression> Variables { get; }
     public Expression Initialization { get; }
     public Expression Test { get; }
     public Expression Iteration { get; }
@@ -12,33 +14,36 @@ public class ForExpression : Expression
     public LabelTarget BreakLabel { get; } = Label( "break" );
     public LabelTarget ContinueLabel { get; } = Label( "continue" );
 
-    internal ForExpression( Expression initialization, Expression test, Expression iteration, Expression body )
+    internal ForExpression( IEnumerable<ParameterExpression> variables, Expression initialization, Expression test, Expression iteration, Expression body )
     {
         ThrowIfInvalid( test, body );
 
+        Variables = variables;
         Initialization = initialization;
         Test = test;
         Iteration = iteration;
         Body = body;
     }
 
-    internal ForExpression( Expression initialization, Expression test, Expression iteration, LoopBody body )
+    internal ForExpression( IEnumerable<ParameterExpression> variables, Expression initialization, Expression test, Expression iteration, LoopBody body )
     {
         ThrowIfInvalid( test, body );
 
+        Variables = variables;
         Initialization = initialization;
         Test = test;
         Iteration = iteration;
         Body = body( BreakLabel, ContinueLabel );
     }
 
-    internal ForExpression( Expression initialization, Expression test, Expression iteration, Expression body, LabelTarget breakLabel, LabelTarget continueLabel )
+    internal ForExpression( IEnumerable<ParameterExpression> variables, Expression initialization, Expression test, Expression iteration, Expression body, LabelTarget breakLabel, LabelTarget continueLabel )
     {
         ThrowIfInvalid( test, body );
 
         ArgumentNullException.ThrowIfNull( breakLabel, nameof( breakLabel ) );
         ArgumentNullException.ThrowIfNull( continueLabel, nameof( continueLabel ) );
 
+        Variables = variables;
         Initialization = initialization;
         Test = test;
         Iteration = iteration;
@@ -64,6 +69,7 @@ private static void ThrowIfInvalid( Expression test, object body )
     public override Expression Reduce()
     {
         return Block(
+            Variables,
             Initialization,
             Loop(
                 IfThenElse(
@@ -82,33 +88,80 @@ public override Expression Reduce()
 
     protected override Expression VisitChildren( ExpressionVisitor visitor )
     {
+        var newVariables = VisitCollection( visitor, Variables.ToArray() );
         var newInitialization = visitor.Visit( Initialization );
         var newTest = visitor.Visit( Test );
         var newIteration = visitor.Visit( Iteration );
         var newBody = visitor.Visit( Body );
 
-        if ( newInitialization == Initialization && newTest == Test && newIteration == Iteration && newBody == Body )
+        if ( newVariables == Variables && newInitialization == Initialization && newTest == Test && newIteration == Iteration && newBody == Body )
             return this;
 
-        return new ForExpression( newInitialization, newTest, newIteration, newBody, BreakLabel, ContinueLabel );
+        return new ForExpression( newVariables, newInitialization, newTest, newIteration, newBody, BreakLabel, ContinueLabel );
 
     }
+
+    private static IEnumerable<T> VisitCollection<T>( ExpressionVisitor visitor, T[] nodes ) where T : Expression
+    {
+        T[] newNodes = null;
+
+        for ( int i = 0, n = nodes.Length; i < n; i++ )
+        {
+            var node = visitor.Visit( nodes[i] );
+
+            if ( newNodes != null )
+            {
+                newNodes[i] = (T) node;
+            }
+            else if ( !ReferenceEquals( node, nodes[i] ) )
+            {
+                newNodes = new T[n];
+                for ( int j = 0; j < i; j++ )
+                {
+                    newNodes[j] = nodes[j];
+                }
+                newNodes[i] = (T) node;
+            }
+        }
+
+        if ( newNodes == null )
+        {
+            return nodes;
+        }
+
+        return newNodes;
+    }
 }
 
 public static partial class ExpressionExtensions
 {
     public static ForExpression For( Expression initialization, Expression test, Expression iteration, Expression body )
     {
-        return new ForExpression( initialization, test, iteration, body );
+        return new ForExpression( [], initialization, test, iteration, body );
     }
 
     public static ForExpression For( Expression initialization, Expression test, Expression iteration, Expression body, LabelTarget breakLabel, LabelTarget continueLabel )
     {
-        return new ForExpression( initialization, test, iteration, body, breakLabel, continueLabel );
+        return new ForExpression( [], initialization, test, iteration, body, breakLabel, continueLabel );
     }
 
     public static ForExpression For( Expression initialization, Expression test, Expression iteration, LoopBody body )
     {
-        return new ForExpression( initialization, test, iteration, body );
+        return new ForExpression( [], initialization, test, iteration, body );
+    }
+
+    public static ForExpression For( IEnumerable<ParameterExpression> variables, Expression initialization, Expression test, Expression iteration, Expression body )
+    {
+        return new ForExpression( variables, initialization, test, iteration, body );
+    }
+
+    public static ForExpression For( IEnumerable<ParameterExpression> variables, Expression initialization, Expression test, Expression iteration, Expression body, LabelTarget breakLabel, LabelTarget continueLabel )
+    {
+        return new ForExpression( variables, initialization, test, iteration, body, breakLabel, continueLabel );
+    }
+
+    public static ForExpression For( IEnumerable<ParameterExpression> variables, Expression initialization, Expression test, Expression iteration, LoopBody body )
+    {
+        return new ForExpression( variables, initialization, test, iteration, body );
     }
 }

test/Hyperbee.Expressions.Benchmark/Hyperbee.Expressions.Benchmark.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
-    <PackageReference Include="DotNext.Metaprogramming" Version="5.16.1" />
+    <PackageReference Include="DotNext.Metaprogramming" Version="5.17.2" />
     <PackageReference Include="FastExpressionCompiler" Version="5.0.1" />
   </ItemGroup>
 

test/Hyperbee.Expressions.Tests/BlockAsyncBasicTests.cs

@@ -493,10 +493,10 @@ public async Task BlockAsync_ShouldAllowParallelBlocks_WithTaskWhenAll( Complete
         var iteration = PostIncrementAssign( i );
 
         var block = BlockAsync(
-            [tracker, tasks, i],
+            [tracker, tasks],
             Assign( tracker, NewArrayBounds( typeof( int ), Constant( 5 ) ) ),
             Assign( tasks, New( typeof( List<Task> ).GetConstructors()[0] ) ),
-            For( initIncrement, condition, iteration,
+            For( [i], initIncrement, condition, iteration,
                 Block(
                     [temp],
                     Assign( temp, i ),

test/Hyperbee.Expressions.Tests/Hyperbee.Expressions.Tests.csproj

@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
+    <PackageReference Include="coverlet.collector" Version="6.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>