release v5.4.0

Maksim Volkau · Maksim Volkau · commit 781e1fc979e1 · 2026-03-30T21:52:48.000+02:00
diff --git a/Directory.Build.props b/Directory.Build.props
@@ -1,7 +1,7 @@
 <Project>
     <PropertyGroup>
         <Authors>Maksim Volkau</Authors>
-        <Copyright>Copyright © 2016-2025 Maksim Volkau</Copyright>
+        <Copyright>Copyright © 2016-2026 Maksim Volkau</Copyright>
 
         <NeutralLanguage>en-US</NeutralLanguage>
         <LangVersion>latest</LangVersion>
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016-2025 Maksim Volkau
+Copyright (c) 2016-2026 Maksim Volkau
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
@@ -16,7 +16,7 @@
 [Apex.Serialization]: https://github.com/dbolin/Apex.Serialization
 [MapsterMapper]: https://github.com/MapsterMapper/Mapster 
 
-[![Latest Release Notes](https://img.shields.io/badge/latest%20release%20notes-v5.3.3-blue)](https://github.com/dadhi/FastExpressionCompiler/releases/tag/v5.3.3)[![License](https://img.shields.io/github/license/dadhi/FastExpressionCompiler.svg)](http://opensource.org/licenses/MIT)[![Build Windows,Ubuntu](https://github.com/dadhi/FastExpressionCompiler/actions/workflows/build.yml/badge.svg)](https://github.com/dadhi/FastExpressionCompiler/actions/workflows/build.yml)
+[![Latest Release Notes](https://img.shields.io/badge/latest%20release%20notes-v5.4.0-blue)](https://github.com/dadhi/FastExpressionCompiler/releases/tag/v5.4.0)[![License](https://img.shields.io/github/license/dadhi/FastExpressionCompiler.svg)](http://opensource.org/licenses/MIT)[![Build Windows,Ubuntu](https://github.com/dadhi/FastExpressionCompiler/actions/workflows/build.yml/badge.svg)](https://github.com/dadhi/FastExpressionCompiler/actions/workflows/build.yml)
 
 Targets .NET 6+, .NET 4.7.2+, .NET Standard 2.0+
 
diff --git a/nuspecs/FastExpressionCompiler.Internal.src.nuspec b/nuspecs/FastExpressionCompiler.Internal.src.nuspec
@@ -2,16 +2,41 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata minClientVersion="3.3.0">
         <id>FastExpressionCompiler.Internal.src</id>
-        <version>5.3.3</version>
+        <version>5.4.0</version>
         <authors>Maksim Volkau</authors>
-        <copyright>Copyright © 2016-2025 Maksim Volkau</copyright>
+        <copyright>Copyright © 2016-2026 Maksim Volkau</copyright>
         <projectUrl>https://github.com/dadhi/FastExpressionCompiler</projectUrl>
         <license type="expression">MIT</license>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <icon>logo.png</icon>
         <description>FastExpressionCompiler is 10-40x times faster than Expression.Compile()</description>
         <tags>Performance;Expression;ExpressionTree;Compile;DynamicMethod;IL;ILEmit;DryIoc;ExpressionToCodeLib</tags>
         <releaseNotes><![CDATA[
+## v5.4.0 Feature and bug-fix release
+
+### Features
+
+- #398 Optimize Switch with OpCodes.Switch  
+- #484 PrintIL options to output op-codes in the format directly copyable to AssertOpCodes method 
+- #482 [impl] Update to the modern optimized and fixed versions of ImTools SmallList and SmallMap
+
+### Fixes
+
+- Multiple fixes in `ToCSharpString`, `PrintCSharp`
+- #480 "CLR detected an invalid program" exception
+- #483 fix recursive PrintIL output for Label Offset and Argument Ordinal
+- #485 PrintCSharp for Switch does not prints "break" when required
+- #487 Fix ToCSharpString output for boolean equality expressions
+- #490 Regression in compiling lambdas with ref struct parameters
+- by [exyi](https://github.com/exyi) #491 Fix unsigned int to floating point number conversion
+- by [exyi](https://github.com/exyi) #493 Fix ParentFlags propagating in TryEmitNewExpression
+- #495 Incomplete pattern detection for error 1007: Return goto from TryCatch with Assign generates invalid IL instead of failing gracefully
+
+### Full Changelog
+
+https://github.com/dadhi/FastExpressionCompiler/compare/v5.3.3...v5.4.0
+
+
 ## v5.3.3 Bug-fix release (src packages only)
 
 - fixed: #488 Fix warnings in src package
diff --git a/nuspecs/FastExpressionCompiler.LightExpression.Internal.src.nuspec b/nuspecs/FastExpressionCompiler.LightExpression.Internal.src.nuspec
@@ -2,16 +2,41 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata minClientVersion="3.3.0">
         <id>FastExpressionCompiler.LightExpression.Internal.src</id>
-        <version>5.3.3</version>
+        <version>5.4.0</version>
         <authors>Maksim Volkau</authors>
-        <copyright>Copyright © 2016-2025 Maksim Volkau</copyright>
+        <copyright>Copyright © 2016-2026 Maksim Volkau</copyright>
         <projectUrl>https://github.com/dadhi/FastExpressionCompiler</projectUrl>
         <license type="expression">MIT</license>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <icon>logo.png</icon>
         <description>FastExpressionCompiler is 10-40x times faster than Expression.Compile()</description>
         <tags>Performance;Expression;ExpressionTree;Compile;DynamicMethod;IL;ILEmit;DryIoc;ExpressionToCodeLib</tags>
         <releaseNotes><![CDATA[
+## v5.4.0 Feature and bug-fix release
+
+### Features
+
+- #398 Optimize Switch with OpCodes.Switch  
+- #484 PrintIL options to output op-codes in the format directly copyable to AssertOpCodes method 
+- #482 [impl] Update to the modern optimized and fixed versions of ImTools SmallList and SmallMap
+
+### Fixes
+
+- Multiple fixes in `ToCSharpString`, `PrintCSharp`
+- #480 "CLR detected an invalid program" exception
+- #483 fix recursive PrintIL output for Label Offset and Argument Ordinal
+- #485 PrintCSharp for Switch does not prints "break" when required
+- #487 Fix ToCSharpString output for boolean equality expressions
+- #490 Regression in compiling lambdas with ref struct parameters
+- by [exyi](https://github.com/exyi) #491 Fix unsigned int to floating point number conversion
+- by [exyi](https://github.com/exyi) #493 Fix ParentFlags propagating in TryEmitNewExpression
+- #495 Incomplete pattern detection for error 1007: Return goto from TryCatch with Assign generates invalid IL instead of failing gracefully
+
+### Full Changelog
+
+https://github.com/dadhi/FastExpressionCompiler/compare/v5.3.3...v5.4.0
+
+
 ## v5.3.3 Bug-fix release (src packages only)
 
 - fixed: #488 Fix warnings in src package
diff --git a/nuspecs/FastExpressionCompiler.LightExpression.src.nuspec b/nuspecs/FastExpressionCompiler.LightExpression.src.nuspec
@@ -2,16 +2,41 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata minClientVersion="3.3.0">
         <id>FastExpressionCompiler.LightExpression.src</id>
-        <version>5.3.3</version>
+        <version>5.4.0</version>
         <authors>Maksim Volkau</authors>
-        <copyright>Copyright © 2016-2025 Maksim Volkau</copyright>
+        <copyright>Copyright © 2016-2026 Maksim Volkau</copyright>
         <projectUrl>https://github.com/dadhi/FastExpressionCompiler</projectUrl>
         <license type="expression">MIT</license>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <icon>logo.png</icon>
         <description>FastExpressionCompiler is 10-40x times faster than Expression.Compile()</description>
         <tags>Performance;Expression;ExpressionTree;Compile;DynamicMethod;IL;ILEmit;DryIoc;ExpressionToCodeLib</tags>
         <releaseNotes><![CDATA[
+## v5.4.0 Feature and bug-fix release
+
+### Features
+
+- #398 Optimize Switch with OpCodes.Switch  
+- #484 PrintIL options to output op-codes in the format directly copyable to AssertOpCodes method 
+- #482 [impl] Update to the modern optimized and fixed versions of ImTools SmallList and SmallMap
+
+### Fixes
+
+- Multiple fixes in `ToCSharpString`, `PrintCSharp`
+- #480 "CLR detected an invalid program" exception
+- #483 fix recursive PrintIL output for Label Offset and Argument Ordinal
+- #485 PrintCSharp for Switch does not prints "break" when required
+- #487 Fix ToCSharpString output for boolean equality expressions
+- #490 Regression in compiling lambdas with ref struct parameters
+- by [exyi](https://github.com/exyi) #491 Fix unsigned int to floating point number conversion
+- by [exyi](https://github.com/exyi) #493 Fix ParentFlags propagating in TryEmitNewExpression
+- #495 Incomplete pattern detection for error 1007: Return goto from TryCatch with Assign generates invalid IL instead of failing gracefully
+
+### Full Changelog
+
+https://github.com/dadhi/FastExpressionCompiler/compare/v5.3.3...v5.4.0
+
+
 ## v5.3.3 Bug-fix release (src packages only)
 
 - fixed: #488 Fix warnings in src package
diff --git a/nuspecs/FastExpressionCompiler.src.nuspec b/nuspecs/FastExpressionCompiler.src.nuspec
@@ -2,16 +2,41 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata minClientVersion="3.3.0">
         <id>FastExpressionCompiler.src</id>
-        <version>5.3.3</version>
+        <version>5.4.0</version>
         <authors>Maksim Volkau</authors>
-        <copyright>Copyright © 2016-2025 Maksim Volkau</copyright>
+        <copyright>Copyright © 2016-2026 Maksim Volkau</copyright>
         <projectUrl>https://github.com/dadhi/FastExpressionCompiler</projectUrl>
         <license type="expression">MIT</license>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>FastExpressionCompiler is 10-40x times faster than Expression.Compile()</description>
         <tags>Performance;Expression;ExpressionTree;Compile;DynamicMethod;IL;ILEmit;DryIoc;ExpressionToCodeLib</tags>
         <icon>logo.png</icon>
         <releaseNotes><![CDATA[
+## v5.4.0 Feature and bug-fix release
+
+### Features
+
+- #398 Optimize Switch with OpCodes.Switch  
+- #484 PrintIL options to output op-codes in the format directly copyable to AssertOpCodes method 
+- #482 [impl] Update to the modern optimized and fixed versions of ImTools SmallList and SmallMap
+
+### Fixes
+
+- Multiple fixes in `ToCSharpString`, `PrintCSharp`
+- #480 "CLR detected an invalid program" exception
+- #483 fix recursive PrintIL output for Label Offset and Argument Ordinal
+- #485 PrintCSharp for Switch does not prints "break" when required
+- #487 Fix ToCSharpString output for boolean equality expressions
+- #490 Regression in compiling lambdas with ref struct parameters
+- by [exyi](https://github.com/exyi) #491 Fix unsigned int to floating point number conversion
+- by [exyi](https://github.com/exyi) #493 Fix ParentFlags propagating in TryEmitNewExpression
+- #495 Incomplete pattern detection for error 1007: Return goto from TryCatch with Assign generates invalid IL instead of failing gracefully
+
+### Full Changelog
+
+https://github.com/dadhi/FastExpressionCompiler/compare/v5.3.3...v5.4.0
+
+
 ## v5.3.3 Bug-fix release (src packages only)
 
 - fixed: #488 Fix warnings in src package
diff --git a/src/FastExpressionCompiler.LightExpression/Expression.cs b/src/FastExpressionCompiler.LightExpression/Expression.cs
@@ -2,7 +2,7 @@
 /*
 The MIT License (MIT)
 
-Copyright (c) 2016-2025 Maksim Volkau
+Copyright (c) 2016-2026 Maksim Volkau
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/FastExpressionCompiler.LightExpression/ExpressionVisitor.cs b/src/FastExpressionCompiler.LightExpression/ExpressionVisitor.cs
@@ -2,7 +2,7 @@
 /*
 The MIT License (MIT)
 
-Copyright (c) 2016-2025 Maksim Volkau
+Copyright (c) 2016-2026 Maksim Volkau
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/FastExpressionCompiler.LightExpression/FastExpressionCompiler.LightExpression.csproj b/src/FastExpressionCompiler.LightExpression/FastExpressionCompiler.LightExpression.csproj
@@ -3,7 +3,7 @@
         <TargetFrameworks Condition="'$(DevMode)' != 'true'">net472;netstandard2.0;netstandard2.1;net6.0;net8.0;net9.0</TargetFrameworks>
         <TargetFrameworks Condition="'$(DevMode)' == 'true'">net472;net9.0</TargetFrameworks>
 
-        <VersionPrefix>5.3.0</VersionPrefix>
+        <VersionPrefix>5.4.0</VersionPrefix>
         <VersionSuffix></VersionSuffix>
 
         <Product>FastExpressionCompiler.LightExpression</Product>
@@ -13,6 +13,31 @@
         <Description>FastExpressionCompiler for LightExpression is 10-40x times faster than Expression.Compile()</Description>
         <PackageTags>Performance;Expression;ExpressionTree;Compile;DynamicMethod;IL;ILEmit;DryIoc;ExpressionToCodeLib</PackageTags>
         <PackageReleaseNotes><![CDATA[
+## v5.4.0 Feature and bug-fix release
+
+### Features
+
+- #398 Optimize Switch with OpCodes.Switch  
+- #484 PrintIL options to output op-codes in the format directly copyable to AssertOpCodes method 
+- #482 [impl] Update to the modern optimized and fixed versions of ImTools SmallList and SmallMap
+
+### Fixes
+
+- Multiple fixes in `ToCSharpString`, `PrintCSharp`
+- #480 "CLR detected an invalid program" exception
+- #483 fix recursive PrintIL output for Label Offset and Argument Ordinal
+- #485 PrintCSharp for Switch does not prints "break" when required
+- #487 Fix ToCSharpString output for boolean equality expressions
+- #490 Regression in compiling lambdas with ref struct parameters
+- by [exyi](https://github.com/exyi) #491 Fix unsigned int to floating point number conversion
+- by [exyi](https://github.com/exyi) #493 Fix ParentFlags propagating in TryEmitNewExpression
+- #495 Incomplete pattern detection for error 1007: Return goto from TryCatch with Assign generates invalid IL instead of failing gracefully
+
+### Full Changelog
+
+https://github.com/dadhi/FastExpressionCompiler/compare/v5.3.3...v5.4.0
+
+
 ## v5.3.0 Feature release
 
 - feat: [performance] Reuse the ILGenerator used by the nested lambda compilation 
diff --git a/src/FastExpressionCompiler/FastExpressionCompiler.cs b/src/FastExpressionCompiler/FastExpressionCompiler.cs
@@ -2,7 +2,7 @@
 /*
 The MIT License (MIT)
 
-Copyright (c) 2016-2025 Maksim Volkau
+Copyright (c) 2016-2026 Maksim Volkau
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/FastExpressionCompiler/FastExpressionCompiler.csproj b/src/FastExpressionCompiler/FastExpressionCompiler.csproj
@@ -3,7 +3,7 @@
         <TargetFrameworks Condition="'$(DevMode)' != 'true'">net472;netstandard2.0;netstandard2.1;net6.0;net8.0;net9.0</TargetFrameworks>
         <TargetFrameworks Condition="'$(DevMode)' == 'true'">net472;net9.0</TargetFrameworks>
 
-        <VersionPrefix>5.3.0</VersionPrefix>
+        <VersionPrefix>5.4.0</VersionPrefix>
         <VersionSuffix></VersionSuffix>
 
         <Product>FastExpressionCompiler</Product>
@@ -12,6 +12,31 @@
         <Description>FastExpressionCompiler 5. 10-40x times faster than Expression.Compile()</Description>
         <PackageTags>Performance;Expression;ExpressionTree;Compile;DynamicMethod;IL;ILEmit;DryIoc;ExpressionToCodeLib</PackageTags>
         <PackageReleaseNotes><![CDATA[
+## v5.4.0 Feature and bug-fix release
+
+### Features
+
+- #398 Optimize Switch with OpCodes.Switch  
+- #484 PrintIL options to output op-codes in the format directly copyable to AssertOpCodes method 
+- #482 [impl] Update to the modern optimized and fixed versions of ImTools SmallList and SmallMap
+
+### Fixes
+
+- Multiple fixes in `ToCSharpString`, `PrintCSharp`
+- #480 "CLR detected an invalid program" exception
+- #483 fix recursive PrintIL output for Label Offset and Argument Ordinal
+- #485 PrintCSharp for Switch does not prints "break" when required
+- #487 Fix ToCSharpString output for boolean equality expressions
+- #490 Regression in compiling lambdas with ref struct parameters
+- by [exyi](https://github.com/exyi) #491 Fix unsigned int to floating point number conversion
+- by [exyi](https://github.com/exyi) #493 Fix ParentFlags propagating in TryEmitNewExpression
+- #495 Incomplete pattern detection for error 1007: Return goto from TryCatch with Assign generates invalid IL instead of failing gracefully
+
+### Full Changelog
+
+https://github.com/dadhi/FastExpressionCompiler/compare/v5.3.3...v5.4.0
+
+
 ## v5.3.0 Feature release
 
 - feat: [performance] Reuse the ILGenerator used by the nested lambda compilation 
diff --git a/src/FastExpressionCompiler/ImTools.cs b/src/FastExpressionCompiler/ImTools.cs
@@ -2,7 +2,7 @@
 /*
 The MIT License (MIT)
 
-Copyright (c) 2016-2025 Maksim Volkau
+Copyright (c) 2016-2026 Maksim Volkau
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -1361,8 +1361,8 @@ public static ref V TryGetValueRef<K, V, TEq, TStackCap, TStackHashes, TStackEnt
 public struct SmallMap<K, TEntry, TEq, TStackCap, TStackHashes, TStackEntries, TEntries>
     where TEntry : struct, IEntry<K>
     where TEq : struct, IEq<K>
-    where TStackCap : struct, ISize2Plus
-    where TStackHashes : struct, IStack<int, TStackCap, TStackHashes> // todo: @simplify Can we combine TStackHashes and TStackEntries together in struct to simplify the generics
+    where TStackCap : struct, ISize2Plus // todo: @simplify Can we combine TStackCap, TStackHashes and TStackEntries together in struct to simplify the generics
+    where TStackHashes : struct, IStack<int, TStackCap, TStackHashes>
     where TStackEntries : struct, IStack<TEntry, TStackCap, TStackEntries>
     where TEntries : struct, IEntries<K, TEntry, TEq>
 {
