From ea21f56e45a00f7ed1d4d0ae4d7c7c216d4f030b Mon Sep 17 00:00:00 2001
From: Taritsyn <taritsyn@gmail.com>
Date: Thu, 12 Mar 2026 18:37:36 +0300
Subject: [PATCH] Make a `PreparedScriptBenchmark` class closer to the original

---
 Jint.Benchmark/PreparedScriptBenchmark.cs | 32 ++++++++++++++++-------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/Jint.Benchmark/PreparedScriptBenchmark.cs b/Jint.Benchmark/PreparedScriptBenchmark.cs
index f7bd91d8af..245ad931bc 100644
--- a/Jint.Benchmark/PreparedScriptBenchmark.cs
+++ b/Jint.Benchmark/PreparedScriptBenchmark.cs
@@ -12,7 +12,6 @@ namespace Jint.Benchmark;
 public class PreparedScriptBenchmark
 {
     private string _libraryCode = null!;
-    private Prepared<Script> _preparedLibrary;
     private ContentItem[] _contentItems = null!;
 
     [GlobalSetup]
@@ -21,7 +20,6 @@ public void Setup()
         var handlebars = File.ReadAllText("Scripts/template-rendering/lib/handlebars.js");
         var helpers = File.ReadAllText("Scripts/template-rendering/lib/helpers.js");
         _libraryCode = handlebars + "\n" + helpers;
-        _preparedLibrary = Engine.PrepareScript(_libraryCode);
 
         var contentDir = "Scripts/template-rendering/content";
         string[] names = ["hello-world", "contacts", "js-engines", "web-browser-family-tree"];
@@ -34,21 +32,35 @@ public void Setup()
     [Benchmark(Baseline = true)]
     public void ExecuteStringOnMultipleEngines()
     {
-        RenderTemplates(withPrecompilation: false);
+        RenderTemplates(prepareScript: false, compileRegex: false);
     }
 
     [Benchmark]
-    public void ExecutePreparedOnMultipleEngines()
+    public void ExecutePreparedWithoutRegexCompilationOnMultipleEngines()
     {
-        RenderTemplates(withPrecompilation: true);
+        RenderTemplates(prepareScript: true, compileRegex: false);
     }
 
-    private void RenderTemplates(bool withPrecompilation)
+    [Benchmark]
+    public void ExecutePreparedWithRegexCompilationOnMultipleEngines()
+    {
+        RenderTemplates(prepareScript: true, compileRegex: true);
+    }
+
+    private void RenderTemplates(bool prepareScript, bool compileRegex)
     {
         // First engine: load library and render first item
+        Prepared<Script> preparedLibrary = default;
         var engine = new Engine();
-        if (withPrecompilation)
-            engine.Execute(_preparedLibrary);
+        if (prepareScript)
+        {
+            var preparationOptions = new ScriptPreparationOptions
+            {
+                ParsingOptions = new ScriptParsingOptions { CompileRegex = compileRegex }
+            };
+            preparedLibrary = Engine.PrepareScript(_libraryCode, options: preparationOptions);
+            engine.Execute(preparedLibrary);
+        }
         else
             engine.Execute(_libraryCode);
 
@@ -58,8 +70,8 @@ private void RenderTemplates(bool withPrecompilation)
         for (int i = 1; i < _contentItems.Length; i++)
         {
             engine = new Engine();
-            if (withPrecompilation)
-                engine.Execute(_preparedLibrary);
+            if (prepareScript)
+                engine.Execute(preparedLibrary);
             else
                 engine.Execute(_libraryCode);