From 3691c18668683a90c88681cc39079eb3d5b2e098 Mon Sep 17 00:00:00 2001
From: "CodeSmile-PC\\CodeSmile"
 <42713966+CodeSmile-0000011110110111@users.noreply.github.com>
Date: Wed, 9 Apr 2025 12:16:34 +0200
Subject: [PATCH 1/4] fix string.format not being culture invariant
 (https://github.com/nuskey8/Lua-CSharp/issues/116)

---
 src/Lua/Standard/StringLibrary.cs     | 9 ++++++++-
 tests/Lua.Tests/tests-lua/strings.lua | 3 +--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/Lua/Standard/StringLibrary.cs b/src/Lua/Standard/StringLibrary.cs
index 9eeb1bb1..a33f03db 100644
--- a/src/Lua/Standard/StringLibrary.cs
+++ b/src/Lua/Standard/StringLibrary.cs
@@ -1,5 +1,6 @@
 using System.Text;
 using Lua.Internal;
+using System.Globalization;
 
 namespace Lua.Standard;
 
@@ -148,6 +149,9 @@ public ValueTask<int> Find(LuaFunctionExecutionContext context, Memory<LuaValue>
 
     public async ValueTask<int> Format(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
     {
+        var currentCulture = CultureInfo.CurrentCulture;
+        CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;
+
         var format = context.GetArgument<string>(0);
 
         // TODO: pooling StringBuilder
@@ -419,6 +423,9 @@ public async ValueTask<int> Format(LuaFunctionExecutionContext context, Memory<L
 
 
         buffer.Span[0] = builder.ToString();
+
+        CultureInfo.CurrentCulture = currentCulture;
+
         return 1;
     }
 
@@ -629,4 +636,4 @@ public ValueTask<int> Upper(LuaFunctionExecutionContext context, Memory<LuaValue
         buffer.Span[0] = s.ToUpper();
         return new(1);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Lua.Tests/tests-lua/strings.lua b/tests/Lua.Tests/tests-lua/strings.lua
index fd13d450..f38c3681 100644
--- a/tests/Lua.Tests/tests-lua/strings.lua
+++ b/tests/Lua.Tests/tests-lua/strings.lua
@@ -133,6 +133,7 @@ assert(string.format("%c",34)..string.format("%c",48)..string.format("%c",90)..s
        string.format("%c%c%c%c", 34, 48, 90, 100))
 assert(string.format("%s\0 is not \0%s", 'not be', 'be') == 'not be\0 is not \0be')
 assert(string.format("%%%d %010d", 10, 23) == "%10 0000000023")
+print("10.3 as string is: " .. string.format("%f", 10.3) .. " and as number: " .. tostring(tonumber(string.format("%f", 10.3))))
 assert(tonumber(string.format("%f", 10.3)) == 10.3)
 x = string.format('"%-50s"', 'a')
 assert(#x == 52)
@@ -280,5 +281,3 @@ assert(os.setlocale(nil, "numeric") == 'C')
 end
 
 print('OK')
-
-

From a437914c3dbdc486e6c0ecf56ebeaec30e3d545e Mon Sep 17 00:00:00 2001
From: "CodeSmile-PC\\CodeSmile"
 <42713966+CodeSmile-0000011110110111@users.noreply.github.com>
Date: Wed, 9 Apr 2025 12:17:30 +0200
Subject: [PATCH 2/4] ignore Rider's .idea folder

---
 .gitignore | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 496ee2ca..af56f610 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.DS_Store
\ No newline at end of file
+.DS_Store
+.idea/

From 4bec342b49042e4181d62188368ce075897a83d3 Mon Sep 17 00:00:00 2001
From: "CodeSmile-PC\\CodeSmile"
 <42713966+CodeSmile-0000011110110111@users.noreply.github.com>
Date: Fri, 11 Apr 2025 11:30:47 +0200
Subject: [PATCH 3/4] safeguard traceback against indexoutofrange

---
 src/Lua/Runtime/Tracebacks.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Lua/Runtime/Tracebacks.cs b/src/Lua/Runtime/Tracebacks.cs
index 2a97ea19..20732b8b 100644
--- a/src/Lua/Runtime/Tracebacks.cs
+++ b/src/Lua/Runtime/Tracebacks.cs
@@ -24,7 +24,8 @@ internal SourcePosition LastPosition
                 if (lastFunc is Closure closure)
                 {
                     var p = closure.Proto;
-                    return p.SourcePositions[frame.CallerInstructionIndex];
+                    if (frame.CallerInstructionIndex < p.SourcePositions.Length)
+                        return p.SourcePositions[frame.CallerInstructionIndex];
                 }
             }
 
@@ -66,4 +67,4 @@ public override string ToString()
 
         return list.AsSpan().ToString();
     }
-}
\ No newline at end of file
+}

From 6c0fbb8d7c830eb20f187f683611d948b374fe57 Mon Sep 17 00:00:00 2001
From: "CodeSmile-PC\\CodeSmile"
 <42713966+CodeSmile-0000011110110111@users.noreply.github.com>
Date: Fri, 11 Apr 2025 18:39:06 +0200
Subject: [PATCH 4/4] add LuaFunction name setter - this may help debugging

---
 src/Lua/LuaFunction.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Lua/LuaFunction.cs b/src/Lua/LuaFunction.cs
index 2c1fae5a..6ebaf5db 100644
--- a/src/Lua/LuaFunction.cs
+++ b/src/Lua/LuaFunction.cs
@@ -5,7 +5,7 @@ namespace Lua;
 
 public class LuaFunction(string name, Func<LuaFunctionExecutionContext, Memory<LuaValue>, CancellationToken, ValueTask<int>> func)
 {
-    public string Name { get; } = name;
+    public string Name { get; set; } = name;
     internal Func<LuaFunctionExecutionContext, Memory<LuaValue>, CancellationToken, ValueTask<int>> Func { get; } = func;
 
     public LuaFunction(Func<LuaFunctionExecutionContext, Memory<LuaValue>, CancellationToken, ValueTask<int>> func) : this("anonymous", func)
@@ -31,4 +31,4 @@ public async ValueTask<int> InvokeAsync(LuaFunctionExecutionContext context, Mem
             context.Thread.PopCallStackFrame();
         }
     }
-}
\ No newline at end of file
+}