├── .gitignore ├── LICENSE ├── README.md ├── WrenSharp.Core.Shared ├── IWrenErrorOutput.cs ├── IWrenForeign.cs ├── IWrenModuleProvider.cs ├── IWrenModuleResolver.cs ├── IWrenSource.cs ├── IWrenVMWithForeign.cs ├── IWrenWriteOutput.cs ├── Internal │ ├── ForeignLookup.cs │ ├── InternalWrenHandle.cs │ ├── StringBuilderCache.cs │ ├── Utf8StringBuilder.cs │ └── WrenInternal.cs ├── Memory │ ├── HGlobalAllocator.cs │ └── IAllocator.cs ├── Reflection │ ├── WrenAttribute.cs │ ├── WrenCallHandleAttribute.cs │ ├── WrenEnumAttribute.cs │ ├── WrenIgnoreAttribute.cs │ ├── WrenInitializeAttribute.cs │ ├── WrenOrderedAttribute.cs │ ├── WrenPropertyAttribute.cs │ ├── WrenReflection.cs │ └── WrenVariableHandleAttribute.cs ├── Sources │ ├── WrenFileSource.cs │ ├── WrenStringBuilderSource.cs │ └── WrenStringSource.cs ├── WrenCall.cs ├── WrenCallContext.cs ├── WrenCallHandle.cs ├── WrenError.cs ├── WrenExceptions.cs ├── WrenFn.cs ├── WrenHandle.cs ├── WrenList.Ext.cs ├── WrenList.cs ├── WrenMap.Ext.cs ├── WrenMap.cs ├── WrenSharedData.cs ├── WrenSharedDataHandle.cs ├── WrenSharp.Core.Shared.projitems ├── WrenSharp.Core.Shared.shproj ├── WrenSharpConfiguration.cs ├── WrenSlot.Ext.cs ├── WrenSlot.cs ├── WrenSlots.Ext.cs ├── WrenSlots.cs ├── WrenUnsafeExtensions.cs ├── WrenUtils.cs ├── WrenVM.ApiSlots.cs ├── WrenVM.ApiUserData.cs ├── WrenVM.ApiVariables.cs ├── WrenVM.Ext.cs ├── WrenVM.cs └── WrenVMConfiguration.cs ├── WrenSharp.Core.Templates ├── WrenList.cs ├── WrenList.tt ├── WrenMap.cs ├── WrenMap.tt └── WrenSharp.Core.Templates.csproj ├── WrenSharp.Lib.NetStandard ├── Unsafe │ └── WrenMethod.cs ├── Wren.cs ├── WrenSharp.Lib.NetStandard.csproj ├── wren.dll ├── wren.exp └── wren.lib ├── WrenSharp.Lib.Shared ├── StringBuilderCache.cs ├── Unsafe │ ├── UnsafeUtils.cs │ ├── WrenCallContextUnsafeExtensions.cs │ ├── WrenClass.cs │ ├── WrenForeign.cs │ ├── WrenInstance.cs │ ├── WrenInternalTypes.cs │ ├── WrenNativeHandle.cs │ ├── WrenNativeList.cs │ ├── WrenNativeMap.cs │ ├── WrenObjType.cs │ ├── WrenObject.cs │ ├── WrenObjectType.cs │ ├── WrenString.cs │ └── WrenValue.cs ├── Wren.cs ├── WrenErrorType.cs ├── WrenInterpretResult.cs ├── WrenNativeTypes.cs ├── WrenSharp.Lib.Shared.projitems ├── WrenSharp.Lib.Shared.shproj └── WrenType.cs ├── WrenSharp.Lib.Unity ├── Unsafe │ └── WrenMethod.cs ├── Wren.cs ├── WrenSharp.Lib.Unity.csproj ├── wren_unity.dll └── wren_unity.exp ├── WrenSharp.Tests ├── SharedDataTests.cs ├── Usings.cs ├── WrenSharp.Tests.csproj └── WrenSharpVMTests.cs ├── WrenSharp.Unity.Project ├── .gitignore ├── .vsconfig ├── Assets │ ├── FiraCode-Medium.ttf │ ├── Scenes │ │ └── WrenREPL.unity │ └── WrenREPL.cs ├── Packages │ ├── com.deadreckoned.wrensharp │ │ ├── Assemblies.meta │ │ ├── Assemblies │ │ │ ├── WrenSharp.Unity.dll │ │ │ ├── WrenSharp.Unity.dll.meta │ │ │ ├── WrenSharp.Unity.xml │ │ │ └── WrenSharp.Unity.xml.meta │ │ ├── Plugins.meta │ │ ├── Plugins │ │ │ ├── Wren.meta │ │ │ └── Wren │ │ │ │ ├── Internal.meta │ │ │ │ ├── Internal │ │ │ │ ├── netstandard2.1.meta │ │ │ │ └── netstandard2.1 │ │ │ │ │ ├── WrenSharp.Lib.Unity.dll │ │ │ │ │ └── WrenSharp.Lib.Unity.dll.meta │ │ │ │ ├── netstandard2.1.meta │ │ │ │ ├── netstandard2.1 │ │ │ │ ├── WrenSharp.Lib.Unity.dll │ │ │ │ └── WrenSharp.Lib.Unity.dll.meta │ │ │ │ ├── wren_unity.dll │ │ │ │ └── wren_unity.dll.meta │ │ ├── package.json │ │ └── package.json.meta │ ├── manifest.json │ └── packages-lock.json └── ProjectSettings │ ├── AudioManager.asset │ ├── ClusterInputManager.asset │ ├── DynamicsManager.asset │ ├── EditorBuildSettings.asset │ ├── EditorSettings.asset │ ├── GraphicsSettings.asset │ ├── InputManager.asset │ ├── MemorySettings.asset │ ├── NavMeshAreas.asset │ ├── PackageManagerSettings.asset │ ├── Physics2DSettings.asset │ ├── PresetManager.asset │ ├── ProjectSettings.asset │ ├── ProjectVersion.txt │ ├── QualitySettings.asset │ ├── SceneTemplateSettings.json │ ├── TagManager.asset │ ├── TimeManager.asset │ ├── UnityConnectSettings.asset │ ├── VFXManager.asset │ ├── VersionControlSettings.asset │ └── XRSettings.asset ├── WrenSharp.Unity ├── .gitignore ├── AssemblyInfo.cs ├── Package ├── Sources │ └── WrenTextAssetSource.cs ├── UnityWrenDebugOutput.cs ├── UnityWrenForeign.cs ├── UnityWrenVM.cs ├── WrenSharp.Unity.csproj └── WrenVMConfiguration.cs ├── WrenSharp.sln └── WrenSharp ├── AssemblyInfo.cs ├── WrenConsoleOutput.cs ├── WrenForeign.cs ├── WrenSharp.csproj ├── WrenSharpVM.cs └── WrenVMConfiguration.cs /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2022 Steve Woolcock 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/IWrenErrorOutput.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// An interface for implementing Wren error callbacks. 5 | /// 6 | public interface IWrenErrorOutput 7 | { 8 | void OutputError(WrenVM vm, WrenErrorType errorType, string module, int lineNumber, string message); 9 | } 10 | 11 | /// 12 | /// A wrapper class for delegates that match the 13 | /// signature. 14 | /// 15 | public class WrenDelegateErrorOutput : IWrenErrorOutput 16 | { 17 | public delegate void Callback(WrenVM vm, WrenErrorType errorType, string module, int lineNumber, string message); 18 | 19 | private Callback m_Callback; 20 | 21 | public WrenDelegateErrorOutput(Callback callback) 22 | { 23 | m_Callback = callback; 24 | } 25 | 26 | void IWrenErrorOutput.OutputError(WrenVM vm, WrenErrorType errorType, string module, int lineNumber, string message) 27 | { 28 | m_Callback(vm, errorType, module, lineNumber, message); 29 | } 30 | 31 | public static explicit operator WrenDelegateErrorOutput(Callback callback) => new WrenDelegateErrorOutput(callback); 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/IWrenModuleProvider.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// An interface for implementing module importing functionality for a . 5 | /// 6 | public interface IWrenModuleProvider 7 | { 8 | /// 9 | /// Provides an instance that contains the Wren source for the given module. 10 | /// 11 | /// The VM context of the request. 12 | /// The name of the module to retrieve. 13 | /// An instance. 14 | IWrenSource GetModuleSource(WrenVM vm, string module); 15 | 16 | /// 17 | /// The callback to execute when a module has been loaded by a VM. The of the module 18 | /// is provided so that any unmanaged resources that it may have acquired to load the module can freed. 19 | /// 20 | /// The VM the module was loaded into. 21 | /// The name of the module that was loaded. 22 | /// The instance that was loaded. 23 | void OnModuleLoadComplete(WrenVM vm, string module, IWrenSource source); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/IWrenModuleResolver.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// An interface for implementing module name resolution for a . 5 | /// This allows for mapping of one module name to another for the purposes of path resolution, aliasing, etc. 6 | /// 7 | public interface IWrenModuleResolver 8 | { 9 | /// 10 | /// Returns the resolved name of the module , which is being imported 11 | /// within by the module . 12 | /// 13 | /// 14 | /// 15 | /// 16 | /// The resolved name of the module. 17 | string ResolveModule(WrenVM vm, string importer, string name); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/IWrenSource.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp 4 | { 5 | /// 6 | /// An interface representing a Wren source provider. instances 7 | /// can be passed into the Wren VM to be interpreted, and are also returned by 8 | /// instances when module source is requested. 9 | /// 10 | public interface IWrenSource : IDisposable 11 | { 12 | /// 13 | /// Get a pointer to the bytes containing the Wren script source that can be passed 14 | /// to the native Wren VM. 15 | /// 16 | /// The number of bytes in the source. 17 | /// A pointer to the source bytes. 18 | IntPtr GetSourceBytes(out int byteCount); 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/IWrenVMWithForeign.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// An interface describing the contact that must be implemented by types 5 | /// that provide access to instances. 6 | /// 7 | public interface IWrenVMWithForeign 8 | { 9 | /// 10 | /// Gets an object for building foreign classes and methods. 11 | /// 12 | /// The Wren module name. 13 | /// The Wren class name. 14 | /// The instance for the supplied class. 15 | IWrenForeign Foreign(string moduleName, string className); 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/IWrenWriteOutput.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// An interface for implementing Wren write callbacks. 5 | /// 6 | public interface IWrenWriteOutput 7 | { 8 | void OutputWrite(WrenVM vm, string text); 9 | } 10 | 11 | public class WrenDelegateWriteOutput : IWrenWriteOutput 12 | { 13 | public delegate void Callback(WrenVM vm, string text); 14 | 15 | private Callback m_Callback; 16 | 17 | public WrenDelegateWriteOutput(Callback callback) 18 | { 19 | m_Callback = callback; 20 | } 21 | 22 | void IWrenWriteOutput.OutputWrite(WrenVM vm, string text) 23 | { 24 | m_Callback(vm, text); 25 | } 26 | 27 | public static explicit operator WrenDelegateWriteOutput(Callback callback) => new WrenDelegateWriteOutput(callback); 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Internal/ForeignLookup.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | 4 | namespace WrenSharp.Native 5 | { 6 | internal class ForeignLookup 7 | { 8 | private class Module 9 | { 10 | public Dictionary Classes = new Dictionary(); 11 | } 12 | 13 | private readonly Dictionary Modules = new Dictionary(); 14 | 15 | public void AddClass(string moduleName, string className, TForeign foreign) 16 | { 17 | if (!Modules.TryGetValue(moduleName, out Module module)) 18 | { 19 | module = new Module(); 20 | Modules[moduleName] = module; 21 | } 22 | 23 | module.Classes[className] = foreign; 24 | } 25 | 26 | public TForeign GetClass(string moduleName, string className) 27 | { 28 | if (!Modules.TryGetValue(moduleName, out Module module)) 29 | return default; 30 | 31 | module.Classes.TryGetValue(className, out TForeign foreign); 32 | return foreign; 33 | } 34 | 35 | public void ForEachClass(Action action) 36 | { 37 | foreach (var module in Modules.Values) 38 | { 39 | foreach (var cls in module.Classes.Values) 40 | { 41 | action(cls); 42 | } 43 | } 44 | } 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Internal/InternalWrenHandle.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | 4 | namespace WrenSharp.Native 5 | { 6 | internal sealed class WrenHandleInternal 7 | { 8 | public readonly WrenVM VM; 9 | public int Version; 10 | public IntPtr Ptr; 11 | 12 | public WrenHandleInternal(WrenVM vm) 13 | { 14 | VM = vm; 15 | } 16 | 17 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 18 | public bool IsValid() => Ptr != IntPtr.Zero; 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Internal/StringBuilderCache.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Text; 3 | 4 | namespace WrenSharp.Internal 5 | { 6 | /// 7 | /// From .NET: https://github.com/dotnet/runtime/blob/main/src/libraries/Common/src/System/Text/StringBuilderCache.cs 8 | /// 9 | internal static class StringBuilderCache 10 | { 11 | internal const int MaxBuilderSize = 360; 12 | private const int DefaultCapacity = 16; 13 | 14 | [ThreadStatic] 15 | private static StringBuilder _cachedInstance; 16 | 17 | public static StringBuilder Acquire(int capacity = DefaultCapacity) 18 | { 19 | if (capacity <= MaxBuilderSize) 20 | { 21 | StringBuilder sb = _cachedInstance; 22 | if (sb != null) 23 | { 24 | if (capacity <= sb.Capacity) 25 | { 26 | _cachedInstance = null; 27 | sb.Clear(); 28 | return sb; 29 | } 30 | } 31 | } 32 | 33 | return new StringBuilder(capacity); 34 | } 35 | 36 | public static void Release(StringBuilder sb) 37 | { 38 | if (sb.Capacity <= MaxBuilderSize) 39 | { 40 | _cachedInstance = sb; 41 | } 42 | } 43 | 44 | public static string GetStringAndRelease(StringBuilder sb) 45 | { 46 | string result = sb.ToString(); 47 | Release(sb); 48 | return result; 49 | } 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Internal/WrenInternal.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | using System.Text; 4 | using WrenSharp.Memory; 5 | 6 | namespace WrenSharp.Native 7 | { 8 | internal static class WrenInternal 9 | { 10 | public unsafe static string WrenStringBytesToString(byte* bytes, int byteCount) 11 | { 12 | // FIXME: Wren is not returning UTF8 code points from the slot API, even though it accepts them. 13 | // So just using ASCII encoding for now, as that's all we can do without modifying the Wren source. 14 | var encoding = Encoding.ASCII; 15 | return encoding.GetString(bytes, byteCount); 16 | } 17 | 18 | public unsafe static ReadOnlySpan GetSlotStringBytes(IntPtr vm, int slot) 19 | { 20 | int length; 21 | var ptr = (byte*)Wren.GetSlotBytes(vm, slot, (IntPtr)(&length)); 22 | return new ReadOnlySpan(ptr, length); 23 | } 24 | 25 | public unsafe static string GetSlotString(IntPtr vm, int slot) 26 | { 27 | int length; 28 | var bytes = (byte*)Wren.GetSlotBytes(vm, slot, (IntPtr)(&length)); 29 | return WrenStringBytesToString(bytes, length); 30 | } 31 | 32 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 33 | public unsafe static void SetSlotString(IntPtr vm, int slot, ReadOnlySpan bytes) 34 | { 35 | fixed (byte* bytePtr = bytes) 36 | { 37 | Wren.SetSlotBytes(vm, slot, (IntPtr)bytePtr, (ulong)bytes.Length); 38 | } 39 | } 40 | 41 | public unsafe static void EncodeTextBufferFromStringBuilder( 42 | StringBuilder stringBuilder, Encoding encoding, IAllocator allocator, 43 | ref byte* buffer, ref int bufferSize, 44 | out int charCount, out int byteCount) 45 | { 46 | charCount = stringBuilder.Length; 47 | 48 | // We don't know how big the buffer needs to be until the chars are encoded, 49 | // so need to allocate the maximum number of bytes required to store a string 50 | // of n length in the specified encoding + 1 for the null terminator 51 | int requiredBufferSize = encoding.GetMaxByteCount(charCount) + 1; 52 | 53 | // Free existing buffer if it isn't large enough to hold the maximum possible encoded size 54 | if (requiredBufferSize > bufferSize && buffer != null) 55 | { 56 | allocator.Free((IntPtr)buffer); 57 | buffer = null; 58 | } 59 | 60 | // Allocate a new buffer if required 61 | if (buffer == null) 62 | { 63 | buffer = (byte*)allocator.Allocate(requiredBufferSize); 64 | bufferSize = requiredBufferSize; 65 | 66 | if (buffer == null) 67 | { 68 | // Buffer couldn't be allocated 69 | bufferSize = 0; 70 | byteCount = 0; 71 | return; 72 | } 73 | } 74 | 75 | var charSpan = new Span((char*)buffer, charCount); 76 | var byteSpan = new Span(buffer, bufferSize); 77 | 78 | // Copy chars from the builder into the buffer 79 | stringBuilder.CopyTo(0, charSpan, charCount); 80 | 81 | // Encode chars in buffer 82 | // Note that this is reading and writing to the same buffer, this should be ok since 83 | // C# chars are two bytes wide, so the read cursor will always be ahead of the write cursor. 84 | byteCount = encoding.GetBytes(charSpan, byteSpan); 85 | 86 | // Add the null terminator 87 | buffer[byteCount++] = (byte)'\0'; 88 | } 89 | 90 | public unsafe static void EncodeTextBufferFromString( 91 | ReadOnlySpan str, Encoding encoding, IAllocator allocator, 92 | ref byte* buffer, ref int bufferSize, 93 | out int charCount, out int byteCount) 94 | { 95 | charCount = str.Length; 96 | 97 | // We don't know how big the buffer needs to be until the chars are encoded, 98 | // so need to allocate the maximum number of bytes required to store a string 99 | // of n length in the specified encoding + 1 for the null terminator 100 | int requiredBufferSize = encoding.GetMaxByteCount(charCount) + 1; 101 | 102 | // Free existing buffer if it isn't large enough to hold the maximum possible encoded size 103 | if (requiredBufferSize > bufferSize && buffer != null) 104 | { 105 | allocator.Free((IntPtr)buffer); 106 | buffer = null; 107 | } 108 | 109 | // Allocate a new buffer if required 110 | if (buffer == null) 111 | { 112 | buffer = (byte*)allocator.Allocate(requiredBufferSize); 113 | bufferSize = requiredBufferSize; 114 | 115 | if (buffer == null) 116 | { 117 | // Buffer couldn't be allocated 118 | bufferSize = 0; 119 | byteCount = 0; 120 | return; 121 | } 122 | } 123 | 124 | byteCount = encoding.GetBytes(str, new Span(buffer, bufferSize)); 125 | 126 | // Add the null terminator 127 | buffer[byteCount++] = (byte)'\0'; 128 | } 129 | } 130 | } 131 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Memory/HGlobalAllocator.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace WrenSharp.Memory 5 | { 6 | /// 7 | /// A simple memory allocator that wraps the and 8 | /// methods. 9 | /// 10 | public class HGlobalAllocator : IAllocator 11 | { 12 | #region Static 13 | 14 | private static readonly Lazy _default = new Lazy(isThreadSafe: true); 15 | 16 | /// 17 | /// The single default instance of . 18 | /// 19 | public static HGlobalAllocator Default => _default.Value; 20 | 21 | #endregion 22 | 23 | /// 24 | /// Allocates a contiguous block of memory that is guaranted to be at least bytes wide. 25 | /// This method wraps . 26 | /// 27 | /// The minimum number of bytes to allocate. 28 | /// An to the allocated block of memory. 29 | public IntPtr Allocate(int size) => Marshal.AllocHGlobal(size); 30 | 31 | /// 32 | /// Frees a previously allocated block of memory. 33 | /// This method wraps . 34 | /// 35 | /// A pointer to the block of memory to free. 36 | public void Free(IntPtr ptr) => Marshal.FreeHGlobal(ptr); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Memory/IAllocator.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Memory 4 | { 5 | /// 6 | /// An interface for memory allocators used by some WrenSharp wrappers for working with unmanaged memory. 7 | /// 8 | public interface IAllocator 9 | { 10 | /// 11 | /// Allocates a contiguous block of memory that is guaranted to be at least bytes wide. 12 | /// 13 | /// The minimum number of bytes to allocate. 14 | /// An to the allocated block of memory. 15 | IntPtr Allocate(int size); 16 | 17 | /// 18 | /// Frees a previously allocated block of memory. 19 | /// 20 | /// A pointer to the block of memory to free. 21 | void Free(IntPtr ptr); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Abstract base class for all Wren reflection API attributes. 7 | /// 8 | public abstract class WrenAttribute : Attribute 9 | { 10 | 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenCallHandleAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Fields marked with this attribute are automatically allocated a 7 | /// matching the supplied signature when invoked via the reflection API. 8 | /// See for more information on Wren call signatures. 9 | /// 10 | [AttributeUsage(AttributeTargets.Field)] 11 | public class WrenCallHandleAttribute : WrenAttribute 12 | { 13 | /// 14 | /// The signature of the call handle. 15 | /// 16 | public string Signature { get; } 17 | 18 | public WrenCallHandleAttribute(string signature) 19 | { 20 | Signature = signature; 21 | } 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenEnumAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Enum types annotated with this attribute are converted to static Wren classes when invoked 7 | /// via the reflection API. 8 | /// 9 | [AttributeUsage(AttributeTargets.Enum)] 10 | public class WrenEnumAttribute : WrenAttribute 11 | { 12 | /// 13 | /// The name of the module to declare the class in. 14 | /// 15 | public string Module { get; } 16 | 17 | /// 18 | /// The name of the Wren class. If null, the name of the enum type is used. 19 | /// 20 | public string ClassName { get; } 21 | 22 | public WrenEnumAttribute(string module) : this(module, null) 23 | { 24 | 25 | } 26 | 27 | public WrenEnumAttribute(string module, string className) 28 | { 29 | Module = module; 30 | ClassName = className; 31 | } 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenIgnoreAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Fields or properties marked with this attribute are ignored by the reflection API. 7 | /// 8 | [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)] 9 | public class WrenIgnoreAttribute : WrenAttribute 10 | { 11 | 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenInitializeAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Declares a method that should be invoked via WrenSharp reflection API initialization methods. 7 | /// Methods marked with this attribute must have the signature: 8 | /// 9 | /// [static] void MethodName(WrenVm vm) 10 | /// 11 | /// 12 | [AttributeUsage(AttributeTargets.Method)] 13 | public class WrenInitializeMethodAttribute : WrenOrderedAttribute 14 | { 15 | public WrenInitializeMethodAttribute() { } 16 | public WrenInitializeMethodAttribute(int order) : base(order) { } 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenOrderedAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Abstract base class for attributes that require ordering. 7 | /// 8 | public abstract class WrenOrderedAttribute : WrenAttribute 9 | { 10 | /// 11 | /// The order value of the attribute. 12 | /// 13 | public int Order { get; set; } 14 | 15 | public WrenOrderedAttribute() : this(0) { } 16 | 17 | public WrenOrderedAttribute(int order) 18 | { 19 | Order = order; 20 | } 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenPropertyAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Marks a field or property for inclusion by the reflection API, where inclusion is opt-in. 7 | /// Also allows for setting an explicit name for the member when interpreted to a Wren type. 8 | /// 9 | [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)] 10 | public class WrenPropertyAttribute : WrenAttribute 11 | { 12 | /// 13 | /// The name of the property. If null, the name of the member the attribute is annotating is used. 14 | /// 15 | public string Name { get; } 16 | 17 | public WrenPropertyAttribute() { } 18 | 19 | public WrenPropertyAttribute(string name) 20 | { 21 | Name = name; 22 | } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Reflection/WrenVariableHandleAttribute.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WrenSharp.Reflection 4 | { 5 | /// 6 | /// Fields marked with this attribute are automatically allocated a 7 | /// pointing to a variable declared within a resolved module, when invoked via the reflection API. 8 | /// 9 | [AttributeUsage(AttributeTargets.Field)] 10 | public class WrenVariableHandleAttribute : WrenAttribute 11 | { 12 | /// 13 | /// The name of the module the variable resides in. The module must be loaded and resolved 14 | /// for the handle to be successfully created. 15 | /// 16 | public string Module { get; } 17 | 18 | /// 19 | /// The name of the variable within the module to create a handle to. 20 | /// 21 | public string Variable { get; } 22 | 23 | public WrenVariableHandleAttribute(string module, string variable) 24 | { 25 | Module = module; 26 | Variable = variable; 27 | } 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Sources/WrenFileSource.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.IO; 3 | using WrenSharp.Memory; 4 | 5 | namespace WrenSharp 6 | { 7 | /// 8 | /// A Wren script source that reads the contents of file from the filesystem. 9 | /// 10 | public unsafe class WrenFileSource : IWrenSource 11 | { 12 | private readonly string m_Path; 13 | private readonly IAllocator m_Allocator; 14 | 15 | private byte* m_Buffer; 16 | private int m_BufferSize; 17 | private bool m_Disposed; 18 | 19 | /// 20 | /// Creates a new instance. 21 | /// 22 | /// The path to the source script to load. 23 | /// 24 | /// 25 | public WrenFileSource(string path, IAllocator allocator = default) 26 | { 27 | if (string.IsNullOrEmpty(path)) 28 | throw new ArgumentNullException(nameof(path), "Path must be non-empty string."); 29 | 30 | m_Path = path; 31 | m_Allocator = allocator ?? HGlobalAllocator.Default; 32 | } 33 | 34 | /// 35 | /// Returns a pointer to an unmanaged buffer containing the contents of the source file. 36 | /// 37 | /// The number of bytes in the source. 38 | /// A pointer to the source bytes. 39 | public IntPtr GetSourceBytes(out int byteCount) 40 | { 41 | if (m_Buffer == null) 42 | { 43 | using var fileStream = File.OpenRead(m_Path); 44 | 45 | if (fileStream.Length > int.MaxValue) 46 | throw new InvalidOperationException($"File {m_Path} is too large ({fileStream.Length} bytes)"); 47 | 48 | m_BufferSize = (int)fileStream.Length; 49 | m_Buffer = (byte*)m_Allocator.Allocate(m_BufferSize); 50 | 51 | using var memStream = new UnmanagedMemoryStream(m_Buffer, 0, m_BufferSize, FileAccess.Write); 52 | fileStream.CopyTo(memStream); 53 | } 54 | 55 | byteCount = m_BufferSize; 56 | return (IntPtr)m_Buffer; 57 | } 58 | 59 | /// 60 | /// Releases the in-memory buffer containing the contents of the file, if the file has previously 61 | /// been loaded. Otherwise, calling this method does nothing. 62 | /// 63 | public void ReleaseBuffer() 64 | { 65 | if (m_Buffer != null) 66 | { 67 | m_Allocator.Free((IntPtr)m_Buffer); 68 | m_Buffer = null; 69 | m_BufferSize = 0; 70 | } 71 | } 72 | 73 | #region IDisposable 74 | 75 | ~WrenFileSource() 76 | { 77 | Dispose(disposing: false); 78 | } 79 | 80 | public void Dispose() 81 | { 82 | Dispose(disposing: true); 83 | GC.SuppressFinalize(this); 84 | } 85 | 86 | protected virtual void Dispose(bool disposing) 87 | { 88 | if (!m_Disposed) 89 | { 90 | if (disposing) 91 | { 92 | // Dispose managed state 93 | } 94 | 95 | // Dispose unmanaged state 96 | ReleaseBuffer(); 97 | 98 | m_Disposed = true; 99 | } 100 | } 101 | 102 | #endregion 103 | } 104 | } 105 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Sources/WrenStringBuilderSource.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Text; 3 | using WrenSharp.Native; 4 | using WrenSharp.Memory; 5 | 6 | namespace WrenSharp 7 | { 8 | /// 9 | /// A Wren script source that wraps a . The contents of the source is copied 10 | /// to an unmanaged buffer, which is passed directly to the native Wren VM when the source is interpreted. 11 | /// 12 | /// This method is signficantly faster than passing a directly to the native 13 | /// WrenVM via P/Invoke. 14 | /// 15 | public unsafe class WrenStringBuilderSource : IWrenSource 16 | { 17 | private readonly StringBuilder m_StringBuilder; 18 | private readonly Encoding m_Encoding; 19 | private readonly IAllocator m_Allocator; 20 | 21 | private byte* m_BufferPtr; 22 | private int m_BufferSize; 23 | private int m_ByteCount; 24 | private int m_CharCount; 25 | private bool m_SourceDirty; 26 | private bool m_Disposed; 27 | 28 | #region Properties 29 | 30 | /// 31 | /// The containing the Wren script. 32 | /// 33 | public StringBuilder StringBuilder => m_StringBuilder; 34 | 35 | #endregion 36 | 37 | /// 38 | /// Creates a new , wrapping a . 39 | /// 40 | /// The containing the Wren source. 41 | /// The Encoding of the string. If this parameter is null, UTF8 encoding is used. 42 | /// The memory allocator to use when an unmanaged buffer is required. 43 | /// If null, the default allocator () is used. 44 | /// Thrown if is null. 45 | public WrenStringBuilderSource(StringBuilder stringBuilder, Encoding encoding = null, IAllocator allocator = null) 46 | { 47 | m_StringBuilder = stringBuilder ?? throw new ArgumentNullException(nameof(stringBuilder)); 48 | m_Encoding = encoding ?? Encoding.UTF8; 49 | m_Allocator = allocator ?? HGlobalAllocator.Default; 50 | } 51 | 52 | /// 53 | /// Sets an internal flag to indicate the contents of the source has changed. 54 | /// The next time is called, the contents will be re-written to 55 | /// the internal buffer before it is returned. 56 | /// 57 | public void MarkSourceChanged() 58 | { 59 | m_SourceDirty = true; 60 | } 61 | 62 | #region IModuleSource 63 | 64 | /// 65 | /// Get a pointer to the bytes containing the Wren script source that can be passed 66 | /// to the native Wren VM. 67 | /// 68 | /// The number of bytes in the source. 69 | /// A pointer to the source bytes. 70 | public IntPtr GetSourceBytes(out int byteCount) 71 | { 72 | if (m_SourceDirty || m_StringBuilder.Length != m_CharCount) 73 | { 74 | WrenInternal.EncodeTextBufferFromStringBuilder( 75 | m_StringBuilder, m_Encoding, m_Allocator, 76 | ref m_BufferPtr, ref m_BufferSize, 77 | out m_CharCount, out m_ByteCount); 78 | 79 | m_SourceDirty = false; 80 | } 81 | 82 | byteCount = m_ByteCount; 83 | return (IntPtr)m_BufferPtr; 84 | } 85 | 86 | #endregion 87 | 88 | #region IDisposable 89 | 90 | ~WrenStringBuilderSource() 91 | { 92 | Dispose(disposing: false); 93 | } 94 | 95 | public void Dispose() 96 | { 97 | Dispose(disposing: true); 98 | GC.SuppressFinalize(this); 99 | } 100 | 101 | protected virtual void Dispose(bool disposing) 102 | { 103 | if (!m_Disposed) 104 | { 105 | if (disposing) 106 | { 107 | // Dispose managed state 108 | } 109 | 110 | // Dispose unmanaged state 111 | if (m_BufferPtr != null) 112 | { 113 | m_Allocator.Free((IntPtr)m_BufferPtr); 114 | m_BufferPtr = default; 115 | } 116 | 117 | m_Disposed = true; 118 | } 119 | } 120 | 121 | #endregion 122 | } 123 | } 124 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/Sources/WrenStringSource.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Text; 3 | using WrenSharp.Native; 4 | using WrenSharp.Memory; 5 | 6 | namespace WrenSharp 7 | { 8 | /// 9 | /// A Wren script source that wraps a string. The source is copied to an unmanaged buffer, which is passed 10 | /// directly to the native Wren VM when the source is interpreted. 11 | /// 12 | public unsafe class WrenStringSource : IWrenSource 13 | { 14 | private readonly string m_Source; 15 | private readonly Encoding m_Encoding; 16 | private readonly IAllocator m_Allocator; 17 | 18 | private byte* m_BufferPtr; 19 | private int m_BufferSize; 20 | private bool m_Disposed; 21 | 22 | #region Properties 23 | 24 | /// 25 | /// The string containing the Wren script. 26 | /// 27 | public string Source => m_Source; 28 | 29 | #endregion 30 | 31 | /// 32 | /// Creates a new , wrapping a string. 33 | /// 34 | /// The string of Wren source. 35 | /// The Encoding of the string. If this parameter is null, UTF8 encoding is used. 36 | /// The memory allocator to use when an unmanaged buffer is required. 37 | /// If null, the default allocator () is used. 38 | /// Thrown if is null. 39 | public WrenStringSource(string source, Encoding encoding = null, IAllocator allocator = null) 40 | { 41 | m_Source = source ?? throw new ArgumentNullException(nameof(source)); 42 | m_Encoding = encoding ?? Encoding.UTF8; 43 | m_Allocator = allocator ?? HGlobalAllocator.Default; 44 | } 45 | 46 | #region IModuleSource 47 | 48 | /// 49 | /// Get a pointer to the bytes containing the Wren script source that can be passed 50 | /// to the native Wren VM. 51 | /// 52 | /// The number of bytes in the source. 53 | /// A pointer to the source bytes. 54 | public IntPtr GetSourceBytes(out int byteCount) 55 | { 56 | if (m_BufferPtr == null) 57 | { 58 | WrenInternal.EncodeTextBufferFromString( 59 | m_Source, m_Encoding, m_Allocator, 60 | ref m_BufferPtr, ref m_BufferSize, 61 | out _, out byteCount); 62 | } 63 | else 64 | { 65 | byteCount = m_BufferSize; 66 | } 67 | 68 | return (IntPtr)m_BufferPtr; 69 | } 70 | 71 | #endregion 72 | 73 | #region IDisposable 74 | 75 | ~WrenStringSource() 76 | { 77 | Dispose(disposing: false); 78 | } 79 | 80 | public void Dispose() 81 | { 82 | Dispose(disposing: true); 83 | GC.SuppressFinalize(this); 84 | } 85 | 86 | protected virtual void Dispose(bool disposing) 87 | { 88 | if (!m_Disposed) 89 | { 90 | if (disposing) 91 | { 92 | // Dispose managed state (managed objects) 93 | } 94 | 95 | // Dispose unmanaged state 96 | if (m_BufferPtr == null) 97 | { 98 | m_Allocator.Free((IntPtr)m_BufferPtr); 99 | m_BufferPtr = null; 100 | } 101 | 102 | m_Disposed = true; 103 | } 104 | } 105 | 106 | #endregion 107 | } 108 | } 109 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenCallHandle.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | using WrenSharp.Native; 4 | 5 | namespace WrenSharp 6 | { 7 | /// 8 | /// A handle representing a callable Wren method. Use to call 9 | /// Wren functions from managed code. 10 | /// 11 | /// Handles must be released to free the memory allocated for them. 12 | /// implements , and can be disposed by calling 13 | /// or . instances 14 | /// will automatically release all handles allocated when disposed. 15 | /// 16 | /// 17 | /// 18 | public readonly struct WrenCallHandle : IDisposable, IEquatable 19 | { 20 | internal readonly WrenHandleInternal m_Handle; 21 | internal readonly IntPtr m_Ptr; 22 | internal readonly int m_Version; 23 | internal readonly byte m_ParamCount; 24 | 25 | #region Properties 26 | 27 | /// 28 | /// Indicates if the handle is valid. A handle is valid if it has been created and not released. 29 | /// Once a handle is released, all values pointing to it will become invalid. 30 | /// 31 | public bool IsValid 32 | { 33 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 34 | get => m_Handle != null && m_Handle.IsValid() && m_Version == m_Handle.Version && m_Ptr == m_Handle.Ptr; 35 | } 36 | 37 | /// 38 | /// The number of parameters the method call requires. 39 | /// 40 | public int ParamCount => m_ParamCount; 41 | 42 | /// 43 | /// The handle's native pointer. 44 | /// 45 | public IntPtr NativePointer 46 | { 47 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 48 | get => IsValid ? m_Ptr : IntPtr.Zero; 49 | } 50 | 51 | #endregion 52 | 53 | internal WrenCallHandle(WrenHandleInternal handle, byte paramCount) 54 | { 55 | m_Handle = handle; 56 | m_Ptr = handle.Ptr; 57 | m_Version = handle.Version; 58 | m_ParamCount = paramCount; 59 | } 60 | 61 | /// 62 | /// Releases the handle. Once released, the handle can no longer be used. 63 | /// 64 | public void Dispose() => m_Handle.VM?.ReleaseHandle(in this); 65 | 66 | #region Object 67 | 68 | /// 69 | public bool Equals(WrenCallHandle other) 70 | { 71 | return 72 | other.m_Ptr == m_Ptr && 73 | other.m_Version == m_Version && 74 | other.m_ParamCount == m_ParamCount && 75 | other.m_Handle == m_Handle; 76 | } 77 | 78 | /// 79 | public override bool Equals(object obj) => obj is WrenCallHandle callHandle && Equals(callHandle); 80 | 81 | /// 82 | public override int GetHashCode() => HashCode.Combine(m_Ptr, m_Version, m_ParamCount, m_Handle); 83 | 84 | /// 85 | public override string ToString() => IsValid ? m_Ptr.ToString() : string.Empty; 86 | 87 | #endregion 88 | 89 | #region Operator Overloads 90 | 91 | /// 92 | public static bool operator ==(WrenCallHandle left, WrenCallHandle right) => left.Equals(right); 93 | 94 | /// 95 | public static bool operator !=(WrenCallHandle left, WrenCallHandle right) => !(left == right); 96 | 97 | /// 98 | /// Converts a into a . 99 | /// 100 | /// The call handle 101 | public static implicit operator WrenHandle(WrenCallHandle callHandle) => new WrenHandle(callHandle.m_Handle); 102 | 103 | #endregion 104 | } 105 | } 106 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenError.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// Represents an error generated by the Wren runtime. 5 | /// 6 | public class WrenError 7 | { 8 | /// 9 | /// The error type that was generated. 10 | /// 11 | public WrenErrorType ErrorType { get; } 12 | 13 | /// 14 | /// The module name the error occurred within. 15 | /// 16 | public string Module { get; } 17 | 18 | /// 19 | /// The line number in the script the error occurred at. 20 | /// 21 | public int Line { get; } 22 | 23 | /// 24 | /// The error message generated by Wren. 25 | /// 26 | public string Message { get; } 27 | 28 | internal WrenError(WrenErrorType errorType, string module, int line, string message) 29 | { 30 | ErrorType = errorType; 31 | Module = module; 32 | Line = line; 33 | Message = message; 34 | } 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenExceptions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Linq; 3 | 4 | namespace WrenSharp 5 | { 6 | /// 7 | /// Represents errors that occur during WrenSharp execution. 8 | /// 9 | public class WrenException : Exception 10 | { 11 | /// 12 | /// The VM the exeception occured in. 13 | /// 14 | public WrenVM VM { get; } 15 | 16 | /// 17 | /// The errors in the VM's error log when the exception was thrown. 18 | /// 19 | public WrenError[] Errors { get; } 20 | 21 | public WrenException(WrenVM vm) : this(vm, null, null) { } 22 | public WrenException(WrenVM vm, string message) : this(vm, message, null) { } 23 | public WrenException(WrenVM vm, string message, Exception innerException) : base(GetMessageOrDefault(vm, message), innerException) 24 | { 25 | VM = vm; 26 | Errors = (VM.Errors.Count > 0) ? VM.Errors.ToArray() : null; 27 | } 28 | 29 | private static string GetMessageOrDefault(WrenVM vm, string message) 30 | { 31 | if (message == null && vm.Errors.Count > 0) 32 | { 33 | WrenError error = vm.Errors[0]; 34 | return $"{error.ErrorType}: {error.Message}"; 35 | } 36 | 37 | return message; 38 | } 39 | } 40 | 41 | /// 42 | /// Represents errors that occur during intialization of a Wren VM. 43 | /// 44 | public class WrenInitializationException : WrenException 45 | { 46 | public WrenInitializationException(WrenVM vm, string message) : base(vm, message) { } 47 | public WrenInitializationException(WrenVM vm, string message, Exception innerException) : base(vm, message, innerException) { } 48 | } 49 | 50 | /// 51 | /// Represents errors that occur during a WrenSharp call. 52 | /// 53 | public class WrenInterpretException : WrenException 54 | { 55 | /// 56 | /// The result of the call or interpret run. 57 | /// 58 | public WrenInterpretResult Result { get; } 59 | 60 | public WrenInterpretException(WrenVM vm, WrenInterpretResult result) : this(vm, result, null) { } 61 | public WrenInterpretException(WrenVM vm, WrenInterpretResult result, string message) : base(vm, message) 62 | { 63 | Result = result; 64 | } 65 | } 66 | 67 | /// 68 | /// Represents errors that occur relating to invalid Wren handles. 69 | /// 70 | public class WrenInvalidHandleException : WrenException 71 | { 72 | public WrenInvalidHandleException(WrenVM vm) : base(vm, null, null) { } 73 | public WrenInvalidHandleException(WrenVM vm, string message) : base(vm, message, null) { } 74 | } 75 | 76 | /// 77 | /// Represents errors that occur relating to Wren types. 78 | /// 79 | public class WrenTypeException : WrenException 80 | { 81 | public WrenTypeException(WrenVM vm) : base(vm, null, null) { } 82 | public WrenTypeException(WrenVM vm, string message) : base(vm, message, null) { } 83 | } 84 | } 85 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenFn.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | 4 | namespace WrenSharp 5 | { 6 | /// 7 | /// Represents a dynamic Wren function created via . 8 | /// 9 | public readonly struct WrenFn : IDisposable, IEquatable 10 | { 11 | #region Properties 12 | 13 | /// 14 | /// The the function was created with. 15 | /// 16 | public WrenVM VM { get; } 17 | 18 | /// 19 | /// The name of the module the function was created within. 20 | /// 21 | public string Module { get; } 22 | 23 | /// 24 | /// The for the Wren Fn instance. 25 | /// 26 | public WrenHandle Handle { get; } 27 | 28 | /// 29 | /// The parameter count of the function. 30 | /// 31 | public byte ParamCount { get; } 32 | 33 | /// 34 | /// Returns true if the function handle is valid. 35 | /// 36 | public bool IsValid 37 | { 38 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 39 | get => Handle.IsValid; 40 | } 41 | 42 | #endregion 43 | 44 | internal WrenFn(WrenVM vm, string module, WrenHandle handle, byte paramCount) 45 | { 46 | VM = vm; 47 | Module = module; 48 | Handle = handle; 49 | ParamCount = paramCount; 50 | } 51 | 52 | /// 53 | public void Dispose() 54 | { 55 | Handle.Dispose(); 56 | } 57 | 58 | /// 59 | /// Iniitlaizes a for the function. 60 | /// 61 | /// A value for the function. 62 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 63 | public WrenCall CreateCall() => VM?.CreateFunctionCall(Handle, ParamCount) ?? default; 64 | 65 | #if WRENSHARP_EXT 66 | /// 67 | /// Iniitlaizes a for the function. 68 | /// 69 | /// If true, a new Wren Fiber is created to execute the call. 70 | /// A value for the function. 71 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 72 | public WrenCall CreateCall(bool createNewFibre) => VM?.CreateFunctionCall(Handle, ParamCount, createNewFibre) ?? default; 73 | #endif 74 | 75 | #region Object 76 | 77 | /// 78 | public bool Equals(WrenFn other) 79 | { 80 | return other.ParamCount == ParamCount && other.Handle == Handle && other.VM == VM && other.Module == Module; 81 | } 82 | 83 | /// 84 | public override bool Equals(object obj) => obj is WrenFn fn && Equals(fn); 85 | 86 | /// 87 | public override int GetHashCode() => HashCode.Combine(ParamCount, Handle, VM, Module); 88 | 89 | /// 90 | public override string ToString() => Handle.ToString(); 91 | 92 | #endregion 93 | 94 | #region Operators 95 | 96 | /// 97 | public static bool operator ==(WrenFn left, WrenFn right) => left.Equals(right); 98 | 99 | /// 100 | public static bool operator !=(WrenFn left, WrenFn right) => !(left == right); 101 | 102 | #endregion 103 | } 104 | } 105 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenHandle.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | using WrenSharp.Native; 4 | 5 | namespace WrenSharp 6 | { 7 | /// 8 | /// A handle wrapping a Wren value. When a handle is allocated, Wren guarantees the object 9 | /// will not be removed by the garbage collector. Handles can be passed into various WrenSharp 10 | /// API methods to make calls, store values, etc. 11 | /// 12 | /// Handles must be released to free the memory allocated for them. 13 | /// implements , and can be disposed by calling 14 | /// or . instances 15 | /// will automatically release all handles allocated when disposed. 16 | /// 17 | public readonly struct WrenHandle : IDisposable, IEquatable 18 | { 19 | internal readonly WrenHandleInternal m_Handle; 20 | internal readonly IntPtr m_Ptr; 21 | internal readonly int m_Version; 22 | 23 | #region Properties 24 | 25 | /// 26 | /// Indicates if the handle is valid. A handle is valid if it has been created and not released. 27 | /// Once a handle is released, all values pointing to it will become invalid. 28 | /// 29 | public bool IsValid 30 | { 31 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 32 | get => m_Handle?.IsValid() == true && m_Version == m_Handle.Version && m_Ptr == m_Handle.Ptr; 33 | } 34 | 35 | /// 36 | /// The handle's native pointer. 37 | /// 38 | public IntPtr NativePointer 39 | { 40 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 41 | get => IsValid ? m_Ptr : IntPtr.Zero; 42 | } 43 | 44 | #endregion 45 | 46 | internal WrenHandle(WrenHandleInternal handle) 47 | { 48 | m_Handle = handle; 49 | m_Ptr = m_Handle.Ptr; 50 | m_Version = m_Handle.Version; 51 | } 52 | 53 | /// 54 | /// Releases the handle. Once released, the handle can no longer be used. 55 | /// 56 | public void Dispose() => m_Handle?.VM.ReleaseHandle(in this); 57 | 58 | #region Object 59 | 60 | /// 61 | public bool Equals(WrenHandle other) => other.m_Ptr == m_Ptr && other.m_Version == m_Version && other.m_Handle == m_Handle; 62 | 63 | /// 64 | public override bool Equals(object other) => other is WrenHandle && Equals(other); 65 | 66 | /// 67 | public override int GetHashCode() => HashCode.Combine(m_Ptr, m_Version, m_Handle); 68 | 69 | /// 70 | public override string ToString() 71 | { 72 | if (!IsValid) 73 | return string.Empty; 74 | 75 | return IntPtr.Size == 4 ? $"0x{m_Ptr:X8}" : $"0x{m_Ptr:X16}"; 76 | } 77 | 78 | #endregion 79 | 80 | #region Operator Overloads 81 | 82 | /// 83 | public static bool operator ==(WrenHandle left, WrenHandle right) => left.Equals(right); 84 | 85 | /// 86 | public static bool operator !=(WrenHandle left, WrenHandle right) => !(left == right); 87 | 88 | #endregion 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenList.Ext.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using WrenSharp.Native; 4 | using WrenSharp.Unsafe; 5 | 6 | namespace WrenSharp 7 | { 8 | public readonly partial struct WrenList 9 | { 10 | #region Properties 11 | 12 | public unsafe WrenNativeList AsNativeList => Wren.GetSlotPtr(m_Vm.m_Ptr, m_ListSlot)->AsList; 13 | 14 | #endregion 15 | 16 | /// 17 | /// Removes the value stored in from the list and places the removed value in slot[]. 18 | /// If is not supplied, the default value, , is used. 19 | /// 20 | /// The index to insert the value at. 21 | /// The slot to place the removed value in. Defaults to . 22 | public WrenSlot Remove(int index, int? removedValueSlot = default) 23 | { 24 | int slot = removedValueSlot.GetValueOrDefault(m_DefaultElementSlot); 25 | Wren.ListRemove(m_Vm.m_Ptr, m_ListSlot, index, slot); 26 | return new WrenSlot(m_Vm, slot); 27 | } 28 | 29 | #region Unsafe 30 | 31 | public void Add(Unsafe.WrenValue value, int? elementSlot = default) 32 | { 33 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 34 | Wren.SetSlot(m_Vm.m_Ptr, slot, value); 35 | Wren.InsertInList(m_Vm.m_Ptr, m_ListSlot, -1, slot); 36 | } 37 | 38 | public void Insert(Unsafe.WrenValue value, int index, int? elementSlot = default) 39 | { 40 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 41 | Wren.SetSlot(m_Vm.m_Ptr, slot, value); 42 | Wren.InsertInList(m_Vm.m_Ptr, m_ListSlot, index, slot); 43 | } 44 | 45 | public bool Remove(Unsafe.WrenValue value, int? removedValueSlot = default) 46 | { 47 | int slot = removedValueSlot.GetValueOrDefault(m_DefaultElementSlot); 48 | Wren.SetSlot(m_Vm.m_Ptr, m_DefaultElementSlot, value); 49 | int index = Wren.GetListIndexOf(m_Vm.m_Ptr, m_ListSlot, m_DefaultElementSlot); 50 | if (index > -1) 51 | { 52 | Wren.ListRemove(m_Vm.m_Ptr, m_ListSlot, index, slot); 53 | return true; 54 | } 55 | 56 | return false; 57 | } 58 | 59 | public bool Remove(Unsafe.WrenValue value, ref WrenSlot removedValueSlot) 60 | { 61 | Wren.SetSlot(m_Vm.m_Ptr, m_DefaultElementSlot, value); 62 | int index = Wren.GetListIndexOf(m_Vm.m_Ptr, m_ListSlot, m_DefaultElementSlot); 63 | if (index > -1) 64 | { 65 | Wren.ListRemove(m_Vm.m_Ptr, m_ListSlot, index, removedValueSlot); 66 | return true; 67 | } 68 | 69 | return false; 70 | } 71 | 72 | public unsafe ref Unsafe.WrenValue GetUnsafe(int index, int? elementSlot = default) => ref *GetUnsafePtr(index, elementSlot); 73 | 74 | public unsafe Unsafe.WrenValue* GetUnsafePtr(int index, int? elementSlot = default) 75 | { 76 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 77 | Wren.GetListElement(m_Vm.m_Ptr, m_ListSlot, index, slot); 78 | return Wren.GetSlotPtr(m_Vm.m_Ptr, slot); 79 | } 80 | 81 | #endregion 82 | } 83 | } 84 | #endif -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenMap.Ext.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using WrenSharp.Native; 3 | using WrenSharp.Unsafe; 4 | 5 | namespace WrenSharp 6 | { 7 | public readonly partial struct WrenMap 8 | { 9 | #region Properties 10 | 11 | public unsafe WrenNativeMap AsNativeMap => Wren.GetSlotPtr(m_Vm.m_Ptr, m_MapSlot)->AsMap; 12 | 13 | #endregion 14 | 15 | public unsafe ref Unsafe.WrenValue GetValueUnsafe(int keySlot, int? valueSlot = default) => ref *GetValueUnsafePtr(keySlot, valueSlot); 16 | 17 | public unsafe Unsafe.WrenValue* GetValueUnsafePtr(int keySlot, int? valueSlot = default) 18 | { 19 | int slot = valueSlot.GetValueOrDefault(m_DefaultValueSlot); 20 | Wren.GetMapValue(m_Vm.m_Ptr, m_MapSlot, keySlot, slot); 21 | return Wren.GetSlotPtr(m_Vm.m_Ptr, slot); 22 | } 23 | } 24 | } 25 | #endif -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenMap.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | using WrenSharp.Native; 4 | 5 | namespace WrenSharp 6 | { 7 | public readonly partial struct WrenMap 8 | { 9 | private readonly WrenVM m_Vm; 10 | private readonly int m_MapSlot; 11 | private readonly int m_DefaultKeySlot; 12 | private readonly int m_DefaultValueSlot; 13 | 14 | #region Properties 15 | 16 | /// 17 | /// The slot the map resides in. 18 | /// 19 | public int MapSlot => m_MapSlot; 20 | 21 | /// 22 | /// The default slot the Wren API will read keys from if an override is not supplied. 23 | /// 24 | public int DefaultKeySlot => m_DefaultKeySlot; 25 | 26 | /// 27 | /// The default slot the Wren API will read or write values to if an override is not supplied. 28 | /// 29 | public int DefaultValueSlot => m_DefaultValueSlot; 30 | 31 | /// 32 | /// The count of entries in the map. 33 | /// 34 | public int Count => Wren.GetMapCount(m_Vm.m_Ptr, m_MapSlot); 35 | 36 | /// 37 | /// The the map resides within. 38 | /// 39 | public WrenVM VM => m_Vm; 40 | 41 | #endregion 42 | 43 | /// 44 | /// Initializes a and ensures there are enough Wren API slots allocated to read and write to the map. 45 | /// 46 | /// The the map resides in. 47 | /// The API slot the map resides in. 48 | /// The API slot to store keys in. If null, uses + 1. 49 | /// The API slot to read and write from. If null, uses + 1. 50 | /// Thrown if the value in is not a . 51 | public WrenMap(WrenVM vm, int mapSlot, int? keySlot = default, int? valueSlot = default) 52 | { 53 | var slotType = Wren.GetSlotType(vm.m_Ptr, mapSlot); 54 | if (slotType != WrenType.Map) 55 | throw new WrenTypeException(vm, $"Value is not a Map ({slotType})"); 56 | 57 | m_Vm = vm; 58 | m_MapSlot = mapSlot; 59 | m_DefaultKeySlot = keySlot.GetValueOrDefault(m_MapSlot + 1); 60 | m_DefaultValueSlot = valueSlot.GetValueOrDefault(m_DefaultKeySlot + 1); 61 | 62 | int requiredSlotCount = Math.Max(m_MapSlot, Math.Max(m_DefaultKeySlot, m_DefaultValueSlot)) + 1; 63 | vm.EnsureSlotCount(requiredSlotCount); 64 | } 65 | 66 | /// 67 | /// Clears all values in the map by invoking its clear() method. 68 | /// 69 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 70 | public void Clear() => m_Vm.MapClear(m_MapSlot); 71 | 72 | /// 73 | /// Indicates if the map contains a "null" key. 74 | /// 75 | /// True if the map contains a "null" key, otherwise false. 76 | public bool ContainsKeyNull() 77 | { 78 | Wren.SetSlotNull(m_Vm.m_Ptr, m_DefaultKeySlot); 79 | return Wren.GetMapContainsKey(m_Vm.m_Ptr, m_MapSlot, m_DefaultKeySlot) != 0; 80 | } 81 | 82 | /// 83 | /// Indicates if the map contains an entry with a key represented by the value in . 84 | /// 85 | /// The slot to read the value to compare from. 86 | /// True if the key is found, otherwise false. 87 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 88 | public bool ContainsKey(int keySlot) => Wren.GetMapContainsKey(m_Vm.m_Ptr, m_MapSlot, keySlot) != 0; 89 | 90 | /// 91 | /// Sets a key/value pair in the map using the values in and . 92 | /// 93 | /// The slot containing the key. 94 | /// The slot containing the value. 95 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 96 | public void SetValue(int keySlot, int valueSlot) => Wren.SetMapValue(m_Vm.m_Ptr, m_MapSlot, keySlot, valueSlot); 97 | 98 | public WrenSlot GetValue(int keySlot, int? valueSlot = default) 99 | { 100 | int slot = valueSlot.GetValueOrDefault(m_DefaultValueSlot); 101 | Wren.GetMapValue(m_Vm.m_Ptr, m_MapSlot, keySlot, slot); 102 | return new WrenSlot(m_Vm, slot); 103 | } 104 | 105 | public WrenSlot Remove(int keySlot, int? removedValueSlot = default) 106 | { 107 | int valueSlot = removedValueSlot.GetValueOrDefault(m_DefaultValueSlot); 108 | Wren.RemoveMapValue(m_Vm.m_Ptr, m_MapSlot, keySlot, valueSlot); 109 | return new WrenSlot(m_Vm, valueSlot); 110 | } 111 | } 112 | } -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSharedDataHandle.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace WrenSharp 5 | { 6 | /// 7 | /// A handle that points to an entry in a . This is a blittable value that is compatible 8 | /// with Wren foreign objects. It is useful for linking a Wren foreign instance to a managed object instance for cross 9 | /// comunication between native Wren and C#. 10 | /// 11 | [StructLayout(LayoutKind.Sequential)] 12 | public readonly struct WrenSharedDataHandle : IEquatable 13 | { 14 | #region Static 15 | 16 | /// 17 | /// An representing an invalid address. 18 | /// 19 | public static WrenSharedDataHandle Invalid => new WrenSharedDataHandle(0); 20 | 21 | #endregion 22 | 23 | private readonly int m_Value; 24 | 25 | #region Properties 26 | 27 | /// 28 | /// Indicates if the handle represents a valid address. 29 | /// 30 | public bool IsValid => m_Value > 0; 31 | 32 | #endregion 33 | 34 | internal WrenSharedDataHandle(int value) 35 | { 36 | m_Value = value; 37 | } 38 | 39 | #region Object 40 | 41 | /// 42 | public bool Equals(WrenSharedDataHandle other) => other.m_Value == m_Value; 43 | 44 | /// 45 | public override bool Equals(object obj) => (obj is WrenSharedDataHandle handle) && Equals(handle); 46 | 47 | /// 48 | public override int GetHashCode() => m_Value; 49 | 50 | /// 51 | public override string ToString() => $"0x{m_Value:X8}"; 52 | 53 | #endregion 54 | 55 | /// 56 | public static bool operator ==(WrenSharedDataHandle left, WrenSharedDataHandle right) => left.Equals(right); 57 | 58 | /// 59 | public static bool operator !=(WrenSharedDataHandle left, WrenSharedDataHandle right) => !(left == right); 60 | 61 | /// 62 | public static implicit operator int(WrenSharedDataHandle handle) => handle.m_Value; 63 | 64 | /// 65 | public static implicit operator WrenSharedDataHandle(int handle) => new WrenSharedDataHandle(handle); 66 | } 67 | } -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSharp.Core.Shared.projitems: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | $(MSBuildAllProjects);$(MSBuildThisFileFullPath) 5 | true 6 | 5a618bd1-02df-4a0b-9076-6fb43a7bcd26 7 | 8 | 9 | WrenSharpCoreShared 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSharp.Core.Shared.shproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5a618bd1-02df-4a0b-9076-6fb43a7bcd26 5 | 14.0 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSharpConfiguration.cs: -------------------------------------------------------------------------------- 1 | using WrenSharp.Memory; 2 | using WrenSharp.Native; 3 | 4 | namespace WrenSharp 5 | { 6 | /// 7 | /// Configuration data for a managed instance. 8 | /// 9 | public struct WrenSharpConfiguration 10 | { 11 | /// 12 | /// The delegate to use to initialize the native Wren VM. Leave this value null 13 | /// to use the default initializer (. Supplying a custom 14 | /// initializer allows for greater control over the routine used to create the VM (for example, using a native plugin 15 | /// to initialize the VM with a custom native reallocator function). 16 | /// 17 | public WrenVMInitializer Initializer; 18 | 19 | /// 20 | /// The delegate to execute when the VM is disposed. 21 | /// 22 | public WrenVMDestructor Destructor; 23 | 24 | /// 25 | /// The allocator to use for unmanaged memory. Some WrenSharp features use unmanaged memory for performance reasons. 26 | /// The native Wren VM does not use this. If null, the default allocator () is used. 27 | /// 28 | public IAllocator Allocator; 29 | 30 | /// 31 | /// The initial capacity of the internal pool for the VM. 32 | /// The specified number of handles will be pre-allocated during intialization. 33 | /// If zero, no handles will be allocated during initialization. 34 | /// 35 | public int HandlePoolCapacityInitial; 36 | 37 | /// 38 | /// The maximum capacity of the internal pool for the VM. 39 | /// The VM will never store more than this number of handles in the pool. If the number of handles 40 | /// allocated exceeds this value, the excess managed handle wrappers will not be added to the pool 41 | /// and left for the garbage collector to dispose. 42 | /// If zero, no maximum limit is enforced. 43 | /// 44 | public int HandlePoolCapacityMax; 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSlot.Ext.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.CompilerServices; 4 | using WrenSharp.Native; 5 | 6 | namespace WrenSharp 7 | { 8 | public readonly partial struct WrenSlot 9 | { 10 | #region Properties 11 | 12 | /// 13 | /// A pointer to the in the API slot. 14 | /// 15 | public unsafe Unsafe.WrenValue* ValuePtr => Wren.GetSlotPtr(m_Vm.m_Ptr, m_Index); 16 | 17 | /// 18 | /// The in the API slot. 19 | /// 20 | public unsafe ref Unsafe.WrenValue Value => ref *Wren.GetSlotPtr(m_Vm.m_Ptr, m_Index); 21 | 22 | #endregion 23 | 24 | /// 25 | /// Indicates if the values in this slot is equal to the value in slot[]. 26 | /// 27 | /// The slot to compare to. 28 | /// True if the values are the same, otherwise false. 29 | public unsafe bool ValueEquals(int otherSlot) 30 | { 31 | return *Wren.GetSlotPtr(m_Vm.m_Ptr, m_Index) == *Wren.GetSlotPtr(m_Vm.m_Ptr, otherSlot); 32 | } 33 | } 34 | } 35 | #endif 36 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSlots.Ext.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.CompilerServices; 4 | using WrenSharp.Native; 5 | using WrenSharp.Unsafe; 6 | 7 | namespace WrenSharp 8 | { 9 | public partial class WrenSlots 10 | { 11 | /// 12 | /// Returns a direct view to the native Wren API slot memory for fast access by avoiding subsequent 13 | /// calls into the Wren API to retrieve value information. This method calls the Wren API to retrieve 14 | /// the current total number of slots and a pointer to the first slot, therefore the returned 15 | /// should be cached in a local variable, or any performance gains are lost. 16 | /// 17 | /// The returned span beings at slot[0] and ends at slot[Count]. Call 18 | /// first to ensure the span contains at least the required number of slots. 19 | /// 20 | public unsafe Span Span 21 | { 22 | get 23 | { 24 | int slotCount = Wren.GetSlotCount(m_Vm.m_Ptr); 25 | WrenValue* slotPtr = Wren.GetSlotPtr(m_Vm.m_Ptr, 0); 26 | return new Span(slotPtr, slotCount); 27 | } 28 | } 29 | 30 | /// 31 | /// Copies the value in slot[] to slot[]. 32 | /// If is equal to , this method does nothing. 33 | /// This method does not ensure that or are valid 34 | /// before attempting the copy. 35 | /// 36 | /// The slot containing the value to copy. 37 | /// The slot to copy the value into. 38 | /// A reference to this . 39 | public unsafe WrenSlots Copy(int slotFrom, int slotTo) 40 | { 41 | if (slotFrom == slotTo) 42 | return this; 43 | 44 | *Wren.GetSlotPtr(m_Vm.m_Ptr, slotTo) = *Wren.GetSlotPtr(m_Vm.m_Ptr, slotFrom); 45 | return this; 46 | } 47 | 48 | /// 49 | /// Returns a direct view to the native Wren API slot memory for fast access by avoiding subsequent 50 | /// calls into the Wren API to retrieve value information. This method ensures that 51 | /// slots will exist, there is no need to call before invoking this method. 52 | /// The returned should be cached in a local variable, or any performance gains are lost. 53 | /// 54 | /// The returned span beings at slot[0] and ends at slot[]. 55 | /// 56 | /// The number of slots to span. 57 | /// A span around the native slot values. 58 | public unsafe Span AsSpan(int count) 59 | { 60 | Wren.EnsureSlots(m_Vm.m_Ptr, count); 61 | WrenValue* slotPtr = Wren.GetSlotPtr(m_Vm.m_Ptr, 0); 62 | return new Span(slotPtr, count); 63 | } 64 | 65 | /// 66 | /// Returns a direct view to the native Wren API slot memory for fast access by avoiding subsequent 67 | /// calls into the Wren API to retrieve value information. This method ensures that required number of 68 | /// slots will exist, there is no need to call before invoking this method. 69 | /// The returned should be cached in a local variable, or any performance gains are lost. 70 | /// 71 | /// The returned span beings at slot[] and ends at slot[ + ]. 72 | /// 73 | /// The slot to being the span at. 74 | /// The number of slots to span. 75 | /// A span around the native slot values. 76 | public unsafe Span AsSpan(int startSlot, int count) 77 | { 78 | Wren.EnsureSlots(m_Vm.m_Ptr, startSlot + count); 79 | WrenValue* slotPtr = Wren.GetSlotPtr(m_Vm.m_Ptr, 0); 80 | return new Span(slotPtr + startSlot, count); 81 | } 82 | 83 | /// 84 | /// Indicates if the values in slot[] and slot[] hold the same values. 85 | /// 86 | /// The first slot to compare. 87 | /// The second slot to compare. 88 | /// True if the values are the same, otherwise false. 89 | public unsafe bool ValuesEqual(int slot1, int slot2) => *Wren.GetSlotPtr(m_Vm.m_Ptr, slot1) == *Wren.GetSlotPtr(m_Vm.m_Ptr, slot2); 90 | } 91 | } 92 | #endif -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenSlots.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | using WrenSharp.Native; 4 | 5 | namespace WrenSharp 6 | { 7 | /// 8 | /// Exposes an API for manipulating Wren API slots. 9 | /// 10 | public partial class WrenSlots 11 | { 12 | private readonly WrenVM m_Vm; 13 | 14 | #region Properties 15 | 16 | /// 17 | /// Returns the number of allocated API slots for the current Wren fiber. 18 | /// 19 | public int Count 20 | { 21 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 22 | get => Wren.GetSlotCount(m_Vm.m_Ptr); 23 | } 24 | 25 | /// 26 | /// Gets a value for slot[]. 27 | /// 28 | /// The index of the slot. 29 | /// A value. 30 | /// Thrown if is less than zero or greater or equal to . 31 | public WrenSlot this[int index] 32 | { 33 | get 34 | { 35 | if (index < 0 || index >= Count) 36 | throw new ArgumentOutOfRangeException(nameof(index)); 37 | 38 | return new WrenSlot(m_Vm, index); 39 | } 40 | } 41 | 42 | #endregion 43 | 44 | internal WrenSlots(WrenVM vm) 45 | { 46 | m_Vm = vm; 47 | } 48 | 49 | /// 50 | /// Ensures the current Wren fiber has at least API slots available. 51 | /// 52 | /// The capacity of API slots to ensure. 53 | /// A reference to this . 54 | public WrenSlots EnsureCapacity(int capacity) 55 | { 56 | Wren.EnsureSlots(m_Vm.m_Ptr, capacity); 57 | return this; 58 | } 59 | 60 | #if !WRENSHARP_EXT 61 | /// 62 | /// Copies the value in slot[] to slot[]. 63 | /// If is equal to , this method does nothing. 64 | /// This method does not ensure that or are valid 65 | /// before attempting the copy. 66 | /// 67 | /// The slot containing the value to copy. 68 | /// The slot to copy the value into. 69 | /// A reference to this . 70 | public unsafe WrenSlots Copy(int slotFrom, int slotTo) 71 | { 72 | if (slotFrom == slotTo) 73 | return this; 74 | 75 | IntPtr handle = Wren.GetSlotHandle(m_Vm.m_Ptr, slotFrom); 76 | Wren.SetSlotHandle(m_Vm.m_Ptr, slotTo, handle); 77 | Wren.ReleaseHandle(m_Vm.m_Ptr, handle); 78 | return this; 79 | } 80 | #endif 81 | } 82 | } 83 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenUnsafeExtensions.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System.Runtime.CompilerServices; 3 | using WrenSharp.Native; 4 | 5 | namespace WrenSharp.Unsafe 6 | { 7 | /// 8 | /// Unsafe extension methods. 9 | /// 10 | public unsafe static class WrenUnsafeExtensions 11 | { 12 | #region WrenCall 13 | 14 | /// 15 | /// Sets the value of argument to a . 16 | /// 17 | /// The . 18 | /// The argument index. 19 | /// The value to set. 20 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 21 | public static void SetArg(this ref WrenCall call, int arg, in WrenValue value) 22 | { 23 | Wren.SetSlot(call.m_Vm.m_Ptr, WrenCall.ArgSlot(arg), value); 24 | } 25 | 26 | /// 27 | /// Calls the Wren method and assigns the return value type to . 28 | /// 29 | /// The . 30 | /// The return value of the call. 31 | /// Determines if a is thrown if the call fails. 32 | /// A . 33 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 34 | public static WrenInterpretResult Call(this ref WrenCall call, out WrenValue returnValue, bool throwOnFailure = false) 35 | { 36 | WrenInterpretResult result = call.Call(throwOnFailure); 37 | returnValue = result == WrenInterpretResult.Success ? *Wren.GetSlotPtr(call.m_Vm.m_Ptr, 0) : default; 38 | return result; 39 | } 40 | 41 | /// 42 | /// Calls the Wren method and assigns the return value type to . 43 | /// 44 | /// The . 45 | /// The return value of the call. 46 | /// Determines if a is thrown if the call fails. 47 | /// A . 48 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 49 | public static WrenInterpretResult Call(this ref WrenCall call, out WrenValue* returnValue, bool throwOnFailure = false) 50 | { 51 | WrenInterpretResult result = call.Call(throwOnFailure); 52 | returnValue = result == WrenInterpretResult.Success ? Wren.GetSlotPtr(call.m_Vm.m_Ptr, 0) : default; 53 | return result; 54 | } 55 | 56 | #endregion 57 | 58 | #region WrenCallContext 59 | 60 | /// 61 | /// Gets the at argument slot . 62 | /// 63 | /// The . 64 | /// The argument slot. 65 | /// A . 66 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 67 | public static WrenValue GetArg(this ref WrenCallContext callContext, int arg) 68 | { 69 | return *Wren.GetSlotPtr(callContext.m_Vm.m_Ptr, callContext.ArgSlot(arg)); 70 | } 71 | 72 | /// 73 | /// Gets a pointer to the at argument slot . 74 | /// 75 | /// The . 76 | /// The argument slot. 77 | /// A pointer to a . 78 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 79 | public static WrenValue* GetArgPtr(this ref WrenCallContext callContext, int arg) 80 | { 81 | return Wren.GetSlotPtr(callContext.m_Vm.m_Ptr, callContext.ArgSlot(arg)); 82 | } 83 | 84 | /// 85 | /// Sets as the return value for the method call. 86 | /// 87 | /// The . 88 | /// The value to return. 89 | public static void Return(this ref WrenCallContext callContext, in WrenValue value) 90 | { 91 | Wren.SetSlot(callContext.m_Vm.m_Ptr, 0, value); 92 | } 93 | 94 | #endregion 95 | } 96 | } 97 | #endif -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenVM.ApiVariables.cs: -------------------------------------------------------------------------------- 1 | using WrenSharp.Native; 2 | 3 | namespace WrenSharp 4 | { 5 | public partial class WrenVM 6 | { 7 | /// 8 | /// Stores the value of from resolved module into . 9 | /// This method ensures that enough slots are allocated to hold the current value of the variable. 10 | /// 11 | /// The module name the variable resides in. 12 | /// The name of the variable to load into . 13 | /// The slot index to load the variable into. 14 | public WrenVM LoadVariable(string module, string variableName, int slot) 15 | { 16 | Wren.EnsureSlots(m_Ptr, slot + 1); 17 | Wren.GetVariable(m_Ptr, module, variableName, slot); 18 | return this; 19 | } 20 | 21 | /// 22 | /// Attempts to store the value of from the resolved module into . 23 | /// Returns true if the variable exists and was able to be loaded. This method ensures that enough slots are allocated to hold the current 24 | /// value of the variable. 25 | /// 26 | /// The module name the variable resides in. 27 | /// The name of the variable to load into . 28 | /// The slot index to load the variable into. 29 | /// True if the variable exists and was placed into , otherwise false. 30 | public bool TryLoadVariable(string module, string variableName, int slot) 31 | { 32 | if (Wren.HasVariable(m_Ptr, module, variableName) != 0) 33 | { 34 | LoadVariable(module, variableName, slot); 35 | return true; 36 | } 37 | 38 | return false; 39 | } 40 | 41 | /// 42 | /// Stores the value of from resolved module into . 43 | /// This method does not ensure enough slots are available to hold the value of the variable. For a safer method of 44 | /// retrieving the value of a variable, use . 45 | /// 46 | /// The slot index to load the variable into. 47 | /// The module name the variable resides in. 48 | /// The name of the variable to load into . 49 | /// A reference to this . 50 | public WrenVM GetVariable(string module, string variableName, int slot) 51 | { 52 | Wren.GetVariable(m_Ptr, module, variableName, slot); 53 | return this; 54 | } 55 | 56 | /// 57 | /// Attempts to store the value of from resolved module into . 58 | /// Returns true if the variable exists. This method does not ensure enough slots are available to hold the value of the variable. 59 | /// For a safer method of retrieving the value of a variable, use . 60 | /// 61 | /// The slot index to load the variable into. 62 | /// The module name the variable resides in. 63 | /// The name of the variable to load into . 64 | /// True if the variable exists, otherwise false. 65 | public bool TryGetVariable(string module, string variableName, int slot) 66 | { 67 | if (Wren.HasVariable(m_Ptr, module, variableName) != 0) 68 | { 69 | Wren.GetVariable(m_Ptr, module, variableName, slot); 70 | return true; 71 | } 72 | 73 | return false; 74 | } 75 | 76 | /// 77 | /// Returns true if exists within the resolved module . 78 | /// 79 | /// The module name to search in. 80 | /// The variable name to find. 81 | /// True if the variable is found in the module, otherwise false. 82 | public bool HasVariable(string module, string variableName) 83 | { 84 | return Wren.HasVariable(m_Ptr, module, variableName) != 0; 85 | } 86 | } 87 | } 88 | -------------------------------------------------------------------------------- /WrenSharp.Core.Shared/WrenVM.Ext.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System.Runtime.CompilerServices; 3 | using WrenSharp.Native; 4 | 5 | namespace WrenSharp 6 | { 7 | public unsafe partial class WrenVM 8 | { 9 | #region Properties 10 | 11 | /// 12 | /// Gets the number of bytes known to be allocated for alive objects in the VM. 13 | /// 14 | public ulong BytesAllocated => Wren.BytesAllocated(m_Ptr); 15 | 16 | /// 17 | /// Gets or sets the enabled state of the Wren garbage collected. Use 18 | /// to trigger manual garbage collections. 19 | /// 20 | public bool GCEnabled 21 | { 22 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 23 | get => Wren.GetGCEnabled(m_Ptr); 24 | 25 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 26 | set => Wren.SetGCEnabled(m_Ptr, value); 27 | } 28 | 29 | #endregion 30 | 31 | /// 32 | /// Sets the enabled state of the Wren garbage collector. 33 | /// 34 | /// The enabled state to set. 35 | public void SetGCEnabled(bool gcEnabled) => Wren.SetGCEnabled(m_Ptr, gcEnabled); 36 | 37 | /// 38 | /// Gets the enabled state of the Wren garbage collector. 39 | /// 40 | /// True if the Wren garbage collector is enabled, otherwise false. 41 | public bool GetGCEnabled() => Wren.GetGCEnabled(m_Ptr); 42 | } 43 | } 44 | #endif 45 | -------------------------------------------------------------------------------- /WrenSharp.Core.Templates/WrenList.tt: -------------------------------------------------------------------------------- 1 | <#@ template debug="false" hostspecific="false" language="C#" #> 2 | <#@ output extension=".cs" #> 3 | using WrenSharp.Native; 4 | using System; 5 | 6 | namespace WrenSharp 7 | { 8 | public readonly partial struct WrenList 9 | { 10 | <# 11 | string[] typeNames = new string[] { "string", "double", "bool", "in WrenHandle" }; 12 | string[] typeTitleCase = new string[] { "String", "Double", "Bool", "Handle" }; 13 | 14 | for (int i = 0; i < typeNames.Length; i++) 15 | { 16 | string valueType = typeNames[i]; 17 | 18 | if (valueType != "in WrenHandle") 19 | { 20 | #> 21 | public <#=valueType#> Get<#=typeTitleCase[i]#>(int index, int? elementSlot = default) 22 | { 23 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 24 | Wren.GetListElement(m_Vm.m_Ptr, m_ListSlot, index, slot); 25 | return m_Vm.GetSlot<#=typeTitleCase[i]#>(slot); 26 | } 27 | 28 | <# 29 | } 30 | #> 31 | 32 | public bool Contains(<#=valueType#> value, int? elementSlot = default) 33 | { 34 | return IndexOf(value, elementSlot) >= 0; 35 | } 36 | 37 | public void Add(<#=valueType#> value, int? elementSlot = default) 38 | { 39 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 40 | m_Vm.SetSlot(slot, value); 41 | Wren.InsertInList(m_Vm.m_Ptr, m_ListSlot, -1, slot); 42 | } 43 | 44 | public void Insert(int index, <#=valueType#> value, int? elementSlot = default) 45 | { 46 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 47 | m_Vm.SetSlot(slot, value); 48 | Wren.InsertInList(m_Vm.m_Ptr, m_ListSlot, index, slot); 49 | } 50 | 51 | public void Set(int index, <#=valueType#> value, int? elementSlot = default) 52 | { 53 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 54 | m_Vm.SetSlot(slot, value); 55 | Wren.SetListElement(m_Vm.m_Ptr, m_ListSlot, index, slot); 56 | } 57 | 58 | #if WRENSHARP_EXT 59 | public int IndexOf(<#=valueType#> value, int? elementSlot = default) 60 | { 61 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 62 | m_Vm.SetSlot(slot, value); 63 | return Wren.GetListIndexOf(m_Vm.m_Ptr, m_ListSlot, slot); 64 | } 65 | #else 66 | public int IndexOf(<#=valueType#> value, int? elementSlot = default) 67 | { 68 | int slot = elementSlot.GetValueOrDefault(m_DefaultElementSlot); 69 | m_Vm.SetSlot(m_DefaultElementSlot, value); 70 | 71 | int count = Wren.GetListCount(m_Vm.m_Ptr, m_ListSlot); 72 | for (int i = 0; i < count; i++) 73 | { 74 | Wren.GetListElement(m_Vm.m_Ptr, m_ListSlot, i, slot); 75 | <# 76 | if (valueType == "in WrenHandle") 77 | { 78 | #> 79 | if (m_Vm.GetSlot<#=typeTitleCase[i]#>(slot) == value.m_Ptr) 80 | { 81 | return i; 82 | } 83 | <# 84 | } 85 | else 86 | { 87 | #> 88 | if (m_Vm.GetSlot<#=typeTitleCase[i]#>(slot) == value) 89 | { 90 | return i; 91 | } 92 | <# 93 | } 94 | #> 95 | 96 | } 97 | 98 | return -1; 99 | } 100 | #endif 101 | 102 | <# 103 | } 104 | #> 105 | } 106 | } -------------------------------------------------------------------------------- /WrenSharp.Core.Templates/WrenSharp.Core.Templates.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | netstandard2.1 5 | enable 6 | True 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | WrenList.cs 16 | TextTemplatingFileGenerator 17 | 18 | 19 | TextTemplatingFileGenerator 20 | WrenMap.cs 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | WrenList.tt 31 | True 32 | True 33 | 34 | 35 | True 36 | True 37 | WrenMap.tt 38 | 39 | 40 | 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /WrenSharp.Lib.NetStandard/Unsafe/WrenMethod.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.InteropServices; 4 | 5 | namespace WrenSharp.Unsafe 6 | { 7 | internal unsafe partial struct WrenInternalMethod 8 | { 9 | [FieldOffset(8)] 10 | private readonly IntPtr m_Foreign; 11 | 12 | [FieldOffset(16)] 13 | private readonly IntPtr m_Closure; 14 | } 15 | } 16 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.NetStandard/Wren.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace WrenSharp.Native 5 | { 6 | public partial class Wren 7 | { 8 | public const string NativeLibrary = "wren"; 9 | } 10 | 11 | public partial class WrenNativeFn 12 | { 13 | // Foriegn 14 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 15 | public delegate ForeignMethod BindForeignMethod(IntPtr vm, string module, string className, byte isStatic, string signature); 16 | 17 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 18 | public delegate void ForeignMethod(IntPtr vm); 19 | 20 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 21 | public delegate void Finalizer(IntPtr data); 22 | } 23 | 24 | /// 25 | /// Represents the native WrenForeignClassMethods struct that provides allocate and finalize 26 | /// function pointers for a Wren foreign class instantiation. 27 | /// C type: struct WrenForeignClassMethods 28 | /// 29 | [StructLayout(LayoutKind.Sequential, Size = 16)] 30 | public struct WrenForeignClassMethods 31 | { 32 | // This struct is passed directly into Wren native functions, 33 | // so the layout must match the native C WrenConfiguration type. 34 | 35 | public WrenNativeFn.ForeignMethod Allocate; 36 | public WrenNativeFn.Finalizer Finalize; 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /WrenSharp.Lib.NetStandard/WrenSharp.Lib.NetStandard.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netstandard2.1 5 | True 6 | Debug;Release 7 | $(MSBuildProjectName) 8 | WrenSharp.Internal 9 | 10 | 11 | 12 | $(DefineConstants);WRENSHARP_EXT 13 | 14 | 15 | 16 | $(DefineConstants);WRENSHARP_EXT 17 | 18 | 19 | 20 | 21 | Always 22 | 23 | 24 | Always 25 | 26 | 27 | Always 28 | 29 | 30 | 31 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /WrenSharp.Lib.NetStandard/wren.dll: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stevewoolcock/WrenSharp/6b44a219a1dfb0bca559480532e97645e879ff8b/WrenSharp.Lib.NetStandard/wren.dll -------------------------------------------------------------------------------- /WrenSharp.Lib.NetStandard/wren.exp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stevewoolcock/WrenSharp/6b44a219a1dfb0bca559480532e97645e879ff8b/WrenSharp.Lib.NetStandard/wren.exp -------------------------------------------------------------------------------- /WrenSharp.Lib.NetStandard/wren.lib: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stevewoolcock/WrenSharp/6b44a219a1dfb0bca559480532e97645e879ff8b/WrenSharp.Lib.NetStandard/wren.lib -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/StringBuilderCache.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Text; 3 | 4 | namespace WrenSharp.Internal 5 | { 6 | /// 7 | /// From .NET: https://github.com/dotnet/runtime/blob/main/src/libraries/Common/src/System/Text/StringBuilderCache.cs 8 | /// 9 | internal static class StringBuilderCache 10 | { 11 | internal const int MaxBuilderSize = 360; 12 | private const int DefaultCapacity = 16; 13 | 14 | [ThreadStatic] 15 | private static StringBuilder _cachedInstance; 16 | 17 | public static StringBuilder Acquire(int capacity = DefaultCapacity) 18 | { 19 | if (capacity <= MaxBuilderSize) 20 | { 21 | StringBuilder sb = _cachedInstance; 22 | if (sb != null) 23 | { 24 | if (capacity <= sb.Capacity) 25 | { 26 | _cachedInstance = null; 27 | sb.Clear(); 28 | return sb; 29 | } 30 | } 31 | } 32 | 33 | return new StringBuilder(capacity); 34 | } 35 | 36 | public static void Release(StringBuilder sb) 37 | { 38 | if (sb.Capacity <= MaxBuilderSize) 39 | { 40 | _cachedInstance = sb; 41 | } 42 | } 43 | 44 | public static string GetStringAndRelease(StringBuilder sb) 45 | { 46 | string result = sb.ToString(); 47 | Release(sb); 48 | return result; 49 | } 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/UnsafeUtils.cs: -------------------------------------------------------------------------------- 1 | using System.Runtime.CompilerServices; 2 | 3 | namespace WrenSharp.Unsafe 4 | { 5 | internal class UnsafeUtils 6 | { 7 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 8 | public unsafe static int Memcmp(void* str1, void* str2, int count) 9 | { 10 | byte* s1 = (byte*)str1; 11 | byte* s2 = (byte*)str2; 12 | while (count-- > 0) 13 | { 14 | if (*s1++ != *s2++) 15 | return s1[-1] < s2[-1] ? -1 : 1; 16 | } 17 | 18 | return 0; 19 | } 20 | 21 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 22 | public unsafe static bool Memeq(void* str1, void* str2, int count) 23 | { 24 | if (str1 == str2) 25 | return true; 26 | 27 | byte* s1 = (byte*)str1; 28 | byte* s2 = (byte*)str2; 29 | while (count-- > 0) 30 | { 31 | if (*s1++ != *s2++) 32 | return false; 33 | } 34 | 35 | return true; 36 | } 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenCallContextUnsafeExtensions.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | namespace WrenSharp.Unsafe 3 | { 4 | public static class WrenCallContextUnsafeExtensions 5 | { 6 | public static 7 | } 8 | } 9 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenClass.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | 4 | namespace WrenSharp.Unsafe 5 | { 6 | public readonly unsafe struct WrenClass : IEquatable 7 | { 8 | private readonly WrenInternalObjClass* m_Ptr; 9 | 10 | #region Properties 11 | 12 | /// 13 | /// Indicates if the value has a valid underlying pointer. 14 | /// 15 | public bool IsValid => m_Ptr != null; 16 | 17 | /// 18 | /// The header for this object. 19 | /// 20 | public WrenObject Object => new WrenObject(&m_Ptr->Object); 21 | 22 | /// 23 | /// The number of fields. 24 | /// 25 | public int FieldCount => m_Ptr->NumFields; 26 | 27 | /// 28 | /// The superclass of this class. 29 | /// 30 | public WrenClass Superclass => new WrenClass(m_Ptr->Superclass); 31 | 32 | /// 33 | /// The name of the class. 34 | /// 35 | public WrenString Name => new WrenString(m_Ptr->Name); 36 | 37 | #endregion 38 | 39 | internal WrenClass(WrenInternalObjClass* cls) 40 | { 41 | m_Ptr = cls; 42 | } 43 | 44 | #region Object 45 | 46 | public bool Equals(WrenClass other) => other.m_Ptr == m_Ptr; 47 | 48 | public override bool Equals(object obj) => obj is WrenClass cls && Equals(cls); 49 | 50 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 51 | 52 | public override string ToString() => Name.ToString(); 53 | 54 | #endregion 55 | 56 | #region Operators 57 | 58 | public static bool operator ==(WrenClass left, WrenClass right) => left.Equals(right); 59 | public static bool operator !=(WrenClass left, WrenClass right) => !(left == right); 60 | 61 | #endregion 62 | } 63 | } 64 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenForeign.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | 4 | namespace WrenSharp.Unsafe 5 | { 6 | public readonly unsafe struct WrenForeign : IEquatable 7 | { 8 | private readonly WrenInternalObjForeign* m_Ptr; 9 | 10 | #region Properties 11 | 12 | /// 13 | /// Indicates if the value has a valid underlying pointer. 14 | /// 15 | public bool IsValid => m_Ptr != null; 16 | 17 | /// 18 | /// The header for this object. 19 | /// 20 | public WrenObject Object => new WrenObject(&m_Ptr->Object); 21 | 22 | /// 23 | /// The size of the memory block that was allocated for the instance. 24 | /// 25 | public int Size => (int)m_Ptr->Size; 26 | 27 | /// 28 | /// Gets the values of the instance's fields. It is recommended to fetch the span once and cache 29 | /// it in a local variable before iterating. 30 | /// 31 | public byte* Data => &m_Ptr->Data; 32 | 33 | /// 34 | /// Returns a span wrapping the foreign instance's data. 35 | /// 36 | public Span Span => new Span(&m_Ptr->Data, (int)m_Ptr->Size); 37 | 38 | #endregion 39 | 40 | internal WrenForeign(WrenInternalObjForeign* instance) 41 | { 42 | m_Ptr = instance; 43 | } 44 | 45 | public ref T As() where T : unmanaged => ref *(T*)&m_Ptr->Data; 46 | 47 | public T* AsPtr() where T : unmanaged => (T*)&m_Ptr->Data; 48 | 49 | public Span AsSpan() where T : unmanaged => new Span(&m_Ptr->Data, Size / sizeof(T)); 50 | 51 | #region Object 52 | 53 | public bool Equals(WrenForeign other) => other.m_Ptr == m_Ptr; 54 | 55 | public override bool Equals(object obj) => obj is WrenForeign instance && Equals(instance); 56 | 57 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 58 | 59 | public override string ToString() => $"instance of {Object.Class.Name}"; 60 | 61 | #endregion 62 | 63 | public static bool operator ==(WrenForeign left, WrenForeign right) => left.Equals(right); 64 | public static bool operator !=(WrenForeign left, WrenForeign right) => !(left == right); 65 | } 66 | } 67 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenInstance.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | 4 | namespace WrenSharp.Unsafe 5 | { 6 | public readonly unsafe struct WrenInstance : IEquatable 7 | { 8 | private readonly WrenInternalObjInstance* m_Ptr; 9 | 10 | #region Properties 11 | 12 | /// 13 | /// Indicates if the value has a valid underlying pointer. 14 | /// 15 | public bool IsValid => m_Ptr != null; 16 | 17 | /// 18 | /// The header for this object. 19 | /// 20 | public WrenObject Object => new WrenObject(&m_Ptr->Object); 21 | 22 | /// 23 | /// Gets the of the instance. 24 | /// 25 | public WrenClass Class => new WrenClass(m_Ptr->Object.ClassObj); 26 | 27 | /// 28 | /// The number of fields. 29 | /// 30 | public int FieldCount => m_Ptr->Object.ClassObj->NumFields; 31 | 32 | /// 33 | /// Gets the values of the instance's fields. It is recommended to fetch the span once and cache 34 | /// it in a local variable before iterating. 35 | /// 36 | public Span Fields => new Span(&m_Ptr->Fields, m_Ptr->Object.ClassObj->NumFields); 37 | 38 | #endregion 39 | 40 | internal WrenInstance(WrenInternalObjInstance* instance) 41 | { 42 | m_Ptr = instance; 43 | } 44 | 45 | #region Object 46 | 47 | public bool Equals(WrenInstance other) => other.m_Ptr == m_Ptr; 48 | 49 | public override bool Equals(object obj) => obj is WrenInstance instance && Equals(instance); 50 | 51 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 52 | 53 | public override string ToString() => $"instance of {Object.Class.Name}"; 54 | 55 | #endregion 56 | 57 | public static bool operator ==(WrenInstance left, WrenInstance right) => left.Equals(right); 58 | public static bool operator !=(WrenInstance left, WrenInstance right) => !(left == right); 59 | } 60 | } 61 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenInternalTypes.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.CompilerServices; 4 | using System.Runtime.InteropServices; 5 | 6 | namespace WrenSharp.Unsafe 7 | { 8 | [StructLayout(LayoutKind.Sequential)] 9 | internal unsafe struct WrenInternalObj 10 | { 11 | public WrenObjectType Type; 12 | private readonly byte IsDark; 13 | public WrenInternalObjClass* ClassObj; 14 | private readonly WrenInternalObj* Next; 15 | } 16 | 17 | [StructLayout(LayoutKind.Sequential)] 18 | internal unsafe readonly struct WrenInternalObjClass 19 | { 20 | public readonly WrenInternalObj Object; 21 | public readonly WrenInternalObjClass* Superclass; 22 | public readonly int NumFields; 23 | private readonly WrenInternalBuffer m_MethodBuffer; 24 | public readonly WrenInternalObjString* Name; 25 | 26 | // Flexible array, size is undefined 27 | public readonly WrenValue AttributesValue; 28 | } 29 | 30 | [StructLayout(LayoutKind.Sequential)] 31 | internal unsafe struct WrenInternalObjString 32 | { 33 | public WrenInternalObj Object; 34 | public int Length; 35 | public int Hash; 36 | 37 | // Flexible array, size is undefined 38 | public byte ValueArray; 39 | } 40 | 41 | [StructLayout(LayoutKind.Sequential)] 42 | internal unsafe struct WrenInternalObjInstance 43 | { 44 | public WrenInternalObj Object; 45 | 46 | // Flexible array, size is undefined 47 | public WrenValue Fields; 48 | } 49 | 50 | [StructLayout(LayoutKind.Sequential)] 51 | internal unsafe struct WrenInternalObjForeign 52 | { 53 | public WrenInternalObj Object; 54 | 55 | // WrenSharp extension 56 | // Vanilla Wren does not store the size of the data block 57 | public ulong Size; 58 | 59 | // Flexible array, size is undefined 60 | public byte Data; 61 | } 62 | 63 | [StructLayout(LayoutKind.Sequential)] 64 | internal unsafe struct WrenInternalObjList 65 | { 66 | public WrenInternalObj Object; 67 | public WrenInternalBuffer Elements; 68 | } 69 | 70 | [StructLayout(LayoutKind.Sequential)] 71 | internal unsafe struct WrenInternalObjMap 72 | { 73 | [StructLayout(LayoutKind.Sequential)] 74 | internal unsafe struct Entry 75 | { 76 | public WrenValue Key; 77 | public WrenValue Value; 78 | } 79 | 80 | public WrenInternalObj Object; 81 | public uint Capacity; 82 | public uint Count; 83 | public Entry* Entries; 84 | } 85 | 86 | [StructLayout(LayoutKind.Sequential)] 87 | internal unsafe struct WrenInternalObjRange 88 | { 89 | public WrenInternalObj Object; 90 | public double From; 91 | public double To; 92 | [MarshalAs(UnmanagedType.U1)] 93 | public bool IsInclusive; 94 | } 95 | 96 | [StructLayout(LayoutKind.Sequential)] 97 | internal unsafe struct WrenInternalBuffer where T : unmanaged 98 | { 99 | public T* Data; 100 | public int Count; 101 | public int Capacity; 102 | 103 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 104 | public Span AsSpan() => new Span(Data, Count); 105 | } 106 | 107 | [StructLayout(LayoutKind.Explicit)] 108 | internal unsafe partial struct WrenInternalMethod 109 | { 110 | [FieldOffset(0)] 111 | private readonly IntPtr m_Primitive; 112 | 113 | // The rest of this must be filled out by the main project implementation, 114 | // as it differs between the standard lib and the Unity lib. 115 | } 116 | } 117 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenNativeHandle.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.CompilerServices; 4 | 5 | namespace WrenSharp.Unsafe 6 | { 7 | public readonly unsafe struct WrenNativeHandle : IEquatable 8 | { 9 | public readonly WrenValue Value; 10 | public readonly WrenNativeHandle* Prev; 11 | public readonly WrenNativeHandle* Next; 12 | 13 | #region Object 14 | 15 | public override bool Equals(object obj) => obj is WrenNativeHandle handle && Equals(handle); 16 | 17 | public bool Equals(WrenNativeHandle other) => other.Value == Value && other.Prev == Prev && other.Next == Next; 18 | 19 | public override int GetHashCode() => HashCode.Combine(Value, (IntPtr)Prev, (IntPtr)Next); 20 | 21 | public override string ToString() => $"{nameof(WrenNativeHandle)}({Value})"; 22 | 23 | #endregion 24 | 25 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 26 | public static bool operator ==(WrenNativeHandle left, WrenNativeHandle right) => left.Equals(right); 27 | 28 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 29 | public static bool operator !=(WrenNativeHandle left, WrenNativeHandle right) => !(left == right); 30 | 31 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 32 | public static bool operator ==(WrenNativeHandle left, WrenValue right) => left.Value == right; 33 | 34 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 35 | public static bool operator !=(WrenNativeHandle left, WrenValue right) => left.Value != right; 36 | } 37 | } 38 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenNativeList.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Collections.Generic; 4 | 5 | namespace WrenSharp.Unsafe 6 | { 7 | public readonly unsafe struct WrenNativeList : IEquatable, IReadOnlyList 8 | { 9 | private readonly WrenInternalObjList* m_Ptr; 10 | 11 | #region Properties 12 | 13 | /// 14 | /// Indicates if the value has a valid underlying pointer. 15 | /// 16 | public bool IsValid => m_Ptr != null; 17 | 18 | /// 19 | /// The header for this object. 20 | /// 21 | public WrenObject Object => new WrenObject(&m_Ptr->Object); 22 | 23 | /// 24 | /// Gets the count of elements in the list 25 | /// 26 | public int Count => m_Ptr->Elements.Count; 27 | 28 | /// 29 | /// Gets the capacity of the list. 30 | /// 31 | public int Capacity => m_Ptr->Elements.Capacity; 32 | 33 | /// 34 | /// Gets a span of the elements in the list. 35 | /// 36 | public Span Elements => m_Ptr->Elements.AsSpan(); 37 | 38 | /// 39 | /// Gets or sets the at . 40 | /// 41 | /// 42 | /// 43 | public WrenValue this[int index] 44 | { 45 | get 46 | { 47 | if (index < 0 || index >= m_Ptr->Elements.Count) 48 | throw new ArgumentOutOfRangeException(nameof(index)); 49 | 50 | return m_Ptr->Elements.Data[index]; 51 | } 52 | 53 | set 54 | { 55 | if (index < 0 || index >= m_Ptr->Elements.Count) 56 | throw new ArgumentOutOfRangeException(nameof(index)); 57 | 58 | m_Ptr->Elements.Data[index] = value; 59 | } 60 | } 61 | 62 | #endregion 63 | 64 | internal WrenNativeList(WrenInternalObjList* instance) 65 | { 66 | m_Ptr = instance; 67 | } 68 | 69 | public bool Contains(WrenValue value) => IndexOf(value) >= 0; 70 | 71 | public int IndexOf(WrenValue value) 72 | { 73 | for (int i = 0, len = m_Ptr->Elements.Count; i < len; i++) 74 | { 75 | if (m_Ptr->Elements.Data[i] == value) 76 | return i; 77 | } 78 | 79 | return -1; 80 | } 81 | 82 | #region Object 83 | 84 | public bool Equals(WrenNativeList other) => other.m_Ptr == m_Ptr; 85 | 86 | public override bool Equals(object obj) => obj is WrenNativeList instance && Equals(instance); 87 | 88 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 89 | 90 | public override string ToString() => $"instance of List"; 91 | 92 | public Enumerator GetEnumerator() => new Enumerator(m_Ptr); 93 | 94 | #endregion 95 | 96 | #region IEnumerable 97 | 98 | IEnumerator IEnumerable.GetEnumerator() => new Enumerator(m_Ptr); 99 | 100 | System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() => new Enumerator(m_Ptr); 101 | 102 | #endregion 103 | 104 | public static bool operator ==(WrenNativeList left, WrenNativeList right) => left.Equals(right); 105 | public static bool operator !=(WrenNativeList left, WrenNativeList right) => !(left == right); 106 | 107 | [Serializable] 108 | public struct Enumerator : IEnumerator, System.Collections.IEnumerator 109 | { 110 | private readonly WrenInternalObjList* m_List; 111 | private WrenValue* m_Current; 112 | private int m_Index; 113 | 114 | internal Enumerator(WrenInternalObjList* buffer) 115 | { 116 | m_List = buffer; 117 | m_Index = 0; 118 | m_Current = default; 119 | } 120 | 121 | public void Dispose() 122 | { 123 | } 124 | 125 | public bool MoveNext() 126 | { 127 | if ((uint)m_Index < (uint)m_List->Elements.Count) 128 | { 129 | m_Current = &m_List->Elements.Data[m_Index]; 130 | m_Index++; 131 | return true; 132 | } 133 | 134 | return MoveNextRare(); 135 | } 136 | 137 | private bool MoveNextRare() 138 | { 139 | m_Index = m_List->Elements.Count + 1; 140 | m_Current = default; 141 | return false; 142 | } 143 | 144 | public WrenValue Current => *m_Current; 145 | 146 | object System.Collections.IEnumerator.Current => Current; 147 | 148 | void System.Collections.IEnumerator.Reset() 149 | { 150 | m_Index = 0; 151 | m_Current = default; 152 | } 153 | } 154 | } 155 | } 156 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenNativeMap.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | 4 | namespace WrenSharp.Unsafe 5 | { 6 | public readonly unsafe struct WrenNativeMap : IEquatable 7 | { 8 | private readonly WrenInternalObjMap* m_Ptr; 9 | 10 | #region Properties 11 | 12 | /// 13 | /// Indicates if the value has a valid underlying pointer. 14 | /// 15 | public bool IsValid => m_Ptr != null; 16 | 17 | /// 18 | /// The header for this object. 19 | /// 20 | public WrenObject Object => new WrenObject(&m_Ptr->Object); 21 | 22 | /// 23 | /// Gets the count of entries in the map. 24 | /// 25 | public int Count => (int)m_Ptr->Count; 26 | 27 | /// 28 | /// Gets the capacity of the map. 29 | /// 30 | public int Capacity => (int)m_Ptr->Capacity; 31 | 32 | #endregion 33 | 34 | internal WrenNativeMap(WrenInternalObjMap* instance) 35 | { 36 | m_Ptr = instance; 37 | } 38 | 39 | #region Object 40 | 41 | public bool Equals(WrenNativeMap other) => other.m_Ptr == m_Ptr; 42 | 43 | public override bool Equals(object obj) => obj is WrenNativeMap instance && Equals(instance); 44 | 45 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 46 | 47 | public override string ToString() => $"instance of Map"; 48 | 49 | #endregion 50 | 51 | public static bool operator ==(WrenNativeMap left, WrenNativeMap right) => left.Equals(right); 52 | public static bool operator !=(WrenNativeMap left, WrenNativeMap right) => !(left == right); 53 | } 54 | } 55 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenObjType.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.InteropServices; 4 | 5 | namespace WrenSharp.Unsafe 6 | { 7 | public enum WrenObjType 8 | { 9 | // No Wren equivalent 10 | Unknown = -1, 11 | 12 | // OBJ_CLASS 13 | Class, 14 | 15 | // OBJ_CLOSURE 16 | Closure, 17 | 18 | // OBJ_FIBER 19 | Fiber, 20 | 21 | // OBJ_FN 22 | Function, 23 | 24 | // OBJ_FOREIGN 25 | Foreign, 26 | 27 | // OBJ_INSTANCE 28 | Instance, 29 | 30 | // OBJ_LIST 31 | List, 32 | 33 | // OBJ_MAP 34 | Map, 35 | 36 | // OBJ_MODULE 37 | Module, 38 | 39 | // OBJ_RANGE 40 | Range, 41 | 42 | // OBJ_STRING 43 | String, 44 | 45 | // OBJ_UPVALUE 46 | Upvalue 47 | } 48 | 49 | [StructLayout(LayoutKind.Sequential)] 50 | public unsafe struct WrenObj 51 | { 52 | public WrenObjType Type; 53 | private readonly byte IsDark; 54 | public WrenObjClass* ClassObj; 55 | private readonly WrenObj* Next; 56 | } 57 | 58 | [StructLayout(LayoutKind.Sequential)] 59 | public unsafe readonly struct WrenObjClass 60 | { 61 | public readonly WrenObj Object; 62 | public readonly WrenObjClass* Superclass; 63 | public readonly int NumFields; 64 | private readonly WrenBuffer m_MethodBuffer; 65 | internal readonly WrenObjString* m_Name; 66 | 67 | // Flexible array, size is undefined 68 | internal readonly WrenValue m_AttributesValue; 69 | } 70 | 71 | [StructLayout(LayoutKind.Sequential)] 72 | internal unsafe struct WrenObjString 73 | { 74 | /// 75 | /// Converts a UTF8 Wren string to a managed string. 76 | /// 77 | /// The to convert. 78 | /// A managed string containing the contents of . 79 | public static string ToManagedString(WrenObjString* str) => System.Text.Encoding.UTF8.GetString(&str->ValueArray, str->Length); 80 | 81 | public WrenObj Obj; 82 | public int Length; 83 | public int Hash; 84 | 85 | // Flexible array, size is undefined 86 | public byte ValueArray; 87 | } 88 | 89 | [StructLayout(LayoutKind.Sequential)] 90 | internal unsafe struct WrenObjInstance 91 | { 92 | public WrenObj Obj; 93 | 94 | // Flexible array, size is undefined 95 | public WrenValue Fields; 96 | } 97 | 98 | [StructLayout(LayoutKind.Sequential)] 99 | internal unsafe struct WrenObjRange 100 | { 101 | public WrenObj Obj; 102 | public double From; 103 | public double To; 104 | [MarshalAs(UnmanagedType.U1)] 105 | public bool IsInclusive; 106 | } 107 | 108 | [StructLayout(LayoutKind.Sequential)] 109 | internal unsafe struct WrenBuffer where T : unmanaged 110 | { 111 | internal T* m_Data; 112 | internal int m_Count; 113 | internal int m_Capacity; 114 | } 115 | 116 | [StructLayout(LayoutKind.Explicit)] 117 | internal unsafe readonly partial struct WrenMethod 118 | { 119 | [FieldOffset(0)] 120 | private readonly IntPtr m_Primitive; 121 | 122 | // The rest of this must be filled out by the main project implementation, 123 | // as it differs between the standard lib and the Unity lib. 124 | } 125 | } 126 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenObject.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.CompilerServices; 4 | 5 | namespace WrenSharp.Unsafe 6 | { 7 | public readonly unsafe struct WrenObject : IEquatable 8 | { 9 | internal readonly WrenInternalObj* m_Ptr; 10 | 11 | #region Properties 12 | 13 | /// 14 | /// Indicates if the value has a valid underlying pointer. 15 | /// 16 | public bool IsValid => m_Ptr != null; 17 | 18 | /// 19 | /// The class of the object. 20 | /// 21 | public WrenClass Class => new WrenClass(m_Ptr->ClassObj); 22 | 23 | /// 24 | /// The type of the object 25 | /// 26 | public WrenObjectType Type => m_Ptr->Type; 27 | 28 | #endregion 29 | 30 | internal WrenObject(WrenInternalObj* cls) 31 | { 32 | m_Ptr = cls; 33 | } 34 | 35 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 36 | public bool IsType(WrenObjectType type) => m_Ptr->Type == type; 37 | 38 | public WrenClass AsClass() => IsType(WrenObjectType.Class) ? new WrenClass((WrenInternalObjClass*)m_Ptr) : default; 39 | 40 | public WrenInstance AsInstance() => IsType(WrenObjectType.Instance) ? new WrenInstance((WrenInternalObjInstance*)m_Ptr) : default; 41 | 42 | public WrenForeign AsForeign() => IsType(WrenObjectType.Foreign) ? new WrenForeign((WrenInternalObjForeign*)m_Ptr) : default; 43 | 44 | public T AsForeign() where T : unmanaged => IsType(WrenObjectType.Foreign) ? *(T*)((WrenInternalObjForeign*)m_Ptr)->Data : default; 45 | 46 | public T* AsForeignPtr() where T : unmanaged => IsType(WrenObjectType.Foreign) ? (T*)((WrenInternalObjForeign*)m_Ptr)->Data : default; 47 | 48 | public WrenString AsString() => IsType(WrenObjectType.String) ? new WrenString((WrenInternalObjString*)m_Ptr) : default; 49 | 50 | public WrenNativeList AsList() => IsType(WrenObjectType.List) ? new WrenNativeList((WrenInternalObjList*)m_Ptr) : default; 51 | 52 | public WrenNativeMap AsMap() => IsType(WrenObjectType.Map) ? new WrenNativeMap((WrenInternalObjMap*)m_Ptr) : default; 53 | 54 | #region Object 55 | 56 | public bool Equals(WrenObject other) => other.m_Ptr == m_Ptr; 57 | 58 | public override bool Equals(object obj) => obj is WrenObject cls && Equals(cls); 59 | 60 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 61 | 62 | public override string ToString() => WrenString.ToManagedString(m_Ptr->ClassObj->Name); 63 | 64 | #endregion 65 | 66 | #region Operators 67 | 68 | public static bool operator ==(WrenObject left, WrenObject right) => left.Equals(right); 69 | public static bool operator !=(WrenObject left, WrenObject right) => !(left == right); 70 | 71 | public static explicit operator WrenObjectType(WrenObject obj) => obj.Type; 72 | public static explicit operator WrenClass(WrenObject obj) => obj.AsClass(); 73 | public static explicit operator WrenInstance(WrenObject obj) => obj.AsInstance(); 74 | public static explicit operator WrenString(WrenObject obj) => obj.AsString(); 75 | public static explicit operator WrenForeign(WrenObject obj) => obj.AsForeign(); 76 | public static explicit operator WrenNativeList(WrenObject obj) => obj.AsList(); 77 | public static explicit operator WrenNativeMap(WrenObject obj) => obj.AsMap(); 78 | 79 | #endregion 80 | } 81 | } 82 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenObjectType.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | namespace WrenSharp.Unsafe 3 | { 4 | public enum WrenObjectType 5 | { 6 | // No Wren equivalent 7 | Unknown = -1, 8 | 9 | // OBJ_CLASS 10 | Class, 11 | 12 | // OBJ_CLOSURE 13 | Closure, 14 | 15 | // OBJ_FIBER 16 | Fiber, 17 | 18 | // OBJ_FN 19 | Function, 20 | 21 | // OBJ_FOREIGN 22 | Foreign, 23 | 24 | // OBJ_INSTANCE 25 | Instance, 26 | 27 | // OBJ_LIST 28 | List, 29 | 30 | // OBJ_MAP 31 | Map, 32 | 33 | // OBJ_MODULE 34 | Module, 35 | 36 | // OBJ_RANGE 37 | Range, 38 | 39 | // OBJ_STRING 40 | String, 41 | 42 | // OBJ_UPVALUE 43 | Upvalue 44 | } 45 | } 46 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/Unsafe/WrenString.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | 4 | namespace WrenSharp.Unsafe 5 | { 6 | /// 7 | /// A managed wrapper for a Wren string object. 8 | /// 9 | public readonly unsafe struct WrenString : IEquatable 10 | { 11 | /// 12 | /// Converts a UTF8 Wren string to a managed string. 13 | /// 14 | /// The to convert. 15 | /// A managed string containing the contents of . 16 | internal static string ToManagedString(WrenInternalObjString* str) => System.Text.Encoding.UTF8.GetString(&str->ValueArray, str->Length); 17 | 18 | private readonly WrenInternalObjString* m_Ptr; 19 | 20 | #region Properties 21 | 22 | /// 23 | /// Indicates if the value has a valid underlying pointer. 24 | /// 25 | public bool IsValid => m_Ptr != null; 26 | 27 | /// 28 | /// The header for this object. 29 | /// 30 | public WrenObject Object => new WrenObject(&m_Ptr->Object); 31 | 32 | /// 33 | /// The number of code points in the string. Wren strings are UTF8 encoded. 34 | /// 35 | public int Length => m_Ptr->Length; 36 | 37 | /// 38 | /// The hash of the string. 39 | /// 40 | public int Hash => m_Ptr->Hash; 41 | 42 | /// 43 | /// The pointer to the contents of the string. 44 | /// 45 | public byte* ValuePtr => &m_Ptr->ValueArray; 46 | 47 | /// 48 | /// A span containing the the code points of the string. 49 | /// 50 | public ReadOnlySpan ValueSpan => new ReadOnlySpan(&m_Ptr->ValueArray, m_Ptr->Length); 51 | 52 | #endregion 53 | 54 | internal WrenString(WrenInternalObjString* stringObj) 55 | { 56 | m_Ptr = stringObj; 57 | } 58 | 59 | public bool Equals(WrenString other) 60 | { 61 | if (other.m_Ptr == m_Ptr) 62 | return true; 63 | 64 | return other.m_Ptr->Hash == m_Ptr->Hash && 65 | other.m_Ptr->Length == m_Ptr->Length && 66 | UnsafeUtils.Memeq(&other.m_Ptr->ValueArray, &m_Ptr->ValueArray, m_Ptr->Length); 67 | } 68 | 69 | public override bool Equals(object obj) => obj is WrenString other && Equals(other); 70 | 71 | public override int GetHashCode() => ((IntPtr)m_Ptr).GetHashCode(); 72 | 73 | public override string ToString() => ToManagedString(m_Ptr); 74 | } 75 | } 76 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/WrenErrorType.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// Represents error types that can be returned from Wren. These map directly to the 5 | /// values that Wren can return. 6 | /// 7 | public enum WrenErrorType 8 | { 9 | /// 10 | /// Represents a compile error while interpreting Wren source. 11 | /// C value: WREN_ERROR_COMPILE 12 | /// 13 | Compile, 14 | 15 | /// 16 | /// Represents a runtime error while executing Wren bytecode. 17 | /// C value: WREN_ERROR_RUNTIME 18 | /// 19 | Runtime, 20 | 21 | /// 22 | /// Represents a stack trace line from an error. 23 | /// C value: WREN_ERROR_STACK_TRACE 24 | /// 25 | StackTrace, 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/WrenInterpretResult.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// Return values from Wren VM interpret or method calls. 5 | /// 6 | public enum WrenInterpretResult 7 | { 8 | /// 9 | /// A successful result. 10 | /// C value: WREN_RESULT_SUCCESS 11 | /// 12 | Success, 13 | 14 | /// 15 | /// A compile error result. 16 | /// C value: WREN_RESULT_COMPILE_ERROR 17 | /// 18 | CompileError, 19 | 20 | /// 21 | /// A runtime error result. 22 | /// C value: WREN_RESULT_RUNTIME_ERROR 23 | /// 24 | RuntimeError, 25 | } 26 | 27 | public static class WrenInterpretResultExtensions 28 | { 29 | /// 30 | /// Indicates if is equal to . 31 | /// 32 | /// The result to check. 33 | /// True if is a success, otherwise false. 34 | public static bool IsSuccess(this WrenInterpretResult result) => result == WrenInterpretResult.Success; 35 | 36 | /// 37 | /// Indicates if is not equal to . 38 | /// 39 | /// The result to check. 40 | /// True if is not a success, otherwise false. 41 | public static bool IsFailure(this WrenInterpretResult result) => result != WrenInterpretResult.Success; 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/WrenNativeTypes.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace WrenSharp.Native 5 | { 6 | public partial class WrenNativeFn 7 | { 8 | #region Delegate Declarations 9 | 10 | // Memory 11 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 12 | public delegate IntPtr Reallocate(IntPtr memory, ulong newSize, IntPtr userData); 13 | 14 | // Modules 15 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 16 | public delegate WrenLoadModuleResult LoadModule(IntPtr vm, string name); 17 | 18 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 19 | public delegate void LoadModuleComplete(IntPtr vm, string name, WrenLoadModuleResult result); 20 | 21 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 22 | public delegate string ResolveModule(IntPtr vm, string importer, string name); 23 | 24 | // Writers 25 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 26 | public delegate void Write(IntPtr vm, string text); 27 | 28 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 29 | public delegate void Error(IntPtr vm, WrenErrorType errorType, string module, int line, string message); 30 | 31 | // Foreign 32 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 33 | public delegate WrenForeignClassMethods BindForeignClass(IntPtr vm, string module, string className); 34 | 35 | 36 | #endregion 37 | } 38 | 39 | /// 40 | /// Represents the native WrenConfiguration struct that is passed to Wren when creating new VM. 41 | /// C type: struct WrenConfiguration 42 | /// 43 | [StructLayout(LayoutKind.Sequential, Size = 88)] 44 | public struct WrenConfiguration 45 | { 46 | /// 47 | /// Creates a new, initialized . This method creates a new configuration, 48 | /// calls on it and returns the initialized value. 49 | /// 50 | /// An initialized . 51 | public static WrenConfiguration InitializeNew() 52 | { 53 | var config = new WrenConfiguration(); 54 | Wren.InitConfiguration(ref config); 55 | return config; 56 | } 57 | 58 | // This struct is passed directly into Wren native functions, 59 | // so the layout must match the native C WrenConfiguration type. 60 | 61 | public WrenNativeFn.Reallocate Reallocate; 62 | public WrenNativeFn.ResolveModule ResolveModule; 63 | public WrenNativeFn.LoadModule LoadModule; 64 | public WrenNativeFn.BindForeignMethod BindForeignMethod; 65 | public WrenNativeFn.BindForeignClass BindForeignClass; 66 | public WrenNativeFn.Write Write; 67 | public WrenNativeFn.Error Error; 68 | public ulong InitialHeapSize; 69 | public ulong MinHeapSize; 70 | public int HeapGrowthPercent; 71 | public IntPtr UserData; 72 | 73 | /// 74 | /// Indicates if the configuration has been initialized. 75 | /// 76 | public readonly bool IsInitialized => Reallocate != null && InitialHeapSize > 0; 77 | } 78 | 79 | /// 80 | /// Represents the native WrenLoadModuleResult struct that is sent to Wren when a module load request is made. 81 | /// C type: struct WrenLoadModuleResult 82 | /// 83 | [StructLayout(LayoutKind.Sequential, Size = 24)] 84 | public struct WrenLoadModuleResult 85 | { 86 | /// 87 | /// Gets a representing a failed load with no callback or user data attached. 88 | /// 89 | public static WrenLoadModuleResult Failed => new WrenLoadModuleResult 90 | { 91 | Source = IntPtr.Zero, 92 | UserData = IntPtr.Zero, 93 | #if WRENSHARP_UNITY 94 | OnCompleteCallback = IntPtr.Zero, 95 | #else 96 | OnCompleteCallback = null, 97 | #endif 98 | }; 99 | 100 | // This struct is passed directly into Wren native functions, 101 | // so the layout must match the native C WrenConfiguration type. 102 | 103 | /// 104 | /// Pointer to the string of Wren source that will be interpreted for the module. 105 | /// A value of should be used if the module was not found. 106 | /// 107 | public IntPtr Source; 108 | 109 | /// 110 | /// Function pointer to a delegate. 111 | /// 112 | #if WRENSHARP_UNITY 113 | // Unity IL2CPP fails to marshal the WrenNativeFn.LoadModuleComplete via p/invoke automatically. 114 | // Using an IntPtr and marshalling it manually as the correct type seems to work around this problem. 115 | // Possibly because one of its arguments is a struct of this type (WrenLoadModuleResult)? 116 | public IntPtr OnCompleteCallback; 117 | #else 118 | public WrenNativeFn.LoadModuleComplete OnCompleteCallback; 119 | #endif 120 | 121 | /// 122 | /// Pointer to user data 123 | /// 124 | public IntPtr UserData; 125 | } 126 | 127 | #if WRENSHARP_EXT 128 | [StructLayout(LayoutKind.Sequential, Size = 16)] 129 | public readonly struct WrenFiberResume 130 | { 131 | private readonly IntPtr m_Fiber; 132 | private readonly IntPtr m_ApiStack; 133 | 134 | /// 135 | /// Indicates if the value represents a value resume token. 136 | /// 137 | public bool IsValid => m_Fiber != IntPtr.Zero; 138 | } 139 | #endif 140 | } 141 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/WrenSharp.Lib.Shared.projitems: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | $(MSBuildAllProjects);$(MSBuildThisFileFullPath) 5 | true 6 | 18977aba-f8c7-4a53-a95b-9c181286f462 7 | 8 | 9 | WrenSharp.Internal 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/WrenSharp.Lib.Shared.shproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 18977aba-f8c7-4a53-a95b-9c181286f462 5 | 14.0 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Shared/WrenType.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// Represents Wren data types, used for indicating the type of a value in a variable or slot. 5 | /// 6 | public enum WrenType 7 | { 8 | /// 9 | /// A boolean value. 10 | /// C value: WREN_TYPE_BOOL 11 | /// 12 | Bool, 13 | 14 | /// 15 | /// A number value. 16 | /// C value: WREN_TYPE_NUM 17 | /// 18 | Number, 19 | 20 | /// 21 | /// A foreign value. 22 | /// C value: WREN_TYPE_FOREIGN 23 | /// 24 | Foreign, 25 | 26 | /// 27 | /// A list value. 28 | /// C value: WREN_TYPE_LIST 29 | /// 30 | List, 31 | 32 | /// 33 | /// A map value. 34 | /// C value: WREN_TYPE_MAP 35 | /// 36 | Map, 37 | 38 | /// 39 | /// A null value. 40 | /// C value: WREN_TYPE_NULL 41 | /// 42 | Null, 43 | 44 | /// 45 | /// A string value. 46 | /// C value: WREN_TYPE_STRING 47 | /// 48 | String, 49 | 50 | /// 51 | /// A unknown value. Receiving this type indicates an error. 52 | /// C value: WREN_TYPE_UNKNOWN 53 | /// 54 | Unknown 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Unity/Unsafe/WrenMethod.cs: -------------------------------------------------------------------------------- 1 | #if WRENSHARP_EXT 2 | using System; 3 | using System.Runtime.InteropServices; 4 | using WrenSharp.Native; 5 | 6 | namespace WrenSharp.Unsafe 7 | { 8 | internal unsafe partial struct WrenInternalMethod 9 | { 10 | [FieldOffset(8)] 11 | private fixed byte methods[WrenForeignMethodData.Size]; 12 | 13 | [FieldOffset(8 + WrenForeignMethodData.Size)] 14 | private readonly IntPtr m_Closure; 15 | } 16 | } 17 | #endif -------------------------------------------------------------------------------- /WrenSharp.Lib.Unity/Wren.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace WrenSharp.Native 5 | { 6 | public partial class Wren 7 | { 8 | #if WRENSHARP_UNITY_INTERNAL 9 | public const string NativeLibrary = "__Internal"; 10 | #else 11 | public const string NativeLibrary = "wren_unity"; 12 | #endif 13 | } 14 | 15 | public partial class WrenNativeFn 16 | { 17 | // Foriegn 18 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 19 | public delegate WrenForeignMethodData BindForeignMethod(IntPtr vm, string module, string className, byte isStatic, string signature); 20 | 21 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 22 | public delegate void ForeignMethod(IntPtr vm, ushort symbol); 23 | 24 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)] 25 | public delegate void Finalizer(IntPtr data, ushort symbol); 26 | } 27 | 28 | /// 29 | /// Represents the native WrenForeignClassMethods struct that provides allocate and finalize 30 | /// function pointers for a Wren foreign class instantiation. 31 | /// C type: struct WrenForeignClassMethods 32 | /// 33 | [StructLayout(LayoutKind.Sequential, Size = WrenForeignClassMethods.Size)] 34 | public struct WrenForeignClassMethods 35 | { 36 | /// 37 | /// The size of the struct type, in bytes. 38 | /// 39 | public const int Size = 32; 40 | 41 | // This struct is passed directly into Wren native functions, 42 | // so the layout must match the native C WrenConfiguration type. 43 | 44 | public WrenNativeFn.ForeignMethod Allocate; 45 | public ushort AllocateSymbol; 46 | 47 | public WrenNativeFn.Finalizer Finalize; 48 | public ushort FinalizeSymbol; 49 | } 50 | 51 | /// 52 | /// Represents the native WrenFindForeignMethodResult struct that provides a function pointer for a foreign method 53 | /// in a Wren class. 54 | /// C type: struct WrenFindForeignMethodResult 55 | /// 56 | [StructLayout(LayoutKind.Sequential, Size = WrenForeignMethodData.Size)] 57 | public unsafe struct WrenForeignMethodData 58 | { 59 | /// 60 | /// The size of the struct type, in bytes. 61 | /// 62 | public const int Size = 16; 63 | 64 | /// 65 | /// A representing a method that could not be found. 66 | /// 67 | public static WrenForeignMethodData NotFound => new WrenForeignMethodData() { Function = null, Symbol = 0 }; 68 | 69 | // This struct is passed directly into Wren native functions, 70 | // so the layout must match the native C WrenConfiguration type. 71 | 72 | public WrenNativeFn.ForeignMethod Function; 73 | public ushort Symbol; 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Unity/WrenSharp.Lib.Unity.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netstandard2.1 5 | disable 6 | True 7 | Debug;Release;Unity_Internal 8 | 9 | 10 | 11 | $(DefineConstants);WRENSHARP_UNITY;WRENSHARP_EXT 12 | 13 | 14 | 15 | $(DefineConstants);WRENSHARP_UNITY;WRENSHARP_EXT 16 | 17 | 18 | 19 | $(DefineConstants);WRENSHARP_UNITY;WRENSHARP_UNITY_INTERNAL;WRENSHARP_EXT 20 | True 21 | 22 | 23 | 24 | 25 | Always 26 | 27 | 28 | Always 29 | 30 | 31 | Always 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /WrenSharp.Lib.Unity/wren_unity.dll: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stevewoolcock/WrenSharp/6b44a219a1dfb0bca559480532e97645e879ff8b/WrenSharp.Lib.Unity/wren_unity.dll -------------------------------------------------------------------------------- /WrenSharp.Lib.Unity/wren_unity.exp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stevewoolcock/WrenSharp/6b44a219a1dfb0bca559480532e97645e879ff8b/WrenSharp.Lib.Unity/wren_unity.exp -------------------------------------------------------------------------------- /WrenSharp.Tests/SharedDataTests.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp.Tests 2 | { 3 | public class WrenSharedDataTests 4 | { 5 | [Fact] 6 | public void Add_Contains_Pass() 7 | { 8 | var table = new WrenSharedDataTable(); 9 | var handle = table.Add("hello world"); 10 | Assert.True(table.Contains(handle)); 11 | } 12 | 13 | [Fact] 14 | public void Contains_Fail() 15 | { 16 | var table = new WrenSharedDataTable(); 17 | var handle = table.Add("hello world"); 18 | Assert.False(table.Contains(handle + 1)); 19 | } 20 | 21 | [Fact] 22 | public void Remove_Pass() 23 | { 24 | var table = new WrenSharedDataTable(); 25 | var handle = table.Add("hello world"); 26 | table.Remove(handle); 27 | Assert.False(table.Contains(handle)); 28 | } 29 | 30 | [Fact] 31 | public void Clear_Pass() 32 | { 33 | var table = new WrenSharedDataTable(); 34 | var handle1 = table.Add("hello world"); 35 | var handle2 = table.Add("foobar"); 36 | 37 | table.Clear(); 38 | 39 | Assert.Equal(0, table.Count); 40 | Assert.False(table.Contains(handle1)); 41 | Assert.False(table.Contains(handle2)); 42 | } 43 | 44 | [Fact] 45 | public void Add_Remove_SingleHandle_EnsureHandleReuse() 46 | { 47 | var table = new WrenSharedDataTable(); 48 | var handle1 = table.Add("hello world"); 49 | table.Remove(handle1); 50 | 51 | var handle2 = table.Add("foobar"); 52 | 53 | Assert.Equal(handle1, handle2); 54 | } 55 | 56 | [Fact] 57 | public void Add_Remove_MultipleHandles_EnsureHandleReuse() 58 | { 59 | var table = new WrenSharedDataTable(); 60 | 61 | var handle1 = table.Add("hello world"); 62 | var handle2 = table.Add("foobar"); 63 | var handle3 = table.Add("quick brown fox"); 64 | 65 | table.Remove(handle2); 66 | table.Remove(handle1); 67 | 68 | var handle4 = table.Add("jumps over"); 69 | var handle5 = table.Add("the lazy dog"); 70 | 71 | // Last handle release should be reused 72 | Assert.Equal(handle4, handle1); 73 | Assert.Equal(handle5, handle2); 74 | 75 | table.Remove(handle3); 76 | 77 | var handle6 = table.Add("lorem ipsum dolor"); 78 | Assert.Equal(handle6, handle3); 79 | } 80 | 81 | [Fact] 82 | public void Get_ValidHandle_Pass() 83 | { 84 | var table = new WrenSharedDataTable(); 85 | var value = "hello world"; 86 | var handle = table.Add(value); 87 | var retrievedValue = table.Get(handle); 88 | Assert.Equal(value, retrievedValue); 89 | } 90 | 91 | [Fact] 92 | public void Get_FreedHandle_ThrowInvalidHandleException() 93 | { 94 | var table = new WrenSharedDataTable(); 95 | var value = "hello world"; 96 | var handle = table.Add(value); 97 | 98 | // Remove the handle 99 | table.Remove(handle); 100 | 101 | // Attempt to get the value with the now invalid handle 102 | // This should throw an invalid handle exception 103 | Assert.Throws(() => table.Get(handle)); 104 | } 105 | 106 | [Fact] 107 | public void Get_InvalidHandle_ThrowInvalidHandleException() 108 | { 109 | var table = new WrenSharedDataTable(); 110 | table.Add("hello world"); 111 | 112 | Assert.Throws(() => table.Get(WrenSharedDataHandle.Invalid)); 113 | } 114 | 115 | [Fact] 116 | public void Set_ValidHandle_Pass() 117 | { 118 | var table = new WrenSharedDataTable(); 119 | var value = "hello world"; 120 | var handle = table.Add(value); 121 | 122 | // Change the value at the handle's address 123 | table.Set(handle, "foobar"); 124 | 125 | Assert.Equal("foobar", (string)table.Get(handle)); 126 | } 127 | 128 | [Fact] 129 | public void Set_InvalidHandle_ThrowInvalidHandleException() 130 | { 131 | var table = new WrenSharedDataTable(); 132 | var handle = (WrenSharedDataHandle)10; 133 | Assert.Throws(() => table.Set(handle, "foobar")); 134 | } 135 | 136 | [Fact] 137 | public void Set_FreedHandle_ThrowInvalidHandleException() 138 | { 139 | var table = new WrenSharedDataTable(); 140 | var handle = table.Add("hello world"); 141 | table.Remove(handle); 142 | 143 | Assert.Throws(() => table.Set(handle, "foobar")); 144 | } 145 | } 146 | } -------------------------------------------------------------------------------- /WrenSharp.Tests/Usings.cs: -------------------------------------------------------------------------------- 1 | global using Xunit; -------------------------------------------------------------------------------- /WrenSharp.Tests/WrenSharp.Tests.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | net6.0 5 | enable 6 | enable 7 | 8 | false 9 | 10 | True 11 | 12 | 13 | 14 | 15 | 16 | 17 | runtime; build; native; contentfiles; analyzers; buildtransitive 18 | all 19 | 20 | 21 | runtime; build; native; contentfiles; analyzers; buildtransitive 22 | all 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /WrenSharp.Unity.Project/.gitignore: -------------------------------------------------------------------------------- 1 | # This .gitignore file should be placed at the root of your Unity project directory 2 | # 3 | # Get latest from https://github.com/github/gitignore/blob/main/Unity.gitignore 4 | # 5 | /[Ll]ibrary/ 6 | /[Tt]emp/ 7 | /[Oo]bj/ 8 | /[Bb]uild/ 9 | /[Bb]uilds/ 10 | /[Ll]ogs/ 11 | /[Uu]ser[Ss]ettings/ 12 | 13 | # Keep local packages 14 | !/[Pp]ackages/** 15 | 16 | # MemoryCaptures can get excessive in size. 17 | # They also could contain extremely sensitive data 18 | /[Mm]emoryCaptures/ 19 | 20 | # Recordings can get excessive in size 21 | /[Rr]ecordings/ 22 | 23 | # Uncomment this line if you wish to ignore the asset store tools plugin 24 | # /[Aa]ssets/AssetStoreTools* 25 | 26 | # Autogenerated Jetbrains Rider plugin 27 | /[Aa]ssets/Plugins/Editor/JetBrains* 28 | 29 | # Visual Studio cache directory 30 | .vs/ 31 | 32 | # Gradle cache directory 33 | .gradle/ 34 | 35 | # Autogenerated VS/MD/Consulo solution and project files 36 | ExportedObj/ 37 | .consulo/ 38 | *.csproj 39 | *.unityproj 40 | *.sln 41 | *.suo 42 | *.tmp 43 | *.user 44 | *.userprefs 45 | *.pidb 46 | *.booproj 47 | *.svd 48 | *.pdb 49 | *.mdb 50 | *.opendb 51 | *.VC.db 52 | 53 | # Unity3D generated 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-------------------------------------------------------------------------------- /WrenSharp.Unity.Project/ProjectSettings/XRSettings.asset: -------------------------------------------------------------------------------- 1 | { 2 | "m_SettingKeys": [ 3 | "VR Device Disabled", 4 | "VR Device User Alert" 5 | ], 6 | "m_SettingValues": [ 7 | "False", 8 | "False" 9 | ] 10 | } -------------------------------------------------------------------------------- /WrenSharp.Unity/.gitignore: -------------------------------------------------------------------------------- 1 | # Ignore helper scripts 2 | /CopyToUnityProject.ps1 3 | -------------------------------------------------------------------------------- /WrenSharp.Unity/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Runtime.CompilerServices; 2 | using System.Runtime.InteropServices; 3 | 4 | [assembly: InternalsVisibleTo("WrenSharp.Tests")] 5 | [assembly: ComVisible(false)] 6 | [assembly: Guid("0bca2bbc-729f-4ccb-8f58-61009e67354a")] 7 | -------------------------------------------------------------------------------- /WrenSharp.Unity/Package: -------------------------------------------------------------------------------- 1 | ../WrenSharp.Unity.Project/Packages/com.deadreckoned.wrensharp -------------------------------------------------------------------------------- /WrenSharp.Unity/Sources/WrenTextAssetSource.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using Unity.Collections; 3 | using Unity.Collections.LowLevel.Unsafe; 4 | using UnityEngine; 5 | 6 | namespace WrenSharp 7 | { 8 | /// 9 | /// A Wren script source that reads from a Unity . 10 | /// 11 | public unsafe class WrenTextAssetSource : IWrenSource 12 | { 13 | private TextAsset m_Asset; 14 | 15 | #region Properties 16 | 17 | /// 18 | /// The containing the Wren script. 19 | /// 20 | public TextAsset TextAsset 21 | { 22 | get => m_Asset; 23 | set => m_Asset = value; 24 | } 25 | 26 | #endregion 27 | 28 | /// 29 | /// Creates a new . 30 | /// 31 | public WrenTextAssetSource() 32 | { 33 | 34 | } 35 | 36 | /// 37 | /// Creates a new . 38 | /// 39 | /// The to read from. 40 | public WrenTextAssetSource(TextAsset textAsset) 41 | { 42 | m_Asset = textAsset; 43 | } 44 | 45 | 46 | #region IModuleSource 47 | 48 | /// 49 | /// Get a pointer to the bytes containing the Wren script source that can be passed 50 | /// to the native Wren VM. 51 | /// 52 | /// The number of bytes in the source. 53 | /// A pointer to the source bytes. 54 | public IntPtr GetSourceBytes(out int byteCount) 55 | { 56 | if (m_Asset == null) 57 | { 58 | byteCount = 0; 59 | return IntPtr.Zero; 60 | } 61 | 62 | NativeArray data = m_Asset.GetData(); 63 | byteCount = data.Length; 64 | return (IntPtr)NativeArrayUnsafeUtility.GetUnsafeBufferPointerWithoutChecks(data); 65 | } 66 | 67 | #endregion 68 | 69 | #region IDisposable 70 | 71 | void IDisposable.Dispose() 72 | { 73 | 74 | } 75 | 76 | #endregion 77 | } 78 | } 79 | -------------------------------------------------------------------------------- /WrenSharp.Unity/UnityWrenDebugOutput.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.CompilerServices; 3 | using UnityEngine; 4 | 5 | namespace WrenSharp.Unity 6 | { 7 | /// 8 | /// Forwards Wren write and error operations to the Unity logging methods. 9 | /// 10 | public class UnityWrenDebugOutput : IWrenWriteOutput, IWrenErrorOutput 11 | { 12 | /// 13 | /// Prefix used to print messages from Wren as warnings to the Unity log and console. 14 | /// 15 | public const string WarnPrefix = "!warn:"; 16 | 17 | /// 18 | /// Prefix used to print messages from Wren as errors to the Unity log and console. 19 | /// 20 | public const string ErrorPrefix = "!error:"; 21 | 22 | [MethodImpl(MethodImplOptions.AggressiveInlining)] 23 | private void Write(LogType type, string message) => Debug.unityLogger.Log(type, message); 24 | 25 | #region WrenSharp Interfaces 26 | 27 | void IWrenWriteOutput.OutputWrite(WrenVM vm, string text) 28 | { 29 | if (string.IsNullOrWhiteSpace(text)) 30 | return; 31 | 32 | static string Parse(string text, out LogType logType) 33 | { 34 | if (text.StartsWith(ErrorPrefix, StringComparison.OrdinalIgnoreCase)) 35 | { 36 | logType = LogType.Error; 37 | return text.Substring(ErrorPrefix.Length); 38 | } 39 | 40 | if (text.StartsWith(WarnPrefix, StringComparison.OrdinalIgnoreCase)) 41 | { 42 | logType = LogType.Warning; 43 | return text.Substring(WarnPrefix.Length); 44 | } 45 | 46 | logType = LogType.Log; 47 | return text; 48 | } 49 | 50 | string message = Parse(text, out LogType logType); 51 | Write(logType, message); 52 | } 53 | 54 | void IWrenErrorOutput.OutputError(WrenVM vm, WrenErrorType errorType, string moduleName, int lineNumber, string message) 55 | { 56 | switch (errorType) 57 | { 58 | case WrenErrorType.Compile: 59 | Write(LogType.Error, $"Wren compile error in {moduleName}:{lineNumber} : {message}"); 60 | break; 61 | 62 | case WrenErrorType.StackTrace: 63 | Write(LogType.Error, $"at {message} in {moduleName}:{lineNumber}"); 64 | break; 65 | 66 | case WrenErrorType.Runtime: 67 | Write(LogType.Error, string.IsNullOrEmpty(moduleName) 68 | ? $"{ErrorPrefix}Wren error: {message}" 69 | : $"{ErrorPrefix}Wren error in {moduleName}: {message}"); 70 | break; 71 | } 72 | } 73 | 74 | #endregion 75 | } 76 | } 77 | -------------------------------------------------------------------------------- /WrenSharp.Unity/WrenSharp.Unity.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netstandard2.1 5 | disable 6 | True 7 | WrenSharp.Unity 8 | True 9 | 10 | 11 | 12 | $(DefineConstants);WRENSHARP_UNITY;WRENSHARP_EXT 13 | 14 | 15 | 16 | $(DefineConstants);WRENSHARP_UNITY;WRENSHARP_EXT 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | C:\Program Files\Unity\Hub\Editor\2021.3.16f1\Editor\Data\Managed\UnityEngine.dll 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | -------------------------------------------------------------------------------- /WrenSharp.Unity/WrenVMConfiguration.cs: -------------------------------------------------------------------------------- 1 | using WrenSharp.Native; 2 | 3 | namespace WrenSharp 4 | { 5 | public partial class WrenVMConfiguration 6 | { 7 | /// 8 | /// 9 | /// A custom memory reallocation delegate. Leave null to use Wren's default native memory reallocation function. 10 | /// 11 | /// 12 | /// This delegate should free memory when the newSize parameter is zero, and reallocate the 13 | /// pointer memory to a new block of memory of at least newSize bytes. 14 | /// 15 | /// 16 | /// Failing to free allocated memory when newSize is zero will result in memory leaks. 17 | /// 18 | /// 19 | public WrenNativeFn.Reallocate Reallocate { get; set; } 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /WrenSharp/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Runtime.CompilerServices; 2 | using System.Runtime.InteropServices; 3 | 4 | [assembly: InternalsVisibleTo("WrenSharp.Tests")] 5 | [assembly: ComVisible(false)] 6 | [assembly: Guid("9986db13-06a3-4fad-91d6-1e748b045df5")] 7 | -------------------------------------------------------------------------------- /WrenSharp/WrenConsoleOutput.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | /// 4 | /// A Wren writer and error receiver that forwards output to . 5 | /// 6 | public class WrenConsoleOutput : IWrenWriteOutput, IWrenErrorOutput 7 | { 8 | public void OutputWrite(WrenVM vm, string text) 9 | { 10 | Console.Write(text); 11 | } 12 | 13 | public void OutputError(WrenVM vm, WrenErrorType errorType, string moduleName, int lineNumber, string message) 14 | { 15 | switch (errorType) 16 | { 17 | case WrenErrorType.Compile: 18 | Console.WriteLine($"Wren compile error in {moduleName}:{lineNumber} : {message}"); 19 | break; 20 | 21 | case WrenErrorType.StackTrace: 22 | Console.WriteLine($"at {message} in {moduleName}:{lineNumber}"); 23 | break; 24 | 25 | case WrenErrorType.Runtime: 26 | Console.WriteLine(string.IsNullOrEmpty(moduleName) 27 | ? $"Wren error: {message}" 28 | : $"Wren error in {moduleName}: {message}"); 29 | break; 30 | } 31 | } 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /WrenSharp/WrenForeign.cs: -------------------------------------------------------------------------------- 1 | using WrenSharp.Native; 2 | 3 | namespace WrenSharp 4 | { 5 | /// 6 | /// A builder for binding Wren foreign classes and methods. 7 | /// 8 | public sealed class WrenForeign : IWrenForeign 9 | { 10 | private readonly WrenVM m_Vm; 11 | private WrenNativeFn.ForeignMethod m_Allocator; 12 | private WrenNativeFn.Finalizer m_Finalizer; 13 | private Dictionary m_StaticMethods; 14 | private Dictionary m_InstanceMethods; 15 | 16 | internal WrenForeign(WrenVM vm) 17 | { 18 | m_Vm = vm; 19 | } 20 | 21 | #region Public API 22 | 23 | /// 24 | public IWrenForeign Allocate(IWrenForeign.Allocator allocator) 25 | { 26 | m_Allocator = (_) => allocator(m_Vm); 27 | return this; 28 | } 29 | 30 | /// 31 | public IWrenForeign Allocate(IWrenForeign.AllocatorCall allocator, byte paramCount = WrenVM.MaxCallParameters) 32 | { 33 | m_Allocator = (_) => allocator(new WrenCallContext(m_Vm, WrenMethodType.Allocator, paramCount)); 34 | return this; 35 | } 36 | 37 | /// 38 | public unsafe IWrenForeign Allocate() where T : unmanaged 39 | { 40 | m_Allocator = (vmPtr) => 41 | { 42 | T* data = (T*)Wren.SetSlotNewForeign(vmPtr, 0, 0, (ulong)sizeof(T)); 43 | *data = new T(); 44 | }; 45 | return this; 46 | } 47 | 48 | /// 49 | public unsafe IWrenForeign Allocate(IWrenForeign.Allocator allocator) where T : unmanaged 50 | { 51 | m_Allocator = (vmPtr) => 52 | { 53 | T* data = (T*)Wren.SetSlotNewForeign(vmPtr, 0, 0, (ulong)sizeof(T)); 54 | *data = new T(); 55 | allocator(m_Vm, ref *data); 56 | }; 57 | return this; 58 | } 59 | 60 | /// 61 | public unsafe IWrenForeign Allocate(IWrenForeign.AllocatorCall allocator, byte paramCount = WrenVM.MaxCallParameters) where T : unmanaged 62 | { 63 | m_Allocator = (_) => 64 | { 65 | T* data = (T*)Wren.SetSlotNewForeign(m_Vm.m_Ptr, 0, 0, (ulong)sizeof(T)); 66 | *data = new T(); 67 | allocator(new WrenCallContext(m_Vm, WrenMethodType.Allocator, paramCount), ref *data); 68 | }; 69 | return this; 70 | } 71 | 72 | /// 73 | public IWrenForeign Finalize(IWrenForeign.Finalizer finalizer) 74 | { 75 | m_Finalizer = (data) => finalizer(data); 76 | return this; 77 | } 78 | 79 | /// 80 | public unsafe IWrenForeign Finalize(IWrenForeign.Finalizer finalizer) where T : unmanaged 81 | { 82 | m_Finalizer = (data) => finalizer(ref *(T*)data); 83 | return this; 84 | } 85 | 86 | /// 87 | public IWrenForeign Instance(string signature, WrenForeignMethod method) 88 | { 89 | InternalAddMethod(WrenMethodType.Instance, signature, method); 90 | return this; 91 | } 92 | 93 | /// 94 | public IWrenForeign Static(string signature, WrenForeignMethod method) 95 | { 96 | InternalAddMethod(WrenMethodType.Static, signature, method); 97 | return this; 98 | } 99 | 100 | #endregion 101 | 102 | private void InternalAddMethod(WrenMethodType methodType, string signature, WrenForeignMethod method) 103 | { 104 | var paramCount = WrenUtils.GetParameterCount(signature); 105 | if (paramCount == WrenVM.MaxCallParameters) 106 | throw new ArgumentException("Signature exceeds maximum parameter count."); 107 | 108 | void fn(IntPtr _) => method(new WrenCallContext(m_Vm, methodType, (byte)paramCount)); 109 | 110 | if (methodType == WrenMethodType.Static) 111 | { 112 | m_StaticMethods ??= new Dictionary(); 113 | m_StaticMethods[signature] = fn; 114 | } 115 | else 116 | { 117 | m_InstanceMethods ??= new Dictionary(); 118 | m_InstanceMethods[signature] = fn; 119 | } 120 | } 121 | 122 | #region Internal 123 | 124 | internal WrenNativeFn.ForeignMethod FindMethod(bool isStatic, string signature) 125 | { 126 | var methods = isStatic ? m_StaticMethods : m_InstanceMethods; 127 | if (methods == null) 128 | return default; 129 | 130 | methods.TryGetValue(signature, out var method); 131 | return method; 132 | } 133 | 134 | internal WrenForeignClassMethods GetClassMethods() => new WrenForeignClassMethods() 135 | { 136 | Allocate = m_Allocator, 137 | Finalize = m_Finalizer, 138 | }; 139 | 140 | #endregion 141 | } 142 | } 143 | -------------------------------------------------------------------------------- /WrenSharp/WrenSharp.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | net6.0 5 | enable 6 | disable 7 | True 8 | 9 | 10 | 11 | $(DefineConstants);WRENSHARP_EXT 12 | 13 | 14 | 15 | $(DefineConstants);WRENSHARP_EXT 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /WrenSharp/WrenVMConfiguration.cs: -------------------------------------------------------------------------------- 1 | namespace WrenSharp 2 | { 3 | public partial class WrenVMConfiguration 4 | { 5 | /// 6 | /// 7 | /// A custom memory allocation delegate. Leave null to use Wren's default native memory reallocation function. 8 | /// 9 | /// 10 | /// This delegate should free memory when the newSize parameter is zero, and reallocate the 11 | /// pointer memory to a new block of memory of at least newSize bytes. 12 | /// 13 | /// 14 | /// Failing to free allocated memory when newSize is zero will result in memory leaks. 15 | /// 16 | /// 17 | public WrenReallocate Reallocator { get; set; } 18 | } 19 | } 20 | --------------------------------------------------------------------------------