61 lines
2.5 KiB
C#
61 lines
2.5 KiB
C#
using HybridCLR.Editor.ABI;
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using HybridCLR.Editor.Template;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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namespace HybridCLR.Editor.ReversePInvokeWrap
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{
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public class Generator
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{
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public void Generate(List<ABIReversePInvokeMethodInfo> methods, string outputFile)
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{
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string template = File.ReadAllText(outputFile, Encoding.UTF8);
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var frr = new FileRegionReplace(template);
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var codes = new List<string>();
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int methodIndex = 0;
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var stubCodes = new List<string>();
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foreach(var methodInfo in methods)
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{
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MethodDesc method = methodInfo.Method;
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string paramDeclaringListWithoutMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"{p.Type.GetTypeName()} __arg{p.Index}"));
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string paramNameListWithoutMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"__arg{p.Index}").Concat(new string[] { "method" }));
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string paramTypeListWithMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"{p.Type.GetTypeName()}").Concat(new string[] { "const MethodInfo*" }));
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string methodTypeDef = $"typedef {method.ReturnInfo.Type.GetTypeName()} (*Callback)({paramTypeListWithMethodInfoStr})";
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for (int i = 0; i < methodInfo.Count; i++, methodIndex++)
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{
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codes.Add($@"
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{method.ReturnInfo.Type.GetTypeName()} __ReversePInvokeMethod_{methodIndex}({paramDeclaringListWithoutMethodInfoStr})
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{{
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il2cpp::vm::ScopedThreadAttacher _vmThreadHelper;
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const MethodInfo* method = MetadataModule::GetMethodInfoByReversePInvokeWrapperIndex({methodIndex});
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{methodTypeDef};
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{(method.ReturnInfo.IsVoid ? "" : "return ")}((Callback)(method->methodPointerCallByInterp))({paramNameListWithoutMethodInfoStr});
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}}
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");
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stubCodes.Add($"\t\t{{\"{methodInfo.Signature}\", (Il2CppMethodPointer)__ReversePInvokeMethod_{methodIndex}}},\n");
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}
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Debug.Log($"[ReversePInvokeWrap.Generator] method:{method.MethodDef} wrapperCount:{methodInfo.Count}");
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}
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codes.Add(@"
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ReversePInvokeMethodData g_reversePInvokeMethodStub[]
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{
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");
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codes.AddRange(stubCodes);
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codes.Add(@"
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{nullptr, nullptr},
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};
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");
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frr.Replace("CODE", string.Join("", codes));
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frr.Commit(outputFile);
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}
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}
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}
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