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Make auto-compiling of C# work with .NET Core
CodeDom doesn't work in .NET Core (dotnet/runtime#18768) and Roslyn turns out to be too low level (just a compiler and not a building framework) so the best approach is to invoke msbuild as a process. Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using CppSharp.AST; | ||
|
|
||
| namespace CppSharp.Generators | ||
| { | ||
| public class MSBuildGenerator : CodeGenerator | ||
| { | ||
| public MSBuildGenerator(BindingContext context, Module module, | ||
| Dictionary<Module, string> libraryMappings) | ||
| : base(context) | ||
| { | ||
| this.module = module; | ||
| this.libraryMappings = libraryMappings; | ||
| } | ||
|
|
||
| public override string FileExtension => "csproj"; | ||
|
|
||
| public override void Process() | ||
| { | ||
| var location = System.Reflection.Assembly.GetExecutingAssembly().Location; | ||
| Write($@" | ||
| <Project Sdk=""Microsoft.NET.Sdk""> | ||
| <PropertyGroup> | ||
| <TargetFramework>netstandard2.0</TargetFramework> | ||
| <PlatformTarget>{(Context.TargetInfo.PointerWidth == 64 ? "x64" : "x86")}</PlatformTarget> | ||
| <OutputPath>{Options.OutputDir}</OutputPath> | ||
| <DocumentationFile>{module.LibraryName}.xml</DocumentationFile> | ||
| <Configuration>Release</Configuration> | ||
| <AllowUnsafeBlocks>true</AllowUnsafeBlocks> | ||
| <EnableDefaultNoneItems>false</EnableDefaultNoneItems> | ||
| <EnableDefaultItems>false</EnableDefaultItems> | ||
| <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| {string.Join(Environment.NewLine, module.CodeFiles.Select(c => | ||
| $"<Compile Include=\"{c}\" />"))} | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| {string.Join(Environment.NewLine, | ||
| new[] { Path.Combine(Path.GetDirectoryName(location), "CppSharp.Runtime.dll") } | ||
| .Union(module.Dependencies.Where(libraryMappings.ContainsKey).Select(d => libraryMappings[d])) | ||
| .Select(reference => | ||
| $@"<Reference Include=""{Path.GetFileNameWithoutExtension(reference)}""> | ||
| <HintPath>{reference}</HintPath> | ||
| </Reference>"))} | ||
| </ItemGroup> | ||
| </Project>".Trim()); | ||
| } | ||
|
|
||
| private readonly Module module; | ||
| private readonly Dictionary<Module, string> libraryMappings; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| using System; | ||
| using System.Runtime.InteropServices; | ||
| using System.Text; | ||
|
|
||
| namespace CppSharp.Runtime | ||
| { | ||
| // HACK: .NET Standard 2.0 which we use in auto-building to support .NET Framework, lacks UnmanagedType.LPUTF8Str | ||
| public class UTF8Marshaller : ICustomMarshaler | ||
| { | ||
| public void CleanUpManagedData(object ManagedObj) | ||
| { | ||
| } | ||
|
|
||
| public void CleanUpNativeData(IntPtr pNativeData) | ||
| => Marshal.FreeHGlobal(pNativeData); | ||
|
|
||
| public int GetNativeDataSize() => -1; | ||
|
|
||
| public IntPtr MarshalManagedToNative(object managedObj) | ||
| { | ||
| if (managedObj == null) | ||
| return IntPtr.Zero; | ||
| if (!(managedObj is string)) | ||
| throw new MarshalDirectiveException( | ||
| "UTF8Marshaler must be used on a string."); | ||
|
|
||
| // not null terminated | ||
| byte[] strbuf = Encoding.UTF8.GetBytes((string) managedObj); | ||
| IntPtr buffer = Marshal.AllocHGlobal(strbuf.Length + 1); | ||
| Marshal.Copy(strbuf, 0, buffer, strbuf.Length); | ||
|
|
||
| // write the terminating null | ||
| Marshal.WriteByte(buffer + strbuf.Length, 0); | ||
| return buffer; | ||
| } | ||
|
|
||
| public unsafe object MarshalNativeToManaged(IntPtr str) | ||
| { | ||
| if (str == IntPtr.Zero) | ||
| return null; | ||
|
|
||
| int byteCount = 0; | ||
| var str8 = (byte*) str; | ||
| while (*(str8++) != 0) byteCount += sizeof(byte); | ||
|
|
||
| return Encoding.UTF8.GetString((byte*) str, byteCount); | ||
| } | ||
|
|
||
| public static ICustomMarshaler GetInstance(string pstrCookie) | ||
| { | ||
| if (marshaler == null) | ||
| marshaler = new UTF8Marshaller(); | ||
| return marshaler; | ||
| } | ||
|
|
||
| private static UTF8Marshaller marshaler; | ||
| } | ||
| } |
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14 changes: 13 additions & 1 deletion
14
tests/NamespacesDerived/NamespacesDerived.Tests.CSharp.csproj
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,13 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk" /> | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
| <ItemGroup> | ||
| <ProjectReference Include="NamespacesDerived.Gen.csproj" ReferenceOutputAssembly="false" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <Reference Include="NamespacesBase"> | ||
| <HintPath>..\..\build\gen\NamespacesDerived\NamespacesBase.dll</HintPath> | ||
| </Reference> | ||
| <Reference Include="NamespacesDerived"> | ||
| <HintPath>..\..\build\gen\NamespacesDerived\NamespacesDerived.dll</HintPath> | ||
| </Reference> | ||
| </ItemGroup> | ||
| </Project> |
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