HttpMachine.PCL/src/tools/HttpMachine.HeaderGen.Emit/HttpMachine.HeaderGen.Emit.csproj at main · 1iveowl/HttpMachine.PCL · GitHub

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<Project Sdk="Microsoft.NET.Sdk">

  <!--
    Author-time emitter for src/main/HttpMachine.netstandard/Generated/KnownHeaders.g.cs.

    Running the generator here rather than in HttpMachine.netstandard is what keeps the
    author-time model honest: the shipping library never references an analyzer, so consumers
    see no new dependency and no SDK floor. This project builds the generator output; the
    generate-known-headers.sh script copies it into the source tree.

    The target framework list mirrors HttpMachine.netstandard exactly, and every one of them
    compiles the generated matcher. That makes this project the portability check as well as the
    emitter: if the generator ever emits an API or a language feature that netstandard2.0 cannot
    reach, this build fails rather than the next release. The script additionally asserts that all
    five frameworks produced a byte-identical file, which is the constraint that there is one
    matcher implementation rather than one per framework.
  -->
  <PropertyGroup>
    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net8.0;net10.0</TargetFrameworks>
    <LangVersion>14.0</LangVersion>
    <IsPackable>false</IsPackable>
    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>

    <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
    <CompilerGeneratedFilesOutputPath>$(MSBuildProjectDirectory)/obj/emitted/$(TargetFramework)</CompilerGeneratedFilesOutputPath>
  </PropertyGroup>

  <ItemGroup>
    <!--
      Redundant today - the SDK already excludes obj from the default Compile glob - but the
      emitted file must never be compiled alongside the generator's in-memory copy, and this
      keeps that true if the output path ever moves.
    -->
    <Compile Remove="obj/emitted/**/*.cs" />
  </ItemGroup>

  <ItemGroup>
    <ProjectReference Include="..\HttpMachine.HeaderGen\HttpMachine.HeaderGen.csproj"
                      OutputItemType="Analyzer"
                      ReferenceOutputAssembly="false" />
  </ItemGroup>

  <ItemGroup>
    <AdditionalFiles Include="..\..\main\HttpMachine.netstandard\headers\KnownHeaders.txt" />
  </ItemGroup>

  <!-- Matches HttpMachine.netstandard: BinaryPrimitives and Span come from System.Memory here. -->
  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
    <PackageReference Include="System.Memory" Version="4.6.3" />
  </ItemGroup>

</Project>