e2afe700f6
This source generator adds a newly introduced attribute,
`ScriptPath` to all classes that:
- Are top-level classes (not inner/nested).
- Have the `partial` modifier.
- Inherit `Godot.Object`.
- The class name matches the file name.
A build error is thrown if the generator finds a class that meets these
conditions but is not declared `partial`, unless the class is annotated
with the `DisableGodotGenerators` attribute.
We also generate an `AssemblyHasScripts` assembly attribute which Godot
uses to get all the script classes in the assembly, eliminating the need
for Godot to search them. We can also avoid searching in assemblies that
don't have this attribute. This will be good for performance in the
future once we support multiple assemblies with Godot script classes.
This is an example of what the generated code looks like:
```
using Godot;
namespace Foo {
[ScriptPathAttribute("res://Player.cs")]
// Multiple partial declarations are allowed
[ScriptPathAttribute("res://Foo/Player.cs")]
partial class Player {}
}
[assembly:AssemblyHasScripts(new System.Type[] { typeof(Foo.Player) })]
```
The new attributes replace script metadata which we were generating by
determining the namespace of script classes with a very simple parser.
This fixes several issues with the old approach related to parser
errors and conditional compilation.
It also makes the task part of the MSBuild project build, rather than
a separate step executed by the Godot editor.
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# Build Godot.NET.Sdk solution
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import os
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from SCons.Script import Dir
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def build_godot_net_sdk(source, target, env):
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# source and target elements are of type SCons.Node.FS.File, hence why we convert them to str
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module_dir = env["module_dir"]
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solution_path = os.path.join(module_dir, "editor/Godot.NET.Sdk/Godot.NET.Sdk.sln")
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build_config = "Release"
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from .solution_builder import build_solution
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extra_msbuild_args = ["/p:GodotPlatform=" + env["platform"]]
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build_solution(env, solution_path, build_config, extra_msbuild_args)
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# No need to copy targets. The Godot.NET.Sdk csproj takes care of copying them.
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def get_nupkgs_versions(props_file):
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import xml.etree.ElementTree as ET
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tree = ET.parse(props_file)
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root = tree.getroot()
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return {
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"Godot.NET.Sdk": root.find("./PropertyGroup/PackageVersion_Godot_NET_Sdk").text.strip(),
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"Godot.SourceGenerators": root.find("./PropertyGroup/PackageVersion_Godot_SourceGenerators").text.strip(),
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}
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def build(env_mono):
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assert env_mono["tools"]
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output_dir = Dir("#bin").abspath
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editor_tools_dir = os.path.join(output_dir, "GodotSharp", "Tools")
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nupkgs_dir = os.path.join(editor_tools_dir, "nupkgs")
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module_dir = os.getcwd()
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nupkgs_versions = get_nupkgs_versions(os.path.join(module_dir, "SdkPackageVersions.props"))
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target_filenames = [
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"Godot.NET.Sdk.%s.nupkg" % nupkgs_versions["Godot.NET.Sdk"],
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"Godot.SourceGenerators.%s.nupkg" % nupkgs_versions["Godot.SourceGenerators"],
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]
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targets = [os.path.join(nupkgs_dir, filename) for filename in target_filenames]
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cmd = env_mono.CommandNoCache(targets, [], build_godot_net_sdk, module_dir=module_dir)
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env_mono.AlwaysBuild(cmd)
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