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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| { | ||
| "tools": { | ||
| "dotnet": "5.0.100", | ||
| "dotnet": "5.0.300", | ||
| "vs": { | ||
| "version": "16.8" | ||
| }, | ||
|
|
||
122 changes: 122 additions & 0 deletions
122
src/System.CommandLine.CommandGenerator/CommandHandlerGenerator.cs
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | F42DDiff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| using Microsoft.CodeAnalysis; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
||
| namespace System.CommandLine.CommandGenerator | ||
| { | ||
| [Generator] | ||
| public class CommandHandlerGenerator : ISourceGenerator | ||
| { | ||
| private const string ICommandHandlerType = "System.CommandLine.Invocation.ICommandHandler"; | ||
|
|
||
| public void Execute(GeneratorExecutionContext context) | ||
| { | ||
| SyntaxReceiver rx = (SyntaxReceiver)context.SyntaxContextReceiver!; | ||
|
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| StringBuilder builder = new(); | ||
| builder.AppendLine(@" | ||
| // Copyright (c) .NET Foundation and contributors. All rights reserved. | ||
| // Licensed under the MIT license. See LICENSE file in the project root for full license information. | ||
|
|
||
| #nullable disable | ||
| using System.CommandLine.Binding; | ||
| using System.Reflection; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace System.CommandLine.Invocation | ||
| { | ||
| public static partial class CommandHandlerGeneratorExtensions_Generated | ||
| { | ||
| "); | ||
| int count = 1; | ||
| foreach (var invocation in rx.Invocations) | ||
| { | ||
| var methodParamters = invocation.Parameters | ||
| .Select(x => x.GetMethodParameter()) | ||
| .Where(x => !string.IsNullOrWhiteSpace(x.Name)) | ||
| .ToList(); | ||
|
|
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| builder.AppendLine(@$"public static {ICommandHandlerType} Generate<{string.Join(", ", Enumerable.Range(1, invocation.NumberOfGenerericParameters).Select(x => $"Unused{x}"))}>(this CommandHandlerGenerator handler,"); | ||
| builder.AppendLine($"{invocation.DelegateType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)} method"); | ||
| if (methodParamters.Count > 0) | ||
| { | ||
| builder.AppendLine(","); | ||
| builder.AppendLine(string.Join($", ", methodParamters.Select(x => $"{x.Type} {x.Name}"))); | ||
| } | ||
| builder.AppendLine(")"); | ||
| builder.AppendLine("{"); | ||
| builder.Append($"return new GeneratedHandler_{count}(method"); | ||
| if (methodParamters.Count > 0) | ||
| { | ||
| builder.Append(", "); | ||
| builder.Append(string.Join(", ", methodParamters.Select(x => x.Name))); | ||
| } | ||
| builder.AppendLine(");"); | ||
|
|
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| builder.AppendLine("}"); | ||
|
|
||
|
|
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| //TODO: fully qualify type names | ||
| builder.AppendLine($@" | ||
| private class GeneratedHandler_{count} : {ICommandHandlerType} | ||
| {{ | ||
| public GeneratedHandler_{count}({invocation.DelegateType} method"); | ||
|
|
||
| if (methodParamters.Count > 0) | ||
| { | ||
| builder.AppendLine(","); | ||
| builder.AppendLine(string.Join($", ", methodParamters.Select(x => $"{x.Type} {x.Name}"))); | ||
| } | ||
|
|
||
| builder.AppendLine($@") | ||
| {{ | ||
| Method = method;"); | ||
| foreach (var propertyAssignment in invocation.Parameters | ||
| .Select(x => x.GetPropertyAssignment()) | ||
| .Where(x => !string.IsNullOrWhiteSpace(x))) | ||
| { | ||
| builder.AppendLine(propertyAssignment); | ||
| } | ||
| builder.AppendLine($@" | ||
| }} | ||
|
|
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| public {invocation.DelegateType} Method {{ get; }}"); | ||
|
|
||
| foreach (var propertyDeclaration in invocation.Parameters | ||
| .Select(x => x.GetPropertyDeclaration()) | ||
| .Where(x => !string.IsNullOrWhiteSpace(x))) | ||
| { | ||
| builder.AppendLine(propertyDeclaration); | ||
| } | ||
|
|
||
| builder.AppendLine($@" | ||
| public async Task<int> InvokeAsync(InvocationContext context) | ||
| {{"); | ||
| builder.AppendLine(invocation.InvokeContents()); | ||
| builder.AppendLine($@" | ||
| }} | ||
| }}"); | ||
| count++; | ||
| } | ||
|
|
||
| builder.AppendLine(@" | ||
| } | ||
| } | ||
| #nullable restore"); | ||
|
|
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| context.AddSource("CommandHandlerGeneratorExtensions_Generated.g.cs", builder.ToString()); | ||
| } | ||
|
|
||
| public void Initialize(GeneratorInitializationContext context) | ||
| { | ||
| #if DEBUG | ||
| if (!System.Diagnostics.Debugger.IsAttached) | ||
| { | ||
| //System.Diagnostics.Debugger.Launch(); | ||
| } | ||
| #endif | ||
|
|
||
| context.RegisterForSyntaxNotifications(() => new SyntaxReceiver()); | ||
| } | ||
| } | ||
| } |
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Source generators for command handlers #1362
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Source generators for command handlers #1362
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1bbd9c9d183cfdeb6ab4af3c3a60eb126af972f80f936c6a563282206e506446ade8630d4ad3f< 8000 div class="text-emphasized css-truncate css-truncate-target"> Adding support for arguments716060df080f7eaa7bd60ef0e2f1ef89d1e2056cf1ddf0688e7b091bc20e6b027e16212c84e102d9662c9f8b4cf98c689f50cf35c268ff1698e9eb0916b174d58949fcfacc7aab415c7198be2792c95fc568a4dafa46cf60155e9d6f6c06f11839dbFile filter
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