67 lines
2.4 KiB
C#
67 lines
2.4 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
|
|
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
|
|
|
|
using System;
|
|
using Microsoft.AspNetCore.Razor.Language;
|
|
using Microsoft.AspNetCore.Razor.Language.Intermediate;
|
|
|
|
namespace Microsoft.AspNetCore.Blazor.Razor
|
|
{
|
|
internal class EliminateMethodBodyPass : IntermediateNodePassBase, IRazorOptimizationPass
|
|
{
|
|
// Run early in the optimization phase
|
|
public override int Order => Int32.MinValue;
|
|
|
|
protected override void ExecuteCore(RazorCodeDocument codeDocument, DocumentIntermediateNode documentNode)
|
|
{
|
|
if (codeDocument == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(codeDocument));
|
|
}
|
|
|
|
if (documentNode == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(documentNode));
|
|
}
|
|
|
|
var method = documentNode.FindPrimaryMethod();
|
|
if (method == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
method.Children.Clear();
|
|
|
|
// After we clear all of the method body there might be some unused fields, which can be
|
|
// blocking if compiling with warnings as errors. Suppress this warning so that it doesn't
|
|
// get annoying in VS.
|
|
documentNode.Children.Insert(documentNode.Children.IndexOf(documentNode.FindPrimaryNamespace()), new CSharpCodeIntermediateNode()
|
|
{
|
|
Children =
|
|
{
|
|
// Field is assigned but never used
|
|
new IntermediateToken()
|
|
{
|
|
Content = "#pragma warning disable 0414" + Environment.NewLine,
|
|
Kind = TokenKind.CSharp,
|
|
},
|
|
|
|
// Field is never assigned
|
|
new IntermediateToken()
|
|
{
|
|
Content = "#pragma warning disable 0649" + Environment.NewLine,
|
|
Kind = TokenKind.CSharp,
|
|
},
|
|
|
|
// Field is never used
|
|
new IntermediateToken()
|
|
{
|
|
Content = "#pragma warning disable 0169" + Environment.NewLine,
|
|
Kind = TokenKind.CSharp,
|
|
},
|
|
},
|
|
});
|
|
}
|
|
}
|
|
}
|