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go to usage/declaration

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Matt Parker
2025-10-26 23:43:10 +10:00
parent e0da4e22b2
commit 1670837d21
8 changed files with 377 additions and 3 deletions
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74
src/SharpIDE.Application/Features/Analysis/RoslynAnalysis.cs
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@@ -10,12 +10,14 @@ using Microsoft.CodeAnalysis.CodeActions;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeRefactorings;
using Microsoft.CodeAnalysis.Completion;
using Microsoft.CodeAnalysis.FindSymbols;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.MSBuild;
using Microsoft.CodeAnalysis.Razor.Remote;
using Microsoft.CodeAnalysis.Razor.SemanticTokens;
using Microsoft.CodeAnalysis.Remote.Razor.ProjectSystem;
using Microsoft.CodeAnalysis.Remote.Razor.SemanticTokens;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Text;
using Microsoft.Extensions.Logging;
using Roslyn.LanguageServer.Protocol;
@@ -586,7 +588,7 @@ public class RoslynAnalysis(ILogger<RoslynAnalysis> logger, BuildService buildSe
public async Task<(string updatedText, SharpIdeFileLinePosition sharpIdeFileLinePosition)> GetCompletionApplyChanges(SharpIdeFile file, CompletionItem completionItem, CancellationToken cancellationToken = default)
{
var documentId = _workspace!.CurrentSolution.GetDocumentIdsWithFilePath(file.Path).Single();
var document = _workspace.CurrentSolution.GetRequiredDocument(documentId);
var document = SolutionExtensions.GetRequiredDocument(_workspace.CurrentSolution, documentId);
var completionService = CompletionService.GetService(document) ?? throw new InvalidOperationException("Completion service is not available for the document.");
var completionChange = await completionService.GetChangeAsync(document, completionItem, commitCharacter: '.', cancellationToken: cancellationToken);
@@ -661,6 +663,36 @@ public class RoslynAnalysis(ILogger<RoslynAnalysis> logger, BuildService buildSe
return changedFilesWithText;
}
public async Task<ISymbol?> GetEnclosingSymbolForReferenceLocation(ReferenceLocation referenceLocation)
{
var semanticModel = await referenceLocation.Document.GetSemanticModelAsync();
if (semanticModel is null) return null;
var enclosingSymbol = ReferenceLocationExtensions.GetEnclosingMethodOrPropertyOrField(semanticModel, referenceLocation);
return enclosingSymbol;
}
public async Task<ImmutableArray<ReferencedSymbol>> FindAllSymbolReferences(ISymbol symbol, CancellationToken cancellationToken = default)
{
using var _ = SharpIdeOtel.Source.StartActivity($"{nameof(RoslynAnalysis)}.{nameof(FindAllSymbolReferences)}");
await _solutionLoadedTcs.Task;
var solution = _workspace!.CurrentSolution;
var references = await SymbolFinder.FindReferencesAsync(symbol, solution, cancellationToken);
return references.AsImmutable();
}
public async Task<(ISymbol?, LinePositionSpan?, TokenSemanticInfo?)> LookupSymbolSemanticInfo(SharpIdeFile fileModel, LinePosition linePosition)
{
await _solutionLoadedTcs.Task;
var (symbol, linePositionSpan, semanticInfo) = fileModel switch
{
{ IsRazorFile: true } => await LookupSymbolSemanticInfoInRazor(fileModel, linePosition),
{ IsCsharpFile: true } => await LookupSymbolSemanticInfoInCs(fileModel, linePosition),
_ => (null, null, null)
};
return (symbol, linePositionSpan, semanticInfo);
}
public async Task<(ISymbol?, LinePositionSpan?)> LookupSymbol(SharpIdeFile fileModel, LinePosition linePosition)
{
await _solutionLoadedTcs.Task;
@@ -709,6 +741,46 @@ public class RoslynAnalysis(ILogger<RoslynAnalysis> logger, BuildService buildSe
return GetSymbolAtPosition(semanticModel, syntaxRoot!, position);
}
private async Task<(ISymbol? symbol, LinePositionSpan? linePositionSpan, TokenSemanticInfo? semanticInfo)> LookupSymbolSemanticInfoInCs(SharpIdeFile fileModel, LinePosition linePosition, CancellationToken cancellationToken = default)
{
var project = _workspace!.CurrentSolution.Projects.Single(s => s.FilePath == ((IChildSharpIdeNode)fileModel).GetNearestProjectNode()!.FilePath);
var document = project.Documents.Single(s => s.FilePath == fileModel.Path);
Guard.Against.Null(document, nameof(document));
var sourceText = await document.GetTextAsync();
var position = sourceText.GetPosition(linePosition);
var semanticModel = await document.GetSemanticModelAsync();
Guard.Against.Null(semanticModel, nameof(semanticModel));
var syntaxRoot = await document.GetSyntaxRootAsync();
var semanticInfo = await SymbolFinder.GetSemanticInfoAtPositionAsync(semanticModel, position, document.Project.Solution.Services, cancellationToken).ConfigureAwait(false);
var (symbol, linePositionSpan) = GetSymbolAtPosition(semanticModel, syntaxRoot!, position);
return (symbol, linePositionSpan, semanticInfo);
}
private async Task<(ISymbol? symbol, LinePositionSpan? linePositionSpan, TokenSemanticInfo? semanticInfo)> LookupSymbolSemanticInfoInRazor(SharpIdeFile fileModel, LinePosition linePosition, CancellationToken cancellationToken = default)
{
var sharpIdeProjectModel = ((IChildSharpIdeNode) fileModel).GetNearestProjectNode()!;
var project = _workspace!.CurrentSolution.Projects.Single(s => s.FilePath == sharpIdeProjectModel!.FilePath);
var additionalDocument = project.AdditionalDocuments.Single(s => s.FilePath == fileModel.Path);
var razorProjectSnapshot = _snapshotManager!.GetSnapshot(project);
var documentSnapshot = razorProjectSnapshot.GetDocument(additionalDocument);
var razorCodeDocument = await razorProjectSnapshot.GetRequiredCodeDocumentAsync(documentSnapshot, cancellationToken);
var razorCSharpDocument = razorCodeDocument.GetRequiredCSharpDocument();
var generatedDocument = await razorProjectSnapshot.GetRequiredGeneratedDocumentAsync(documentSnapshot, cancellationToken);
var generatedDocSyntaxRoot = await generatedDocument.GetSyntaxRootAsync(cancellationToken);
var razorText = await additionalDocument.GetTextAsync(cancellationToken);
var mappedPosition = MapRazorLinePositionToGeneratedCSharpAbsolutePosition(razorCSharpDocument, razorText, linePosition);
var semanticModel = await generatedDocument.GetSemanticModelAsync(cancellationToken);
var (symbol, linePositionSpan) = GetSymbolAtPosition(semanticModel!, generatedDocSyntaxRoot!, mappedPosition!.Value);
var semanticInfo = await SymbolFinder.GetSemanticInfoAtPositionAsync(semanticModel!, mappedPosition.Value, generatedDocument.Project.Solution.Services, cancellationToken).ConfigureAwait(false);
return (symbol, linePositionSpan, semanticInfo);
}
private (ISymbol? symbol, LinePositionSpan? linePositionSpan) GetSymbolAtPosition(SemanticModel semanticModel, SyntaxNode root, int position)
{
var node = root.FindToken(position).Parent!;