public async Task <Location> GotoDeclaration(TextDocumentPositionParams @params, CancellationToken cancellationToken)
{
var uri = @params.textDocument.uri;
_log?.Log(TraceEventType.Verbose, $"Goto Declaration in {uri} at {@params.position}");
var analysis = await Document.GetAnalysisAsync(uri, Services, CompletionAnalysisTimeout, cancellationToken);
var reference = new DeclarationSource(Services).FindDefinition(analysis, @params.position, out _);
return(reference != null ? new Location {
uri = reference.uri, range = reference.range
} : null);
}
public async Task GotoDeclarationFromImportAs()
{
const string code = @"
from logging import critical as crit
x = crit
";
var analysis = await GetAnalysisAsync(code, PythonVersions.LatestAvailable3X);
var ds = new DeclarationSource(Services);
var reference = ds.FindDefinition(analysis, new SourceLocation(3, 6), out _);
reference.Should().NotBeNull();
reference.range.Should().Be(1, 32, 1, 36);
}
public async Task GotoBuiltinObject()
{
const string code = @"
class A(object):
pass
";
var analysis = await GetAnalysisAsync(code);
var ds1 = new DefinitionSource(Services);
var reference = ds1.FindDefinition(analysis, new SourceLocation(2, 12), out _);
reference.Should().BeNull();
var ds2 = new DeclarationSource(Services);
reference = ds2.FindDefinition(analysis, new SourceLocation(2, 12), out _);
reference.Should().BeNull();
}
public async Task GotoDeclarationFromImport()
{
const string code = @"
from MultiValues import t
x = t
";
var analysis = await GetAnalysisAsync(code);
var ds = new DeclarationSource(Services);
var reference = ds.FindDefinition(analysis, new SourceLocation(3, 5), out _);
reference.Should().NotBeNull();
reference.range.Should().Be(1, 24, 1, 25);
reference = ds.FindDefinition(analysis, new SourceLocation(2, 25), out _);
reference.Should().NotBeNull();
reference.range.Should().Be(2, 0, 2, 1);
reference.uri.AbsolutePath.Should().Contain("MultiValues.py");
}