public static async Task <CompletionDescription> GetCompletionDescriptionAsync(Document document, CompletionItem item, CancellationToken cancellationToken)
{
var metadataName = GetMetadataName(item);
if (!string.IsNullOrEmpty(metadataName))
{
var compilation = await document.Project.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
var symbol = compilation.GetTypeByMetadataName(metadataName);
if (symbol != null)
{
var semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
// We choose not to display the number of "type overloads" for simplicity.
// Otherwise, we need additonal logic to track internal and public visible
// types separately, and cache both completion items.
return(await CommonCompletionUtilities.CreateDescriptionAsync(
document.Project.Solution.Workspace,
semanticModel,
position : 0,
symbol,
overloadCount : 0,
supportedPlatforms : null,
cancellationToken).ConfigureAwait(false));
}
}
return(null);
}
public static async Task <CompletionDescription> GetDescriptionAsync(
CompletionItem item, Document document, CancellationToken cancellationToken)
{
var workspace = document.Project.Solution.Workspace;
var position = GetDescriptionPosition(item);
if (position == -1)
{
position = item.Span.Start;
}
var supportedPlatforms = GetSupportedPlatforms(item, workspace);
var contextDocument = FindAppropriateDocumentForDescriptionContext(document, supportedPlatforms);
var semanticModel = await contextDocument.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var symbols = await GetSymbolsAsync(item, document, cancellationToken).ConfigureAwait(false);
if (symbols.Length > 0)
{
return(await CommonCompletionUtilities.CreateDescriptionAsync(workspace, semanticModel, position, symbols, supportedPlatforms, cancellationToken).ConfigureAwait(false));
}
else
{
return(CompletionDescription.Empty);
}
}
public static async Task <CompletionDescription> GetDescriptionAsync(
CompletionItem item,
IReadOnlyList <ISymbol> symbols,
Document document,
SemanticModel semanticModel,
CancellationToken cancellationToken
)
{
var workspace = document.Project.Solution.Workspace;
var position = GetDescriptionPosition(item);
var supportedPlatforms = GetSupportedPlatforms(item, workspace);
if (symbols.Count != 0)
{
return(await CommonCompletionUtilities
.CreateDescriptionAsync(
workspace,
semanticModel,
position,
symbols,
supportedPlatforms,
cancellationToken
)
.ConfigureAwait(false));
}
else
{
return(CompletionDescription.Empty);
}
}
public static async Task <CompletionDescription> GetDescriptionAsync(CompletionItem item, ImmutableArray <ISymbol> symbols, Document document, SemanticModel semanticModel, CancellationToken cancellationToken)
{
var workspace = document.Project.Solution.Workspace;
var position = SymbolCompletionItem.GetDescriptionPosition(item);
var supportedPlatforms = SymbolCompletionItem.GetSupportedPlatforms(item, workspace);
var contextDocument = FindAppropriateDocumentForDescriptionContext(document, supportedPlatforms);
if (symbols.Length != 0)
{
return(await CommonCompletionUtilities.CreateDescriptionAsync(workspace, semanticModel, position, symbols, supportedPlatforms, cancellationToken).ConfigureAwait(false));
}
else
{
return(CompletionDescription.Empty);
}
}
public static async Task <CompletionDescription> GetDescriptionAsync(CompletionItem item, Document document, CancellationToken cancellationToken)
{
var workspace = document.Project.Solution.Workspace;
var position = GetDescriptionPosition(item);
if (position == -1)
{
position = item.Span.Start;
}
var supportedPlatforms = GetSupportedPlatforms(item, workspace);
// find appropriate document for descripton context
var contextDocument = document;
if (supportedPlatforms != null && supportedPlatforms.InvalidProjects.Contains(document.Id.ProjectId))
{
var contextId = document.GetLinkedDocumentIds().FirstOrDefault(id => !supportedPlatforms.InvalidProjects.Contains(id.ProjectId));
if (contextId != null)
{
contextDocument = document.Project.Solution.GetDocument(contextId);
}
}
var semanticModel = await contextDocument.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var symbols = await GetSymbolsAsync(item, document, cancellationToken).ConfigureAwait(false);
if (symbols.Length > 0)
{
return(await CommonCompletionUtilities.CreateDescriptionAsync(workspace, semanticModel, position, symbols, supportedPlatforms, cancellationToken).ConfigureAwait(false));
}
else
{
return(CompletionDescription.Empty);
}
}
public static async Task <CompletionDescription> GetDescriptionForSymbolsAsync(
CompletionItem item, Document document, ImmutableArray <ISymbol> symbols, SymbolDescriptionOptions options, CancellationToken cancellationToken)
{
if (symbols.Length == 0)
{
return(CompletionDescription.Empty);
}
var position = GetDescriptionPosition(item);
if (position == -1)
{
position = item.Span.Start;
}
var supportedPlatforms = GetSupportedPlatforms(item, document.Project.Solution);
var contextDocument = FindAppropriateDocumentForDescriptionContext(document, supportedPlatforms);
var semanticModel = await contextDocument.GetRequiredSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var services = document.Project.Solution.Services;
return(await CommonCompletionUtilities.CreateDescriptionAsync(services, semanticModel, position, symbols, options, supportedPlatforms, cancellationToken).ConfigureAwait(false));
}
