public async Task<DafnyDocument> LoadDocumentAsync(TextDocumentItem textDocument, CancellationToken cancellationToken) {
var dafnyDocument = await _documentLoader.LoadAsync(textDocument, VerifyOnLoad, cancellationToken);
var databaseDocument = _documents.AddOrUpdate(textDocument.Uri, dafnyDocument, (uri, old) => dafnyDocument.Version > old.Version ? dafnyDocument : old);
if (databaseDocument != dafnyDocument) {
_logger.LogDebug("a newer version of {} was already loaded", textDocument.Uri);
}
return databaseDocument;
}
public async Task <DafnyDocument> ApplyChangesAsync(DafnyDocument oldDocument, DidChangeTextDocumentParams documentChange, CancellationToken cancellationToken)
{
var changeProcessor = new ChangeProcessor(_logger, oldDocument, documentChange.ContentChanges, cancellationToken);
var mergedItem = new TextDocumentItem {
LanguageId = oldDocument.Text.LanguageId,
Uri = oldDocument.Uri,
Version = documentChange.TextDocument.Version,
Text = changeProcessor.MigrateText()
};
var loadedDocument = await _documentLoader.LoadAsync(mergedItem, Verify, cancellationToken);
if (!loadedDocument.SymbolTable.Resolved)
{
return(new DafnyDocument(
loadedDocument.Text,
loadedDocument.Errors,
loadedDocument.Program,
changeProcessor.MigrateSymbolTable(),
// TODO migrate counterexamples?
null
));
}
return(loadedDocument);
}