Ejemplo n.º 1
0
        private static async Task <TreeAndVersion> FullyParseTreeAsync(
            ValueSource <TextAndVersion> newTextSource,
            string filePath,
            ParseOptions options,
            IWorkspaceServiceProvider workspaceServices,
            ILanguageServiceProvider languageServices,
            PreservationMode mode,
            CancellationToken cancellationToken)
        {
            using (Logger.LogBlock(FeatureId.DocumentState, FunctionId.DocumentState_FullyParseSyntaxTree, cancellationToken))
            {
                var textAndVersion = await newTextSource.GetValueAsync(cancellationToken).ConfigureAwait(false);

                var text = textAndVersion.Text;

                var treeFactory = languageServices.GetService <ISyntaxTreeFactoryService>();

                var tree = treeFactory.ParseSyntaxTree(filePath, options, text, cancellationToken);

                if (mode == PreservationMode.PreserveValue)
                {
                    var root = await tree.GetRootAsync(cancellationToken).ConfigureAwait(false);

                    // get a recoverable tree that reparses from the source text if it gets used after being kicked out of memory
                    tree = treeFactory.CreateRecoverableTree(tree.FilePath, tree.Options, newTextSource, root, reparse: true);
                }

                Contract.ThrowIfNull(tree);

                // text version for this document should be unique. use it as a starting point.
                return(TreeAndVersion.Create(tree, textAndVersion.Version));
            }
        }
Ejemplo n.º 2
0
        private static async Task<TreeAndVersion> FullyParseTreeAsync(
            ValueSource<TextAndVersion> newTextSource,
            string filePath,
            ParseOptions options,
            IWorkspaceServiceProvider workspaceServices,
            ILanguageServiceProvider languageServices,
            PreservationMode mode,
            CancellationToken cancellationToken)
        {
            using (Logger.LogBlock(FeatureId.DocumentState, FunctionId.DocumentState_FullyParseSyntaxTree, cancellationToken))
            {
                var textAndVersion = await newTextSource.GetValueAsync(cancellationToken).ConfigureAwait(false);
                var text = textAndVersion.Text;

                var treeFactory = languageServices.GetService<ISyntaxTreeFactoryService>();

                var tree = treeFactory.ParseSyntaxTree(filePath, options, text, cancellationToken);

                if (mode == PreservationMode.PreserveValue)
                {
                    var root = await tree.GetRootAsync(cancellationToken).ConfigureAwait(false);

                    // get a recoverable tree that reparses from the source text if it gets used after being kicked out of memory
                    tree = treeFactory.CreateRecoverableTree(tree.FilePath, tree.Options, newTextSource, root, reparse: true);
                }

                Contract.ThrowIfNull(tree);

                // text version for this document should be unique. use it as a starting point.
                return TreeAndVersion.Create(tree, textAndVersion.Version);
            }
        }
Ejemplo n.º 3
0
 public CSharpCodeGenerationService(ILanguageServiceProvider languageServices)
     : base(languageServices.GetService <ISymbolDeclarationService>())
 {
 }