Function reparseTopLevelAwait

test/fixtures/snapshot/typescript.js:31722–31815

(sourceFile)

            return node;
        }
        function reparseTopLevelAwait(sourceFile) {
            var savedSyntaxCursor = syntaxCursor;
            var baseSyntaxCursor = IncrementalParser.createSyntaxCursor(sourceFile);
            syntaxCursor = { currentNode: currentNode };
            var statements = [];
            var savedParseDiagnostics = parseDiagnostics;
            parseDiagnostics = [];
            var pos = 0;
            var start = findNextStatementWithAwait(sourceFile.statements, 0);
            var _loop_3 = function () {
                // append all statements between pos and start
                var prevStatement = sourceFile.statements[pos];
                var nextStatement = sourceFile.statements[start];
                ts.addRange(statements, sourceFile.statements, pos, start);
                pos = findNextStatementWithoutAwait(sourceFile.statements, start);
                // append all diagnostics associated with the copied range
                var diagnosticStart = ts.findIndex(savedParseDiagnostics, function (diagnostic) { return diagnostic.start >= prevStatement.pos; });
                var diagnosticEnd = diagnosticStart >= 0 ? ts.findIndex(savedParseDiagnostics, function (diagnostic) { return diagnostic.start >= nextStatement.pos; }, diagnosticStart) : -1;
                if (diagnosticStart >= 0) {
                    ts.addRange(parseDiagnostics, savedParseDiagnostics, diagnosticStart, diagnosticEnd >= 0 ? diagnosticEnd : undefined);
                }
                // reparse all statements between start and pos. We skip existing diagnostics for the same range and allow the parser to generate new ones.
                speculationHelper(function () {
                    var savedContextFlags = contextFlags;
                    contextFlags |= 32768 /* NodeFlags.AwaitContext */;
                    scanner.setTextPos(nextStatement.pos);
                    nextToken();
                    while (token() !== 1 /* SyntaxKind.EndOfFileToken */) {
                        var startPos = scanner.getStartPos();
                        var statement = parseListElement(0 /* ParsingContext.SourceElements */, parseStatement);
                        statements.push(statement);
                        if (startPos === scanner.getStartPos()) {
                            nextToken();
                        }
                        if (pos >= 0) {
                            var nonAwaitStatement = sourceFile.statements[pos];
                            if (statement.end === nonAwaitStatement.pos) {
                                // done reparsing this section
                                break;
                            }
                            if (statement.end > nonAwaitStatement.pos) {
                                // we ate into the next statement, so we must reparse it.
                                pos = findNextStatementWithoutAwait(sourceFile.statements, pos + 1);
                            }
                        }
                    }
                    contextFlags = savedContextFlags;
                }, 2 /* SpeculationKind.Reparse */);
                // find the next statement containing an `await`
                start = pos >= 0 ? findNextStatementWithAwait(sourceFile.statements, pos) : -1;
            };
            while (start !== -1) {
                _loop_3();
            }
            // append all statements between pos and the end of the list
            if (pos >= 0) {
                var prevStatement_1 = sourceFile.statements[pos];
                ts.addRange(statements, sourceFile.statements, pos);