コード例 #1
0
ファイル: Esprima.cs プロジェクト: alfredoaguirre/Esprima.Net
        public Node parseExportDefaultDeclaration(Node node)
        {
            Node declaration = null,
                expression = null;

            // covers:
            // export default ...
            expectKeyword("default");

            if (matchKeyword("function"))
            {
                // covers:
                // export default function foo () {}
                // export default function () {}
                declaration = parseFunctionDeclaration(new Node(), true);
                return node.finishExportDefaultDeclaration(declaration);
            }
            if (matchKeyword("class"))
            {
                declaration = parseClassDeclaration(true);
                return node.finishExportDefaultDeclaration(declaration);
            }

            if (matchContextualKeyword("from"))
            {
                throwError(string.Format(Messages.UnexpectedToken, lookahead.value));
            }

            // covers:
            // export default {};
            // export default [];
            // export default (1 + 2);
            if (match("{"))
            {
                expression = parseObjectInitializer();
            }
            else if (match("["))
            {
                expression = parseArrayInitializer();
            }
            else
            {
                expression = parseAssignmentExpression();
            }
            consumeSemicolon();
            return node.finishExportDefaultDeclaration(expression);
        }