Examples with TypeDeclarationContext com.linkedin.data.grammar.PdlParser.TypeDeclarationContext used on opensource projects

Example 1 with TypeDeclarationContext

use of com.linkedin.data.grammar.PdlParser.TypeDeclarationContext in project rest.li by linkedin.

the class PdlSchemaParser method parse.

/**
   * Parse list of Data objects.
   *
   * The {{DataSchema}'s parsed are in {{#topLevelDataSchemas}.
   * Parse errors are in {{#errorMessageBuilder} and indicated
   * by {{#hasError()}.
   *
   * @param document provides the source code in AST form
   */
private DataSchema parse(DocumentContext document) throws ParseException {
    PdlParser.NamespaceDeclarationContext namespaceDecl = document.namespaceDeclaration();
    if (namespaceDecl != null) {
        setCurrentNamespace(namespaceDecl.qualifiedIdentifier().value);
    } else {
        setCurrentNamespace("");
    }
    if (document.packageDeclaration() != null) {
        setCurrentPackage(document.packageDeclaration().qualifiedIdentifier().value);
    } else {
        setCurrentPackage(null);
    }
    setCurrentImports(document.importDeclarations());
    TypeDeclarationContext typeDeclaration = document.typeDeclaration();
    DataSchema schema;
    if (typeDeclaration.namedTypeDeclaration() != null) {
        NamedDataSchema namedSchema = parseNamedType(typeDeclaration.namedTypeDeclaration());
        if (!namedSchema.getNamespace().equals(getCurrentNamespace())) {
            throw new ParseException(typeDeclaration, "Top level type declaration may not be qualified with a namespace different than the file namespace: " + typeDeclaration.getText());
        }
        schema = namedSchema;
    } else if (typeDeclaration.anonymousTypeDeclaration() != null) {
        schema = parseAnonymousType(typeDeclaration.anonymousTypeDeclaration());
    } else {
        throw new ParseException(typeDeclaration, "Unrecognized type declaration: " + typeDeclaration.getText());
    }
    addTopLevelSchema(schema);
    return schema;
}