import '../token.dart';
import 'node.dart';
import 'package:source_span/src/span.dart';
import 'variable_definition.dart';

class VariableDefinitionsContext extends Node {
  final Token LPAREN, RPAREN;
  final List<VariableDefinitionContext> variableDefinitions = [];

  VariableDefinitionsContext(this.LPAREN, this.RPAREN);

  @override
  SourceSpan get span =>
      new SourceSpan(LPAREN.span?.end, RPAREN.span?.end, toSource());

  @override
  String toSource() {
    var buf = new StringBuffer('[');

    for (int i = 0; i < variableDefinitions.length; i++) {
      if (i > 0) buf.write(',');
      buf.write(variableDefinitions[i].toSource());
    }

    buf.write(']');
    return buf.toString();
  }
}