visitCascadeExpression method

@override Object? visitCascadeExpression(SCascadeExpression node)

Visit a SCascadeExpression.

Implementation

@override
Object? visitCascadeExpression(SCascadeExpression node) {
  // 1. Evaluate the target expression ONCE.
  final targetValue = node.target!.accept<Object?>(this);

  // 2. Execute each cascade section ON THE ORIGINAL targetValue.
  for (final section in node.cascadeSections) {
    // We need to manually handle each section type, forcing the target.
    if (section is SMethodInvocation) {
      _executeCascadeMethodInvocation(targetValue, section);
    } else if (section is SPropertyAccess) {
      // Evaluate property access for potential side effects (getters), but discard result.
      _executeCascadePropertyAccess(targetValue, section);
    } else if (section is SAssignmentExpression) {
      _executeCascadeAssignment(targetValue, section);
    } else if (section is SIndexExpression) {
      // Evaluate index expression for potential side effects (getters?), but discard result.
      _executeCascadeIndexAccess(targetValue, section);
    } else {
      // Should not happen with valid cascade sections
      throw UnimplementedD4rtException(
        'Cascade section type not handled: ${section.runtimeType}',
      );
    }
  }

  // 3. The cascade expression evaluates to the original target value.
  return targetValue;
}