public override void CheckSemantics(TigerScope scope, Report report)
{
ContainingScope = scope;
//Check children
TypeNode.CheckSemantics(scope, report);
RecordFieldInitNodes.ToList().ForEach(f => f.CheckSemantics(scope, report));
if (!TypeNode.IsOK || RecordFieldInitNodes.Any(f => !f.IsOK))
{
return;
}
//Check children types
if (!(TypeNode.TigerType is RecordType))
{
report.AddError(SemanticErrors.NonRecordType(TypeNode, TypeNode.TigerType));
}
else
{
TigerType = TypeNode.TigerType;
var fields = ((RecordType)TypeNode.TigerType).RecordFields;
//Check fields length
if (fields.Length != RecordFieldInitNodes.Length)
{
report.AddError(SemanticErrors.WrongNumberOfFields(TypeNode, TypeNode.TigerType.Name, fields.Length, RecordFieldInitNodes.Length));
}
//Check field names and types
for (int i = 0; i < Math.Min(fields.Length, RecordFieldInitNodes.Length); i++)
{
if (fields[i].Name != RecordFieldInitNodes[i].IdNode.Name)
{
report.AddError(SemanticErrors.WrongFieldPosition(RecordFieldInitNodes[i].IdNode, fields[i].Name, RecordFieldInitNodes[i].IdNode.Name));
}
if (!fields[i].TigerType.Assignable(RecordFieldInitNodes[i].TigerType))
{
report.AddError(SemanticErrors.InvalidFieldType(RecordFieldInitNodes[i].IdNode, fields[i].TigerType, RecordFieldInitNodes[i].TigerType));
}
}
}
}