public override LatteParser.TypeContext VisitENewObject(LatteParser.ENewObjectContext context)
{
switch (context.type())
{
case LatteParser.TTypeNameContext typeContext:
if (!_environment.NameToClassDef.ContainsKey(typeContext.GetText()))
{
_errorState.AddErrorMessage(new ErrorMessage(
context.start.Line,
ErrorMessages.ClassNotDefinedException(typeContext.GetText())));
}
break;
default:
_errorState.AddErrorMessage(new ErrorMessage(
context.start.Line,
ErrorMessages.IncorrectNewException));
break;
}
return(context.type());
}
public void SyntaxError(IRecognizer recognizer, Symbol offendingSymbol, int line, int charPositionInLine, string msg,
RecognitionException e)
{
_errorState.AddErrorMessage(new ErrorMessage(line, charPositionInLine, msg));
}
public override void EnterProgram(LatteParser.ProgramContext context)
{
_environment.AddPredefinedFunctions();
context.topDef().ToList().ForEach(topDef =>
{
var id = topDef switch
{
LatteParser.FunctionDefContext fDef => fDef.ID().GetText(),
LatteParser.ClassDefContext cDef => cDef.ID()[0].GetText()
};
if (_environment.NameToFunctionDef.ContainsKey(id) || _environment.NameToClassDef.ContainsKey(id))
{
_errorState.AddErrorMessage(new ErrorMessage(
topDef.start.Line,
ErrorMessages.FuncOrClassAlreadyDefined(id)));
}
if (topDef is LatteParser.ClassDefContext classDef)
{
CheckClassDef(classDef);
}
FrontendEnvironment.Instance.AddTopDef(topDef);
});
_environment.NameToClassDef.Values.ToList().ForEach(classDef =>
{
if (classDef.ParentId != null && !_environment.NameToClassDef.ContainsKey(classDef.ParentId))
{
_errorState.AddErrorMessage(
new ErrorMessage(ErrorMessages.ParentNorDefinedException(classDef.Id, classDef.ParentId)));
}
});
}
