public override bool VisitAssignmentStatement(QuestScriptParser.AssignmentStatementContext context)
{
var success = base.VisitAssignmentStatement(context);
var identifier = context.LVal.GetText();
var variable = _current.GetVariable(identifier);
var variableDefined = variable != null;
var isMemberAssignment = identifier.Contains(".");
if (!isMemberAssignment && !variableDefined)
{
DeclareLocalVariable(identifier, context.LVal, context.RVal);
}
else if (variableDefined && !isMemberAssignment) //do a type check, since we are not declaring but assigning
{
//do type checking, since this is not a declaration but an assignment
var rValueType = TypeInferenceVisitor.Visit(context.RVal);
var lValueType = TypeInferenceVisitor.Visit(context.LVal);
if (lValueType != rValueType && !TypeUtil.CanConvert(rValueType, lValueType))
{
Errors.Add(new UnexpectedTypeException(context, lValueType, rValueType, context.RVal,
"Also, tried to find suitable implicit casting, but didn't find anything."));
}
variable.Value = ValueResolverVisitor.Visit(context.RVal);
}
return(success);
}
public override bool VisitAssignmentStatement(QuestScriptParser.AssignmentStatementContext context)
{
context.LVal.Accept(this);
_output.Append(" = ");
context.RVal.Accept(this);
return(true);
}
