public object VisitStatementGiveBack(StatementGiveBack statementGiveBack, object o)
{
var functionDeclaration = o as FunctionDeclaration;
var parametersSize = functionDeclaration.ParameterList.Parameters.Count; // TODO Parameter size won't work for structs.
if (statementGiveBack.Expression == null)
{
Emit(Machine.RETURNop, 0, 0, parametersSize);
}
else
{
statementGiveBack.Expression.Visit(this);
Emit(Machine.RETURNop, 1, 0, parametersSize);
_stackManager.DecrementOffset();
}
return(null);
}
public object VisitStatementGiveBack(StatementGiveBack statementGiveBack, object o)
{
if (idTable.ExpectedReturnType == VariableType.ValueTypeEnum.NOTHING)
{
return(null);
}
if (statementGiveBack.Expression == null)
{
throw new Exception("Giveback statement must return value of type: " + idTable.ExpectedReturnType);
}
var expressionVariableType = (VariableType.ValueTypeEnum)statementGiveBack.Expression.Visit(this);
if (expressionVariableType != idTable.ExpectedReturnType)
{
throw new Exception("Give back must return value of expected type");
}
return(null);
}
