public override bool SemanticAnalysis()
{
try
{
IsSemanticCorrect = outGraph.SemanticAnalysis();
outGraph.MainVariable.WasUsed = true;
outGraph.MainVariable.WasNewValueUsed = false;
outGraph.MainVariable.WasAssignedNewValue = LineNumber;
if (outGraph.MainVariable.Type != "graph")
{
throw new WrongOperandTypeException(LineNumber, "Floyd", 1, "graph");
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
try
{
IsSemanticCorrect &= inGraph.SemanticAnalysis();
inGraph.MainVariable.WasUsed = true;
inGraph.MainVariable.WasNewValueUsed = true;
if (inGraph.MainVariable.Type != "graph" || (inGraph.TypeOfNode != NodeType.Variable))
{
throw new WrongOperandTypeException(LineNumber, "Floyd", 2, "graph");
}
if (IsSemanticCorrect) //ещё надо сравнить размерности
{
if (int.Parse(inGraph.MainVariable.Value) != int.Parse(outGraph.MainVariable.Value)) //если не равны
{
throw new UnequalGraphsDimentionsException(LineNumber, outGraph.MainVariable.Name, inGraph.MainVariable.Name);
}
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
return(IsSemanticCorrect);
}
public override bool SemanticAnalysis()
{
try
{
IsSemanticCorrect = graph.SemanticAnalysis();
graph.MainVariable.WasUsed = true;
graph.MainVariable.WasNewValueUsed = true;
if (graph.MainVariable.Type != "graph")
{
throw new WrongOperandTypeException(LineNumber, "IsFull", 1, "graph");
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
try
{
IsSemanticCorrect &= outVariable.SemanticAnalysis();
outVariable.MainVariable.WasUsed = true;
outVariable.MainVariable.WasNewValueUsed = false;
outVariable.MainVariable.WasIdentified = true;
outVariable.MainVariable.WasAssignedNewValue = LineNumber;
if ((outVariable.TypeOfNode != NodeType.Variable) || (outVariable.MainVariable.Type != "bool"))
{
throw new WrongOperandTypeException(LineNumber, "IsFull", 2, "bool variable");
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
//возвращаемся
return(IsSemanticCorrect);
}
public override bool SemanticAnalysis()
{
try
{
IsSemanticCorrect = graph.SemanticAnalysis();
graph.MainVariable.WasUsed = true;
graph.MainVariable.WasNewValueUsed = true;
if (graph.MainVariable.Type != "graph")
{
throw new WrongOperandTypeException(LineNumber, "GetEdge", 1, "graph");
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
//проверяем первую вершину
try
{
IsSemanticCorrect &= first.SemanticAnalysis();
first.MainVariable.WasUsed = true;
first.MainVariable.WasNewValueUsed = true;
if (first.MainVariable.Type != "int")
{
throw new WrongOperandTypeException(LineNumber, "GetEdge", 2, "int");
}
if (!first.MainVariable.WasIdentified)
{
throw new UnidentifiedVariableException(LineNumber, first.MainVariable.Name);
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
//аналогично вторую
try
{
IsSemanticCorrect &= second.SemanticAnalysis();
second.MainVariable.WasUsed = true;
second.MainVariable.WasNewValueUsed = true;
if (second.MainVariable.Type != "int")
{
throw new WrongOperandTypeException(LineNumber, "GetEdge", 3, "int");
}
if (!second.MainVariable.WasIdentified)
{
throw new UnidentifiedVariableException(LineNumber, second.MainVariable.Name);
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
//теперь результирующая
{
try
{
IsSemanticCorrect &= Res.SemanticAnalysis();
Res.MainVariable.WasUsed = true;
Res.MainVariable.WasNewValueUsed = false;
Res.MainVariable.WasIdentified = true;
if (Res.TypeOfNode != NodeType.Variable)
{
throw new WrongOperandTypeException(LineNumber, "GetEdge", 4, "int variable");
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
//возвращаемся
return(IsSemanticCorrect);
}
}
public override bool SemanticAnalysis()
{
//По сути, создавая граф, мы объявляем новую переменную тип graph
MainVariable = new Variable();
numGraph = ++Counters.graphs;
MainVariable.AlternativeName = "graph_" + (numGraph).ToString();
MainVariable.IsDeclared = true;
MainVariable.WasIdentified = true; //переменная объявлена и идентифицирована
MainVariable.WasNewValueUsed = false;
MainVariable.WasUsed = false;
MainVariable.Name = graph.Value;
MainVariable.DeclaredLine = LineNumber;
MainVariable.Type = "graph";
try
{
Variable possibleVariable = parentBlock.BlockVariables.FirstOrDefault(var => var.Name == MainVariable.Name);
if (possibleVariable != null)
{
IsSemanticCorrect = false;
possibleVariable.Type = "graph"; //меняем тип
throw new RedeclaringVariableException(LineNumber, MainVariable.Name);
}
parentBlock.BlockVariables.Add(MainVariable); //помещаем в список переменных данного блока
IsSemanticCorrect = true;
graph.SemanticAnalysis();
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false; //плохо
}
try
{
IsSemanticCorrect &= InputVar.SemanticAnalysis();
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
if (InputVar.MainVariable.Type != "graph")
{
try
{
string num = InputVar.CanCreateGraph();
if (num == "")
{
IsSemanticCorrect = false;
throw new RequredConstantExceptoion(LineNumber);
}
else
{
NumVertecies = int.Parse(num);
if (NumVertecies <= 0)
{
throw new PositiveIntegerIsRequiredException(LineNumber);
}
MainVariable.Value = num;
}
}
catch (SemanticException e)
{
Console.WriteLine(e.Message);
IsSemanticCorrect = false;
}
catch (DividingByZeroWarning w)
{
Console.WriteLine(w.Message);
IsSemanticCorrect = false;
}
}
return(IsSemanticCorrect);
}