public While(Condition condition, Statement first, End end)
{
Condition = condition;
FirstStatement = first;
Head = condition;
Tail = end;
}
public Program(Statement Statement)
{
if (Statement == null)
{
throw new ArgumentNullException("listOfStatements");
}
FirstStatement = Statement;
}
public Condition(Expression left, CompareSign compare, Expression right)
{
Compare = compare;
Left = left;
Right = right;
NextTrue = null;
NextFalse = null;
}
public If(Condition condition, Statement ifBlock, Statement elseBlock, End end, Node.Coords coords)
{
Condition = condition;
IfBlock = ifBlock;
ElseBlock = elseBlock;
Head = condition;
Tail = end;
this.Coords = coords;
}
public For(Assignment assn, Condition cond, Assignment chngAssn, Statement first, End end, Node.Coords coords)
{
Assignment = assn;
Condition = cond;
ChngAssignment = chngAssn;
FirstStatement = first;
Head = assn;
Tail = end;
this.Coords = coords;
}
internal static string OneStep(Nodes.Statement currStatement)
{
string result = null;
if (currStatement is Nodes.Print)
{
result = currStatement.Interpreter().StringValue;
}
else
currStatement.Interpreter();
currStatement = currStatement.Next;
return result;
}
public static string Debug(string program, ref List<string> errors, ref List<string> watches, ref int flag)
{
if (currStatement == null)
{
Nodes.Program firstStatement = Parser.Program(program);
firstStatement.Interpreter();
currStatement = firstStatement.FirstStatement;
}
string result = OneStep(currStatement);
watches.Clear();
GetWatches(ref watches);
if (currStatement == null)
flag = 1;
return result;
}
public Label(string name, Statement statement)
{
Name = name;
Statement = statement;
}
