public static TypeDescriptor OperateDataTypes(IOperator op, TypeDescriptor a, TypeDescriptor b)
{
if (a == b)
{
var dataType = a.DataType;
if (dataType.IsDelegate() || dataType.IsObject() || dataType.IsArray())
{
throw new InvalidOperatorForTypeCompilerException(op.GetType(), a, b, op.Info);
}
return(a);
}
if (a.IsInteger())
{
if (b.IsInteger())
{
return(TypeDescriptor.Integer);
}
if (b.IsNumericOrFloat())
{
return(TypeDescriptor.Numeric);
}
}
if (a.IsNumber())
{
if (b.IsNumber())
{
return(TypeDescriptor.Numeric);
}
if (b.IsString() && op is AdditionOperator)
{
return(TypeDescriptor.String);
}
throw new InvalidOperatorForTypeCompilerException(op.GetType(), a, b, op.Info);
}
if (a.IsString())
{
if (b.IsNumber() && op is MultiplicationOperator)
{
return(TypeDescriptor.String);
}
throw new InvalidOperatorForTypeCompilerException(op.GetType(), a, b, op.Info);
}
throw new InvalidOperatorForTypeCompilerException(op.GetType(), a, b, op.Info);
}
private void graphContextMenuStrip_Opening(object sender, CancelEventArgs e)
{
viewToolStripMenuItem.Enabled = false;
breakpointToolStripMenuItem.Enabled = false;
breakpointToolStripMenuItem.Checked = false;
if (graphTreeView.SelectedNode != null)
{
IOperator op = GetOperatorTag(graphTreeView.SelectedNode);
if (op != null)
{
Type viewType = MainFormManager.GetDefaultViewType(op.GetType());
if (viewType != null)
{
viewToolStripMenuItem.Enabled = true;
viewToolStripMenuItem.Tag = op;
}
breakpointToolStripMenuItem.Enabled = !Locked;
breakpointToolStripMenuItem.Tag = op;
if (op.Breakpoint)
{
breakpointToolStripMenuItem.Checked = true;
}
}
}
}
private void setOperatorComboValue(IOperator op)
{
string sOp = op.GetType().Name;
if (sOp.Equals(typeof(EqualOperator).Name))
{
Operator.SelectedIndex = 0;
}
if (sOp.Equals(typeof(NotEqualOperator).Name))
{
Operator.SelectedIndex = 1;
}
if (sOp.Equals(typeof(GreaterOperator).Name))
{
Operator.SelectedIndex = 2;
}
if (sOp.Equals(typeof(GreaterOrEqualOperator).Name))
{
Operator.SelectedIndex = 3;
}
if (sOp.Equals(typeof(LowerOperator).Name))
{
Operator.SelectedIndex = 4;
}
if (sOp.Equals(typeof(LowerOrEqualOperator).Name))
{
Operator.SelectedIndex = 5;
}
}
public static IMemberPredicate Define(IOperator Operator, MemberInfo Member)
{
var OP = Operator.GetType();
var typedef = typeof(MemberPredicate <>).GetGenericTypeDefinition();
var type = typedef.MakeGenericType(OP);
var predicate = Activator.CreateInstance(type, Operator, Member) as IMemberPredicate;
return(predicate);
}
/// <summary>
/// Devuelve el nombre interno del operador pasado como parámetro
/// </summary>
/// <param name="conditionalOperator">operador condicional</param>
/// <returns>el nombre interno del operador pasado como parámetro</returns>
public static string GetOperatorInternalName(IOperator conditionalOperator)
{
return(Assembly.GetExecutingAssembly().GetTypes()
.Where(type =>
type == conditionalOperator.GetType() &&
type.GetCustomAttribute(typeof(Operator)) != null)
.Select(type => ((Operator)type.GetCustomAttribute(typeof(Operator))).InternalName)
.FirstOrDefault());
}
public string Get()
{
return(JsonSerializer.Serialize(new
{
allPlugins = _plugins.Select(p => p.ToString()),
operators = _operators.Select(o => o.GetType().Name),
defaultOperator = _defaultOperator.GetType().Name
}, new JsonSerializerOptions {
WriteIndented = true
}));
}
public void Execute(int op1, IOperator opr, int op2)
{
//STEP 1: calculate
//int result = Calculate(op1, opr, op2);
int result = opr.Calculate(op1, op2);
//Step 2: format
string output = Formatter.FormatResult(op1, opr.GetType().Name, op2, result);
//Step 3: calculate
Presenter.Present(output);
}
public static IOperatorShapeInfo CreateOperatorShapeInfo(IOperator op) {
IEnumerable<string> operatorParameterNames = op.Parameters.Where(p => p is IValueParameter && typeof(IOperator).IsAssignableFrom(p.DataType)).Select(p => p.Name);
IEnumerable<string> paramaterNameValues = op.Parameters.Where(p => !(p is IValueParameter && typeof(IOperator).IsAssignableFrom(p.DataType))).Select(p => p.ToString());
OperatorShapeInfo operatorShapeInfo = new OperatorShapeInfo(operatorParameterNames, paramaterNameValues);
operatorShapeInfo.AddConnector(PredecessorConnector);
operatorShapeInfo.Collapsed = true;
operatorShapeInfo.Title = op.Name;
operatorShapeInfo.TypeName = op.GetType().GetPrettyName();
operatorShapeInfo.Color = Color.LightBlue;
operatorShapeInfo.LineWidth = 1;
operatorShapeInfo.LineColor = Color.Black;
operatorShapeInfo.Icon = new Bitmap(op.ItemImage);
return operatorShapeInfo;
}
public static IOperatorShapeInfo CreateOperatorShapeInfo(IOperator op)
{
IEnumerable <string> operatorParameterNames = op.Parameters.Where(p => p is IValueParameter && typeof(IOperator).IsAssignableFrom(p.DataType)).Select(p => p.Name);
IEnumerable <string> paramaterNameValues = op.Parameters.Where(p => !(p is IValueParameter && typeof(IOperator).IsAssignableFrom(p.DataType))).Select(p => p.ToString());
OperatorShapeInfo operatorShapeInfo = new OperatorShapeInfo(operatorParameterNames, paramaterNameValues);
operatorShapeInfo.AddConnector(PredecessorConnector);
operatorShapeInfo.Collapsed = true;
operatorShapeInfo.Title = op.Name;
operatorShapeInfo.TypeName = op.GetType().GetPrettyName();
operatorShapeInfo.Color = Color.LightBlue;
operatorShapeInfo.LineWidth = 1;
operatorShapeInfo.LineColor = Color.Black;
operatorShapeInfo.Icon = new Bitmap(op.ItemImage);
return(operatorShapeInfo);
}
/// <summary>
/// Builds the expression tree from the token queue
/// </summary>
/// <returns></returns>
public Expression BuildTree()
{
// make a copy of the queue, so that we don't empty the original queue
Queue <Token> tempQueue = new Queue <Token>(tokenQueue);
Stack <Expression> exprStack = new Stack <Expression>();
List <Expression> args = new List <Expression>();
//Stack<String> literalStack = new Stack<String>();
//var q = tempQueue.Select(x => x.value.ToString() + (x.GetType() == typeof(MemberToken) ? ":" + ((MemberToken)x).name : ""));
//System.Diagnostics.Debug.WriteLine(string.Join("][", q.ToArray()));
while (tempQueue.Count > 0)
{
Token t = tempQueue.Dequeue();
if (t.isIdent)
{
// handle numeric literals
exprStack.Push(Expression.Constant(t.value, t.type));
}
else if (t.isType)
{
exprStack.Push(Expression.Constant(t.value));
}
//else if (t.isVariable)
//{
// // handle variables
// string token = (string)t.value;
// exprStack.Push(Expression.Property(Expression.Constant(StateBag), (string)token));
//}
//else if (t.isParameterizer)
//{
// //exprStack.Push(Expression.Property(Expression.Constant(StateBag), (string)token));
//}
else if (t.isOperator)
{
// handle operators
Expression topExpression = null;
bool nullOnTop = false;
if (exprStack.Count > 0)
{
topExpression = exprStack.Peek();
if (topExpression is ConstantExpression)
{
nullOnTop = (((ConstantExpression)topExpression).Value == null);
}
}
Expression result = null;
IOperator op = operators[(string)t.value];
if (nullOnTop && op is MethodOperator)
{
continue;
}
else
{
OpFuncDelegate opfunc = OpFuncServiceLocator.Resolve(op.GetType());
for (int i = 0; i < t.argCount; i++)
{
args.Add(exprStack.Pop());
}
// Arguments are in reverse order
args.Reverse();
try
{
result = opfunc(new OpFuncArgs()
{
tempQueue = tempQueue, exprStack = exprStack, t = t, op = op, args = args, stack = valueStack
});
args.Clear();
exprStack.Push(result);
}
catch (NotInDictionaryExeception e)
{
//exprStack.Clear();
exprStack.Push(e.Expression);
//break;
}
}
}
//else
//{
// //tempQueue.Enqueue(t);
// literalStack.Push((string)t.value);
//}
}
// we should only have one complete expression on the stack, otherwise, something went wrong
if (exprStack.Count == 1)
{
Expression pop = exprStack.Pop();
//System.Diagnostics.Debug.WriteLine(pop.ToString());
return(pop);
}
else
{
throw new Exception("Invalid expression");
}
//return null;
}
private void VisitOr(IOperator node)
{
var conditionEndpoint = node as Or;
if (conditionEndpoint == null)
{
throw new InvalidOperationException(string.Format(Strings.ExTypeXIsNotSupportedYNode, node.GetType(), node.NodeType));
}
if (node.Source != null)
{
node.Source.AcceptVisitor(this);
}
builder.Append(" OR ");
}
private void VisitRoot(IOperator node)
{
var conditionEndpoint = node as ConditionEndpoint;
if (conditionEndpoint == null)
{
throw new InvalidOperationException(string.Format(Strings.ExTypeXIsNotSupportedYNode, node.GetType(), node.NodeType));
}
}
/// <summary>
/// Converts specified expression into a Token representation and then into a Postfix Token Stack.
/// </summary>
/// <param name="expression">A logical infix expression.</param>
/// <returns>Postfix Token Stack.</returns>
public Stack <IToken> ConvertToStack(string expression)
{
List <IToken> tokens = _tokenParser.ParseInfixExpression(expression);
Stack <IToken> temp = new Stack <IToken>();
// Temporary container for Operators
Stack <IOperator> operatorStack = new Stack <IOperator>();
foreach (var token in tokens)
{
if (!token.IsOperatorToken())
{
// Identifiers are immediately added to the output stack
temp.Push(token);
}
else
{
IOperator currentOperator = (IOperator)token;
if (currentOperator.GetType() == typeof(CloseParanthesisGroupingOperator))
{
// Encountered closing paranthesis
// Iterate through Operators in the OperatorToken stack until an opening paranthesis is encountered
// Add each OperatorToken to the output stack
// Begin with the first entry in the OperatorToken stack
currentOperator = operatorStack.Pop();
// Continue until open paranthesis is encountered
while (currentOperator.GetType() != typeof(OpenParanthesisGroupingOperator))
{
temp.Push(currentOperator);
currentOperator = operatorStack.Pop();
}
}
else if (operatorStack.Any() &&
currentOperator.Precedence.HasValue &&
operatorStack.Peek().Precedence.HasValue&&
currentOperator.Precedence < operatorStack.Peek().Precedence)
{
// Current OperatorToken has a lower precedence than the top OperatorToken in the OperatorToken stack
// Add OperatorToken from stack to output immediately
temp.Push(operatorStack.Pop());
operatorStack.Push(currentOperator);
}
else
{
// Current OperatorToken is either:
// - higher precedence than top OperatorToken in the OperatorToken stack
// - There is no OperatorToken in the OperatorToken stack
// - Current OperatorToken is an opening paranthesis
operatorStack.Push(currentOperator);
}
}
}
// Out of Tokens
// Add anything in the OperatorToken stack to the output stack
foreach (IOperator op in operatorStack)
{
temp.Push(op);
}
// Return the reverse of the output stack
return(new Stack <IToken>(temp));
}
/// <summary>
/// Builds the expression tree from the token queue
/// </summary>
/// <returns></returns>
public Expression BuildTree()
{
if (_tokenQueue.Count == 0)
{
Parse();
}
// make a copy of the queue, so that we don't empty the original queue
Queue <Token> tempQueue = new Queue <Token>(_tokenQueue);
Stack <Expression> exprStack = new Stack <Expression>();
List <Expression> args = new List <Expression>();
Stack <String> literalStack = new Stack <String>();
#if DEBUG
var q = tempQueue.Select(x => x.Value.ToString() + (x.GetType() == typeof(MemberToken) ? ":" + ((MemberToken)x).Name : ""));
System.Diagnostics.Debug.WriteLine(string.Join("][", q.ToArray()));
#endif
int isCastPending = -1;
Type typeCast = null;
while (tempQueue.Count > 0)
{
Token t = tempQueue.Dequeue();
if (isCastPending > -1)
{
isCastPending--;
}
if (isCastPending == 0)
{
exprStack.Push(Expression.Convert(exprStack.Pop(), typeCast));
isCastPending = -1;
}
if (t.IsIdent)
{
// handle numeric literals
exprStack.Push(Expression.Constant(t.Value, t.Type));
}
else if (t.IsType)
{
exprStack.Push(Expression.Constant(t.Value));
}
else if (t.IsOperator)
{
// handle operators
Expression result = null;
IOperator op = _operators[(string)t.Value];
Func <OpFuncArgs, Expression> opfunc = OpFuncServiceLocator.Resolve(op.GetType());
for (int i = 0; i < t.ArgCount; i++)
{
args.Add(exprStack.Pop());
}
// Arguments are in reverse order
args.Reverse();
result = opfunc(new OpFuncArgs()
{
TempQueue = tempQueue, ExprStack = exprStack, T = t, Op = op, Args = args
});
args.Clear();
exprStack.Push(result);
}
else if (t.IsCast)
{
isCastPending = 2;
typeCast = t.Type;
}
}
// we should only have one complete expression on the stack, otherwise, something went wrong
if (exprStack.Count == 1)
{
Expression pop = exprStack.Pop();
#if DEBUG
System.Diagnostics.Debug.WriteLine(pop.ToString());
#endif
return(pop);
}
else
{
throw new Exception("Invalid expression");
}
return(null);
}
