/// <summary>
/// Adds a node to the current node so that it is linked to it.
/// </summary>
/// <param name="node">The node to link this one to</param>
/// <returns>
/// True if successfully added to the list that this node links to.
/// False if this node already links to that node.
/// </returns>
public bool AddLinkedNode(Node node)
{
if (!LinksTo.Contains(node))
{
LinksTo.Add(node);
Parents.Add(node);
return(true);
}
return(false);
}
public BranchNode(NodeDiagram parent, ILInstruction instruction)
: base(parent)
{
this.Instruction = instruction;
string operand = instruction.GetOperandString();
Text = instruction.Offset.ToString("x4") + Environment.NewLine + instruction.Code.ToString() + (string.IsNullOrEmpty(operand) ? "" : Environment.NewLine + operand);
using (System.Drawing.Graphics g = parent.CreateGraphics())
{
SizeF s = g.MeasureString(Text, parent.Font);
nodeSize = base.NodeSize;
if (s.Width > base.NodeSize.Width)
{
nodeSize = new Size((int)s.Width, nodeSize.Height);
}
if (s.Height > base.NodeSize.Height)
{
nodeSize = new Size((int)nodeSize.Width, (int)s.Height);
}
}
if (instruction.Code == OpCodes.Beq || instruction.Code == OpCodes.Beq_S)
{
jumpExpression = "==";
continueExpression = "!=";
}
else if (instruction.Code == OpCodes.Bge || instruction.Code == OpCodes.Bge_S ||
instruction.Code == OpCodes.Bge_Un || instruction.Code == OpCodes.Bge_Un_S)
{
jumpExpression = ">=";
continueExpression = "<";
}
else if (instruction.Code == OpCodes.Bgt || instruction.Code == OpCodes.Bgt_S ||
instruction.Code == OpCodes.Bgt_Un || instruction.Code == OpCodes.Bgt_Un_S)
{
jumpExpression = ">";
continueExpression = "<=";
}
else if (instruction.Code == OpCodes.Ble || instruction.Code == OpCodes.Ble_S ||
instruction.Code == OpCodes.Ble_Un || instruction.Code == OpCodes.Ble_Un_S)
{
jumpExpression = "<=";
continueExpression = ">";
}
else if (instruction.Code == OpCodes.Blt || instruction.Code == OpCodes.Blt_S ||
instruction.Code == OpCodes.Blt_Un || instruction.Code == OpCodes.Blt_Un_S)
{
jumpExpression = "<";
continueExpression = ">=";
}
else if (instruction.Code == OpCodes.Bne_Un || instruction.Code == OpCodes.Bne_Un_S)
{
jumpExpression = "!=";
continueExpression = "==";
}
else if (instruction.Code == OpCodes.Brfalse || instruction.Code == OpCodes.Brfalse_S)
{
jumpExpression = "false";
continueExpression = "true";
}
else if (instruction.Code == OpCodes.Brtrue || instruction.Code == OpCodes.Brtrue_S)
{
jumpExpression = "true";
continueExpression = "false";
}
LinksTo.Add(new Condition()
{
Text = continueExpression
});
LinksTo.Add(new Condition()
{
Text = jumpExpression
});
}