public IfStatementNode(ExpressionNode cond)
{
if (cond == null)
throw new ParsingException("Parser: An If statmentent must conatain a condition!");
Condition = cond;
}
public UnaryOperationNode(ExpressionOperationType opType, ExpressionNode operand)
{
if (!validOperators.Contains(opType))
throw new ArgumentException("Invalid unary operator given!", "opType");
OperationType = opType;
Operand = operand;
}
public VariableAssingmentNode(string name, ExpressionNode expr)
{
if (expr == null)
throw new ParsingException("The assinged expression may not be null!");
VariableName = name;
ValueExpression = expr;
}
private static readonly ExpressionNode DefaultIntValueExpression = ExpressionNode.CreateConstantExpression(0); //the default value for an int is zero (0).
#endregion Fields
#region Constructors
/// <summary>
/// Creates a new instance of the VariableDeclarationNode class.
/// </summary>
/// <param name="type">The type of the variable.</param>
/// <param name="name">The name of the variable.</param>
/// <param name="initialValue">A expression used to initialise the variable initially or null to use the default value.</param>
public VariableDeclarationNode(VariableType type, string name, ExpressionNode initialValue)
{
Type = type;
Name = name;
initialValue = initialValue ?? DefaultIntValueExpression;
InitialValueExpression = initialValue;
}
public BinaryOperationNode(ExpressionOperationType opType, ExpressionNode operandA, ExpressionNode operandB)
{
if (!validOperators.Contains(opType))
throw new ArgumentException("Invalid binary operator given!", "opType");
OperationType = opType;
OperandA = operandA;
OperandB = operandB;
}
public void AddArgument(ExpressionNode arg)
{
arguments.Add(arg);
}
public WhileLoopNode(ExpressionNode cond)
{
if (cond == null)
throw new ParsingException("Parser: An while loop must conatain a condition!");
}
public ReturnStatementNode(ExpressionNode valueExpr)
{
ValueExpression = valueExpr;
}