public FindStructuresAction(List<InstanceTree> scope, StructDef def, string expr)
{
_scope = scope;
_def = def;
if (expr.Length > 0)
{
_expr = ExpressionParser.Parse(expr);
}
}
public UnaryExpression(Expression operand, ExprTokenType operation)
{
_operand = operand;
_operation = operation;
}
public virtual IConvertible EvaluateFunction(string symbol, Expression[] parameters)
{
return _delegate.EvaluateFunction(symbol, parameters);
}
public TernaryExpression(Expression condition, Expression trueValue, Expression falseValue)
{
_condition = condition;
_trueValue = trueValue;
_falseValue = falseValue;
}
public LogicalExpression(ExprTokenType operation, Expression lhs, Expression rhs)
: base(operation, lhs, rhs)
{
}
public FunctionExpression(string function, Expression[] parameters)
{
_function = function;
_parameters = parameters;
}
public ContextExpression(string contextExpr, Expression expr, Expression[] parameters)
{
_contextExpr = contextExpr;
_expr = expr;
_parameters = parameters;
}
public CompareExpression(ExprTokenType operation, Expression lhs, Expression rhs)
: base(operation, lhs, rhs)
{
}
public BinaryExpression(ExprTokenType operation, Expression lhs, Expression rhs)
{
_operation = operation;
_lhs = lhs;
_rhs = rhs;
}
protected void AddCell(StructInstance instance, Expression expr)
{
instance.AddCell(new ExprCell(this, instance, expr), _hidden);
}
public IConvertible EvaluateFunction(string symbol, Expression[] parameters)
{
NeedData();
IConvertible funcValue = StructFunctions.Instance.Evaluate(symbol, parameters, this);
if (funcValue != null)
return funcValue;
throw new LoadDataException("Unknown symbol " + symbol);
}