internal override void Execute(RuleExecution execution)
{
Type leftType = execution.Validation.ExpressionInfo(assignStatement.Left).ExpressionType;
Type rightType = execution.Validation.ExpressionInfo(assignStatement.Right).ExpressionType;
RuleExpressionResult leftResult = RuleExpressionWalker.Evaluate(execution, assignStatement.Left);
RuleExpressionResult rightResult = RuleExpressionWalker.Evaluate(execution, assignStatement.Right);
leftResult.Value = Executor.AdjustType(rightType, rightResult.Value, leftType);
}
internal static bool EvaluateBool(CodeExpression expression, RuleExecution context)
{
object result = RuleExpressionWalker.Evaluate(context, expression).Value;
if (result is bool)
{
return((bool)result);
}
Type expectedType = context.Validation.ExpressionInfo(expression).ExpressionType;
if (expectedType == null)
{
// oops ... not a boolean, so error
InvalidOperationException exception = new InvalidOperationException(Messages.ConditionMustBeBoolean);
exception.Data[RuleUserDataKeys.ErrorObject] = expression;
throw exception;
}
return((bool)AdjustType(expectedType, result, typeof(bool)));
}
internal override void Execute(RuleExecution execution)
{
RuleExpressionWalker.Evaluate(execution, exprStatement.Expression);
}