private BlockExpression Deserialize(ParsedBlockExpression parsedExpression)
{
if (parsedExpression == null)
{
throw new ArgumentNullException(nameof(parsedExpression));
}
IEnumerable <Expression> expressions = parsedExpression.Expressions.Select(Deserialize).Concat(new[] { Deserialize(parsedExpression.Result), }).ToArray();
IEnumerable <ParameterExpression> variables = parsedExpression.Variables.Select(Deserialize).ToArray();
List <Expression> finalExpressions = expressions.ToList();
foreach (ParameterExpression variable in variables)
{
for (int i = 0; i < finalExpressions.Count; i++)
{
ParameterReplacementVisitor visitorExpression = new ParameterReplacementVisitor(variable);
finalExpressions[i] = visitorExpression.Visit(finalExpressions[i]);
}
}
return(Expression.Block(
parsedExpression.Type == null ? null : Deserialize(parsedExpression.Type),
variables,
finalExpressions));
}
private CatchBlock Deserialize(ParsedCatchBlock parsedCatchBlock)
{
if (parsedCatchBlock == null)
{
throw new ArgumentNullException(nameof(parsedCatchBlock));
}
Expression body = parsedCatchBlock.Body == null ? null : Deserialize(parsedCatchBlock.Body);
ParameterExpression variable = parsedCatchBlock.Variable == null ? null : Deserialize(parsedCatchBlock.Variable);
ParameterReplacementVisitor visitorExpression = new ParameterReplacementVisitor(variable);
Expression finalBody = visitorExpression.Visit(body);
return(Expression.MakeCatchBlock(
parsedCatchBlock.Type == null ? null : Deserialize(parsedCatchBlock.Type),
variable,
finalBody,
parsedCatchBlock.Filter == null ? null : Deserialize(parsedCatchBlock.Filter)));
}
private LambdaExpression Deserialize(ParsedLambdaExpression parsedExpression)
{
if (parsedExpression == null)
{
throw new ArgumentNullException(nameof(parsedExpression));
}
Expression body = parsedExpression.Body == null ? null : Deserialize(parsedExpression.Body);
IEnumerable <ParameterExpression> parameters = parsedExpression.Parameters.Select(Deserialize).ToArray();
Expression finalBody = body;
foreach (ParameterExpression parameter in parameters)
{
ParameterReplacementVisitor visitorBody = new ParameterReplacementVisitor(parameter);
finalBody = visitorBody.Visit(finalBody);
}
return(Expression.Lambda(
finalBody,
parsedExpression.Name,
parsedExpression.TailCall,
parameters));
}