protected override SequenceConvertInfo Convert(
ExpressionBuilder builder, MethodCallExpression methodCall, BuildInfo buildInfo, ParameterExpression param)
{
var predicate = (LambdaExpression)ExpressionBuilder.GetPredicate(methodCall.Arguments[1]);
var info = builder.ConvertSequence(new BuildInfo(buildInfo, methodCall.Arguments[0]), predicate.Parameters[0]);
if (info != null)
{
info.Expression = methodCall.Convert(ex => ConvertMethod(methodCall, 0, info, predicate.Parameters[0], ex));
if (param != null)
{
if (param.Type != info.Parameter.Type)
{
param = Expression.Parameter(info.Parameter.Type, param.Name);
}
if (info.ExpressionsToReplace != null)
{
foreach (var path in info.ExpressionsToReplace)
{
path.Path = path.Path.Convert(e => e == info.Parameter ? param : e);
path.Expr = path.Expr.Convert(e => e == info.Parameter ? param : e);
}
}
}
info.Parameter = param;
return(info);
}
return(null);
}
protected override SequenceConvertInfo Convert(
ExpressionBuilder builder, MethodCallExpression methodCall, BuildInfo buildInfo, ParameterExpression param)
{
if (methodCall.Arguments.Count == 2)
{
var predicate = (LambdaExpression)ExpressionBuilder.GetPredicate(methodCall.Arguments[1]);
var info = builder.ConvertSequence(new BuildInfo(buildInfo, methodCall.Arguments[0]), predicate.Parameters[0]);
if (info != null)
{
info.Expression = methodCall.Convert(ex => ConvertMethod(methodCall, 0, info, predicate.Parameters[0], ex));
info.Parameter = param;
return(info);
}
}
else
{
var info = builder.ConvertSequence(new BuildInfo(buildInfo, methodCall.Arguments[0]), null);
if (info != null)
{
info.Expression = methodCall.Convert(ex => ConvertMethod(methodCall, 0, info, null, ex));
info.Parameter = param;
return(info);
}
}
return(null);
}
protected override IBuildContext BuildMethodCall(ExpressionBuilder builder, MethodCallExpression methodCall, BuildInfo buildInfo)
{
var sequence = builder.BuildSequence(new BuildInfo(buildInfo, methodCall.Arguments[0]));
var condition = (LambdaExpression)ExpressionBuilder.GetPredicate(methodCall.Arguments[1]);
var result = builder.BuildWhere(buildInfo.Parent, sequence, condition, true);
result.SetAlias(condition.Parameters[0].Name);
return(result);
}
protected override IBuildContext BuildMethodCall(ExpressionBuilder builder, MethodCallExpression methodCall, BuildInfo buildInfo)
{
var sequence = builder.BuildSequence(new BuildInfo(buildInfo, methodCall.Arguments[0])
{
CopyTable = true
});
if (methodCall.Arguments.Count == 2)
{
var condition = (LambdaExpression)ExpressionBuilder.GetPredicate(methodCall.Arguments[1]);
if (methodCall.Method.Name == "All")
#if FW4 || SILVERLIGHT
{ condition = Expression.Lambda(Expression.Not(condition.Body), condition.Name, condition.Parameters); }
#else
{ condition = Expression.Lambda(Expression.Not(condition.Body), condition.Parameters.ToArray()); }
#endif
sequence = builder.BuildWhere(buildInfo.Parent, sequence, condition, true);
sequence.SetAlias(condition.Parameters[0].Name);
}
return(new AllAnyContext(buildInfo.Parent, methodCall, sequence));
}