public override Root Run(string[] input)
{
var superComplexAst = AntlrParser.ParseAntlrAst(input);
var ast = AstSimplifier.Simplify(superComplexAst);
RunStep <ImportLinker>(ref ast);
RunStep <VariableAssigner>(ref ast);
RunStep <AstValidator>(ref ast);
return(ast);
}
internal override BsonValue TranslateExpressionToAggregateExpression <TSource, TResult>(
Expression <Func <TSource, TResult> > expression,
IBsonSerializer <TSource> sourceSerializer,
IBsonSerializerRegistry serializerRegistry,
ExpressionTranslationOptions translationOptions)
{
expression = (Expression <Func <TSource, TResult> >)PartialEvaluator.EvaluatePartially(expression);
var context = TranslationContext.Create(expression, sourceSerializer);
var translation = ExpressionToAggregationExpressionTranslator.TranslateLambdaBody(context, expression, sourceSerializer, asRoot: true);
var simplifiedAst = AstSimplifier.Simplify(translation.Ast);
return(simplifiedAst.Render());
}
public static AstPipeline Optimize(AstPipeline pipeline)
{
pipeline = AstGroupPipelineOptimizer.Optimize(pipeline);
pipeline = AstSimplifier.SimplifyAndConvert(pipeline);
return(pipeline);
}
