internal static HashSet <Expression> Nominate(Expression expression)
{
Nominator nominator = new Nominator();
nominator.Visit(expression);
return(nominator.candidates);
}
public static HashSet <Expression> Nominate(Expression node)
{
var nominator = new Nominator();
nominator.Visit(node);
return(nominator._candidates);
}
internal static HashSet <Expression> Nominate(QueryLanguage language, ProjectionAffinity affinity, Expression expression)
{
Nominator nominator = new Nominator(language, affinity);
nominator.Visit(expression);
return(nominator.candidates);
}
public static HashSet <Expression> Nominate(Expression expression, Func <Expression, bool> fnCanBeEvaluated)
{
var visitor = new Nominator(fnCanBeEvaluated);
visitor.Visit(expression);
return(visitor.candidates);
}
internal static HashSet <Expression> Nominate(QueryLanguage language, Expression expression)
{
Nominator nominator = new Nominator(language);
nominator.Visit(expression);
return(nominator.candidates);
}
internal static HashSet <Expression> Nominate(Func <Expression, bool> fnCanBeColumn, Expression expression)
{
var nominator = new Nominator(fnCanBeColumn);
nominator.Visit(expression);
return(nominator.candidates);
}
internal static HashSet <Expression> Nominate(Func <Expression, bool> fnCanBeEvaluated, Expression expression)
{
Nominator nominator = new Nominator(fnCanBeEvaluated);
nominator.Visit(expression);
return(nominator.candidates);
}
public static HashSet <Expression> Nominate(Func <Expression, bool> canBeEvaluated, Expression expression)
{
Nominator nominator = new Nominator(canBeEvaluated);
nominator.Visit(expression);
return(nominator._candidates);
}
public static Expression EvaluatePartially(Expression expression)
{
var nominator = new Nominator();
nominator.Visit(expression);
var candidates = nominator.Candidates;
var evaluator = new SubtreeEvaluator(candidates);
return(evaluator.Visit(expression));
}
public static HashSet <Expression> Nominate(QueryLanguage language, Expression expression)
{
var nominator = new Nominator(language);
if (nominator != null)
{
nominator.Visit(expression);
}
return(nominator.candidates);
}
public static Expression Simplify(Expression expression)
{
if (expression.NodeType == ExpressionType.Constant)
return expression;
var nominator = new Nominator();
nominator.Visit(expression);
if (nominator.mayBeEvaluated.Count == 0) // no possible evaluations
return expression;
var ret = new Evaluator(nominator.mayBeEvaluated).Visit(expression);
return ret;
}
public static Expression Simplify(Expression expression)
{
if (expression.NodeType == ExpressionType.Constant)
{
return(expression);
}
var nominator = new Nominator();
nominator.Visit(expression);
if (nominator.mayBeEvaluated.Count == 0) // no possible evaluations
{
return(expression);
}
var ret = new Evaluator(nominator.mayBeEvaluated).Visit(expression);
return(ret);
}
internal static HashSet<Expression> Nominate(Func<Expression, bool> fnCanBeEvaluated, Expression expression)
{
Nominator nominator = new Nominator(fnCanBeEvaluated);
nominator.Visit(expression);
return nominator.candidates;
}
public static HashSet<Expression> Nominate(Func<Expression, bool> canBeEvaluated, Expression expression)
{
Nominator nominator = new Nominator(canBeEvaluated);
nominator.Visit(expression);
return nominator._candidates;
}
public static HashSet<Expression> Nominate(Expression node)
{
var nominator = new Nominator();
nominator.Visit(node);
return nominator._candidates;
}
internal static HashSet<Expression> Nominate(QueryLanguage language, Expression expression)
{
Nominator nominator = new Nominator(language);
nominator.Visit(expression);
return nominator.candidates;
}
internal static HashSet<Expression> Nominate(Expression expression)
{
Nominator nominator = new Nominator();
nominator.Visit(expression);
return nominator.candidates;
}