ExpressionEvaluatorContext CreateContext(Expression context, ExpressionEvaluatorParameters parameters) =>
new ExpressionEvaluatorContext(context, parameters) {
Unsupported = Unsupported,
NullSubexpression = NullSubexpression
};
public EvaluationResult EvaluateAsTarget(Expression expression, Expression context, ExpressionEvaluatorParameters contextParameters) => CreateContext(context, contextParameters).EvaluateAsTarget(expression);
public EvaluationResult Evaluate(Expression body, Expression context, ExpressionEvaluatorParameters parameters) =>
Evaluate(body, context, parameters, x => { throw new ExceptionExpressionException(x.Expression, context, x.Exception); });
public EvaluationResult Evaluate(Expression body, Expression context, ExpressionEvaluatorParameters parameters, Func<EvaluationResult, EvaluationResult> onError) {
var result = CreateContext(context, parameters).Evaluate(body);
return result.IsError ? onError(result) : result;
}
public ExpressionEvaluatorContext(Expression context, ExpressionEvaluatorParameters parameters) {
this.context = context;
this.parameters = parameters;
}