public static HashSet <string> FindDependencies(TexlNode node, TexlBinding binding)
{
var v = new DependencyFinder
{
_binding = binding
};
node.Accept(v);
return(v._vars);
}
private CheckResult CheckInternal(string expressionText, FormulaType parameterType = null, bool intellisense = false)
{
if (parameterType == null)
{
parameterType = new RecordType();
}
var formula = new Formula(expressionText);
formula.EnsureParsed(TexlParser.Flags.None);
// Ok to continue with binding even if there are parse errors.
// We can still use that for intellisense.
var extraFunctions = _extraFunctions.Values.ToArray();
var resolver = new RecalcEngineResolver(this, (RecordType)parameterType, EnumStore.EnumSymbols, extraFunctions);
// $$$ - intellisense only works with ruleScope.
// So if running for intellisense, pass the parameters in ruleScope.
// But if running for eval, let the resolver handle the parameters.
// Resolver is only invoked if not in RuleScope.
var binding = TexlBinding.Run(
new Glue2DocumentBinderGlue(),
formula.ParseTree,
resolver,
ruleScope: intellisense ? parameterType._type : null,
useThisRecordForRuleScope: false
);
var errors = (formula.HasParseErrors) ? formula.GetParseErrors() : binding.ErrorContainer.GetErrors();
var result = new CheckResult
{
_binding = binding,
_formula = formula,
};
if (errors != null && errors.Any())
{
result.SetErrors(errors.ToArray());
}
else
{
result.TopLevelIdentifiers = DependencyFinder.FindDependencies(binding.Top, binding);
// TODO: Fix FormulaType.Build to not throw exceptions for Enum types then remove this check
if (binding.ResultType.Kind != DKind.Enum)
{
result.ReturnType = FormulaType.Build(binding.ResultType);
}
}
return(result);
}