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made evaluate method exported #55

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made evaluate method exported #55

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2 changes: 1 addition & 1 deletion bexpr.go
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Original file line number Diff line number Diff line change
Expand Up @@ -60,5 +60,5 @@ func (eval *Evaluator) Evaluate(datum interface{}) (bool, error) {
opts = append(opts, WithUnknownValue(*eval.unknownVal))
}

return evaluate(eval.ast, datum, opts...)
return Evaluate(eval.ast, datum, opts...)
}
14 changes: 7 additions & 7 deletions evaluate.go
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Original file line number Diff line number Diff line change
Expand Up @@ -437,7 +437,7 @@ func evaluateCollectionExpression(expression *grammar.CollectionExpression, datu
}
}

result, err := evaluate(expression.Inner, datum, innerOpt...)
result, err := Evaluate(expression.Inner, datum, innerOpt...)
if err != nil {
return false, err
}
Expand All @@ -453,31 +453,31 @@ func evaluateCollectionExpression(expression *grammar.CollectionExpression, datu
}
}

func evaluate(ast grammar.Expression, datum interface{}, opt ...Option) (bool, error) {
func Evaluate(ast grammar.Expression, datum interface{}, opt ...Option) (bool, error) {
switch node := ast.(type) {
case *grammar.UnaryExpression:
switch node.Operator {
case grammar.UnaryOpNot:
result, err := evaluate(node.Operand, datum, opt...)
result, err := Evaluate(node.Operand, datum, opt...)
return !result, err
}
case *grammar.BinaryExpression:
switch node.Operator {
case grammar.BinaryOpAnd:
result, err := evaluate(node.Left, datum, opt...)
result, err := Evaluate(node.Left, datum, opt...)
if err != nil || !result {
return result, err
}

return evaluate(node.Right, datum, opt...)
return Evaluate(node.Right, datum, opt...)

case grammar.BinaryOpOr:
result, err := evaluate(node.Left, datum, opt...)
result, err := Evaluate(node.Left, datum, opt...)
if err != nil || result {
return result, err
}

return evaluate(node.Right, datum, opt...)
return Evaluate(node.Right, datum, opt...)
}
case *grammar.MatchExpression:
return evaluateMatchExpression(node, datum, opt...)
Expand Down