Method Process

cmd/grv/expression_processor.go:37–59

Process performs type conversion and validates the expression

()

// Process performs type conversion and validates the expression
func (expressionProcessor *ExpressionProcessor) Process() (expression Expression, errors []error) {
	if logicalExpression, ok := expressionProcessor.expression.(LogicalExpression); ok {
		log.Debugf("Performing type conversion on expression comparisons")
		if errors = logicalExpression.ConvertTypes(expressionProcessor.fieldTypeDescriptor); len(errors) > 0 {
			log.Debugf("ConvertTypes returned errors")
			return
		}

		log.Debugf("Performing expression validation")
		if errors = logicalExpression.Validate(expressionProcessor.fieldTypeDescriptor); len(errors) > 0 {
			log.Debugf("Expression is not valid")
			return
		}

		log.Debugf("Finished processing expression")
		expression = logicalExpression
	} else {
		errors = append(errors, fmt.Errorf("Expected logical expression but received expression of type %v",
			reflect.TypeOf(expressionProcessor.expression).Elem().Name()))
	}

	return
}

type binaryOperatorPosition int