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msg_translator.go
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43 lines (34 loc) · 883 Bytes
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package main
import (
"fmt"
"github.com/sirkon/message"
)
//go:generate ldetool generate --package main msg_translator_rules.lde
// ErrorTranslator translates gocc error messages in human readable form
type ErrorTranslator struct {
o *Orig
}
// NewErrorTranslator ...
func NewErrorTranslator() *ErrorTranslator {
return &ErrorTranslator{
o: &Orig{},
}
}
func (et *ErrorTranslator) translate(err error) string {
var ok bool
var errParsing error
data := []byte(err.Error())
defer func() {
if errParsing != nil {
message.Warning(errParsing)
}
}()
if ok, errParsing = et.o.Extract(data); ok {
return fmt.Sprintf("%d:%d: %s", et.o.Line, et.o.Column, string(et.o.Message))
}
return err.Error()
}
// Translate translates an error into human readable form
func (et *ErrorTranslator) Translate(err error) error {
return fmt.Errorf("%s", et.translate(err))
}