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ferret/pkg/runtime/core/errors.go
2018-09-23 04:33:20 -04:00

52 lines
1.4 KiB
Go

package core
import (
"fmt"
"github.com/pkg/errors"
"strings"
)
var (
ErrMissedArgument = errors.New("missed argument")
ErrInvalidArgument = errors.New("invalid argument")
ErrInvalidArgumentNumber = errors.New("invalid argument number")
ErrInvalidType = errors.New("invalid type")
ErrInvalidOperation = errors.New("invalid operation")
ErrNotFound = errors.New("not found")
ErrNotUnique = errors.New("not unique")
ErrTerminated = errors.New("operation is terminated")
ErrUnexpected = errors.New("unexpected error")
ErrTimeout = errors.New("operation timed out")
ErrNotImplemented = errors.New("not implemented")
)
const typeErrorTemplate = "expected %s, but got %s"
func SourceError(src SourceMap, err error) error {
return errors.Errorf("%s: %s", err.Error(), src.String())
}
func TypeError(actual Type, expected ...Type) error {
if len(expected) == 0 {
return Error(ErrInvalidType, actual.String())
}
if len(expected) == 1 {
return Error(ErrInvalidType, fmt.Sprintf(typeErrorTemplate, expected, actual))
}
strs := make([]string, len(expected))
for idx, t := range expected {
strs[idx] = t.String()
}
expectedStr := strings.Join(strs, " or ")
return Error(ErrInvalidType, fmt.Sprintf(typeErrorTemplate, expectedStr, actual))
}
func Error(err error, msg string) error {
return errors.Errorf("%s: %s", err.Error(), msg)
}