/*
Formats an error message nicely, giving the relish source file location of the error if possible.
*/
func FmtErr(pos token.Position, message string) string {
if pos.Filename != "" || pos.IsValid() {
// don't print "<unknown position>"
// TODO(gri) reconsider the semantics of Position.IsValid
fileNamePosString := pos.String()
srcPos := strings.LastIndex(fileNamePosString, "/src/")
artifactDir := fileNamePosString[:srcPos+5]
packageFilePos := fileNamePosString[srcPos+5:]
return "\n" + packageFilePos + ":\n\n" + message + "\n\nError in software artifact\n" + artifactDir + "\n"
}
return message
}
