// errorf stops the ec.eval immediately by panicking with a diagnostic message.
// The panic is supposed to be caught by ec.eval.
func (ec *evalCtx) errorf(p parse.Pos, format string, args ...interface{}) {
errutil.Throw(errutil.NewContextualError(
fmt.Sprintf("%s (%s)", ec.name, ec.context), "error",
ec.text, int(p), format, args...))
}
// errorf formats the error and terminates processing.
func (p *Parser) errorf(pos int, format string, args ...interface{}) {
p.Root = nil
errutil.Throw(errutil.NewContextualError(p.Name, "parsing error", p.text, pos, format, args...))
}
func (cc *compileCtx) errorf(p parse.Pos, format string, args ...interface{}) {
errutil.Throw(errutil.NewContextualError(cc.name, "static error", cc.text, int(p), format, args...))
}
func (rd *Reader) badEscSeq(msg string) {
errutil.Throw(newBadEscSeq(rd.currentSeq, msg))
}