func (p *parser) takePragma() Pragma {
	prag := p.pragma
	p.pragma = nil
	return prag
}

// clearPragma is called at the end of a statement or
// other Go form that does NOT accept a pragma.
// It sends the pragma back to the pragma handler
// to be reported as unused.
func (p *parser) clearPragma() {
	if p.pragma != nil {
		p.pragh(p.pos(), p.scanner.blank, "", p.pragma)
		p.pragma = nil
	}
}