Function parseExpression

pkg/search/expr.go:327–359

(ctx context.Context, exp string)

}

func parseExpression(ctx context.Context, exp string) (*SearchQuery, error) {
	base := &Constraint{
		Permanode: &PermanodeConstraint{
			SkipHidden: true,
		},
	}
	sq := &SearchQuery{
		Constraint: base,
	}

	exp = strings.TrimSpace(exp)
	if exp == "" {
		return sq, nil
	}
	p := newParser(ctx, exp)

	c, err := p.parseExp()
	if err != nil {
		return nil, err
	}
	lastToken := p.next()
	if lastToken.typ != tokenEOF {
		switch lastToken.typ {
		case tokenClose:
			return nil, newParseExpError(noMatchingOpening, *lastToken)
		}
		return nil, newParseExpError(trailingTokens, *lastToken)
	}
	if c != nil {
		sq.Constraint = andConst(base, c)
	}
	return sq, nil
}