Method parseFilter

parser.go:499–522

(node ASTNode)

	return indexExpr, nil
}
func (p *Parser) parseFilter(node ASTNode) (ASTNode, error) {
	var right, condition ASTNode
	var err error
	condition, err = p.parseExpression(0)
	if err != nil {
		return ASTNode{}, err
	}
	if err := p.match(tRbracket); err != nil {
		return ASTNode{}, err
	}
	if p.current() == tFlatten {
		right = ASTNode{nodeType: ASTIdentity}
	} else {
		right, err = p.parseProjectionRHS(bindingPowers[tFilter])
		if err != nil {
			return ASTNode{}, err
		}
	}

	return ASTNode{
		nodeType: ASTFilterProjection,
		children: []ASTNode{node, right, condition},
	}, nil
}

func (p *Parser) parseDotRHS(bindingPower int) (ASTNode, error) {
	lookahead := p.current()