Method parseSliceExpression

parser.go:182–210

()

}

func (p *Parser) parseSliceExpression() (ASTNode, error) {
	parts := []*int{nil, nil, nil}
	index := 0
	current := p.current()
	for current != tRbracket && index < 3 {
		if current == tColon {
			index++
			p.advance()
		} else if current == tNumber {
			parsedInt, err := strconv.Atoi(p.lookaheadToken(0).value)
			if err != nil {
				return ASTNode{}, err
			}
			parts[index] = &parsedInt
			p.advance()
		} else {
			return ASTNode{}, p.syntaxError(
				"Expected tColon or tNumber" + ", received: " + p.current().String())
		}
		current = p.current()
	}
	if err := p.match(tRbracket); err != nil {
		return ASTNode{}, err
	}
	return ASTNode{
		nodeType: ASTSlice,
		value:    parts,
	}, nil
}

func (p *Parser) match(tokenType tokType) error {
	if p.current() == tokenType {