func RangedForFactory(p *core.Parser) (core.Code, error) {
code := &RangedForCode{NormalContainer: new(core.NormalContainer)}
tokens, err := p.ReadTokenList()
if err != nil {
return nil, err
}
if len(tokens) != 2 {
return nil, p.Error("Invalid for loop, ranged loop should have two variables")
}
code.tokens = tokens
c := p.SkipSpaces()
if c == ':' {
c = p.Next()
}
if c != '=' {
return nil, p.Error("Invalid for loop, ranged loop expecting assignment operator")
}
p.Next()
if p.SkipSpaces() != 'r' || p.ConsumeIf([]byte("range")) == false {
return nil, p.Error("invalid for loop, expected 'range' keyword")
}
value, err := p.ReadValue()
if err != nil {
return nil, err
}
code.value = value
if p.SkipSpaces() != '{' {
return nil, p.Error("Missing openening brace for if statement")
}
p.Next()
return code, nil
}