Re: s-line-prefix(n,c) in Spec 1.2

Sorry for my delayed reply.
I think I understand better now!

c = block-out =>
s-block-line-prefix(n)<http://www.yaml.org/spec/1.2/spec.html#s-block-line-prefix(n)>

just means when it comes to a block-out, c is s-block-line-prefix(n), and
parameter c is just a part of production name.
Is my comprehension correct ?

Thank you!


On Sat, Jul 20, 2013 at 2:07 AM, Oren Ben-Kiki <[email protected]> wrote:

> Look for example at production 178.
> Basically instead of having 4 different productions
> s-line-prefix-when-block-in, s-line-prefix-when-block-out,
> s-line-prefix-when-flow-in, s-line-prefix-when-flow-out we have a single
> production with a parameter.
> When the parameter is "n" we write one production instead of an infinite
> number (production-when-n-is-0, production-when-n-is-1, ...).
>
>
> On Fri, Jul 19, 2013 at 4:39 AM, Jianjun Mao <[email protected]> wrote:
>
>> Hi all,
>>
>> I'm going to write my own parser for YAML.
>> But now I can't understand the following production.
>> What does this mean?  c = block-out => s-block-line-prefix(n)<http://www.yaml.org/spec/1.2/spec.html#s-block-line-prefix(n)> and
>> what are "block-out" and "block-in" ?
>> Can anyone explain this clearly to me?
>>
>> [67]s-line-prefix(n,c) ::=c = block-out => s-block-line-prefix(n)<http://www.yaml.org/spec/1.2/spec.html#s-block-line-prefix(n)>
>> c = block-in  => s-block-line-prefix(n)<http://www.yaml.org/spec/1.2/spec.html#s-block-line-prefix(n)>
>> c = flow-out  => s-flow-line-prefix(n)<http://www.yaml.org/spec/1.2/spec.html#s-flow-line-prefix(n)>
>> c = flow-in   => s-flow-line-prefix(n)<http://www.yaml.org/spec/1.2/spec.html#s-flow-line-prefix(n)>
>> Thanks.
>> Jinjun
>>
>>
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