22 Jun
2015
22 Jun
'15
1:27 p.m.
The problem is, that in syntax there are often many symbols that are no
longer needed once the string is parsed so I want to get rid of them.
For example imagine a string representation of an JSON array:
'[ 1, 2, 3 ]'
Once the string is parsed, the brackets are no longer needed so I can get
rid of them with a block
MyJsonParser>>array
^ ($[ asParser, arrayElements, $] asParser) ==> [ :nodes | nodes second
]
This way the result of the array will not contain those $[ $] symbols
because I am not interested in them after the parsing.
So, I would prefer to explicitly state that I am not interested in certain
parser after it has done its job.
MyJsonParser>>array
^ $[ asParser ignore, arrayElements, $] asParser ignore
(or the other alternative mentioned in the first post)
Is what I am trying to accomplish clearer?
Peter