The way javacc works is that it needs to "understand" everything in the input, so that leaves 2 choices:
- define in some way the random content, with some switch or other to identify the beginning of the known content, often by defining a token to indicate the start of the part you want to keep, and switching lexical states when it's found, and back when it's done, and another token ~[] to soak up the rest one character at a time.
- use some other method to extract the known part and hand it off alone to a javacc parser that only needs to understand that.
On Tue, Jun 30, 2009 at 4:00 AM, ligett
<ligett@...> wrote:
Good morning!
I'm just a novice in javacc struggling to get some simple stuff running:
I have a file going like that:
...upper random content...
known-content1
...random content...
known-content2
known-content3
(the known-content1,2,3 are optional)
When I define the syntax for "known-content1", it says that "upper random
content" is not identified. Also
What I ultimately want to do is to get javacc only parse the _known
content_, the one it recognizes. I want it to ignore the rest of content
whatever it is.
Could you please tell how that thing is done?
Best Regards!
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- J.Chris Findlay
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