[antlr-interest] ANTLR gives segmentation fault for very large input

Piyush piyush.besu at gmail.com
Thu Jul 21 08:17:50 PDT 2011


Is there is any way to delete AST (Abstract Syntax Tree) because it is
of no use for my work.

On Tue, Jul 19, 2011 at 9:08 PM, Jim Idle [via ANTLR]
<ml-node+6599207-454424018-346774 at n2.nabble.com> wrote:
> You are running out of memory - split up the input in some sensible way.
>
> Jim
>
>> -----Original Message-----
>> From: [hidden email] [mailto:antlr-interest-
>> [hidden email]] On Behalf Of Piyush
>> Sent: Tuesday, July 19, 2011 1:51 AM
>> To: [hidden email]
>> Subject: [antlr-interest] ANTLR gives segmentation fault for very large
>> input
>>
>> Sir when i am trying to parse a very big input file (of nearly
>> 4500000 lines) ANTLR is giving segmentation fault.
>>
>>  Just for example my grammar funny.g is parsing input file input.v(of
>> near about 45 lines) but gives segmentation fault for
>> big_file_input.v(of about 4500000 lines) ,which also contains the same
>> input as of input.v 100000 times
>>
>> I am attaching my grammar (funny.g and input files) below.
>>
>> So please help me out where i am doing wrong or this is antlr's bug?
>>
>>
>> Thanking You
>> Piyush http://antlr.1301665.n2.nabble.com/file/n6598011/fun.tar fun.tar
>>
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Cheers!
Piyush
Bengal Engineering & Science University
Computer Science and Technology


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