flex lexer - lex : How to override YY_BUF_SIZE -


according manual yy_buf_size 16k , need override it. however, manual not specify how override it, nor find command line option this. can please indicate how change this. in generated source yy_buf_size defined follows:

#ifndef yy_buf_size #define yy_buf_size 16384 #endif

so there may way override before this.

in own code, #define yy_buf_size whatever value want. long compile code compiler sees definition first, #ifndef guard prevent default value being set.


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