Wireshark-dev: Re: [Wireshark-dev] The "war against warnings" - mission accomplished!

From: "Luis Ontanon" <luis.ontanon@xxxxxxxxx>
Date: Tue, 3 Apr 2007 20:56:50 +0200

On 4/3/07, Luis Ontanon <luis.ontanon@xxxxxxxxx> wrote:

I do not think other lex than flex would actually work with all our lexers.

Few minutes later, Luis Ontanon <luis.ontanon@xxxxxxxxx> writes:

Now I'm sure they won't:
from http://www.gnu.org/software/flex/manual/html_chapter/flex_20.html

The following flex features are not included in lex or the POSIX specification:

C++ scanners
%option <=== THIS
start condition scopes
start condition stacks <==== THIS
interactive/non-interactive scanners
yy_scan_string() and friends <==== THIS
yyterminate() <==== THIS
yy_set_interactive()
yy_set_bol()
YY_AT_BOL()
<<EOF>> <==== THIS
<*>
YY_DECL
YY_START
YY_USER_ACTION
YY_USER_INIT
#line directives
%{}'s around actions
multiple actions on a line


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