Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!usc!samsung!emory!stiatl!stbimbo!ges
From: ges@stbimbo.UUCP (Gerald Sullivan)
Newsgroups: comp.windows.ms.programmer
Subject: Re: MS Windows compatible YACC and LEX
Keywords: YACC, LEX
Message-ID: <262@stbimbo.UUCP>
Date: 7 Dec 90 14:49:40 GMT
References: <256@stbimbo.UUCP> <28630@usc>
Reply-To: ges@stbimbo (Gerald Sullivan)
Organization: Sales Technologies Inc.  Atlanta, Ga.
Lines: 45

In article <28630@usc> papa@pollux.usc.edu (Marco Papa) writes:
>In article <256@stbimbo.UUCP> ges@stbimbo.UUCP (Gerald Sullivan) writes:
>>Is anyone out there aware of yacc and lex clones that produce
>>MS Windows compatible code. In other words I am looking for
>>yacc and lex that produce code that can be linked to Windows
>>applications. I would be happy to hear about any other parser
>>generators that produce Windows compatible code.
>
>Lex and Yacc have really nothing to do with Windows, so your question should be
>something like "is there a lex/yacc package that works with compilers that can
>be used to build Windows applications?".  The answer is yes. I'm building such
>an application. I'm using MKS Lex/Yacc.  You can get a good deal on the 
>package from either Programmer's Paradise of Programmer's Shop.  Discounted
>price is around $200.  I'm fully satisfied with this product.
>
>-- Marco

No, my question is exactly what I asked. Sorry if it was not clear.

Are you linking the parser to your Windows application or just executing
the parser from a Windows application as a DOS "process"? I need to do
the former.

It is my understanding that just
because somthing compiles with MS C does not imply that it will work run
under Windows as part of a Windows application. In other words, y.tab.c 
(the parser source code generated by yacc) produced by MKS yacc may do 
things acceptable under DOS but not Windows (ie segment arithmatic,
requiring incompatible libraries, etc).  I may be mistaken, I am new to 
Windows  and DOS but have used yacc and lex extensively.

I want to call yyparse() from a Windows application. Note that it is
not enough to be able to run the parser as a DOS "process" because I need
access to data structures built as a side effect of the parsing process.
I don't think it is possible to pass data structures to a Windows application
from a DOS "process" spawned by the application. I may be wrong.

I am aware of MKS yacc and lex. According to MKS, the output of MKS yacc
is indeed incompatible with Windows. They did not say why. They said that
the parser produced by MKS yacc cannot be linked to a Windows application.
They said it will run as a DOS application under Windows. Unfortunately,
that is not what I need. The MKS person suggested I chek back in 6 months.

Thanks,
Jerry Sullivan