🚀 go-pugleaf

 >   Where can I procure this parser generator for Modula-2? North American 
 >source prefered. Leave a phone number, as well as the rest of the stuff.

It's not clear what you're asking for.  There are three parts to this.  To  
build a compiler, you need a lexical analyzer (LEX, FLEX, or the like) a  
compiler generator (YACC or Bison, most likely) and the source file that  
contains the grammar.  (I captured the file with the grammar in it, but I  
understand there are errors.)

Since YACC (or Bison, which is a YACC clone) is an old Unix utility and since  
it generates C source for the compilers, the first places I looked were the  
usual places I look when I'm trying to find C programs.

The Austin Code Works has them ($35 for Bison and BYACC, $25 for FLEX) as does  
a place called Networks ($30 for Bison, $15 for Flex) at 80-47 88 Road,  
Woodhaven, NY 11421 (201) 206-0320.  They're also available from the C User's  
Group (2601 Iowa St., Lawrence, KS 66046; 913-841-1631) Bison for MS-DOS is on 
disk 285 and FLEX is on disk 290.  Both are available for $8 each (to  
nonmembers.  $5 for members, but who's going to admit to being a member of  
the C User's Group on the Modula-2 echo/newsgroup?)

The programs are also available on just about any large files BBS.  I  
downloaded my copies locally, but I can't remember just where.  (It was either  
the Phoenix 614-863-9611 or it was Utilities Exchange 614-442-6696.  Neither  
of these BBSes are part of FidoNet.) 



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