Re: Statement at a time parsing with yacc

chris@mks.com.ca (Chris Retterath)
Wed, 11 Dec 1991 20:57:35 GMT

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Newsgroups: comp.compilers
From: chris@mks.com.ca (Chris Retterath)
Keywords: yacc, parse, OOP
Organization: Mortice Kern Systems Inc., Waterloo, Ontario, CANADA
References: 91-12-036 91-12-050
Date: Wed, 11 Dec 1991 20:57:35 GMT

Regarding statement at a time parsing with YACC:


Our (commercial) MKS LEX & YACC package, as of release 2.6b, allows C++
code generation. The generated code makes up an object class yy_parse,
with a member function yyparse(). The state of the parser is encapsulated
in class yy_parse.


This means that you can issue a YYRETURN(n), where n is not 0 or 1, to
cause yyparse() to return. If you re-call yyparse(), it continues parsing
from that point on. To start a new parse, call yyreset() first.


Chris Retterath
Mortice Kern Systems Inc
chris@mks.com.ca
--

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