LRStar: LR(*) parser generator 9.0 released 2018-03-20.

pbm@lrtec.com
Tue, 20 Mar 2018 11:16:31 -0700 (PDT)

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LRStar: LR(*) parser generator 9.0 released 2018-03-20. pbm@lrtec.com (2018-03-20)
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From: pbm@lrtec.com
Newsgroups: comp.compilers
Date: Tue, 20 Mar 2018 11:16:31 -0700 (PDT)
Organization: Compilers Central
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Keywords: parse, tools
Posted-Date: 20 Mar 2018 15:19:02 EDT

New release LRStar 9.0 is now available at:
https://sourceforge.net/projects/lrstar/


It runs on Windows and generates C++ code.
It works well with Microsoft Visual Studio C++.
It contains 6 working projects for MSVS.


It reads a modern powerful grammar notation but
also reads Yacc/Bison grammars if the code is
removed from the rules and token declarations
are redone.


See the C99 project whose grammar was originally
a Yacc grammar.


LRStar is simpler and easier to use now, but
still offers the power and productivity of
past versions.


The generated LR(*) parsers do lexing, parsing,
building a symbol table, creating an abstract-
syntax tree, and traversing of the AST.


LR(*) parsers are minimal LR(1) parsers with
extra information that allows nondeterministic
LR(k) parsing, if necessary. K can be set to
2, 3, 4, 5 ... by the user as a program option.


Comments and feedback from users would be
appreciated.


Paul B Mann
2018-03-20

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