Compilers - Visual BNF new version released

Author

Visual BNF new version released

AdamS

2007-11-15, 7:58 pm

Visual BNF 1.0 is now available as a free tool. It is an LALR(1)
Lexer and Parser Generator with possibility to fly-by tests of newly
created grammars. Visual BNF runs under .Microsoft(r) .NET 2.0.

It can generate parsers and lexers into .NET assembly, so any .NET
compatible language may use generated parse tables within generated
assembly and use ParserEngine to parse newly created grammars.

It creates Minimal LALR(1) states.

The generated lexers and parsers are very fast and process input in
time linear with the size of the input.

Download free Visual BNF tool here:

http://www.intralogic.eu/VisualBNF.zip

Support may be available.

Intralogic Corp.
http://www.intralogic.eu

Paul B Mann

2007-11-16, 10:13 pm

> It creates Minimal LALR(1) states.

What is Minimal LALR(1) ?

I have never heard of this or a Maximal LALR(1).

I thought Minimal only pertained to LR(1) and using
Pager's algorithm to accomplish it.

> The generated lexers and parsers are very fast and process input in
> time linear with the size of the input.

Have you done any testing of the speed? Any benchmark results?

Paul B Mann

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