Re: [Boost-users] [Spirit] Building an expression parser with boost.spirit

Subject: Re: [Boost-users] [Spirit] Building an expression parser with boost.spirit
From: Max (loadcom_at_[hidden])
Date: 2008-12-23 22:00:16

Thank you Hartmut.

I've found some simple examples using Google and an 
expression parser, exactly as what I described, which is
built on boost.spirit:

http://idlebox.net/2007/stx-exparser/#subsec_grammar


Best regards
Max


----- Original Message -----
From: Hartmut Kaiser 
To: 
Subject: Re: [Boost-users] [Spirit] Building an expression parser
 with	boost.spirit or any other
Date: 2008-12-23 22:41:43

> There are several parsing tool libs in boost, say spirit and wave,

> pheonix, etc.

> But I am just not quite clear of the relation between each of them.

> I've skimmed through some of the documentation some time ago, but it

> seems to be too tough to me till now.

> 

> My question is, giving the huge power of these libs, is it simple to

> construct an traditional expression parser which accepts formulea like:

> 

> 1+2/3

> sin(0.34)/power(tan(.4),3)

> and so on

> 

> Or, preferably, is there already a sample program like this anywhere?



I'd say, go with Spirit. Examples are for instance in the Spirit

distribution ($BOOST_ROOT/libs/spirit/examples) and here:

http://spirit.sourceforge.net/repository/applications/show_contents.php.




HTH

Regards Hartmut


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