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spot::ltl::default_environment Class Reference

A laxist environment. More...

#include <ltlenv/defaultenv.hh>

Inheritance diagram for spot::ltl::default_environment:
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Collaboration diagram for spot::ltl::default_environment:
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Public Member Functions

virtual const formularequire (const std::string &prop_str)
 Obtain the formula associated to prop_str. More...
 
virtual const std::string & name ()
 Get the name of the environment. More...
 

Static Public Member Functions

static default_environmentinstance ()
 Get the sole instance of spot::ltl::default_environment. More...
 

Detailed Description

A laxist environment.

This environment recognizes all atomic propositions.

This is a singleton. Use default_environment::instance() to obtain the instance.

Member Function Documentation

static default_environment& spot::ltl::default_environment::instance ( )
static

Get the sole instance of spot::ltl::default_environment.

virtual const std::string& spot::ltl::default_environment::name ( )
virtual

Get the name of the environment.

Implements spot::ltl::environment.

virtual const formula* spot::ltl::default_environment::require ( const std::string &  prop_str)
virtual

Obtain the formula associated to prop_str.

Usually prop_str, is the name of an atomic proposition, and spot::ltl::require simply returns the associated spot::ltl::atomic_prop.

Note this is not a const method. Some environments will "create" the atomic proposition when requested.

We return a spot::ltl::formula instead of an spot::ltl::atomic_prop, because this will allow nifty tricks (e.g., we could name formulae in an environment, and let the parser build a larger tree from these).

Returns
0 iff prop_str is not part of the environment, or the associated spot::ltl::formula otherwise.

Implements spot::ltl::environment.


The documentation for this class was generated from the following file:

Please direct any question, comment, or bug report to the Spot mailing list at spot@lrde.epita.fr.
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