[Boost-bugs] [Boost C++ Libraries] #4133: std::logic_error as a base class for program_options::error

Subject: [Boost-bugs] [Boost C++ Libraries] #4133: std::logic_error as a base class for program_options::error
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-04-21 13:15:21

#4133: std::logic_error as a base class for program_options::error
--------------------------+-------------------------------------------------
 Reporter:  anonymous     |       Owner:  vladimir_prus  
     Type:  Bugs          |      Status:  new            
Milestone:  Boost 1.43.0  |   Component:  program_options
  Version:  Boost 1.42.0  |    Severity:  Problem        
 Keywords:                |  
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 "19.1 Exception classes

 1 The Standard C  +  + library provides classes to be used to report
 certain errors (17.4.4.8) in C  +  + programs. In
 the error model reflected in these classes, errors are divided into two
 broad categories: logic errors and
 runtime errors.

 2 The distinguishing characteristic of logic errors is that they are due
 to errors in the internal logic of the pro-
 gram. In theory, they are preventable.

 3 By contrast, runtime errors are due to events beyond the scope of the
 program. They cannot be easily pre-
 dicted in advance. The header <stdexcept> defines several types of
 predefined exceptions for reporting
 errors in a C  +  + program. These exceptions are related by inheritance."

 From what POV po::unknown_option is 'due to errors in the internal logic
 of the program'? All po:: errors should be separated into two groups
 (runtime and logic) or std::exception should be used as a base class.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/4133>
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