Exceptions

Defines the library-wide exception hierarchy and error handling macros. More...

Classes
class	nnl::Exception
	Base exception class for the library specific exceptions. More...
class	nnl::RuntimeError
	Exception thrown for generic runtime errors. More...
class	nnl::ParseError
	Exception thrown for parsing errors. More...
class	nnl::PreconditionError
	Exception thrown when a contract precondition is violated. More...
class	nnl::RangeError
	Exception thrown for out-of-range errors. More...
class	nnl::NarrowError
	Exception thrown for narrowing conversion errors. More...
class	nnl::IOError
	Exception thrown for I/O like operations. More...

Macros
#define	NNL_THROW(object)
	Throws an exception or terminates the program if exceptions are disabled.
#define	NNL_TRY   if (true)
	Expands to a try statement; or a dummy if statement when exceptions are disabled.
#define	NNL_CATCH(type)
	Expands to a catch statement; or a dummy if statement when exceptions are disabled.

Detailed Description

Defines the library-wide exception hierarchy and error handling macros.

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Class Documentation

nnl::Exception

class nnl::Exception

Base exception class for the library specific exceptions.

Inherited by nnl::IOError, nnl::NarrowError, nnl::ParseError, nnl::PreconditionError, nnl::RangeError, and nnl::RuntimeError.

nnl::RuntimeError

class nnl::RuntimeError

Exception thrown for generic runtime errors.

Inherits nnl::Exception.

nnl::ParseError

class nnl::ParseError

Exception thrown for parsing errors.

Inherits nnl::Exception.

nnl::PreconditionError

class nnl::PreconditionError

Exception thrown when a contract precondition is violated.

Note

Used only when the NNL_THROW_ON_CONTRACT_VIOLATION CMake option is enabled. Otherwise, contract violations are fatal.

See also

NNL_EXPECTS

Inherits nnl::Exception.

nnl::RangeError

class nnl::RangeError

Exception thrown for out-of-range errors.

Inherits nnl::Exception.

nnl::NarrowError

class nnl::NarrowError

Exception thrown for narrowing conversion errors.

See also

nnl::utl::data::narrow

Inherits nnl::Exception.

nnl::IOError

class nnl::IOError

Exception thrown for I/O like operations.

See also

nnl::RWBase

Inherits nnl::Exception.

Macro Definition Documentation

NNL_CATCH

#define NNL_CATCH

(

type

)

Value:

else if (type e; false)

Expands to a catch statement; or a dummy if statement when exceptions are disabled.

Parameters

type	The unqualified non-pointer type to catch

NNL_THROW

#define NNL_THROW

(

object

)

Value:

  { nnl::Panic(object.what()); }

Throws an exception or terminates the program if exceptions are disabled.

Parameters

object

The exception object to be thrown

NNL_TRY

#define NNL_TRY   if (true)

Expands to a try statement; or a dummy if statement when exceptions are disabled.