directive_base Struct Reference

template struct directive_base is a base for specializations of template struct directive<Type> More...

#include <directive.h>

Inheritance diagram for directive_base:

Static Public Member Functions
static line_type	eval (std::string keyword, chewer< parse_buffer > &chew)
	Evaluate a directive. More...
static void	erase_all ()
	Forget all directives table used by the operative command.

Static Protected Member Functions
static void	report (std::string const &keyword, std::string const &arg)
	Report a directive. More...
static void	report (bool seen, std::string const &keyword, std::string const &arg)
	Report a directive. More...
static line_type	eval (directive_type type, chewer< parse_buffer > &chew)
	Evaluate a directive. More...
static line_type	eval_ifdef_or_ifndef (directive_type type, chewer< parse_buffer > &chew)
	Evaluate an #ifdef or #ifndef directive. More...

Private Types
using	evaluator = line_type(*)(chewer< parse_buffer > &)
	Type of evaluation functions applied to directive bodies.

Static Private Member Functions
static directive_type	get_type (std::string const &keyword)
	Get the directive_type of a directive given a keyword.

Static Private Attributes
static std::map< std::string, directive_type >	_keyword_to_type_map_
	Map from keywords to directive types.
static std::vector< evaluator >	_evaluator_tab_
	Table of evaluation functions for directive types, indexed by directive_type.

Detailed Description

template struct directive_base is a base for specializations of template struct directive<Type>

Definition at line 54 of file directive.h.

Member Function Documentation

static line_type directive_base::eval ( std::string  keyword, chewer< parse_buffer > &  chew  )

inlinestatic

Evaluate a directive.

Parameters

keyword	The keyword indicating the directive type.
chew	On entry, a chewer<parse_buffer> positioned to the offset in the associated parse_buffer from which to to scan. On return receives chew is positioned to the first offset not consumed.

Returns

A line_type determined by evaluation denoting the action to be taken on this line.

Definition at line 65 of file directive.h.

static line_type directive_base::eval ( directive_type  type, chewer< parse_buffer > &  chew  )

staticprotected

Evaluate a directive.

Parameters

type	The directive_type of the directive.
chew	On entry, a chewer<parse_buffer> positioned to the offset in the associated parse_buffer from which to scan. On return chew is positioned to the first offset not consumed.

Returns

A line_type determined by evaluation.

static line_type directive_base::eval_ifdef_or_ifndef ( directive_type  type, chewer< parse_buffer > &  chew  )

staticprotected

Evaluate an #ifdef or #ifndef directive.

Parameters

type	The directive_type of the directive.
chew	On entry, a chewer<parse_buffer> positioned to the offset in the associated parse_buffer from which to scan. On return chew is positioned to the first offset not consumed.

Returns

A line_type determined by evaluation.

static void directive_base::report ( std::string const &  keyword, std::string const &  arg  )

staticprotected

Report a directive.

Parameters

keyword	The keyword indicating the directive type.
arg	The body of the directive.

static void directive_base::report ( bool  seen, std::string const &  keyword, std::string const &  arg  )

staticprotected

Report a directive.

Parameters

seen	Has this directive already been seen?
keyword	The keyword indicating the directive type.
arg	The body of the directive.

The member function reports the directive if it has not already been seen or if option --once-only is not in effect.

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

• directive.h