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/** \file function.h
Prototypes for functions for storing and retrieving function
information. These functions also take care of autoloading
functions in the $fish_function_path. Actual function evaluation
is taken care of by the parser and to some degree the builtin
handling library.
*/
#ifndef FISH_FUNCTION_H
#define FISH_FUNCTION_H
#include <wchar.h>
#include "util.h"
/**
Structure describing a function
*/
typedef struct function_data
{
wchar_t *name;
wchar_t *description;
wchar_t *definition;
array_list_t *events;
array_list_t *named_arguments;
int shadows;
}
function_data_t;
/**
Initialize function data
*/
void function_init();
/**
Destroy function data
*/
void function_destroy();
/**
Add an function. The parameters values are copied and should be
freed by the caller.
*/
void function_add( function_data_t *data );
/**
Remove the function with the specified name.
*/
void function_remove( const wchar_t *name );
/**
Returns the definition of the function with the name \c name.
*/
const wchar_t *function_get_definition( const wchar_t *name );
/**
Returns the description of the function with the name \c name.
*/
const wchar_t *function_get_desc( const wchar_t *name );
/**
Sets the description of the function with the name \c name.
*/
void function_set_desc( const wchar_t *name, const wchar_t *desc );
/**
Returns true if the function with the name name exists.
*/
int function_exists( const wchar_t *name );
/**
Insert all function names into l. These are not copies of the
strings and should not be freed after use.
\param list the list to add the names to
\param get_hidden whether to include hidden functions, i.e. ones starting with an underscore
*/
void function_get_names( array_list_t *list,
int get_hidden );
/**
Returns tha absolute path of the file where the specified function
was defined. Returns 0 if the file was defined on the commandline.
This function does not autoload functions, it will only work on
functions that have already been defined.
*/
const wchar_t *function_get_definition_file( const wchar_t *name );
/**
Returns the linenumber where the definition of the specified
function started.
This function does not autoload functions, it will only work on
functions that have already been defined.
*/
int function_get_definition_offset( const wchar_t *name );
/**
Returns a list of all named arguments of the specified function.
*/
array_list_t *function_get_named_arguments( const wchar_t *name );
/**
Returns whether this function shadows variables of the underlying function
*/
int function_get_shadows( const wchar_t *name );
#endif
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