remove_function_pointers.cpp File Reference

Program Transformation. More...

#include "remove_function_pointers.h"
#include <util/arith_tools.h>
#include <util/byte_operators.h>
#include <util/c_types.h>
#include <util/fresh_symbol.h>
#include <util/invariant.h>
#include <util/message.h>
#include <util/pointer_expr.h>
#include <util/pointer_offset_size.h>
#include <util/source_location.h>
#include <util/std_code.h>
#include <util/std_expr.h>
#include <util/string_utils.h>
#include <analyses/does_remove_const.h>
#include "compute_called_functions.h"
#include "goto_model.h"
#include "remove_const_function_pointers.h"
#include "remove_skip.h"

Include dependency graph for remove_function_pointers.cpp:

Go to the source code of this file.

Classes
class	remove_function_pointerst

Functions
static bool	arg_is_type_compatible (const typet &call_type, const typet &function_type, const namespacet &ns)
bool	function_is_type_compatible (bool return_value_used, const code_typet &call_type, const code_typet &function_type, const namespacet &ns)
	Returns true iff call_type can be converted to produce a function call of the same type as function_type.
static void	fix_argument_types (code_function_callt &function_call)
static void	fix_return_type (const irep_idt &in_function_id, code_function_callt &function_call, const source_locationt &source_location, symbol_tablet &symbol_table, goto_programt &dest)
static std::string	function_pointer_assertion_comment (const std::unordered_set< symbol_exprt, irep_hash > &candidates)
void	remove_function_pointer (message_handlert &message_handler, symbol_tablet &symbol_table, goto_programt &goto_program, const irep_idt &function_id, goto_programt::targett target, const std::unordered_set< symbol_exprt, irep_hash > &functions)
	Replace a call to a dynamic function at location target in the given goto-program by a case-split over a given set of functions.
void	remove_function_pointers (message_handlert &_message_handler, goto_modelt &goto_model, bool only_remove_const_fps)
bool	has_function_pointers (const goto_programt &goto_program)
bool	has_function_pointers (const goto_functionst &goto_functions)
	returns true iff any of the given goto functions has function calls via a function pointer
bool	has_function_pointers (const goto_modelt &goto_model)
	returns true iff the given goto model has function calls via a function pointer

Detailed Description

Program Transformation.

Definition in file remove_function_pointers.cpp.

Function Documentation

arg_is_type_compatible()

static bool arg_is_type_compatible ( const typet &  call_type, const typet &  function_type, const namespacet &  ns  )

static

Definition at line 102 of file remove_function_pointers.cpp.

fix_argument_types()

static void fix_argument_types ( code_function_callt &  function_call )

static

Definition at line 180 of file remove_function_pointers.cpp.

fix_return_type()

static void fix_return_type ( const irep_idt &  in_function_id, code_function_callt &  function_call, const source_locationt &  source_location, symbol_tablet &  symbol_table, goto_programt &  dest  )

static

Definition at line 205 of file remove_function_pointers.cpp.

function_is_type_compatible()

bool function_is_type_compatible	(	bool	return_value_used,
		const code_typet &	call_type,
		const code_typet &	function_type,
		const namespacet &	ns
	)

Returns true iff call_type can be converted to produce a function call of the same type as function_type.

Definition at line 129 of file remove_function_pointers.cpp.

function_pointer_assertion_comment()

static std::string function_pointer_assertion_comment ( const std::unordered_set< symbol_exprt, irep_hash > &  candidates )

static

Definition at line 347 of file remove_function_pointers.cpp.

has_function_pointers() [1/3]

bool has_function_pointers

(

const goto_functionst &

goto_functions

)

returns true iff any of the given goto functions has function calls via a function pointer

Definition at line 553 of file remove_function_pointers.cpp.

has_function_pointers() [2/3]

bool has_function_pointers

(

const goto_modelt &

goto_model

)

returns true iff the given goto model has function calls via a function pointer

Definition at line 562 of file remove_function_pointers.cpp.

has_function_pointers() [3/3]

bool has_function_pointers

(

const goto_programt &

goto_program

)

Definition at line 540 of file remove_function_pointers.cpp.

remove_function_pointer()

void remove_function_pointer	(	message_handlert &	message_handler,
		symbol_tablet &	symbol_table,
		goto_programt &	goto_program,
		const irep_idt &	function_id,
		goto_programt::targett	target,
		const std::unordered_set< symbol_exprt, irep_hash > &	functions
	)

Replace a call to a dynamic function at location target in the given goto-program by a case-split over a given set of functions.

Parameters

message_handler	Message handler to print warnings
symbol_table	Symbol table
goto_program	The goto program that contains target
function_id	Name of function containing the target
target	location with function call with function pointer
functions	The set of functions to consider

Definition at line 379 of file remove_function_pointers.cpp.

remove_function_pointers()

void remove_function_pointers	(	message_handlert &	_message_handler,
		goto_modelt &	goto_model,
		bool	only_remove_const_fps
	)

Definition at line 526 of file remove_function_pointers.cpp.