Pointer Logic. More...

#include "pointer_offset_size.h"
#include "arith_tools.h"
#include "byte_operators.h"
#include "c_types.h"
#include "config.h"
#include "invariant.h"
#include "namespace.h"
#include "pointer_expr.h"
#include "simplify_expr.h"
#include "ssa_expr.h"
#include "std_expr.h"

Include dependency graph for pointer_offset_size.cpp:

Go to the source code of this file.

Functions
std::optional< mp_integer >	member_offset (const struct_typet &type, const irep_idt &member, const namespacet &ns)

std::optional< mp_integer >	member_offset_bits (const struct_typet &type, const irep_idt &member, const namespacet &ns)

std::optional< mp_integer >	pointer_offset_size (const typet &type, const namespacet &ns)
	Compute the size of a type in bytes, rounding up to full bytes.

std::optional< mp_integer >	pointer_offset_bits (const typet &type, const namespacet &ns)

std::optional< exprt >	member_offset_expr (const member_exprt &member_expr, const namespacet &ns)

std::optional< exprt >	member_offset_expr (const struct_typet &type, const irep_idt &member, const namespacet &ns)

std::optional< exprt >	size_of_expr (const typet &type, const namespacet &ns)

std::optional< mp_integer >	compute_pointer_offset (const exprt &expr, const namespacet &ns)

std::optional< exprt >	get_subexpression_at_offset (const exprt &expr, const mp_integer &offset_bytes, const typet &target_type_raw, const namespacet &ns)

static bool	is_multiplication_by_constant (const exprt &expr)

std::optional< exprt >	get_subexpression_at_offset (const exprt &expr, const exprt &offset, const typet &target_type, const namespacet &ns)

Detailed Description

Pointer Logic.

Definition in file pointer_offset_size.cpp.

Function Documentation

◆ compute_pointer_offset()

std::optional< mp_integer > compute_pointer_offset	(	const exprt &	expr,
		const namespacet &	ns
	)

Definition at line 501 of file pointer_offset_size.cpp.

◆ get_subexpression_at_offset() [1/2]

std::optional< exprt > get_subexpression_at_offset	(	const exprt &	expr,
		const exprt &	offset,
		const typet &	target_type,
		const namespacet &	ns
	)

Definition at line 696 of file pointer_offset_size.cpp.

◆ get_subexpression_at_offset() [2/2]

std::optional< exprt > get_subexpression_at_offset	(	const exprt &	expr,
		const mp_integer &	offset_bytes,
		const typet &	target_type_raw,
		const namespacet &	ns
	)

Definition at line 565 of file pointer_offset_size.cpp.

◆ is_multiplication_by_constant()

static bool is_multiplication_by_constant ( const exprt & expr )

static

Definition at line 686 of file pointer_offset_size.cpp.

◆ member_offset()

std::optional< mp_integer > member_offset	(	const struct_typet &	type,
		const irep_idt &	member,
		const namespacet &	ns
	)

Definition at line 25 of file pointer_offset_size.cpp.

◆ member_offset_bits()

std::optional< mp_integer > member_offset_bits	(	const struct_typet &	type,
		const irep_idt &	member,
		const namespacet &	ns
	)

Definition at line 66 of file pointer_offset_size.cpp.

◆ member_offset_expr() [1/2]

std::optional< exprt > member_offset_expr	(	const member_exprt &	member_expr,
		const namespacet &	ns
	)

Definition at line 222 of file pointer_offset_size.cpp.

◆ member_offset_expr() [2/2]

std::optional< exprt > member_offset_expr	(	const struct_typet &	type,
		const irep_idt &	member,
		const namespacet &	ns
	)

Definition at line 241 of file pointer_offset_size.cpp.

◆ pointer_offset_bits()

std::optional< mp_integer > pointer_offset_bits	(	const typet &	type,
		const namespacet &	ns
	)

Definition at line 102 of file pointer_offset_size.cpp.

◆ pointer_offset_size()

std::optional< mp_integer > pointer_offset_size	(	const typet &	type,
		const namespacet &	ns
	)

Compute the size of a type in bytes, rounding up to full bytes.

Definition at line 91 of file pointer_offset_size.cpp.

◆ size_of_expr()

std::optional< exprt > size_of_expr	(	const typet &	type,
		const namespacet &	ns
	)

Definition at line 287 of file pointer_offset_size.cpp.

Functions