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/* Every class defined here represents a single bit value of a variable.
Every variable will be represented as a vector of these classes which later
will be used for bit-level symbolic execution. */
#include "stddef.h"
#include "expression.h"
bit_expression::bit_expression (value* left, value* right)
{
this->left = left;
this->right = right;
}
value *
bit_expression::get_left ()
{
return left;
}
value *
bit_expression::get_right ()
{
return right;
}
void
bit_expression::set_left (value *expr)
{
left = expr;
}
void
bit_expression::set_right (value *expr)
{
right = expr;
}
size_t
value::get_index () const
{
return index;
}
unsigned char
bit::get_val () const
{
return val;
}
void
bit::set_val (unsigned char new_val)
{
val = new_val;
}
bit_complement_expression::bit_complement_expression (value *right) :
bit_expression (nullptr, right)
{}
value*
symbolic_bit::copy () const
{
return new symbolic_bit (*this);
}
value *
bit::copy () const
{
return new bit (*this);
}
bit_expression::bit_expression (const bit_expression &expr)
{
if (expr.left)
{
left = expr.left->copy ();
}
if (expr.right)
{
right = expr.right->copy ();
}
}
value *
bit_expression::copy () const
{
return new bit_expression (*this);
}
value *
bit_xor_expression::copy () const
{
return bit_expression::copy ();
}
value *
bit_and_expression::copy () const
{
return bit_expression::copy ();
}
value *
bit_or_expression::copy () const
{
return bit_expression::copy ();
}
value *
shift_right_expression::copy () const
{
return bit_expression::copy ();
}
value *
shift_left_expression::copy () const
{
return bit_expression::copy ();
}
value *
add_expression::copy () const
{
return bit_expression::copy ();
}
value *
sub_expression::copy () const
{
return bit_expression::copy ();
}
value *
bit_complement_expression::copy () const
{
return bit_expression::copy ();
}
bit_expression::~bit_expression ()
{
delete left;
left = nullptr;
delete right;
right = nullptr;
}
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