void boolbvt::convert_constant(const constant_exprt &expr, bvt &bv)
{
unsigned width=boolbv_width(expr.type());
if(width==0)
return conversion_failed(expr, bv);
bv.resize(width);
const typet &expr_type=expr.type();
if(expr_type.id()==ID_array)
{
unsigned op_width=width/expr.operands().size();
unsigned offset=0;
forall_operands(it, expr)
{
const bvt &tmp=convert_bv(*it);
if(tmp.size()!=op_width)
throw "convert_constant: unexpected operand width";
for(unsigned j=0; j<op_width; j++)
bv[offset+j]=tmp[j];
offset+=op_width;
}
return;
}
std::string expr2javat::convert_constant(
const constant_exprt &src,
unsigned &precedence)
{
if(src.type().id()==ID_bool)
{
// Java has built-in Boolean constants, in contrast to C
if(src.is_true())
return "true";
else if(src.is_false())
return "false";
}
else if(src.type().id()==ID_pointer)
{
// Java writes 'null' for the null reference
if(src.is_zero())
return "null";
}
else if(src.type()==java_char_type())
{
std::string dest;
dest.reserve(10);
mp_integer int_value;
to_integer(src, int_value);
dest+='\'';
if(int_value>=' ' && int_value<127)
dest+=(char)(int_value.to_long());
else
{
std::string hex=integer2string(int_value, 16);
while(hex.size()<4) hex='0'+hex;
dest+='\\';
dest+='u';
dest+=hex;
}
dest+='\'';
return dest;
}
else if(src.type()==java_long_type())
{
// long integer literals must have 'L' at the end
mp_integer int_value;
to_integer(src, int_value);
std::string dest=integer2string(int_value);
dest+='L';
return dest;
}
return expr2ct::convert_constant(src, precedence);
}
std::string expr2javat::convert_constant(
const constant_exprt &src,
unsigned &precedence)
{
if(src.type().id()==ID_bool)
{
// C++ has built-in Boolean constants, in contrast to C
if(src.is_true())
return "true";
else if(src.is_false())
return "false";
}
return expr2ct::convert_constant(src, precedence);
}
void fixedbvt::from_expr(const constant_exprt &expr)
{
spec=to_fixedbv_type(expr.type());
v=binary2integer(id2string(expr.get_value()), true);
}
void ieee_floatt::from_expr(const constant_exprt &expr)
{
spec=ieee_float_spect(to_floatbv_type(expr.type()));
unpack(binary2integer(id2string(expr.get_value()), false));
}
