22#include <unordered_set>
42 if(operands.size()<=2)
48 exprt previous=operands.front();
51 for(exprt::operandst::const_iterator
52 it=++operands.begin();
60 tmp.operands().resize(2);
112 const std::function<
bool(
const exprt &)> &
pred)
126 const std::function<
bool(
const typet &)> &
pred,
129 std::vector<std::reference_wrapper<const typet>> stack;
130 std::unordered_set<typet, irep_hash> visited;
133 if(visited.insert(t).second)
134 stack.emplace_back(t);
138 while(!stack.empty())
140 const typet &top = stack.back().
get();
169 type, [&](
const typet &subtype) {
return subtype.
id() ==
id; }, ns);
213 if(!
is_constant(index->array()) || !index->index().is_constant())
242 be->get_bits_per_byte();
265 return lower_bound >= 0 && lower_bound <= upper_bound &&
273 return is_constant(e);
API to expression classes for bitvectors.
Expression classes for byte-level operators.
const c_enum_tag_typet & to_c_enum_tag_type(const typet &type)
Cast a typet to a c_enum_tag_typet.
const union_tag_typet & to_union_tag_type(const typet &type)
Cast a typet to a union_tag_typet.
virtual void clear()
Reset the abstract state.
ait supplies three of the four components needed: an abstract interpreter (in this case handling func...
A base class for relations, i.e., binary predicates whose two operands have the same type.
virtual bool is_constant_address_of(const exprt &) const
this function determines which reference-typed expressions are constant
virtual bool is_constant(const exprt &) const
This function determines what expressions are to be propagated as "constants".
A constant literal expression.
Operator to dereference a pointer.
dstringt has one field, an unsigned integer no which is an index into a static table of strings.
Base class for all expressions.
std::vector< exprt > operandst
bool is_true() const
Return whether the expression is a constant representing true.
depth_iteratort depth_end()
depth_iteratort depth_begin()
bool is_false() const
Return whether the expression is a constant representing false.
typet & type()
Return the type of the expression.
const source_locationt & source_location() const
The Boolean constant false.
The trinary if-then-else operator.
const irep_idt & get(const irep_idt &name) const
const irep_idt & id() const
const union_typet & follow_tag(const union_tag_typet &) const
Follow type tag of union type.
A namespacet is essentially one or two symbol tables bound together, to allow for symbol lookups in t...
The Boolean constant true.
The type of an expression, extends irept.
Forward depth-first search iterators These iterators' copy operations are expensive,...
constant_exprt make_boolean_expr(bool value)
returns true_exprt if given true and false_exprt otherwise
exprt is_not_zero(const exprt &src, const namespacet &ns)
converts a scalar/float expression to C/C++ Booleans
const exprt & skip_typecast(const exprt &expr)
find the expression nested inside typecasts, if any
bool is_assignable(const exprt &expr)
Returns true iff the argument is one of the following:
exprt make_binary(const exprt &expr)
splits an expression with >=3 operands into nested binary expressions
bool has_subexpr(const exprt &expr, const std::function< bool(const exprt &)> &pred)
returns true if the expression has a subexpression that satisfies pred
if_exprt lift_if(const exprt &src, std::size_t operand_number)
lift up an if_exprt one level
exprt make_and(exprt a, exprt b)
Conjunction of two expressions.
exprt boolean_negate(const exprt &src)
negate a Boolean expression, possibly removing a not_exprt, and swapping false and true
bool has_subtype(const typet &type, const std::function< bool(const typet &)> &pred, const namespacet &ns)
returns true if any of the contained types satisfies pred
Deprecated expression utility functions.
API to expression classes for Pointers.
const address_of_exprt & to_address_of_expr(const exprt &expr)
Cast an exprt to an address_of_exprt.
const dereference_exprt & to_dereference_expr(const exprt &expr)
Cast an exprt to a dereference_exprt.
std::optional< mp_integer > pointer_offset_bits(const typet &type, const namespacet &ns)
#define PRECONDITION(CONDITION)
exprt conjunction(exprt a, exprt b)
Conjunction of two expressions.
const index_exprt & to_index_expr(const exprt &expr)
Cast an exprt to an index_exprt.
const typecast_exprt & to_typecast_expr(const exprt &expr)
Cast an exprt to a typecast_exprt.
const binary_exprt & to_binary_expr(const exprt &expr)
Cast an exprt to a binary_exprt.
const if_exprt & to_if_expr(const exprt &expr)
Cast an exprt to an if_exprt.
const member_exprt & to_member_expr(const exprt &expr)
Cast an exprt to a member_exprt.
const constant_exprt & to_constant_expr(const exprt &expr)
Cast an exprt to a constant_exprt.
const not_exprt & to_not_expr(const exprt &expr)
Cast an exprt to an not_exprt.
const struct_tag_typet & to_struct_tag_type(const typet &type)
Cast a typet to a struct_tag_typet.
const array_typet & to_array_type(const typet &type)
Cast a typet to an array_typet.
const struct_union_typet & to_struct_union_type(const typet &type)
Cast a typet to a struct_union_typet.
const type_with_subtypest & to_type_with_subtypes(const typet &type)