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| abstract_value_objectt (const typet &type) |
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| abstract_value_objectt (const typet &type, bool tp, bool bttm) |
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| abstract_value_objectt (const exprt &expr, const abstract_environmentt &environment, const namespacet &ns) |
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index_ranget | index_range (const namespacet &ns) const |
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value_ranget | value_range () const |
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virtual constant_interval_exprt | to_interval () const =0 |
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abstract_object_pointert | expression_transform (const exprt &expr, const std::vector< abstract_object_pointert > &operands, const abstract_environmentt &environment, const namespacet &ns) const final |
| Interface for transforms. More...
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virtual sharing_ptrt< const abstract_value_objectt > | constrain (const exprt &lower, const exprt &upper) const =0 |
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abstract_object_pointert | write (abstract_environmentt &environment, const namespacet &ns, const std::stack< exprt > &stack, const exprt &specifier, const abstract_object_pointert &value, bool merging_write) const final |
| A helper function to evaluate writing to a component of an abstract object. More...
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| abstract_objectt (const typet &type) |
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| abstract_objectt (const typet &type, bool top, bool bottom) |
| Start the abstract object at either top or bottom or neither Asserts if both top and bottom are true. More...
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| abstract_objectt (const exprt &expr, const abstract_environmentt &environment, const namespacet &ns) |
| Construct an abstract object from the expression. More...
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| abstract_objectt (const typet &type, const exprt &expr, const abstract_environmentt &environment, const namespacet &ns) |
| Ctor for building object of types that differ from the types of input expressions. More...
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virtual | ~abstract_objectt () |
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virtual const typet & | type () const |
| Get the real type of the variable this abstract object is representing. More...
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virtual bool | is_top () const |
| Find out if the abstract object is top. More...
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virtual bool | is_bottom () const |
| Find out if the abstract object is bottom. More...
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virtual bool | verify () const |
| Verify the internal structure of an abstract_object is correct. More...
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virtual void | get_statistics (abstract_object_statisticst &statistics, abstract_object_visitedt &visited, const abstract_environmentt &env, const namespacet &ns) const |
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virtual abstract_object_pointert | expression_transform (const exprt &expr, const std::vector< abstract_object_pointert > &operands, const abstract_environmentt &environment, const namespacet &ns) const |
| Interface for transforms. More...
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virtual exprt | to_constant () const |
| Converts to a constant expression if possible. More...
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exprt | to_predicate (const exprt &name) const |
| Converts to an invariant expression. More...
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virtual abstract_object_pointert | write (abstract_environmentt &environment, const namespacet &ns, const std::stack< exprt > &stack, const exprt &specifier, const abstract_object_pointert &value, bool merging_write) const |
| A helper function to evaluate writing to a component of an abstract object. More...
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virtual void | output (std::ostream &out, const class ai_baset &ai, const namespacet &ns) const |
| Print the value of the abstract object. More...
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virtual bool | has_been_modified (const abstract_object_pointert &before) const |
| Determine whether 'this' abstract_object has been modified in comparison to a previous 'before' state. More...
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virtual abstract_object_pointert | meet (const abstract_object_pointert &other) const |
| Base implementation of the meet operation: only used if no more precise abstraction can be used, can only result in {TOP, BOTTOM, one of the original objects}. More...
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virtual abstract_object_pointert | write_location_context (const locationt &location) const |
| Update the write location context for an abstract object. More...
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virtual abstract_object_pointert | merge_location_context (const locationt &location) const |
| Update the merge location context for an abstract object. More...
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abstract_object_pointert | make_top () const |
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abstract_object_pointert | clear_top () const |
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virtual abstract_object_pointert | unwrap_context () const |
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virtual abstract_object_pointert | visit_sub_elements (const abstract_object_visitort &visitor) const |
| Apply a visitor operation to all sub elements of this abstract_object. More...
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virtual size_t | internal_hash () const |
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virtual bool | internal_equality (const abstract_object_pointert &other) const |
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virtual exprt | to_predicate_internal (const exprt &name) const |
| to_predicate implementation - derived classes will override More...
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abstract_object_pointert | merge (const abstract_object_pointert &other, const widen_modet &widen_mode) const final |
| Attempts to do a value/value merge if both are constants, otherwise falls back to the parent merge. More...
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abstract_object_pointert | meet (const abstract_object_pointert &other) const final |
| Base implementation of the meet operation: only used if no more precise abstraction can be used, can only result in {TOP, BOTTOM, one of the original objects}. More...
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virtual abstract_object_pointert | merge_with_value (const abstract_value_pointert &other, const widen_modet &widen_mode) const =0 |
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virtual abstract_object_pointert | meet_with_value (const abstract_value_pointert &other) const =0 |
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virtual index_range_implementation_ptrt | index_range_implementation (const namespacet &ns) const =0 |
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virtual value_range_implementation_ptrt | value_range_implementation () const =0 |
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sharing_ptrt< const abstract_value_objectt > | as_value (const abstract_object_pointert &obj) const |
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virtual internal_abstract_object_pointert | mutable_clone () const |
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abstract_object_pointert | abstract_object_merge (const abstract_object_pointert &other) const |
| Create a new abstract object that is the result of the merge, unless the object would be unchanged, then would return itself. More...
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bool | should_use_base_merge (const abstract_object_pointert &other) const |
| To detect the cases where the base merge is sufficient to do a merge We can't do if this->is_bottom() since we want the specific. More...
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virtual abstract_object_pointert | merge (const abstract_object_pointert &other, const widen_modet &widen_mode) const |
| Create a new abstract object that is the result of the merge, unless the object would be unchanged, then would return itself. More...
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abstract_object_pointert | abstract_object_meet (const abstract_object_pointert &other) const |
| Helper function for base meet. More...
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bool | should_use_base_meet (const abstract_object_pointert &other) const |
| Helper function to decide if base meet implementation should be used. More...
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void | set_top () |
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void | set_not_top () |
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void | set_not_bottom () |
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Definition at line 239 of file abstract_value_object.h.