cprover
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String builtin_function transforming one string into another. More...
#include <string_builtin_function.h>
Public Member Functions | |
string_transformation_builtin_functiont (const exprt &return_code, const std::vector< exprt > &fun_args, array_poolt &array_pool) | |
Constructor from arguments of a function application. More... | |
optionalt< array_string_exprt > | string_result () const override |
std::vector< array_string_exprt > | string_arguments () const override |
virtual std::vector< mp_integer > | eval (const std::vector< mp_integer > &input_value, const std::vector< mp_integer > &args_value) const =0 |
Evaluate the result from a concrete valuation of the arguments. More... | |
optionalt< exprt > | eval (const std::function< exprt(const exprt &)> &get_value) const override |
bool | maybe_testing_function () const override |
Tells whether the builtin function can be a testing function, that is a function that does not return a string, for instance like equals , indexOf or compare . More... | |
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string_builtin_functiont (const string_builtin_functiont &)=delete | |
virtual | ~string_builtin_functiont ()=default |
virtual std::string | name () const =0 |
virtual exprt | add_constraints (string_constraint_generatort &constraint_generator) const =0 |
Add constraints ensuring that the value of result expression of the builtin function corresponds to the value of the function call. More... | |
virtual exprt | length_constraint () const =0 |
Constraint ensuring that the length of the strings are coherent with the function call. More... | |
Public Attributes | |
array_string_exprt | result |
array_string_exprt | input |
std::vector< exprt > | args |
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exprt | return_code |
Additional Inherited Members | |
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string_builtin_functiont (const exprt &return_code) | |
String builtin_function transforming one string into another.
Definition at line 66 of file string_builtin_function.h.
string_transformation_builtin_functiont::string_transformation_builtin_functiont | ( | const exprt & | return_code, |
const std::vector< exprt > & | fun_args, | ||
array_poolt & | array_pool | ||
) |
Constructor from arguments of a function application.
The arguments in fun_args
should be in order: an integer result.length
, a character pointer &result[0]
, a string arg1
of type refined_string_typet, and potentially some arguments of primitive types.
Definition at line 22 of file string_builtin_function.cpp.
References args, expr_checked_cast(), array_poolt::find(), input, PRECONDITION, and result.
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pure virtual |
Evaluate the result from a concrete valuation of the arguments.
Implemented in string_concat_char_builtin_functiont.
Referenced by eval().
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overridevirtual |
Implements string_builtin_functiont.
Definition at line 35 of file string_builtin_function.cpp.
References args, eval(), eval_string(), from_integer(), input, INVARIANT, array_string_exprt::length(), make_string(), result, typet::subtype(), and exprt::type().
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inlineoverridevirtual |
Tells whether the builtin function can be a testing function, that is a function that does not return a string, for instance like equals
, indexOf
or compare
.
Reimplemented from string_builtin_functiont.
Definition at line 100 of file string_builtin_function.h.
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inlineoverridevirtual |
Reimplemented from string_builtin_functiont.
Definition at line 87 of file string_builtin_function.h.
References input.
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inlineoverridevirtual |
Reimplemented from string_builtin_functiont.
Definition at line 83 of file string_builtin_function.h.
References result.
std::vector<exprt> string_transformation_builtin_functiont::args |
Definition at line 71 of file string_builtin_function.h.
Referenced by string_concat_char_builtin_functiont::add_constraints(), eval(), and string_transformation_builtin_functiont().
array_string_exprt string_transformation_builtin_functiont::input |
Definition at line 70 of file string_builtin_function.h.
Referenced by string_concat_char_builtin_functiont::add_constraints(), eval(), string_concat_char_builtin_functiont::length_constraint(), string_arguments(), and string_transformation_builtin_functiont().
array_string_exprt string_transformation_builtin_functiont::result |
Definition at line 69 of file string_builtin_function.h.
Referenced by string_concat_char_builtin_functiont::add_constraints(), eval(), string_concat_char_builtin_functiont::eval(), string_concat_char_builtin_functiont::length_constraint(), string_result(), and string_transformation_builtin_functiont().