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SeqRef Class Reference
+ Inheritance diagram for SeqRef:

Public Member Functions

 sort (self)
 
 __add__ (self, other)
 
 __radd__ (self, other)
 
 __getitem__ (self, i)
 
 at (self, i)
 
 is_string (self)
 
 is_string_value (self)
 
 as_string (self)
 
 __le__ (self, other)
 
 __lt__ (self, other)
 
 __ge__ (self, other)
 
 __gt__ (self, other)
 
- Public Member Functions inherited from ExprRef
 as_ast (self)
 
 get_id (self)
 
 sort_kind (self)
 
 __eq__ (self, other)
 
 __hash__ (self)
 
 __ne__ (self, other)
 
 params (self)
 
 decl (self)
 
 num_args (self)
 
 arg (self, idx)
 
 children (self)
 
 from_string (self, s)
 
 serialize (self)
 
- Public Member Functions inherited from AstRef
 __init__ (self, ast, ctx=None)
 
 __del__ (self)
 
 __deepcopy__ (self, memo={})
 
 __str__ (self)
 
 __repr__ (self)
 
 __nonzero__ (self)
 
 __bool__ (self)
 
 sexpr (self)
 
 ctx_ref (self)
 
 eq (self, other)
 
 translate (self, target)
 
 __copy__ (self)
 
 hash (self)
 
- Public Member Functions inherited from Z3PPObject
 use_pp (self)
 

Data Fields

 ctx = IntVal(i, self.ctx)
 
- Data Fields inherited from ExprRef
 ctx
 
- Data Fields inherited from AstRef
 ast = ast
 
 ctx = _get_ctx(ctx)
 

Additional Inherited Members

- Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)
 

Detailed Description

Sequence expression.

Definition at line 10907 of file z3py.py.

Member Function Documentation

◆ __add__()

__add__ ( self,
other )

Definition at line 10913 of file z3py.py.

10913 def __add__(self, other):
10914 return Concat(self, other)
10915

◆ __ge__()

__ge__ ( self,
other )

Definition at line 10949 of file z3py.py.

10949 def __ge__(self, other):
10950 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10951
Z3_ast Z3_API Z3_mk_str_le(Z3_context c, Z3_ast prefix, Z3_ast s)
Check if s1 is equal or lexicographically strictly less than s2.

◆ __getitem__()

__getitem__ ( self,
i )

Definition at line 10919 of file z3py.py.

10919 def __getitem__(self, i):
10920 if _is_int(i):
10921 i = IntVal(i, self.ctx)
10922 return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10923
Z3_ast Z3_API Z3_mk_seq_nth(Z3_context c, Z3_ast s, Z3_ast index)
Retrieve from s the element positioned at position index. The function is under-specified if the inde...

◆ __gt__()

__gt__ ( self,
other )

Definition at line 10952 of file z3py.py.

10952 def __gt__(self, other):
10953 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10954
10955
Z3_ast Z3_API Z3_mk_str_lt(Z3_context c, Z3_ast prefix, Z3_ast s)
Check if s1 is lexicographically strictly less than s2.

◆ __le__()

__le__ ( self,
other )

Definition at line 10943 of file z3py.py.

10943 def __le__(self, other):
10944 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10945

◆ __lt__()

__lt__ ( self,
other )

Definition at line 10946 of file z3py.py.

10946 def __lt__(self, other):
10947 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10948

◆ __radd__()

__radd__ ( self,
other )

Definition at line 10916 of file z3py.py.

10916 def __radd__(self, other):
10917 return Concat(other, self)
10918

◆ as_string()

as_string ( self)
Return a string representation of sequence expression.

Definition at line 10935 of file z3py.py.

10935 def as_string(self):
10936 """Return a string representation of sequence expression."""
10937 if self.is_string_value():
10938 string_length = ctypes.c_uint()
10939 chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
10940 return string_at(chars, size=string_length.value).decode("latin-1")
10941 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
10942
Z3_string Z3_API Z3_ast_to_string(Z3_context c, Z3_ast a)
Convert the given AST node into a string.
Z3_char_ptr Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned *length)
Retrieve the string constant stored in s. The string can contain escape sequences....

Referenced by BitVecNumRef.as_long(), and IntNumRef.as_long().

◆ at()

at ( self,
i )

Definition at line 10924 of file z3py.py.

10924 def at(self, i):
10925 if _is_int(i):
10926 i = IntVal(i, self.ctx)
10927 return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10928
Z3_ast Z3_API Z3_mk_seq_at(Z3_context c, Z3_ast s, Z3_ast index)
Retrieve from s the unit sequence positioned at position index. The sequence is empty if the index is...

◆ is_string()

is_string ( self)

Definition at line 10929 of file z3py.py.

10929 def is_string(self):
10930 return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
10931
bool Z3_API Z3_is_string_sort(Z3_context c, Z3_sort s)
Check if s is a string sort.
Z3_sort Z3_API Z3_get_sort(Z3_context c, Z3_ast a)
Return the sort of an AST node.

◆ is_string_value()

is_string_value ( self)

Definition at line 10932 of file z3py.py.

10932 def is_string_value(self):
10933 return Z3_is_string(self.ctx_ref(), self.as_ast())
10934
bool Z3_API Z3_is_string(Z3_context c, Z3_ast s)
Determine if s is a string constant.

◆ sort()

sort ( self)
Return the sort of expression `self`.

>>> x = Int('x')
>>> (x + 1).sort()
Int
>>> y = Real('y')
>>> (x + y).sort()
Real

Reimplemented from ExprRef.

Definition at line 10910 of file z3py.py.

10910 def sort(self):
10911 return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
10912

Referenced by ArrayRef.domain(), ArrayRef.domain_n(), ArithRef.is_int(), ArithRef.is_real(), ArrayRef.range(), BitVecRef.size(), and ExprRef.sort_kind().

Field Documentation

◆ ctx

ctx = IntVal(i, self.ctx)

Definition at line 10911 of file z3py.py.

Referenced by ArithRef.__add__(), BitVecRef.__add__(), BitVecRef.__and__(), FuncDeclRef.__call__(), AstMap.__contains__(), AstRef.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), Goal.__copy__(), ModelRef.__copy__(), AstMap.__deepcopy__(), AstRef.__deepcopy__(), AstVector.__deepcopy__(), Datatype.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), Goal.__deepcopy__(), ModelRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), ParamsRef.__deepcopy__(), Statistics.__deepcopy__(), AstMap.__del__(), AstRef.__del__(), AstVector.__del__(), Context.__del__(), FuncEntry.__del__(), FuncInterp.__del__(), Goal.__del__(), ModelRef.__del__(), ParamDescrsRef.__del__(), ParamsRef.__del__(), ScopedConstructor.__del__(), ScopedConstructorList.__del__(), Solver.__del__(), Statistics.__del__(), ArithRef.__div__(), BitVecRef.__div__(), ExprRef.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), AstMap.__getitem__(), AstVector.__getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), ArithRef.__gt__(), BitVecRef.__gt__(), BitVecRef.__invert__(), ArithRef.__le__(), BitVecRef.__le__(), AstMap.__len__(), AstVector.__len__(), ModelRef.__len__(), Statistics.__len__(), BitVecRef.__lshift__(), ArithRef.__lt__(), BitVecRef.__lt__(), ArithRef.__mod__(), BitVecRef.__mod__(), ArithRef.__mul__(), BitVecRef.__mul__(), BoolRef.__mul__(), ExprRef.__ne__(), ArithRef.__neg__(), BitVecRef.__neg__(), BitVecRef.__or__(), ArithRef.__pow__(), ArithRef.__radd__(), BitVecRef.__radd__(), BitVecRef.__rand__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), AstMap.__repr__(), ParamDescrsRef.__repr__(), ParamsRef.__repr__(), Statistics.__repr__(), BitVecRef.__rlshift__(), ArithRef.__rmod__(), BitVecRef.__rmod__(), ArithRef.__rmul__(), BitVecRef.__rmul__(), BitVecRef.__ror__(), ArithRef.__rpow__(), BitVecRef.__rrshift__(), BitVecRef.__rshift__(), ArithRef.__rsub__(), BitVecRef.__rsub__(), BitVecRef.__rxor__(), AstMap.__setitem__(), AstVector.__setitem__(), ArithRef.__sub__(), BitVecRef.__sub__(), BitVecRef.__xor__(), DatatypeSortRef.accessor(), ExprRef.arg(), FuncEntry.arg_value(), FuncInterp.arity(), Goal.as_expr(), Solver.assert_and_track(), Goal.assert_exprs(), Solver.assert_exprs(), QuantifierRef.body(), Solver.check(), Goal.convert_model(), AstRef.ctx_ref(), ExprRef.decl(), ModelRef.decls(), ArrayRef.default(), RatNumRef.denominator(), Goal.depth(), Goal.dimacs(), FuncDeclRef.domain(), ArraySortRef.domain_n(), FuncInterp.else_value(), FuncInterp.entry(), AstMap.erase(), ModelRef.eval(), Goal.get(), ParamDescrsRef.get_documentation(), ModelRef.get_interp(), Statistics.get_key_value(), ParamDescrsRef.get_kind(), ParamDescrsRef.get_name(), ModelRef.get_sort(), ModelRef.get_universe(), Goal.inconsistent(), AstMap.keys(), Statistics.keys(), Solver.model(), SortRef.name(), QuantifierRef.no_pattern(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), FuncDeclRef.params(), QuantifierRef.pattern(), AlgebraicNumRef.poly(), Solver.pop(), Goal.prec(), AstVector.push(), Solver.push(), QuantifierRef.qid(), ArraySortRef.range(), FuncDeclRef.range(), DatatypeSortRef.recognizer(), Context.ref(), AstMap.reset(), Solver.reset(), AstVector.resize(), ParamsRef.set(), Solver.set(), AstVector.sexpr(), Goal.sexpr(), ModelRef.sexpr(), Goal.size(), ParamDescrsRef.size(), QuantifierRef.skolem_id(), AstRef.translate(), AstVector.translate(), Goal.translate(), ModelRef.translate(), ParamsRef.validate(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().