Z3
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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)
 py_value (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)
 kind (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)
 __eq__ (self, other)
 __hash__ (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)

Additional Inherited Members

Data Fields inherited from AstRef
 ast = ast
 ctx = _get_ctx(ctx)
Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)

Detailed Description

Sequence expression.

Definition at line 11019 of file z3py.py.

Member Function Documentation

◆ __add__()

__add__ ( self,
other )

Definition at line 11025 of file z3py.py.

11025 def __add__(self, other):
11026 return Concat(self, other)
11027

◆ __ge__()

__ge__ ( self,
other )

Definition at line 11064 of file z3py.py.

11064 def __ge__(self, other):
11065 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
11066
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 11031 of file z3py.py.

11031 def __getitem__(self, i):
11032 if _is_int(i):
11033 i = IntVal(i, self.ctx)
11034 return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
11035
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 11067 of file z3py.py.

11067 def __gt__(self, other):
11068 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
11069
11070
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 11058 of file z3py.py.

11058 def __le__(self, other):
11059 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
11060

◆ __lt__()

__lt__ ( self,
other )

Definition at line 11061 of file z3py.py.

11061 def __lt__(self, other):
11062 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
11063

◆ __radd__()

__radd__ ( self,
other )

Definition at line 11028 of file z3py.py.

11028 def __radd__(self, other):
11029 return Concat(other, self)
11030

◆ as_string()

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

Definition at line 11047 of file z3py.py.

11047 def as_string(self):
11048 """Return a string representation of sequence expression."""
11049 if self.is_string_value():
11050 string_length = ctypes.c_uint()
11051 chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
11052 return string_at(chars, size=string_length.value).decode("latin-1")
11053 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
11054
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....

◆ at()

at ( self,
i )

Definition at line 11036 of file z3py.py.

11036 def at(self, i):
11037 if _is_int(i):
11038 i = IntVal(i, self.ctx)
11039 return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
11040
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 11041 of file z3py.py.

11041 def is_string(self):
11042 return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
11043
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 11044 of file z3py.py.

11044 def is_string_value(self):
11045 return Z3_is_string(self.ctx_ref(), self.as_ast())
11046
bool Z3_API Z3_is_string(Z3_context c, Z3_ast s)
Determine if s is a string constant.

◆ py_value()

py_value ( self)
Return a Python value that is equivalent to `self`.

Reimplemented from AstRef.

Definition at line 11055 of file z3py.py.

11055 def py_value(self):
11056 return self.as_string()
11057

◆ 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 11022 of file z3py.py.

11022 def sort(self):
11023 return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
11024