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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 11014 of file z3py.py.

Member Function Documentation

◆ __add__()

__add__ ( self,
other )

Definition at line 11020 of file z3py.py.

11020 def __add__(self, other):
11021 return Concat(self, other)
11022

◆ __ge__()

__ge__ ( self,
other )

Definition at line 11059 of file z3py.py.

11059 def __ge__(self, other):
11060 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
11061
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 11026 of file z3py.py.

11026 def __getitem__(self, i):
11027 if _is_int(i):
11028 i = IntVal(i, self.ctx)
11029 return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
11030
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 11062 of file z3py.py.

11062 def __gt__(self, other):
11063 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
11064
11065
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 11053 of file z3py.py.

11053 def __le__(self, other):
11054 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
11055

◆ __lt__()

__lt__ ( self,
other )

Definition at line 11056 of file z3py.py.

11056 def __lt__(self, other):
11057 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
11058

◆ __radd__()

__radd__ ( self,
other )

Definition at line 11023 of file z3py.py.

11023 def __radd__(self, other):
11024 return Concat(other, self)
11025

◆ as_string()

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

Definition at line 11042 of file z3py.py.

11042 def as_string(self):
11043 """Return a string representation of sequence expression."""
11044 if self.is_string_value():
11045 string_length = ctypes.c_uint()
11046 chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
11047 return string_at(chars, size=string_length.value).decode("latin-1")
11048 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
11049
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 11031 of file z3py.py.

11031 def at(self, i):
11032 if _is_int(i):
11033 i = IntVal(i, self.ctx)
11034 return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
11035
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 11036 of file z3py.py.

11036 def is_string(self):
11037 return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
11038
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 11039 of file z3py.py.

11039 def is_string_value(self):
11040 return Z3_is_string(self.ctx_ref(), self.as_ast())
11041
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 11050 of file z3py.py.

11050 def py_value(self):
11051 return self.as_string()
11052

◆ 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 11017 of file z3py.py.

11017 def sort(self):
11018 return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
11019