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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)
 update (self, *args)
 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 11138 of file z3py.py.

Member Function Documentation

◆ __add__()

__add__ ( self,
other )

Definition at line 11144 of file z3py.py.

11144 def __add__(self, other):
11145 return Concat(self, other)
11146

◆ __ge__()

__ge__ ( self,
other )

Definition at line 11183 of file z3py.py.

11183 def __ge__(self, other):
11184 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
11185
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 11150 of file z3py.py.

11150 def __getitem__(self, i):
11151 if _is_int(i):
11152 i = IntVal(i, self.ctx)
11153 return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
11154
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 11186 of file z3py.py.

11186 def __gt__(self, other):
11187 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
11188
11189
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 11177 of file z3py.py.

11177 def __le__(self, other):
11178 return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
11179

◆ __lt__()

__lt__ ( self,
other )

Definition at line 11180 of file z3py.py.

11180 def __lt__(self, other):
11181 return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
11182

◆ __radd__()

__radd__ ( self,
other )

Definition at line 11147 of file z3py.py.

11147 def __radd__(self, other):
11148 return Concat(other, self)
11149

◆ as_string()

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

Definition at line 11166 of file z3py.py.

11166 def as_string(self):
11167 """Return a string representation of sequence expression."""
11168 if self.is_string_value():
11169 string_length = ctypes.c_uint()
11170 chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
11171 return string_at(chars, size=string_length.value).decode("latin-1")
11172 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
11173
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 11155 of file z3py.py.

11155 def at(self, i):
11156 if _is_int(i):
11157 i = IntVal(i, self.ctx)
11158 return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
11159
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 11160 of file z3py.py.

11160 def is_string(self):
11161 return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
11162
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 11163 of file z3py.py.

11163 def is_string_value(self):
11164 return Z3_is_string(self.ctx_ref(), self.as_ast())
11165
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 11174 of file z3py.py.

11174 def py_value(self):
11175 return self.as_string()
11176

◆ 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 11141 of file z3py.py.

11141 def sort(self):
11142 return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
11143