Z3 |

Public Member Functions | Data Fields
AstVector Class Reference
Inheritance diagram for AstVector:

## Public Member Functions
def | __init__ (self, v=None, ctx=None)
def | __del__ (self)
def | __len__ (self)
def | __getitem__ (self, i)
def | __setitem__ (self, i, v)
def | push (self, v)
def | resize (self, sz)
def | __contains__ (self, item)
def | translate (self, other_ctx)
def | __copy__ (self)
def | __deepcopy__ (self, memo={})
def | __repr__ (self)
def | sexpr (self)
Public Member Functions inherited from Z3PPObject
def | use_pp (self)

## Data Fields
| vector
| ctx

## Detailed Description

    A collection (vector) of ASTs.

Definition at line 5785 of file z3py.py.

## Constructor & Destructor Documentation

## ◆ __init__()

def __init__ | ( |  | self,
|  |  | v = `None`,
|  |  | ctx = `None`
| ) |  |

Definition at line 5788 of file z3py.py.

5788 def __init__(self, v=None, ctx=None):
5789 self.vector = None
5790 if v is None:
5791 self.ctx = _get_ctx(ctx)
5792 self.vector = Z3_mk_ast_vector(self.ctx.ref())
5793 else:
5794 self.vector = v
5795 assert ctx is not None
5796 self.ctx = ctx
5797 Z3_ast_vector_inc_ref(self.ctx.ref(), self.vector)
5798
Z3_ast_vector_inc_ref
void Z3_API Z3_ast_vector_inc_ref(Z3_context c, Z3_ast_vector v)
Increment the reference counter of the given AST vector.
Z3_mk_ast_vector
Z3_ast_vector Z3_API Z3_mk_ast_vector(Z3_context c)
Return an empty AST vector.

## ◆ __del__()

def __del__ | ( |  | self | ) |

Definition at line 5799 of file z3py.py.

5799 def __del__(self):
5800 if self.vector is not None and self.ctx.ref() is not None:
5801 Z3_ast_vector_dec_ref(self.ctx.ref(), self.vector)
5802
Z3_ast_vector_dec_ref
void Z3_API Z3_ast_vector_dec_ref(Z3_context c, Z3_ast_vector v)
Decrement the reference counter of the given AST vector.

## Member Function Documentation

## ◆ __contains__()

def __contains__ | ( |  | self,
|  |  | item
| ) |  |

    Return `True` if the vector contains `item`.

    >>> x = Int('x')
    >>> A = AstVector()
    >>> x in A
    False
    >>> A.push(x)
    >>> x in A
    True
    >>> (x+1) in A
    False
    >>> A.push(x+1)
    >>> (x+1) in A
    True
    >>> A
    [x, x + 1]

Definition at line 5886 of file z3py.py.

5886 def __contains__(self, item):
5887 """Return `True` if the vector contains `item`.
5888
5889 >>> x = Int('x')
5890 >>> A = AstVector()
5891 >>> x in A
5892 False
5893 >>> A.push(x)
5894 >>> x in A
5895 True
5896 >>> (x+1) in A
5897 False
5898 >>> A.push(x+1)
5899 >>> (x+1) in A
5900 True
5901 >>> A
5902 [x, x + 1]
5903 """
5904 for elem in self:
5905 if elem.eq(item):
5906 return True
5907 return False
5908
z3py.Int
def Int(name, ctx=None)
Definition: z3py.py:3210

## ◆ __copy__()

def __copy__ | ( |  | self | ) |

Definition at line 5925 of file z3py.py.

5925 def __copy__(self):
5926 return self.translate(self.ctx)
5927

## ◆ __deepcopy__()

def __deepcopy__ | ( |  | self,
|  |  | memo = `{}`
| ) |  |

Definition at line 5928 of file z3py.py.

5928 def __deepcopy__(self, memo={}):
5929 return self.translate(self.ctx)
5930

## ◆ __getitem__()

def __getitem__ | ( |  | self,
|  |  | i
| ) |  |

    Return the AST at position `i`.

    >>> A = AstVector()
    >>> A.push(Int('x') + 1)
    >>> A.push(Int('y'))
    >>> A[0]
    x + 1
    >>> A[1]
    y

Definition at line 5816 of file z3py.py.

5816 def __getitem__(self, i):
5817 """Return the AST at position `i`.
5818
5819 >>> A = AstVector()
5820 >>> A.push(Int('x') + 1)
5821 >>> A.push(Int('y'))
5822 >>> A[0]
5823 x + 1
5824 >>> A[1]
5825 y
5826 """
5827
5828 if isinstance(i, int):
5829 if i < 0:
5830 i += self.__len__()
5831
5832 if i >= self.__len__():
5833 raise IndexError
5834 return _to_ast_ref(Z3_ast_vector_get(self.ctx.ref(), self.vector, i), self.ctx)
5835
5836 elif isinstance(i, slice):
5837 result = []
5838 for ii in range(*i.indices(self.__len__())):
5839 result.append(_to_ast_ref(
5840 Z3_ast_vector_get(self.ctx.ref(), self.vector, ii),
5841 self.ctx,
5842 ))
5843 return result
5844
z3::range
expr range(expr const &lo, expr const &hi)
Definition: z3++.h:3725
Z3_ast_vector_get
Z3_ast Z3_API Z3_ast_vector_get(Z3_context c, Z3_ast_vector v, unsigned i)
Return the AST at position i in the AST vector v.

## ◆ __len__()

def __len__ | ( |  | self | ) |

    Return the size of the vector `self`.

    >>> A = AstVector()
    >>> len(A)
    0
    >>> A.push(Int('x'))
    >>> A.push(Int('x'))
    >>> len(A)
    2

Definition at line 5803 of file z3py.py.

5803 def __len__(self):
5804 """Return the size of the vector `self`.
5805
5806 >>> A = AstVector()
5807 >>> len(A)
5808 0
5809 >>> A.push(Int('x'))
5810 >>> A.push(Int('x'))
5811 >>> len(A)
5812 2
5813 """
5814 return int(Z3_ast_vector_size(self.ctx.ref(), self.vector))
5815
Z3_ast_vector_size
unsigned Z3_API Z3_ast_vector_size(Z3_context c, Z3_ast_vector v)
Return the size of the given AST vector.

Referenced by AstVector.__getitem__(), and AstVector.__setitem__().

## ◆ __repr__()

def __repr__ | ( |  | self | ) |

Definition at line 5931 of file z3py.py.

5931 def __repr__(self):
5932 return obj_to_string(self)
5933

## ◆ __setitem__()

def __setitem__ | ( |  | self,
|  |  | i,
|  |  | v
| ) |  |

    Update AST at position `i`.

    >>> A = AstVector()
    >>> A.push(Int('x') + 1)
    >>> A.push(Int('y'))
    >>> A[0]
    x + 1
    >>> A[0] = Int('x')
    >>> A[0]
    x

Definition at line 5845 of file z3py.py.

5845 def __setitem__(self, i, v):
5846 """Update AST at position `i`.
5847
5848 >>> A = AstVector()
5849 >>> A.push(Int('x') + 1)
5850 >>> A.push(Int('y'))
5851 >>> A[0]
5852 x + 1
5853 >>> A[0] = Int('x')
5854 >>> A[0]
5855 x
5856 """
5857 if i >= self.__len__():
5858 raise IndexError
5859 Z3_ast_vector_set(self.ctx.ref(), self.vector, i, v.as_ast())
5860
Z3_ast_vector_set
void Z3_API Z3_ast_vector_set(Z3_context c, Z3_ast_vector v, unsigned i, Z3_ast a)
Update position i of the AST vector v with the AST a.

## ◆ push()

def push | ( |  | self,
|  |  | v
| ) |  |

    Add `v` in the end of the vector.

    >>> A = AstVector()
    >>> len(A)
    0
    >>> A.push(Int('x'))
    >>> len(A)
    1

Definition at line 5861 of file z3py.py.

5861 def push(self, v):
5862 """Add `v` in the end of the vector.
5863
5864 >>> A = AstVector()
5865 >>> len(A)
5866 0
5867 >>> A.push(Int('x'))
5868 >>> len(A)
5869 1
5870 """
5871 Z3_ast_vector_push(self.ctx.ref(), self.vector, v.as_ast())
5872
Z3_ast_vector_push
void Z3_API Z3_ast_vector_push(Z3_context c, Z3_ast_vector v, Z3_ast a)
Add the AST a in the end of the AST vector v. The size of v is increased by one.

## ◆ resize()

def resize | ( |  | self,
|  |  | sz
| ) |  |

    Resize the vector to `sz` elements.

    >>> A = AstVector()
    >>> A.resize(10)
    >>> len(A)
    10
    >>> for i in range(10): A[i] = Int('x')
    >>> A[5]
    x

Definition at line 5873 of file z3py.py.

5873 def resize(self, sz):
5874 """Resize the vector to `sz` elements.
5875
5876 >>> A = AstVector()
5877 >>> A.resize(10)
5878 >>> len(A)
5879 10
5880 >>> for i in range(10): A[i] = Int('x')
5881 >>> A[5]
5882 x
5883 """
5884 Z3_ast_vector_resize(self.ctx.ref(), self.vector, sz)
5885
Z3_ast_vector_resize
void Z3_API Z3_ast_vector_resize(Z3_context c, Z3_ast_vector v, unsigned n)
Resize the AST vector v.

## ◆ sexpr()

def sexpr | ( |  | self | ) |

    Return a textual representation of the s-expression representing the vector.

Definition at line 5934 of file z3py.py.

5934 def sexpr(self):
5935 """Return a textual representation of the s-expression representing the vector."""
5936 return Z3_ast_vector_to_string(self.ctx.ref(), self.vector)
5937
Z3_ast_vector_to_string
Z3_string Z3_API Z3_ast_vector_to_string(Z3_context c, Z3_ast_vector v)
Convert AST vector into a string.

Referenced by Fixedpoint.__repr__(), and Optimize.__repr__().

## ◆ translate()

def translate | ( |  | self,
|  |  | other_ctx
| ) |  |

    Copy vector `self` to context `other_ctx`.

    >>> x = Int('x')
    >>> A = AstVector()
    >>> A.push(x)
    >>> c2 = Context()
    >>> B = A.translate(c2)
    >>> B
    [x]

Definition at line 5909 of file z3py.py.

5909 def translate(self, other_ctx):
5910 """Copy vector `self` to context `other_ctx`.
5911
5912 >>> x = Int('x')
5913 >>> A = AstVector()
5914 >>> A.push(x)
5915 >>> c2 = Context()
5916 >>> B = A.translate(c2)
5917 >>> B
5918 [x]
5919 """
5920 return AstVector(
5921 Z3_ast_vector_translate(self.ctx.ref(), self.vector, other_ctx.ref()),
5922 ctx=other_ctx,
5923 )
5924
Z3_ast_vector_translate
Z3_ast_vector Z3_API Z3_ast_vector_translate(Z3_context s, Z3_ast_vector v, Z3_context t)
Translate the AST vector v from context s into an AST vector in context t.

Referenced by AstRef.__copy__(), Goal.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), ModelRef.__copy__(), Solver.__copy__(), Goal.__deepcopy__(), AstVector.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), and Solver.__deepcopy__().

## Field Documentation

## ◆ ctx

ctx

Definition at line 5791 of file z3py.py.

Referenced by ArithRef.__add__(), BitVecRef.__add__(), FPRef.__add__(), BitVecRef.__and__(), FuncDeclRef.__call__(), Probe.__call__(), AstMap.__contains__(), AstRef.__copy__(), Goal.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), ModelRef.__copy__(), Solver.__copy__(), AstRef.__deepcopy__(), Datatype.__deepcopy__(), ParamsRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), Goal.__deepcopy__(), AstVector.__deepcopy__(), AstMap.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), Statistics.__deepcopy__(), Solver.__deepcopy__(), Fixedpoint.__deepcopy__(), Optimize.__deepcopy__(), ApplyResult.__deepcopy__(), Tactic.__deepcopy__(), Probe.__deepcopy__(), Context.__del__(), AstRef.__del__(), ScopedConstructor.__del__(), ScopedConstructorList.__del__(), ParamsRef.__del__(), ParamDescrsRef.__del__(), Goal.__del__(), AstVector.__del__(), AstMap.__del__(), FuncEntry.__del__(), FuncInterp.__del__(), ModelRef.__del__(), Statistics.__del__(), Solver.__del__(), Fixedpoint.__del__(), Optimize.__del__(), ApplyResult.__del__(), Tactic.__del__(), Probe.__del__(), ArithRef.__div__(), BitVecRef.__div__(), FPRef.__div__(), ExprRef.__eq__(), Probe.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), Probe.__ge__(), FPRef.__ge__(), SeqRef.__ge__(), QuantifierRef.__getitem__(), ArrayRef.__getitem__(), AstVector.__getitem__(), SeqRef.__getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), ApplyResult.__getitem__(), AstMap.__getitem__(), ArithRef.__gt__(), BitVecRef.__gt__(), Probe.__gt__(), FPRef.__gt__(), SeqRef.__gt__(), BitVecRef.__invert__(), ArithRef.__le__(), BitVecRef.__le__(), Probe.__le__(), FPRef.__le__(), SeqRef.__le__(), AstVector.__len__(), AstMap.__len__(), ModelRef.__len__(), Statistics.__len__(), ApplyResult.__len__(), BitVecRef.__lshift__(), ArithRef.__lt__(), BitVecRef.__lt__(), Probe.__lt__(), FPRef.__lt__(), SeqRef.__lt__(), ArithRef.__mod__(), BitVecRef.__mod__(), ArithRef.__mul__(), BitVecRef.__mul__(), FPRef.__mul__(), ExprRef.__ne__(), Probe.__ne__(), ArithRef.__neg__(), BitVecRef.__neg__(), BitVecRef.__or__(), ArithRef.__pow__(), ArithRef.__radd__(), BitVecRef.__radd__(), FPRef.__radd__(), BitVecRef.__rand__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), FPRef.__rdiv__(), ParamsRef.__repr__(), ParamDescrsRef.__repr__(), AstMap.__repr__(), Statistics.__repr__(), BitVecRef.__rlshift__(), ArithRef.__rmod__(), BitVecRef.__rmod__(), ArithRef.__rmul__(), BitVecRef.__rmul__(), FPRef.__rmul__(), BitVecRef.__ror__(), ArithRef.__rpow__(), BitVecRef.__rrshift__(), BitVecRef.__rshift__(), ArithRef.__rsub__(), BitVecRef.__rsub__(), FPRef.__rsub__(), BitVecRef.__rxor__(), AstVector.__setitem__(), AstMap.__setitem__(), ArithRef.__sub__(), BitVecRef.__sub__(), FPRef.__sub__(), BitVecRef.__xor__(), DatatypeSortRef.accessor(), Fixedpoint.add_cover(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), AlgebraicNumRef.approx(), ExprRef.arg(), FuncEntry.arg_value(), FuncInterp.arity(), Goal.as_expr(), ApplyResult.as_expr(), FPNumRef.as_string(), Solver.assert_and_track(), Optimize.assert_and_track(), Goal.assert_exprs(), Solver.assert_exprs(), Fixedpoint.assert_exprs(), Optimize.assert_exprs(), Solver.assertions(), Optimize.assertions(), SeqRef.at(), SeqSortRef.basis(), ReSortRef.basis(), QuantifierRef.body(), BoolSortRef.cast(), Solver.check(), Optimize.check(), UserPropagateBase.conflict(), Solver.consequences(), DatatypeSortRef.constructor(), Goal.convert_model(), AstRef.ctx_ref(), UserPropagateBase.ctx_ref(), ExprRef.decl(), ModelRef.decls(), ArrayRef.default(), RatNumRef.denominator(), Goal.depth(), Goal.dimacs(), Solver.dimacs(), ArraySortRef.domain(), FuncDeclRef.domain(), FuncInterp.else_value(), FuncInterp.entry(), AstMap.erase(), ModelRef.eval(), FPNumRef.exponent(), FPNumRef.exponent_as_bv(), FPNumRef.exponent_as_long(), Solver.from_file(), Optimize.from_file(), Solver.from_string(), Optimize.from_string(), Goal.get(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), ParamDescrsRef.get_documentation(), Fixedpoint.get_ground_sat_answer(), ModelRef.get_interp(), Statistics.get_key_value(), ParamDescrsRef.get_kind(), ParamDescrsRef.get_name(), Fixedpoint.get_num_levels(), Fixedpoint.get_rule_names_along_trace(), Fixedpoint.get_rules(), Fixedpoint.get_rules_along_trace(), ModelRef.get_sort(), ModelRef.get_universe(), Solver.help(), Fixedpoint.help(), Optimize.help(), Tactic.help(), Solver.import_model_converter(), Goal.inconsistent(), FPNumRef.isInf(), FPNumRef.isNaN(), FPNumRef.isNegative(), FPNumRef.isNormal(), FPNumRef.isPositive(), FPNumRef.isSubnormal(), FPNumRef.isZero(), AstMap.keys(), Statistics.keys(), SortRef.kind(), Optimize.maximize(), Optimize.minimize(), Solver.model(), Optimize.model(), SortRef.name(), FuncDeclRef.name(), QuantifierRef.no_pattern(), Solver.non_units(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), RatNumRef.numerator(), Optimize.objectives(), Solver.param_descrs(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Tactic.param_descrs(), FuncDeclRef.params(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), QuantifierRef.pattern(), AlgebraicNumRef.poly(), Optimize.pop(), Solver.pop(), Goal.prec(), Solver.proof(), Solver.push(), Optimize.push(), AstVector.push(), Fixedpoint.query(), Fixedpoint.query_from_lvl(), FuncDeclRef.range(), ArraySortRef.range(), Solver.reason_unknown(), Fixedpoint.reason_unknown(), Optimize.reason_unknown(), DatatypeSortRef.recognizer(), Context.ref(), Fixedpoint.register_relation(), AstMap.reset(), Solver.reset(), AstVector.resize(), Solver.set(), Fixedpoint.set(), Optimize.set(), ParamsRef.set(), Optimize.set_on_model(), Fixedpoint.set_predicate_representation(), Goal.sexpr(), AstVector.sexpr(), ModelRef.sexpr(), Solver.sexpr(), Fixedpoint.sexpr(), Optimize.sexpr(), ApplyResult.sexpr(), FPNumRef.sign(), FPNumRef.sign_as_bv(), FPNumRef.significand(), FPNumRef.significand_as_bv(), FPNumRef.significand_as_long(), ParamDescrsRef.size(), Goal.size(), Tactic.solver(), ExprRef.sort(), BoolRef.sort(), QuantifierRef.sort(), ArithRef.sort(), BitVecRef.sort(), ArrayRef.sort(), DatatypeRef.sort(), FiniteDomainRef.sort(), FPRef.sort(), SeqRef.sort(), Solver.statistics(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Fixedpoint.to_string(), Solver.trail(), Solver.trail_levels(), AstVector.translate(), FuncInterp.translate(), AstRef.translate(), Goal.translate(), ModelRef.translate(), Solver.translate(), Solver.units(), Solver.unsat_core(), Optimize.unsat_core(), Fixedpoint.update_rule(), ParamsRef.validate(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().

## ◆ vector

vector

Definition at line 5789 of file z3py.py.

Referenced by AstVector.__del__(), AstVector.__getitem__(), AstVector.__len__(), AstVector.__setitem__(), AstVector.push(), AstVector.resize(), AstVector.sexpr(), and AstVector.translate().