Z3
 
Loading...
Searching...
No Matches
AstVector Class Reference
+ Inheritance diagram for AstVector:

Public Member Functions

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

Data Fields

 vector = None
 
 ctx = _get_ctx(ctx)
 

Additional Inherited Members

- Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)
 

Detailed Description

A collection (vector) of ASTs.

Definition at line 5901 of file z3py.py.

Constructor & Destructor Documentation

◆ __init__()

__init__ ( self,
v = None,
ctx = None )

Definition at line 5904 of file z3py.py.

5904 def __init__(self, v=None, ctx=None):
5905 self.vector = None
5906 if v is None:
5907 self.ctx = _get_ctx(ctx)
5908 self.vector = Z3_mk_ast_vector(self.ctx.ref())
5909 else:
5910 self.vector = v
5911 assert ctx is not None
5912 self.ctx = ctx
5913 Z3_ast_vector_inc_ref(self.ctx.ref(), self.vector)
5914
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_ast_vector Z3_API Z3_mk_ast_vector(Z3_context c)
Return an empty AST vector.

◆ __del__()

__del__ ( self)

Definition at line 5915 of file z3py.py.

5915 def __del__(self):
5916 if self.vector is not None and self.ctx.ref() is not None and Z3_ast_vector_dec_ref is not None:
5917 Z3_ast_vector_dec_ref(self.ctx.ref(), self.vector)
5918
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__()

__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 6002 of file z3py.py.

6002 def __contains__(self, item):
6003 """Return `True` if the vector contains `item`.
6004
6005 >>> x = Int('x')
6006 >>> A = AstVector()
6007 >>> x in A
6008 False
6009 >>> A.push(x)
6010 >>> x in A
6011 True
6012 >>> (x+1) in A
6013 False
6014 >>> A.push(x+1)
6015 >>> (x+1) in A
6016 True
6017 >>> A
6018 [x, x + 1]
6019 """
6020 for elem in self:
6021 if elem.eq(item):
6022 return True
6023 return False
6024

◆ __copy__()

__copy__ ( self)

Definition at line 6041 of file z3py.py.

6041 def __copy__(self):
6042 return self.translate(self.ctx)
6043

◆ __deepcopy__()

__deepcopy__ ( self,
memo = {} )

Definition at line 6044 of file z3py.py.

6044 def __deepcopy__(self, memo={}):
6045 return self.translate(self.ctx)
6046

◆ __getitem__()

__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 5932 of file z3py.py.

5932 def __getitem__(self, i):
5933 """Return the AST at position `i`.
5934
5935 >>> A = AstVector()
5936 >>> A.push(Int('x') + 1)
5937 >>> A.push(Int('y'))
5938 >>> A[0]
5939 x + 1
5940 >>> A[1]
5941 y
5942 """
5943
5944 if isinstance(i, int):
5945 if i < 0:
5946 i += self.__len__()
5947
5948 if i >= self.__len__():
5949 raise IndexError
5950 return _to_ast_ref(Z3_ast_vector_get(self.ctx.ref(), self.vector, i), self.ctx)
5951
5952 elif isinstance(i, slice):
5953 result = []
5954 for ii in range(*i.indices(self.__len__())):
5955 result.append(_to_ast_ref(
5956 Z3_ast_vector_get(self.ctx.ref(), self.vector, ii),
5957 self.ctx,
5958 ))
5959 return result
5960
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__()

__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 5919 of file z3py.py.

5919 def __len__(self):
5920 """Return the size of the vector `self`.
5921
5922 >>> A = AstVector()
5923 >>> len(A)
5924 0
5925 >>> A.push(Int('x'))
5926 >>> A.push(Int('x'))
5927 >>> len(A)
5928 2
5929 """
5930 return int(Z3_ast_vector_size(self.ctx.ref(), self.vector))
5931
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__()

__repr__ ( self)

Definition at line 6047 of file z3py.py.

6047 def __repr__(self):
6048 return obj_to_string(self)
6049

◆ __setitem__()

__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 5961 of file z3py.py.

5961 def __setitem__(self, i, v):
5962 """Update AST at position `i`.
5963
5964 >>> A = AstVector()
5965 >>> A.push(Int('x') + 1)
5966 >>> A.push(Int('y'))
5967 >>> A[0]
5968 x + 1
5969 >>> A[0] = Int('x')
5970 >>> A[0]
5971 x
5972 """
5973 if i >= self.__len__():
5974 raise IndexError
5975 Z3_ast_vector_set(self.ctx.ref(), self.vector, i, v.as_ast())
5976
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()

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 5977 of file z3py.py.

5977 def push(self, v):
5978 """Add `v` in the end of the vector.
5979
5980 >>> A = AstVector()
5981 >>> len(A)
5982 0
5983 >>> A.push(Int('x'))
5984 >>> len(A)
5985 1
5986 """
5987 Z3_ast_vector_push(self.ctx.ref(), self.vector, v.as_ast())
5988
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.

Referenced by Solver.__enter__().

◆ resize()

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 5989 of file z3py.py.

5989 def resize(self, sz):
5990 """Resize the vector to `sz` elements.
5991
5992 >>> A = AstVector()
5993 >>> A.resize(10)
5994 >>> len(A)
5995 10
5996 >>> for i in range(10): A[i] = Int('x')
5997 >>> A[5]
5998 x
5999 """
6000 Z3_ast_vector_resize(self.ctx.ref(), self.vector, sz)
6001
void Z3_API Z3_ast_vector_resize(Z3_context c, Z3_ast_vector v, unsigned n)
Resize the AST vector v.

◆ sexpr()

sexpr ( self)
Return a textual representation of the s-expression representing the vector.

Definition at line 6050 of file z3py.py.

6050 def sexpr(self):
6051 """Return a textual representation of the s-expression representing the vector."""
6052 return Z3_ast_vector_to_string(self.ctx.ref(), self.vector)
6053
Z3_string Z3_API Z3_ast_vector_to_string(Z3_context c, Z3_ast_vector v)
Convert AST vector into a string.

◆ translate()

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 6025 of file z3py.py.

6025 def translate(self, other_ctx):
6026 """Copy vector `self` to context `other_ctx`.
6027
6028 >>> x = Int('x')
6029 >>> A = AstVector()
6030 >>> A.push(x)
6031 >>> c2 = Context()
6032 >>> B = A.translate(c2)
6033 >>> B
6034 [x]
6035 """
6036 return AstVector(
6037 Z3_ast_vector_translate(self.ctx.ref(), self.vector, other_ctx.ref()),
6038 ctx=other_ctx,
6039 )
6040
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__(), AstVector.__copy__(), FuncInterp.__copy__(), Goal.__copy__(), ModelRef.__copy__(), AstVector.__deepcopy__(), FuncInterp.__deepcopy__(), Goal.__deepcopy__(), and ModelRef.__deepcopy__().

Field Documentation

◆ ctx

ctx = _get_ctx(ctx)

Definition at line 5907 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().

◆ vector