AstVector Class Reference

Inheritance diagram for AstVector:

Public Member Functions
def	__init__
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__
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 6086 of file z3py.py.

Constructor & Destructor Documentation

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

Definition at line 6089 of file z3py.py.

    def __init__(self, v=None, ctx=None):
        self.vector = None
        if v is None:
            self.ctx = _get_ctx(ctx)
            self.vector = Z3_mk_ast_vector(self.ctx.ref())
        else:
            self.vector = v
            assert ctx is not None
            self.ctx = ctx
        Z3_ast_vector_inc_ref(self.ctx.ref(), self.vector)

def __del__

(

self

)

Definition at line 6100 of file z3py.py.

    def __del__(self):
        if self.vector is not None and self.ctx.ref() is not None and Z3_ast_vector_dec_ref is not None:
            Z3_ast_vector_dec_ref(self.ctx.ref(), self.vector)

Member Function Documentation

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 6189 of file z3py.py.

    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]
        """
        for elem in self:
            if elem.eq(item):
                return True
        return False

def __copy__

(

self

)

Definition at line 6228 of file z3py.py.

    def __copy__(self):
        return self.translate(self.ctx)

def __deepcopy__	(		self,
			memo = {}
	)

Definition at line 6231 of file z3py.py.

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

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 6117 of file z3py.py.

    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
        """

        if isinstance(i, int):
            if i < 0:
                i += self.__len__()

            if i >= self.__len__():
                raise IndexError
            return _to_ast_ref(Z3_ast_vector_get(self.ctx.ref(), self.vector, i), self.ctx)

        elif isinstance(i, slice):
            result = []
            for ii in range(*i.indices(self.__len__())):
                result.append(_to_ast_ref(
                    Z3_ast_vector_get(self.ctx.ref(), self.vector, ii),
                    self.ctx,
                ))
            return result

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 6104 of file z3py.py.

Referenced by AstVector.__getitem__().

    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
        """
        return int(Z3_ast_vector_size(self.ctx.ref(), self.vector))

def __repr__

(

self

)

Definition at line 6234 of file z3py.py.

    def __repr__(self):
        return obj_to_string(self)

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 6146 of file z3py.py.

    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
        """
        if i < 0:
            i += self.__len__()
        if i < 0 or i >= self.__len__():
            raise IndexError
        Z3_ast_vector_set(self.ctx.ref(), self.vector, i, v.as_ast())

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 6164 of file z3py.py.

Referenced by Optimize.__enter__().

    def push(self, v):
        """Add `v` in the end of the vector.

        >>> A = AstVector()
        >>> len(A)
        0
        >>> A.push(Int('x'))
        >>> len(A)
        1
        """
        Z3_ast_vector_push(self.ctx.ref(), self.vector, v.as_ast())

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 6176 of file z3py.py.

    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
        """
        Z3_ast_vector_resize(self.ctx.ref(), self.vector, sz)

def sexpr

(

self

)

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

Definition at line 6237 of file z3py.py.

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

    def sexpr(self):
        """Return a textual representation of the s-expression representing the vector."""
        return Z3_ast_vector_to_string(self.ctx.ref(), self.vector)

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 6212 of file z3py.py.

Referenced by AstVector.__copy__(), and AstVector.__deepcopy__().

    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]
        """
        return AstVector(
            Z3_ast_vector_translate(self.ctx.ref(), self.vector, other_ctx.ref()),
            ctx=other_ctx,
        )

Field Documentation

ctx

Definition at line 6092 of file z3py.py.

Referenced by AstVector.__copy__(), AstVector.__deepcopy__(), AstMap.__deepcopy__(), Fixedpoint.__deepcopy__(), Optimize.__deepcopy__(), ApplyResult.__deepcopy__(), Simplifier.__deepcopy__(), Tactic.__deepcopy__(), Probe.__deepcopy__(), Probe.__eq__(), Probe.__ge__(), AstVector.__getitem__(), AstMap.__getitem__(), ApplyResult.__getitem__(), Probe.__gt__(), Probe.__le__(), Probe.__lt__(), Probe.__ne__(), Simplifier.add(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), ApplyResult.as_expr(), Optimize.assert_and_track(), Fixedpoint.assert_exprs(), Optimize.assert_exprs(), Optimize.assertions(), ParserContext.from_string(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), Fixedpoint.get_ground_sat_answer(), Fixedpoint.get_rule_names_along_trace(), Fixedpoint.get_rules(), Fixedpoint.get_rules_along_trace(), AstMap.keys(), Optimize.model(), Optimize.objectives(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Simplifier.param_descrs(), Tactic.param_descrs(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), Fixedpoint.query(), Fixedpoint.set(), Optimize.set(), Optimize.set_on_model(), Tactic.solver(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Optimize.unsat_core(), Fixedpoint.update_rule(), and Simplifier.using_params().

vector

Definition at line 6090 of file z3py.py.

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