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	__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 4984 of file z3py.py.

Constructor & Destructor Documentation

__init__()

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

Definition at line 4987 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)

__del__()

def __del__

(

self

)

Definition at line 4998 of file z3py.py.

    def __del__(self):
        if self.vector is not None and self.ctx.ref() is not None:
            Z3_ast_vector_dec_ref(self.ctx.ref(), self.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 5071 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

__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 5015 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 i >= self.__len__():
            raise IndexError
        return _to_ast_ref(Z3_ast_vector_get(self.ctx.ref(), self.vector, i), self.ctx)

__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 5002 of file z3py.py.

    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))

__repr__()

def __repr__

(

self

)

Definition at line 5107 of file z3py.py.

    def __repr__(self):
        return obj_to_string(self)

__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 5030 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 >= self.__len__():
            raise IndexError
        Z3_ast_vector_set(self.ctx.ref(), self.vector, i, v.as_ast())

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 5046 of file z3py.py.

    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())

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 5058 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)

sexpr()

def sexpr

(

self

)

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

Definition at line 5110 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)

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 5094 of file z3py.py.

    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()), other_ctx)

Field Documentation

ctx

ctx

Definition at line 4990 of file z3py.py.

Referenced by Probe.__call__(), Fixedpoint.__del__(), Optimize.__del__(), ApplyResult.__del__(), Tactic.__del__(), Probe.__del__(), Probe.__eq__(), Probe.__ge__(), ApplyResult.__getitem__(), Probe.__gt__(), Probe.__le__(), ApplyResult.__len__(), Probe.__lt__(), Probe.__ne__(), Fixedpoint.add_cover(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), ApplyResult.as_expr(), Fixedpoint.assert_exprs(), Optimize.assert_exprs(), Optimize.assertions(), Optimize.check(), ApplyResult.convert_model(), Optimize.from_file(), Optimize.from_string(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), Fixedpoint.get_num_levels(), Fixedpoint.get_rules(), Fixedpoint.help(), Optimize.help(), Tactic.help(), Optimize.maximize(), Optimize.minimize(), Optimize.model(), Optimize.objectives(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Tactic.param_descrs(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), Fixedpoint.pop(), Optimize.pop(), Fixedpoint.push(), Optimize.push(), Fixedpoint.query(), Fixedpoint.reason_unknown(), Optimize.reason_unknown(), Fixedpoint.register_relation(), Fixedpoint.set(), Optimize.set(), Fixedpoint.set_predicate_representation(), Fixedpoint.sexpr(), Optimize.sexpr(), ApplyResult.sexpr(), Tactic.solver(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Fixedpoint.to_string(), and Fixedpoint.update_rule().

vector

vector

Definition at line 4988 of file z3py.py.