AstMap Class Reference

Public Member Functions
	__init__ (self, m=None, ctx=None)
	__deepcopy__ (self, memo={})
	__del__ (self)
	__len__ (self)
	__contains__ (self, key)
	__getitem__ (self, key)
	__setitem__ (self, k, v)
	__repr__ (self)
	erase (self, k)
	reset (self)
	keys (self)

Data Fields
	map = None
	ctx = _get_ctx(ctx)

Detailed Description

A mapping from ASTs to ASTs.

Definition at line 6631 of file z3py.py.

Constructor & Destructor Documentation

__init__()

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

Definition at line 6634 of file z3py.py.

    def __init__(self, m=None, ctx=None):
        self.map = None
        if m is None:
            self.ctx = _get_ctx(ctx)
            self.map = Z3_mk_ast_map(self.ctx.ref())
        else:
            self.map = m
            assert ctx is not None
            self.ctx = ctx
        Z3_ast_map_inc_ref(self.ctx.ref(), self.map)
 

__del__()

__del__

(

self

)

Definition at line 6648 of file z3py.py.

    def __del__(self):
        if self.map is not None and self.ctx.ref() is not None and Z3_ast_map_dec_ref is not None:
            Z3_ast_map_dec_ref(self.ctx.ref(), self.map)
 

Member Function Documentation

__contains__()

__contains__	(		self,
			key )

Return `True` if the map contains key `key`.

>>> M = AstMap()
>>> x = Int('x')
>>> M[x] = x + 1
>>> x in M
True
>>> x+1 in M
False

Definition at line 6665 of file z3py.py.

    def __contains__(self, key):
        """Return `True` if the map contains key `key`.
 
        >>> M = AstMap()
        >>> x = Int('x')
        >>> M[x] = x + 1
        >>> x in M
        True
        >>> x+1 in M
        False
        """
        return Z3_ast_map_contains(self.ctx.ref(), self.map, key.as_ast())
 

__deepcopy__()

__deepcopy__	(		self,
			memo = {} )

Definition at line 6645 of file z3py.py.

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

__getitem__()

__getitem__	(		self,
			key )

Retrieve the value associated with key `key`.

>>> M = AstMap()
>>> x = Int('x')
>>> M[x] = x + 1
>>> M[x]
x + 1

Definition at line 6678 of file z3py.py.

    def __getitem__(self, key):
        """Retrieve the value associated with key `key`.
 
        >>> M = AstMap()
        >>> x = Int('x')
        >>> M[x] = x + 1
        >>> M[x]
        x + 1
        """
        return _to_ast_ref(Z3_ast_map_find(self.ctx.ref(), self.map, key.as_ast()), self.ctx)
 

__len__()

__len__

(

self

)

Return the size of the map.

>>> M = AstMap()
>>> len(M)
0
>>> x = Int('x')
>>> M[x] = IntVal(1)
>>> len(M)
1

Definition at line 6652 of file z3py.py.

    def __len__(self):
        """Return the size of the map.
 
        >>> M = AstMap()
        >>> len(M)
        0
        >>> x = Int('x')
        >>> M[x] = IntVal(1)
        >>> len(M)
        1
        """
        return int(Z3_ast_map_size(self.ctx.ref(), self.map))
 

__repr__()

__repr__

(

self

)

Definition at line 6705 of file z3py.py.

    def __repr__(self):
        return Z3_ast_map_to_string(self.ctx.ref(), self.map)
 

__setitem__()

__setitem__	(		self,
			k,
			v )

Add/Update key `k` with value `v`.

>>> M = AstMap()
>>> x = Int('x')
>>> M[x] = x + 1
>>> len(M)
1
>>> M[x]
x + 1
>>> M[x] = IntVal(1)
>>> M[x]
1

Definition at line 6689 of file z3py.py.

    def __setitem__(self, k, v):
        """Add/Update key `k` with value `v`.
 
        >>> M = AstMap()
        >>> x = Int('x')
        >>> M[x] = x + 1
        >>> len(M)
        1
        >>> M[x]
        x + 1
        >>> M[x] = IntVal(1)
        >>> M[x]
        1
        """
        Z3_ast_map_insert(self.ctx.ref(), self.map, k.as_ast(), v.as_ast())
 

erase()

erase	(		self,
			k )

Remove the entry associated with key `k`.

>>> M = AstMap()
>>> x = Int('x')
>>> M[x] = x + 1
>>> len(M)
1
>>> M.erase(x)
>>> len(M)
0

Definition at line 6708 of file z3py.py.

    def erase(self, k):
        """Remove the entry associated with key `k`.
 
        >>> M = AstMap()
        >>> x = Int('x')
        >>> M[x] = x + 1
        >>> len(M)
        1
        >>> M.erase(x)
        >>> len(M)
        0
        """
        Z3_ast_map_erase(self.ctx.ref(), self.map, k.as_ast())
 

keys()

keys

(

self

)

Return an AstVector containing all keys in the map.

>>> M = AstMap()
>>> x = Int('x')
>>> M[x]   = x + 1
>>> M[x+x] = IntVal(1)
>>> M.keys()
[x + x, x]

Definition at line 6737 of file z3py.py.

    def keys(self):
        """Return an AstVector containing all keys in the map.
 
        >>> M = AstMap()
        >>> x = Int('x')
        >>> M[x]   = x + 1
        >>> M[x+x] = IntVal(1)
        >>> M.keys()
        [x + x, x]
        """
        return AstVector(Z3_ast_map_keys(self.ctx.ref(), self.map), self.ctx)
 

reset()

reset

(

self

)

Remove all entries from the map.

>>> M = AstMap()
>>> x = Int('x')
>>> M[x]   = x + 1
>>> M[x+x] = IntVal(1)
>>> len(M)
2
>>> M.reset()
>>> len(M)
0

Definition at line 6722 of file z3py.py.

    def reset(self):
        """Remove all entries from the map.
 
        >>> M = AstMap()
        >>> x = Int('x')
        >>> M[x]   = x + 1
        >>> M[x+x] = IntVal(1)
        >>> len(M)
        2
        >>> M.reset()
        >>> len(M)
        0
        """
        Z3_ast_map_reset(self.ctx.ref(), self.map)
 

Field Documentation

ctx

ctx = _get_ctx(ctx)

Definition at line 6637 of file z3py.py.

Referenced by __contains__(), FuncInterp.__copy__(), ModelRef.__copy__(), __deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), Statistics.__deepcopy__(), __del__(), FuncEntry.__del__(), FuncInterp.__del__(), ModelRef.__del__(), Solver.__del__(), Statistics.__del__(), __getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), __len__(), ModelRef.__len__(), Statistics.__len__(), __repr__(), Statistics.__repr__(), __setitem__(), FuncEntry.arg_value(), FuncInterp.arity(), Solver.assert_and_track(), Solver.assert_exprs(), Solver.check(), ModelRef.decls(), FuncInterp.else_value(), FuncInterp.entry(), erase(), ModelRef.eval(), ModelRef.get_interp(), Statistics.get_key_value(), ModelRef.get_sort(), ModelRef.get_universe(), keys(), Statistics.keys(), Solver.model(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), Solver.pop(), ModelRef.project(), ModelRef.project_with_witness(), Solver.push(), reset(), Solver.reset(), Solver.set(), ModelRef.sexpr(), ModelRef.translate(), and FuncEntry.value().

map

map = None

Definition at line 6635 of file z3py.py.

Referenced by __contains__(), __deepcopy__(), __del__(), __getitem__(), __len__(), __repr__(), __setitem__(), erase(), keys(), and reset().