Public Member Functions | |
def | __init__ |
def | __del__ |
def | __str__ |
def | __repr__ |
def | sexpr |
def | as_ast |
def | get_id |
def | ctx_ref |
def | eq |
def | translate |
def | hash |
Data Fields | |
ast | |
ctx |
AST are Direct Acyclic Graphs (DAGs) used to represent sorts, declarations and expressions.
def __init__ | ( | self, | |
ast, | |||
ctx = None |
|||
) |
def __del__ | ( | self | ) |
def __repr__ | ( | self | ) |
def __str__ | ( | self | ) |
def as_ast | ( | self | ) |
Return a pointer to the corresponding C Z3_ast object.
Reimplemented in QuantifierRef, PatternRef, ExprRef, FuncDeclRef, and SortRef.
Definition at line 296 of file z3py.py.
Referenced by AstRef.__del__(), ExprRef.arg(), ExprRef.decl(), AstRef.eq(), AstRef.get_id(), SortRef.get_id(), FuncDeclRef.get_id(), ExprRef.get_id(), AstRef.hash(), ExprRef.num_args(), AstRef.sexpr(), ExprRef.sort(), BoolRef.sort(), and AstRef.translate().
def ctx_ref | ( | self | ) |
Return a reference to the C context where this AST node is stored.
Definition at line 305 of file z3py.py.
Referenced by FuncDeclRef.__call__(), SortRef.__eq__(), ExprRef.__eq__(), SortRef.__ne__(), ExprRef.__ne__(), ExprRef.arg(), FuncDeclRef.arity(), SortRef.as_ast(), FuncDeclRef.as_ast(), ExprRef.decl(), FuncDeclRef.domain(), AstRef.eq(), AstRef.get_id(), SortRef.get_id(), FuncDeclRef.get_id(), ExprRef.get_id(), AstRef.hash(), FuncDeclRef.kind(), SortRef.name(), FuncDeclRef.name(), ExprRef.num_args(), FuncDeclRef.range(), AstRef.sexpr(), and BoolRef.sort().
def eq | ( | self, | |
other | |||
) |
Return `True` if `self` and `other` are structurally identical. >>> x = Int('x') >>> n1 = x + 1 >>> n2 = 1 + x >>> n1.eq(n2) False >>> n1 = simplify(n1) >>> n2 = simplify(n2) >>> n1.eq(n2) True
Definition at line 309 of file z3py.py.
Referenced by SortRef.cast(), and BoolSortRef.cast().
00309 00310 def eq(self, other): 00311 """Return `True` if `self` and `other` are structurally identical. 00312 00313 >>> x = Int('x') 00314 >>> n1 = x + 1 00315 >>> n2 = 1 + x 00316 >>> n1.eq(n2) 00317 False 00318 >>> n1 = simplify(n1) 00319 >>> n2 = simplify(n2) 00320 >>> n1.eq(n2) 00321 True 00322 """ 00323 if __debug__: 00324 _z3_assert(is_ast(other), "Z3 AST expected") 00325 return Z3_is_eq_ast(self.ctx_ref(), self.as_ast(), other.as_ast())
def get_id | ( | self | ) |
Return unique identifier for object. It can be used for hash-tables and maps.
Reimplemented in QuantifierRef, PatternRef, ExprRef, FuncDeclRef, and SortRef.
Definition at line 300 of file z3py.py.
00300 00301 def get_id(self): 00302 """Return unique identifier for object. It can be used for hash-tables and maps.""" 00303 return Z3_get_ast_id(self.ctx_ref(), self.as_ast()) 00304
def hash | ( | self | ) |
Return a hashcode for the `self`. >>> n1 = simplify(Int('x') + 1) >>> n2 = simplify(2 + Int('x') - 1) >>> n1.hash() == n2.hash() True
Definition at line 342 of file z3py.py.
00342 00343 def hash(self): 00344 """Return a hashcode for the `self`. 00345 00346 >>> n1 = simplify(Int('x') + 1) 00347 >>> n2 = simplify(2 + Int('x') - 1) 00348 >>> n1.hash() == n2.hash() 00349 True 00350 """ 00351 return Z3_get_ast_hash(self.ctx_ref(), self.as_ast())
def sexpr | ( | self | ) |
Return an string representing the AST node in s-expression notation. >>> x = Int('x') >>> ((x + 1)*x).sexpr() '(* (+ x 1) x)'
Definition at line 287 of file z3py.py.
Referenced by ArithRef.__div__(), BitVecRef.__div__(), BitVecRef.__ge__(), ArrayRef.__getitem__(), BitVecRef.__gt__(), BitVecRef.__le__(), BitVecRef.__lshift__(), BitVecRef.__lt__(), BitVecRef.__mod__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), Fixedpoint.__repr__(), BitVecRef.__rlshift__(), BitVecRef.__rmod__(), BitVecRef.__rrshift__(), BitVecRef.__rshift__(), and BitVecSortRef.cast().
00287 00288 def sexpr(self): 00289 """Return an string representing the AST node in s-expression notation. 00290 00291 >>> x = Int('x') 00292 >>> ((x + 1)*x).sexpr() 00293 '(* (+ x 1) x)' 00294 """ 00295 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
def translate | ( | self, | |
target | |||
) |
Translate `self` to the context `target`. That is, return a copy of `self` in the context `target`. >>> c1 = Context() >>> c2 = Context() >>> x = Int('x', c1) >>> y = Int('y', c2) >>> # Nodes in different contexts can't be mixed. >>> # However, we can translate nodes from one context to another. >>> x.translate(c2) + y x + y
Definition at line 326 of file z3py.py.
00326 00327 def translate(self, target): 00328 """Translate `self` to the context `target`. That is, return a copy of `self` in the context `target`. 00329 00330 >>> c1 = Context() 00331 >>> c2 = Context() 00332 >>> x = Int('x', c1) 00333 >>> y = Int('y', c2) 00334 >>> # Nodes in different contexts can't be mixed. 00335 >>> # However, we can translate nodes from one context to another. 00336 >>> x.translate(c2) + y 00337 x + y 00338 """ 00339 if __debug__: 00340 _z3_assert(isinstance(target, Context), "argument must be a Z3 context") 00341 return _to_ast_ref(Z3_translate(self.ctx.ref(), self.as_ast(), target.ref()), target)
Definition at line 273 of file z3py.py.
Referenced by FuncDeclRef::__call__(), SortRef::__eq__(), SortRef::__ne__(), FuncDeclRef::arity(), AstRef::as_ast(), SortRef::as_ast(), FuncDeclRef::as_ast(), ExprRef::as_ast(), FuncDeclRef::as_func_decl(), FuncDeclRef::domain(), SortRef::kind(), FuncDeclRef::kind(), SortRef::name(), FuncDeclRef::name(), and FuncDeclRef::range().
Reimplemented in BitVecSortRef, and ArithSortRef.
Definition at line 273 of file z3py.py.
Referenced by FuncDeclRef.__call__(), ExprRef.__eq__(), Probe.__eq__(), Probe.__ge__(), ApplyResult.__getitem__(), Probe.__gt__(), Probe.__le__(), Probe.__lt__(), ExprRef.__ne__(), Probe.__ne__(), Fixedpoint.add_rule(), Tactic.apply(), ExprRef.arg(), ApplyResult.as_expr(), Fixedpoint.assert_exprs(), BoolSortRef.cast(), ApplyResult.convert_model(), ExprRef.decl(), FuncDeclRef.domain(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), Fixedpoint.get_rules(), SortRef.kind(), SortRef.name(), FuncDeclRef.name(), Fixedpoint.param_descrs(), Tactic.param_descrs(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), FuncDeclRef.range(), Fixedpoint.set(), Tactic.solver(), ExprRef.sort(), BoolRef.sort(), Fixedpoint.statistics(), Solver.to_smt2(), and Fixedpoint.update_rule().