def get_instance(self, params, to_clauses=True):
defn = self.defn
if len(params) != len(defn.args[0].args):
raise IndexError
subst = dict((x.rep, y.rep) for x, y in zip(defn.args[0].args, params))
ast = ivy_ast.ast_rewrite(defn.args[1], ivy_ast.AstRewriteSubstPrefix(subst, None))
# print "get_instance ast = {}".format(ast)
fmla = ast.compile_with_sort_inference()
# print "get_instance fmla = {}".format(fmla)
return formula_to_clauses(fmla) if to_clauses else fmla
def get_instance(self,params,to_clauses=True):
defn = self.defn
if len(params) != len(defn.args[0].args):
raise IndexError
subst = dict((x.rep,y.rep) for x,y in zip(defn.args[0].args,params))
ast = ivy_ast.ast_rewrite(defn.args[1],ivy_ast.AstRewriteSubstPrefix(subst,None))
# print "get_instance ast = {}".format(ast)
fmla = ast.compile_with_sort_inference()
# print "get_instance fmla = {}".format(fmla)
return formula_to_clauses(fmla) if to_clauses else fmla
def instantiate_macro(inst,defns):
if inst.relname in defns:
defn = defns[inst.relname]
aparams = inst.args
fparams = defn.args[0].args
if len(aparams) != len(fparams):
raise IvyError(inst,"wrong number of parameters");
subst = dict((x.rep,y) for x,y in zip(fparams,aparams))
# print "subst: {!r}".format(subst)
psubst = dict((x.rep,y.rep) for x,y in zip(fparams,aparams)
if (isinstance(y,ivy_ast.App) or isinstance(y,ivy_ast.Atom)) and
len(y.args) == 0)
return ivy_ast.ast_rewrite(defn.args[1],ivy_ast.AstRewriteSubstConstantsParams(subst,psubst))
return None
def instantiate_macro(inst,defns):
if inst.relname in defns:
defn = defns[inst.relname]
aparams = inst.args
fparams = defn.args[0].args
if len(aparams) != len(fparams):
raise IvyError(inst,"wrong number of parameters");
subst = dict((x.rep,y) for x,y in zip(fparams,aparams))
# print "subst: {!r}".format(subst)
psubst = dict((x.rep,y.rep) for x,y in zip(fparams,aparams)
if (isinstance(y,ivy_ast.App) or isinstance(y,ivy_ast.Atom)) and
len(y.args) == 0)
return ivy_ast.ast_rewrite(defn.args[1],ivy_ast.AstRewriteSubstConstantsParams(subst,psubst))
return None