本文整理汇总了Python中incoq.compiler.incast.L.is_tuple_of_names方法的典型用法代码示例。如果您正苦于以下问题：Python L.is_tuple_of_names方法的具体用法？Python L.is_tuple_of_names怎么用？Python L.is_tuple_of_names使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类incoq.compiler.incast.L的用法示例。
在下文中一共展示了L.is_tuple_of_names方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: visit_DictLookup
# 需要导入模块: from incoq.compiler.incast import L [as 别名]
# 或者: from incoq.compiler.incast.L import is_tuple_of_names [as 别名]
def visit_DictLookup(self, node):
node = self.generic_visit(node)
# Only simple map lookups are allowed.
assert isinstance(node.value, L.Name)
assert L.is_tuple_of_names(node.key)
assert node.default is None
map = node.value.id
keyvars = L.detuplify(node.key)
var = self.repls.get(node, None)
if var is None:
mask = L.mapmask_from_len(len(keyvars))
rel = N.SA_name(map, mask)
# Create a fresh variable.
self.repls[node] = var = next(self.fresh_names)
# Construct a clause to bind it.
vars = list(keyvars) + [var]
new_clause = L.SetFromMapMember(vars, rel, map, mask)
self.new_clauses.append(new_clause)
# Construct a corresponding SetFromMap invariant.
sfm = SetFromMapInvariant(rel, map, mask)
self.sfm_invs.add(sfm)
return L.Name(var)示例2: visit_Member
# 需要导入模块: from incoq.compiler.incast import L [as 别名]
# 或者: from incoq.compiler.incast.L import is_tuple_of_names [as 别名]
def visit_Member(self, node):
# For clauses that wrap around another clause, like
# WithoutMember, reorient the target and iter before recursing.
handled = False
# <target> in <expr> - {<elem>}
if (isinstance(node.iter, L.BinOp) and
isinstance(node.iter.op, L.Sub) and
isinstance(node.iter.right, L.Set) and
len(node.iter.right.elts) == 1):
inner_clause = L.Member(node.target, node.iter.left)
node = L.WithoutMember(inner_clause, node.iter.right.elts[0])
handled = True
node = self.generic_visit(node)
if handled:
return node
# <vars> in {<elem>}
if (L.is_tuple_of_names(node.target) and
isinstance(node.iter, L.Set) and
len(node.iter.elts) == 1):
return L.SingMember(L.detuplify(node.target),
node.iter.elts[0])
return node示例3: visit_Member
# 需要导入模块: from incoq.compiler.incast import L [as 别名]
# 或者: from incoq.compiler.incast.L import is_tuple_of_names [as 别名]
def visit_Member(self, node):
node = self.generic_visit(node)
if (L.is_tuple_of_names(node.target) and
isinstance(node.iter, L.Query)):
node = L.VarsMember(L.detuplify(node.target), node.iter)
return node示例4: Tuple_helper
# 需要导入模块: from incoq.compiler.incast import L [as 别名]
# 或者: from incoq.compiler.incast.L import is_tuple_of_names [as 别名]
def Tuple_helper(self, node):
if not L.is_tuple_of_names(node):
raise L.ProgramError('Non-simple tuple expression: {}'
.format(node))
elts = L.detuplify(node)
name = self.tuple_namer(elts)
clause = L.TUPMember(name, elts)
self.objrels.TUPs.append(len(elts))
self.after_clauses.insert(0, clause)
return name