def com_comp_iter(self, node):
assert node[0] == symbol.comp_iter
return node[1]
python类comp_iter()的实例源码
def com_generator_expression(self, expr, node):
# comp_iter: comp_for | comp_if
# comp_for: 'for' exprlist 'in' test [comp_iter]
# comp_if: 'if' test [comp_iter]
lineno = node[1][2]
fors = []
while node:
t = node[1][1]
if t == 'for':
assignNode = self.com_assign(node[2], OP_ASSIGN)
genNode = self.com_node(node[4])
newfor = GenExprFor(assignNode, genNode, [],
lineno=node[1][2])
fors.append(newfor)
if (len(node)) == 5:
node = None
else:
node = self.com_comp_iter(node[5])
elif t == 'if':
test = self.com_node(node[2])
newif = GenExprIf(test, lineno=node[1][2])
newfor.ifs.append(newif)
if len(node) == 3:
node = None
else:
node = self.com_comp_iter(node[3])
else:
raise SyntaxError, \
("unexpected generator expression element: %s %d"
% (node, lineno))
fors[0].is_outmost = True
return GenExpr(GenExprInner(expr, fors), lineno=lineno)
def com_comp_iter(self, node):
assert node[0] == symbol.comp_iter
return node[1]
def com_generator_expression(self, expr, node):
# comp_iter: comp_for | comp_if
# comp_for: 'for' exprlist 'in' test [comp_iter]
# comp_if: 'if' test [comp_iter]
lineno = node[1][2]
fors = []
while node:
t = node[1][1]
if t == 'for':
assignNode = self.com_assign(node[2], OP_ASSIGN)
genNode = self.com_node(node[4])
newfor = GenExprFor(assignNode, genNode, [],
lineno=node[1][2])
fors.append(newfor)
if (len(node)) == 5:
node = None
else:
node = self.com_comp_iter(node[5])
elif t == 'if':
test = self.com_node(node[2])
newif = GenExprIf(test, lineno=node[1][2])
newfor.ifs.append(newif)
if len(node) == 3:
node = None
else:
node = self.com_comp_iter(node[3])
else:
raise SyntaxError, \
("unexpected generator expression element: %s %d"
% (node, lineno))
fors[0].is_outmost = True
return GenExpr(GenExprInner(expr, fors), lineno=lineno)
def com_comp_iter(self, node):
assert node[0] == symbol.comp_iter
return node[1]
def com_generator_expression(self, expr, node):
# comp_iter: comp_for | comp_if
# comp_for: 'for' exprlist 'in' test [comp_iter]
# comp_if: 'if' test [comp_iter]
lineno = node[1][2]
fors = []
while node:
t = node[1][1]
if t == 'for':
assignNode = self.com_assign(node[2], OP_ASSIGN)
genNode = self.com_node(node[4])
newfor = GenExprFor(assignNode, genNode, [],
lineno=node[1][2])
fors.append(newfor)
if (len(node)) == 5:
node = None
else:
node = self.com_comp_iter(node[5])
elif t == 'if':
test = self.com_node(node[2])
newif = GenExprIf(test, lineno=node[1][2])
newfor.ifs.append(newif)
if len(node) == 3:
node = None
else:
node = self.com_comp_iter(node[3])
else:
raise SyntaxError, \
("unexpected generator expression element: %s %d"
% (node, lineno))
fors[0].is_outmost = True
return GenExpr(GenExprInner(expr, fors), lineno=lineno)
def com_comp_iter(self, node):
assert node[0] == symbol.comp_iter
return node[1]
def com_generator_expression(self, expr, node):
# comp_iter: comp_for | comp_if
# comp_for: 'for' exprlist 'in' test [comp_iter]
# comp_if: 'if' test [comp_iter]
lineno = node[1][2]
fors = []
while node:
t = node[1][1]
if t == 'for':
assignNode = self.com_assign(node[2], OP_ASSIGN)
genNode = self.com_node(node[4])
newfor = GenExprFor(assignNode, genNode, [],
lineno=node[1][2])
fors.append(newfor)
if (len(node)) == 5:
node = None
else:
node = self.com_comp_iter(node[5])
elif t == 'if':
test = self.com_node(node[2])
newif = GenExprIf(test, lineno=node[1][2])
newfor.ifs.append(newif)
if len(node) == 3:
node = None
else:
node = self.com_comp_iter(node[3])
else:
raise SyntaxError, \
("unexpected generator expression element: %s %d"
% (node, lineno))
fors[0].is_outmost = True
return GenExpr(GenExprInner(expr, fors), lineno=lineno)
def com_comp_iter(self, node):
assert node[0] == symbol.comp_iter
return node[1]
def com_generator_expression(self, expr, node):
# comp_iter: comp_for | comp_if
# comp_for: 'for' exprlist 'in' test [comp_iter]
# comp_if: 'if' test [comp_iter]
lineno = node[1][2]
fors = []
while node:
t = node[1][1]
if t == 'for':
assignNode = self.com_assign(node[2], OP_ASSIGN)
genNode = self.com_node(node[4])
newfor = GenExprFor(assignNode, genNode, [],
lineno=node[1][2])
fors.append(newfor)
if (len(node)) == 5:
node = None
else:
node = self.com_comp_iter(node[5])
elif t == 'if':
test = self.com_node(node[2])
newif = GenExprIf(test, lineno=node[1][2])
newfor.ifs.append(newif)
if len(node) == 3:
node = None
else:
node = self.com_comp_iter(node[3])
else:
raise SyntaxError, \
("unexpected generator expression element: %s %d"
% (node, lineno))
fors[0].is_outmost = True
return GenExpr(GenExprInner(expr, fors), lineno=lineno)
