def varvalu(self):
'''
$foo
$foo.bar
$foo.bar()
$foo[0]
$foo.bar(10)
'''
self.ignore(whitespace)
varn = self.varname()
varv = s_ast.VarValue(kids=[varn])
# handle derefs and calls...
while self.more():
if self.nextstr('.'):
varv = self.varderef(varv)
continue
if self.nextstr('('):
varv = self.varcall(varv)
continue
#if self.nextstr('['):
#varv = self.varslice(varv)
break
return varv
def varderef(self, kids):
assert kids and len(kids) == 2
newkid = kids[1]
if newkid[0] == '$':
tokencls = terminalClassMap.get(newkid.type, s_ast.Const)
newkid = s_ast.VarValue(kids=[tokencls(newkid[1:])])
else:
newkid = self._convert_child(kids[1])
return s_ast.VarDeref(kids=(kids[0], newkid))
def _tagsplit(cls, tag):
if '$' not in tag:
return [s_ast.Const(tag)]
segs = tag.split('.')
kids = [
s_ast.VarValue(kids=[s_ast.Const(seg[1:])])
if seg[0] == '$' else s_ast.Const(seg) for seg in segs
]
return kids
