def switchcase(self):
self.ignore(whitespace)
self.nextmust('switch')
self.ignore(whitespace)
varn = self.varvalu()
self.ignore(whitespace)
self.nextmust('{')
kids = [varn]
while self.more():
self.ignorespace()
if self.nextstr('}'):
self.offs += 1
break
if self.nextstr('*'):
self.offs += 1
self.ignore(whitespace)
self.nextmust(':')
subq = self.subquery()
cent = s_ast.CaseEntry(kids=[subq])
kids.append(cent)
continue
valu = self.casevalu()
if not isinstance(valu, s_ast.Const):
self._raiseSyntaxError('Switch case syntax only supports const values.')
self.ignorespace()
subq = self.subquery()
cent = s_ast.CaseEntry(kids=[valu, subq])
kids.append(cent)
return s_ast.SwitchCase(kids=kids)
def switchcase(self, kids):
newkids = []
it = iter(kids)
varvalu = next(it)
newkids.append(varvalu)
for casekid, sqkid in zip(it, it):
subquery = self._convert_child(sqkid)
if casekid.type == 'DEFAULTCASE':
caseentry = s_ast.CaseEntry(kids=[subquery])
else:
casekid = self._convert_child(casekid)
caseentry = s_ast.CaseEntry(kids=[casekid, subquery])
newkids.append(caseentry)
return s_ast.SwitchCase(newkids)