def enter_package(self, package: str) -> Package:
symbol = self.__symbols.get(package)
if isinstance(symbol, Package):
return symbol
elif not symbol:
owner = self.enter_package(package[:package.rfind('.')] if '.' in
package else '')
symbol = Package(package, owner)
owner.put(symbol)
self.__symbols[package] = symbol
return symbol
else:
raise CompileException(
"Expect package symbol, but it is {}".format(symbol))
from ast import Package, Primitive
ROOT_PACKAGE = Package('')
PLAY_PACKAGE = Package('play', ROOT_PACKAGE)
ROOT_PACKAGE.children['play'] = PLAY_PACKAGE
BOOLEAN_TYPE = Primitive("boolean")
BYTE_TYPE = Primitive("byte")
SHORT_TYPE = Primitive("short")
INT_TYPE = Primitive("int")
LONG_TYPE = Primitive("long")
FLOAT_TYPE = Primitive("float")
DOUBLE_TYPE = Primitive("double")
NULL_TYPE = Primitive('null')
INTEGER_NUMBERS = [BYTE_TYPE, SHORT_TYPE, INT_TYPE, LONG_TYPE]
REAL_NUMBERS = [FLOAT_TYPE, DOUBLE_TYPE]
NUMBERS = INTEGER_NUMBERS + REAL_NUMBERS
PRIMITIVES = NUMBERS + [BOOLEAN_TYPE]
BOX_CASTS = {
'boolean': 'play.Boolean',
'byte': 'play.Byte',
'short': 'play.Short',
'int': 'play.Int',
'long': 'play.Long',
'float': 'play.Float',
'double': 'play.Double',
'play.Boolean': 'boolean',
'play.Byte': 'byte',
'play.Short': 'short',