import sys
from utils.node import Node
from utils.node import ASTNode
from utils import logging
__typ_node = ASTNode('Type', None, [ASTNode('PrimitiveType', None,
[ASTNode('Int')])])
__typ_node.canon = 'Int'
array_length_node = ASTNode("FakeFieldDeclaration", None,
[ASTNode('Modifiers'), __typ_node, ASTNode('Identifier'),
ASTNode('Initializer')])
primitive_types = ['Int', 'Short', 'Char', 'Byte', 'Boolean', 'Null', 'Void']
def is_primitive(canon_type):
return canon_type in primitive_types
def is_numeric(canon_type):
return canon_type in ['Int', 'Short', 'Char', 'Byte']
def is_reference(canon_type):
return not (is_primitive(canon_type)) and isinstance(canon_type, str)
def is_widening_conversion(type1, type2):
if type1 == type2:
return True
elif type2 == 'Byte':
return type1 == 'Short' or type1 == 'Int'
elif type2 == 'Short':
