def gen_cast_expr(info, node, method_obj):
end_lbl = info.get_jump_label()
output = ["; START gen_cast_expr"]
output.extend(gen_expr(info, node[1], method_obj))
if primitives.is_primitive(node[1].typ):
return output
# check null
output.append("cmp eax, 0")
output.append("je %s" % end_lbl)
output.append("push eax")
canon = node[0].canon
output.extend(util.gen_assignability_check(info, canon))
output.append("cmp eax, 0")
output.append("je __exception")
output.append("pop eax")
output.append(end_lbl + ":")
output.append("; END gen_creation_expr_array")
return output
def gen_instanceof_expr(info, node, method_obj):
end_lbl = info.get_jump_label()
output = ["; gen_instanceof_expr"]
output.extend(gen_expr(info, node[0], method_obj))
# check null
output.append("cmp eax, 0")
output.append("je %s" % end_lbl)
canon = node[1].canon
output.extend(util.gen_assignability_check(info, canon))
output.append(end_lbl + ":")
return output
