feat: restructured code

pjvm/mockimpl/__init__.py

@@ -0,0 +1,19 @@
+from .system import JMockSystemIn, JMockSystemOut, mock_inputstream_read, mock_printstream_println
+
+mock_static_objects = {
+    'java/lang/System': {
+        'out': JMockSystemOut(),
+        'in': JMockSystemIn()
+    }
+}
+
+mock_instance_methods = {
+    'java/io/PrintStream': {
+        'println': mock_printstream_println
+    },
+    'java/io/InputStream': {
+        'read': mock_inputstream_read
+    }
+}
+
+__all__ = ['mock_instance_methods', 'mock_static_objects']

pjvm/mockimpl/system.py

@@ -0,0 +1,31 @@
+"""
+In here the System module is partially implemented
+"""
+import sys
+from typing import List
+
+from ..old_jtypes import JObj, JInteger
+
+
+class JMockSystemOut(JObj):
+    type = "Ljava/io/PrintStream;"
+    value = None
+
+
+class JMockSystemIn(JObj):
+    type = "Ljava/io/InputStream;"
+    value = None
+
+
+def mock_printstream_println(self: JObj, args: List[JObj]):
+    if len(args) != 1:
+        raise ValueError("Argument length mismatch")
+    if args[0].type != 'java/lang/String':
+        raise ValueError("Argument type mismatch")
+
+    print(args[0].value)
+
+
+def mock_inputstream_read(self: JObj, args: List[JObj]):
+    character = sys.stdin.read(1).strip()
+    return JInteger(ord(character))