feat: make tests idempotent when using tN

tNs are generated with OpcodesTemps() and the COUNTER
must be reset upon compiler initialization.

Author: boriel

src/api/opcodestemps.py

@@ -1,6 +1,5 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-# vim: ts=4:et:sw=4:
 
 # ----------------------------------------------------------------------
 # Copyleft (K), Jose M. Rodriguez-Rosa (a.k.a. Boriel)
@@ -9,6 +8,8 @@
 #                    the GNU General License
 # ----------------------------------------------------------------------
 
+__all__ = "OpcodesTemps", "init"
+
 
 class Counter:
     """Implements a counter each time it's invoked"""
@@ -38,3 +39,9 @@ def __init__(self, prefix: str = "t"):
     def new_t(self):
         """Returns a new t-value name"""
         return f"{self._prefix}{_COUNTER()}"
+
+
+def init():
+    """Initializes the global container"""
+    global _COUNTER
+    _COUNTER = Counter()

src/zxbc/zxbparser.py

@@ -27,6 +27,7 @@
 # Global containers
 from src.api import errmsg
 from src.api import global_ as gl
+from src.api import opcodestemps
 from src.api.check import (
     check_and_make_label,
     check_class,
@@ -46,7 +47,6 @@
 from src.api.debug import __DEBUG__
 from src.api.errmsg import error, warning
 from src.api.global_ import LoopInfo
-from src.api.opcodestemps import OpcodesTemps
 
 # Compiler API
 from src.api.symboltable.symboltable import SymbolTable
@@ -135,7 +135,8 @@ def init():
 
     ast = None
     data_ast = None  # Global Variables AST
-    optemps = OpcodesTemps()
+    opcodestemps.init()
+    optemps = opcodestemps.OpcodesTemps()
 
     gl.INITS.clear()
     del gl.FUNCTION_CALLS[:]
@@ -3436,4 +3437,4 @@ def p_error(p):
 
 ast = None
 data_ast = None  # Global Variables AST
-optemps = OpcodesTemps()
+optemps = opcodestemps.OpcodesTemps()