Fix handling expressions such as "!value"

Substitution converts this to " not value" and space at beginning
needs stripping. Add test case.

Author: mikee47

Tools/Python/evaluator.py

@@ -146,7 +146,7 @@ def run(self, expr):
             raise ValueError("Empty expression")
         processed = expr.replace("&&", " and ").replace("||", " or ")
         processed = re.sub(r'!(?!=)', ' not ', processed)
-        tree = ast.parse(processed, mode='eval')
+        tree = ast.parse(processed.strip(), mode='eval')
         return self._eval(tree.body)
 
 

Tools/Python/evaluator/evaluator_test.py

@@ -51,6 +51,7 @@ def get_variable(name: str):
         ("~0 & 0xFF", 255, "Bitwise Invert & AND"),
         ("align_up(15, 8)", 16, "Custom Function"),
         ("NUMERIC_VAR * 2", 123 * 2, "Custom variable"),
+        ("!NUMERIC_VAR", 0, "Bool invert"),
 
         # --- Multi-Argument & Custom Math ---
         ("max(1, 5, 2)", 5, "Variadic Function (max)"),
@@ -103,7 +104,7 @@ def get_variable(name: str):
             actual = evaluator.run(expr)
             success = (actual == expected)
         except Exception as e:
-            success = f'Error: {e}'.startswith(expected)
+            success = f'Error: {e}'.startswith(str(expected))
             actual = repr(e)
 
         if success: