Allow hiding warning WXXX codes

Useful for not having to change tests everytime
the warning code is updated

Author: boriel

src/api/config.py

@@ -70,6 +70,7 @@ def init():
     OPTIONS.add_option('zxnext', bool, False)  # True to enable ZX Next ASM opcodes
     OPTIONS.add_option('architecture', str, None)  # Architecture
     OPTIONS.add_option('expect_warnings', int, 0)  # Expected Warnings that will be silenced
+    OPTIONS.add_option('hide_warning_codes', bool, False)  # Whether to show WXXX warning codes or not
 
 
 init()

src/api/errmsg.py

@@ -104,7 +104,8 @@ def decorator(func: Callable) -> Callable:
         def wrapper(*args, **kwargs):
             global WARNING_PREFIX
             if global_.ENABLED_WARNINGS.get(code, True):
-                WARNING_PREFIX = f'warning: [W{code}]'
+                if not OPTIONS.hide_warning_codes:
+                    WARNING_PREFIX = f'warning: [W{code}]'
                 func(*args, **kwargs)
                 WARNING_PREFIX = ''
 

src/libzxbc/args_parser.py

@@ -96,4 +96,6 @@ def parser() -> argparse.ArgumentParser:
                          help='Disables warning WXXX (i.e. -W100 disables warning with code W100)')
     parser_.add_argument('+W', '--enable-warning', type=parse_warning_option, action='append',
                          help='Disables warning WXXX (i.e. -W100 disables warning with code W100)')
+    parser_.add_argument('--hide-warning-codes', action='store_true',
+                         help='Hides WXXX codes')
     return parser_

src/libzxbc/zxbc.py

@@ -108,6 +108,7 @@ def main(args=None, emitter=None):
     OPTIONS.headerless = options.headerless
     OPTIONS.zxnext = options.zxnext
     OPTIONS.expect_warnings = gl.EXPECTED_WARNINGS = options.expect_warnings
+    OPTIONS.hide_warning_codes = options.hide_warning_codes
 
     if options.arch not in arch.AVAILABLE_ARCHITECTURES:
         parser.error(f"Invalid architecture '{options.arch}'")

tests/symbols/test_symbolTYPECAST.py

@@ -23,6 +23,7 @@ def setUp(self):
         if 'stderr' in OPTIONS:
             del OPTIONS.stderr
         OPTIONS.add_option('stderr', type_=None, default_value=StringIO())
+        OPTIONS.hide_warning_codes = True
 
     def test_operand(self):
         self.assertEqual(self.t.operand, 3)