Merge pull request #521 from DharunMR/added-logging

Author: gnikit

fortls/regex_patterns.py

@@ -1,9 +1,12 @@
 from __future__ import annotations
 
+import logging
 from dataclasses import dataclass
 from re import I, compile
 from typing import Pattern
 
+log = logging.getLogger(__name__)
+
 
 @dataclass(frozen=True)
 class FortranRegularExpressions:
@@ -199,7 +202,7 @@ def create_src_file_exts_regex(input_exts: list[str] = []) -> Pattern[str]:
         # Add its expression as an OR and force they match the end of the string
         return re.compile(rf"(({'$)|('.join(EXPRESSIONS)}$))")
     except re.error:
-        # TODO: Add a warning to the logger
+        log.warning("Invalid REGEX provided for file %s", input_exts, exc_info=True)
         return re.compile(rf"({DEFAULT}$)")
 
 

test/test_regex_patterns.py

@@ -33,6 +33,7 @@
         ([], ["test.ff", "test.f901", "test.f90.ff"], [False, False, False]),
         ([r"\.inc"], ["test.inc", "testinc", "test.inc2"], [True, False, False]),
         (["inc.*"], ["test.inc", "testinc", "test.inc2"], [True, True, True]),
+        (["("], ["test.f90", "test.f90.ff"], [True, False]),
     ],
 )
 def test_src_file_exts(