[lldb] Delete lldbutil.PrintableRegex (NFC)

Use of this class wasn't making use of the original regex string. Note that `re.Pattern`
has a `pattern` property to access the original regex.

Author: kastiglione

lldb/packages/Python/lldbsuite/test/lldbutil.py

@@ -1578,21 +1578,6 @@ def set_actions_for_signal(
     )
 
 
-class PrintableRegex(object):
-    def __init__(self, text):
-        self.regex = re.compile(text)
-        self.text = text
-
-    def match(self, str):
-        return self.regex.match(str)
-
-    def __str__(self):
-        return "%s" % (self.text)
-
-    def __repr__(self):
-        return "re.compile(%s) -> %s" % (self.text, self.regex)
-
-
 def skip_if_callable(test, mycallable, reason):
     if callable(mycallable):
         if mycallable(test):

lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/atomic/TestLibCxxAtomic.py

@@ -2,6 +2,7 @@
 Test lldb data formatter subsystem.
 """
 
+import re
 import lldb
 from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
@@ -30,9 +31,7 @@ def test(self):
 
         self.runCmd("run", RUN_SUCCEEDED)
 
-        lldbutil.skip_if_library_missing(
-            self, self.target(), lldbutil.PrintableRegex("libc\+\+")
-        )
+        lldbutil.skip_if_library_missing(self, self.target(), re.compile(r"libc\+\+"))
 
         # The stop reason of the thread should be breakpoint.
         self.expect(

lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/initializerlist/TestInitializerList.py

@@ -3,6 +3,7 @@
 """
 
 
+import re
 import lldb
 from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
@@ -24,9 +25,7 @@ def test(self):
 
         self.runCmd("run", RUN_SUCCEEDED)
 
-        lldbutil.skip_if_library_missing(
-            self, self.target(), lldbutil.PrintableRegex("libc\+\+")
-        )
+        lldbutil.skip_if_library_missing(self, self.target(), re.compile(r"libc\+\+"))
 
         # The stop reason of the thread should be breakpoint.
         self.expect(