[lldb] fix(lldb/**.py): fix invalid escape sequences (#94034)

Co-authored-by: Eisuke Kawashima <[email protected]>

Author: e-kwsm

lldb/examples/python/crashlog.py

@@ -296,7 +296,7 @@ class DarwinImage(symbolication.Image):
             except:
                 dsymForUUIDBinary = ""
 
-        dwarfdump_uuid_regex = re.compile("UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*")
+        dwarfdump_uuid_regex = re.compile(r"UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*")
 
         def __init__(
             self, text_addr_lo, text_addr_hi, identifier, version, uuid, path, verbose
@@ -501,7 +501,7 @@ def find_image_with_identifier(self, identifier):
         for image in self.images:
             if image.identifier == identifier:
                 return image
-        regex_text = "^.*\.%s$" % (re.escape(identifier))
+        regex_text = r"^.*\.%s$" % (re.escape(identifier))
         regex = re.compile(regex_text)
         for image in self.images:
             if regex.match(image.identifier):
@@ -925,7 +925,7 @@ def get(cls):
             version = r"(?:" + super().version + r"\s+)?"
             address = r"(0x[0-9a-fA-F]{4,})"  # 4 digits or more
 
-            symbol = """
+            symbol = r"""
                         (?:
                             [ ]+
                             (?P<symbol>.+)
@@ -1095,7 +1095,7 @@ def parse_normal(self, line):
             self.crashlog.process_identifier = line[11:].strip()
         elif line.startswith("Version:"):
             version_string = line[8:].strip()
-            matched_pair = re.search("(.+)\((.+)\)", version_string)
+            matched_pair = re.search(r"(.+)\((.+)\)", version_string)
             if matched_pair:
                 self.crashlog.process_version = matched_pair.group(1)
                 self.crashlog.process_compatability_version = matched_pair.group(2)

lldb/examples/python/delta.py

@@ -99,7 +99,7 @@ def parse_log_file(file, options):
     print("# Log file: '%s'" % file)
     print("#----------------------------------------------------------------------")
 
-    timestamp_regex = re.compile("(\s*)([1-9][0-9]+\.[0-9]+)([^0-9].*)$")
+    timestamp_regex = re.compile(r"(\s*)([1-9][0-9]+\.[0-9]+)([^0-9].*)$")
 
     base_time = 0.0
     last_time = 0.0

lldb/examples/python/gdbremote.py

@@ -1537,12 +1537,12 @@ def parse_gdb_log(file, options):
     a long time during a preset set of debugger commands."""
 
     tricky_commands = ["qRegisterInfo"]
-    timestamp_regex = re.compile("(\s*)([1-9][0-9]+\.[0-9]+)([^0-9].*)$")
+    timestamp_regex = re.compile(r"(\s*)([1-9][0-9]+\.[0-9]+)([^0-9].*)$")
     packet_name_regex = re.compile("([A-Za-z_]+)[^a-z]")
     packet_transmit_name_regex = re.compile(
         "(?P<direction>send|read) packet: (?P<packet>.*)"
     )
-    packet_contents_name_regex = re.compile("\$([^#]*)#[0-9a-fA-F]{2}")
+    packet_contents_name_regex = re.compile(r"\$([^#]*)#[0-9a-fA-F]{2}")
     packet_checksum_regex = re.compile(".*#[0-9a-fA-F]{2}$")
     packet_names_regex_str = "(" + "|".join(gdb_remote_commands.keys()) + ")(.*)"
     packet_names_regex = re.compile(packet_names_regex_str)

lldb/examples/python/jump.py

@@ -38,7 +38,7 @@ def parse_linespec(linespec, frame, result):
             )
 
     if not matched:
-        mo = re.match("^\+([0-9]+)$", linespec)
+        mo = re.match(r"^\+([0-9]+)$", linespec)
         if mo is not None:
             matched = True
             # print "Matched +<count>"
@@ -54,7 +54,7 @@ def parse_linespec(linespec, frame, result):
             )
 
     if not matched:
-        mo = re.match("^\-([0-9]+)$", linespec)
+        mo = re.match(r"^\-([0-9]+)$", linespec)
         if mo is not None:
             matched = True
             # print "Matched -<count>"
@@ -79,7 +79,7 @@ def parse_linespec(linespec, frame, result):
             breakpoint = target.BreakpointCreateByLocation(file_name, line_number)
 
     if not matched:
-        mo = re.match("\*((0x)?([0-9a-f]+))$", linespec)
+        mo = re.match(r"\*((0x)?([0-9a-f]+))$", linespec)
         if mo is not None:
             matched = True
             # print "Matched <address-expression>"

lldb/examples/python/performance.py

@@ -346,7 +346,7 @@ def __init__(self, pid):
 
     def Measure(self):
         output = subprocess.getoutput(self.command).split("\n")[-1]
-        values = re.split("[-+\s]+", output)
+        values = re.split(r"[-+\s]+", output)
         for idx, stat in enumerate(values):
             multiplier = 1
             if stat:

lldb/examples/python/symbolication.py

@@ -177,9 +177,9 @@ class Section:
     """Class that represents an load address range"""
 
     sect_info_regex = re.compile("(?P<name>[^=]+)=(?P<range>.*)")
-    addr_regex = re.compile("^\s*(?P<start>0x[0-9A-Fa-f]+)\s*$")
+    addr_regex = re.compile(r"^\s*(?P<start>0x[0-9A-Fa-f]+)\s*$")
     range_regex = re.compile(
-        "^\s*(?P<start>0x[0-9A-Fa-f]+)\s*(?P<op>[-+])\s*(?P<end>0x[0-9A-Fa-f]+)\s*$"
+        r"^\s*(?P<start>0x[0-9A-Fa-f]+)\s*(?P<op>[-+])\s*(?P<end>0x[0-9A-Fa-f]+)\s*$"
     )
 
     def __init__(self, start_addr=None, end_addr=None, name=None):
@@ -557,7 +557,7 @@ def find_images_with_identifier(self, identifier):
             if image.identifier == identifier:
                 images.append(image)
         if len(images) == 0:
-            regex_text = "^.*\.%s$" % (re.escape(identifier))
+            regex_text = r"^.*\.%s$" % (re.escape(identifier))
             regex = re.compile(regex_text)
             for image in self.images:
                 if regex.match(image.identifier):

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

@@ -104,4 +104,4 @@ def cursor_forward_escape_seq(self, chars_to_move):
         Returns the escape sequence to move the cursor forward/right
         by a certain amount of characters.
         """
-        return b"\x1b\[" + str(chars_to_move).encode("utf-8") + b"C"
+        return b"\x1b\\[" + str(chars_to_move).encode("utf-8") + b"C"

lldb/packages/Python/lldbsuite/test/test_runner/process_control.py

@@ -91,7 +91,7 @@ def timeout_to_seconds(timeout):
 
 
 class ProcessHelper(object):
-    """Provides an interface for accessing process-related functionality.
+    r"""Provides an interface for accessing process-related functionality.
 
     This class provides a factory method that gives the caller a
     platform-specific implementation instance of the class.

lldb/test/API/commands/command/backticks/TestBackticksInAlias.py

@@ -20,15 +20,15 @@ def test_backticks_in_alias(self):
         interp = self.dbg.GetCommandInterpreter()
         result = lldb.SBCommandReturnObject()
         interp.HandleCommand(
-            "command alias _test-argv-cmd expression -Z \`argc\` -- argv", result
+            r"command alias _test-argv-cmd expression -Z \`argc\` -- argv", result
         )
         self.assertCommandReturn(result, "Made the alias")
         interp.HandleCommand("_test-argv-cmd", result)
         self.assertCommandReturn(result, "The alias worked")
 
         # Now try a harder case where we create this using an alias:
         interp.HandleCommand(
-            "command alias _test-argv-parray-cmd parray \`argc\` argv", result
+            r"command alias _test-argv-parray-cmd parray \`argc\` argv", result
         )
         self.assertCommandReturn(result, "Made the alias")
         interp.HandleCommand("_test-argv-parray-cmd", result)

lldb/test/API/commands/expression/memory-allocation/TestMemoryAllocSettings.py

@@ -30,7 +30,7 @@ def test(self):
         alloc0 = re.search("^.*IRMemoryMap::Malloc.+?0xdead0000.*$", log, re.MULTILINE)
         # Malloc adds additional bytes to allocation size, hence 10007
         alloc1 = re.search(
-            "^.*IRMemoryMap::Malloc\s*?\(10007.+?0xdead1000.*$", log, re.MULTILINE
+            r"^.*IRMemoryMap::Malloc\s*?\(10007.+?0xdead1000.*$", log, re.MULTILINE
         )
         self.assertTrue(alloc0, "Couldn't find an allocation at a given address.")
         self.assertTrue(