76 lines · python
1"""2Test the SB API SBFrame::GuessLanguage.3"""4 5 6import lldb7import lldbsuite.test.lldbutil as lldbutil8from lldbsuite.test.decorators import *9from lldbsuite.test.lldbtest import *10 11 12class TestFrameGuessLanguage(TestBase):13 # If your test case doesn't stress debug info, then14 # set this to true. That way it won't be run once for15 # each debug info format.16 NO_DEBUG_INFO_TESTCASE = True17 18 @skipIf(compiler="clang", compiler_version=["<", "10.0"])19 @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr37658")20 def test_guess_language(self):21 """Test GuessLanguage for C and C++."""22 self.build()23 self.do_test()24 25 def check_language(self, thread, frame_no, test_lang):26 frame = thread.frames[frame_no]27 self.assertTrue(frame.IsValid(), "Frame %d was not valid." % (frame_no))28 lang = frame.GuessLanguage()29 self.assertEqual(lang, test_lang)30 31 def do_test(self):32 """Test GuessLanguage for C & C++."""33 target = self.createTestTarget()34 35 # Now create a breakpoint in main.c at the source matching36 # "Set a breakpoint here"37 breakpoint = target.BreakpointCreateBySourceRegex(38 "Set breakpoint here", lldb.SBFileSpec("somefunc.c")39 )40 self.assertTrue(41 breakpoint and breakpoint.GetNumLocations() >= 1, VALID_BREAKPOINT42 )43 44 error = lldb.SBError()45 # This is the launch info. If you want to launch with arguments or46 # environment variables, add them using SetArguments or47 # SetEnvironmentEntries48 49 launch_info = target.GetLaunchInfo()50 process = target.Launch(launch_info, error)51 self.assertTrue(process, PROCESS_IS_VALID)52 53 # Did we hit our breakpoint?54 from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint55 56 threads = get_threads_stopped_at_breakpoint(process, breakpoint)57 self.assertEqual(58 len(threads), 1, "There should be a thread stopped at our breakpoint"59 )60 61 # The hit count for the breakpoint should be 1.62 self.assertEqual(breakpoint.GetHitCount(), 1)63 64 thread = threads[0]65 66 c_frame_language = lldb.eLanguageTypeC9967 cxx_frame_language = lldb.eLanguageTypeC_plus_plus_1168 # gcc emits DW_LANG_C89 even if -std=c99 was specified69 if "gcc" in self.getCompiler():70 c_frame_language = lldb.eLanguageTypeC8971 cxx_frame_language = lldb.eLanguageTypeC_plus_plus72 73 self.check_language(thread, 0, c_frame_language)74 self.check_language(thread, 1, cxx_frame_language)75 self.check_language(thread, 2, lldb.eLanguageTypeC_plus_plus)76