| """ |
| Test the SB API SBFrame::GuessLanguage. |
| """ |
| |
| |
| import lldb |
| import lldbsuite.test.lldbutil as lldbutil |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| |
| |
| class TestFrameGuessLanguage(TestBase): |
| # If your test case doesn't stress debug info, then |
| # set this to true. That way it won't be run once for |
| # each debug info format. |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @skipIf(compiler="clang", compiler_version=["<", "10.0"]) |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr37658") |
| def test_guess_language(self): |
| """Test GuessLanguage for C and C++.""" |
| self.build() |
| self.do_test() |
| |
| def check_language(self, thread, frame_no, test_lang): |
| frame = thread.frames[frame_no] |
| self.assertTrue(frame.IsValid(), "Frame %d was not valid." % (frame_no)) |
| lang = frame.GuessLanguage() |
| self.assertEqual(lang, test_lang) |
| |
| def do_test(self): |
| """Test GuessLanguage for C & C++.""" |
| target = self.createTestTarget() |
| |
| # Now create a breakpoint in main.c at the source matching |
| # "Set a breakpoint here" |
| breakpoint = target.BreakpointCreateBySourceRegex( |
| "Set breakpoint here", lldb.SBFileSpec("somefunc.c") |
| ) |
| self.assertTrue( |
| breakpoint and breakpoint.GetNumLocations() >= 1, VALID_BREAKPOINT |
| ) |
| |
| error = lldb.SBError() |
| # This is the launch info. If you want to launch with arguments or |
| # environment variables, add them using SetArguments or |
| # SetEnvironmentEntries |
| |
| launch_info = target.GetLaunchInfo() |
| process = target.Launch(launch_info, error) |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| # Did we hit our breakpoint? |
| from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint |
| |
| threads = get_threads_stopped_at_breakpoint(process, breakpoint) |
| self.assertEqual( |
| len(threads), 1, "There should be a thread stopped at our breakpoint" |
| ) |
| |
| # The hit count for the breakpoint should be 1. |
| self.assertEqual(breakpoint.GetHitCount(), 1) |
| |
| thread = threads[0] |
| |
| c_frame_language = lldb.eLanguageTypeC99 |
| cxx_frame_language = lldb.eLanguageTypeC_plus_plus_11 |
| # gcc emits DW_LANG_C89 even if -std=c99 was specified |
| if "gcc" in self.getCompiler(): |
| c_frame_language = lldb.eLanguageTypeC89 |
| cxx_frame_language = lldb.eLanguageTypeC_plus_plus |
| |
| self.check_language(thread, 0, c_frame_language) |
| self.check_language(thread, 1, cxx_frame_language) |
| self.check_language(thread, 2, lldb.eLanguageTypeC_plus_plus) |