| """ |
| Test the SB API SBFrame::GuessLanguage. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import re |
| import lldb |
| import lldbsuite.test.lldbutil as lldbutil |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| |
| |
| class TestFrameGuessLanguage(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| # If your test case doesn't stress debug info, the |
| # set this to true. That way it won't be run once for |
| # each debug info format. |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr37658") |
| def test_guess_language(self): |
| """Test GuessLanguage for C and C++.""" |
| self.build() |
| self.do_test() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| |
| 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++.""" |
| exe = self.getBuildArtifact("a.out") |
| |
| # Create a target by the debugger. |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| # 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 = lldb.SBLaunchInfo(None) |
| 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.assertTrue( |
| len(threads) == 1, |
| "There should be a thread stopped at our breakpoint") |
| |
| # The hit count for the breakpoint should be 1. |
| self.assertTrue(breakpoint.GetHitCount() == 1) |
| |
| thread = threads[0] |
| |
| c_frame_language = lldb.eLanguageTypeC99 |
| # gcc emits DW_LANG_C89 even if -std=c99 was specified |
| if "gcc" in self.getCompiler(): |
| c_frame_language = lldb.eLanguageTypeC89 |
| |
| self.check_language(thread, 0, c_frame_language) |
| self.check_language(thread, 1, lldb.eLanguageTypeC_plus_plus) |
| self.check_language(thread, 2, lldb.eLanguageTypeC_plus_plus) |
| |
| |
| |
