TestConvenienceVariables.py revision 3a4622ecd670637002852690a54bcaa9339909d8
13a4622ecd670637002852690a54bcaa9339909d8Johnny Chen"""Test convenience variables when you drop in from lldb prompt into an embedded interpreter.""" 23a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 33a4622ecd670637002852690a54bcaa9339909d8Johnny Chenimport os 43a4622ecd670637002852690a54bcaa9339909d8Johnny Chenimport unittest2 53a4622ecd670637002852690a54bcaa9339909d8Johnny Chenimport lldb 63a4622ecd670637002852690a54bcaa9339909d8Johnny Chenimport pexpect 73a4622ecd670637002852690a54bcaa9339909d8Johnny Chenfrom lldbtest import * 83a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 93a4622ecd670637002852690a54bcaa9339909d8Johnny Chenclass ConvenienceVariablesCase(TestBase): 103a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 113a4622ecd670637002852690a54bcaa9339909d8Johnny Chen mydir = "embedded_interpreter" 123a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 133a4622ecd670637002852690a54bcaa9339909d8Johnny Chen @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 143a4622ecd670637002852690a54bcaa9339909d8Johnny Chen def test_with_dsym_and_run_command(self): 153a4622ecd670637002852690a54bcaa9339909d8Johnny Chen """Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame.""" 163a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.buildDsym() 173a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.convenience_variables() 183a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 193a4622ecd670637002852690a54bcaa9339909d8Johnny Chen @python_api_test 203a4622ecd670637002852690a54bcaa9339909d8Johnny Chen def test_with_dwarf_and_process_launch_api(self): 213a4622ecd670637002852690a54bcaa9339909d8Johnny Chen """Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame.""" 223a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.buildDwarf() 233a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.convenience_variables() 243a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 253a4622ecd670637002852690a54bcaa9339909d8Johnny Chen def setUp(self): 263a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # Call super's setUp(). 273a4622ecd670637002852690a54bcaa9339909d8Johnny Chen TestBase.setUp(self) 283a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # Find the line number to break on inside main.cpp. 293a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.line = line_number('main.c', 'Hello world.') 303a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 313a4622ecd670637002852690a54bcaa9339909d8Johnny Chen def convenience_variables(self): 323a4622ecd670637002852690a54bcaa9339909d8Johnny Chen """Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame.""" 333a4622ecd670637002852690a54bcaa9339909d8Johnny Chen exe = os.path.join(os.getcwd(), "a.out") 343a4622ecd670637002852690a54bcaa9339909d8Johnny Chen prompt = "(lldb) " 353a4622ecd670637002852690a54bcaa9339909d8Johnny Chen python_prompt = ">>> " 363a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 373a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # So that the child gets torn down after the test. 383a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.child = pexpect.spawn('%s %s' % (self.lldbExec, exe)) 393a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child = self.child 403a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # Turn on logging for what the child sends back. 413a4622ecd670637002852690a54bcaa9339909d8Johnny Chen if self.TraceOn(): 423a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.logfile_read = sys.stdout 433a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 443a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # Set the breakpoint, run the inferior, when it breaks, issue print on 453a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # the various convenience variables. 463a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(prompt) 473a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('breakpoint set -f main.c -l %d' % self.line) 483a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(prompt) 493a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('run') 503a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(prompt) 513a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('script') 523a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(python_prompt) 533a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 543a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # Set a flag so that we know during teardown time, we need to exit the 553a4622ecd670637002852690a54bcaa9339909d8Johnny Chen # Python interpreter, then the lldb interpreter. 563a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.child_in_script_interpreter = True 573a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 583a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('print lldb.debugger') 593a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(python_prompt) 603a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.expect(child.before, exe=False, 613a4622ecd670637002852690a54bcaa9339909d8Johnny Chen patterns = ['Debugger \(instance: .*, id: \d\)']) 623a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 633a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('print lldb.target') 643a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(python_prompt) 653a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.expect(child.before, exe=False, 663a4622ecd670637002852690a54bcaa9339909d8Johnny Chen substrs = ['a.out']) 673a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 683a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('print lldb.process') 693a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(python_prompt) 703a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.expect(child.before, exe=False, 713a4622ecd670637002852690a54bcaa9339909d8Johnny Chen patterns = ['SBProcess: pid = \d+, state = stopped, threads = \d, executable = a.out']) 723a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 733a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('print lldb.thread') 743a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(python_prompt) 753a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.expect(child.before, exe=False, 763a4622ecd670637002852690a54bcaa9339909d8Johnny Chen patterns = ['SBThread: tid = 0x[0-9a-f]+']) 773a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 783a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.sendline('print lldb.frame') 793a4622ecd670637002852690a54bcaa9339909d8Johnny Chen child.expect_exact(python_prompt) 803a4622ecd670637002852690a54bcaa9339909d8Johnny Chen self.expect(child.before, exe=False, 813a4622ecd670637002852690a54bcaa9339909d8Johnny Chen substrs = ['frame #0', 'main.c:%d' % self.line]) 823a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 833a4622ecd670637002852690a54bcaa9339909d8Johnny Chen 843a4622ecd670637002852690a54bcaa9339909d8Johnny Chenif __name__ == '__main__': 853a4622ecd670637002852690a54bcaa9339909d8Johnny Chen import atexit 863a4622ecd670637002852690a54bcaa9339909d8Johnny Chen lldb.SBDebugger.Initialize() 873a4622ecd670637002852690a54bcaa9339909d8Johnny Chen atexit.register(lambda: lldb.SBDebugger.Terminate()) 883a4622ecd670637002852690a54bcaa9339909d8Johnny Chen unittest2.main() 89