| """Test the go expression parser/interpreter.""" |
| |
| import os |
| import time |
| import unittest2 |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestGoUserExpression(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @add_test_categories(['pyapi']) |
| @skipIfRemote # Not remote test suit ready |
| @skipIfFreeBSD # Test hanging on FreeBSD - llvm.org/pr37194 |
| @skipUnlessGoInstalled |
| def test_with_dsym_and_python_api(self): |
| """Test GoASTUserExpress.""" |
| self.buildGo() |
| self.launchProcess() |
| self.go_expressions() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers to break inside main(). |
| self.main_source = "main.go" |
| self.break_line = line_number( |
| self.main_source, '// Set breakpoint here.') |
| |
| def check_builtin(self, name, size=0, typeclass=lldb.eTypeClassBuiltin): |
| tl = self.target().FindTypes(name) |
| self.assertEqual(1, len(tl)) |
| t = list(tl)[0] |
| self.assertEqual(name, t.name) |
| self.assertEqual(typeclass, t.type) |
| if size > 0: |
| self.assertEqual(size, t.size) |
| |
| def launchProcess(self): |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| bpt = target.BreakpointCreateByLocation( |
| self.main_source, self.break_line) |
| self.assertTrue(bpt, VALID_BREAKPOINT) |
| |
| # Now launch the process, and do not stop at entry point. |
| process = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| # The stop reason of the thread should be breakpoint. |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt) |
| |
| # Make sure we stopped at the first breakpoint. |
| self.assertTrue( |
| len(thread_list) != 0, |
| "No thread stopped at our breakpoint.") |
| self.assertTrue(len(thread_list) == 1, |
| "More than one thread stopped at our breakpoint.") |
| |
| frame = thread_list[0].GetFrameAtIndex(0) |
| self.assertTrue(frame, "Got a valid frame 0 frame.") |
| |
| def go_expressions(self): |
| frame = self.frame() |
| v = frame.EvaluateExpression("1") |
| self.assertEqual(1, v.GetValueAsSigned()) |
| x = frame.EvaluateExpression("x") |
| self.assertEqual(22, x.GetValueAsSigned()) |
| |
| a = frame.EvaluateExpression("a") |
| self.assertEqual(3, a.GetNumChildren()) |
| a0 = a.GetChildAtIndex(0) |
| self.assertEqual(8, a0.GetValueAsSigned()) |
| |
| # Array indexing |
| a0 = frame.EvaluateExpression("a[0]") |
| self.assertEqual(8, a0.GetValueAsSigned()) |
| |
| # Slice indexing |
| b1 = frame.EvaluateExpression("b[1]") |
| self.assertEqual(9, b1.GetValueAsSigned()) |
| |
| # Test global in this package |
| g = frame.EvaluateExpression("myGlobal") |
| self.assertEqual(17, g.GetValueAsSigned(), str(g)) |
| |
| # Global with package name |
| g = frame.EvaluateExpression("main.myGlobal") |
| self.assertEqual(17, g.GetValueAsSigned(), str(g)) |
| |
| # Global with quoted package name |
| g = frame.EvaluateExpression('"main".myGlobal') |
| self.assertEqual(17, g.GetValueAsSigned(), str(g)) |
| |
| # Casting with package local type |
| s = frame.EvaluateExpression("*(*myStruct)(i.data)") |
| sb = s.GetChildMemberWithName("a") |
| self.assertEqual(2, sb.GetValueAsSigned()) |
| |
| # casting with explicit package |
| s = frame.EvaluateExpression("*(*main.myStruct)(i.data)") |
| sb = s.GetChildMemberWithName("a") |
| self.assertEqual(2, sb.GetValueAsSigned()) |
| |
| # Casting quoted package |
| s = frame.EvaluateExpression('*(*"main".myStruct)(i.data)') |
| sb = s.GetChildMemberWithName("b") |
| self.assertEqual(-1, sb.GetValueAsSigned()) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
