| """ |
| Test using LLDB data formatters with frozen objects coming from the expression parser. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ExprFormattersTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break for main.cpp. |
| self.line = line_number('main.cpp', |
| '// Stop here') |
| |
| @skipIfFreeBSD # llvm.org/pr24691 skipping to avoid crashing the test runner |
| @expectedFailureAll( |
| oslist=['freebsd'], |
| bugnumber='llvm.org/pr19011 Newer Clang omits C1 complete object constructor') |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765") |
| @skipIfTargetAndroid() # skipping to avoid crashing the test runner |
| @expectedFailureAndroid('llvm.org/pr24691') # we hit an assertion in clang |
| def test(self): |
| """Test expr + formatters for good interoperability.""" |
| self.build() |
| |
| # This is the function to remove the custom formats in order to have a |
| # clean slate for the next test case. |
| def cleanup(): |
| self.runCmd('type summary clear', check=False) |
| self.runCmd('type synthetic clear', check=False) |
| |
| # Execute the cleanup function during test case tear down. |
| self.addTearDownHook(cleanup) |
| |
| """Test expr + formatters for good interoperability.""" |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.cpp", self.line, loc_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| self.runCmd("command script import formatters.py") |
| self.runCmd("command script import foosynth.py") |
| |
| if self.TraceOn(): |
| self.runCmd("frame variable foo1 --show-types") |
| self.runCmd("frame variable foo1.b --show-types") |
| self.runCmd("frame variable foo1.b.b_ref --show-types") |
| |
| self.expect( |
| "expression --show-types -- *(new foo(47))", |
| substrs=[ |
| '(int) a = 47', |
| '(bar) b = {', |
| '(int) i = 94', |
| '(baz) b = {', |
| '(int) k = 99']) |
| |
| self.runCmd("type summary add -F formatters.foo_SummaryProvider foo") |
| |
| self.expect("expression new int(12)", |
| substrs=['(int *) $', ' = 0x']) |
| |
| self.runCmd( |
| "type summary add -s \"${var%pointer} -> ${*var%decimal}\" \"int *\"") |
| |
| self.expect("expression new int(12)", |
| substrs=['(int *) $', '= 0x', ' -> 12']) |
| |
| self.expect("expression foo1.a_ptr", |
| substrs=['(int *) $', '= 0x', ' -> 13']) |
| |
| self.expect( |
| "expression foo1", |
| substrs=[ |
| '(foo) $', |
| ' a = 12', |
| 'a_ptr = ', |
| ' -> 13', |
| 'i = 24', |
| 'i_ptr = ', |
| ' -> 25']) |
| |
| self.expect( |
| "expression --ptr-depth=1 -- new foo(47)", |
| substrs=[ |
| '(foo *) $', |
| 'a = 47', |
| 'a_ptr = ', |
| ' -> 48', |
| 'i = 94', |
| 'i_ptr = ', |
| ' -> 95']) |
| |
| self.expect( |
| "expression foo2", |
| substrs=[ |
| '(foo) $', |
| 'a = 121', |
| 'a_ptr = ', |
| ' -> 122', |
| 'i = 242', |
| 'i_ptr = ', |
| ' -> 243']) |
| |
| object_name = self.res.GetOutput() |
| object_name = object_name[7:] |
| object_name = object_name[0:object_name.find(' =')] |
| |
| self.expect( |
| "frame variable foo2", |
| substrs=[ |
| '(foo)', |
| 'foo2', |
| 'a = 121', |
| 'a_ptr = ', |
| ' -> 122', |
| 'i = 242', |
| 'i_ptr = ', |
| ' -> 243']) |
| |
| self.expect( |
| "expression $" + |
| object_name, |
| substrs=[ |
| '(foo) $', |
| 'a = 121', |
| 'a_ptr = ', |
| ' -> 122', |
| 'i = 242', |
| 'i_ptr = ', |
| ' -> 243', |
| 'h = 245', |
| 'k = 247']) |
| |
| self.runCmd("type summary delete foo") |
| self.runCmd( |
| "type synthetic add --python-class foosynth.FooSyntheticProvider foo") |
| |
| self.expect("expression --show-types -- $" + object_name, |
| substrs=['(foo) $', ' = {', '(int) *i_ptr = 243']) |
| |
| self.runCmd("n") |
| self.runCmd("n") |
| |
| self.runCmd("type synthetic delete foo") |
| self.runCmd("type summary add -F formatters.foo_SummaryProvider foo") |
| |
| self.expect( |
| "expression foo2", |
| substrs=[ |
| '(foo) $', |
| 'a = 7777', |
| 'a_ptr = ', |
| ' -> 122', |
| 'i = 242', |
| 'i_ptr = ', |
| ' -> 8888']) |
| |
| self.expect("expression $" + object_name + '.a', |
| substrs=['7777']) |
| |
| self.expect("expression *$" + object_name + '.b.i_ptr', |
| substrs=['8888']) |
| |
| self.expect( |
| "expression $" + |
| object_name, |
| substrs=[ |
| '(foo) $', |
| 'a = 121', |
| 'a_ptr = ', |
| ' -> 122', |
| 'i = 242', |
| 'i_ptr = ', |
| ' -> 8888', |
| 'h = 245', |
| 'k = 247']) |
| |
| self.runCmd("type summary delete foo") |
| self.runCmd( |
| "type synthetic add --python-class foosynth.FooSyntheticProvider foo") |
| |
| self.expect("expression --show-types -- $" + object_name, |
| substrs=['(foo) $', ' = {', '(int) *i_ptr = 8888']) |
| |
| self.runCmd("n") |
| |
| self.runCmd("type synthetic delete foo") |
| self.runCmd("type summary add -F formatters.foo_SummaryProvider foo") |
| |
| self.expect( |
| "expression $" + |
| object_name, |
| substrs=[ |
| '(foo) $', |
| 'a = 121', |
| 'a_ptr = ', |
| ' -> 122', |
| 'i = 242', |
| 'i_ptr = ', |
| ' -> 8888', |
| 'k = 247']) |
| |
| process = self.dbg.GetSelectedTarget().GetProcess() |
| thread = process.GetThreadAtIndex(0) |
| frame = thread.GetSelectedFrame() |
| |
| frozen = frame.EvaluateExpression("$" + object_name + ".a_ptr") |
| |
| a_data = frozen.GetPointeeData() |
| |
| error = lldb.SBError() |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 0) == 122, |
| '*a_ptr = 122') |
| |
| self.runCmd("n") |
| self.runCmd("n") |
| self.runCmd("n") |
| |
| self.expect("frame variable numbers", |
| substrs=['1', '2', '3', '4', '5']) |
| |
| self.expect("expression numbers", |
| substrs=['1', '2', '3', '4', '5']) |
| |
| frozen = frame.EvaluateExpression("&numbers") |
| |
| a_data = frozen.GetPointeeData(0, 1) |
| |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 0) == 1, |
| 'numbers[0] == 1') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 4) == 2, |
| 'numbers[1] == 2') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 8) == 3, |
| 'numbers[2] == 3') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 12) == 4, |
| 'numbers[3] == 4') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 16) == 5, |
| 'numbers[4] == 5') |
| |
| frozen = frame.EvaluateExpression("numbers") |
| |
| a_data = frozen.GetData() |
| |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 0) == 1, |
| 'numbers[0] == 1') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 4) == 2, |
| 'numbers[1] == 2') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 8) == 3, |
| 'numbers[2] == 3') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 12) == 4, |
| 'numbers[3] == 4') |
| self.assertTrue( |
| a_data.GetUnsignedInt32( |
| error, |
| 16) == 5, |
| 'numbers[4] == 5') |
