""" 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 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')