| """ |
| Test using LLDB data formatters with frozen objects coming from the expression parser. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ExprFormattersTestCase(TestBase): |
| 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") |
| |
| @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.filecheck( |
| "expression --show-types -- *(new_foo(47))", |
| __file__, |
| "-check-prefix=EXPR-TYPES-NEW-FOO", |
| ) |
| # EXPR-TYPES-NEW-FOO: (foo) ${{.*}} = { |
| # EXPR-TYPES-NEW-FOO-NEXT: (int) a = 47 |
| # EXPR-TYPES-NEW-FOO-NEXT: (int *) a_ptr = 0x |
| # EXPR-TYPES-NEW-FOO-NEXT: (bar) b = { |
| # EXPR-TYPES-NEW-FOO-NEXT: (int) i = 94 |
| # EXPR-TYPES-NEW-FOO-NEXT: (int *) i_ptr = 0x |
| # EXPR-TYPES-NEW-FOO-NEXT: (baz) b = { |
| # EXPR-TYPES-NEW-FOO-NEXT: (int) h = 97 |
| # EXPR-TYPES-NEW-FOO-NEXT: (int) k = 99 |
| # EXPR-TYPES-NEW-FOO-NEXT: } |
| # EXPR-TYPES-NEW-FOO-NEXT: (baz &) b_ref = 0x |
| # EXPR-TYPES-NEW-FOO-NEXT: } |
| # EXPR-TYPES-NEW-FOO-NEXT: } |
| |
| self.runCmd("type summary add -F formatters.foo_SummaryProvider3 foo") |
| self.filecheck("expression foo1", __file__, "-check-prefix=EXPR-FOO1opts") |
| # EXPR-FOO1opts: (foo) $ |
| # EXPR-FOO1opts-SAME: a = 12 |
| # EXPR-FOO1opts-SAME: a_ptr = {{[0-9]+}} -> 13 |
| # EXPR-FOO1opts-SAME: i = 24 |
| # EXPR-FOO1opts-SAME: i_ptr = {{[0-9]+}} -> 25 |
| # EXPR-FOO1opts-SAME: b_ref = {{[0-9]+}} |
| # EXPR-FOO1opts-SAME: h = 27 |
| # EXPR-FOO1opts-SAME: k = 29 |
| # EXPR-FOO1opts-SAME: WITH_OPTS |
| |
| self.runCmd("type summary delete foo") |
| |
| 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.filecheck("expression foo1", __file__, "-check-prefix=EXPR-FOO1") |
| # EXPR-FOO1: (foo) $ |
| # EXPR-FOO1-SAME: a = 12 |
| # EXPR-FOO1-SAME: a_ptr = {{[0-9]+}} -> 13 |
| # EXPR-FOO1-SAME: i = 24 |
| # EXPR-FOO1-SAME: i_ptr = {{[0-9]+}} -> 25 |
| # EXPR-FOO1-SAME: b_ref = {{[0-9]+}} |
| # EXPR-FOO1-SAME: h = 27 |
| # EXPR-FOO1-SAME: k = 29 |
| |
| self.filecheck( |
| "expression --ptr-depth=1 -- new_foo(47)", |
| __file__, |
| "-check-prefix=EXPR-PTR-DEPTH1", |
| ) |
| # EXPR-PTR-DEPTH1: (foo *) $ |
| # EXPR-PTR-DEPTH1-SAME: a = 47 |
| # EXPR-PTR-DEPTH1-SAME: a_ptr = {{[0-9]+}} -> 48 |
| # EXPR-PTR-DEPTH1-SAME: i = 94 |
| # EXPR-PTR-DEPTH1-SAME: i_ptr = {{[0-9]+}} -> 95 |
| |
| self.filecheck("expression foo2", __file__, "-check-prefix=EXPR-FOO2") |
| # EXPR-FOO2: (foo) $ |
| # EXPR-FOO2-SAME: a = 121 |
| # EXPR-FOO2-SAME: a_ptr = {{[0-9]+}} -> 122 |
| # EXPR-FOO2-SAME: i = 242 |
| # EXPR-FOO2-SAME: i_ptr = {{[0-9]+}} -> 243 |
| # EXPR-FOO2-SAME: h = 245 |
| # EXPR-FOO2-SAME: k = 247 |
| |
| object_name = self.res.GetOutput() |
| object_name = object_name[7:] |
| object_name = object_name[0 : object_name.find(" =")] |
| |
| self.filecheck("frame variable foo2", __file__, "-check-prefix=VAR-FOO2") |
| # VAR-FOO2: (foo) foo2 |
| # VAR-FOO2-SAME: a = 121 |
| # VAR-FOO2-SAME: a_ptr = {{[0-9]+}} -> 122 |
| # VAR-FOO2-SAME: i = 242 |
| # VAR-FOO2-SAME: i_ptr = {{[0-9]+}} -> 243 |
| # VAR-FOO2-SAME: h = 245 |
| # VAR-FOO2-SAME: k = 247 |
| |
| # The object is the same as foo2, so use the EXPR-FOO2 checks. |
| self.filecheck( |
| "expression $" + object_name, __file__, "-check-prefix=EXPR-FOO2" |
| ) |
| |
| 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.assertEqual(a_data.GetUnsignedInt32(error, 0), 122, "*a_ptr = 122") |
| |
| ret = line_number("main.cpp", "Done initializing") |
| self.runCmd("thread until " + str(ret)) |
| |
| 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.assertEqual(a_data.GetUnsignedInt32(error, 0), 1, "numbers[0] == 1") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 4), 2, "numbers[1] == 2") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 8), 3, "numbers[2] == 3") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 12), 4, "numbers[3] == 4") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 16), 5, "numbers[4] == 5") |
| |
| frozen = frame.EvaluateExpression("numbers") |
| |
| a_data = frozen.GetData() |
| |
| self.assertEqual(a_data.GetUnsignedInt32(error, 0), 1, "numbers[0] == 1") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 4), 2, "numbers[1] == 2") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 8), 3, "numbers[2] == 3") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 12), 4, "numbers[3] == 4") |
| self.assertEqual(a_data.GetUnsignedInt32(error, 16), 5, "numbers[4] == 5") |
