| """ |
| Test the printing of anonymous and named namespace variables. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class NamespaceLookupTestCase(TestBase): |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Break inside different scopes and evaluate value |
| self.line_break_global_scope = line_number("ns.cpp", "// BP_global_scope") |
| self.line_break_file_scope = line_number("ns2.cpp", "// BP_file_scope") |
| self.line_break_ns_scope = line_number("ns2.cpp", "// BP_ns_scope") |
| self.line_break_nested_ns_scope = line_number( |
| "ns2.cpp", "// BP_nested_ns_scope" |
| ) |
| self.line_break_nested_ns_scope_after_using = line_number( |
| "ns2.cpp", "// BP_nested_ns_scope_after_using" |
| ) |
| self.line_break_before_using_directive = line_number( |
| "ns3.cpp", "// BP_before_using_directive" |
| ) |
| self.line_break_after_using_directive = line_number( |
| "ns3.cpp", "// BP_after_using_directive" |
| ) |
| |
| def runToBkpt(self, command): |
| self.runCmd(command, RUN_SUCCEEDED) |
| # The stop reason of the thread should be breakpoint. |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT, |
| substrs=["stopped", "stop reason = breakpoint"], |
| ) |
| |
| @skipIfWindows # This is flakey on Windows: llvm.org/pr38373 |
| @expectedFailure("CU-local objects incorrectly scoped") |
| def test_scope_lookup_with_run_command_globals(self): |
| """Test scope lookup of functions in lldb.""" |
| self.build() |
| |
| lldbutil.run_to_source_breakpoint( |
| self, self.line_break_global_scope, lldb.SBFileSpec("ns.cpp") |
| ) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns3.cpp", |
| self.line_break_before_using_directive, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns3.cpp", |
| self.line_break_after_using_directive, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_global_scope at file scope |
| self.runToBkpt("run") |
| |
| # FIXME: LLDB does not correctly scope CU-local objects. |
| # LLDB currently lumps functions from all files into |
| # a single AST and depending on the order with which |
| # functions are considered, LLDB can incorrectly call |
| # the static local ns.cpp::func() instead of the expected |
| # ::func() |
| |
| # Evaluate func() - should call ::func() |
| self.expect_expr("func()", expect_type="int", expect_value="1") |
| |
| # Evaluate ::func() - should call A::func() |
| self.expect_expr("::func()", result_type="int", result_value="1") |
| |
| # Continue to BP_before_using_directive at file scope |
| self.runToBkpt("continue") |
| |
| # Evaluate func() - should call ::func() |
| self.expect_expr("func()", result_type="int", result_value="1") |
| |
| # Evaluate ::func() - should call ::func() |
| self.expect_expr("::func()", result_type="int", result_value="1") |
| |
| # Continue to BP_after_using_directive at file scope |
| self.runToBkpt("continue") |
| |
| # Evaluate ::func() - should call ::func() |
| self.expect_expr("::func()", result_type="int", result_value="1") |
| |
| @skipIfWindows # This is flakey on Windows: llvm.org/pr38373 |
| def test_scope_lookup_with_run_command(self): |
| """Test scope lookup of functions in lldb.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns.cpp", |
| self.line_break_global_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_ns_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_nested_ns_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_nested_ns_scope_after_using, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_file_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns3.cpp", |
| self.line_break_before_using_directive, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns3.cpp", |
| self.line_break_after_using_directive, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_global_scope at global scope |
| self.runToBkpt("run") |
| |
| # Evaluate A::B::func() - should call A::B::func() |
| self.expect_expr("A::B::func()", result_type="int", result_value="4") |
| # Evaluate func(10) - should call ::func(int) |
| self.expect_expr("func(10)", result_type="int", result_value="11") |
| # Evaluate A::foo() - should call A::foo() |
| self.expect_expr("A::foo()", result_type="int", result_value="42") |
| |
| # Continue to BP_file_scope at file scope |
| self.runToBkpt("continue") |
| # FIXME: In DWARF 5 with dsyms, the ordering of functions is slightly |
| # different, which also hits the same issues mentioned previously. |
| if (configuration.dwarf_version <= 4 or |
| self.getDebugInfo() == 'dwarf'): |
| self.expect_expr("func()", result_type="int", result_value="2") |
| |
| # Continue to BP_ns_scope at ns scope |
| self.runToBkpt("continue") |
| # Evaluate func(10) - should call A::func(int) |
| self.expect_expr("func(10)", result_type="int", result_value="13") |
| # Evaluate B::func() - should call B::func() |
| self.expect_expr("B::func()", result_type="int", result_value="4") |
| # Evaluate func() - should call A::func() |
| self.expect_expr("func()", result_type="int", result_value="3") |
| |
| # Continue to BP_nested_ns_scope at nested ns scope |
| self.runToBkpt("continue") |
| # Evaluate func() - should call A::B::func() |
| self.expect_expr("func()", result_type="int", result_value="4") |
| # Evaluate A::func() - should call A::func() |
| self.expect_expr("A::func()", result_type="int", result_value="3") |
| |
| # Evaluate func(10) - should call A::func(10) |
| # NOTE: Under the rules of C++, this test would normally get an error |
| # because A::B::func() hides A::func(), but lldb intentionally |
| # disobeys these rules so that the intended overload can be found |
| # by only removing duplicates if they have the same type. |
| self.expect_expr("func(10)", result_type="int", result_value="13") |
| |
| # Continue to BP_nested_ns_scope_after_using at nested ns scope after |
| # using declaration |
| self.runToBkpt("continue") |
| # Evaluate A::func(10) - should call A::func(int) |
| self.expect_expr("A::func(10)", result_type="int", result_value="13") |
| |
| # Continue to BP_before_using_directive at global scope before using |
| # declaration |
| self.runToBkpt("continue") |
| # Evaluate B::func() - should call B::func() |
| self.expect_expr("B::func()", result_type="int", result_value="4") |
| |
| # Continue to BP_after_using_directive at global scope after using |
| # declaration |
| self.runToBkpt("continue") |
| # Evaluate B::func() - should call B::func() |
| self.expect_expr("B::func()", result_type="int", result_value="4") |
| |
| @expectedFailure("lldb scope lookup of functions bugs") |
| def test_function_scope_lookup_with_run_command(self): |
| """Test scope lookup of functions in lldb.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns.cpp", |
| self.line_break_global_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_ns_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_global_scope at global scope |
| self.runToBkpt("run") |
| # Evaluate foo() - should call ::foo() |
| # FIXME: lldb finds Y::foo because lookup for variables is done |
| # before functions. |
| self.expect_expr("foo()", result_type="int", result_value="42") |
| # Evaluate ::foo() - should call ::foo() |
| # FIXME: lldb finds Y::foo because lookup for variables is done |
| # before functions and :: is ignored. |
| self.expect_expr("::foo()", result_type="int", result_value="42") |
| |
| # Continue to BP_ns_scope at ns scope |
| self.runToBkpt("continue") |
| # Evaluate foo() - should call A::foo() |
| # FIXME: lldb finds Y::foo because lookup for variables is done |
| # before functions. |
| self.expect_expr("foo()", result_type="int", result_value="42") |
| |
| # NOTE: this test may fail on older systems that don't emit import |
| # entries in DWARF - may need to add checks for compiler versions here. |
| @skipIf(compiler="gcc", oslist=["linux"], debug_info=["dwo"]) # Skip to avoid crash |
| def test_scope_after_using_directive_lookup_with_run_command(self): |
| """Test scope lookup after using directive in lldb.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns3.cpp", |
| self.line_break_after_using_directive, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_after_using_directive at global scope after using |
| # declaration |
| self.runToBkpt("run") |
| # Evaluate func2() - should call A::func2() |
| self.expect_expr("func2()", result_type="int", result_value="3") |
| |
| @expectedFailure("lldb scope lookup after using declaration bugs") |
| # NOTE: this test may fail on older systems that don't emit import |
| # emtries in DWARF - may need to add checks for compiler versions here. |
| def test_scope_after_using_declaration_lookup_with_run_command(self): |
| """Test scope lookup after using declaration in lldb.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_nested_ns_scope_after_using, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_nested_ns_scope_after_using at nested ns scope after using |
| # declaration |
| self.runToBkpt("run") |
| # Evaluate func() - should call A::func() |
| self.expect_expr("func()", result_type="int", result_value="3") |
| |
| @expectedFailure("lldb scope lookup ambiguity after using bugs") |
| def test_scope_ambiguity_after_using_lookup_with_run_command(self): |
| """Test scope lookup ambiguity after using in lldb.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns3.cpp", |
| self.line_break_after_using_directive, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_after_using_directive at global scope after using |
| # declaration |
| self.runToBkpt("run") |
| # Evaluate func() - should get error: ambiguous |
| # FIXME: This test fails because lldb removes duplicates if they have |
| # the same type. |
| self.expect("expr -- func()", startstr="error") |
| |
| def test_scope_lookup_shadowed_by_using_with_run_command(self): |
| """Test scope lookup shadowed by using in lldb.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "ns2.cpp", |
| self.line_break_nested_ns_scope, |
| num_expected_locations=1, |
| loc_exact=False, |
| ) |
| |
| # Run to BP_nested_ns_scope at nested ns scope |
| self.runToBkpt("run") |
| # Evaluate func(10) - should call A::func(10) |
| # NOTE: Under the rules of C++, this test would normally get an error |
| # because A::B::func() shadows A::func(), but lldb intentionally |
| # disobeys these rules so that the intended overload can be found |
| # by only removing duplicates if they have the same type. |
| self.expect_expr("func(10)", result_type="int", result_value="13") |
