| """ |
| Test lldb data formatter subsystem. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class LibCxxFunctionTestCase(TestBase): |
| # Run frame var for a variable twice. Verify we do not hit the cache |
| # the first time but do the second time. |
| def run_frame_var_check_cache_use( |
| self, variable, result_to_match, skip_find_function=False |
| ): |
| self.runCmd("log timers reset") |
| self.expect( |
| "frame variable " + variable, substrs=[variable + " = " + result_to_match] |
| ) |
| if not skip_find_function: |
| self.expect( |
| "log timers dump", substrs=["lldb_private::CompileUnit::FindFunction"] |
| ) |
| |
| self.runCmd("log timers reset") |
| self.expect( |
| "frame variable " + variable, substrs=[variable + " = " + result_to_match] |
| ) |
| self.expect( |
| "log timers dump", |
| matching=False, |
| substrs=["lldb_private::CompileUnit::FindFunction"], |
| ) |
| |
| @add_test_categories(["libc++"]) |
| def test(self): |
| """Test that std::function as defined by libc++ is correctly printed by LLDB""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| bkpt = self.target().FindBreakpointByID( |
| lldbutil.run_break_set_by_source_regexp( |
| self, "Set break point at this line." |
| ) |
| ) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT, |
| substrs=["stopped", "stop reason = breakpoint"], |
| ) |
| |
| self.run_frame_var_check_cache_use( |
| "foo2_f", "Lambda in File main.cpp at Line 22" |
| ) |
| |
| lldbutil.continue_to_breakpoint(self.process(), bkpt) |
| |
| self.run_frame_var_check_cache_use( |
| "add_num2_f", "Lambda in File main.cpp at Line 13" |
| ) |
| |
| lldbutil.continue_to_breakpoint(self.process(), bkpt) |
| |
| self.run_frame_var_check_cache_use("f2", "Lambda in File main.cpp at Line 35") |
| self.run_frame_var_check_cache_use( |
| "f3", "Lambda in File main.cpp at Line 39", True |
| ) |
| # TODO reenable this case when std::function formatter supports |
| # general callable object case. |
| # self.run_frame_var_check_cache_use("f4", "Function in File main.cpp at Line 8") |
| |
| # These cases won't hit the cache at all but also don't require |
| # an expensive lookup. |
| self.expect("frame variable f1", substrs=["f1 = Function = foo(int, int)"]) |
| |
| self.expect( |
| "frame variable f5", substrs=["f5 = Function = Bar::add_num(int) const"] |
| ) |
