| """Test that lldb works correctly on compile units form different languages.""" |
| |
| |
| import re |
| import lldb |
| from lldbsuite.test.lldbtest import * |
| |
| |
| class MixedLanguagesTestCase(TestBase): |
| def test_language_of_frame(self): |
| """Test that the language defaults to the language of the current frame.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Execute the cleanup function during test case tear down |
| # to restore the frame format. |
| def cleanup(): |
| self.runCmd( |
| "settings set frame-format %s" % self.format_string, check=False |
| ) |
| |
| self.addTearDownHook(cleanup) |
| self.runCmd("settings show frame-format") |
| m = re.match(r'^frame-format \(format-string\) = "(.*)"$', self.res.GetOutput()) |
| self.assertTrue(m, "Bad settings string") |
| self.format_string = m.group(1) |
| |
| # Change the default format to print the language. |
| format_string = "frame #${frame.index}: ${frame.pc}{ ${module.file.basename}\\`${function.name}{${function.pc-offset}}}{, lang=${language}}\n" |
| self.runCmd("settings set frame-format %s" % format_string) |
| self.expect( |
| "settings show frame-format", |
| SETTING_MSG("frame-format"), |
| substrs=[format_string], |
| ) |
| |
| # Run to BP at main (in main.c) and test that the language is C. |
| self.runCmd("breakpoint set -n main") |
| self.runCmd("run") |
| self.expect("thread backtrace", substrs=["`main", "lang=c"]) |
| # Make sure evaluation of C++11 fails. |
| self.expect("expr foo != nullptr", error=True, substrs=["error"]) |
| |
| # Run to BP at foo (in foo.cpp) and test that the language is C++. |
| self.runCmd("breakpoint set -n foo") |
| self.runCmd("continue") |
| self.expect("thread backtrace", substrs=["`::foo()", "lang=c++"]) |
| # Make sure we can evaluate an expression requiring C++11 |
| # (note: C++11 is enabled by default for C++). |
| self.expect("expr foo != nullptr", patterns=["true"]) |
