#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
+#include "lldb/lldb-private-enumerations.h"
using namespace lldb;
using namespace lldb_private;
CommandObjectExpression::GetEvalOptions(const Target &target) {
EvaluateExpressionOptions options;
options.SetCoerceToId(m_varobj_options.use_objc);
+ if (m_command_options.m_verbosity ==
+ eLanguageRuntimeDescriptionDisplayVerbosityCompact)
+ options.SetSuppressPersistentResult(m_varobj_options.use_objc);
options.SetUnwindOnError(m_command_options.unwind_on_error);
options.SetIgnoreBreakpoints(m_command_options.ignore_breakpoints);
options.SetKeepInMemory(true);
--- /dev/null
+"""
+Test behavior of `po` and persistent results.
+"""
+
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestCase(TestBase):
+ def setUp(self):
+ TestBase.setUp(self)
+ self.build()
+ lldbutil.run_to_source_breakpoint(self, "break here", lldb.SBFileSpec("main.m"))
+
+ def test_po_does_not_print_persistent_result(self):
+ """Test `po` doesn't advertise a persistent result variable."""
+ self.expect("po obj", matching=False, substrs=["$0 = "])
+
+ def test_po_does_not_keep_persistent_result(self):
+ """Test `po` doesn't leak a persistent result variable."""
+ self.expect("po obj")
+ # Verify `po` used a temporary persistent result. In other words, there
+ # should be no $0 at this point.
+ self.expect("expression $0", error=True)
+ self.expect("expression obj", substrs=["$0 = "])
+
+ def test_expression_description_verbosity(self):
+ """Test printing object description _and_ opt-in to persistent results."""
+ self.expect("expression -O -vfull -- obj", substrs=["$0 = "])
+ self.expect("expression $0", substrs=["$0 = "])