"""
Test lldb-mi -stack-list-locals -stack-list-variables and -var-create commands
for variables with the same name in sibling lexical scopes.
"""
from __future__ import print_function
import lldbmi_testcase
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class MiLexicalScopeTestCase(lldbmi_testcase.MiTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
@skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfRemote # We do not currently support remote debugging via the MI.
def test_lldbmi_var_create_in_sibling_scope(self):
"""Test that 'lldb-mi --interpreter' works with sibling lexical scopes."""
self.spawnLldbMi(args=None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Breakpoint inside first scope
line = line_number('main.cpp', '// BP_first')
self.runCmd("-break-insert --file main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"\d+\"")
# Breakpoint inside second scope
line = line_number('main.cpp', '// BP_second')
self.runCmd("-break-insert --file main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"\d+\"")
# Run to the first scope
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Check that only variables a and b exist with expected values
self.runCmd("-stack-list-locals --thread 1 --frame 0 --all-values")
self.expect("\^done,locals=\[{name=\"a\",value=\"1\"},{name=\"b\",value=\"2\"}\]")
# Create variable object for local variable b
self.runCmd("-var-create - * \"b\"")
self.expect(
"\^done,name=\"var\d+\",numchild=\"0\",value=\"2\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
# Run to the second scope
self.runCmd("-exec-continue")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Check that only variables a and b exist with expected values,
# but variable b is different from previous breakpoint
self.runCmd("-stack-list-variables --thread 1 --frame 0 --all-values")
self.expect("\^done,variables=\[{name=\"a\",value=\"1\"},{name=\"b\",value=\"3\"}\]")
# Create variable object for local variable b
self.runCmd("-var-create - * \"b\"")
self.expect(
"\^done,name=\"var\d+\",numchild=\"0\",value=\"3\",type=\"short\",thread-id=\"1\",has_more=\"0\"")
