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"""
Test that SBFrame::GetVariables() calls work correctly.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbplatform
from lldbsuite.test import lldbutil
def get_names_from_value_list(value_list):
names = list()
for value in value_list:
names.append(value.GetName())
return names
class TestGetVariables(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.source = "main.c"
def verify_variable_names(self, description, value_list, names):
copy_names = list(names)
actual_names = get_names_from_value_list(value_list)
for name in actual_names:
if name in copy_names:
copy_names.remove(name)
else:
self.assertTrue(False, "didn't find '%s' in %s" % (name, copy_names))
self.assertEqual(
len(copy_names),
0,
"%s: we didn't find variables: %s in value list (%s)"
% (description, copy_names, actual_names),
)
def test(self):
self.build()
# Set debugger into synchronous mode
self.dbg.SetAsync(False)
# Create a target by the debugger.
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
line1 = line_number(self.source, "// breakpoint 1")
line2 = line_number(self.source, "// breakpoint 2")
line3 = line_number(self.source, "// breakpoint 3")
breakpoint1 = target.BreakpointCreateByLocation(self.source, line1)
breakpoint2 = target.BreakpointCreateByLocation(self.source, line2)
breakpoint3 = target.BreakpointCreateByLocation(self.source, line3)
self.assertTrue(breakpoint1.GetNumLocations() >= 1, PROCESS_IS_VALID)
self.assertTrue(breakpoint2.GetNumLocations() >= 1, PROCESS_IS_VALID)
self.assertTrue(breakpoint3.GetNumLocations() >= 1, PROCESS_IS_VALID)
# Register our shared libraries for remote targets so they get
# automatically uploaded
arguments = None
environment = None
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
arguments, environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
threads = lldbutil.get_threads_stopped_at_breakpoint(process, breakpoint1)
self.assertEqual(
len(threads), 1, "There should be a thread stopped at breakpoint 1"
)
thread = threads[0]
self.assertTrue(thread.IsValid(), "Thread must be valid")
frame = thread.GetFrameAtIndex(0)
self.assertTrue(frame.IsValid(), "Frame must be valid")
arg_names = ["argc", "argv"]
local_names = ["i", "j", "k"]
static_names = ["static_var", "g_global_var", "g_static_var"]
breakpoint1_locals = ["i"]
breakpoint1_statics = ["static_var"]
num_args = len(arg_names)
num_locals = len(local_names)
num_statics = len(static_names)
args_yes = True
args_no = False
locals_yes = True
locals_no = False
statics_yes = True
statics_no = False
in_scopy_only = True
ignore_scope = False
# Verify if we ask for only arguments that we got what we expect
vars = frame.GetVariables(args_yes, locals_no, statics_no, ignore_scope)
self.assertEqual(
vars.GetSize(),
num_args,
"There should be %i arguments, but we are reporting %i"
% (num_args, vars.GetSize()),
)
self.verify_variable_names("check names of arguments", vars, arg_names)
self.assertEqual(
len(arg_names),
num_args,
"make sure verify_variable_names() didn't mutate list",
)
# Verify if we ask for only locals that we got what we expect
vars = frame.GetVariables(args_no, locals_yes, statics_no, ignore_scope)
self.assertEqual(
vars.GetSize(),
num_locals,
"There should be %i local variables, but we are reporting %i"
% (num_locals, vars.GetSize()),
)
self.verify_variable_names("check names of locals", vars, local_names)
# Verify if we ask for only statics that we got what we expect
vars = frame.GetVariables(args_no, locals_no, statics_yes, ignore_scope)
print("statics: ", str(vars))
self.assertEqual(
vars.GetSize(),
num_statics,
"There should be %i static variables, but we are reporting %i"
% (num_statics, vars.GetSize()),
)
self.verify_variable_names("check names of statics", vars, static_names)
# Verify if we ask for arguments and locals that we got what we expect
vars = frame.GetVariables(args_yes, locals_yes, statics_no, ignore_scope)
desc = "arguments + locals"
names = arg_names + local_names
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
# Verify if we ask for arguments and statics that we got what we expect
vars = frame.GetVariables(args_yes, locals_no, statics_yes, ignore_scope)
desc = "arguments + statics"
names = arg_names + static_names
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
# Verify if we ask for locals and statics that we got what we expect
vars = frame.GetVariables(args_no, locals_yes, statics_yes, ignore_scope)
desc = "locals + statics"
names = local_names + static_names
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
# Verify if we ask for arguments, locals and statics that we got what
# we expect
vars = frame.GetVariables(args_yes, locals_yes, statics_yes, ignore_scope)
desc = "arguments + locals + statics"
names = arg_names + local_names + static_names
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
# Verify if we ask for in scope locals that we got what we expect
vars = frame.GetVariables(args_no, locals_yes, statics_no, in_scopy_only)
desc = "in scope locals at breakpoint 1"
names = ["i"]
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
# Continue to breakpoint 2
process.Continue()
threads = lldbutil.get_threads_stopped_at_breakpoint(process, breakpoint2)
self.assertEqual(
len(threads), 1, "There should be a thread stopped at breakpoint 2"
)
thread = threads[0]
self.assertTrue(thread.IsValid(), "Thread must be valid")
frame = thread.GetFrameAtIndex(0)
self.assertTrue(frame.IsValid(), "Frame must be valid")
# Verify if we ask for in scope locals that we got what we expect
vars = frame.GetVariables(args_no, locals_yes, statics_no, in_scopy_only)
desc = "in scope locals at breakpoint 2"
names = ["i", "j"]
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
# Continue to breakpoint 3
process.Continue()
threads = lldbutil.get_threads_stopped_at_breakpoint(process, breakpoint3)
self.assertEqual(
len(threads), 1, "There should be a thread stopped at breakpoint 3"
)
thread = threads[0]
self.assertTrue(thread.IsValid(), "Thread must be valid")
frame = thread.GetFrameAtIndex(0)
self.assertTrue(frame.IsValid(), "Frame must be valid")
# Verify if we ask for in scope locals that we got what we expect
vars = frame.GetVariables(args_no, locals_yes, statics_no, in_scopy_only)
desc = "in scope locals at breakpoint 3"
names = ["i", "j", "k"]
count = len(names)
self.assertEqual(
vars.GetSize(),
count,
"There should be %i %s (%s) but we are reporting %i (%s)"
% (count, desc, names, vars.GetSize(), get_names_from_value_list(vars)),
)
self.verify_variable_names("check names of %s" % (desc), vars, names)
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