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"""
Test that SBFrame::GetVariables() calls work correctly.
"""
from __future__ import print_function
import os, time
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):
mydir = TestBase.compute_mydir(__file__)
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 = os.path.join(os.getcwd(), "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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