TestFormattersSBAPI.py
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"""Test Python APIs for working with formatters"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class SBFormattersAPITestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.line = line_number('main.cpp', '// Set break point at this line.')
@add_test_categories(['pyapi'])
def test_formatters_api(self):
"""Test Python APIs for working with formatters"""
self.build()
self.setTearDownCleanup()
"""Test Python APIs for working with formatters"""
self.runCmd("file " + self.getBuildArtifact("a.out"),
CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('type format clear', check=False)
self.runCmd('type summary clear', check=False)
self.runCmd('type filter clear', check=False)
self.runCmd('type synthetic clear', check=False)
self.runCmd('type category delete foobar', check=False)
self.runCmd('type category delete JASSynth', check=False)
self.runCmd('type category delete newbar', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
format = lldb.SBTypeFormat(lldb.eFormatHex)
category = self.dbg.GetDefaultCategory()
category.AddTypeFormat(lldb.SBTypeNameSpecifier("int"), format)
self.expect("frame variable foo.A",
substrs=['0x00000001'])
self.expect("frame variable foo.E", matching=False,
substrs=['b8cca70a'])
category.AddTypeFormat(lldb.SBTypeNameSpecifier("long"), format)
self.expect("frame variable foo.A",
substrs=['0x00000001'])
self.expect("frame variable foo.E",
substrs=['b8cca70a'])
format.SetFormat(lldb.eFormatOctal)
category.AddTypeFormat(lldb.SBTypeNameSpecifier("int"), format)
self.expect("frame variable foo.A",
substrs=[' 01'])
self.expect("frame variable foo.E",
substrs=['b8cca70a'])
category.DeleteTypeFormat(lldb.SBTypeNameSpecifier("int"))
category.DeleteTypeFormat(lldb.SBTypeNameSpecifier("long"))
self.expect("frame variable foo.A", matching=False,
substrs=[' 01'])
self.expect("frame variable foo.E", matching=False,
substrs=['b8cca70a'])
summary = lldb.SBTypeSummary.CreateWithSummaryString(
"the hello world you'll never see")
summary.SetSummaryString('hello world')
new_category = self.dbg.GetCategory("foobar")
self.assertFalse(
new_category.IsValid(),
"getting a non-existing category worked")
new_category = self.dbg.CreateCategory("foobar")
new_category.SetEnabled(True)
new_category.AddTypeSummary(
lldb.SBTypeNameSpecifier(
"^.*t$",
True, # is_regexp
), summary)
self.expect("frame variable foo.A",
substrs=['hello world'])
self.expect("frame variable foo.E", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.B",
substrs=['hello world'])
self.expect("frame variable foo.F",
substrs=['hello world'])
new_category.SetEnabled(False)
self.expect("frame variable foo.A", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.E", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.B", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.F", matching=False,
substrs=['hello world'])
self.dbg.DeleteCategory(new_category.GetName())
self.expect("frame variable foo.A", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.E", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.B", matching=False,
substrs=['hello world'])
self.expect("frame variable foo.F", matching=False,
substrs=['hello world'])
filter = lldb.SBTypeFilter(0)
filter.AppendExpressionPath("A")
filter.AppendExpressionPath("D")
self.assertTrue(
filter.GetNumberOfExpressionPaths() == 2,
"filter with two items does not have two items")
category.AddTypeFilter(lldb.SBTypeNameSpecifier("JustAStruct"), filter)
self.expect("frame variable foo",
substrs=['A = 1', 'D = 6.28'])
self.expect("frame variable foo", matching=False,
substrs=['B = ', 'C = ', 'E = ', 'F = '])
category.DeleteTypeFilter(
lldb.SBTypeNameSpecifier(
"JustAStruct", True))
self.expect("frame variable foo",
substrs=['A = 1', 'D = 6.28'])
self.expect("frame variable foo", matching=False,
substrs=['B = ', 'C = ', 'E = ', 'F = '])
category.DeleteTypeFilter(
lldb.SBTypeNameSpecifier(
"JustAStruct", False))
self.expect("frame variable foo",
substrs=['A = 1', 'D = 6.28'])
self.expect("frame variable foo", matching=True,
substrs=['B = ', 'C = ', 'E = ', 'F = '])
self.runCmd("command script import --allow-reload ./synth.py")
self.expect("frame variable foo", matching=False,
substrs=['X = 1'])
self.dbg.GetCategory("JASSynth").SetEnabled(True)
self.expect("frame variable foo", matching=True,
substrs=['X = 1'])
self.dbg.GetCategory("CCCSynth").SetEnabled(True)
self.expect(
"frame variable ccc",
matching=True,
substrs=[
'CCC object with leading value (int) a = 111',
'a = 111',
'b = 222',
'c = 333'])
foo_var = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame().FindVariable('foo')
self.assertTrue(foo_var.IsValid(), 'could not find foo')
self.assertTrue(
foo_var.GetDeclaration().IsValid(),
'foo declaration is invalid')
self.assertTrue(
foo_var.GetNumChildren() == 2,
'synthetic value has wrong number of child items (synth)')
self.assertTrue(
foo_var.GetChildMemberWithName('X').GetValueAsUnsigned() == 1,
'foo_synth.X has wrong value (synth)')
self.assertFalse(
foo_var.GetChildMemberWithName('B').IsValid(),
'foo_synth.B is valid but should not (synth)')
self.dbg.GetCategory("JASSynth").SetEnabled(False)
foo_var = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame().FindVariable('foo')
self.assertTrue(foo_var.IsValid(), 'could not find foo')
self.assertFalse(
foo_var.GetNumChildren() == 2,
'still seeing synthetic value')
filter = lldb.SBTypeFilter(0)
filter.AppendExpressionPath("A")
filter.AppendExpressionPath("D")
category.AddTypeFilter(lldb.SBTypeNameSpecifier("JustAStruct"), filter)
self.expect("frame variable foo",
substrs=['A = 1', 'D = 6.28'])
foo_var = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame().FindVariable('foo')
self.assertTrue(foo_var.IsValid(), 'could not find foo')
self.assertTrue(
foo_var.GetNumChildren() == 2,
'synthetic value has wrong number of child items (filter)')
self.assertTrue(
foo_var.GetChildMemberWithName('X').GetValueAsUnsigned() == 0,
'foo_synth.X has wrong value (filter)')
self.assertTrue(
foo_var.GetChildMemberWithName('A').GetValueAsUnsigned() == 1,
'foo_synth.A has wrong value (filter)')
self.assertTrue(filter.ReplaceExpressionPathAtIndex(
0, "C"), "failed to replace an expression path in filter")
self.expect("frame variable foo",
substrs=['A = 1', 'D = 6.28'])
category.AddTypeFilter(lldb.SBTypeNameSpecifier("JustAStruct"), filter)
self.expect("frame variable foo",
substrs=["C = 'e'", 'D = 6.28'])
category.AddTypeFilter(lldb.SBTypeNameSpecifier("FooType"), filter)
filter.ReplaceExpressionPathAtIndex(1, "F")
self.expect("frame variable foo",
substrs=["C = 'e'", 'D = 6.28'])
category.AddTypeFilter(lldb.SBTypeNameSpecifier("JustAStruct"), filter)
self.expect("frame variable foo",
substrs=["C = 'e'", 'F = 0'])
self.expect("frame variable bar",
substrs=["C = 'e'", 'D = 6.28'])
foo_var = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame().FindVariable('foo')
self.assertTrue(foo_var.IsValid(), 'could not find foo')
self.assertTrue(
foo_var.GetChildMemberWithName('C').GetValueAsUnsigned() == ord('e'),
'foo_synth.C has wrong value (filter)')
chosen = self.dbg.GetFilterForType(
lldb.SBTypeNameSpecifier("JustAStruct"))
self.assertTrue(
chosen.count == 2,
"wrong filter found for JustAStruct")
self.assertTrue(
chosen.GetExpressionPathAtIndex(0) == 'C',
"wrong item at index 0 for JustAStruct")
self.assertTrue(
chosen.GetExpressionPathAtIndex(1) == 'F',
"wrong item at index 1 for JustAStruct")
self.assertFalse(
category.DeleteTypeFilter(
lldb.SBTypeNameSpecifier("NoSuchType")),
"deleting a non-existing filter worked")
self.assertFalse(
category.DeleteTypeSummary(
lldb.SBTypeNameSpecifier("NoSuchType")),
"deleting a non-existing summary worked")
self.assertFalse(
category.DeleteTypeFormat(
lldb.SBTypeNameSpecifier("NoSuchType")),
"deleting a non-existing format worked")
self.assertFalse(
category.DeleteTypeSynthetic(
lldb.SBTypeNameSpecifier("NoSuchType")),
"deleting a non-existing synthetic worked")
self.assertFalse(
category.DeleteTypeFilter(
lldb.SBTypeNameSpecifier("")),
"deleting a filter for '' worked")
self.assertFalse(
category.DeleteTypeSummary(
lldb.SBTypeNameSpecifier("")),
"deleting a summary for '' worked")
self.assertFalse(
category.DeleteTypeFormat(
lldb.SBTypeNameSpecifier("")),
"deleting a format for '' worked")
self.assertFalse(
category.DeleteTypeSynthetic(
lldb.SBTypeNameSpecifier("")),
"deleting a synthetic for '' worked")
try:
self.assertFalse(
category.AddTypeSummary(
lldb.SBTypeNameSpecifier("NoneSuchType"),
None),
"adding a summary valued None worked")
except:
pass
else:
self.assertFalse(True, "adding a summary valued None worked")
try:
self.assertFalse(
category.AddTypeFilter(
lldb.SBTypeNameSpecifier("NoneSuchType"),
None),
"adding a filter valued None worked")
except:
pass
else:
self.assertFalse(True, "adding a filter valued None worked")
try:
self.assertFalse(
category.AddTypeSynthetic(
lldb.SBTypeNameSpecifier("NoneSuchType"),
None),
"adding a synthetic valued None worked")
except:
pass
else:
self.assertFalse(True, "adding a synthetic valued None worked")
try:
self.assertFalse(
category.AddTypeFormat(
lldb.SBTypeNameSpecifier("NoneSuchType"),
None),
"adding a format valued None worked")
except:
pass
else:
self.assertFalse(True, "adding a format valued None worked")
self.assertFalse(
category.AddTypeSummary(
lldb.SBTypeNameSpecifier("EmptySuchType"),
lldb.SBTypeSummary()),
"adding a summary without value worked")
self.assertFalse(
category.AddTypeFilter(
lldb.SBTypeNameSpecifier("EmptySuchType"),
lldb.SBTypeFilter()),
"adding a filter without value worked")
self.assertFalse(
category.AddTypeSynthetic(
lldb.SBTypeNameSpecifier("EmptySuchType"),
lldb.SBTypeSynthetic()),
"adding a synthetic without value worked")
self.assertFalse(
category.AddTypeFormat(
lldb.SBTypeNameSpecifier("EmptySuchType"),
lldb.SBTypeFormat()),
"adding a format without value worked")
self.assertFalse(
category.AddTypeSummary(
lldb.SBTypeNameSpecifier(""),
lldb.SBTypeSummary.CreateWithSummaryString("")),
"adding a summary for an invalid type worked")
self.assertFalse(
category.AddTypeFilter(
lldb.SBTypeNameSpecifier(""),
lldb.SBTypeFilter(0)),
"adding a filter for an invalid type worked")
self.assertFalse(
category.AddTypeSynthetic(
lldb.SBTypeNameSpecifier(""),
lldb.SBTypeSynthetic.CreateWithClassName("")),
"adding a synthetic for an invalid type worked")
self.assertFalse(
category.AddTypeFormat(
lldb.SBTypeNameSpecifier(""),
lldb.SBTypeFormat(
lldb.eFormatHex)),
"adding a format for an invalid type worked")
new_category = self.dbg.CreateCategory("newbar")
new_category.AddTypeSummary(
lldb.SBTypeNameSpecifier("JustAStruct"),
lldb.SBTypeSummary.CreateWithScriptCode("return 'hello scripted world';"))
self.expect("frame variable foo", matching=False,
substrs=['hello scripted world'])
new_category.SetEnabled(True)
self.expect("frame variable foo", matching=True,
substrs=['hello scripted world'])
self.expect("frame variable foo_ptr", matching=True,
substrs=['hello scripted world'])
new_category.AddTypeSummary(
lldb.SBTypeNameSpecifier("JustAStruct"),
lldb.SBTypeSummary.CreateWithScriptCode(
"return 'hello scripted world';",
lldb.eTypeOptionSkipPointers))
self.expect("frame variable foo", matching=True,
substrs=['hello scripted world'])
frame = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame()
foo_ptr = frame.FindVariable("foo_ptr")
summary = foo_ptr.GetTypeSummary()
self.assertFalse(
summary.IsValid(),
"summary found for foo* when none was planned")
self.expect("frame variable foo_ptr", matching=False,
substrs=['hello scripted world'])
new_category.AddTypeSummary(
lldb.SBTypeNameSpecifier("JustAStruct"),
lldb.SBTypeSummary.CreateWithSummaryString(
"hello static world",
lldb.eTypeOptionNone))
summary = foo_ptr.GetTypeSummary()
self.assertTrue(
summary.IsValid(),
"no summary found for foo* when one was in place")
self.assertTrue(
summary.GetData() == "hello static world",
"wrong summary found for foo*")
self.expect("frame variable e1", substrs=["I am an empty Empty1 {}"])
self.expect("frame variable e2", substrs=["I am an empty Empty2"])
self.expect(
"frame variable e2",
substrs=["I am an empty Empty2 {}"],
matching=False)
self.assertTrue(
self.dbg.GetCategory(
lldb.eLanguageTypeObjC) is not None,
"ObjC category is None")
@add_test_categories(['pyapi'])
def test_force_synth_off(self):
"""Test that one can have the public API return non-synthetic SBValues if desired"""
self.build(dictionary={'EXE': 'no_synth'})
self.setTearDownCleanup()
self.runCmd("file " + self.getBuildArtifact("no_synth"),
CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('type format clear', check=False)
self.runCmd('type summary clear', check=False)
self.runCmd('type filter clear', check=False)
self.runCmd('type synthetic clear', check=False)
self.runCmd('type category delete foobar', check=False)
self.runCmd('type category delete JASSynth', check=False)
self.runCmd('type category delete newbar', check=False)
self.runCmd('settings set target.enable-synthetic-value true')
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
frame = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame()
int_vector = frame.FindVariable("int_vector")
if self.TraceOn():
print(int_vector)
self.assertTrue(
int_vector.GetNumChildren() == 0,
'synthetic vector is empty')
self.runCmd('settings set target.enable-synthetic-value false')
frame = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame()
int_vector = frame.FindVariable("int_vector")
if self.TraceOn():
print(int_vector)
self.assertFalse(
int_vector.GetNumChildren() == 0,
'"physical" vector is not empty')
self.runCmd('settings set target.enable-synthetic-value true')
frame = self.dbg.GetSelectedTarget().GetProcess(
).GetSelectedThread().GetSelectedFrame()
int_vector = frame.FindVariable("int_vector")
if self.TraceOn():
print(int_vector)
self.assertTrue(
int_vector.GetNumChildren() == 0,
'synthetic vector is still empty')