mirror of
https://github.com/Gericom/teak-llvm.git
synced 2025-06-22 13:05:52 -04:00
136 lines
4.8 KiB
Python
136 lines
4.8 KiB
Python
"""
|
|
Test lldb Python API SBValue::Cast(SBType) for C++ types.
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
|
|
import unittest2
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class CppValueCastTestCase(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
@skipIf(bugnumber="llvm.org/PR36714")
|
|
@add_test_categories(['pyapi'])
|
|
def test_value_cast_with_virtual_inheritance(self):
|
|
"""Test SBValue::Cast(SBType) API for C++ types with virtual inheritance."""
|
|
self.build(dictionary=self.d_virtual)
|
|
self.setTearDownCleanup(dictionary=self.d_virtual)
|
|
self.do_sbvalue_cast(self.exe_name)
|
|
|
|
@add_test_categories(['pyapi'])
|
|
def test_value_cast_with_regular_inheritance(self):
|
|
"""Test SBValue::Cast(SBType) API for C++ types with regular inheritance."""
|
|
self.build(dictionary=self.d_regular)
|
|
self.setTearDownCleanup(dictionary=self.d_regular)
|
|
self.do_sbvalue_cast(self.exe_name)
|
|
|
|
def setUp(self):
|
|
# Call super's setUp().
|
|
TestBase.setUp(self)
|
|
|
|
# Find the line number to break for main.c.
|
|
self.source = 'sbvalue-cast.cpp'
|
|
self.line = line_number(self.source, '// Set breakpoint here.')
|
|
self.exe_name = self.testMethodName
|
|
self.d_virtual = {
|
|
'CXX_SOURCES': self.source,
|
|
'EXE': self.exe_name,
|
|
'CFLAGS_EXTRAS': '-DDO_VIRTUAL_INHERITANCE'}
|
|
self.d_regular = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
|
|
|
|
def do_sbvalue_cast(self, exe_name):
|
|
"""Test SBValue::Cast(SBType) API for C++ types."""
|
|
exe = self.getBuildArtifact(exe_name)
|
|
|
|
# Create a target from the debugger.
|
|
|
|
target = self.dbg.CreateTarget(exe)
|
|
self.assertTrue(target, VALID_TARGET)
|
|
|
|
# Set up our breakpoints:
|
|
|
|
breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
|
|
self.assertTrue(breakpoint, VALID_BREAKPOINT)
|
|
|
|
# Now launch the process, and do not stop at the entry point.
|
|
process = target.LaunchSimple(
|
|
None, None, self.get_process_working_directory())
|
|
|
|
self.assertTrue(process.GetState() == lldb.eStateStopped,
|
|
PROCESS_STOPPED)
|
|
|
|
# Find DerivedA and DerivedB types.
|
|
typeA = target.FindFirstType('DerivedA')
|
|
typeB = target.FindFirstType('DerivedB')
|
|
self.DebugSBType(typeA)
|
|
self.DebugSBType(typeB)
|
|
self.assertTrue(typeA)
|
|
self.assertTrue(typeB)
|
|
error = lldb.SBError()
|
|
|
|
# First stop is for DerivedA instance.
|
|
threads = lldbutil.get_threads_stopped_at_breakpoint(
|
|
process, breakpoint)
|
|
self.assertTrue(len(threads) == 1)
|
|
thread = threads[0]
|
|
frame0 = thread.GetFrameAtIndex(0)
|
|
|
|
tellerA = frame0.FindVariable('teller', lldb.eNoDynamicValues)
|
|
self.DebugSBValue(tellerA)
|
|
self.assertTrue(tellerA.GetChildMemberWithName(
|
|
'm_base_val').GetValueAsUnsigned(error, 0) == 20)
|
|
|
|
if self.TraceOn():
|
|
for child in tellerA:
|
|
print("child name:", child.GetName())
|
|
print(child)
|
|
|
|
# Call SBValue.Cast() to obtain instanceA.
|
|
instanceA = tellerA.Cast(typeA.GetPointerType())
|
|
self.DebugSBValue(instanceA)
|
|
|
|
# Iterate through all the children and print their values.
|
|
if self.TraceOn():
|
|
for child in instanceA:
|
|
print("child name:", child.GetName())
|
|
print(child)
|
|
a_member_val = instanceA.GetChildMemberWithName('m_a_val')
|
|
self.DebugSBValue(a_member_val)
|
|
self.assertTrue(a_member_val.GetValueAsUnsigned(error, 0) == 10)
|
|
|
|
# Second stop is for DerivedB instance.
|
|
threads = lldbutil.continue_to_breakpoint(process, breakpoint)
|
|
self.assertTrue(len(threads) == 1)
|
|
thread = threads[0]
|
|
frame0 = thread.GetFrameAtIndex(0)
|
|
|
|
tellerB = frame0.FindVariable('teller', lldb.eNoDynamicValues)
|
|
self.DebugSBValue(tellerB)
|
|
self.assertTrue(tellerB.GetChildMemberWithName(
|
|
'm_base_val').GetValueAsUnsigned(error, 0) == 12)
|
|
|
|
if self.TraceOn():
|
|
for child in tellerB:
|
|
print("child name:", child.GetName())
|
|
print(child)
|
|
|
|
# Call SBValue.Cast() to obtain instanceB.
|
|
instanceB = tellerB.Cast(typeB.GetPointerType())
|
|
self.DebugSBValue(instanceB)
|
|
|
|
# Iterate through all the children and print their values.
|
|
if self.TraceOn():
|
|
for child in instanceB:
|
|
print("child name:", child.GetName())
|
|
print(child)
|
|
b_member_val = instanceB.GetChildMemberWithName('m_b_val')
|
|
self.DebugSBValue(b_member_val)
|
|
self.assertTrue(b_member_val.GetValueAsUnsigned(error, 0) == 36)
|