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b9c1b51e45
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
140 lines
4.9 KiB
Python
140 lines
4.9 KiB
Python
"""
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Test lldb Python API SBValue::Cast(SBType) for C++ types.
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"""
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from __future__ import print_function
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import unittest2
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import os
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import time
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import re
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class CppValueCastTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@unittest2.expectedFailure(
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"rdar://problem/10808472 SBValue::Cast test case is failing (virtual inheritance)")
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@add_test_categories(['pyapi'])
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def test_value_cast_with_virtual_inheritance(self):
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"""Test SBValue::Cast(SBType) API for C++ types with virtual inheritance."""
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self.build(dictionary=self.d_virtual)
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self.setTearDownCleanup(dictionary=self.d_virtual)
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self.do_sbvalue_cast(self.exe_name)
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@add_test_categories(['pyapi'])
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def test_value_cast_with_regular_inheritance(self):
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"""Test SBValue::Cast(SBType) API for C++ types with regular inheritance."""
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self.build(dictionary=self.d_regular)
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self.setTearDownCleanup(dictionary=self.d_regular)
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self.do_sbvalue_cast(self.exe_name)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break for main.c.
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self.source = 'sbvalue-cast.cpp'
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self.line = line_number(self.source, '// Set breakpoint here.')
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self.exe_name = self.testMethodName
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self.d_virtual = {
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'CXX_SOURCES': self.source,
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'EXE': self.exe_name,
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'CFLAGS_EXTRAS': '-DDO_VIRTUAL_INHERITANCE'}
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self.d_regular = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
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def do_sbvalue_cast(self, exe_name):
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"""Test SBValue::Cast(SBType) API for C++ types."""
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exe = os.path.join(os.getcwd(), exe_name)
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# Create a target from the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Set up our breakpoints:
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breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
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self.assertTrue(breakpoint, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at the entry point.
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process.GetState() == lldb.eStateStopped,
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PROCESS_STOPPED)
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# Find DerivedA and DerivedB types.
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typeA = target.FindFirstType('DerivedA')
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typeB = target.FindFirstType('DerivedB')
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self.DebugSBType(typeA)
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self.DebugSBType(typeB)
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self.assertTrue(typeA)
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self.assertTrue(typeB)
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error = lldb.SBError()
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# First stop is for DerivedA instance.
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threads = lldbutil.get_threads_stopped_at_breakpoint(
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process, breakpoint)
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self.assertTrue(len(threads) == 1)
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thread = threads[0]
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frame0 = thread.GetFrameAtIndex(0)
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tellerA = frame0.FindVariable('teller', lldb.eNoDynamicValues)
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self.DebugSBValue(tellerA)
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self.assertTrue(tellerA.GetChildMemberWithName(
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'm_base_val').GetValueAsUnsigned(error, 0) == 20)
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if self.TraceOn():
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for child in tellerA:
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print("child name:", child.GetName())
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print(child)
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# Call SBValue.Cast() to obtain instanceA.
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instanceA = tellerA.Cast(typeA.GetPointerType())
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self.DebugSBValue(instanceA)
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# Iterate through all the children and print their values.
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if self.TraceOn():
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for child in instanceA:
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print("child name:", child.GetName())
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print(child)
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a_member_val = instanceA.GetChildMemberWithName('m_a_val')
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self.DebugSBValue(a_member_val)
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self.assertTrue(a_member_val.GetValueAsUnsigned(error, 0) == 10)
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# Second stop is for DerivedB instance.
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threads = lldbutil.continue_to_breakpoint(process, breakpoint)
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self.assertTrue(len(threads) == 1)
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thread = threads[0]
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frame0 = thread.GetFrameAtIndex(0)
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tellerB = frame0.FindVariable('teller', lldb.eNoDynamicValues)
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self.DebugSBValue(tellerB)
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self.assertTrue(tellerB.GetChildMemberWithName(
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'm_base_val').GetValueAsUnsigned(error, 0) == 12)
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if self.TraceOn():
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for child in tellerB:
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print("child name:", child.GetName())
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print(child)
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# Call SBValue.Cast() to obtain instanceB.
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instanceB = tellerB.Cast(typeB.GetPointerType())
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self.DebugSBValue(instanceB)
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# Iterate through all the children and print their values.
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if self.TraceOn():
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for child in instanceB:
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print("child name:", child.GetName())
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print(child)
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b_member_val = instanceB.GetChildMemberWithName('m_b_val')
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self.DebugSBValue(b_member_val)
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self.assertTrue(b_member_val.GetValueAsUnsigned(error, 0) == 36)
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