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https://github.com/Gericom/teak-llvm.git
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19474e1801
This module was originally intended to be imported by top-level scripts to be able to find the LLDB packages and third party libraries. Packages themselves shouldn't need to import it, because by the time it gets into the package, the top-level script should have already done this. Indeed, it was just adding the same values to sys.path multiple times, so this patch is essentially no functional change. To make sure it doesn't get re-introduced, we also delete the `use_lldb_suite` module from `lldbsuite/test`, although the original copy still remains in `lldb/test` llvm-svn: 251963
130 lines
5.0 KiB
Python
130 lines
5.0 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, time
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import re
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import lldb
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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class CppValueCastTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@unittest2.expectedFailure("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 = {'CXX_SOURCES': self.source, 'EXE': self.exe_name, '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 (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 (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('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('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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