149 lines
5.7 KiB
Python
149 lines
5.7 KiB
Python
"""
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Test display and Python APIs on file and class static variables.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class StaticVariableTestCase(TestBase):
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mydir = os.path.join("lang", "cpp", "class_static")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_with_dsym_and_run_command(self):
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"""Test that file and class static variables display correctly."""
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self.buildDsym()
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self.static_variable_commands()
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@dwarf_test
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def test_with_dwarf_and_run_command(self):
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"""Test that file and class static variables display correctly."""
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self.buildDwarf()
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self.static_variable_commands()
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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#rdar://problem/9980907
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@expectedFailureClang
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@python_api_test
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@dsym_test
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def test_with_dsym_and_python_api(self):
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"""Test Python APIs on file and class static variables."""
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self.buildDsym()
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self.static_variable_python()
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#rdar://problem/9980907
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@expectedFailureClang
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@python_api_test
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@dwarf_test
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def test_with_dwarf_and_python_api(self):
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"""Test Python APIs on file and class static variables."""
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self.buildDwarf()
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self.static_variable_python()
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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 at.
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self.line = line_number('main.cpp', '// Set break point at this line.')
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def static_variable_commands(self):
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"""Test that that file and class static variables display correctly."""
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'stop reason = breakpoint'])
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# global variables are no longer displayed with the "frame variable" command.
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self.expect('target variable A::g_points', VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['(PointType [2]) A::g_points'])
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self.expect('target variable g_points', VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['(PointType [2]) g_points'])
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# On Mac OS X, gcc 4.2 emits the wrong debug info for A::g_points.
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# A::g_points is an array of two elements.
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if sys.platform.startswith("darwin") and self.getCompiler() in ['clang', 'llvm-gcc']:
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self.expect("target variable A::g_points[1].x", VARIABLES_DISPLAYED_CORRECTLY,
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startstr = "(int) A::g_points[1].x = 11")
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def static_variable_python(self):
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"""Test Python APIs on file and class static variables."""
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line)
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self.assertTrue(breakpoint, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(None, None, os.getcwd())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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thread = process.GetThreadAtIndex(0)
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if thread.GetStopReason() != lldb.eStopReasonBreakpoint:
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from lldbutil import stop_reason_to_str
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self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS %
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stop_reason_to_str(thread.GetStopReason()))
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# Get the SBValue of 'A::g_points' and 'g_points'.
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frame = thread.GetFrameAtIndex(0)
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# arguments => False
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# locals => False
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# statics => True
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# in_scope_only => False
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valList = frame.GetVariables(False, False, True, False)
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for val in valList:
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self.DebugSBValue(val)
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self.assertTrue(val.GetValueType() == lldb.eValueTypeVariableGlobal)
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name = val.GetName()
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self.assertTrue(name in ['g_points', 'A::g_points'])
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if name == 'g_points':
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self.assertTrue(val.GetNumChildren() == 2)
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elif name == 'A::g_points' and self.getCompiler() in ['clang', 'llvm-gcc']:
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# On Mac OS X, gcc 4.2 emits the wrong debug info for A::g_points.
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self.assertTrue(val.GetNumChildren() == 2)
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child1 = val.GetChildAtIndex(1)
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self.DebugSBValue(child1)
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child1_x = child1.GetChildAtIndex(0)
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self.DebugSBValue(child1_x)
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self.assertTrue(child1_x.GetTypeName() == 'int' and
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child1_x.GetValue() == '11')
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# SBFrame.FindValue() should also work.
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val = frame.FindValue("A::g_points", lldb.eValueTypeVariableGlobal)
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self.DebugSBValue(val)
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self.assertTrue(val.GetName() == 'A::g_points')
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# Also exercise the "parameter" and "local" scopes while we are at it.
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val = frame.FindValue("argc", lldb.eValueTypeVariableArgument)
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self.DebugSBValue(val)
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self.assertTrue(val.GetName() == 'argc')
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val = frame.FindValue("argv", lldb.eValueTypeVariableArgument)
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self.DebugSBValue(val)
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self.assertTrue(val.GetName() == 'argv')
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val = frame.FindValue("hello_world", lldb.eValueTypeVariableLocal)
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self.DebugSBValue(val)
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self.assertTrue(val.GetName() == 'hello_world')
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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