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https://github.com/Gericom/teak-llvm.git
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91e94a7015
Performance issues lead to the libc++ std::function formatter to be disabled. We addressed some of those performance issues by adding caching see D67111 This PR fixes the first lookup performance by not using FindSymbolsMatchingRegExAndType(...) and instead finding the compilation unit the std::function wrapped callable should be in and then searching for the callable directly in the CU. Differential Revision: https://reviews.llvm.org/D69913
73 lines
3.2 KiB
Python
73 lines
3.2 KiB
Python
"""
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Test stepping into std::function
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"""
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from __future__ import print_function
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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 LibCxxFunctionSteppingIntoCallableTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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NO_DEBUG_INFO_TESTCASE = True
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@add_test_categories(["libc++"])
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def test(self):
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"""Test that std::function as defined by libc++ is correctly printed by LLDB"""
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self.build()
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self.main_source = "main.cpp"
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self.main_source_spec = lldb.SBFileSpec(self.main_source)
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self.source_foo_line = line_number(
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self.main_source, '// Source foo start line')
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self.source_lambda_f2_line = line_number(
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self.main_source, '// Source lambda used by f2 start line')
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self.source_lambda_f3_line = line_number(
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self.main_source, '// Source lambda used by f3 start line')
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self.source_bar_operator_line = line_number(
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self.main_source, '// Source Bar::operator()() start line')
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self.source_bar_add_num_line = line_number(
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self.main_source, '// Source Bar::add_num start line')
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self.source_main_invoking_f1 = line_number(
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self.main_source, '// Source main invoking f1')
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
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self, "// Set break point at this line.", self.main_source_spec)
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thread.StepInto()
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_main_invoking_f1 ) ;
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
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thread.StepInto()
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_foo_line ) ;
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
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process.Continue()
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thread.StepInto()
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_lambda_f2_line ) ;
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
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process.Continue()
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thread.StepInto()
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_lambda_f3_line ) ;
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
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process.Continue()
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# TODO reenable this case when std::function formatter supports
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# general callable object case.
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#thread.StepInto()
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#self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_bar_operator_line ) ;
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#self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
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#process.Continue()
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thread.StepInto()
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_bar_add_num_line ) ;
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self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
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process.Continue()
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