diff options
7 files changed, 159 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/Makefile new file mode 100644 index 00000000000..bf75013f531 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/Makefile @@ -0,0 +1,6 @@ +LEVEL = ../../../../../make + +CXX_SOURCES := main.cpp + +USE_LIBCPP := 1 +include $(LEVEL)/Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/TestDataFormatterLibcxxTuple.py b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/TestDataFormatterLibcxxTuple.py new file mode 100644 index 00000000000..b25540056a2 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/TestDataFormatterLibcxxTuple.py @@ -0,0 +1,51 @@ +""" +Test lldb data formatter subsystem. +""" + +from __future__ import print_function + + +import lldb +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbutil + + +class TestDataFormatterLibcxxTuple(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + TestBase.setUp(self) + self.line = line_number('main.cpp', '// break here') + ns = 'ndk' if lldbplatformutil.target_is_android() else '' + self.namespace = 'std::__' + ns + '1' + + @add_test_categories(["libc++"]) + def test(self): + """Test that std::tuple is displayed correctly""" + self.build() + lldbutil.run_to_source_breakpoint(self, '// break here', + lldb.SBFileSpec("main.cpp", False)) + + tuple_name = self.namespace + '::tuple' + self.expect("frame variable empty", + substrs=[tuple_name, + 'size=0', + '{}']) + + self.expect("frame variable one_elt", + substrs=[tuple_name, + 'size=1', + '{', + '[0] = 47', + '}']) + + self.expect("frame variable three_elts", + substrs=[tuple_name, + 'size=3', + '{', + '[0] = 1', + '[1] = 47', + '[2] = "foo"', + '}']) diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/main.cpp new file mode 100644 index 00000000000..1c0d0f2ae77 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/main.cpp @@ -0,0 +1,11 @@ +#include <tuple> +#include <string> + +using namespace std; + +int main() { + tuple<> empty; + tuple<int> one_elt{47}; + tuple<int, long, string> three_elts{1, 47l, "foo"}; + return 0; // break here +} diff --git a/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt b/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt index 8f769c49998..9ddc6b27c5d 100644 --- a/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt +++ b/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt @@ -8,6 +8,7 @@ add_lldb_library(lldbPluginCPlusPlusLanguage PLUGIN LibCxxInitializerList.cpp LibCxxList.cpp LibCxxMap.cpp + LibCxxTuple.cpp LibCxxUnorderedMap.cpp LibCxxVector.cpp LibStdcpp.cpp diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp index 92af68921b6..e6ee40ec696 100644 --- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp +++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp @@ -473,6 +473,10 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { "libc++ std::initializer_list synthetic children", ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, LibcxxTupleFrontEndCreator, + "libc++ std::tuple synthetic children", + ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_synth_flags, + true); AddCXXSynthetic( cpp_category_sp, lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, @@ -546,6 +550,10 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { "libc++ std::unordered containers summary provider", ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider, + "libc++ std::tuple summary provider", + ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_summary_flags, + true); AddCXXSummary( cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider, "libc++ std::atomic summary provider", diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h b/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h index b353250a34c..f5180d1cab6 100644 --- a/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h +++ b/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h @@ -123,6 +123,9 @@ LibcxxInitializerListSyntheticFrontEndCreator(CXXSyntheticChildren *, SyntheticChildrenFrontEnd *LibcxxFunctionFrontEndCreator(CXXSyntheticChildren *, lldb::ValueObjectSP); +SyntheticChildrenFrontEnd *LibcxxTupleFrontEndCreator(CXXSyntheticChildren *, + lldb::ValueObjectSP); + } // namespace formatters } // namespace lldb_private diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp new file mode 100644 index 00000000000..aaf90605171 --- /dev/null +++ b/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp @@ -0,0 +1,79 @@ +//===-- LibCxxTuple.cpp -----------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "LibCxx.h" +#include "lldb/DataFormatters/FormattersHelpers.h" + +using namespace lldb; +using namespace lldb_private; + +namespace { + +class TupleFrontEnd: public SyntheticChildrenFrontEnd { +public: + TupleFrontEnd(ValueObject &valobj) : SyntheticChildrenFrontEnd(valobj) { + Update(); + } + + size_t GetIndexOfChildWithName(const ConstString &name) override { + return formatters::ExtractIndexFromString(name.GetCString()); + } + + bool MightHaveChildren() override { return true; } + bool Update() override; + size_t CalculateNumChildren() override { return m_elements.size(); } + ValueObjectSP GetChildAtIndex(size_t idx) override; + +private: + std::vector<ValueObjectSP> m_elements; + ValueObjectSP m_base_sp; +}; +} + +bool TupleFrontEnd::Update() { + m_elements.clear(); + m_base_sp = m_backend.GetChildMemberWithName(ConstString("base_"), true); + if (! m_base_sp) + return false; + m_elements.assign(m_base_sp->GetCompilerType().GetNumDirectBaseClasses(), + ValueObjectSP()); + return false; +} + +ValueObjectSP TupleFrontEnd::GetChildAtIndex(size_t idx) { + if (idx >= m_elements.size()) + return ValueObjectSP(); + if (!m_base_sp) + return ValueObjectSP(); + if (m_elements[idx]) + return m_elements[idx]; + + CompilerType holder_type = + m_base_sp->GetCompilerType().GetDirectBaseClassAtIndex(idx, nullptr); + if (!holder_type) + return ValueObjectSP(); + ValueObjectSP holder_sp = m_base_sp->GetChildAtIndex(idx, true); + if (!holder_sp) + return ValueObjectSP(); + + ValueObjectSP elem_sp = holder_sp->GetChildAtIndex(0, true); + if (elem_sp) + m_elements[idx] = + elem_sp->Clone(ConstString(llvm::formatv("[{0}]", idx).str())); + + return m_elements[idx]; +} + +SyntheticChildrenFrontEnd * +formatters::LibcxxTupleFrontEndCreator(CXXSyntheticChildren *, + lldb::ValueObjectSP valobj_sp) { + if (valobj_sp) + return new TupleFrontEnd(*valobj_sp); + return nullptr; +} |
