diff options
Diffstat (limited to 'source/DataFormatters/NSIndexPath.cpp')
| -rw-r--r-- | source/DataFormatters/NSIndexPath.cpp | 219 |
1 files changed, 124 insertions, 95 deletions
diff --git a/source/DataFormatters/NSIndexPath.cpp b/source/DataFormatters/NSIndexPath.cpp index ee9583e..363bd5c 100644 --- a/source/DataFormatters/NSIndexPath.cpp +++ b/source/DataFormatters/NSIndexPath.cpp @@ -47,7 +47,7 @@ public: virtual bool Update() { - m_impl.m_mode = Mode::Invalid; + m_impl.Clear(); m_ast_ctx = ClangASTContext::GetASTContext(m_backend.GetClangType().GetASTContext()); if (!m_ast_ctx) @@ -76,8 +76,8 @@ public: if (descriptor->GetTaggedPointerInfo(&info_bits, &value_bits, &payload)) { - m_impl.m_mode = Mode::Inlined; m_impl.m_inlined.SetIndexes(payload, *process_sp); + m_impl.m_mode = Mode::Inlined; } else { @@ -191,104 +191,133 @@ protected: } struct InlinedIndexes { - public: - void SetIndexes(uint64_t value, Process& p) - { - m_indexes = value; - _lengthForInlinePayload(p.GetAddressByteSize()); - m_process = &p; - } - - size_t - GetNumIndexes () - { - return m_count; - } - - lldb::ValueObjectSP - GetIndexAtIndex (size_t idx, const ClangASTType& desired_type) - { - std::pair<uint64_t, bool> value(_indexAtPositionForInlinePayload(idx)); - if (!value.second) - return nullptr; - Value v; - if (m_ptr_size == 8) - { - Scalar scalar( (unsigned long long)value.first ); - v = Value(scalar); - } - else - { - Scalar scalar( (unsigned int)value.first ); - v = Value(scalar); - } - v.SetClangType(desired_type); - StreamString idx_name; - idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx); - return ValueObjectConstResult::Create(m_process, v, ConstString(idx_name.GetData())); - } - - private: - uint64_t m_indexes; - size_t m_count; - uint32_t m_ptr_size; - Process *m_process; - - // cfr. Foundation for the details of this code - size_t _lengthForInlinePayload(uint32_t ptr_size) { - m_ptr_size = ptr_size; - if (m_ptr_size == 8) - m_count = ((m_indexes >> 3) & 0x7); - else - m_count = ((m_indexes >> 3) & 0x3); - return m_count; - } - - std::pair<uint64_t, bool> - _indexAtPositionForInlinePayload(size_t pos) { - if (m_ptr_size == 8) - { - switch (pos) { - case 5: return {((m_indexes >> 51) & 0x1ff),true}; - case 4: return {((m_indexes >> 42) & 0x1ff),true}; - case 3: return {((m_indexes >> 33) & 0x1ff),true}; - case 2: return {((m_indexes >> 24) & 0x1ff),true}; - case 1: return {((m_indexes >> 15) & 0x1ff),true}; - case 0: return {((m_indexes >> 6) & 0x1ff),true}; - } - } - else - { - switch (pos) { - case 2: return {((m_indexes >> 23) & 0x1ff),true}; - case 1: return {((m_indexes >> 14) & 0x1ff),true}; - case 0: return {((m_indexes >> 5) & 0x1ff),true}; - } - } - return {0,false}; - } + public: + void SetIndexes(uint64_t value, Process& p) + { + m_indexes = value; + _lengthForInlinePayload(p.GetAddressByteSize()); + m_process = &p; + } + + size_t + GetNumIndexes () + { + return m_count; + } + + lldb::ValueObjectSP + GetIndexAtIndex (size_t idx, const ClangASTType& desired_type) + { + std::pair<uint64_t, bool> value(_indexAtPositionForInlinePayload(idx)); + if (!value.second) + return nullptr; + + Value v; + if (m_ptr_size == 8) + { + Scalar scalar( (unsigned long long)value.first ); + v = Value(scalar); + } + else + { + Scalar scalar( (unsigned int)value.first ); + v = Value(scalar); + } + + v.SetClangType(desired_type); - }; + StreamString idx_name; + idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx); + + return ValueObjectConstResult::Create(m_process, v, ConstString(idx_name.GetData())); + } + + void + Clear () + { + m_indexes = 0; + m_count = 0; + m_ptr_size = 0; + m_process = nullptr; + } + + private: + uint64_t m_indexes; + size_t m_count; + uint32_t m_ptr_size; + Process *m_process; + + // cfr. Foundation for the details of this code + size_t _lengthForInlinePayload(uint32_t ptr_size) { + m_ptr_size = ptr_size; + if (m_ptr_size == 8) + m_count = ((m_indexes >> 3) & 0x7); + else + m_count = ((m_indexes >> 3) & 0x3); + return m_count; + } + + std::pair<uint64_t, bool> + _indexAtPositionForInlinePayload(size_t pos) + { + if (m_ptr_size == 8) + { + switch (pos) { + case 5: return {((m_indexes >> 51) & 0x1ff),true}; + case 4: return {((m_indexes >> 42) & 0x1ff),true}; + case 3: return {((m_indexes >> 33) & 0x1ff),true}; + case 2: return {((m_indexes >> 24) & 0x1ff),true}; + case 1: return {((m_indexes >> 15) & 0x1ff),true}; + case 0: return {((m_indexes >> 6) & 0x1ff),true}; + } + } + else + { + switch (pos) { + case 2: return {((m_indexes >> 23) & 0x1ff),true}; + case 1: return {((m_indexes >> 14) & 0x1ff),true}; + case 0: return {((m_indexes >> 5) & 0x1ff),true}; + } + } + return {0,false}; + } + + }; struct OutsourcedIndexes { - ValueObject *m_indexes; - size_t m_count; - - lldb::ValueObjectSP - GetIndexAtIndex (size_t idx) - { - if (m_indexes) - { - ValueObjectSP index_sp(m_indexes->GetSyntheticArrayMemberFromPointer(idx, true)); - return index_sp; - } - return nullptr; - } - }; + ValueObject *m_indexes; + size_t m_count; + + lldb::ValueObjectSP + GetIndexAtIndex (size_t idx) + { + if (m_indexes) + { + ValueObjectSP index_sp(m_indexes->GetSyntheticArrayMember(idx, true)); + return index_sp; + } + return nullptr; + } + + void + Clear () + { + m_indexes = nullptr; + m_count = 0; + } + }; union { - struct InlinedIndexes m_inlined; - struct OutsourcedIndexes m_outsourced; + struct InlinedIndexes m_inlined; + struct OutsourcedIndexes m_outsourced; }; + + void + Clear () + { + m_mode = Mode::Invalid; + m_inlined.Clear(); + m_outsourced.Clear(); + } } m_impl; uint32_t m_ptr_size; |
