Greg Clayton | 7002d45 | 2013-03-26 18:42:13 +0000 | [diff] [blame] | 1 | //===-- LibCxx.cpp ----------------------------------------------*- C++ -*-===// |
Enrico Granata | 32d7ee3 | 2013-02-21 19:57:10 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
Matt Kopec | fe21d4f | 2013-02-21 23:55:31 +0000 | [diff] [blame] | 10 | #include "lldb/lldb-python.h" |
| 11 | |
Enrico Granata | 32d7ee3 | 2013-02-21 19:57:10 +0000 | [diff] [blame] | 12 | #include "lldb/DataFormatters/CXXFormatterFunctions.h" |
| 13 | |
| 14 | #include "lldb/Core/DataBufferHeap.h" |
Enrico Granata | 8f0f475 | 2013-05-06 18:55:52 +0000 | [diff] [blame] | 15 | #include "lldb/Core/Debugger.h" |
Enrico Granata | 32d7ee3 | 2013-02-21 19:57:10 +0000 | [diff] [blame] | 16 | #include "lldb/Core/Error.h" |
| 17 | #include "lldb/Core/Stream.h" |
| 18 | #include "lldb/Core/ValueObject.h" |
| 19 | #include "lldb/Core/ValueObjectConstResult.h" |
| 20 | #include "lldb/Host/Endian.h" |
| 21 | #include "lldb/Symbol/ClangASTContext.h" |
| 22 | #include "lldb/Target/ObjCLanguageRuntime.h" |
| 23 | #include "lldb/Target/Target.h" |
| 24 | |
| 25 | using namespace lldb; |
| 26 | using namespace lldb_private; |
| 27 | using namespace lldb_private::formatters; |
| 28 | |
| 29 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::LibcxxVectorBoolSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 30 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 31 | m_exe_ctx_ref(), |
| 32 | m_count(0), |
| 33 | m_base_data_address(0), |
| 34 | m_options() |
| 35 | { |
| 36 | if (valobj_sp) |
| 37 | Update(); |
| 38 | m_options.SetCoerceToId(false) |
| 39 | .SetUnwindOnError(true) |
| 40 | .SetKeepInMemory(true) |
| 41 | .SetUseDynamic(lldb::eDynamicCanRunTarget); |
| 42 | } |
| 43 | |
| 44 | size_t |
| 45 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::CalculateNumChildren () |
| 46 | { |
| 47 | return m_count; |
| 48 | } |
| 49 | |
| 50 | lldb::ValueObjectSP |
| 51 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 52 | { |
| 53 | if (idx >= m_count) |
| 54 | return ValueObjectSP(); |
| 55 | if (m_base_data_address == 0 || m_count == 0) |
| 56 | return ValueObjectSP(); |
| 57 | size_t byte_idx = (idx >> 3); // divide by 8 to get byte index |
| 58 | size_t bit_index = (idx & 7); // efficient idx % 8 for bit index |
| 59 | lldb::addr_t byte_location = m_base_data_address + byte_idx; |
| 60 | ProcessSP process_sp(m_exe_ctx_ref.GetProcessSP()); |
| 61 | if (!process_sp) |
| 62 | return ValueObjectSP(); |
| 63 | uint8_t byte = 0; |
| 64 | uint8_t mask = 0; |
| 65 | Error err; |
| 66 | size_t bytes_read = process_sp->ReadMemory(byte_location, &byte, 1, err); |
| 67 | if (err.Fail() || bytes_read == 0) |
| 68 | return ValueObjectSP(); |
| 69 | switch (bit_index) |
| 70 | { |
| 71 | case 0: |
| 72 | mask = 1; break; |
| 73 | case 1: |
| 74 | mask = 2; break; |
| 75 | case 2: |
| 76 | mask = 4; break; |
| 77 | case 3: |
| 78 | mask = 8; break; |
| 79 | case 4: |
| 80 | mask = 16; break; |
| 81 | case 5: |
| 82 | mask = 32; break; |
| 83 | case 6: |
| 84 | mask = 64; break; |
| 85 | case 7: |
| 86 | mask = 128; break; |
| 87 | default: |
| 88 | return ValueObjectSP(); |
| 89 | } |
| 90 | bool bit_set = ((byte & mask) != 0); |
| 91 | Target& target(process_sp->GetTarget()); |
| 92 | ValueObjectSP retval_sp; |
| 93 | if (bit_set) |
| 94 | target.EvaluateExpression("(bool)true", NULL, retval_sp); |
| 95 | else |
| 96 | target.EvaluateExpression("(bool)false", NULL, retval_sp); |
| 97 | StreamString name; name.Printf("[%zu]",idx); |
| 98 | if (retval_sp) |
| 99 | retval_sp->SetName(ConstString(name.GetData())); |
| 100 | return retval_sp; |
| 101 | } |
| 102 | |
| 103 | /*(std::__1::vector<std::__1::allocator<bool> >) vBool = { |
| 104 | __begin_ = 0x00000001001000e0 |
| 105 | __size_ = 56 |
| 106 | __cap_alloc_ = { |
| 107 | std::__1::__libcpp_compressed_pair_imp<unsigned long, std::__1::allocator<unsigned long> > = { |
| 108 | __first_ = 1 |
| 109 | } |
| 110 | } |
| 111 | }*/ |
| 112 | |
| 113 | bool |
| 114 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::Update() |
| 115 | { |
| 116 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 117 | if (!valobj_sp) |
| 118 | return false; |
| 119 | if (!valobj_sp) |
| 120 | return false; |
| 121 | m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); |
| 122 | ValueObjectSP size_sp(valobj_sp->GetChildMemberWithName(ConstString("__size_"), true)); |
| 123 | if (!size_sp) |
| 124 | return false; |
| 125 | m_count = size_sp->GetValueAsUnsigned(0); |
| 126 | if (!m_count) |
| 127 | return true; |
| 128 | ValueObjectSP begin_sp(valobj_sp->GetChildMemberWithName(ConstString("__begin_"), true)); |
| 129 | if (!begin_sp) |
| 130 | { |
| 131 | m_count = 0; |
| 132 | return false; |
| 133 | } |
| 134 | m_base_data_address = begin_sp->GetValueAsUnsigned(0); |
| 135 | if (!m_base_data_address) |
| 136 | { |
| 137 | m_count = 0; |
| 138 | return false; |
| 139 | } |
Enrico Granata | cc5d274 | 2013-03-19 22:58:48 +0000 | [diff] [blame] | 140 | return false; |
Enrico Granata | 32d7ee3 | 2013-02-21 19:57:10 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | bool |
| 144 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::MightHaveChildren () |
| 145 | { |
| 146 | return true; |
| 147 | } |
| 148 | |
| 149 | size_t |
| 150 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 151 | { |
| 152 | if (!m_count || !m_base_data_address) |
| 153 | return UINT32_MAX; |
| 154 | const char* item_name = name.GetCString(); |
| 155 | uint32_t idx = ExtractIndexFromString(item_name); |
| 156 | if (idx < UINT32_MAX && idx >= CalculateNumChildren()) |
| 157 | return UINT32_MAX; |
| 158 | return idx; |
| 159 | } |
| 160 | |
| 161 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::~LibcxxVectorBoolSyntheticFrontEnd () |
| 162 | {} |
| 163 | |
| 164 | SyntheticChildrenFrontEnd* |
| 165 | lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 166 | { |
| 167 | if (!valobj_sp) |
| 168 | return NULL; |
| 169 | return (new LibcxxVectorBoolSyntheticFrontEnd(valobj_sp)); |
| 170 | } |
| 171 | |
| 172 | /* |
| 173 | (lldb) fr var ibeg --raw --ptr-depth 1 |
| 174 | (std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::pair<int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::__tree_node<std::__1::pair<int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, void *> *, long> >) ibeg = { |
| 175 | __i_ = { |
| 176 | __ptr_ = 0x0000000100103870 { |
| 177 | std::__1::__tree_node_base<void *> = { |
| 178 | std::__1::__tree_end_node<std::__1::__tree_node_base<void *> *> = { |
| 179 | __left_ = 0x0000000000000000 |
| 180 | } |
| 181 | __right_ = 0x0000000000000000 |
| 182 | __parent_ = 0x00000001001038b0 |
| 183 | __is_black_ = true |
| 184 | } |
| 185 | __value_ = { |
| 186 | first = 0 |
| 187 | second = { std::string } |
| 188 | */ |
| 189 | |
| 190 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::LibCxxMapIteratorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 191 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 192 | m_pair_ptr() |
| 193 | { |
| 194 | if (valobj_sp) |
| 195 | Update(); |
| 196 | } |
| 197 | |
| 198 | bool |
| 199 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::Update() |
| 200 | { |
| 201 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 202 | if (!valobj_sp) |
| 203 | return false; |
| 204 | |
| 205 | TargetSP target_sp(valobj_sp->GetTargetSP()); |
| 206 | |
| 207 | if (!target_sp) |
| 208 | return false; |
| 209 | |
| 210 | if (!valobj_sp) |
| 211 | return false; |
| 212 | |
| 213 | // this must be a ValueObject* because it is a child of the ValueObject we are producing children for |
| 214 | // it if were a ValueObjectSP, we would end up with a loop (iterator -> synthetic -> child -> parent == iterator) |
| 215 | // and that would in turn leak memory by never allowing the ValueObjects to die and free their memory |
| 216 | m_pair_ptr = valobj_sp->GetValueForExpressionPath(".__i_.__ptr_->__value_", |
| 217 | NULL, |
| 218 | NULL, |
| 219 | NULL, |
| 220 | ValueObject::GetValueForExpressionPathOptions().DontCheckDotVsArrowSyntax().DontAllowSyntheticChildren(), |
| 221 | NULL).get(); |
| 222 | |
Enrico Granata | cc5d274 | 2013-03-19 22:58:48 +0000 | [diff] [blame] | 223 | return false; |
Enrico Granata | 32d7ee3 | 2013-02-21 19:57:10 +0000 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | size_t |
| 227 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::CalculateNumChildren () |
| 228 | { |
| 229 | return 2; |
| 230 | } |
| 231 | |
| 232 | lldb::ValueObjectSP |
| 233 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 234 | { |
| 235 | if (!m_pair_ptr) |
| 236 | return lldb::ValueObjectSP(); |
| 237 | return m_pair_ptr->GetChildAtIndex(idx, true); |
| 238 | } |
| 239 | |
| 240 | bool |
| 241 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::MightHaveChildren () |
| 242 | { |
| 243 | return true; |
| 244 | } |
| 245 | |
| 246 | size_t |
| 247 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 248 | { |
| 249 | if (name == ConstString("first")) |
| 250 | return 0; |
| 251 | if (name == ConstString("second")) |
| 252 | return 1; |
| 253 | return UINT32_MAX; |
| 254 | } |
| 255 | |
| 256 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::~LibCxxMapIteratorSyntheticFrontEnd () |
| 257 | { |
| 258 | // this will be deleted when its parent dies (since it's a child object) |
| 259 | //delete m_pair_ptr; |
| 260 | } |
| 261 | |
| 262 | SyntheticChildrenFrontEnd* |
| 263 | lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 264 | { |
| 265 | if (!valobj_sp) |
| 266 | return NULL; |
| 267 | return (new LibCxxMapIteratorSyntheticFrontEnd(valobj_sp)); |
| 268 | } |
| 269 | |
| 270 | /* |
| 271 | (lldb) fr var ibeg --raw --ptr-depth 1 -T |
| 272 | (std::__1::__wrap_iter<int *>) ibeg = { |
| 273 | (std::__1::__wrap_iter<int *>::iterator_type) __i = 0x00000001001037a0 { |
| 274 | (int) *__i = 1 |
| 275 | } |
| 276 | } |
| 277 | */ |
| 278 | |
| 279 | SyntheticChildrenFrontEnd* |
| 280 | lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 281 | { |
| 282 | static ConstString g_item_name; |
| 283 | if (!g_item_name) |
| 284 | g_item_name.SetCString("__i"); |
| 285 | if (!valobj_sp) |
| 286 | return NULL; |
| 287 | return (new VectorIteratorSyntheticFrontEnd(valobj_sp,g_item_name)); |
| 288 | } |
Enrico Granata | cc5d274 | 2013-03-19 22:58:48 +0000 | [diff] [blame] | 289 | |
| 290 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::LibcxxSharedPtrSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 291 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 292 | m_cntrl(NULL), |
| 293 | m_count_sp(), |
| 294 | m_weak_count_sp(), |
| 295 | m_ptr_size(0), |
| 296 | m_byte_order(lldb::eByteOrderInvalid) |
| 297 | { |
| 298 | if (valobj_sp) |
| 299 | Update(); |
| 300 | } |
| 301 | |
| 302 | size_t |
| 303 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::CalculateNumChildren () |
| 304 | { |
| 305 | return (m_cntrl ? 1 : 0); |
| 306 | } |
| 307 | |
| 308 | lldb::ValueObjectSP |
| 309 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 310 | { |
| 311 | if (!m_cntrl) |
| 312 | return lldb::ValueObjectSP(); |
| 313 | |
| 314 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 315 | if (!valobj_sp) |
| 316 | return lldb::ValueObjectSP(); |
| 317 | |
| 318 | if (idx == 0) |
| 319 | return valobj_sp->GetChildMemberWithName(ConstString("__ptr_"), true); |
| 320 | |
| 321 | if (idx > 2) |
| 322 | return lldb::ValueObjectSP(); |
| 323 | |
| 324 | if (idx == 1) |
| 325 | { |
| 326 | if (!m_count_sp) |
| 327 | { |
| 328 | ValueObjectSP shared_owners_sp(m_cntrl->GetChildMemberWithName(ConstString("__shared_owners_"),true)); |
| 329 | if (!shared_owners_sp) |
| 330 | return lldb::ValueObjectSP(); |
| 331 | uint64_t count = 1 + shared_owners_sp->GetValueAsUnsigned(0); |
| 332 | DataExtractor data(&count, 8, m_byte_order, m_ptr_size); |
| 333 | m_count_sp = ValueObject::CreateValueObjectFromData("count", data, valobj_sp->GetExecutionContextRef(), ClangASTType(shared_owners_sp->GetClangAST(), shared_owners_sp->GetClangType())); |
| 334 | } |
| 335 | return m_count_sp; |
| 336 | } |
| 337 | else /* if (idx == 2) */ |
| 338 | { |
| 339 | if (!m_weak_count_sp) |
| 340 | { |
| 341 | ValueObjectSP shared_weak_owners_sp(m_cntrl->GetChildMemberWithName(ConstString("__shared_weak_owners_"),true)); |
| 342 | if (!shared_weak_owners_sp) |
| 343 | return lldb::ValueObjectSP(); |
| 344 | uint64_t count = 1 + shared_weak_owners_sp->GetValueAsUnsigned(0); |
| 345 | DataExtractor data(&count, 8, m_byte_order, m_ptr_size); |
| 346 | m_weak_count_sp = ValueObject::CreateValueObjectFromData("count", data, valobj_sp->GetExecutionContextRef(), ClangASTType(shared_weak_owners_sp->GetClangAST(), shared_weak_owners_sp->GetClangType())); |
| 347 | } |
| 348 | return m_weak_count_sp; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | bool |
| 353 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::Update() |
| 354 | { |
| 355 | m_count_sp.reset(); |
| 356 | m_weak_count_sp.reset(); |
| 357 | m_cntrl = NULL; |
| 358 | |
| 359 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 360 | if (!valobj_sp) |
| 361 | return false; |
| 362 | |
| 363 | TargetSP target_sp(valobj_sp->GetTargetSP()); |
| 364 | if (!target_sp) |
| 365 | return false; |
| 366 | |
| 367 | m_byte_order = target_sp->GetArchitecture().GetByteOrder(); |
| 368 | m_ptr_size = target_sp->GetArchitecture().GetAddressByteSize(); |
| 369 | |
| 370 | lldb::ValueObjectSP cntrl_sp(valobj_sp->GetChildMemberWithName(ConstString("__cntrl_"),true)); |
| 371 | |
| 372 | m_cntrl = cntrl_sp.get(); // need to store the raw pointer to avoid a circular dependency |
| 373 | return false; |
| 374 | } |
| 375 | |
| 376 | bool |
| 377 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::MightHaveChildren () |
| 378 | { |
| 379 | return true; |
| 380 | } |
| 381 | |
| 382 | size_t |
| 383 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 384 | { |
| 385 | if (name == ConstString("__ptr_")) |
| 386 | return 0; |
| 387 | if (name == ConstString("count")) |
| 388 | return 1; |
| 389 | if (name == ConstString("weak_count")) |
| 390 | return 2; |
| 391 | return UINT32_MAX; |
| 392 | } |
| 393 | |
| 394 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::~LibcxxSharedPtrSyntheticFrontEnd () |
| 395 | {} |
| 396 | |
| 397 | SyntheticChildrenFrontEnd* |
| 398 | lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 399 | { |
| 400 | if (!valobj_sp) |
| 401 | return NULL; |
| 402 | return (new LibcxxSharedPtrSyntheticFrontEnd(valobj_sp)); |
| 403 | } |
| 404 | |
| 405 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::LibcxxStdVectorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
Greg Clayton | 7002d45 | 2013-03-26 18:42:13 +0000 | [diff] [blame] | 406 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 407 | m_start(NULL), |
| 408 | m_finish(NULL), |
| 409 | m_element_type(), |
| 410 | m_element_size(0), |
| 411 | m_children() |
Enrico Granata | cc5d274 | 2013-03-19 22:58:48 +0000 | [diff] [blame] | 412 | { |
| 413 | if (valobj_sp) |
| 414 | Update(); |
| 415 | } |
| 416 | |
| 417 | size_t |
| 418 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::CalculateNumChildren () |
| 419 | { |
| 420 | if (!m_start || !m_finish) |
| 421 | return 0; |
| 422 | uint64_t start_val = m_start->GetValueAsUnsigned(0); |
| 423 | uint64_t finish_val = m_finish->GetValueAsUnsigned(0); |
| 424 | |
| 425 | if (start_val == 0 || finish_val == 0) |
| 426 | return 0; |
| 427 | |
| 428 | if (start_val >= finish_val) |
| 429 | return 0; |
| 430 | |
| 431 | size_t num_children = (finish_val - start_val); |
| 432 | if (num_children % m_element_size) |
| 433 | return 0; |
| 434 | return num_children/m_element_size; |
| 435 | } |
| 436 | |
| 437 | lldb::ValueObjectSP |
| 438 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 439 | { |
| 440 | if (!m_start || !m_finish) |
| 441 | return lldb::ValueObjectSP(); |
| 442 | |
| 443 | auto cached = m_children.find(idx); |
| 444 | if (cached != m_children.end()) |
| 445 | return cached->second; |
| 446 | |
| 447 | uint64_t offset = idx * m_element_size; |
| 448 | offset = offset + m_start->GetValueAsUnsigned(0); |
| 449 | StreamString name; |
| 450 | name.Printf("[%zu]",idx); |
| 451 | ValueObjectSP child_sp = ValueObject::CreateValueObjectFromAddress(name.GetData(), offset, m_backend.GetExecutionContextRef(), m_element_type); |
| 452 | m_children[idx] = child_sp; |
| 453 | return child_sp; |
| 454 | } |
| 455 | |
| 456 | bool |
| 457 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::Update() |
| 458 | { |
| 459 | m_start = m_finish = NULL; |
| 460 | m_children.clear(); |
| 461 | ValueObjectSP data_type_finder_sp(m_backend.GetChildMemberWithName(ConstString("__end_cap_"),true)); |
| 462 | if (!data_type_finder_sp) |
| 463 | return false; |
| 464 | data_type_finder_sp = data_type_finder_sp->GetChildMemberWithName(ConstString("__first_"),true); |
| 465 | if (!data_type_finder_sp) |
| 466 | return false; |
| 467 | m_element_type = ClangASTType(data_type_finder_sp->GetClangAST(),data_type_finder_sp->GetClangType()); |
| 468 | m_element_type.SetClangType(m_element_type.GetASTContext(), m_element_type.GetPointeeType()); |
| 469 | m_element_size = m_element_type.GetTypeByteSize(); |
Greg Clayton | 7002d45 | 2013-03-26 18:42:13 +0000 | [diff] [blame] | 470 | |
| 471 | if (m_element_size > 0) |
| 472 | { |
| 473 | // store raw pointers or end up with a circular dependency |
| 474 | m_start = m_backend.GetChildMemberWithName(ConstString("__begin_"),true).get(); |
| 475 | m_finish = m_backend.GetChildMemberWithName(ConstString("__end_"),true).get(); |
| 476 | } |
Enrico Granata | cc5d274 | 2013-03-19 22:58:48 +0000 | [diff] [blame] | 477 | return false; |
| 478 | } |
| 479 | |
| 480 | bool |
| 481 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::MightHaveChildren () |
| 482 | { |
| 483 | return true; |
| 484 | } |
| 485 | |
| 486 | size_t |
| 487 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 488 | { |
| 489 | if (!m_start || !m_finish) |
| 490 | return UINT32_MAX; |
| 491 | return ExtractIndexFromString(name.GetCString()); |
| 492 | } |
| 493 | |
| 494 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEnd::~LibcxxStdVectorSyntheticFrontEnd () |
| 495 | { |
| 496 | // these need to stay around because they are child objects who will follow their parent's life cycle |
| 497 | // delete m_start; |
| 498 | // delete m_finish; |
| 499 | } |
| 500 | |
| 501 | SyntheticChildrenFrontEnd* |
| 502 | lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 503 | { |
| 504 | if (!valobj_sp) |
| 505 | return NULL; |
| 506 | return (new LibcxxStdVectorSyntheticFrontEnd(valobj_sp)); |
| 507 | } |
Enrico Granata | 8f0f475 | 2013-05-06 18:55:52 +0000 | [diff] [blame] | 508 | |
| 509 | bool |
| 510 | lldb_private::formatters::LibcxxContainerSummaryProvider (ValueObject& valobj, Stream& stream) |
| 511 | { |
| 512 | if (valobj.IsPointerType()) |
| 513 | { |
| 514 | uint64_t value = valobj.GetValueAsUnsigned(0); |
| 515 | if (!value) |
| 516 | return false; |
| 517 | stream.Printf("0x%016llx ", value); |
| 518 | } |
| 519 | return Debugger::FormatPrompt("size=${svar%#}", NULL, NULL, NULL, stream, NULL, &valobj); |
| 520 | } |