Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 1 | //===-- NSDictionary.cpp ------------------------------------------*- C++ -*-===// |
| 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 | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 12 | #include "lldb/DataFormatters/CXXFormatterFunctions.h" |
| 13 | |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 14 | #include "lldb/Core/DataBufferHeap.h" |
| 15 | #include "lldb/Core/Error.h" |
| 16 | #include "lldb/Core/Stream.h" |
| 17 | #include "lldb/Core/ValueObject.h" |
| 18 | #include "lldb/Core/ValueObjectConstResult.h" |
| 19 | #include "lldb/Host/Endian.h" |
| 20 | #include "lldb/Symbol/ClangASTContext.h" |
| 21 | #include "lldb/Target/ObjCLanguageRuntime.h" |
| 22 | #include "lldb/Target/Target.h" |
| 23 | |
Jason Molenda | b902709 | 2013-04-03 20:32:17 +0000 | [diff] [blame] | 24 | #include "clang/AST/DeclCXX.h" |
| 25 | |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 26 | using namespace lldb; |
| 27 | using namespace lldb_private; |
| 28 | using namespace lldb_private::formatters; |
| 29 | |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 30 | static ClangASTType |
| 31 | GetLLDBNSPairType (TargetSP target_sp) |
| 32 | { |
| 33 | ClangASTType clang_type = ClangASTType(); |
| 34 | |
| 35 | ClangASTContext *target_ast_context = target_sp->GetScratchClangASTContext(); |
| 36 | |
| 37 | if (!target_ast_context) |
| 38 | return clang_type; |
| 39 | |
| 40 | const char* type_name = "__lldb_autogen_nspair"; |
| 41 | |
| 42 | clang::IdentifierInfo &myIdent = target_ast_context->getASTContext()->Idents.get(type_name); |
| 43 | clang::DeclarationName myName = target_ast_context->getASTContext()->DeclarationNames.getIdentifier(&myIdent); |
| 44 | |
| 45 | clang::DeclContext::lookup_const_result result = target_ast_context->getASTContext()->getTranslationUnitDecl()->lookup(myName); |
| 46 | |
| 47 | clang_type_t opaque_type = NULL; |
| 48 | |
| 49 | for (clang::NamedDecl *named_decl : result) |
| 50 | { |
| 51 | if (const clang::CXXRecordDecl *record_decl = llvm::dyn_cast<clang::CXXRecordDecl>(named_decl)) |
| 52 | { |
| 53 | opaque_type = clang::QualType(record_decl->getTypeForDecl(), 0).getAsOpaquePtr(); |
| 54 | break; |
| 55 | } |
| 56 | else |
| 57 | { |
| 58 | // somebody else (the user?) has defined a type with the magic name already - fail!!! |
| 59 | return clang_type; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | if (!opaque_type) |
| 64 | { |
| 65 | opaque_type = target_ast_context->CreateRecordType(NULL, lldb::eAccessPublic, type_name, clang::TTK_Struct, lldb::eLanguageTypeC); |
| 66 | |
| 67 | if (!opaque_type) |
| 68 | return clang_type; |
| 69 | |
| 70 | target_ast_context->StartTagDeclarationDefinition(opaque_type); |
| 71 | |
| 72 | target_ast_context->AddFieldToRecordType(opaque_type, "key", target_ast_context->GetBuiltInType_objc_id(), lldb::eAccessPublic, 0); |
| 73 | target_ast_context->AddFieldToRecordType(opaque_type, "value", target_ast_context->GetBuiltInType_objc_id(), lldb::eAccessPublic, 0); |
| 74 | |
| 75 | target_ast_context->CompleteTagDeclarationDefinition(opaque_type); |
| 76 | } |
| 77 | |
| 78 | clang_type.SetClangType(target_ast_context->getASTContext(), opaque_type); |
| 79 | return clang_type; |
| 80 | } |
| 81 | |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 82 | template<bool name_entries> |
| 83 | bool |
| 84 | lldb_private::formatters::NSDictionarySummaryProvider (ValueObject& valobj, Stream& stream) |
| 85 | { |
| 86 | ProcessSP process_sp = valobj.GetProcessSP(); |
| 87 | if (!process_sp) |
| 88 | return false; |
| 89 | |
| 90 | ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 91 | |
| 92 | if (!runtime) |
| 93 | return false; |
| 94 | |
| 95 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| 96 | |
| 97 | if (!descriptor.get() || !descriptor->IsValid()) |
| 98 | return false; |
| 99 | |
| 100 | uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| 101 | bool is_64bit = (ptr_size == 8); |
| 102 | |
| 103 | lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| 104 | |
| 105 | if (!valobj_addr) |
| 106 | return false; |
| 107 | |
| 108 | uint64_t value = 0; |
| 109 | |
| 110 | const char* class_name = descriptor->GetClassName().GetCString(); |
| 111 | |
| 112 | if (!class_name || !*class_name) |
| 113 | return false; |
| 114 | |
| 115 | if (!strcmp(class_name,"__NSDictionaryI")) |
| 116 | { |
| 117 | Error error; |
| 118 | value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error); |
| 119 | if (error.Fail()) |
| 120 | return false; |
| 121 | value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U); |
| 122 | } |
| 123 | else if (!strcmp(class_name,"__NSDictionaryM")) |
| 124 | { |
| 125 | Error error; |
| 126 | value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error); |
| 127 | if (error.Fail()) |
| 128 | return false; |
| 129 | value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U); |
| 130 | } |
Enrico Granata | b70c6ef | 2013-03-15 18:44:08 +0000 | [diff] [blame] | 131 | /*else if (!strcmp(class_name,"__NSCFDictionary")) |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 132 | { |
| 133 | Error error; |
Enrico Granata | b70c6ef | 2013-03-15 18:44:08 +0000 | [diff] [blame] | 134 | value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + (is_64bit ? 20 : 12), 4, 0, error); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 135 | if (error.Fail()) |
| 136 | return false; |
| 137 | if (is_64bit) |
| 138 | value &= ~0x0f1f000000000000UL; |
Enrico Granata | b70c6ef | 2013-03-15 18:44:08 +0000 | [diff] [blame] | 139 | }*/ |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 140 | else |
| 141 | { |
| 142 | if (!ExtractValueFromObjCExpression(valobj, "int", "count", value)) |
| 143 | return false; |
| 144 | } |
| 145 | |
| 146 | stream.Printf("%s%" PRIu64 " %s%s", |
| 147 | (name_entries ? "@\"" : ""), |
| 148 | value, |
| 149 | (name_entries ? (value == 1 ? "entry" : "entries") : (value == 1 ? "key/value pair" : "key/value pairs")), |
| 150 | (name_entries ? "\"" : "")); |
| 151 | return true; |
| 152 | } |
| 153 | |
| 154 | SyntheticChildrenFrontEnd* lldb_private::formatters::NSDictionarySyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 155 | { |
| 156 | |
| 157 | lldb::ProcessSP process_sp (valobj_sp->GetProcessSP()); |
| 158 | if (!process_sp) |
| 159 | return NULL; |
| 160 | ObjCLanguageRuntime *runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 161 | if (!runtime) |
| 162 | return NULL; |
| 163 | |
| 164 | if (!valobj_sp->IsPointerType()) |
| 165 | { |
| 166 | Error error; |
| 167 | valobj_sp = valobj_sp->AddressOf(error); |
| 168 | if (error.Fail() || !valobj_sp) |
| 169 | return NULL; |
| 170 | } |
| 171 | |
| 172 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(*valobj_sp.get())); |
| 173 | |
| 174 | if (!descriptor.get() || !descriptor->IsValid()) |
| 175 | return NULL; |
| 176 | |
| 177 | const char* class_name = descriptor->GetClassName().GetCString(); |
| 178 | |
| 179 | if (!class_name || !*class_name) |
| 180 | return NULL; |
| 181 | |
| 182 | if (!strcmp(class_name,"__NSDictionaryI")) |
| 183 | { |
| 184 | return (new NSDictionaryISyntheticFrontEnd(valobj_sp)); |
| 185 | } |
| 186 | else if (!strcmp(class_name,"__NSDictionaryM")) |
| 187 | { |
| 188 | return (new NSDictionaryMSyntheticFrontEnd(valobj_sp)); |
| 189 | } |
| 190 | else |
| 191 | { |
| 192 | return (new NSDictionaryCodeRunningSyntheticFrontEnd(valobj_sp)); |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::NSDictionaryCodeRunningSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 197 | SyntheticChildrenFrontEnd(*valobj_sp.get()) |
| 198 | {} |
| 199 | |
| 200 | size_t |
| 201 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::CalculateNumChildren () |
| 202 | { |
| 203 | uint64_t count = 0; |
| 204 | if (ExtractValueFromObjCExpression(m_backend, "int", "count", count)) |
| 205 | return count; |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | lldb::ValueObjectSP |
| 210 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 211 | { |
| 212 | StreamString idx_name; |
| 213 | idx_name.Printf("[%zu]",idx); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 214 | StreamString key_fetcher_expr; |
Enrico Granata | ade70cf | 2013-02-25 19:44:39 +0000 | [diff] [blame] | 215 | key_fetcher_expr.Printf("(id)[(NSArray*)[(id)0x%" PRIx64 " allKeys] objectAtIndex:%zu]",m_backend.GetPointerValue(),idx); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 216 | StreamString value_fetcher_expr; |
Enrico Granata | ade70cf | 2013-02-25 19:44:39 +0000 | [diff] [blame] | 217 | value_fetcher_expr.Printf("(id)[(id)0x%" PRIx64 " objectForKey:(%s)]",m_backend.GetPointerValue(),key_fetcher_expr.GetData()); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 218 | StreamString object_fetcher_expr; |
| 219 | object_fetcher_expr.Printf("struct __lldb_autogen_nspair { id key; id value; } _lldb_valgen_item; _lldb_valgen_item.key = %s; _lldb_valgen_item.value = %s; _lldb_valgen_item;",key_fetcher_expr.GetData(),value_fetcher_expr.GetData()); |
| 220 | lldb::ValueObjectSP child_sp; |
| 221 | m_backend.GetTargetSP()->EvaluateExpression(object_fetcher_expr.GetData(), m_backend.GetFrameSP().get(), child_sp, |
| 222 | EvaluateExpressionOptions().SetKeepInMemory(true)); |
| 223 | if (child_sp) |
| 224 | child_sp->SetName(ConstString(idx_name.GetData())); |
| 225 | return child_sp; |
| 226 | } |
| 227 | |
| 228 | bool |
| 229 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::Update() |
| 230 | { |
| 231 | return false; |
| 232 | } |
| 233 | |
| 234 | bool |
| 235 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::MightHaveChildren () |
| 236 | { |
| 237 | return true; |
| 238 | } |
| 239 | |
| 240 | size_t |
| 241 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 242 | { |
| 243 | return 0; |
| 244 | } |
| 245 | |
| 246 | lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::~NSDictionaryCodeRunningSyntheticFrontEnd () |
| 247 | {} |
| 248 | |
| 249 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::NSDictionaryISyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 250 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 251 | m_exe_ctx_ref(), |
| 252 | m_ptr_size(8), |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 253 | m_order(lldb::eByteOrderInvalid), |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 254 | m_data_32(NULL), |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 255 | m_data_64(NULL), |
| 256 | m_pair_type() |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 257 | { |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::~NSDictionaryISyntheticFrontEnd () |
| 261 | { |
| 262 | delete m_data_32; |
| 263 | m_data_32 = NULL; |
| 264 | delete m_data_64; |
| 265 | m_data_64 = NULL; |
| 266 | } |
| 267 | |
| 268 | size_t |
| 269 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 270 | { |
| 271 | const char* item_name = name.GetCString(); |
| 272 | uint32_t idx = ExtractIndexFromString(item_name); |
| 273 | if (idx < UINT32_MAX && idx >= CalculateNumChildren()) |
| 274 | return UINT32_MAX; |
| 275 | return idx; |
| 276 | } |
| 277 | |
| 278 | size_t |
| 279 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::CalculateNumChildren () |
| 280 | { |
| 281 | if (!m_data_32 && !m_data_64) |
| 282 | return 0; |
| 283 | return (m_data_32 ? m_data_32->_used : m_data_64->_used); |
| 284 | } |
| 285 | |
| 286 | bool |
| 287 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::Update() |
| 288 | { |
| 289 | m_children.clear(); |
| 290 | delete m_data_32; |
| 291 | m_data_32 = NULL; |
| 292 | delete m_data_64; |
| 293 | m_data_64 = NULL; |
| 294 | m_ptr_size = 0; |
| 295 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 296 | if (!valobj_sp) |
| 297 | return false; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 298 | m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); |
| 299 | Error error; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 300 | error.Clear(); |
| 301 | lldb::ProcessSP process_sp(valobj_sp->GetProcessSP()); |
| 302 | if (!process_sp) |
| 303 | return false; |
| 304 | m_ptr_size = process_sp->GetAddressByteSize(); |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 305 | m_order = process_sp->GetByteOrder(); |
Enrico Granata | fe26a23 | 2013-04-23 01:13:50 +0000 | [diff] [blame] | 306 | uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 307 | if (m_ptr_size == 4) |
| 308 | { |
| 309 | m_data_32 = new DataDescriptor_32(); |
| 310 | process_sp->ReadMemory (data_location, m_data_32, sizeof(DataDescriptor_32), error); |
| 311 | } |
| 312 | else |
| 313 | { |
| 314 | m_data_64 = new DataDescriptor_64(); |
| 315 | process_sp->ReadMemory (data_location, m_data_64, sizeof(DataDescriptor_64), error); |
| 316 | } |
| 317 | if (error.Fail()) |
| 318 | return false; |
| 319 | m_data_ptr = data_location + m_ptr_size; |
| 320 | return false; |
| 321 | } |
| 322 | |
| 323 | bool |
| 324 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::MightHaveChildren () |
| 325 | { |
| 326 | return true; |
| 327 | } |
| 328 | |
| 329 | lldb::ValueObjectSP |
| 330 | lldb_private::formatters::NSDictionaryISyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 331 | { |
| 332 | uint32_t num_children = CalculateNumChildren(); |
| 333 | |
| 334 | if (idx >= num_children) |
| 335 | return lldb::ValueObjectSP(); |
| 336 | |
| 337 | if (m_children.empty()) |
| 338 | { |
| 339 | // do the scan phase |
| 340 | lldb::addr_t key_at_idx = 0, val_at_idx = 0; |
| 341 | |
| 342 | uint32_t tries = 0; |
| 343 | uint32_t test_idx = 0; |
| 344 | |
| 345 | while(tries < num_children) |
| 346 | { |
| 347 | key_at_idx = m_data_ptr + (2*test_idx * m_ptr_size); |
| 348 | val_at_idx = key_at_idx + m_ptr_size; |
| 349 | ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP(); |
| 350 | if (!process_sp) |
| 351 | return lldb::ValueObjectSP(); |
| 352 | Error error; |
| 353 | key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error); |
| 354 | if (error.Fail()) |
| 355 | return lldb::ValueObjectSP(); |
| 356 | val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error); |
| 357 | if (error.Fail()) |
| 358 | return lldb::ValueObjectSP(); |
| 359 | |
| 360 | test_idx++; |
| 361 | |
| 362 | if (!key_at_idx || !val_at_idx) |
| 363 | continue; |
| 364 | tries++; |
| 365 | |
| 366 | DictionaryItemDescriptor descriptor = {key_at_idx,val_at_idx,lldb::ValueObjectSP()}; |
| 367 | |
| 368 | m_children.push_back(descriptor); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | if (idx >= m_children.size()) // should never happen |
| 373 | return lldb::ValueObjectSP(); |
| 374 | |
| 375 | DictionaryItemDescriptor &dict_item = m_children[idx]; |
| 376 | if (!dict_item.valobj_sp) |
| 377 | { |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 378 | if (!m_pair_type.IsValid()) |
| 379 | { |
| 380 | TargetSP target_sp(m_backend.GetTargetSP()); |
| 381 | if (!target_sp) |
| 382 | return ValueObjectSP(); |
| 383 | m_pair_type = GetLLDBNSPairType(target_sp); |
| 384 | } |
| 385 | if (!m_pair_type.IsValid()) |
| 386 | return ValueObjectSP(); |
| 387 | |
| 388 | DataBufferSP buffer_sp(new DataBufferHeap(2*m_ptr_size,0)); |
| 389 | |
| 390 | if (m_ptr_size == 8) |
| 391 | { |
| 392 | uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes(); |
| 393 | *data_ptr = dict_item.key_ptr; |
| 394 | *(data_ptr+1) = dict_item.val_ptr; |
| 395 | } |
| 396 | else |
| 397 | { |
| 398 | uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes(); |
| 399 | *data_ptr = dict_item.key_ptr; |
| 400 | *(data_ptr+1) = dict_item.val_ptr; |
| 401 | } |
| 402 | |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 403 | StreamString idx_name; |
| 404 | idx_name.Printf("[%zu]",idx); |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 405 | DataExtractor data(buffer_sp, m_order, m_ptr_size); |
| 406 | dict_item.valobj_sp = ValueObject::CreateValueObjectFromData(idx_name.GetData(), data, m_exe_ctx_ref, m_pair_type); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 407 | } |
| 408 | return dict_item.valobj_sp; |
| 409 | } |
| 410 | |
| 411 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::NSDictionaryMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 412 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 413 | m_exe_ctx_ref(), |
| 414 | m_ptr_size(8), |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 415 | m_order(lldb::eByteOrderInvalid), |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 416 | m_data_32(NULL), |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 417 | m_data_64(NULL), |
| 418 | m_pair_type() |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 419 | { |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::~NSDictionaryMSyntheticFrontEnd () |
| 423 | { |
| 424 | delete m_data_32; |
| 425 | m_data_32 = NULL; |
| 426 | delete m_data_64; |
| 427 | m_data_64 = NULL; |
| 428 | } |
| 429 | |
| 430 | size_t |
| 431 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 432 | { |
| 433 | const char* item_name = name.GetCString(); |
| 434 | uint32_t idx = ExtractIndexFromString(item_name); |
| 435 | if (idx < UINT32_MAX && idx >= CalculateNumChildren()) |
| 436 | return UINT32_MAX; |
| 437 | return idx; |
| 438 | } |
| 439 | |
| 440 | size_t |
| 441 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::CalculateNumChildren () |
| 442 | { |
| 443 | if (!m_data_32 && !m_data_64) |
| 444 | return 0; |
| 445 | return (m_data_32 ? m_data_32->_used : m_data_64->_used); |
| 446 | } |
| 447 | |
| 448 | bool |
| 449 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::Update() |
| 450 | { |
| 451 | m_children.clear(); |
| 452 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 453 | m_ptr_size = 0; |
| 454 | delete m_data_32; |
| 455 | m_data_32 = NULL; |
| 456 | delete m_data_64; |
| 457 | m_data_64 = NULL; |
| 458 | if (!valobj_sp) |
| 459 | return false; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 460 | m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); |
| 461 | Error error; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 462 | error.Clear(); |
| 463 | lldb::ProcessSP process_sp(valobj_sp->GetProcessSP()); |
| 464 | if (!process_sp) |
| 465 | return false; |
| 466 | m_ptr_size = process_sp->GetAddressByteSize(); |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 467 | m_order = process_sp->GetByteOrder(); |
Enrico Granata | fe26a23 | 2013-04-23 01:13:50 +0000 | [diff] [blame] | 468 | uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 469 | if (m_ptr_size == 4) |
| 470 | { |
| 471 | m_data_32 = new DataDescriptor_32(); |
| 472 | process_sp->ReadMemory (data_location, m_data_32, sizeof(DataDescriptor_32), error); |
| 473 | } |
| 474 | else |
| 475 | { |
| 476 | m_data_64 = new DataDescriptor_64(); |
| 477 | process_sp->ReadMemory (data_location, m_data_64, sizeof(DataDescriptor_64), error); |
| 478 | } |
| 479 | if (error.Fail()) |
| 480 | return false; |
| 481 | return false; |
| 482 | } |
| 483 | |
| 484 | bool |
| 485 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::MightHaveChildren () |
| 486 | { |
| 487 | return true; |
| 488 | } |
| 489 | |
| 490 | lldb::ValueObjectSP |
| 491 | lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 492 | { |
| 493 | lldb::addr_t m_keys_ptr = (m_data_32 ? m_data_32->_keys_addr : m_data_64->_keys_addr); |
| 494 | lldb::addr_t m_values_ptr = (m_data_32 ? m_data_32->_objs_addr : m_data_64->_objs_addr); |
| 495 | |
| 496 | uint32_t num_children = CalculateNumChildren(); |
| 497 | |
| 498 | if (idx >= num_children) |
| 499 | return lldb::ValueObjectSP(); |
| 500 | |
| 501 | if (m_children.empty()) |
| 502 | { |
| 503 | // do the scan phase |
| 504 | lldb::addr_t key_at_idx = 0, val_at_idx = 0; |
| 505 | |
| 506 | uint32_t tries = 0; |
| 507 | uint32_t test_idx = 0; |
| 508 | |
| 509 | while(tries < num_children) |
| 510 | { |
| 511 | key_at_idx = m_keys_ptr + (test_idx * m_ptr_size); |
| 512 | val_at_idx = m_values_ptr + (test_idx * m_ptr_size);; |
| 513 | ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP(); |
| 514 | if (!process_sp) |
| 515 | return lldb::ValueObjectSP(); |
| 516 | Error error; |
| 517 | key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error); |
| 518 | if (error.Fail()) |
| 519 | return lldb::ValueObjectSP(); |
| 520 | val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error); |
| 521 | if (error.Fail()) |
| 522 | return lldb::ValueObjectSP(); |
| 523 | |
| 524 | test_idx++; |
| 525 | |
| 526 | if (!key_at_idx || !val_at_idx) |
| 527 | continue; |
| 528 | tries++; |
| 529 | |
| 530 | DictionaryItemDescriptor descriptor = {key_at_idx,val_at_idx,lldb::ValueObjectSP()}; |
| 531 | |
| 532 | m_children.push_back(descriptor); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | if (idx >= m_children.size()) // should never happen |
| 537 | return lldb::ValueObjectSP(); |
| 538 | |
| 539 | DictionaryItemDescriptor &dict_item = m_children[idx]; |
| 540 | if (!dict_item.valobj_sp) |
| 541 | { |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 542 | if (!m_pair_type.IsValid()) |
| 543 | { |
| 544 | TargetSP target_sp(m_backend.GetTargetSP()); |
| 545 | if (!target_sp) |
| 546 | return ValueObjectSP(); |
| 547 | m_pair_type = GetLLDBNSPairType(target_sp); |
| 548 | } |
| 549 | if (!m_pair_type.IsValid()) |
| 550 | return ValueObjectSP(); |
| 551 | |
| 552 | DataBufferSP buffer_sp(new DataBufferHeap(2*m_ptr_size,0)); |
| 553 | |
| 554 | if (m_ptr_size == 8) |
| 555 | { |
| 556 | uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes(); |
| 557 | *data_ptr = dict_item.key_ptr; |
| 558 | *(data_ptr+1) = dict_item.val_ptr; |
| 559 | } |
| 560 | else |
| 561 | { |
| 562 | uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes(); |
| 563 | *data_ptr = dict_item.key_ptr; |
| 564 | *(data_ptr+1) = dict_item.val_ptr; |
| 565 | } |
| 566 | |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 567 | StreamString idx_name; |
| 568 | idx_name.Printf("[%zu]",idx); |
Enrico Granata | 33d1098 | 2013-04-03 01:25:29 +0000 | [diff] [blame] | 569 | DataExtractor data(buffer_sp, m_order, m_ptr_size); |
| 570 | dict_item.valobj_sp = ValueObject::CreateValueObjectFromData(idx_name.GetData(), data, m_exe_ctx_ref, m_pair_type); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 571 | } |
| 572 | return dict_item.valobj_sp; |
| 573 | } |
| 574 | |
| 575 | template bool |
| 576 | lldb_private::formatters::NSDictionarySummaryProvider<true> (ValueObject&, Stream&) ; |
| 577 | |
| 578 | template bool |
| 579 | lldb_private::formatters::NSDictionarySummaryProvider<false> (ValueObject&, Stream&) ; |