Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 1 | //===-- NSArray.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 | |
| 24 | using namespace lldb; |
| 25 | using namespace lldb_private; |
| 26 | using namespace lldb_private::formatters; |
| 27 | |
| 28 | bool |
| 29 | lldb_private::formatters::NSArraySummaryProvider (ValueObject& valobj, Stream& stream) |
| 30 | { |
| 31 | ProcessSP process_sp = valobj.GetProcessSP(); |
| 32 | if (!process_sp) |
| 33 | return false; |
| 34 | |
| 35 | ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 36 | |
| 37 | if (!runtime) |
| 38 | return false; |
| 39 | |
| 40 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| 41 | |
| 42 | if (!descriptor.get() || !descriptor->IsValid()) |
| 43 | return false; |
| 44 | |
| 45 | uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| 46 | |
| 47 | lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| 48 | |
| 49 | if (!valobj_addr) |
| 50 | return false; |
| 51 | |
| 52 | uint64_t value = 0; |
| 53 | |
| 54 | const char* class_name = descriptor->GetClassName().GetCString(); |
| 55 | |
| 56 | if (!class_name || !*class_name) |
| 57 | return false; |
| 58 | |
| 59 | if (!strcmp(class_name,"__NSArrayI")) |
| 60 | { |
| 61 | Error error; |
| 62 | value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error); |
| 63 | if (error.Fail()) |
| 64 | return false; |
| 65 | } |
| 66 | else if (!strcmp(class_name,"__NSArrayM")) |
| 67 | { |
| 68 | Error error; |
| 69 | value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error); |
| 70 | if (error.Fail()) |
| 71 | return false; |
| 72 | } |
| 73 | else if (!strcmp(class_name,"__NSCFArray")) |
| 74 | { |
| 75 | Error error; |
| 76 | value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + 2 * ptr_size, ptr_size, 0, error); |
| 77 | if (error.Fail()) |
| 78 | return false; |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | if (!ExtractValueFromObjCExpression(valobj, "int", "count", value)) |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | stream.Printf("@\"%" PRIu64 " object%s\"", |
| 87 | value, |
| 88 | value == 1 ? "" : "s"); |
| 89 | return true; |
| 90 | } |
| 91 | |
| 92 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::NSArrayMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 93 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 94 | m_exe_ctx_ref(), |
| 95 | m_ptr_size(8), |
| 96 | m_data_32(NULL), |
| 97 | m_data_64(NULL) |
| 98 | { |
| 99 | if (valobj_sp) |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 100 | m_id_type = ClangASTType(valobj_sp->GetClangAST(),valobj_sp->GetClangAST()->ObjCBuiltinIdTy.getAsOpaquePtr()); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | size_t |
| 104 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::CalculateNumChildren () |
| 105 | { |
| 106 | if (m_data_32) |
| 107 | return m_data_32->_used; |
| 108 | if (m_data_64) |
| 109 | return m_data_64->_used; |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | lldb::ValueObjectSP |
| 114 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 115 | { |
| 116 | if (!m_data_32 && !m_data_64) |
| 117 | return lldb::ValueObjectSP(); |
| 118 | if (idx >= CalculateNumChildren()) |
| 119 | return lldb::ValueObjectSP(); |
| 120 | lldb::addr_t object_at_idx = (m_data_32 ? m_data_32->_data : m_data_64->_data); |
Enrico Granata | dea1f15 | 2013-03-26 21:44:13 +0000 | [diff] [blame] | 121 | size_t pyhs_idx = idx; |
| 122 | pyhs_idx += (m_data_32 ? m_data_32->offset : m_data_64->offset); |
| 123 | if ((m_data_32 ? m_data_32->_size : m_data_64->_size) <= pyhs_idx) |
| 124 | pyhs_idx -= (m_data_32 ? m_data_32->_size : m_data_64->_size); |
| 125 | object_at_idx += (pyhs_idx * m_ptr_size); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 126 | StreamString idx_name; |
| 127 | idx_name.Printf("[%zu]",idx); |
| 128 | lldb::ValueObjectSP retval_sp = ValueObject::CreateValueObjectFromAddress(idx_name.GetData(), |
| 129 | object_at_idx, |
| 130 | m_exe_ctx_ref, |
| 131 | m_id_type); |
| 132 | m_children.push_back(retval_sp); |
| 133 | return retval_sp; |
| 134 | } |
| 135 | |
| 136 | bool |
| 137 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::Update() |
| 138 | { |
| 139 | m_children.clear(); |
| 140 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
| 141 | m_ptr_size = 0; |
| 142 | delete m_data_32; |
| 143 | m_data_32 = NULL; |
| 144 | delete m_data_64; |
| 145 | m_data_64 = NULL; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 146 | if (!valobj_sp) |
| 147 | return false; |
| 148 | m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); |
| 149 | Error error; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 150 | error.Clear(); |
| 151 | lldb::ProcessSP process_sp(valobj_sp->GetProcessSP()); |
| 152 | if (!process_sp) |
| 153 | return false; |
| 154 | m_ptr_size = process_sp->GetAddressByteSize(); |
Enrico Granata | fe26a23 | 2013-04-23 01:13:50 +0000 | [diff] [blame] | 155 | uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 156 | if (m_ptr_size == 4) |
| 157 | { |
| 158 | m_data_32 = new DataDescriptor_32(); |
| 159 | process_sp->ReadMemory (data_location, m_data_32, sizeof(DataDescriptor_32), error); |
| 160 | } |
| 161 | else |
| 162 | { |
| 163 | m_data_64 = new DataDescriptor_64(); |
| 164 | process_sp->ReadMemory (data_location, m_data_64, sizeof(DataDescriptor_64), error); |
| 165 | } |
| 166 | if (error.Fail()) |
| 167 | return false; |
| 168 | return false; |
| 169 | } |
| 170 | |
| 171 | bool |
| 172 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::MightHaveChildren () |
| 173 | { |
| 174 | return true; |
| 175 | } |
| 176 | |
| 177 | size_t |
| 178 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 179 | { |
| 180 | if (!m_data_32 && !m_data_64) |
| 181 | return UINT32_MAX; |
| 182 | const char* item_name = name.GetCString(); |
| 183 | uint32_t idx = ExtractIndexFromString(item_name); |
| 184 | if (idx < UINT32_MAX && idx >= CalculateNumChildren()) |
| 185 | return UINT32_MAX; |
| 186 | return idx; |
| 187 | } |
| 188 | |
| 189 | lldb_private::formatters::NSArrayMSyntheticFrontEnd::~NSArrayMSyntheticFrontEnd () |
| 190 | { |
| 191 | delete m_data_32; |
| 192 | m_data_32 = NULL; |
| 193 | delete m_data_64; |
| 194 | m_data_64 = NULL; |
| 195 | } |
| 196 | |
| 197 | lldb_private::formatters::NSArrayISyntheticFrontEnd::NSArrayISyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 198 | SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| 199 | m_exe_ctx_ref(), |
| 200 | m_ptr_size(8), |
| 201 | m_items(0), |
| 202 | m_data_ptr(0) |
| 203 | { |
| 204 | if (valobj_sp) |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 205 | m_id_type = ClangASTType(valobj_sp->GetClangAST(),valobj_sp->GetClangAST()->ObjCBuiltinIdTy.getAsOpaquePtr()); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | lldb_private::formatters::NSArrayISyntheticFrontEnd::~NSArrayISyntheticFrontEnd () |
| 209 | { |
| 210 | } |
| 211 | |
| 212 | size_t |
| 213 | lldb_private::formatters::NSArrayISyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 214 | { |
| 215 | const char* item_name = name.GetCString(); |
| 216 | uint32_t idx = ExtractIndexFromString(item_name); |
| 217 | if (idx < UINT32_MAX && idx >= CalculateNumChildren()) |
| 218 | return UINT32_MAX; |
| 219 | return idx; |
| 220 | } |
| 221 | |
| 222 | size_t |
| 223 | lldb_private::formatters::NSArrayISyntheticFrontEnd::CalculateNumChildren () |
| 224 | { |
| 225 | return m_items; |
| 226 | } |
| 227 | |
| 228 | bool |
| 229 | lldb_private::formatters::NSArrayISyntheticFrontEnd::Update() |
| 230 | { |
| 231 | m_ptr_size = 0; |
| 232 | m_items = 0; |
| 233 | m_data_ptr = 0; |
| 234 | m_children.clear(); |
| 235 | ValueObjectSP valobj_sp = m_backend.GetSP(); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 236 | if (!valobj_sp) |
| 237 | return false; |
| 238 | m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); |
| 239 | Error error; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 240 | error.Clear(); |
| 241 | lldb::ProcessSP process_sp(valobj_sp->GetProcessSP()); |
| 242 | if (!process_sp) |
| 243 | return false; |
| 244 | m_ptr_size = process_sp->GetAddressByteSize(); |
Enrico Granata | fe26a23 | 2013-04-23 01:13:50 +0000 | [diff] [blame] | 245 | uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 246 | m_items = process_sp->ReadPointerFromMemory(data_location, error); |
| 247 | if (error.Fail()) |
| 248 | return false; |
| 249 | m_data_ptr = data_location+m_ptr_size; |
| 250 | return false; |
| 251 | } |
| 252 | |
| 253 | bool |
| 254 | lldb_private::formatters::NSArrayISyntheticFrontEnd::MightHaveChildren () |
| 255 | { |
| 256 | return true; |
| 257 | } |
| 258 | |
| 259 | lldb::ValueObjectSP |
| 260 | lldb_private::formatters::NSArrayISyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 261 | { |
| 262 | if (idx >= CalculateNumChildren()) |
| 263 | return lldb::ValueObjectSP(); |
| 264 | lldb::addr_t object_at_idx = m_data_ptr; |
| 265 | object_at_idx += (idx * m_ptr_size); |
| 266 | ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP(); |
| 267 | if (!process_sp) |
| 268 | return lldb::ValueObjectSP(); |
| 269 | Error error; |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 270 | if (error.Fail()) |
| 271 | return lldb::ValueObjectSP(); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 272 | StreamString idx_name; |
| 273 | idx_name.Printf("[%zu]",idx); |
Enrico Granata | cfeaa43 | 2013-04-04 01:12:12 +0000 | [diff] [blame] | 274 | lldb::ValueObjectSP retval_sp = ValueObject::CreateValueObjectFromAddress(idx_name.GetData(), object_at_idx, m_exe_ctx_ref, m_id_type); |
Enrico Granata | ea68753 | 2013-02-15 23:38:37 +0000 | [diff] [blame] | 275 | m_children.push_back(retval_sp); |
| 276 | return retval_sp; |
| 277 | } |
| 278 | |
| 279 | SyntheticChildrenFrontEnd* lldb_private::formatters::NSArraySyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) |
| 280 | { |
| 281 | lldb::ProcessSP process_sp (valobj_sp->GetProcessSP()); |
| 282 | if (!process_sp) |
| 283 | return NULL; |
| 284 | ObjCLanguageRuntime *runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 285 | if (!runtime) |
| 286 | return NULL; |
| 287 | |
| 288 | if (!valobj_sp->IsPointerType()) |
| 289 | { |
| 290 | Error error; |
| 291 | valobj_sp = valobj_sp->AddressOf(error); |
| 292 | if (error.Fail() || !valobj_sp) |
| 293 | return NULL; |
| 294 | } |
| 295 | |
| 296 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(*valobj_sp.get())); |
| 297 | |
| 298 | if (!descriptor.get() || !descriptor->IsValid()) |
| 299 | return NULL; |
| 300 | |
| 301 | const char* class_name = descriptor->GetClassName().GetCString(); |
| 302 | |
| 303 | if (!class_name || !*class_name) |
| 304 | return NULL; |
| 305 | |
| 306 | if (!strcmp(class_name,"__NSArrayI")) |
| 307 | { |
| 308 | return (new NSArrayISyntheticFrontEnd(valobj_sp)); |
| 309 | } |
| 310 | else if (!strcmp(class_name,"__NSArrayM")) |
| 311 | { |
| 312 | return (new NSArrayMSyntheticFrontEnd(valobj_sp)); |
| 313 | } |
| 314 | else |
| 315 | { |
| 316 | return (new NSArrayCodeRunningSyntheticFrontEnd(valobj_sp)); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::NSArrayCodeRunningSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : |
| 321 | SyntheticChildrenFrontEnd(*valobj_sp.get()) |
| 322 | {} |
| 323 | |
| 324 | size_t |
| 325 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::CalculateNumChildren () |
| 326 | { |
| 327 | uint64_t count = 0; |
| 328 | if (ExtractValueFromObjCExpression(m_backend, "int", "count", count)) |
| 329 | return count; |
| 330 | return 0; |
| 331 | } |
| 332 | |
| 333 | lldb::ValueObjectSP |
| 334 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| 335 | { |
| 336 | StreamString idx_name; |
| 337 | idx_name.Printf("[%zu]",idx); |
| 338 | lldb::ValueObjectSP valobj_sp = CallSelectorOnObject(m_backend,"id","objectAtIndex:",idx); |
| 339 | if (valobj_sp) |
| 340 | valobj_sp->SetName(ConstString(idx_name.GetData())); |
| 341 | return valobj_sp; |
| 342 | } |
| 343 | |
| 344 | bool |
| 345 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::Update() |
| 346 | { |
| 347 | return false; |
| 348 | } |
| 349 | |
| 350 | bool |
| 351 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::MightHaveChildren () |
| 352 | { |
| 353 | return true; |
| 354 | } |
| 355 | |
| 356 | size_t |
| 357 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| 358 | { |
| 359 | return 0; |
| 360 | } |
| 361 | |
| 362 | lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::~NSArrayCodeRunningSyntheticFrontEnd () |
| 363 | {} |