Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame^] | 1 | //===-- SearchFilter.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 | |
| 10 | // C Includes |
| 11 | // C++ Includes |
| 12 | // Other libraries and framework includes |
| 13 | // Project includes |
| 14 | |
| 15 | #include "lldb/lldb-private.h" |
| 16 | #include "lldb/Core/SearchFilter.h" |
| 17 | #include "lldb/Target/Target.h" |
| 18 | |
| 19 | using namespace lldb; |
| 20 | using namespace lldb_private; |
| 21 | |
| 22 | //---------------------------------------------------------------------- |
| 23 | // SearchFilter constructor |
| 24 | //---------------------------------------------------------------------- |
| 25 | Searcher::Searcher () |
| 26 | { |
| 27 | |
| 28 | } |
| 29 | |
| 30 | Searcher::~Searcher () |
| 31 | { |
| 32 | |
| 33 | } |
| 34 | |
| 35 | void |
| 36 | Searcher::GetDescription (Stream *s) |
| 37 | { |
| 38 | } |
| 39 | |
| 40 | //---------------------------------------------------------------------- |
| 41 | // SearchFilter constructor |
| 42 | //---------------------------------------------------------------------- |
| 43 | SearchFilter::SearchFilter(lldb::TargetSP &target_sp) : |
| 44 | m_target_sp (target_sp) |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | //---------------------------------------------------------------------- |
| 49 | // SearchFilter copy constructor |
| 50 | //---------------------------------------------------------------------- |
| 51 | SearchFilter::SearchFilter(const SearchFilter& rhs) : |
| 52 | m_target_sp (rhs.m_target_sp) |
| 53 | { |
| 54 | } |
| 55 | |
| 56 | //---------------------------------------------------------------------- |
| 57 | // SearchFilter assignment operator |
| 58 | //---------------------------------------------------------------------- |
| 59 | const SearchFilter& |
| 60 | SearchFilter::operator=(const SearchFilter& rhs) |
| 61 | { |
| 62 | m_target_sp = rhs.m_target_sp; |
| 63 | return *this; |
| 64 | } |
| 65 | |
| 66 | //---------------------------------------------------------------------- |
| 67 | // Destructor |
| 68 | //---------------------------------------------------------------------- |
| 69 | SearchFilter::~SearchFilter() |
| 70 | { |
| 71 | } |
| 72 | |
| 73 | bool |
| 74 | SearchFilter::ModulePasses (const FileSpec &spec) |
| 75 | { |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | bool |
| 80 | SearchFilter::ModulePasses (const ModuleSP &module_sp) |
| 81 | { |
| 82 | return true; |
| 83 | } |
| 84 | |
| 85 | bool |
| 86 | SearchFilter::SymbolContextPasses |
| 87 | ( |
| 88 | const SymbolContext &context, |
| 89 | lldb::SymbolContextItem scope |
| 90 | ) |
| 91 | { |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | bool |
| 96 | SearchFilter::AddressPasses (Address &address) |
| 97 | { |
| 98 | return true; |
| 99 | } |
| 100 | |
| 101 | bool |
| 102 | SearchFilter::CompUnitPasses (FileSpec &fileSpec) |
| 103 | { |
| 104 | return true; |
| 105 | } |
| 106 | |
| 107 | bool |
| 108 | SearchFilter::CompUnitPasses (CompileUnit &compUnit) |
| 109 | { |
| 110 | return true; |
| 111 | } |
| 112 | |
| 113 | void |
| 114 | SearchFilter::GetDescription (Stream *s) |
| 115 | { |
| 116 | s->PutCString("No Filter"); |
| 117 | } |
| 118 | |
| 119 | void |
| 120 | SearchFilter::Dump (Stream *s) const |
| 121 | { |
| 122 | |
| 123 | } |
| 124 | |
| 125 | //---------------------------------------------------------------------- |
| 126 | // UTILITY Functions to help iterate down through the elements of the |
| 127 | // SymbolContext. |
| 128 | //---------------------------------------------------------------------- |
| 129 | |
| 130 | void |
| 131 | SearchFilter::Search (Searcher &searcher) |
| 132 | { |
| 133 | SymbolContext empty_sc; |
| 134 | |
| 135 | if (m_target_sp == NULL) |
| 136 | return; |
| 137 | empty_sc.target_sp = m_target_sp; |
| 138 | |
| 139 | if (searcher.GetDepth() == Searcher::eDepthTarget) |
| 140 | searcher.SearchCallback (*this, empty_sc, NULL, false); |
| 141 | else |
| 142 | DoModuleIteration(empty_sc, searcher); |
| 143 | } |
| 144 | |
| 145 | void |
| 146 | SearchFilter::SearchInModuleList (Searcher &searcher, ModuleList &modules) |
| 147 | { |
| 148 | SymbolContext empty_sc; |
| 149 | |
| 150 | if (m_target_sp == NULL) |
| 151 | return; |
| 152 | empty_sc.target_sp = m_target_sp; |
| 153 | |
| 154 | if (searcher.GetDepth() == Searcher::eDepthTarget) |
| 155 | searcher.SearchCallback (*this, empty_sc, NULL, false); |
| 156 | else |
| 157 | { |
| 158 | size_t numModules = modules.GetSize(); |
| 159 | |
| 160 | for (int i = 0; i < numModules; i++) |
| 161 | { |
| 162 | ModuleSP module_sp(modules.GetModuleAtIndex(i)); |
| 163 | if (ModulePasses(module_sp)) |
| 164 | { |
| 165 | if (DoModuleIteration(module_sp, searcher) == Searcher::eCallbackReturnStop) |
| 166 | return; |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | |
| 173 | Searcher::CallbackReturn |
| 174 | SearchFilter::DoModuleIteration (const lldb::ModuleSP& module_sp, Searcher &searcher) |
| 175 | { |
| 176 | SymbolContext matchingContext (m_target_sp, module_sp); |
| 177 | return DoModuleIteration(matchingContext, searcher); |
| 178 | } |
| 179 | |
| 180 | Searcher::CallbackReturn |
| 181 | SearchFilter::DoModuleIteration (const SymbolContext &context, Searcher &searcher) |
| 182 | { |
| 183 | Searcher::CallbackReturn shouldContinue; |
| 184 | |
| 185 | if (searcher.GetDepth () >= Searcher::eDepthModule) |
| 186 | { |
| 187 | if (!context.module_sp) |
| 188 | { |
| 189 | size_t n_modules = m_target_sp->GetImages().GetSize(); |
| 190 | for (int i = 0; i < n_modules; i++) |
| 191 | { |
| 192 | // If this is the last level supplied, then call the callback directly, |
| 193 | // otherwise descend. |
| 194 | ModuleSP module_sp(m_target_sp->GetImages().GetModuleAtIndex(i)); |
| 195 | if (!ModulePasses (module_sp)) |
| 196 | continue; |
| 197 | |
| 198 | if (searcher.GetDepth () == Searcher::eDepthModule) |
| 199 | { |
| 200 | SymbolContext matchingContext(m_target_sp, module_sp); |
| 201 | |
| 202 | shouldContinue = searcher.SearchCallback (*this, matchingContext, NULL, false); |
| 203 | if (shouldContinue == Searcher::eCallbackReturnStop |
| 204 | || shouldContinue == Searcher::eCallbackReturnPop) |
| 205 | return shouldContinue; |
| 206 | } |
| 207 | else |
| 208 | { |
| 209 | shouldContinue = DoCUIteration(module_sp, context, searcher); |
| 210 | if (shouldContinue == Searcher::eCallbackReturnStop) |
| 211 | return shouldContinue; |
| 212 | else if (shouldContinue == Searcher::eCallbackReturnPop) |
| 213 | continue; |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | else |
| 218 | { |
| 219 | if (searcher.GetDepth () == Searcher::eDepthModule) |
| 220 | { |
| 221 | SymbolContext matchingContext(context.module_sp.get()); |
| 222 | |
| 223 | shouldContinue = searcher.SearchCallback (*this, matchingContext, NULL, false); |
| 224 | } |
| 225 | else |
| 226 | { |
| 227 | return DoCUIteration(context.module_sp, context, searcher); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | } |
| 232 | return Searcher::eCallbackReturnContinue; |
| 233 | } |
| 234 | |
| 235 | Searcher::CallbackReturn |
| 236 | SearchFilter::DoCUIteration (const ModuleSP &module_sp, const SymbolContext &context, Searcher &searcher) |
| 237 | { |
| 238 | Searcher::CallbackReturn shouldContinue; |
| 239 | if (context.comp_unit == NULL) |
| 240 | { |
| 241 | uint32_t num_comp_units = module_sp->GetNumCompileUnits(); |
| 242 | for (uint32_t i = 0; i < num_comp_units; i++) |
| 243 | { |
| 244 | CompUnitSP cu_sp (module_sp->GetCompileUnitAtIndex (i)); |
| 245 | if (!CompUnitPasses (*(cu_sp.get()))) |
| 246 | continue; |
| 247 | |
| 248 | if (searcher.GetDepth () == Searcher::eDepthCompUnit) |
| 249 | { |
| 250 | SymbolContext matchingContext(m_target_sp, module_sp, cu_sp.get()); |
| 251 | |
| 252 | shouldContinue = searcher.SearchCallback (*this, matchingContext, NULL, false); |
| 253 | |
| 254 | if (shouldContinue == Searcher::eCallbackReturnPop) |
| 255 | return Searcher::eCallbackReturnContinue; |
| 256 | else if (shouldContinue == Searcher::eCallbackReturnStop) |
| 257 | return shouldContinue; |
| 258 | } |
| 259 | else |
| 260 | { |
| 261 | // FIXME Descend to block. |
| 262 | } |
| 263 | |
| 264 | } |
| 265 | } |
| 266 | else |
| 267 | { |
| 268 | if (CompUnitPasses(*context.comp_unit)) |
| 269 | { |
| 270 | SymbolContext matchingContext (m_target_sp, module_sp, context.comp_unit); |
| 271 | return searcher.SearchCallback (*this, matchingContext, NULL, false); |
| 272 | } |
| 273 | } |
| 274 | return Searcher::eCallbackReturnContinue; |
| 275 | } |
| 276 | |
| 277 | Searcher::CallbackReturn |
| 278 | SearchFilter::DoFunctionIteration (Function *function, const SymbolContext &context, Searcher &searcher) |
| 279 | { |
| 280 | // FIXME: Implement... |
| 281 | return Searcher::eCallbackReturnContinue; |
| 282 | } |
| 283 | |
| 284 | //---------------------------------------------------------------------- |
| 285 | // SearchFilterByModule: |
| 286 | // Selects a shared library matching a given file spec |
| 287 | //---------------------------------------------------------------------- |
| 288 | |
| 289 | //---------------------------------------------------------------------- |
| 290 | // SearchFilterByModule constructors |
| 291 | //---------------------------------------------------------------------- |
| 292 | |
| 293 | SearchFilterByModule::SearchFilterByModule (lldb::TargetSP &target_sp, const FileSpec &module) : |
| 294 | SearchFilter (target_sp), |
| 295 | m_module_spec (module) |
| 296 | { |
| 297 | } |
| 298 | |
| 299 | |
| 300 | //---------------------------------------------------------------------- |
| 301 | // SearchFilterByModule copy constructor |
| 302 | //---------------------------------------------------------------------- |
| 303 | SearchFilterByModule::SearchFilterByModule(const SearchFilterByModule& rhs) : |
| 304 | SearchFilter (rhs), |
| 305 | m_module_spec (rhs.m_module_spec) |
| 306 | { |
| 307 | } |
| 308 | |
| 309 | //---------------------------------------------------------------------- |
| 310 | // SearchFilterByModule assignment operator |
| 311 | //---------------------------------------------------------------------- |
| 312 | const SearchFilterByModule& |
| 313 | SearchFilterByModule::operator=(const SearchFilterByModule& rhs) |
| 314 | { |
| 315 | m_target_sp = rhs.m_target_sp; |
| 316 | m_module_spec = rhs.m_module_spec; |
| 317 | return *this; |
| 318 | } |
| 319 | |
| 320 | //---------------------------------------------------------------------- |
| 321 | // Destructor |
| 322 | //---------------------------------------------------------------------- |
| 323 | SearchFilterByModule::~SearchFilterByModule() |
| 324 | { |
| 325 | } |
| 326 | |
| 327 | bool |
| 328 | SearchFilterByModule::ModulePasses (const ModuleSP &module_sp) |
| 329 | { |
| 330 | if (module_sp && FileSpec::Compare (module_sp->GetFileSpec(), m_module_spec, false) == 0) |
| 331 | return true; |
| 332 | else |
| 333 | return false; |
| 334 | } |
| 335 | |
| 336 | bool |
| 337 | SearchFilterByModule::ModulePasses (const FileSpec &spec) |
| 338 | { |
| 339 | if (FileSpec::Compare(spec, m_module_spec, false) == 0) |
| 340 | return true; |
| 341 | else |
| 342 | return false; |
| 343 | } |
| 344 | |
| 345 | bool |
| 346 | SearchFilterByModule::SymbolContextPasses |
| 347 | ( |
| 348 | const SymbolContext &context, |
| 349 | lldb::SymbolContextItem scope |
| 350 | ) |
| 351 | { |
| 352 | if (!(scope & eSymbolContextModule)) |
| 353 | return false; |
| 354 | |
| 355 | if (context.module_sp && FileSpec::Compare (context.module_sp->GetFileSpec(), m_module_spec, false) == 0) |
| 356 | return true; |
| 357 | else |
| 358 | return false; |
| 359 | } |
| 360 | |
| 361 | bool |
| 362 | SearchFilterByModule::AddressPasses (Address &address) |
| 363 | { |
| 364 | // FIXME: Not yet implemented |
| 365 | return true; |
| 366 | } |
| 367 | |
| 368 | |
| 369 | bool |
| 370 | SearchFilterByModule::CompUnitPasses (FileSpec &fileSpec) |
| 371 | { |
| 372 | return true; |
| 373 | } |
| 374 | |
| 375 | bool |
| 376 | SearchFilterByModule::CompUnitPasses (CompileUnit &compUnit) |
| 377 | { |
| 378 | return true; |
| 379 | } |
| 380 | |
| 381 | void |
| 382 | SearchFilterByModule::Search (Searcher &searcher) |
| 383 | { |
| 384 | if (!m_target_sp) |
| 385 | return; |
| 386 | |
| 387 | if (searcher.GetDepth() == Searcher::eDepthTarget) |
| 388 | { |
| 389 | SymbolContext empty_sc; |
| 390 | empty_sc.target_sp = m_target_sp; |
| 391 | searcher.SearchCallback (*this, empty_sc, NULL, false); |
| 392 | } |
| 393 | |
| 394 | // If the module file spec is a full path, then we can just find the one |
| 395 | // filespec that passes. Otherwise, we need to go through all modules and |
| 396 | // find the ones that match the file name. |
| 397 | |
| 398 | ModuleList matching_modules; |
| 399 | // const size_t num_matching_modules = m_target_sp->GetImages().FindModules(&m_module_spec, NULL, NULL, NULL, matching_modules); |
| 400 | for (int i = 0; i < m_target_sp->GetImages().GetSize (); i++) |
| 401 | { |
| 402 | Module* module = m_target_sp->GetImages().GetModulePointerAtIndex(i); |
| 403 | if (FileSpec::Compare (m_module_spec, module->GetFileSpec(), false) == 0) |
| 404 | { |
| 405 | SymbolContext matchingContext(m_target_sp, module->GetSP()); |
| 406 | Searcher::CallbackReturn shouldContinue; |
| 407 | |
| 408 | shouldContinue = DoModuleIteration(matchingContext, searcher); |
| 409 | if (shouldContinue == Searcher::eCallbackReturnStop) |
| 410 | return; |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | void |
| 416 | SearchFilterByModule::GetDescription (Stream *s) |
| 417 | { |
| 418 | s->PutCString("In module "); |
| 419 | if (s->GetVerbose()) |
| 420 | { |
| 421 | char buffer[2048]; |
| 422 | m_module_spec.GetPath(buffer, 2047); |
| 423 | s->PutCString(buffer); |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | s->PutCString(m_module_spec.GetFilename().AsCString("<unknown>")); |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | void |
| 432 | SearchFilterByModule::Dump (Stream *s) const |
| 433 | { |
| 434 | |
| 435 | } |