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ClangExpressionDeclMap.cpp
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1 //===-- ClangExpressionDeclMap.cpp -----------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
10 
11 #include "ASTDumper.h"
12 #include "ClangASTSource.h"
13 #include "ClangModulesDeclVendor.h"
15 
16 #include "lldb/Core/Address.h"
17 #include "lldb/Core/Module.h"
18 #include "lldb/Core/ModuleSpec.h"
26 #include "lldb/Symbol/Function.h"
27 #include "lldb/Symbol/ObjectFile.h"
29 #include "lldb/Symbol/SymbolFile.h"
31 #include "lldb/Symbol/Type.h"
32 #include "lldb/Symbol/TypeList.h"
33 #include "lldb/Symbol/Variable.h"
38 #include "lldb/Target/Process.h"
40 #include "lldb/Target/StackFrame.h"
41 #include "lldb/Target/Target.h"
42 #include "lldb/Target/Thread.h"
43 #include "lldb/Utility/Endian.h"
44 #include "lldb/Utility/Log.h"
46 #include "lldb/Utility/Status.h"
47 #include "lldb/lldb-private.h"
48 #include "clang/AST/ASTConsumer.h"
49 #include "clang/AST/ASTContext.h"
50 #include "clang/AST/ASTImporter.h"
51 #include "clang/AST/Decl.h"
52 #include "clang/AST/DeclarationName.h"
53 #include "clang/AST/RecursiveASTVisitor.h"
54 
56 
57 using namespace lldb;
58 using namespace lldb_private;
59 using namespace clang;
60 
61 namespace {
62 const char *g_lldb_local_vars_namespace_cstr = "$__lldb_local_vars";
63 } // anonymous namespace
64 
65 ClangExpressionDeclMap::ClangExpressionDeclMap(
66  bool keep_result_in_memory,
68  ExecutionContext &exe_ctx, ValueObject *ctx_obj)
69  : ClangASTSource(exe_ctx.GetTargetSP()), m_found_entities(),
70  m_struct_members(), m_keep_result_in_memory(keep_result_in_memory),
71  m_result_delegate(result_delegate), m_ctx_obj(ctx_obj), m_parser_vars(),
72  m_struct_vars() {
73  EnableStructVars();
74 }
75 
77  // Note: The model is now that the parser's AST context and all associated
78  // data does not vanish until the expression has been executed. This means
79  // that valuable lookup data (like namespaces) doesn't vanish, but
80 
81  DidParse();
82  DisableStructVars();
83 }
84 
86  Materializer *materializer) {
88 
89  EnableParserVars();
90  m_parser_vars->m_exe_ctx = exe_ctx;
91 
92  Target *target = exe_ctx.GetTargetPtr();
93  if (exe_ctx.GetFramePtr())
94  m_parser_vars->m_sym_ctx =
95  exe_ctx.GetFramePtr()->GetSymbolContext(lldb::eSymbolContextEverything);
96  else if (exe_ctx.GetThreadPtr() &&
97  exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0))
98  m_parser_vars->m_sym_ctx =
99  exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0)->GetSymbolContext(
100  lldb::eSymbolContextEverything);
101  else if (exe_ctx.GetProcessPtr()) {
102  m_parser_vars->m_sym_ctx.Clear(true);
103  m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP();
104  } else if (target) {
105  m_parser_vars->m_sym_ctx.Clear(true);
106  m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP();
107  }
108 
109  if (target) {
110  m_parser_vars->m_persistent_vars = llvm::cast<ClangPersistentVariables>(
112 
113  if (!target->GetScratchClangASTContext())
114  return false;
115  }
116 
117  m_parser_vars->m_target_info = GetTargetInfo();
118  m_parser_vars->m_materializer = materializer;
119 
120  return true;
121 }
122 
124  clang::ASTConsumer *code_gen) {
125  assert(m_parser_vars);
126  m_parser_vars->m_code_gen = code_gen;
127 }
128 
131 
132  if (log)
134 
135  if (m_parser_vars) {
136  for (size_t entity_index = 0, num_entities = m_found_entities.GetSize();
137  entity_index < num_entities; ++entity_index) {
138  ExpressionVariableSP var_sp(
139  m_found_entities.GetVariableAtIndex(entity_index));
140  if (var_sp)
141  llvm::cast<ClangExpressionVariable>(var_sp.get())
142  ->DisableParserVars(GetParserID());
143  }
144 
145  for (size_t pvar_index = 0,
146  num_pvars = m_parser_vars->m_persistent_vars->GetSize();
147  pvar_index < num_pvars; ++pvar_index) {
148  ExpressionVariableSP pvar_sp(
149  m_parser_vars->m_persistent_vars->GetVariableAtIndex(pvar_index));
150  if (ClangExpressionVariable *clang_var =
151  llvm::dyn_cast<ClangExpressionVariable>(pvar_sp.get()))
152  clang_var->DisableParserVars(GetParserID());
153  }
154 
155  DisableParserVars();
156  }
157 }
158 
159 // Interface for IRForTarget
160 
162  assert(m_parser_vars.get());
163 
164  TargetInfo ret;
165 
166  ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
167 
168  Process *process = exe_ctx.GetProcessPtr();
169  if (process) {
170  ret.byte_order = process->GetByteOrder();
171  ret.address_byte_size = process->GetAddressByteSize();
172  } else {
173  Target *target = exe_ctx.GetTargetPtr();
174  if (target) {
175  ret.byte_order = target->GetArchitecture().GetByteOrder();
176  ret.address_byte_size = target->GetArchitecture().GetAddressByteSize();
177  }
178  }
179 
180  return ret;
181 }
182 
183 namespace {
184 /// This class walks an AST and ensures that all DeclContexts defined inside the
185 /// current source file are properly complete.
186 ///
187 /// This is used to ensure that persistent types defined in the current source
188 /// file migrate completely to the persistent AST context before they are
189 /// reused. If that didn't happen, it would be impoossible to complete them
190 /// because their origin would be gone.
191 ///
192 /// The stragtegy used by this class is to check the SourceLocation (to be
193 /// specific, the FileID) and see if it's the FileID for the current expression.
194 /// Alternate strategies could include checking whether an ExternalASTMerger,
195 /// set up to not have the current context as a source, can find an original for
196 /// the type.
197 class Completer : public clang::RecursiveASTVisitor<Completer> {
198 private:
199  clang::ASTImporter &m_exporter; /// Used to import Decl contents
200  clang::FileID m_file; /// The file that's going away
201  llvm::DenseSet<clang::Decl *> m_completed; /// Visited Decls, to avoid cycles
202 
203  bool ImportAndCheckCompletable(clang::Decl *decl) {
204  (void)m_exporter.Import(decl);
205  if (m_completed.count(decl))
206  return false;
207  if (!llvm::isa<DeclContext>(decl))
208  return false;
209  const clang::SourceLocation loc = decl->getLocation();
210  if (!loc.isValid())
211  return false;
212  const clang::FileID file =
213  m_exporter.getFromContext().getSourceManager().getFileID(loc);
214  if (file != m_file)
215  return false;
216  // We are assuming the Decl was parsed in this very expression, so it
217  // should not have external storage.
218  lldbassert(!llvm::cast<DeclContext>(decl)->hasExternalLexicalStorage());
219  return true;
220  }
221 
222  void Complete(clang::Decl *decl) {
223  m_completed.insert(decl);
224  auto *decl_context = llvm::cast<DeclContext>(decl);
225  (void)m_exporter.Import(decl);
226  m_exporter.CompleteDecl(decl);
227  for (Decl *child : decl_context->decls())
228  if (ImportAndCheckCompletable(child))
229  Complete(child);
230  }
231 
232  void MaybeComplete(clang::Decl *decl) {
233  if (ImportAndCheckCompletable(decl))
234  Complete(decl);
235  }
236 
237 public:
238  Completer(clang::ASTImporter &exporter, clang::FileID file)
239  : m_exporter(exporter), m_file(file) {}
240 
241  // Implements the RecursiveASTVisitor's core API. It is called on each Decl
242  // that the RecursiveASTVisitor encounters, and returns true if the traversal
243  // should continue.
244  bool VisitDecl(clang::Decl *decl) {
245  MaybeComplete(decl);
246  return true;
247  }
248 };
249 }
250 
251 static void CompleteAllDeclContexts(clang::ASTImporter &exporter,
252  clang::FileID file,
253  clang::QualType root) {
254  clang::QualType canonical_type = root.getCanonicalType();
255  if (clang::TagDecl *tag_decl = canonical_type->getAsTagDecl()) {
256  Completer(exporter, file).TraverseDecl(tag_decl);
257  } else if (auto interface_type = llvm::dyn_cast<ObjCInterfaceType>(
258  canonical_type.getTypePtr())) {
259  Completer(exporter, file).TraverseDecl(interface_type->getDecl());
260  } else {
261  Completer(exporter, file).TraverseType(canonical_type);
262  }
263 }
264 
265 static clang::QualType ExportAllDeclaredTypes(
266  clang::ExternalASTMerger &merger,
267  clang::ASTContext &source, clang::FileManager &source_file_manager,
268  const clang::ExternalASTMerger::OriginMap &source_origin_map,
269  clang::FileID file, clang::QualType root) {
270  clang::ExternalASTMerger::ImporterSource importer_source =
271  { source, source_file_manager, source_origin_map };
272  merger.AddSources(importer_source);
273  clang::ASTImporter &exporter = merger.ImporterForOrigin(source);
274  CompleteAllDeclContexts(exporter, file, root);
275  clang::QualType ret = exporter.Import(root);
276  merger.RemoveSources(importer_source);
277  return ret;
278 }
279 
280 TypeFromUser ClangExpressionDeclMap::DeportType(ClangASTContext &target,
281  ClangASTContext &source,
282  TypeFromParser parser_type) {
283  assert (&target == m_target->GetScratchClangASTContext());
284  assert ((TypeSystem*)&source == parser_type.GetTypeSystem());
285  assert (source.getASTContext() == m_ast_context);
286 
287  if (m_ast_importer_sp) {
288  return TypeFromUser(m_ast_importer_sp->DeportType(
289  target.getASTContext(), source.getASTContext(),
290  parser_type.GetOpaqueQualType()),
291  &target);
292  } else if (m_merger_up) {
293  clang::FileID source_file =
294  source.getASTContext()->getSourceManager().getFileID(
295  source.getASTContext()->getTranslationUnitDecl()->getLocation());
296  auto scratch_ast_context = static_cast<ClangASTContextForExpressions*>(
297  m_target->GetScratchClangASTContext());
298  clang::QualType exported_type = ExportAllDeclaredTypes(
299  scratch_ast_context->GetMergerUnchecked(),
300  *source.getASTContext(), *source.getFileManager(),
301  m_merger_up->GetOrigins(),
302  source_file,
303  clang::QualType::getFromOpaquePtr(parser_type.GetOpaqueQualType()));
304  return TypeFromUser(exported_type.getAsOpaquePtr(), &target);
305  } else {
306  lldbassert(0 && "No mechanism for deporting a type!");
307  return TypeFromUser();
308  }
309 }
310 
312  ConstString name,
313  TypeFromParser parser_type,
314  bool is_result,
315  bool is_lvalue) {
316  assert(m_parser_vars.get());
317 
318  ClangASTContext *ast =
319  llvm::dyn_cast_or_null<ClangASTContext>(parser_type.GetTypeSystem());
320  if (ast == nullptr)
321  return false;
322 
323  if (m_parser_vars->m_materializer && is_result) {
324  Status err;
325 
326  ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
327  Target *target = exe_ctx.GetTargetPtr();
328  if (target == nullptr)
329  return false;
330 
331  TypeFromUser user_type =
332  DeportType(*target->GetScratchClangASTContext(), *ast, parser_type);
333 
334  uint32_t offset = m_parser_vars->m_materializer->AddResultVariable(
335  user_type, is_lvalue, m_keep_result_in_memory, m_result_delegate, err);
336 
338  exe_ctx.GetBestExecutionContextScope(), name, user_type,
339  m_parser_vars->m_target_info.byte_order,
340  m_parser_vars->m_target_info.address_byte_size);
341 
342  m_found_entities.AddNewlyConstructedVariable(var);
343 
344  var->EnableParserVars(GetParserID());
345 
347  var->GetParserVars(GetParserID());
348 
349  parser_vars->m_named_decl = decl;
350  parser_vars->m_parser_type = parser_type;
351 
352  var->EnableJITVars(GetParserID());
353 
354  ClangExpressionVariable::JITVars *jit_vars = var->GetJITVars(GetParserID());
355 
356  jit_vars->m_offset = offset;
357 
358  return true;
359  }
360 
362  ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
363  Target *target = exe_ctx.GetTargetPtr();
364  if (target == NULL)
365  return false;
366 
367  ClangASTContext *context(target->GetScratchClangASTContext());
368 
369  TypeFromUser user_type = DeportType(*context, *ast, parser_type);
370 
371  if (!user_type.GetOpaqueQualType()) {
372  if (log)
373  log->Printf("Persistent variable's type wasn't copied successfully");
374  return false;
375  }
376 
377  if (!m_parser_vars->m_target_info.IsValid())
378  return false;
379 
380  ClangExpressionVariable *var = llvm::cast<ClangExpressionVariable>(
381  m_parser_vars->m_persistent_vars
382  ->CreatePersistentVariable(
383  exe_ctx.GetBestExecutionContextScope(), name, user_type,
384  m_parser_vars->m_target_info.byte_order,
385  m_parser_vars->m_target_info.address_byte_size)
386  .get());
387 
388  if (!var)
389  return false;
390 
391  var->m_frozen_sp->SetHasCompleteType();
392 
393  if (is_result)
395  else
396  var->m_flags |=
397  ClangExpressionVariable::EVKeepInTarget; // explicitly-declared
398  // persistent variables should
399  // persist
400 
401  if (is_lvalue) {
403  } else {
406  }
407 
408  if (m_keep_result_in_memory) {
410  }
411 
412  if (log)
413  log->Printf("Created persistent variable with flags 0x%hx", var->m_flags);
414 
415  var->EnableParserVars(GetParserID());
416 
418  var->GetParserVars(GetParserID());
419 
420  parser_vars->m_named_decl = decl;
421  parser_vars->m_parser_type = parser_type;
422 
423  return true;
424 }
425 
426 bool ClangExpressionDeclMap::AddValueToStruct(const NamedDecl *decl,
427  ConstString name,
428  llvm::Value *value, size_t size,
429  lldb::offset_t alignment) {
430  assert(m_struct_vars.get());
431  assert(m_parser_vars.get());
432 
433  bool is_persistent_variable = false;
434 
436 
437  m_struct_vars->m_struct_laid_out = false;
438 
439  if (ClangExpressionVariable::FindVariableInList(m_struct_members, decl,
440  GetParserID()))
441  return true;
442 
444  m_found_entities, decl, GetParserID()));
445 
446  if (!var) {
448  *m_parser_vars->m_persistent_vars, decl, GetParserID());
449  is_persistent_variable = true;
450  }
451 
452  if (!var)
453  return false;
454 
455  if (log)
456  log->Printf("Adding value for (NamedDecl*)%p [%s - %s] to the structure",
457  static_cast<const void *>(decl), name.GetCString(),
458  var->GetName().GetCString());
459 
460  // We know entity->m_parser_vars is valid because we used a parser variable
461  // to find it
462 
464  llvm::cast<ClangExpressionVariable>(var)->GetParserVars(GetParserID());
465 
466  parser_vars->m_llvm_value = value;
467 
468  if (ClangExpressionVariable::JITVars *jit_vars =
469  llvm::cast<ClangExpressionVariable>(var)->GetJITVars(GetParserID())) {
470  // We already laid this out; do not touch
471 
472  if (log)
473  log->Printf("Already placed at 0x%llx",
474  (unsigned long long)jit_vars->m_offset);
475  }
476 
477  llvm::cast<ClangExpressionVariable>(var)->EnableJITVars(GetParserID());
478 
480  llvm::cast<ClangExpressionVariable>(var)->GetJITVars(GetParserID());
481 
482  jit_vars->m_alignment = alignment;
483  jit_vars->m_size = size;
484 
485  m_struct_members.AddVariable(var->shared_from_this());
486 
487  if (m_parser_vars->m_materializer) {
488  uint32_t offset = 0;
489 
490  Status err;
491 
492  if (is_persistent_variable) {
493  ExpressionVariableSP var_sp(var->shared_from_this());
494  offset = m_parser_vars->m_materializer->AddPersistentVariable(
495  var_sp, nullptr, err);
496  } else {
497  if (const lldb_private::Symbol *sym = parser_vars->m_lldb_sym)
498  offset = m_parser_vars->m_materializer->AddSymbol(*sym, err);
499  else if (const RegisterInfo *reg_info = var->GetRegisterInfo())
500  offset = m_parser_vars->m_materializer->AddRegister(*reg_info, err);
501  else if (parser_vars->m_lldb_var)
502  offset = m_parser_vars->m_materializer->AddVariable(
503  parser_vars->m_lldb_var, err);
504  }
505 
506  if (!err.Success())
507  return false;
508 
509  if (log)
510  log->Printf("Placed at 0x%llx", (unsigned long long)offset);
511 
512  jit_vars->m_offset =
513  offset; // TODO DoStructLayout() should not change this.
514  }
515 
516  return true;
517 }
518 
520  assert(m_struct_vars.get());
521 
522  if (m_struct_vars->m_struct_laid_out)
523  return true;
524 
525  if (!m_parser_vars->m_materializer)
526  return false;
527 
528  m_struct_vars->m_struct_alignment =
529  m_parser_vars->m_materializer->GetStructAlignment();
530  m_struct_vars->m_struct_size =
531  m_parser_vars->m_materializer->GetStructByteSize();
532  m_struct_vars->m_struct_laid_out = true;
533  return true;
534 }
535 
536 bool ClangExpressionDeclMap::GetStructInfo(uint32_t &num_elements, size_t &size,
537  lldb::offset_t &alignment) {
538  assert(m_struct_vars.get());
539 
540  if (!m_struct_vars->m_struct_laid_out)
541  return false;
542 
543  num_elements = m_struct_members.GetSize();
544  size = m_struct_vars->m_struct_size;
545  alignment = m_struct_vars->m_struct_alignment;
546 
547  return true;
548 }
549 
550 bool ClangExpressionDeclMap::GetStructElement(const NamedDecl *&decl,
551  llvm::Value *&value,
552  lldb::offset_t &offset,
553  ConstString &name,
554  uint32_t index) {
555  assert(m_struct_vars.get());
556 
557  if (!m_struct_vars->m_struct_laid_out)
558  return false;
559 
560  if (index >= m_struct_members.GetSize())
561  return false;
562 
563  ExpressionVariableSP member_sp(m_struct_members.GetVariableAtIndex(index));
564 
565  if (!member_sp)
566  return false;
567 
569  llvm::cast<ClangExpressionVariable>(member_sp.get())
570  ->GetParserVars(GetParserID());
572  llvm::cast<ClangExpressionVariable>(member_sp.get())
573  ->GetJITVars(GetParserID());
574 
575  if (!parser_vars || !jit_vars || !member_sp->GetValueObject())
576  return false;
577 
578  decl = parser_vars->m_named_decl;
579  value = parser_vars->m_llvm_value;
580  offset = jit_vars->m_offset;
581  name = member_sp->GetName();
582 
583  return true;
584 }
585 
586 bool ClangExpressionDeclMap::GetFunctionInfo(const NamedDecl *decl,
587  uint64_t &ptr) {
589  m_found_entities, decl, GetParserID()));
590 
591  if (!entity)
592  return false;
593 
594  // We know m_parser_vars is valid since we searched for the variable by its
595  // NamedDecl
596 
598  entity->GetParserVars(GetParserID());
599 
600  ptr = parser_vars->m_lldb_value.GetScalar().ULongLong();
601 
602  return true;
603 }
604 
606  Process *process,
607  ConstString name,
608  lldb::SymbolType symbol_type,
609  lldb_private::Module *module) {
610  SymbolContextList sc_list;
611 
612  if (module)
613  module->FindSymbolsWithNameAndType(name, symbol_type, sc_list);
614  else
615  target.GetImages().FindSymbolsWithNameAndType(name, symbol_type, sc_list);
616 
617  const uint32_t num_matches = sc_list.GetSize();
618  addr_t symbol_load_addr = LLDB_INVALID_ADDRESS;
619 
620  for (uint32_t i = 0;
621  i < num_matches &&
622  (symbol_load_addr == 0 || symbol_load_addr == LLDB_INVALID_ADDRESS);
623  i++) {
624  SymbolContext sym_ctx;
625  sc_list.GetContextAtIndex(i, sym_ctx);
626 
627  const Address sym_address = sym_ctx.symbol->GetAddress();
628 
629  if (!sym_address.IsValid())
630  continue;
631 
632  switch (sym_ctx.symbol->GetType()) {
633  case eSymbolTypeCode:
635  symbol_load_addr = sym_address.GetCallableLoadAddress(&target);
636  break;
637 
638  case eSymbolTypeResolver:
639  symbol_load_addr = sym_address.GetCallableLoadAddress(&target, true);
640  break;
641 
642  case eSymbolTypeReExported: {
643  ConstString reexport_name = sym_ctx.symbol->GetReExportedSymbolName();
644  if (reexport_name) {
645  ModuleSP reexport_module_sp;
646  ModuleSpec reexport_module_spec;
647  reexport_module_spec.GetPlatformFileSpec() =
649  if (reexport_module_spec.GetPlatformFileSpec()) {
650  reexport_module_sp =
651  target.GetImages().FindFirstModule(reexport_module_spec);
652  if (!reexport_module_sp) {
653  reexport_module_spec.GetPlatformFileSpec().GetDirectory().Clear();
654  reexport_module_sp =
655  target.GetImages().FindFirstModule(reexport_module_spec);
656  }
657  }
658  symbol_load_addr = GetSymbolAddress(
659  target, process, sym_ctx.symbol->GetReExportedSymbolName(),
660  symbol_type, reexport_module_sp.get());
661  }
662  } break;
663 
664  case eSymbolTypeData:
665  case eSymbolTypeRuntime:
666  case eSymbolTypeVariable:
667  case eSymbolTypeLocal:
668  case eSymbolTypeParam:
669  case eSymbolTypeInvalid:
670  case eSymbolTypeAbsolute:
676  case eSymbolTypeBlock:
681  case eSymbolTypeScopeEnd:
683  case eSymbolTypeCompiler:
688  case eSymbolTypeObjCIVar:
689  symbol_load_addr = sym_address.GetLoadAddress(&target);
690  break;
691  }
692  }
693 
694  if (symbol_load_addr == LLDB_INVALID_ADDRESS && process) {
695  ObjCLanguageRuntime *runtime = process->GetObjCLanguageRuntime();
696 
697  if (runtime) {
698  symbol_load_addr = runtime->LookupRuntimeSymbol(name);
699  }
700  }
701 
702  return symbol_load_addr;
703 }
704 
706  lldb::SymbolType symbol_type) {
707  assert(m_parser_vars.get());
708 
709  if (!m_parser_vars->m_exe_ctx.GetTargetPtr())
710  return false;
711 
712  return GetSymbolAddress(m_parser_vars->m_exe_ctx.GetTargetRef(),
713  m_parser_vars->m_exe_ctx.GetProcessPtr(), name,
714  symbol_type);
715 }
716 
717 lldb::VariableSP ClangExpressionDeclMap::FindGlobalVariable(
718  Target &target, ModuleSP &module, ConstString name,
719  CompilerDeclContext *namespace_decl, TypeFromUser *type) {
720  VariableList vars;
721 
722  if (module && namespace_decl)
723  module->FindGlobalVariables(name, namespace_decl, -1, vars);
724  else
725  target.GetImages().FindGlobalVariables(name, -1, vars);
726 
727  if (vars.GetSize()) {
728  if (type) {
729  for (size_t i = 0; i < vars.GetSize(); ++i) {
730  VariableSP var_sp = vars.GetVariableAtIndex(i);
731 
733  *type, var_sp->GetType()->GetFullCompilerType()))
734  return var_sp;
735  }
736  } else {
737  return vars.GetVariableAtIndex(0);
738  }
739  }
740 
741  return VariableSP();
742 }
743 
744 ClangASTContext *ClangExpressionDeclMap::GetClangASTContext() {
745  StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr();
746  if (frame == nullptr)
747  return nullptr;
748 
749  SymbolContext sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction |
750  lldb::eSymbolContextBlock);
751  if (sym_ctx.block == nullptr)
752  return nullptr;
753 
754  CompilerDeclContext frame_decl_context = sym_ctx.block->GetDeclContext();
755  if (!frame_decl_context)
756  return nullptr;
757 
758  return llvm::dyn_cast_or_null<ClangASTContext>(
759  frame_decl_context.GetTypeSystem());
760 }
761 
762 // Interface for ClangASTSource
763 
765  NameSearchContext &context) {
766  assert(m_ast_context);
767 
769 
770  const ConstString name(context.m_decl_name.getAsString().c_str());
771 
773 
774  if (GetImportInProgress()) {
775  if (log && log->GetVerbose())
776  log->Printf("Ignoring a query during an import");
777  return;
778  }
779 
780  static unsigned int invocation_id = 0;
781  unsigned int current_id = invocation_id++;
782 
783  if (log) {
784  if (!context.m_decl_context)
785  log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for "
786  "'%s' in a NULL DeclContext",
787  current_id, name.GetCString());
788  else if (const NamedDecl *context_named_decl =
789  dyn_cast<NamedDecl>(context.m_decl_context))
790  log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for "
791  "'%s' in '%s'",
792  current_id, name.GetCString(),
793  context_named_decl->getNameAsString().c_str());
794  else
795  log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for "
796  "'%s' in a '%s'",
797  current_id, name.GetCString(),
798  context.m_decl_context->getDeclKindName());
799  }
800 
801  if (const NamespaceDecl *namespace_context =
802  dyn_cast<NamespaceDecl>(context.m_decl_context)) {
803  if (namespace_context->getName().str() ==
804  std::string(g_lldb_local_vars_namespace_cstr)) {
805  CompilerDeclContext compiler_decl_ctx(
806  GetClangASTContext(), const_cast<void *>(static_cast<const void *>(
807  context.m_decl_context)));
808  FindExternalVisibleDecls(context, lldb::ModuleSP(), compiler_decl_ctx,
809  current_id);
810  return;
811  }
812 
813  ClangASTImporter::NamespaceMapSP namespace_map =
815  ? m_ast_importer_sp->GetNamespaceMap(namespace_context)
817 
818  if (!namespace_map)
819  return;
820 
821  if (log && log->GetVerbose())
822  log->Printf(" CEDM::FEVD[%u] Inspecting (NamespaceMap*)%p (%d entries)",
823  current_id, static_cast<void *>(namespace_map.get()),
824  (int)namespace_map->size());
825 
826  for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(),
827  e = namespace_map->end();
828  i != e; ++i) {
829  if (log)
830  log->Printf(" CEDM::FEVD[%u] Searching namespace %s in module %s",
831  current_id, i->second.GetName().AsCString(),
832  i->first->GetFileSpec().GetFilename().GetCString());
833 
834  FindExternalVisibleDecls(context, i->first, i->second, current_id);
835  }
836  } else if (isa<TranslationUnitDecl>(context.m_decl_context)) {
837  CompilerDeclContext namespace_decl;
838 
839  if (log)
840  log->Printf(" CEDM::FEVD[%u] Searching the root namespace", current_id);
841 
842  FindExternalVisibleDecls(context, lldb::ModuleSP(), namespace_decl,
843  current_id);
844  }
845 
847 }
848 
850  NameSearchContext &context, lldb::ModuleSP module_sp,
851  CompilerDeclContext &namespace_decl, unsigned int current_id) {
852  assert(m_ast_context);
853 
854  std::function<void(clang::FunctionDecl *)> MaybeRegisterFunctionBody =
855  [this](clang::FunctionDecl *copied_function_decl) {
856  if (copied_function_decl->getBody() && m_parser_vars->m_code_gen) {
857  DeclGroupRef decl_group_ref(copied_function_decl);
858  m_parser_vars->m_code_gen->HandleTopLevelDecl(decl_group_ref);
859  }
860  };
861 
863 
864  SymbolContextList sc_list;
865 
866  const ConstString name(context.m_decl_name.getAsString().c_str());
867  if (IgnoreName(name, false))
868  return;
869 
870  // Only look for functions by name out in our symbols if the function doesn't
871  // start with our phony prefix of '$'
872  Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
873  StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr();
874  SymbolContext sym_ctx;
875  if (frame != nullptr)
876  sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction |
877  lldb::eSymbolContextBlock);
878 
879  // Try the persistent decls, which take precedence over all else.
880  if (!namespace_decl) {
881  do {
882  if (!target)
883  break;
884 
885  ClangASTContext *scratch_clang_ast_context =
886  target->GetScratchClangASTContext();
887 
888  if (!scratch_clang_ast_context)
889  break;
890 
891  ASTContext *scratch_ast_context =
892  scratch_clang_ast_context->getASTContext();
893 
894  if (!scratch_ast_context)
895  break;
896 
897  NamedDecl *persistent_decl =
898  m_parser_vars->m_persistent_vars->GetPersistentDecl(name);
899 
900  if (!persistent_decl)
901  break;
902 
903  Decl *parser_persistent_decl = CopyDecl(persistent_decl);
904 
905  if (!parser_persistent_decl)
906  break;
907 
908  NamedDecl *parser_named_decl =
909  dyn_cast<NamedDecl>(parser_persistent_decl);
910 
911  if (!parser_named_decl)
912  break;
913 
914  if (clang::FunctionDecl *parser_function_decl =
915  llvm::dyn_cast<clang::FunctionDecl>(parser_named_decl)) {
916  MaybeRegisterFunctionBody(parser_function_decl);
917  }
918 
919  if (log)
920  log->Printf(" CEDM::FEVD[%u] Found persistent decl %s", current_id,
921  name.GetCString());
922 
923  context.AddNamedDecl(parser_named_decl);
924  } while (0);
925  }
926 
927  if (name.GetCString()[0] == '$' && !namespace_decl) {
928  static ConstString g_lldb_class_name("$__lldb_class");
929 
930  if (name == g_lldb_class_name) {
931  if (m_ctx_obj) {
932  Status status;
933  lldb::ValueObjectSP ctx_obj_ptr = m_ctx_obj->AddressOf(status);
934  if (!ctx_obj_ptr || status.Fail())
935  return;
936 
937  AddThisType(context, TypeFromUser(m_ctx_obj->GetCompilerType()),
938  current_id);
939 
940  m_struct_vars->m_object_pointer_type =
941  TypeFromUser(ctx_obj_ptr->GetCompilerType());
942 
943  return;
944  }
945 
946  // Clang is looking for the type of "this"
947 
948  if (frame == NULL)
949  return;
950 
951  // Find the block that defines the function represented by "sym_ctx"
952  Block *function_block = sym_ctx.GetFunctionBlock();
953 
954  if (!function_block)
955  return;
956 
957  CompilerDeclContext function_decl_ctx = function_block->GetDeclContext();
958 
959  if (!function_decl_ctx)
960  return;
961 
962  clang::CXXMethodDecl *method_decl =
964 
965  if (method_decl) {
966  clang::CXXRecordDecl *class_decl = method_decl->getParent();
967 
968  QualType class_qual_type(class_decl->getTypeForDecl(), 0);
969 
970  TypeFromUser class_user_type(
971  class_qual_type.getAsOpaquePtr(),
972  ClangASTContext::GetASTContext(&class_decl->getASTContext()));
973 
974  if (log) {
975  ASTDumper ast_dumper(class_qual_type);
976  log->Printf(" CEDM::FEVD[%u] Adding type for $__lldb_class: %s",
977  current_id, ast_dumper.GetCString());
978  }
979 
980  AddThisType(context, class_user_type, current_id);
981 
982  if (method_decl->isInstance()) {
983  // self is a pointer to the object
984 
985  QualType class_pointer_type =
986  method_decl->getASTContext().getPointerType(class_qual_type);
987 
988  TypeFromUser self_user_type(
989  class_pointer_type.getAsOpaquePtr(),
990  ClangASTContext::GetASTContext(&method_decl->getASTContext()));
991 
992  m_struct_vars->m_object_pointer_type = self_user_type;
993  }
994  } else {
995  // This branch will get hit if we are executing code in the context of
996  // a function that claims to have an object pointer (through
997  // DW_AT_object_pointer?) but is not formally a method of the class.
998  // In that case, just look up the "this" variable in the current scope
999  // and use its type.
1000  // FIXME: This code is formally correct, but clang doesn't currently
1001  // emit DW_AT_object_pointer
1002  // for C++ so it hasn't actually been tested.
1003 
1004  VariableList *vars = frame->GetVariableList(false);
1005 
1006  lldb::VariableSP this_var = vars->FindVariable(ConstString("this"));
1007 
1008  if (this_var && this_var->IsInScope(frame) &&
1009  this_var->LocationIsValidForFrame(frame)) {
1010  Type *this_type = this_var->GetType();
1011 
1012  if (!this_type)
1013  return;
1014 
1015  TypeFromUser pointee_type =
1016  this_type->GetForwardCompilerType().GetPointeeType();
1017 
1018  if (pointee_type.IsValid()) {
1019  if (log) {
1020  ASTDumper ast_dumper(pointee_type);
1021  log->Printf(" FEVD[%u] Adding type for $__lldb_class: %s",
1022  current_id, ast_dumper.GetCString());
1023  }
1024 
1025  AddThisType(context, pointee_type, current_id);
1026  TypeFromUser this_user_type(this_type->GetFullCompilerType());
1027  m_struct_vars->m_object_pointer_type = this_user_type;
1028  return;
1029  }
1030  }
1031  }
1032 
1033  return;
1034  }
1035 
1036  static ConstString g_lldb_objc_class_name("$__lldb_objc_class");
1037  if (name == g_lldb_objc_class_name) {
1038  if (m_ctx_obj) {
1039  Status status;
1040  lldb::ValueObjectSP ctx_obj_ptr = m_ctx_obj->AddressOf(status);
1041  if (!ctx_obj_ptr || status.Fail())
1042  return;
1043 
1044  AddOneType(context, TypeFromUser(m_ctx_obj->GetCompilerType()),
1045  current_id);
1046 
1047  m_struct_vars->m_object_pointer_type =
1048  TypeFromUser(ctx_obj_ptr->GetCompilerType());
1049 
1050  return;
1051  }
1052 
1053  // Clang is looking for the type of "*self"
1054 
1055  if (!frame)
1056  return;
1057 
1058  SymbolContext sym_ctx = frame->GetSymbolContext(
1059  lldb::eSymbolContextFunction | lldb::eSymbolContextBlock);
1060 
1061  // Find the block that defines the function represented by "sym_ctx"
1062  Block *function_block = sym_ctx.GetFunctionBlock();
1063 
1064  if (!function_block)
1065  return;
1066 
1067  CompilerDeclContext function_decl_ctx = function_block->GetDeclContext();
1068 
1069  if (!function_decl_ctx)
1070  return;
1071 
1072  clang::ObjCMethodDecl *method_decl =
1074 
1075  if (method_decl) {
1076  ObjCInterfaceDecl *self_interface = method_decl->getClassInterface();
1077 
1078  if (!self_interface)
1079  return;
1080 
1081  const clang::Type *interface_type = self_interface->getTypeForDecl();
1082 
1083  if (!interface_type)
1084  return; // This is unlikely, but we have seen crashes where this
1085  // occurred
1086 
1087  TypeFromUser class_user_type(
1088  QualType(interface_type, 0).getAsOpaquePtr(),
1089  ClangASTContext::GetASTContext(&method_decl->getASTContext()));
1090 
1091  if (log) {
1092  ASTDumper ast_dumper(interface_type);
1093  log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s",
1094  current_id, ast_dumper.GetCString());
1095  }
1096 
1097  AddOneType(context, class_user_type, current_id);
1098 
1099  if (method_decl->isInstanceMethod()) {
1100  // self is a pointer to the object
1101 
1102  QualType class_pointer_type =
1103  method_decl->getASTContext().getObjCObjectPointerType(
1104  QualType(interface_type, 0));
1105 
1106  TypeFromUser self_user_type(
1107  class_pointer_type.getAsOpaquePtr(),
1108  ClangASTContext::GetASTContext(&method_decl->getASTContext()));
1109 
1110  m_struct_vars->m_object_pointer_type = self_user_type;
1111  } else {
1112  // self is a Class pointer
1113  QualType class_type = method_decl->getASTContext().getObjCClassType();
1114 
1115  TypeFromUser self_user_type(
1116  class_type.getAsOpaquePtr(),
1117  ClangASTContext::GetASTContext(&method_decl->getASTContext()));
1118 
1119  m_struct_vars->m_object_pointer_type = self_user_type;
1120  }
1121 
1122  return;
1123  } else {
1124  // This branch will get hit if we are executing code in the context of
1125  // a function that claims to have an object pointer (through
1126  // DW_AT_object_pointer?) but is not formally a method of the class.
1127  // In that case, just look up the "self" variable in the current scope
1128  // and use its type.
1129 
1130  VariableList *vars = frame->GetVariableList(false);
1131 
1132  lldb::VariableSP self_var = vars->FindVariable(ConstString("self"));
1133 
1134  if (self_var && self_var->IsInScope(frame) &&
1135  self_var->LocationIsValidForFrame(frame)) {
1136  Type *self_type = self_var->GetType();
1137 
1138  if (!self_type)
1139  return;
1140 
1141  CompilerType self_clang_type = self_type->GetFullCompilerType();
1142 
1143  if (ClangASTContext::IsObjCClassType(self_clang_type)) {
1144  return;
1146  self_clang_type)) {
1147  self_clang_type = self_clang_type.GetPointeeType();
1148 
1149  if (!self_clang_type)
1150  return;
1151 
1152  if (log) {
1153  ASTDumper ast_dumper(self_type->GetFullCompilerType());
1154  log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s",
1155  current_id, ast_dumper.GetCString());
1156  }
1157 
1158  TypeFromUser class_user_type(self_clang_type);
1159 
1160  AddOneType(context, class_user_type, current_id);
1161 
1162  TypeFromUser self_user_type(self_type->GetFullCompilerType());
1163 
1164  m_struct_vars->m_object_pointer_type = self_user_type;
1165  return;
1166  }
1167  }
1168  }
1169 
1170  return;
1171  }
1172 
1173  if (name == ConstString(g_lldb_local_vars_namespace_cstr)) {
1174  CompilerDeclContext frame_decl_context =
1175  sym_ctx.block != nullptr ? sym_ctx.block->GetDeclContext()
1176  : CompilerDeclContext();
1177 
1178  if (frame_decl_context) {
1179  ClangASTContext *ast = llvm::dyn_cast_or_null<ClangASTContext>(
1180  frame_decl_context.GetTypeSystem());
1181 
1182  if (ast) {
1183  clang::NamespaceDecl *namespace_decl =
1185  m_ast_context, name.GetCString(), nullptr);
1186  if (namespace_decl) {
1187  context.AddNamedDecl(namespace_decl);
1188  clang::DeclContext *clang_decl_ctx =
1189  clang::Decl::castToDeclContext(namespace_decl);
1190  clang_decl_ctx->setHasExternalVisibleStorage(true);
1191  context.m_found.local_vars_nsp = true;
1192  }
1193  }
1194  }
1195 
1196  return;
1197  }
1198 
1199  // any other $__lldb names should be weeded out now
1200  if (name.GetStringRef().startswith("$__lldb"))
1201  return;
1202 
1203  ExpressionVariableSP pvar_sp(
1204  m_parser_vars->m_persistent_vars->GetVariable(name));
1205 
1206  if (pvar_sp) {
1207  AddOneVariable(context, pvar_sp, current_id);
1208  return;
1209  }
1210 
1211  const char *reg_name(&name.GetCString()[1]);
1212 
1213  if (m_parser_vars->m_exe_ctx.GetRegisterContext()) {
1214  const RegisterInfo *reg_info(
1215  m_parser_vars->m_exe_ctx.GetRegisterContext()->GetRegisterInfoByName(
1216  reg_name));
1217 
1218  if (reg_info) {
1219  if (log)
1220  log->Printf(" CEDM::FEVD[%u] Found register %s", current_id,
1221  reg_info->name);
1222 
1223  AddOneRegister(context, reg_info, current_id);
1224  }
1225  }
1226  } else {
1227  ValueObjectSP valobj;
1228  VariableSP var;
1229 
1230  bool local_var_lookup =
1231  !namespace_decl || (namespace_decl.GetName() ==
1232  ConstString(g_lldb_local_vars_namespace_cstr));
1233  if (frame && local_var_lookup) {
1234  CompilerDeclContext compiler_decl_context =
1235  sym_ctx.block != nullptr ? sym_ctx.block->GetDeclContext()
1236  : CompilerDeclContext();
1237 
1238  if (compiler_decl_context) {
1239  // Make sure that the variables are parsed so that we have the
1240  // declarations.
1241  VariableListSP vars = frame->GetInScopeVariableList(true);
1242  for (size_t i = 0; i < vars->GetSize(); i++)
1243  vars->GetVariableAtIndex(i)->GetDecl();
1244 
1245  // Search for declarations matching the name. Do not include imported
1246  // decls in the search if we are looking for decls in the artificial
1247  // namespace $__lldb_local_vars.
1248  std::vector<CompilerDecl> found_decls =
1249  compiler_decl_context.FindDeclByName(name,
1250  namespace_decl.IsValid());
1251 
1252  bool variable_found = false;
1253  for (CompilerDecl decl : found_decls) {
1254  for (size_t vi = 0, ve = vars->GetSize(); vi != ve; ++vi) {
1255  VariableSP candidate_var = vars->GetVariableAtIndex(vi);
1256  if (candidate_var->GetDecl() == decl) {
1257  var = candidate_var;
1258  break;
1259  }
1260  }
1261 
1262  if (var && !variable_found) {
1263  variable_found = true;
1264  valobj = ValueObjectVariable::Create(frame, var);
1265  AddOneVariable(context, var, valobj, current_id);
1266  context.m_found.variable = true;
1267  }
1268  }
1269  if (variable_found)
1270  return;
1271  }
1272  }
1273  if (target) {
1274  var = FindGlobalVariable(*target, module_sp, name, &namespace_decl, NULL);
1275 
1276  if (var) {
1277  valobj = ValueObjectVariable::Create(target, var);
1278  AddOneVariable(context, var, valobj, current_id);
1279  context.m_found.variable = true;
1280  return;
1281  }
1282  }
1283 
1284  std::vector<clang::NamedDecl *> decls_from_modules;
1285 
1286  if (target) {
1287  if (ClangModulesDeclVendor *decl_vendor =
1288  target->GetClangModulesDeclVendor()) {
1289  decl_vendor->FindDecls(name, false, UINT32_MAX, decls_from_modules);
1290  }
1291  }
1292 
1293  const bool include_inlines = false;
1294  const bool append = false;
1295 
1296  if (namespace_decl && module_sp) {
1297  const bool include_symbols = false;
1298 
1299  module_sp->FindFunctions(name, &namespace_decl, eFunctionNameTypeBase,
1300  include_symbols, include_inlines, append,
1301  sc_list);
1302  } else if (target && !namespace_decl) {
1303  const bool include_symbols = true;
1304 
1305  // TODO Fix FindFunctions so that it doesn't return
1306  // instance methods for eFunctionNameTypeBase.
1307 
1308  target->GetImages().FindFunctions(name, eFunctionNameTypeFull,
1309  include_symbols, include_inlines,
1310  append, sc_list);
1311  }
1312 
1313  // If we found more than one function, see if we can use the frame's decl
1314  // context to remove functions that are shadowed by other functions which
1315  // match in type but are nearer in scope.
1316  //
1317  // AddOneFunction will not add a function whose type has already been
1318  // added, so if there's another function in the list with a matching type,
1319  // check to see if their decl context is a parent of the current frame's or
1320  // was imported via a and using statement, and pick the best match
1321  // according to lookup rules.
1322  if (sc_list.GetSize() > 1) {
1323  // Collect some info about our frame's context.
1324  StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr();
1325  SymbolContext frame_sym_ctx;
1326  if (frame != nullptr)
1327  frame_sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction |
1328  lldb::eSymbolContextBlock);
1329  CompilerDeclContext frame_decl_context =
1330  frame_sym_ctx.block != nullptr ? frame_sym_ctx.block->GetDeclContext()
1331  : CompilerDeclContext();
1332 
1333  // We can't do this without a compiler decl context for our frame.
1334  if (frame_decl_context) {
1335  clang::DeclContext *frame_decl_ctx =
1336  (clang::DeclContext *)frame_decl_context.GetOpaqueDeclContext();
1337  ClangASTContext *ast = llvm::dyn_cast_or_null<ClangASTContext>(
1338  frame_decl_context.GetTypeSystem());
1339 
1340  // Structure to hold the info needed when comparing function
1341  // declarations.
1342  struct FuncDeclInfo {
1343  ConstString m_name;
1344  CompilerType m_copied_type;
1345  uint32_t m_decl_lvl;
1346  SymbolContext m_sym_ctx;
1347  };
1348 
1349  // First, symplify things by looping through the symbol contexts to
1350  // remove unwanted functions and separate out the functions we want to
1351  // compare and prune into a separate list. Cache the info needed about
1352  // the function declarations in a vector for efficiency.
1353  SymbolContextList sc_sym_list;
1354  uint32_t num_indices = sc_list.GetSize();
1355  std::vector<FuncDeclInfo> fdi_cache;
1356  fdi_cache.reserve(num_indices);
1357  for (uint32_t index = 0; index < num_indices; ++index) {
1358  FuncDeclInfo fdi;
1359  SymbolContext sym_ctx;
1360  sc_list.GetContextAtIndex(index, sym_ctx);
1361 
1362  // We don't know enough about symbols to compare them, but we should
1363  // keep them in the list.
1364  Function *function = sym_ctx.function;
1365  if (!function) {
1366  sc_sym_list.Append(sym_ctx);
1367  continue;
1368  }
1369  // Filter out functions without declaration contexts, as well as
1370  // class/instance methods, since they'll be skipped in the code that
1371  // follows anyway.
1372  CompilerDeclContext func_decl_context = function->GetDeclContext();
1373  if (!func_decl_context ||
1374  func_decl_context.IsClassMethod(nullptr, nullptr, nullptr))
1375  continue;
1376  // We can only prune functions for which we can copy the type.
1377  CompilerType func_clang_type =
1378  function->GetType()->GetFullCompilerType();
1379  CompilerType copied_func_type = GuardedCopyType(func_clang_type);
1380  if (!copied_func_type) {
1381  sc_sym_list.Append(sym_ctx);
1382  continue;
1383  }
1384 
1385  fdi.m_sym_ctx = sym_ctx;
1386  fdi.m_name = function->GetName();
1387  fdi.m_copied_type = copied_func_type;
1388  fdi.m_decl_lvl = LLDB_INVALID_DECL_LEVEL;
1389  if (fdi.m_copied_type && func_decl_context) {
1390  // Call CountDeclLevels to get the number of parent scopes we have
1391  // to look through before we find the function declaration. When
1392  // comparing functions of the same type, the one with a lower count
1393  // will be closer to us in the lookup scope and shadows the other.
1394  clang::DeclContext *func_decl_ctx =
1395  (clang::DeclContext *)func_decl_context.GetOpaqueDeclContext();
1396  fdi.m_decl_lvl = ast->CountDeclLevels(
1397  frame_decl_ctx, func_decl_ctx, &fdi.m_name, &fdi.m_copied_type);
1398  }
1399  fdi_cache.emplace_back(fdi);
1400  }
1401 
1402  // Loop through the functions in our cache looking for matching types,
1403  // then compare their scope levels to see which is closer.
1404  std::multimap<CompilerType, const FuncDeclInfo *> matches;
1405  for (const FuncDeclInfo &fdi : fdi_cache) {
1406  const CompilerType t = fdi.m_copied_type;
1407  auto q = matches.find(t);
1408  if (q != matches.end()) {
1409  if (q->second->m_decl_lvl > fdi.m_decl_lvl)
1410  // This function is closer; remove the old set.
1411  matches.erase(t);
1412  else if (q->second->m_decl_lvl < fdi.m_decl_lvl)
1413  // The functions in our set are closer - skip this one.
1414  continue;
1415  }
1416  matches.insert(std::make_pair(t, &fdi));
1417  }
1418 
1419  // Loop through our matches and add their symbol contexts to our list.
1420  SymbolContextList sc_func_list;
1421  for (const auto &q : matches)
1422  sc_func_list.Append(q.second->m_sym_ctx);
1423 
1424  // Rejoin the lists with the functions in front.
1425  sc_list = sc_func_list;
1426  sc_list.Append(sc_sym_list);
1427  }
1428  }
1429 
1430  if (sc_list.GetSize()) {
1431  Symbol *extern_symbol = NULL;
1432  Symbol *non_extern_symbol = NULL;
1433 
1434  for (uint32_t index = 0, num_indices = sc_list.GetSize();
1435  index < num_indices; ++index) {
1436  SymbolContext sym_ctx;
1437  sc_list.GetContextAtIndex(index, sym_ctx);
1438 
1439  if (sym_ctx.function) {
1440  CompilerDeclContext decl_ctx = sym_ctx.function->GetDeclContext();
1441 
1442  if (!decl_ctx)
1443  continue;
1444 
1445  // Filter out class/instance methods.
1446  if (decl_ctx.IsClassMethod(nullptr, nullptr, nullptr))
1447  continue;
1448 
1449  AddOneFunction(context, sym_ctx.function, NULL, current_id);
1450  context.m_found.function_with_type_info = true;
1451  context.m_found.function = true;
1452  } else if (sym_ctx.symbol) {
1453  if (sym_ctx.symbol->GetType() == eSymbolTypeReExported && target) {
1454  sym_ctx.symbol = sym_ctx.symbol->ResolveReExportedSymbol(*target);
1455  if (sym_ctx.symbol == NULL)
1456  continue;
1457  }
1458 
1459  if (sym_ctx.symbol->IsExternal())
1460  extern_symbol = sym_ctx.symbol;
1461  else
1462  non_extern_symbol = sym_ctx.symbol;
1463  }
1464  }
1465 
1466  if (!context.m_found.function_with_type_info) {
1467  for (clang::NamedDecl *decl : decls_from_modules) {
1468  if (llvm::isa<clang::FunctionDecl>(decl)) {
1469  clang::NamedDecl *copied_decl =
1470  llvm::cast_or_null<FunctionDecl>(CopyDecl(decl));
1471  if (copied_decl) {
1472  context.AddNamedDecl(copied_decl);
1473  context.m_found.function_with_type_info = true;
1474  }
1475  }
1476  }
1477  }
1478 
1479  if (!context.m_found.function_with_type_info) {
1480  if (extern_symbol) {
1481  AddOneFunction(context, NULL, extern_symbol, current_id);
1482  context.m_found.function = true;
1483  } else if (non_extern_symbol) {
1484  AddOneFunction(context, NULL, non_extern_symbol, current_id);
1485  context.m_found.function = true;
1486  }
1487  }
1488  }
1489 
1490  if (!context.m_found.function_with_type_info) {
1491  // Try the modules next.
1492 
1493  do {
1494  if (ClangModulesDeclVendor *modules_decl_vendor =
1495  m_target->GetClangModulesDeclVendor()) {
1496  bool append = false;
1497  uint32_t max_matches = 1;
1498  std::vector<clang::NamedDecl *> decls;
1499 
1500  if (!modules_decl_vendor->FindDecls(name, append, max_matches, decls))
1501  break;
1502 
1503  clang::NamedDecl *const decl_from_modules = decls[0];
1504 
1505  if (llvm::isa<clang::FunctionDecl>(decl_from_modules)) {
1506  if (log) {
1507  log->Printf(" CAS::FEVD[%u] Matching function found for "
1508  "\"%s\" in the modules",
1509  current_id, name.GetCString());
1510  }
1511 
1512  clang::Decl *copied_decl = CopyDecl(decl_from_modules);
1513  clang::FunctionDecl *copied_function_decl =
1514  copied_decl ? dyn_cast<clang::FunctionDecl>(copied_decl)
1515  : nullptr;
1516 
1517  if (!copied_function_decl) {
1518  if (log)
1519  log->Printf(" CAS::FEVD[%u] - Couldn't export a function "
1520  "declaration from the modules",
1521  current_id);
1522 
1523  break;
1524  }
1525 
1526  MaybeRegisterFunctionBody(copied_function_decl);
1527 
1528  context.AddNamedDecl(copied_function_decl);
1529 
1530  context.m_found.function_with_type_info = true;
1531  context.m_found.function = true;
1532  } else if (llvm::isa<clang::VarDecl>(decl_from_modules)) {
1533  if (log) {
1534  log->Printf(" CAS::FEVD[%u] Matching variable found for "
1535  "\"%s\" in the modules",
1536  current_id, name.GetCString());
1537  }
1538 
1539  clang::Decl *copied_decl = CopyDecl(decl_from_modules);
1540  clang::VarDecl *copied_var_decl =
1541  copied_decl ? dyn_cast_or_null<clang::VarDecl>(copied_decl)
1542  : nullptr;
1543 
1544  if (!copied_var_decl) {
1545  if (log)
1546  log->Printf(" CAS::FEVD[%u] - Couldn't export a variable "
1547  "declaration from the modules",
1548  current_id);
1549 
1550  break;
1551  }
1552 
1553  context.AddNamedDecl(copied_var_decl);
1554 
1555  context.m_found.variable = true;
1556  }
1557  }
1558  } while (0);
1559  }
1560 
1561  if (target && !context.m_found.variable && !namespace_decl) {
1562  // We couldn't find a non-symbol variable for this. Now we'll hunt for a
1563  // generic data symbol, and -- if it is found -- treat it as a variable.
1564  Status error;
1565 
1566  const Symbol *data_symbol =
1567  m_parser_vars->m_sym_ctx.FindBestGlobalDataSymbol(name, error);
1568 
1569  if (!error.Success()) {
1570  const unsigned diag_id =
1571  m_ast_context->getDiagnostics().getCustomDiagID(
1573  m_ast_context->getDiagnostics().Report(diag_id) << error.AsCString();
1574  }
1575 
1576  if (data_symbol) {
1577  std::string warning("got name from symbols: ");
1578  warning.append(name.AsCString());
1579  const unsigned diag_id =
1580  m_ast_context->getDiagnostics().getCustomDiagID(
1581  clang::DiagnosticsEngine::Level::Warning, "%0");
1582  m_ast_context->getDiagnostics().Report(diag_id) << warning.c_str();
1583  AddOneGenericVariable(context, *data_symbol, current_id);
1584  context.m_found.variable = true;
1585  }
1586  }
1587  }
1588 }
1589 
1590 bool ClangExpressionDeclMap::GetVariableValue(VariableSP &var,
1591  lldb_private::Value &var_location,
1592  TypeFromUser *user_type,
1593  TypeFromParser *parser_type) {
1595 
1596  Type *var_type = var->GetType();
1597 
1598  if (!var_type) {
1599  if (log)
1600  log->PutCString("Skipped a definition because it has no type");
1601  return false;
1602  }
1603 
1604  CompilerType var_clang_type = var_type->GetFullCompilerType();
1605 
1606  if (!var_clang_type) {
1607  if (log)
1608  log->PutCString("Skipped a definition because it has no Clang type");
1609  return false;
1610  }
1611 
1612  ClangASTContext *clang_ast = llvm::dyn_cast_or_null<ClangASTContext>(
1613  var_type->GetForwardCompilerType().GetTypeSystem());
1614 
1615  if (!clang_ast) {
1616  if (log)
1617  log->PutCString("Skipped a definition because it has no Clang AST");
1618  return false;
1619  }
1620 
1621  ASTContext *ast = clang_ast->getASTContext();
1622 
1623  if (!ast) {
1624  if (log)
1625  log->PutCString(
1626  "There is no AST context for the current execution context");
1627  return false;
1628  }
1629 
1630  DWARFExpression &var_location_expr = var->LocationExpression();
1631 
1632  Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1633  Status err;
1634 
1635  if (var->GetLocationIsConstantValueData()) {
1636  DataExtractor const_value_extractor;
1637 
1638  if (var_location_expr.GetExpressionData(const_value_extractor)) {
1639  var_location = Value(const_value_extractor.GetDataStart(),
1640  const_value_extractor.GetByteSize());
1642  } else {
1643  if (log)
1644  log->Printf("Error evaluating constant variable: %s", err.AsCString());
1645  return false;
1646  }
1647  }
1648 
1649  CompilerType type_to_use = GuardedCopyType(var_clang_type);
1650 
1651  if (!type_to_use) {
1652  if (log)
1653  log->Printf(
1654  "Couldn't copy a variable's type into the parser's AST context");
1655 
1656  return false;
1657  }
1658 
1659  if (parser_type)
1660  *parser_type = TypeFromParser(type_to_use);
1661 
1662  if (var_location.GetContextType() == Value::eContextTypeInvalid)
1663  var_location.SetCompilerType(type_to_use);
1664 
1665  if (var_location.GetValueType() == Value::eValueTypeFileAddress) {
1666  SymbolContext var_sc;
1667  var->CalculateSymbolContext(&var_sc);
1668 
1669  if (!var_sc.module_sp)
1670  return false;
1671 
1672  Address so_addr(var_location.GetScalar().ULongLong(),
1673  var_sc.module_sp->GetSectionList());
1674 
1675  lldb::addr_t load_addr = so_addr.GetLoadAddress(target);
1676 
1677  if (load_addr != LLDB_INVALID_ADDRESS) {
1678  var_location.GetScalar() = load_addr;
1680  }
1681  }
1682 
1683  if (user_type)
1684  *user_type = TypeFromUser(var_clang_type);
1685 
1686  return true;
1687 }
1688 
1689 void ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context,
1690  VariableSP var,
1691  ValueObjectSP valobj,
1692  unsigned int current_id) {
1693  assert(m_parser_vars.get());
1694 
1696 
1697  TypeFromUser ut;
1698  TypeFromParser pt;
1699  Value var_location;
1700 
1701  if (!GetVariableValue(var, var_location, &ut, &pt))
1702  return;
1703 
1704  clang::QualType parser_opaque_type =
1705  QualType::getFromOpaquePtr(pt.GetOpaqueQualType());
1706 
1707  if (parser_opaque_type.isNull())
1708  return;
1709 
1710  if (const clang::Type *parser_type = parser_opaque_type.getTypePtr()) {
1711  if (const TagType *tag_type = dyn_cast<TagType>(parser_type))
1712  CompleteType(tag_type->getDecl());
1713  if (const ObjCObjectPointerType *objc_object_ptr_type =
1714  dyn_cast<ObjCObjectPointerType>(parser_type))
1715  CompleteType(objc_object_ptr_type->getInterfaceDecl());
1716  }
1717 
1718  bool is_reference = pt.IsReferenceType();
1719 
1720  NamedDecl *var_decl = NULL;
1721  if (is_reference)
1722  var_decl = context.AddVarDecl(pt);
1723  else
1724  var_decl = context.AddVarDecl(pt.GetLValueReferenceType());
1725 
1726  std::string decl_name(context.m_decl_name.getAsString());
1727  ConstString entity_name(decl_name.c_str());
1728  ClangExpressionVariable *entity(new ClangExpressionVariable(valobj));
1729  m_found_entities.AddNewlyConstructedVariable(entity);
1730 
1731  assert(entity);
1732  entity->EnableParserVars(GetParserID());
1734  entity->GetParserVars(GetParserID());
1735  parser_vars->m_parser_type = pt;
1736  parser_vars->m_named_decl = var_decl;
1737  parser_vars->m_llvm_value = NULL;
1738  parser_vars->m_lldb_value = var_location;
1739  parser_vars->m_lldb_var = var;
1740 
1741  if (is_reference)
1742  entity->m_flags |= ClangExpressionVariable::EVTypeIsReference;
1743 
1744  if (log) {
1745  ASTDumper orig_dumper(ut.GetOpaqueQualType());
1746  ASTDumper ast_dumper(var_decl);
1747  log->Printf(" CEDM::FEVD[%u] Found variable %s, returned %s (original %s)",
1748  current_id, decl_name.c_str(), ast_dumper.GetCString(),
1749  orig_dumper.GetCString());
1750  }
1751 }
1752 
1753 void ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context,
1754  ExpressionVariableSP &pvar_sp,
1755  unsigned int current_id) {
1757 
1758  TypeFromUser user_type(
1759  llvm::cast<ClangExpressionVariable>(pvar_sp.get())->GetTypeFromUser());
1760 
1761  TypeFromParser parser_type(GuardedCopyType(user_type));
1762 
1763  if (!parser_type.GetOpaqueQualType()) {
1764  if (log)
1765  log->Printf(" CEDM::FEVD[%u] Couldn't import type for pvar %s",
1766  current_id, pvar_sp->GetName().GetCString());
1767  return;
1768  }
1769 
1770  NamedDecl *var_decl =
1771  context.AddVarDecl(parser_type.GetLValueReferenceType());
1772 
1773  llvm::cast<ClangExpressionVariable>(pvar_sp.get())
1774  ->EnableParserVars(GetParserID());
1776  llvm::cast<ClangExpressionVariable>(pvar_sp.get())
1777  ->GetParserVars(GetParserID());
1778  parser_vars->m_parser_type = parser_type;
1779  parser_vars->m_named_decl = var_decl;
1780  parser_vars->m_llvm_value = NULL;
1781  parser_vars->m_lldb_value.Clear();
1782 
1783  if (log) {
1784  ASTDumper ast_dumper(var_decl);
1785  log->Printf(" CEDM::FEVD[%u] Added pvar %s, returned %s", current_id,
1786  pvar_sp->GetName().GetCString(), ast_dumper.GetCString());
1787  }
1788 }
1789 
1790 void ClangExpressionDeclMap::AddOneGenericVariable(NameSearchContext &context,
1791  const Symbol &symbol,
1792  unsigned int current_id) {
1793  assert(m_parser_vars.get());
1794 
1796 
1797  Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1798 
1799  if (target == NULL)
1800  return;
1801 
1802  ASTContext *scratch_ast_context =
1804 
1805  TypeFromUser user_type(
1806  ClangASTContext::GetBasicType(scratch_ast_context, eBasicTypeVoid)
1807  .GetPointerType()
1808  .GetLValueReferenceType());
1809  TypeFromParser parser_type(
1811  .GetPointerType()
1812  .GetLValueReferenceType());
1813  NamedDecl *var_decl = context.AddVarDecl(parser_type);
1814 
1815  std::string decl_name(context.m_decl_name.getAsString());
1816  ConstString entity_name(decl_name.c_str());
1818  m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(), entity_name,
1819  user_type, m_parser_vars->m_target_info.byte_order,
1820  m_parser_vars->m_target_info.address_byte_size));
1821  m_found_entities.AddNewlyConstructedVariable(entity);
1822 
1823  entity->EnableParserVars(GetParserID());
1825  entity->GetParserVars(GetParserID());
1826 
1827  const Address symbol_address = symbol.GetAddress();
1828  lldb::addr_t symbol_load_addr = symbol_address.GetLoadAddress(target);
1829 
1830  // parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType,
1831  // user_type.GetOpaqueQualType());
1832  parser_vars->m_lldb_value.SetCompilerType(user_type);
1833  parser_vars->m_lldb_value.GetScalar() = symbol_load_addr;
1835 
1836  parser_vars->m_parser_type = parser_type;
1837  parser_vars->m_named_decl = var_decl;
1838  parser_vars->m_llvm_value = NULL;
1839  parser_vars->m_lldb_sym = &symbol;
1840 
1841  if (log) {
1842  ASTDumper ast_dumper(var_decl);
1843 
1844  log->Printf(" CEDM::FEVD[%u] Found variable %s, returned %s", current_id,
1845  decl_name.c_str(), ast_dumper.GetCString());
1846  }
1847 }
1848 
1851  Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1852 
1853  ClangASTContextForExpressions *scratch_ast_context =
1854  static_cast<ClangASTContextForExpressions*>(
1855  target->GetScratchClangASTContext());
1856 
1857  for (size_t index = 0, num_entities = m_found_entities.GetSize();
1858  index < num_entities; ++index) {
1859  ExpressionVariableSP entity = m_found_entities.GetVariableAtIndex(index);
1860 
1862  llvm::cast<ClangExpressionVariable>(entity.get())
1863  ->GetParserVars(GetParserID());
1864 
1865  if (entity->m_flags & ClangExpressionVariable::EVUnknownType) {
1866  const NamedDecl *named_decl = parser_vars->m_named_decl;
1867  const VarDecl *var_decl = dyn_cast<VarDecl>(named_decl);
1868 
1869  if (!var_decl) {
1870  if (log)
1871  log->Printf("Entity of unknown type does not have a VarDecl");
1872  return false;
1873  }
1874 
1875  if (log) {
1876  ASTDumper ast_dumper(const_cast<VarDecl *>(var_decl));
1877  log->Printf("Variable of unknown type now has Decl %s",
1878  ast_dumper.GetCString());
1879  }
1880 
1881  QualType var_type = var_decl->getType();
1882  TypeFromParser parser_type(
1883  var_type.getAsOpaquePtr(),
1884  ClangASTContext::GetASTContext(&var_decl->getASTContext()));
1885 
1886  lldb::opaque_compiler_type_t copied_type = 0;
1887  if (m_ast_importer_sp) {
1888  copied_type = m_ast_importer_sp->CopyType(
1889  scratch_ast_context->getASTContext(), &var_decl->getASTContext(),
1890  var_type.getAsOpaquePtr());
1891  } else if (HasMerger()) {
1892  copied_type = CopyTypeWithMerger(
1893  var_decl->getASTContext(),
1894  scratch_ast_context->GetMergerUnchecked(),
1895  var_type).getAsOpaquePtr();
1896  } else {
1897  lldbassert(0 && "No mechanism to copy a resolved unknown type!");
1898  return false;
1899  }
1900 
1901  if (!copied_type) {
1902  if (log)
1903  log->Printf("ClangExpressionDeclMap::ResolveUnknownType - Couldn't "
1904  "import the type for a variable");
1905 
1906  return (bool)lldb::ExpressionVariableSP();
1907  }
1908 
1909  TypeFromUser user_type(copied_type, scratch_ast_context);
1910 
1911  // parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType,
1912  // user_type.GetOpaqueQualType());
1913  parser_vars->m_lldb_value.SetCompilerType(user_type);
1914  parser_vars->m_parser_type = parser_type;
1915 
1916  entity->SetCompilerType(user_type);
1917 
1918  entity->m_flags &= ~(ClangExpressionVariable::EVUnknownType);
1919  }
1920  }
1921 
1922  return true;
1923 }
1924 
1925 void ClangExpressionDeclMap::AddOneRegister(NameSearchContext &context,
1926  const RegisterInfo *reg_info,
1927  unsigned int current_id) {
1929 
1930  CompilerType clang_type =
1932  m_ast_context, reg_info->encoding, reg_info->byte_size * 8);
1933 
1934  if (!clang_type) {
1935  if (log)
1936  log->Printf(" Tried to add a type for %s, but couldn't get one",
1937  context.m_decl_name.getAsString().c_str());
1938  return;
1939  }
1940 
1941  TypeFromParser parser_clang_type(clang_type);
1942 
1943  NamedDecl *var_decl = context.AddVarDecl(parser_clang_type);
1944 
1946  m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(),
1947  m_parser_vars->m_target_info.byte_order,
1948  m_parser_vars->m_target_info.address_byte_size));
1949  m_found_entities.AddNewlyConstructedVariable(entity);
1950 
1951  std::string decl_name(context.m_decl_name.getAsString());
1952  entity->SetName(ConstString(decl_name.c_str()));
1953  entity->SetRegisterInfo(reg_info);
1954  entity->EnableParserVars(GetParserID());
1956  entity->GetParserVars(GetParserID());
1957  parser_vars->m_parser_type = parser_clang_type;
1958  parser_vars->m_named_decl = var_decl;
1959  parser_vars->m_llvm_value = NULL;
1960  parser_vars->m_lldb_value.Clear();
1962 
1963  if (log) {
1964  ASTDumper ast_dumper(var_decl);
1965  log->Printf(" CEDM::FEVD[%d] Added register %s, returned %s", current_id,
1966  context.m_decl_name.getAsString().c_str(),
1967  ast_dumper.GetCString());
1968  }
1969 }
1970 
1971 void ClangExpressionDeclMap::AddOneFunction(NameSearchContext &context,
1972  Function *function, Symbol *symbol,
1973  unsigned int current_id) {
1974  assert(m_parser_vars.get());
1975 
1977 
1978  NamedDecl *function_decl = NULL;
1979  Address fun_address;
1980  CompilerType function_clang_type;
1981 
1982  bool is_indirect_function = false;
1983 
1984  if (function) {
1985  Type *function_type = function->GetType();
1986 
1987  const auto lang = function->GetCompileUnit()->GetLanguage();
1988  const auto name = function->GetMangled().GetMangledName().AsCString();
1989  const bool extern_c = (Language::LanguageIsC(lang) &&
1991  (Language::LanguageIsObjC(lang) &&
1993 
1994  if (!extern_c) {
1995  TypeSystem *type_system = function->GetDeclContext().GetTypeSystem();
1996  if (llvm::isa<ClangASTContext>(type_system)) {
1997  clang::DeclContext *src_decl_context =
1998  (clang::DeclContext *)function->GetDeclContext()
1999  .GetOpaqueDeclContext();
2000  clang::FunctionDecl *src_function_decl =
2001  llvm::dyn_cast_or_null<clang::FunctionDecl>(src_decl_context);
2002  if (src_function_decl &&
2003  src_function_decl->getTemplateSpecializationInfo()) {
2004  clang::FunctionTemplateDecl *function_template =
2005  src_function_decl->getTemplateSpecializationInfo()->getTemplate();
2006  clang::FunctionTemplateDecl *copied_function_template =
2007  llvm::dyn_cast_or_null<clang::FunctionTemplateDecl>(
2008  CopyDecl(function_template));
2009  if (copied_function_template) {
2010  if (log) {
2011  ASTDumper ast_dumper((clang::Decl *)copied_function_template);
2012 
2013  StreamString ss;
2014 
2015  function->DumpSymbolContext(&ss);
2016 
2017  log->Printf(" CEDM::FEVD[%u] Imported decl for function template"
2018  " %s (description %s), returned %s",
2019  current_id,
2020  copied_function_template->getNameAsString().c_str(),
2021  ss.GetData(), ast_dumper.GetCString());
2022  }
2023 
2024  context.AddNamedDecl(copied_function_template);
2025  }
2026  } else if (src_function_decl) {
2027  if (clang::FunctionDecl *copied_function_decl =
2028  llvm::dyn_cast_or_null<clang::FunctionDecl>(
2029  CopyDecl(src_function_decl))) {
2030  if (log) {
2031  ASTDumper ast_dumper((clang::Decl *)copied_function_decl);
2032 
2033  StreamString ss;
2034 
2035  function->DumpSymbolContext(&ss);
2036 
2037  log->Printf(" CEDM::FEVD[%u] Imported decl for function %s "
2038  "(description %s), returned %s",
2039  current_id,
2040  copied_function_decl->getNameAsString().c_str(),
2041  ss.GetData(), ast_dumper.GetCString());
2042  }
2043 
2044  context.AddNamedDecl(copied_function_decl);
2045  return;
2046  } else {
2047  if (log) {
2048  log->Printf(" Failed to import the function decl for '%s'",
2049  src_function_decl->getName().str().c_str());
2050  }
2051  }
2052  }
2053  }
2054  }
2055 
2056  if (!function_type) {
2057  if (log)
2058  log->PutCString(" Skipped a function because it has no type");
2059  return;
2060  }
2061 
2062  function_clang_type = function_type->GetFullCompilerType();
2063 
2064  if (!function_clang_type) {
2065  if (log)
2066  log->PutCString(" Skipped a function because it has no Clang type");
2067  return;
2068  }
2069 
2070  fun_address = function->GetAddressRange().GetBaseAddress();
2071 
2072  CompilerType copied_function_type = GuardedCopyType(function_clang_type);
2073  if (copied_function_type) {
2074  function_decl = context.AddFunDecl(copied_function_type, extern_c);
2075 
2076  if (!function_decl) {
2077  if (log) {
2078  log->Printf(
2079  " Failed to create a function decl for '%s' {0x%8.8" PRIx64 "}",
2080  function_type->GetName().GetCString(), function_type->GetID());
2081  }
2082 
2083  return;
2084  }
2085  } else {
2086  // We failed to copy the type we found
2087  if (log) {
2088  log->Printf(" Failed to import the function type '%s' {0x%8.8" PRIx64
2089  "} into the expression parser AST contenxt",
2090  function_type->GetName().GetCString(),
2091  function_type->GetID());
2092  }
2093 
2094  return;
2095  }
2096  } else if (symbol) {
2097  fun_address = symbol->GetAddress();
2098  function_decl = context.AddGenericFunDecl();
2099  is_indirect_function = symbol->IsIndirect();
2100  } else {
2101  if (log)
2102  log->PutCString(" AddOneFunction called with no function and no symbol");
2103  return;
2104  }
2105 
2106  Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
2107 
2108  lldb::addr_t load_addr =
2109  fun_address.GetCallableLoadAddress(target, is_indirect_function);
2110 
2112  m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(),
2113  m_parser_vars->m_target_info.byte_order,
2114  m_parser_vars->m_target_info.address_byte_size));
2115  m_found_entities.AddNewlyConstructedVariable(entity);
2116 
2117  std::string decl_name(context.m_decl_name.getAsString());
2118  entity->SetName(ConstString(decl_name.c_str()));
2119  entity->SetCompilerType(function_clang_type);
2120  entity->EnableParserVars(GetParserID());
2121 
2123  entity->GetParserVars(GetParserID());
2124 
2125  if (load_addr != LLDB_INVALID_ADDRESS) {
2127  parser_vars->m_lldb_value.GetScalar() = load_addr;
2128  } else {
2129  // We have to try finding a file address.
2130 
2131  lldb::addr_t file_addr = fun_address.GetFileAddress();
2132 
2134  parser_vars->m_lldb_value.GetScalar() = file_addr;
2135  }
2136 
2137  parser_vars->m_named_decl = function_decl;
2138  parser_vars->m_llvm_value = NULL;
2139 
2140  if (log) {
2141  std::string function_str =
2142  function_decl ? ASTDumper(function_decl).GetCString() : "nullptr";
2143 
2144  StreamString ss;
2145 
2146  fun_address.Dump(&ss,
2147  m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(),
2149 
2150  log->Printf(
2151  " CEDM::FEVD[%u] Found %s function %s (description %s), returned %s",
2152  current_id, (function ? "specific" : "generic"), decl_name.c_str(),
2153  ss.GetData(), function_str.c_str());
2154  }
2155 }
2156 
2157 void ClangExpressionDeclMap::AddThisType(NameSearchContext &context,
2158  const TypeFromUser &ut,
2159  unsigned int current_id) {
2160  CompilerType copied_clang_type = GuardedCopyType(ut);
2161 
2163 
2164  if (!copied_clang_type) {
2165  if (log)
2166  log->Printf(
2167  "ClangExpressionDeclMap::AddThisType - Couldn't import the type");
2168 
2169  return;
2170  }
2171 
2172  if (copied_clang_type.IsAggregateType() &&
2173  copied_clang_type.GetCompleteType()) {
2174  CompilerType void_clang_type =
2176  CompilerType void_ptr_clang_type = void_clang_type.GetPointerType();
2177 
2179  m_ast_context, void_clang_type, &void_ptr_clang_type, 1, false, 0);
2180 
2181  const bool is_virtual = false;
2182  const bool is_static = false;
2183  const bool is_inline = false;
2184  const bool is_explicit = false;
2185  const bool is_attr_used = true;
2186  const bool is_artificial = false;
2187 
2188  CXXMethodDecl *method_decl =
2191  copied_clang_type.GetOpaqueQualType(), "$__lldb_expr", NULL,
2192  method_type, lldb::eAccessPublic, is_virtual, is_static,
2193  is_inline, is_explicit, is_attr_used, is_artificial);
2194 
2195  if (log) {
2196  ASTDumper method_ast_dumper((clang::Decl *)method_decl);
2197  ASTDumper type_ast_dumper(copied_clang_type);
2198 
2199  log->Printf(" CEDM::AddThisType Added function $__lldb_expr "
2200  "(description %s) for this type %s",
2201  method_ast_dumper.GetCString(), type_ast_dumper.GetCString());
2202  }
2203  }
2204 
2205  if (!copied_clang_type.IsValid())
2206  return;
2207 
2208  TypeSourceInfo *type_source_info = m_ast_context->getTrivialTypeSourceInfo(
2209  QualType::getFromOpaquePtr(copied_clang_type.GetOpaqueQualType()));
2210 
2211  if (!type_source_info)
2212  return;
2213 
2214  // Construct a typedef type because if "*this" is a templated type we can't
2215  // just return ClassTemplateSpecializationDecls in response to name queries.
2216  // Using a typedef makes this much more robust.
2217 
2218  TypedefDecl *typedef_decl = TypedefDecl::Create(
2219  *m_ast_context, m_ast_context->getTranslationUnitDecl(), SourceLocation(),
2220  SourceLocation(), context.m_decl_name.getAsIdentifierInfo(),
2221  type_source_info);
2222 
2223  if (!typedef_decl)
2224  return;
2225 
2226  context.AddNamedDecl(typedef_decl);
2227 
2228  return;
2229 }
2230 
2231 void ClangExpressionDeclMap::AddOneType(NameSearchContext &context,
2232  const TypeFromUser &ut,
2233  unsigned int current_id) {
2234  CompilerType copied_clang_type = GuardedCopyType(ut);
2235 
2236  if (!copied_clang_type) {
2238 
2239  if (log)
2240  log->Printf(
2241  "ClangExpressionDeclMap::AddOneType - Couldn't import the type");
2242 
2243  return;
2244  }
2245 
2246  context.AddTypeDecl(copied_clang_type);
2247 }
This variable is a direct reference to $pc or some other entity.
lldb::addr_t GetCallableLoadAddress(Target *target, bool is_indirect=false) const
Get the load address as a callable code load address.
Definition: Address.cpp:317
Keep the allocation after the expression is complete rather than freeze drying its contents and freei...
This variable is a reference to a (possibly invalid) area managed by the target program.
An data extractor class.
Definition: DataExtractor.h:47
uint32_t CountDeclLevels(clang::DeclContext *frame_decl_ctx, clang::DeclContext *child_decl_ctx, ConstString *child_name=nullptr, CompilerType *child_type=nullptr)
std::vector< CompilerDecl > FindDeclByName(ConstString name, const bool ignore_using_decls)
lldb::offset_t m_alignment
The required alignment of the variable, in bytes.
This is a symbol of unknown type, and the type must be resolved after parsing is complete.
Defines a list of symbol context objects.
Enumerations for broadcasting.
Definition: SBLaunchInfo.h:14
const ArchSpec & GetArchitecture() const
Definition: Target.h:941
clang::NamespaceDecl * GetUniqueNamespaceDeclaration(const char *name, clang::DeclContext *decl_ctx, bool is_inline=false)
const char * AsCString(const char *value_if_empty=nullptr) const
Get the string value as a C string.
Definition: ConstString.h:224
const clang::DeclarationName & m_decl_name
The name being looked for.
static ClangExpressionVariable * FindVariableInList(ExpressionVariableList &list, const clang::NamedDecl *decl, uint64_t parser_id)
Utility functions for dealing with ExpressionVariableLists in Clang- specific ways.
#define lldbassert(x)
Definition: LLDBAssert.h:15
lldb::VariableSP m_lldb_var
The original variable for this variable.
Provider for named objects defined in the debug info for Clang.
Defines a symbol context baton that can be handed other debug core functions.
Definition: SymbolContext.h:33
uint32_t GetAddressByteSize() const
Returns the size in bytes of an address of the current architecture.
Definition: ArchSpec.cpp:742
clang::ASTContext * getASTContext()
const lldb::TargetSP & GetTargetSP() const
Get accessor to get the target shared pointer.
lldb::addr_t GetLoadAddress(Target *target) const
Get the load address.
Definition: Address.cpp:292
static bool LanguageIsObjC(lldb::LanguageType language)
Definition: Language.cpp:254
Copy from m_live_sp to m_frozen_sp during dematerialization.
"lldb/Expression/DWARFExpression.h" Encapsulates a DWARF location expression and interprets it...
CompilerType GetBuiltinTypeForEncodingAndBitSize(lldb::Encoding encoding, size_t bit_size) override
bool GetStructElement(const clang::NamedDecl *&decl, llvm::Value *&value, lldb::offset_t &offset, ConstString &name, uint32_t index)
[Used by IRForTarget] Get specific information about one field of the laid-out struct after DoStructL...
const char * GetCString()
Definition: ASTDumper.cpp:76
TaggedASTType< 1 > TypeFromUser
Definition: TaggedASTType.h:40
llvm::Error Error
void SetCompilerType(const CompilerType &compiler_type)
virtual void FindExternalVisibleDecls(NameSearchContext &context)
The worker function for FindExternalVisibleDeclsByName.
bool Dump(Stream *s, ExecutionContextScope *exe_scope, DumpStyle style, DumpStyle fallback_style=DumpStyleInvalid, uint32_t addr_byte_size=UINT32_MAX) const
Dump a description of this object to a Stream.
Definition: Address.cpp:374
Space for this variable has yet to be allocated in the target process.
bool IsClassMethod(lldb::LanguageType *language_ptr, bool *is_instance_method_ptr, ConstString *language_object_name_ptr)
Checks if this decl context represents a method of a class.
virtual lldb::addr_t LookupRuntimeSymbol(ConstString name)
lldb::user_id_t GetID() const
Get accessor for the user ID.
Definition: UserID.h:49
void * opaque_compiler_type_t
Definition: lldb-types.h:90
"lldb/Expression/ClangASTSource.h" Container for all objects relevant to a single name lookup ...
A class that describes a function.
Definition: Function.h:323
lldb::addr_t GetFileAddress() const
Get the file address.
Definition: Address.cpp:272
void SetValueType(ValueType value_type)
Definition: Value.h:154
"lldb/Target/ExecutionContext.h" A class that contains an execution context.
lldb::ByteOrder GetByteOrder() const
Definition: Process.cpp:3366
ParserVars * GetParserVars(uint64_t parser_id)
Access parser-specific variables.
Address GetAddress() const
Definition: Symbol.h:72
JITVars * GetJITVars(uint64_t parser_id)
const char * GetData() const
Definition: StreamString.h:43
A class that describes a single lexical block.
Definition: Block.h:41
bool DoStructLayout()
[Used by IRForTarget] Finalize the struct, laying out the position of each object in it...
The original type of this variable is a reference, so materialize the value rather than the location...
virtual ObjCLanguageRuntime * GetObjCLanguageRuntime(bool retry_if_null=true)
Definition: Process.cpp:1573
VariableList * GetVariableList(bool get_file_globals)
Retrieve the list of variables that are in scope at this StackFrame&#39;s pc.
Definition: StackFrame.cpp:414
lldb_private::Value m_lldb_value
The value found in LLDB for this variable.
bool IgnoreName(const ConstString name, bool ignore_all_dollar_names)
Returns true if a name should be ignored by name lookup.
static ClangASTContext * GetASTContext(clang::ASTContext *ast_ctx)
StackFrame * GetFramePtr() const
Returns a pointer to the frame object.
clang::Decl * CopyDecl(clang::Decl *src_decl)
Copies a single Decl into the parser&#39;s AST context.
lldb::ClangASTImporterSP m_ast_importer_sp
The target&#39;s AST importer.
CompilerType GetPointeeType() const
static clang::QualType ExportAllDeclaredTypes(clang::ExternalASTMerger &merger, clang::ASTContext &source, clang::FileManager &source_file_manager, const clang::ExternalASTMerger::OriginMap &source_origin_map, clang::FileID file, clang::QualType root)
Symbol * symbol
The Symbol for a given query.
bool AddPersistentVariable(const clang::NamedDecl *decl, ConstString name, TypeFromParser type, bool is_result, bool is_lvalue)
[Used by IRForTarget] Add a variable to the list of persistent variables for the process.
void DidParse()
Disable the state needed for parsing and IR transformation.
size_t FindSymbolsWithNameAndType(ConstString name, lldb::SymbolType symbol_type, SymbolContextList &sc_list)
Definition: Module.cpp:1364
#define LLDB_INVALID_DECL_LEVEL
uint32_t GetSize() const
Get accessor for a symbol context list size.
const SymbolContext & GetSymbolContext(lldb::SymbolContextItem resolve_scope)
Provide a SymbolContext for this StackFrame&#39;s current pc value.
Definition: StackFrame.cpp:267
Function * function
The Function for a given query.
lldb::SymbolType GetType() const
Definition: Symbol.h:136
static bool IsObjCClassType(const CompilerType &type)
lldb::opaque_compiler_type_t GetOpaqueQualType() const
Definition: CompilerType.h:165
#define UINT32_MAX
Definition: lldb-defines.h:31
lldb::VariableSP GetVariableAtIndex(size_t idx) const
ConstString GetName()
Definition: Type.cpp:275
ValueType GetValueType() const
Definition: Value.cpp:114
static bool IsCPPMangledName(const char *name)
CompilerType GetFullCompilerType()
Definition: Type.cpp:600
TaggedASTType< 0 > TypeFromParser
Definition: TaggedASTType.h:39
Target * GetTargetPtr() const
Returns a pointer to the target object.
#define LLDB_INVALID_ADDRESS
Invalid value definitions.
Definition: lldb-defines.h:85
Block * GetFunctionBlock()
Find a block that defines the function represented by this symbol context.
[Used by IRInterpreter] Get basic target information.
const lldb_private::Symbol * m_lldb_sym
The original symbol for this variable, if it was a symbol.
const lldb::TargetSP m_target
The target to use in finding variables and types.
void EnableJITVars(uint64_t parser_id)
Make this variable usable for materializing for the JIT by allocating space for JIT-specific variable...
TypeFromParser m_parser_type
The type of the variable according to the parser.
bool HasMerger()
Returns true if there is a merger.
uint64_t offset_t
Definition: lldb-types.h:87
bool GetStructInfo(uint32_t &num_elements, size_t &size, lldb::offset_t &alignment)
[Used by IRForTarget] Get general information about the laid-out struct after DoStructLayout() has be...
struct lldb_private::NameSearchContext::@55 m_found
Log * GetLogIfAllCategoriesSet(uint32_t mask)
Definition: Logging.cpp:57
bool IsIndirect() const
Definition: Symbol.cpp:172
TypeSystem * GetTypeSystem() const
Definition: CompilerType.h:150
A class that describes an executable image and its associated object and symbol files.
Definition: Module.h:109
lldb::VariableSP FindVariable(ConstString name, bool include_static_members=true)
bool IsReferenceType(CompilerType *pointee_type=nullptr, bool *is_rvalue=nullptr) const
static void CompleteAllDeclContexts(clang::ASTImporter &exporter, clang::FileID file, clang::QualType root)
lldb::ModuleSP FindFirstModule(const ModuleSpec &module_spec) const
Definition: ModuleList.cpp:599
void SetCompilerType(TypeSystem *type_system, lldb::opaque_compiler_type_t type)
size_t FindSymbolsWithNameAndType(ConstString name, lldb::SymbolType symbol_type, SymbolContextList &sc_list, bool append=false) const
Definition: ModuleList.cpp:457
void FindExternalVisibleDecls(NameSearchContext &context) override
[Used by ClangASTSource] Find all entities matching a given name, using a NameSearchContext to make D...
static bool IsObjCObjectPointerType(const CompilerType &type, CompilerType *target_type=nullptr)
std::shared_ptr< NamespaceMap > NamespaceMapSP
uint32_t GetAddressByteSize() const
Definition: Process.cpp:3370
lldb::VariableListSP GetInScopeVariableList(bool get_file_globals, bool must_have_valid_location=false)
Retrieve the list of variables that are in scope at this StackFrame&#39;s pc.
Definition: StackFrame.cpp:453
unsigned long long ULongLong(unsigned long long fail_value=0) const
Definition: Scalar.cpp:1566
clang::NamedDecl * AddGenericFunDecl()
Create a FunDecl with the name being searched for and generic type (i.e.
bool GetFunctionInfo(const clang::NamedDecl *decl, uint64_t &ptr)
[Used by IRForTarget] Get information about a function given its Decl.
ContextType GetContextType() const
Definition: Value.h:152
lldb::offset_t m_offset
The offset of the variable in the struct, in bytes.
A plug-in interface definition class for debugging a process.
Definition: Process.h:353
Process * GetProcessPtr() const
Returns a pointer to the process object.
lldb::ByteOrder GetByteOrder() const
Returns the byte order for the architecture specification.
Definition: ArchSpec.cpp:788
lldb::addr_t GetSymbolAddress(Target &target, Process *process, ConstString name, lldb::SymbolType symbol_type, Module *module=NULL)
[Used by IRForTarget] Get the address of a symbol given nothing but its name.
llvm::StringRef GetStringRef() const
Get the string value as a llvm::StringRef.
Definition: ConstString.h:233
size_t Printf(const char *format,...) __attribute__((format(printf
Output printf formatted output to the stream.
Definition: Stream.cpp:106
void Append(const SymbolContext &sc)
Append a new symbol context to the list.
bool Success() const
Test for success condition.
Definition: Status.cpp:287
The following values should not live beyond parsing.
lldb::ExpressionVariableSP GetVariableAtIndex(size_t index)
clang::NamedDecl * AddTypeDecl(const CompilerType &compiler_type)
Create a TypeDecl with the name being searched for and the provided type and register it in the right...
clang::ASTContext * m_ast_context
The AST context requests are coming in for.
CompilerDeclContext GetDeclContext()
Get the DeclContext for this function, if available.
Definition: Function.cpp:427
The following values are valid if the variable is used by JIT code.
bool IsValid() const
Check if the object state is valid.
Definition: Address.h:343
A section + offset based address class.
Definition: Address.h:80
clang::NamedDecl * AddFunDecl(const CompilerType &type, bool extern_c=false)
Create a FunDecl with the name being searched for and the provided type and register it in the right ...
CompilerType GetPointerType() const
CompilerType GetLValueReferenceType() const
size_t GetSize()
Implementation of methods in ExpressionVariableListBase.
ClangASTContext * GetScratchClangASTContext(bool create_on_demand=true)
Definition: Target.cpp:2299
CompilerType GetForwardCompilerType()
Definition: Type.cpp:610
CompilerDeclContext GetDeclContext()
Definition: Block.cpp:470
uint64_t GetByteSize() const
Get the number of bytes contained in this object.
bool GetContextAtIndex(size_t idx, SymbolContext &sc) const
Get accessor for a symbol context at index idx.
static bool AreTypesSame(CompilerType type1, CompilerType type2, bool ignore_qualifiers=false)
void EnableParserVars(uint64_t parser_id)
Make this variable usable by the parser by allocating space for parser- specific variables.
llvm::Value * m_llvm_value
The IR value corresponding to this variable; usually a GlobalValue.
ConstString GetReExportedSymbolName() const
Definition: Symbol.cpp:122
const ModuleList & GetImages() const
Get accessor for the images for this process.
Definition: Target.h:899
clang::QualType CopyTypeWithMerger(clang::ASTContext &src_context, clang::ExternalASTMerger &merger, clang::QualType type)
Copies a single Type to the target of the given ExternalASTMerger.
size_t FindGlobalVariables(ConstString name, size_t max_matches, VariableList &variable_list) const
Find global and static variables by name.
Definition: ModuleList.cpp:433
Display the details about what an address resolves to.
Definition: Address.h:108
ConstString & GetDirectory()
Directory string get accessor.
Definition: FileSpec.cpp:363
Symbol * ResolveReExportedSymbol(Target &target) const
Definition: Symbol.cpp:466
static CompilerType CreateFunctionType(clang::ASTContext *ast, const CompilerType &result_type, const CompilerType *args, unsigned num_args, bool is_variadic, unsigned type_quals, clang::CallingConv cc)
uint64_t addr_t
Definition: lldb-types.h:83
Thread * GetThreadPtr() const
Returns a pointer to the thread object.
const uint8_t * GetDataStart() const
Get the data start pointer.
A uniqued constant string class.
Definition: ConstString.h:38
void CompleteType(clang::TagDecl *Tag) override
Complete a TagDecl.
bool Fail() const
Test for error condition.
Definition: Status.cpp:181
const char * GetCString() const
Get the string value as a C string.
Definition: ConstString.h:247
std::unique_ptr< clang::ExternalASTMerger > m_merger_up
The ExternalASTMerger for this parse.
clang::NamedDecl * AddVarDecl(const CompilerType &type)
Create a VarDecl with the name being searched for and the provided type and register it in the right ...
Non-standardized C, such as K&R.
lldb::ModuleSP module_sp
The Module for a given query.
void PutCString(const char *cstr)
Definition: Log.cpp:109
Definition: SBAddress.h:15
static bool LanguageIsCPlusPlus(lldb::LanguageType language)
Definition: Language.cpp:241
const clang::NamedDecl * m_named_decl
The Decl corresponding to this variable.
clang::FileManager * getFileManager()
bool ResolveUnknownTypes()
[Used by ClangExpressionParser] For each variable that had an unknown type at the beginning of parsin...
bool WillParse(ExecutionContext &exe_ctx, Materializer *materializer)
Enable the state needed for parsing and IR transformation.
CompilerType GuardedCopyType(const CompilerType &src_type)
A wrapper for ClangASTContext::CopyType that sets a flag that indicates that we should not respond to...
FileSpec GetReExportedSymbolSharedLibrary() const
Definition: Symbol.cpp:136
void SetRegisterInfo(const RegisterInfo *reg_info)
bool IsExternal() const
Definition: Symbol.h:161
static bool LanguageIsC(lldb::LanguageType language)
Definition: Language.cpp:264
static void DumpCounters(Log *log)
void SetCompilerType(const CompilerType &compiler_type)
Definition: Value.cpp:268
size_t FindFunctions(ConstString name, lldb::FunctionNameType name_type_mask, bool include_symbols, bool include_inlines, bool append, SymbolContextList &sc_list) const
FileSpec & GetPlatformFileSpec()
Definition: ModuleSpec.h:87
static clang::ObjCMethodDecl * DeclContextGetAsObjCMethodDecl(const CompilerDeclContext &dc)
#define LIBLLDB_LOG_EXPRESSIONS
Definition: Logging.h:22
This variable is resident in a location specifically allocated for it by LLDB in the target process...
const Scalar & GetScalar() const
Definition: Value.h:178
const char * AsCString(const char *default_error_str="unknown error") const
Get the error string associated with the current error.
Definition: Status.cpp:130
void InstallCodeGenerator(clang::ASTConsumer *code_gen)
virtual lldb::StackFrameSP GetStackFrameAtIndex(uint32_t idx)
Definition: Thread.h:395
ClangModulesDeclVendor * GetClangModulesDeclVendor()
Definition: Target.cpp:2488
ExecutionContextScope * GetBestExecutionContextScope() const
Block * block
The Block for a given query.
bool AddValueToStruct(const clang::NamedDecl *decl, ConstString name, llvm::Value *value, size_t size, lldb::offset_t alignment)
[Used by IRForTarget] Add a variable to the struct that needs to be materialized each time the expres...
void Printf(const char *format,...) __attribute__((format(printf
Definition: Log.cpp:113
CompilerType GetBasicType(lldb::BasicType type)
"lldb/Expression/ClangExpressionVariable.h" Encapsulates one variable for the expression parser...
static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope, const lldb::VariableSP &var_sp)
bool GetExpressionData(DataExtractor &data) const
const clang::DeclContext * m_decl_context
The DeclContext to put declarations into.
PersistentExpressionState * GetPersistentExpressionStateForLanguage(lldb::LanguageType language)
Definition: Target.cpp:2206
This base class provides an interface to stack frames.
Definition: StackFrame.h:40
void AddNamedDecl(clang::NamedDecl *decl)
Add a NamedDecl to the list of results.
clang::ExternalASTMerger & GetMergerUnchecked()
void Clear()
Clear this object&#39;s state.
Definition: ConstString.h:263
static clang::CXXMethodDecl * DeclContextGetAsCXXMethodDecl(const CompilerDeclContext &dc)
An error handling class.
Definition: Status.h:44
clang::CXXMethodDecl * AddMethodToCXXRecordType(lldb::opaque_compiler_type_t type, const char *name, const char *mangled_name, const CompilerType &method_type, lldb::AccessType access, bool is_virtual, bool is_static, bool is_inline, bool is_explicit, bool is_attr_used, bool is_artificial)