1 //===-- ClangExpressionDeclMap.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 #include "lldb/Expression/ClangExpressionDeclMap.h"
11
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "clang/AST/ASTContext.h"
17 #include "clang/AST/DeclarationName.h"
18 #include "clang/AST/Decl.h"
19 #include "lldb/lldb-private.h"
20 #include "lldb/Core/Address.h"
21 #include "lldb/Core/Error.h"
22 #include "lldb/Core/Log.h"
23 #include "lldb/Core/Module.h"
24 #include "lldb/Core/ModuleSpec.h"
25 #include "lldb/Core/RegisterValue.h"
26 #include "lldb/Core/ValueObjectConstResult.h"
27 #include "lldb/Core/ValueObjectVariable.h"
28 #include "lldb/Expression/ASTDumper.h"
29 #include "lldb/Expression/ClangASTSource.h"
30 #include "lldb/Expression/ClangPersistentVariables.h"
31 #include "lldb/Expression/Materializer.h"
32 #include "lldb/Host/Endian.h"
33 #include "lldb/Symbol/ClangASTContext.h"
34 #include "lldb/Symbol/ClangNamespaceDecl.h"
35 #include "lldb/Symbol/CompileUnit.h"
36 #include "lldb/Symbol/Function.h"
37 #include "lldb/Symbol/ObjectFile.h"
38 #include "lldb/Symbol/SymbolContext.h"
39 #include "lldb/Symbol/SymbolVendor.h"
40 #include "lldb/Symbol/Type.h"
41 #include "lldb/Symbol/TypeList.h"
42 #include "lldb/Symbol/Variable.h"
43 #include "lldb/Symbol/VariableList.h"
44 #include "lldb/Target/ExecutionContext.h"
45 #include "lldb/Target/ObjCLanguageRuntime.h"
46 #include "lldb/Target/Process.h"
47 #include "lldb/Target/RegisterContext.h"
48 #include "lldb/Target/StackFrame.h"
49 #include "lldb/Target/Target.h"
50 #include "lldb/Target/Thread.h"
51
52 using namespace lldb;
53 using namespace lldb_private;
54 using namespace clang;
55
ClangExpressionDeclMap(bool keep_result_in_memory,ExecutionContext & exe_ctx)56 ClangExpressionDeclMap::ClangExpressionDeclMap (bool keep_result_in_memory, ExecutionContext &exe_ctx) :
57 ClangASTSource (exe_ctx.GetTargetSP()),
58 m_found_entities (),
59 m_struct_members (),
60 m_keep_result_in_memory (keep_result_in_memory),
61 m_parser_vars (),
62 m_struct_vars ()
63 {
64 EnableStructVars();
65 }
66
~ClangExpressionDeclMap()67 ClangExpressionDeclMap::~ClangExpressionDeclMap()
68 {
69 // Note: The model is now that the parser's AST context and all associated
70 // data does not vanish until the expression has been executed. This means
71 // that valuable lookup data (like namespaces) doesn't vanish, but
72
73 DidParse();
74 DisableStructVars();
75 }
76
77 bool
WillParse(ExecutionContext & exe_ctx,Materializer * materializer)78 ClangExpressionDeclMap::WillParse(ExecutionContext &exe_ctx,
79 Materializer *materializer)
80 {
81 ClangASTMetrics::ClearLocalCounters();
82
83 EnableParserVars();
84 m_parser_vars->m_exe_ctx = exe_ctx;
85
86 Target *target = exe_ctx.GetTargetPtr();
87 if (exe_ctx.GetFramePtr())
88 m_parser_vars->m_sym_ctx = exe_ctx.GetFramePtr()->GetSymbolContext(lldb::eSymbolContextEverything);
89 else if (exe_ctx.GetThreadPtr() && exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0))
90 m_parser_vars->m_sym_ctx = exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0)->GetSymbolContext(lldb::eSymbolContextEverything);
91 else if (exe_ctx.GetProcessPtr())
92 {
93 m_parser_vars->m_sym_ctx.Clear(true);
94 m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP();
95 }
96 else if (target)
97 {
98 m_parser_vars->m_sym_ctx.Clear(true);
99 m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP();
100 }
101
102 if (target)
103 {
104 m_parser_vars->m_persistent_vars = &target->GetPersistentVariables();
105
106 if (!target->GetScratchClangASTContext())
107 return false;
108 }
109
110 m_parser_vars->m_target_info = GetTargetInfo();
111 m_parser_vars->m_materializer = materializer;
112
113 return true;
114 }
115
116 void
DidParse()117 ClangExpressionDeclMap::DidParse()
118 {
119 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
120
121 if (log)
122 ClangASTMetrics::DumpCounters(log);
123
124 if (m_parser_vars.get())
125 {
126 for (size_t entity_index = 0, num_entities = m_found_entities.GetSize();
127 entity_index < num_entities;
128 ++entity_index)
129 {
130 ClangExpressionVariableSP var_sp(m_found_entities.GetVariableAtIndex(entity_index));
131 if (var_sp)
132 var_sp->DisableParserVars(GetParserID());
133 }
134
135 for (size_t pvar_index = 0, num_pvars = m_parser_vars->m_persistent_vars->GetSize();
136 pvar_index < num_pvars;
137 ++pvar_index)
138 {
139 ClangExpressionVariableSP pvar_sp(m_parser_vars->m_persistent_vars->GetVariableAtIndex(pvar_index));
140 if (pvar_sp)
141 pvar_sp->DisableParserVars(GetParserID());
142 }
143
144 DisableParserVars();
145 }
146 }
147
148 // Interface for IRForTarget
149
150 ClangExpressionDeclMap::TargetInfo
GetTargetInfo()151 ClangExpressionDeclMap::GetTargetInfo()
152 {
153 assert (m_parser_vars.get());
154
155 TargetInfo ret;
156
157 ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
158
159 Process *process = exe_ctx.GetProcessPtr();
160 if (process)
161 {
162 ret.byte_order = process->GetByteOrder();
163 ret.address_byte_size = process->GetAddressByteSize();
164 }
165 else
166 {
167 Target *target = exe_ctx.GetTargetPtr();
168 if (target)
169 {
170 ret.byte_order = target->GetArchitecture().GetByteOrder();
171 ret.address_byte_size = target->GetArchitecture().GetAddressByteSize();
172 }
173 }
174
175 return ret;
176 }
177
178 bool
AddPersistentVariable(const NamedDecl * decl,const ConstString & name,TypeFromParser parser_type,bool is_result,bool is_lvalue)179 ClangExpressionDeclMap::AddPersistentVariable
180 (
181 const NamedDecl *decl,
182 const ConstString &name,
183 TypeFromParser parser_type,
184 bool is_result,
185 bool is_lvalue
186 )
187 {
188 assert (m_parser_vars.get());
189
190 if (m_parser_vars->m_materializer && is_result)
191 {
192 Error err;
193
194 ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
195 Target *target = exe_ctx.GetTargetPtr();
196 if (target == NULL)
197 return false;
198
199 ASTContext *context(target->GetScratchClangASTContext()->getASTContext());
200
201 TypeFromUser user_type(m_ast_importer->DeportType(context,
202 parser_type.GetASTContext(),
203 parser_type.GetOpaqueQualType()),
204 context);
205
206 uint32_t offset = m_parser_vars->m_materializer->AddResultVariable(user_type, is_lvalue, m_keep_result_in_memory, err);
207
208 ClangExpressionVariableSP var_sp = m_found_entities.CreateVariable(exe_ctx.GetBestExecutionContextScope(),
209 name,
210 user_type,
211 m_parser_vars->m_target_info.byte_order,
212 m_parser_vars->m_target_info.address_byte_size);
213
214 if (!var_sp)
215 return false;
216
217 var_sp->EnableParserVars(GetParserID());
218
219 ClangExpressionVariable::ParserVars *parser_vars = var_sp->GetParserVars(GetParserID());
220
221 parser_vars->m_named_decl = decl;
222 parser_vars->m_parser_type = parser_type;
223
224 var_sp->EnableJITVars(GetParserID());
225
226 ClangExpressionVariable::JITVars *jit_vars = var_sp->GetJITVars(GetParserID());
227
228 jit_vars->m_offset = offset;
229
230 return true;
231 }
232
233 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
234 ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
235 Target *target = exe_ctx.GetTargetPtr();
236 if (target == NULL)
237 return false;
238
239 ASTContext *context(target->GetScratchClangASTContext()->getASTContext());
240
241 TypeFromUser user_type(m_ast_importer->DeportType(context,
242 parser_type.GetASTContext(),
243 parser_type.GetOpaqueQualType()),
244 context);
245
246 if (!user_type.GetOpaqueQualType())
247 {
248 if (log)
249 log->Printf("Persistent variable's type wasn't copied successfully");
250 return false;
251 }
252
253 if (!m_parser_vars->m_target_info.IsValid())
254 return false;
255
256 ClangExpressionVariableSP var_sp = m_parser_vars->m_persistent_vars->CreatePersistentVariable (exe_ctx.GetBestExecutionContextScope (),
257 name,
258 user_type,
259 m_parser_vars->m_target_info.byte_order,
260 m_parser_vars->m_target_info.address_byte_size);
261
262 if (!var_sp)
263 return false;
264
265 var_sp->m_frozen_sp->SetHasCompleteType();
266
267 if (is_result)
268 var_sp->m_flags |= ClangExpressionVariable::EVNeedsFreezeDry;
269 else
270 var_sp->m_flags |= ClangExpressionVariable::EVKeepInTarget; // explicitly-declared persistent variables should persist
271
272 if (is_lvalue)
273 {
274 var_sp->m_flags |= ClangExpressionVariable::EVIsProgramReference;
275 }
276 else
277 {
278 var_sp->m_flags |= ClangExpressionVariable::EVIsLLDBAllocated;
279 var_sp->m_flags |= ClangExpressionVariable::EVNeedsAllocation;
280 }
281
282 if (m_keep_result_in_memory)
283 {
284 var_sp->m_flags |= ClangExpressionVariable::EVKeepInTarget;
285 }
286
287 if (log)
288 log->Printf("Created persistent variable with flags 0x%hx", var_sp->m_flags);
289
290 var_sp->EnableParserVars(GetParserID());
291
292 ClangExpressionVariable::ParserVars *parser_vars = var_sp->GetParserVars(GetParserID());
293
294 parser_vars->m_named_decl = decl;
295 parser_vars->m_parser_type = parser_type;
296
297 return true;
298 }
299
300 bool
AddValueToStruct(const NamedDecl * decl,const ConstString & name,llvm::Value * value,size_t size,off_t alignment)301 ClangExpressionDeclMap::AddValueToStruct
302 (
303 const NamedDecl *decl,
304 const ConstString &name,
305 llvm::Value *value,
306 size_t size,
307 off_t alignment
308 )
309 {
310 assert (m_struct_vars.get());
311 assert (m_parser_vars.get());
312
313 bool is_persistent_variable = false;
314
315 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
316
317 m_struct_vars->m_struct_laid_out = false;
318
319 if (m_struct_members.GetVariable(decl, GetParserID()))
320 return true;
321
322 ClangExpressionVariableSP var_sp (m_found_entities.GetVariable(decl, GetParserID()));
323
324 if (!var_sp)
325 {
326 var_sp = m_parser_vars->m_persistent_vars->GetVariable(decl, GetParserID());
327 is_persistent_variable = true;
328 }
329
330 if (!var_sp)
331 return false;
332
333 if (log)
334 log->Printf("Adding value for (NamedDecl*)%p [%s - %s] to the structure",
335 decl,
336 name.GetCString(),
337 var_sp->GetName().GetCString());
338
339 // We know entity->m_parser_vars is valid because we used a parser variable
340 // to find it
341
342 ClangExpressionVariable::ParserVars *parser_vars = var_sp->GetParserVars(GetParserID());
343
344 parser_vars->m_llvm_value = value;
345
346 if (ClangExpressionVariable::JITVars *jit_vars = var_sp->GetJITVars(GetParserID()))
347 {
348 // We already laid this out; do not touch
349
350 if (log)
351 log->Printf("Already placed at 0x%llx", (unsigned long long)jit_vars->m_offset);
352 }
353
354 var_sp->EnableJITVars(GetParserID());
355
356 ClangExpressionVariable::JITVars *jit_vars = var_sp->GetJITVars(GetParserID());
357
358 jit_vars->m_alignment = alignment;
359 jit_vars->m_size = size;
360
361 m_struct_members.AddVariable(var_sp);
362
363 if (m_parser_vars->m_materializer)
364 {
365 uint32_t offset = 0;
366
367 Error err;
368
369 if (is_persistent_variable)
370 {
371 offset = m_parser_vars->m_materializer->AddPersistentVariable(var_sp, err);
372 }
373 else
374 {
375 if (const lldb_private::Symbol *sym = parser_vars->m_lldb_sym)
376 offset = m_parser_vars->m_materializer->AddSymbol(*sym, err);
377 else if (const RegisterInfo *reg_info = var_sp->GetRegisterInfo())
378 offset = m_parser_vars->m_materializer->AddRegister(*reg_info, err);
379 else if (parser_vars->m_lldb_var)
380 offset = m_parser_vars->m_materializer->AddVariable(parser_vars->m_lldb_var, err);
381 }
382
383 if (!err.Success())
384 return false;
385
386 if (log)
387 log->Printf("Placed at 0x%llx", (unsigned long long)offset);
388
389 jit_vars->m_offset = offset; // TODO DoStructLayout() should not change this.
390 }
391
392 return true;
393 }
394
395 bool
DoStructLayout()396 ClangExpressionDeclMap::DoStructLayout ()
397 {
398 assert (m_struct_vars.get());
399
400 if (m_struct_vars->m_struct_laid_out)
401 return true;
402
403 if (!m_parser_vars->m_materializer)
404 return false;
405
406 m_struct_vars->m_struct_alignment = m_parser_vars->m_materializer->GetStructAlignment();
407 m_struct_vars->m_struct_size = m_parser_vars->m_materializer->GetStructByteSize();
408 m_struct_vars->m_struct_laid_out = true;
409 return true;
410 }
411
GetStructInfo(uint32_t & num_elements,size_t & size,off_t & alignment)412 bool ClangExpressionDeclMap::GetStructInfo
413 (
414 uint32_t &num_elements,
415 size_t &size,
416 off_t &alignment
417 )
418 {
419 assert (m_struct_vars.get());
420
421 if (!m_struct_vars->m_struct_laid_out)
422 return false;
423
424 num_elements = m_struct_members.GetSize();
425 size = m_struct_vars->m_struct_size;
426 alignment = m_struct_vars->m_struct_alignment;
427
428 return true;
429 }
430
431 bool
GetStructElement(const NamedDecl * & decl,llvm::Value * & value,off_t & offset,ConstString & name,uint32_t index)432 ClangExpressionDeclMap::GetStructElement
433 (
434 const NamedDecl *&decl,
435 llvm::Value *&value,
436 off_t &offset,
437 ConstString &name,
438 uint32_t index
439 )
440 {
441 assert (m_struct_vars.get());
442
443 if (!m_struct_vars->m_struct_laid_out)
444 return false;
445
446 if (index >= m_struct_members.GetSize())
447 return false;
448
449 ClangExpressionVariableSP member_sp(m_struct_members.GetVariableAtIndex(index));
450
451 if (!member_sp)
452 return false;
453
454 ClangExpressionVariable::ParserVars *parser_vars = member_sp->GetParserVars(GetParserID());
455 ClangExpressionVariable::JITVars *jit_vars = member_sp->GetJITVars(GetParserID());
456
457 if (!parser_vars ||
458 !jit_vars ||
459 !member_sp->GetValueObject())
460 return false;
461
462 decl = parser_vars->m_named_decl;
463 value = parser_vars->m_llvm_value;
464 offset = jit_vars->m_offset;
465 name = member_sp->GetName();
466
467 return true;
468 }
469
470 bool
GetFunctionInfo(const NamedDecl * decl,uint64_t & ptr)471 ClangExpressionDeclMap::GetFunctionInfo
472 (
473 const NamedDecl *decl,
474 uint64_t &ptr
475 )
476 {
477 ClangExpressionVariableSP entity_sp(m_found_entities.GetVariable(decl, GetParserID()));
478
479 if (!entity_sp)
480 return false;
481
482 // We know m_parser_vars is valid since we searched for the variable by
483 // its NamedDecl
484
485 ClangExpressionVariable::ParserVars *parser_vars = entity_sp->GetParserVars(GetParserID());
486
487 ptr = parser_vars->m_lldb_value.GetScalar().ULongLong();
488
489 return true;
490 }
491
492 static void
FindCodeSymbolInContext(const ConstString & name,SymbolContext & sym_ctx,SymbolContextList & sc_list)493 FindCodeSymbolInContext
494 (
495 const ConstString &name,
496 SymbolContext &sym_ctx,
497 SymbolContextList &sc_list
498 )
499 {
500 SymbolContextList temp_sc_list;
501 if (sym_ctx.module_sp)
502 sym_ctx.module_sp->FindSymbolsWithNameAndType(name, eSymbolTypeAny, temp_sc_list);
503
504 if (!sc_list.GetSize() && sym_ctx.target_sp)
505 sym_ctx.target_sp->GetImages().FindSymbolsWithNameAndType(name, eSymbolTypeAny, temp_sc_list);
506
507 unsigned temp_sc_list_size = temp_sc_list.GetSize();
508 for (unsigned i = 0; i < temp_sc_list_size; i++)
509 {
510 SymbolContext sym_ctx;
511 temp_sc_list.GetContextAtIndex(i, sym_ctx);
512 if (sym_ctx.symbol)
513 {
514 switch (sym_ctx.symbol->GetType())
515 {
516 case eSymbolTypeCode:
517 case eSymbolTypeResolver:
518 case eSymbolTypeReExported:
519 sc_list.Append(sym_ctx);
520 break;
521
522 default:
523 break;
524 }
525 }
526 }
527 }
528
529 bool
GetFunctionAddress(const ConstString & name,uint64_t & func_addr)530 ClangExpressionDeclMap::GetFunctionAddress
531 (
532 const ConstString &name,
533 uint64_t &func_addr
534 )
535 {
536 assert (m_parser_vars.get());
537
538 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
539 ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx;
540 Target *target = exe_ctx.GetTargetPtr();
541 // Back out in all cases where we're not fully initialized
542 if (target == NULL)
543 return false;
544 if (!m_parser_vars->m_sym_ctx.target_sp)
545 return false;
546
547 SymbolContextList sc_list;
548
549 FindCodeSymbolInContext(name, m_parser_vars->m_sym_ctx, sc_list);
550
551 uint32_t sc_list_size = sc_list.GetSize();
552 if (sc_list_size == 0)
553 {
554 // We occasionally get debug information in which a const function is reported
555 // as non-const, so the mangled name is wrong. This is a hack to compensate.
556
557 if (!strncmp(name.GetCString(), "_ZN", 3) &&
558 strncmp(name.GetCString(), "_ZNK", 4))
559 {
560 std::string fixed_scratch("_ZNK");
561 fixed_scratch.append(name.GetCString() + 3);
562 ConstString fixed_name(fixed_scratch.c_str());
563
564 if (log)
565 log->Printf("Failed to find symbols given non-const name %s; trying %s", name.GetCString(), fixed_name.GetCString());
566
567 FindCodeSymbolInContext(fixed_name, m_parser_vars->m_sym_ctx, sc_list);
568 sc_list_size = sc_list.GetSize();
569 }
570 }
571
572 for (uint32_t i=0; i<sc_list_size; ++i)
573 {
574 SymbolContext sym_ctx;
575 sc_list.GetContextAtIndex(i, sym_ctx);
576
577 const Address *func_so_addr = NULL;
578 bool is_indirect_function = false;
579 if (sym_ctx.function)
580 func_so_addr = &sym_ctx.function->GetAddressRange().GetBaseAddress();
581 else if (sym_ctx.symbol)
582 {
583 if (sym_ctx.symbol->GetType() == eSymbolTypeReExported)
584 {
585 Symbol *reexported_symbol = sym_ctx.symbol->ResolveReExportedSymbol(*target);
586 if (reexported_symbol)
587 {
588 func_so_addr = &reexported_symbol->GetAddress();
589 is_indirect_function = reexported_symbol->IsIndirect();
590 }
591 }
592 else
593 {
594 func_so_addr = &sym_ctx.symbol->GetAddress();
595 is_indirect_function = sym_ctx.symbol->IsIndirect();
596 }
597 }
598
599 if (func_so_addr && func_so_addr->IsValid())
600 {
601 lldb::addr_t load_addr = func_so_addr->GetCallableLoadAddress (target, is_indirect_function);
602
603 if (load_addr != LLDB_INVALID_ADDRESS)
604 {
605 func_addr = load_addr;
606 return true;
607 }
608 }
609 }
610 return false;
611 }
612
613 addr_t
GetSymbolAddress(Target & target,Process * process,const ConstString & name,lldb::SymbolType symbol_type,lldb_private::Module * module)614 ClangExpressionDeclMap::GetSymbolAddress (Target &target,
615 Process *process,
616 const ConstString &name,
617 lldb::SymbolType symbol_type,
618 lldb_private::Module *module)
619 {
620 SymbolContextList sc_list;
621
622 if (module)
623 module->FindSymbolsWithNameAndType(name, symbol_type, sc_list);
624 else
625 target.GetImages().FindSymbolsWithNameAndType(name, symbol_type, sc_list);
626
627 const uint32_t num_matches = sc_list.GetSize();
628 addr_t symbol_load_addr = LLDB_INVALID_ADDRESS;
629
630 for (uint32_t i=0; i<num_matches && (symbol_load_addr == 0 || symbol_load_addr == LLDB_INVALID_ADDRESS); i++)
631 {
632 SymbolContext sym_ctx;
633 sc_list.GetContextAtIndex(i, sym_ctx);
634
635 const Address *sym_address = &sym_ctx.symbol->GetAddress();
636
637 if (!sym_address || !sym_address->IsValid())
638 continue;
639
640 if (sym_address)
641 {
642 switch (sym_ctx.symbol->GetType())
643 {
644 case eSymbolTypeCode:
645 case eSymbolTypeTrampoline:
646 symbol_load_addr = sym_address->GetCallableLoadAddress (&target);
647 break;
648
649 case eSymbolTypeResolver:
650 symbol_load_addr = sym_address->GetCallableLoadAddress (&target, true);
651 break;
652
653 case eSymbolTypeReExported:
654 {
655 ConstString reexport_name = sym_ctx.symbol->GetReExportedSymbolName();
656 if (reexport_name)
657 {
658 ModuleSP reexport_module_sp;
659 ModuleSpec reexport_module_spec;
660 reexport_module_spec.GetPlatformFileSpec() = sym_ctx.symbol->GetReExportedSymbolSharedLibrary();
661 if (reexport_module_spec.GetPlatformFileSpec())
662 {
663 reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
664 if (!reexport_module_sp)
665 {
666 reexport_module_spec.GetPlatformFileSpec().GetDirectory().Clear();
667 reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
668 }
669 }
670 symbol_load_addr = GetSymbolAddress(target, process, sym_ctx.symbol->GetReExportedSymbolName(), symbol_type, reexport_module_sp.get());
671 }
672 }
673 break;
674
675 case eSymbolTypeData:
676 case eSymbolTypeRuntime:
677 case eSymbolTypeVariable:
678 case eSymbolTypeLocal:
679 case eSymbolTypeParam:
680 case eSymbolTypeInvalid:
681 case eSymbolTypeAbsolute:
682 case eSymbolTypeException:
683 case eSymbolTypeSourceFile:
684 case eSymbolTypeHeaderFile:
685 case eSymbolTypeObjectFile:
686 case eSymbolTypeCommonBlock:
687 case eSymbolTypeBlock:
688 case eSymbolTypeVariableType:
689 case eSymbolTypeLineEntry:
690 case eSymbolTypeLineHeader:
691 case eSymbolTypeScopeBegin:
692 case eSymbolTypeScopeEnd:
693 case eSymbolTypeAdditional:
694 case eSymbolTypeCompiler:
695 case eSymbolTypeInstrumentation:
696 case eSymbolTypeUndefined:
697 case eSymbolTypeObjCClass:
698 case eSymbolTypeObjCMetaClass:
699 case eSymbolTypeObjCIVar:
700 symbol_load_addr = sym_address->GetLoadAddress (&target);
701 break;
702 }
703 }
704 }
705
706 if (symbol_load_addr == LLDB_INVALID_ADDRESS && process)
707 {
708 ObjCLanguageRuntime *runtime = process->GetObjCLanguageRuntime();
709
710 if (runtime)
711 {
712 symbol_load_addr = runtime->LookupRuntimeSymbol(name);
713 }
714 }
715
716 return symbol_load_addr;
717 }
718
719 addr_t
GetSymbolAddress(const ConstString & name,lldb::SymbolType symbol_type)720 ClangExpressionDeclMap::GetSymbolAddress (const ConstString &name, lldb::SymbolType symbol_type)
721 {
722 assert (m_parser_vars.get());
723
724 if (!m_parser_vars->m_exe_ctx.GetTargetPtr())
725 return false;
726
727 return GetSymbolAddress(m_parser_vars->m_exe_ctx.GetTargetRef(), m_parser_vars->m_exe_ctx.GetProcessPtr(), name, symbol_type);
728 }
729
730 const Symbol *
FindGlobalDataSymbol(Target & target,const ConstString & name,lldb_private::Module * module)731 ClangExpressionDeclMap::FindGlobalDataSymbol (Target &target,
732 const ConstString &name,
733 lldb_private::Module *module)
734 {
735 SymbolContextList sc_list;
736
737 if (module)
738 module->FindSymbolsWithNameAndType(name, eSymbolTypeAny, sc_list);
739 else
740 target.GetImages().FindSymbolsWithNameAndType(name, eSymbolTypeAny, sc_list);
741
742 const uint32_t matches = sc_list.GetSize();
743 for (uint32_t i=0; i<matches; ++i)
744 {
745 SymbolContext sym_ctx;
746 sc_list.GetContextAtIndex(i, sym_ctx);
747 if (sym_ctx.symbol)
748 {
749 const Symbol *symbol = sym_ctx.symbol;
750 const Address *sym_address = &symbol->GetAddress();
751
752 if (sym_address && sym_address->IsValid())
753 {
754 switch (symbol->GetType())
755 {
756 case eSymbolTypeData:
757 case eSymbolTypeRuntime:
758 case eSymbolTypeAbsolute:
759 case eSymbolTypeObjCClass:
760 case eSymbolTypeObjCMetaClass:
761 case eSymbolTypeObjCIVar:
762 if (symbol->GetDemangledNameIsSynthesized())
763 {
764 // If the demangled name was synthesized, then don't use it
765 // for expressions. Only let the symbol match if the mangled
766 // named matches for these symbols.
767 if (symbol->GetMangled().GetMangledName() != name)
768 break;
769 }
770 return symbol;
771
772 case eSymbolTypeReExported:
773 {
774 ConstString reexport_name = symbol->GetReExportedSymbolName();
775 if (reexport_name)
776 {
777 ModuleSP reexport_module_sp;
778 ModuleSpec reexport_module_spec;
779 reexport_module_spec.GetPlatformFileSpec() = symbol->GetReExportedSymbolSharedLibrary();
780 if (reexport_module_spec.GetPlatformFileSpec())
781 {
782 reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
783 if (!reexport_module_sp)
784 {
785 reexport_module_spec.GetPlatformFileSpec().GetDirectory().Clear();
786 reexport_module_sp = target.GetImages().FindFirstModule(reexport_module_spec);
787 }
788 }
789 return FindGlobalDataSymbol(target, symbol->GetReExportedSymbolName(), reexport_module_sp.get());
790 }
791 }
792 break;
793
794 case eSymbolTypeCode: // We already lookup functions elsewhere
795 case eSymbolTypeVariable:
796 case eSymbolTypeLocal:
797 case eSymbolTypeParam:
798 case eSymbolTypeTrampoline:
799 case eSymbolTypeInvalid:
800 case eSymbolTypeException:
801 case eSymbolTypeSourceFile:
802 case eSymbolTypeHeaderFile:
803 case eSymbolTypeObjectFile:
804 case eSymbolTypeCommonBlock:
805 case eSymbolTypeBlock:
806 case eSymbolTypeVariableType:
807 case eSymbolTypeLineEntry:
808 case eSymbolTypeLineHeader:
809 case eSymbolTypeScopeBegin:
810 case eSymbolTypeScopeEnd:
811 case eSymbolTypeAdditional:
812 case eSymbolTypeCompiler:
813 case eSymbolTypeInstrumentation:
814 case eSymbolTypeUndefined:
815 case eSymbolTypeResolver:
816 break;
817 }
818 }
819 }
820 }
821
822 return NULL;
823 }
824
825 lldb::VariableSP
FindGlobalVariable(Target & target,ModuleSP & module,const ConstString & name,ClangNamespaceDecl * namespace_decl,TypeFromUser * type)826 ClangExpressionDeclMap::FindGlobalVariable
827 (
828 Target &target,
829 ModuleSP &module,
830 const ConstString &name,
831 ClangNamespaceDecl *namespace_decl,
832 TypeFromUser *type
833 )
834 {
835 VariableList vars;
836
837 if (module && namespace_decl)
838 module->FindGlobalVariables (name, namespace_decl, true, -1, vars);
839 else
840 target.GetImages().FindGlobalVariables(name, true, -1, vars);
841
842 if (vars.GetSize())
843 {
844 if (type)
845 {
846 for (size_t i = 0; i < vars.GetSize(); ++i)
847 {
848 VariableSP var_sp = vars.GetVariableAtIndex(i);
849
850 if (ClangASTContext::AreTypesSame(*type, var_sp->GetType()->GetClangFullType()))
851 return var_sp;
852 }
853 }
854 else
855 {
856 return vars.GetVariableAtIndex(0);
857 }
858 }
859
860 return VariableSP();
861 }
862
863 // Interface for ClangASTSource
864
865 void
FindExternalVisibleDecls(NameSearchContext & context)866 ClangExpressionDeclMap::FindExternalVisibleDecls (NameSearchContext &context)
867 {
868 assert (m_ast_context);
869
870 ClangASTMetrics::RegisterVisibleQuery();
871
872 const ConstString name(context.m_decl_name.getAsString().c_str());
873
874 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
875
876 if (GetImportInProgress())
877 {
878 if (log && log->GetVerbose())
879 log->Printf("Ignoring a query during an import");
880 return;
881 }
882
883 static unsigned int invocation_id = 0;
884 unsigned int current_id = invocation_id++;
885
886 if (log)
887 {
888 if (!context.m_decl_context)
889 log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for '%s' in a NULL DeclContext", current_id, name.GetCString());
890 else if (const NamedDecl *context_named_decl = dyn_cast<NamedDecl>(context.m_decl_context))
891 log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for '%s' in '%s'", current_id, name.GetCString(), context_named_decl->getNameAsString().c_str());
892 else
893 log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for '%s' in a '%s'", current_id, name.GetCString(), context.m_decl_context->getDeclKindName());
894 }
895
896 if (const NamespaceDecl *namespace_context = dyn_cast<NamespaceDecl>(context.m_decl_context))
897 {
898 ClangASTImporter::NamespaceMapSP namespace_map = m_ast_importer->GetNamespaceMap(namespace_context);
899
900 if (log && log->GetVerbose())
901 log->Printf(" CEDM::FEVD[%u] Inspecting (NamespaceMap*)%p (%d entries)",
902 current_id,
903 namespace_map.get(),
904 (int)namespace_map->size());
905
906 if (!namespace_map)
907 return;
908
909 for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(), e = namespace_map->end();
910 i != e;
911 ++i)
912 {
913 if (log)
914 log->Printf(" CEDM::FEVD[%u] Searching namespace %s in module %s",
915 current_id,
916 i->second.GetNamespaceDecl()->getNameAsString().c_str(),
917 i->first->GetFileSpec().GetFilename().GetCString());
918
919 FindExternalVisibleDecls(context,
920 i->first,
921 i->second,
922 current_id);
923 }
924 }
925 else if (isa<TranslationUnitDecl>(context.m_decl_context))
926 {
927 ClangNamespaceDecl namespace_decl;
928
929 if (log)
930 log->Printf(" CEDM::FEVD[%u] Searching the root namespace", current_id);
931
932 FindExternalVisibleDecls(context,
933 lldb::ModuleSP(),
934 namespace_decl,
935 current_id);
936 }
937
938 if (!context.m_found.variable)
939 ClangASTSource::FindExternalVisibleDecls(context);
940 }
941
942 void
FindExternalVisibleDecls(NameSearchContext & context,lldb::ModuleSP module_sp,ClangNamespaceDecl & namespace_decl,unsigned int current_id)943 ClangExpressionDeclMap::FindExternalVisibleDecls (NameSearchContext &context,
944 lldb::ModuleSP module_sp,
945 ClangNamespaceDecl &namespace_decl,
946 unsigned int current_id)
947 {
948 assert (m_ast_context);
949
950 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
951
952 SymbolContextList sc_list;
953
954 const ConstString name(context.m_decl_name.getAsString().c_str());
955
956 const char *name_unique_cstr = name.GetCString();
957
958 if (name_unique_cstr == NULL)
959 return;
960
961 static ConstString id_name("id");
962 static ConstString Class_name("Class");
963
964 if (name == id_name || name == Class_name)
965 return;
966
967 // Only look for functions by name out in our symbols if the function
968 // doesn't start with our phony prefix of '$'
969 Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
970 StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr();
971 if (name_unique_cstr[0] == '$' && !namespace_decl)
972 {
973 static ConstString g_lldb_class_name ("$__lldb_class");
974
975 if (name == g_lldb_class_name)
976 {
977 // Clang is looking for the type of "this"
978
979 if (frame == NULL)
980 return;
981
982 SymbolContext sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction);
983
984 if (!sym_ctx.function)
985 return;
986
987 // Get the block that defines the function
988 Block *function_block = sym_ctx.GetFunctionBlock();
989
990 if (!function_block)
991 return;
992
993 clang::DeclContext *decl_context = function_block->GetClangDeclContext();
994
995 if (!decl_context)
996 return;
997
998 clang::CXXMethodDecl *method_decl = llvm::dyn_cast<clang::CXXMethodDecl>(decl_context);
999
1000 if (method_decl)
1001 {
1002 clang::CXXRecordDecl *class_decl = method_decl->getParent();
1003
1004 QualType class_qual_type(class_decl->getTypeForDecl(), 0);
1005
1006 TypeFromUser class_user_type (class_qual_type.getAsOpaquePtr(),
1007 &class_decl->getASTContext());
1008
1009 if (log)
1010 {
1011 ASTDumper ast_dumper(class_qual_type);
1012 log->Printf(" CEDM::FEVD[%u] Adding type for $__lldb_class: %s", current_id, ast_dumper.GetCString());
1013 }
1014
1015 TypeFromParser class_type = CopyClassType(class_user_type, current_id);
1016
1017 if (!class_type.IsValid())
1018 return;
1019
1020 TypeSourceInfo *type_source_info = m_ast_context->getTrivialTypeSourceInfo(QualType::getFromOpaquePtr(class_type.GetOpaqueQualType()));
1021
1022 if (!type_source_info)
1023 return;
1024
1025 TypedefDecl *typedef_decl = TypedefDecl::Create(*m_ast_context,
1026 m_ast_context->getTranslationUnitDecl(),
1027 SourceLocation(),
1028 SourceLocation(),
1029 context.m_decl_name.getAsIdentifierInfo(),
1030 type_source_info);
1031
1032
1033 if (!typedef_decl)
1034 return;
1035
1036 context.AddNamedDecl(typedef_decl);
1037
1038 if (method_decl->isInstance())
1039 {
1040 // self is a pointer to the object
1041
1042 QualType class_pointer_type = method_decl->getASTContext().getPointerType(class_qual_type);
1043
1044 TypeFromUser self_user_type(class_pointer_type.getAsOpaquePtr(),
1045 &method_decl->getASTContext());
1046
1047 m_struct_vars->m_object_pointer_type = self_user_type;
1048 }
1049 }
1050 else
1051 {
1052 // This branch will get hit if we are executing code in the context of a function that
1053 // claims to have an object pointer (through DW_AT_object_pointer?) but is not formally a
1054 // method of the class. In that case, just look up the "this" variable in the the current
1055 // scope and use its type.
1056 // FIXME: This code is formally correct, but clang doesn't currently emit DW_AT_object_pointer
1057 // for C++ so it hasn't actually been tested.
1058
1059 VariableList *vars = frame->GetVariableList(false);
1060
1061 lldb::VariableSP this_var = vars->FindVariable(ConstString("this"));
1062
1063 if (this_var &&
1064 this_var->IsInScope(frame) &&
1065 this_var->LocationIsValidForFrame (frame))
1066 {
1067 Type *this_type = this_var->GetType();
1068
1069 if (!this_type)
1070 return;
1071
1072 ClangASTType pointee_type = this_type->GetClangForwardType().GetPointeeType();
1073
1074 if (pointee_type.IsValid())
1075 {
1076 if (log)
1077 {
1078 ASTDumper ast_dumper(this_type->GetClangFullType());
1079 log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", current_id, ast_dumper.GetCString());
1080 }
1081
1082 TypeFromUser class_user_type(pointee_type);
1083 AddOneType(context, class_user_type, current_id);
1084
1085
1086 TypeFromUser this_user_type(this_type->GetClangFullType());
1087 m_struct_vars->m_object_pointer_type = this_user_type;
1088 return;
1089 }
1090 }
1091 }
1092
1093 return;
1094 }
1095
1096 static ConstString g_lldb_objc_class_name ("$__lldb_objc_class");
1097 if (name == g_lldb_objc_class_name)
1098 {
1099 // Clang is looking for the type of "*self"
1100
1101 if (!frame)
1102 return;
1103
1104 SymbolContext sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction);
1105
1106 if (!sym_ctx.function)
1107 return;
1108
1109 // Get the block that defines the function
1110 Block *function_block = sym_ctx.GetFunctionBlock();
1111
1112 if (!function_block)
1113 return;
1114
1115 clang::DeclContext *decl_context = function_block->GetClangDeclContext();
1116
1117 if (!decl_context)
1118 return;
1119
1120 clang::ObjCMethodDecl *method_decl = llvm::dyn_cast<clang::ObjCMethodDecl>(decl_context);
1121
1122 if (method_decl)
1123 {
1124 ObjCInterfaceDecl* self_interface = method_decl->getClassInterface();
1125
1126 if (!self_interface)
1127 return;
1128
1129 const clang::Type *interface_type = self_interface->getTypeForDecl();
1130
1131 if (!interface_type)
1132 return; // This is unlikely, but we have seen crashes where this occurred
1133
1134 TypeFromUser class_user_type(QualType(interface_type, 0).getAsOpaquePtr(),
1135 &method_decl->getASTContext());
1136
1137 if (log)
1138 {
1139 ASTDumper ast_dumper(interface_type);
1140 log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", current_id, ast_dumper.GetCString());
1141 }
1142
1143 AddOneType(context, class_user_type, current_id);
1144
1145 if (method_decl->isInstanceMethod())
1146 {
1147 // self is a pointer to the object
1148
1149 QualType class_pointer_type = method_decl->getASTContext().getObjCObjectPointerType(QualType(interface_type, 0));
1150
1151 TypeFromUser self_user_type(class_pointer_type.getAsOpaquePtr(),
1152 &method_decl->getASTContext());
1153
1154 m_struct_vars->m_object_pointer_type = self_user_type;
1155 }
1156 else
1157 {
1158 // self is a Class pointer
1159 QualType class_type = method_decl->getASTContext().getObjCClassType();
1160
1161 TypeFromUser self_user_type(class_type.getAsOpaquePtr(),
1162 &method_decl->getASTContext());
1163
1164 m_struct_vars->m_object_pointer_type = self_user_type;
1165 }
1166
1167 return;
1168 }
1169 else
1170 {
1171 // This branch will get hit if we are executing code in the context of a function that
1172 // claims to have an object pointer (through DW_AT_object_pointer?) but is not formally a
1173 // method of the class. In that case, just look up the "self" variable in the the current
1174 // scope and use its type.
1175
1176 VariableList *vars = frame->GetVariableList(false);
1177
1178 lldb::VariableSP self_var = vars->FindVariable(ConstString("self"));
1179
1180 if (self_var &&
1181 self_var->IsInScope(frame) &&
1182 self_var->LocationIsValidForFrame (frame))
1183 {
1184 Type *self_type = self_var->GetType();
1185
1186 if (!self_type)
1187 return;
1188
1189 ClangASTType self_clang_type = self_type->GetClangFullType();
1190
1191 if (self_clang_type.IsObjCClassType())
1192 {
1193 return;
1194 }
1195 else if (self_clang_type.IsObjCObjectPointerType())
1196 {
1197 self_clang_type = self_clang_type.GetPointeeType();
1198
1199 if (!self_clang_type)
1200 return;
1201
1202 if (log)
1203 {
1204 ASTDumper ast_dumper(self_type->GetClangFullType());
1205 log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", current_id, ast_dumper.GetCString());
1206 }
1207
1208 TypeFromUser class_user_type (self_clang_type);
1209
1210 AddOneType(context, class_user_type, current_id);
1211
1212 TypeFromUser self_user_type(self_type->GetClangFullType());
1213
1214 m_struct_vars->m_object_pointer_type = self_user_type;
1215 return;
1216 }
1217 }
1218 }
1219
1220 return;
1221 }
1222
1223 // any other $__lldb names should be weeded out now
1224 if (!::strncmp(name_unique_cstr, "$__lldb", sizeof("$__lldb") - 1))
1225 return;
1226
1227 do
1228 {
1229 if (!target)
1230 break;
1231
1232 ClangASTContext *scratch_clang_ast_context = target->GetScratchClangASTContext();
1233
1234 if (!scratch_clang_ast_context)
1235 break;
1236
1237 ASTContext *scratch_ast_context = scratch_clang_ast_context->getASTContext();
1238
1239 if (!scratch_ast_context)
1240 break;
1241
1242 TypeDecl *ptype_type_decl = m_parser_vars->m_persistent_vars->GetPersistentType(name);
1243
1244 if (!ptype_type_decl)
1245 break;
1246
1247 Decl *parser_ptype_decl = m_ast_importer->CopyDecl(m_ast_context, scratch_ast_context, ptype_type_decl);
1248
1249 if (!parser_ptype_decl)
1250 break;
1251
1252 TypeDecl *parser_ptype_type_decl = dyn_cast<TypeDecl>(parser_ptype_decl);
1253
1254 if (!parser_ptype_type_decl)
1255 break;
1256
1257 if (log)
1258 log->Printf(" CEDM::FEVD[%u] Found persistent type %s", current_id, name.GetCString());
1259
1260 context.AddNamedDecl(parser_ptype_type_decl);
1261 } while (0);
1262
1263 ClangExpressionVariableSP pvar_sp(m_parser_vars->m_persistent_vars->GetVariable(name));
1264
1265 if (pvar_sp)
1266 {
1267 AddOneVariable(context, pvar_sp, current_id);
1268 return;
1269 }
1270
1271 const char *reg_name(&name.GetCString()[1]);
1272
1273 if (m_parser_vars->m_exe_ctx.GetRegisterContext())
1274 {
1275 const RegisterInfo *reg_info(m_parser_vars->m_exe_ctx.GetRegisterContext()->GetRegisterInfoByName(reg_name));
1276
1277 if (reg_info)
1278 {
1279 if (log)
1280 log->Printf(" CEDM::FEVD[%u] Found register %s", current_id, reg_info->name);
1281
1282 AddOneRegister(context, reg_info, current_id);
1283 }
1284 }
1285 }
1286 else
1287 {
1288 ValueObjectSP valobj;
1289 VariableSP var;
1290 Error err;
1291
1292 if (frame && !namespace_decl)
1293 {
1294 valobj = frame->GetValueForVariableExpressionPath(name_unique_cstr,
1295 eNoDynamicValues,
1296 StackFrame::eExpressionPathOptionCheckPtrVsMember ||
1297 StackFrame::eExpressionPathOptionsAllowDirectIVarAccess ||
1298 StackFrame::eExpressionPathOptionsNoFragileObjcIvar ||
1299 StackFrame::eExpressionPathOptionsNoSyntheticChildren ||
1300 StackFrame::eExpressionPathOptionsNoSyntheticArrayRange,
1301 var,
1302 err);
1303
1304 // If we found a variable in scope, no need to pull up function names
1305 if (err.Success() && var)
1306 {
1307 AddOneVariable(context, var, valobj, current_id);
1308 context.m_found.variable = true;
1309 return;
1310 }
1311 }
1312
1313 if (target)
1314 {
1315 var = FindGlobalVariable (*target,
1316 module_sp,
1317 name,
1318 &namespace_decl,
1319 NULL);
1320
1321 if (var)
1322 {
1323 valobj = ValueObjectVariable::Create(target, var);
1324 AddOneVariable(context, var, valobj, current_id);
1325 context.m_found.variable = true;
1326 return;
1327 }
1328 }
1329
1330 if (!context.m_found.variable)
1331 {
1332 const bool include_inlines = false;
1333 const bool append = false;
1334
1335 if (namespace_decl && module_sp)
1336 {
1337 const bool include_symbols = false;
1338
1339 module_sp->FindFunctions(name,
1340 &namespace_decl,
1341 eFunctionNameTypeBase,
1342 include_symbols,
1343 include_inlines,
1344 append,
1345 sc_list);
1346 }
1347 else if (target && !namespace_decl)
1348 {
1349 const bool include_symbols = true;
1350
1351 // TODO Fix FindFunctions so that it doesn't return
1352 // instance methods for eFunctionNameTypeBase.
1353
1354 target->GetImages().FindFunctions(name,
1355 eFunctionNameTypeFull,
1356 include_symbols,
1357 include_inlines,
1358 append,
1359 sc_list);
1360 }
1361
1362 if (sc_list.GetSize())
1363 {
1364 Symbol *extern_symbol = NULL;
1365 Symbol *non_extern_symbol = NULL;
1366
1367 for (uint32_t index = 0, num_indices = sc_list.GetSize();
1368 index < num_indices;
1369 ++index)
1370 {
1371 SymbolContext sym_ctx;
1372 sc_list.GetContextAtIndex(index, sym_ctx);
1373
1374 if (sym_ctx.function)
1375 {
1376 clang::DeclContext *decl_ctx = sym_ctx.function->GetClangDeclContext();
1377
1378 if (!decl_ctx)
1379 continue;
1380
1381 // Filter out class/instance methods.
1382 if (dyn_cast<clang::ObjCMethodDecl>(decl_ctx))
1383 continue;
1384 if (dyn_cast<clang::CXXMethodDecl>(decl_ctx))
1385 continue;
1386
1387 AddOneFunction(context, sym_ctx.function, NULL, current_id);
1388 context.m_found.function_with_type_info = true;
1389 context.m_found.function = true;
1390 }
1391 else if (sym_ctx.symbol)
1392 {
1393 if (sym_ctx.symbol->GetType() == eSymbolTypeReExported)
1394 {
1395 sym_ctx.symbol = sym_ctx.symbol->ResolveReExportedSymbol(*target);
1396 if (sym_ctx.symbol == NULL)
1397 continue;
1398 }
1399
1400 if (sym_ctx.symbol->IsExternal())
1401 extern_symbol = sym_ctx.symbol;
1402 else
1403 non_extern_symbol = sym_ctx.symbol;
1404 }
1405 }
1406
1407 if (!context.m_found.function_with_type_info)
1408 {
1409 if (extern_symbol)
1410 {
1411 AddOneFunction (context, NULL, extern_symbol, current_id);
1412 context.m_found.function = true;
1413 }
1414 else if (non_extern_symbol)
1415 {
1416 AddOneFunction (context, NULL, non_extern_symbol, current_id);
1417 context.m_found.function = true;
1418 }
1419 }
1420 }
1421
1422 if (target && !context.m_found.variable && !namespace_decl)
1423 {
1424 // We couldn't find a non-symbol variable for this. Now we'll hunt for a generic
1425 // data symbol, and -- if it is found -- treat it as a variable.
1426
1427 const Symbol *data_symbol = FindGlobalDataSymbol(*target, name);
1428
1429 if (data_symbol)
1430 {
1431 std::string warning("got name from symbols: ");
1432 warning.append(name.AsCString());
1433 const unsigned diag_id = m_ast_context->getDiagnostics().getCustomDiagID(clang::DiagnosticsEngine::Level::Warning, "%0");
1434 m_ast_context->getDiagnostics().Report(diag_id) << warning.c_str();
1435 AddOneGenericVariable(context, *data_symbol, current_id);
1436 context.m_found.variable = true;
1437 }
1438 }
1439 }
1440 }
1441 }
1442
1443 static clang_type_t
MaybePromoteToBlockPointerType(ASTContext * ast_context,clang_type_t candidate_type)1444 MaybePromoteToBlockPointerType
1445 (
1446 ASTContext *ast_context,
1447 clang_type_t candidate_type
1448 )
1449 {
1450 if (!candidate_type)
1451 return candidate_type;
1452
1453 QualType candidate_qual_type = QualType::getFromOpaquePtr(candidate_type);
1454
1455 const PointerType *candidate_pointer_type = dyn_cast<PointerType>(candidate_qual_type);
1456
1457 if (!candidate_pointer_type)
1458 return candidate_type;
1459
1460 QualType pointee_qual_type = candidate_pointer_type->getPointeeType();
1461
1462 const RecordType *pointee_record_type = dyn_cast<RecordType>(pointee_qual_type);
1463
1464 if (!pointee_record_type)
1465 return candidate_type;
1466
1467 RecordDecl *pointee_record_decl = pointee_record_type->getDecl();
1468
1469 if (!pointee_record_decl->isRecord())
1470 return candidate_type;
1471
1472 if (!pointee_record_decl->getName().startswith(llvm::StringRef("__block_literal_")))
1473 return candidate_type;
1474
1475 QualType generic_function_type = ast_context->getFunctionNoProtoType(ast_context->UnknownAnyTy);
1476 QualType block_pointer_type = ast_context->getBlockPointerType(generic_function_type);
1477
1478 return block_pointer_type.getAsOpaquePtr();
1479 }
1480
1481 bool
GetVariableValue(VariableSP & var,lldb_private::Value & var_location,TypeFromUser * user_type,TypeFromParser * parser_type)1482 ClangExpressionDeclMap::GetVariableValue (VariableSP &var,
1483 lldb_private::Value &var_location,
1484 TypeFromUser *user_type,
1485 TypeFromParser *parser_type)
1486 {
1487 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1488
1489 Type *var_type = var->GetType();
1490
1491 if (!var_type)
1492 {
1493 if (log)
1494 log->PutCString("Skipped a definition because it has no type");
1495 return false;
1496 }
1497
1498 ClangASTType var_clang_type = var_type->GetClangFullType();
1499
1500 if (!var_clang_type)
1501 {
1502 if (log)
1503 log->PutCString("Skipped a definition because it has no Clang type");
1504 return false;
1505 }
1506
1507 ASTContext *ast = var_type->GetClangASTContext().getASTContext();
1508
1509 if (!ast)
1510 {
1511 if (log)
1512 log->PutCString("There is no AST context for the current execution context");
1513 return false;
1514 }
1515 //var_clang_type = MaybePromoteToBlockPointerType (ast, var_clang_type);
1516
1517 DWARFExpression &var_location_expr = var->LocationExpression();
1518
1519 lldb::addr_t loclist_base_load_addr = LLDB_INVALID_ADDRESS;
1520
1521 Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1522
1523 if (var_location_expr.IsLocationList())
1524 {
1525 SymbolContext var_sc;
1526 var->CalculateSymbolContext (&var_sc);
1527 loclist_base_load_addr = var_sc.function->GetAddressRange().GetBaseAddress().GetLoadAddress (target);
1528 }
1529 Error err;
1530
1531 if (var->GetLocationIsConstantValueData())
1532 {
1533 DataExtractor const_value_extractor;
1534
1535 if (var_location_expr.GetExpressionData(const_value_extractor))
1536 {
1537 var_location = Value(const_value_extractor.GetDataStart(), const_value_extractor.GetByteSize());
1538 var_location.SetValueType(Value::eValueTypeHostAddress);
1539 }
1540 else
1541 {
1542 if (log)
1543 log->Printf("Error evaluating constant variable: %s", err.AsCString());
1544 return false;
1545 }
1546 }
1547
1548 ClangASTType type_to_use = GuardedCopyType(var_clang_type);
1549
1550 if (!type_to_use)
1551 {
1552 if (log)
1553 log->Printf("Couldn't copy a variable's type into the parser's AST context");
1554
1555 return false;
1556 }
1557
1558 if (parser_type)
1559 *parser_type = TypeFromParser(type_to_use);
1560
1561 if (var_location.GetContextType() == Value::eContextTypeInvalid)
1562 var_location.SetClangType(type_to_use);
1563
1564 if (var_location.GetValueType() == Value::eValueTypeFileAddress)
1565 {
1566 SymbolContext var_sc;
1567 var->CalculateSymbolContext(&var_sc);
1568
1569 if (!var_sc.module_sp)
1570 return false;
1571
1572 Address so_addr(var_location.GetScalar().ULongLong(), var_sc.module_sp->GetSectionList());
1573
1574 lldb::addr_t load_addr = so_addr.GetLoadAddress(target);
1575
1576 if (load_addr != LLDB_INVALID_ADDRESS)
1577 {
1578 var_location.GetScalar() = load_addr;
1579 var_location.SetValueType(Value::eValueTypeLoadAddress);
1580 }
1581 }
1582
1583 if (user_type)
1584 *user_type = TypeFromUser(var_clang_type);
1585
1586 return true;
1587 }
1588
1589 void
AddOneVariable(NameSearchContext & context,VariableSP var,ValueObjectSP valobj,unsigned int current_id)1590 ClangExpressionDeclMap::AddOneVariable (NameSearchContext &context, VariableSP var, ValueObjectSP valobj, unsigned int current_id)
1591 {
1592 assert (m_parser_vars.get());
1593
1594 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1595
1596 TypeFromUser ut;
1597 TypeFromParser pt;
1598 Value var_location;
1599
1600 if (!GetVariableValue (var, var_location, &ut, &pt))
1601 return;
1602
1603 clang::QualType parser_opaque_type = QualType::getFromOpaquePtr(pt.GetOpaqueQualType());
1604
1605 if (parser_opaque_type.isNull())
1606 return;
1607
1608 if (const clang::Type *parser_type = parser_opaque_type.getTypePtr())
1609 {
1610 if (const TagType *tag_type = dyn_cast<TagType>(parser_type))
1611 CompleteType(tag_type->getDecl());
1612 if (const ObjCObjectPointerType *objc_object_ptr_type = dyn_cast<ObjCObjectPointerType>(parser_type))
1613 CompleteType(objc_object_ptr_type->getInterfaceDecl());
1614 }
1615
1616
1617 bool is_reference = pt.IsReferenceType();
1618
1619 NamedDecl *var_decl = NULL;
1620 if (is_reference)
1621 var_decl = context.AddVarDecl(pt);
1622 else
1623 var_decl = context.AddVarDecl(pt.GetLValueReferenceType());
1624
1625 std::string decl_name(context.m_decl_name.getAsString());
1626 ConstString entity_name(decl_name.c_str());
1627 ClangExpressionVariableSP entity(m_found_entities.CreateVariable (valobj));
1628
1629 assert (entity.get());
1630 entity->EnableParserVars(GetParserID());
1631 ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
1632 parser_vars->m_parser_type = pt;
1633 parser_vars->m_named_decl = var_decl;
1634 parser_vars->m_llvm_value = NULL;
1635 parser_vars->m_lldb_value = var_location;
1636 parser_vars->m_lldb_var = var;
1637
1638 if (is_reference)
1639 entity->m_flags |= ClangExpressionVariable::EVTypeIsReference;
1640
1641 if (log)
1642 {
1643 ASTDumper orig_dumper(ut.GetOpaqueQualType());
1644 ASTDumper ast_dumper(var_decl);
1645 log->Printf(" CEDM::FEVD[%u] Found variable %s, returned %s (original %s)", current_id, decl_name.c_str(), ast_dumper.GetCString(), orig_dumper.GetCString());
1646 }
1647 }
1648
1649 void
AddOneVariable(NameSearchContext & context,ClangExpressionVariableSP & pvar_sp,unsigned int current_id)1650 ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context,
1651 ClangExpressionVariableSP &pvar_sp,
1652 unsigned int current_id)
1653 {
1654 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1655
1656 TypeFromUser user_type (pvar_sp->GetTypeFromUser());
1657
1658 TypeFromParser parser_type (GuardedCopyType(user_type));
1659
1660 if (!parser_type.GetOpaqueQualType())
1661 {
1662 if (log)
1663 log->Printf(" CEDM::FEVD[%u] Couldn't import type for pvar %s", current_id, pvar_sp->GetName().GetCString());
1664 return;
1665 }
1666
1667 NamedDecl *var_decl = context.AddVarDecl(parser_type.GetLValueReferenceType());
1668
1669 pvar_sp->EnableParserVars(GetParserID());
1670 ClangExpressionVariable::ParserVars *parser_vars = pvar_sp->GetParserVars(GetParserID());
1671 parser_vars->m_parser_type = parser_type;
1672 parser_vars->m_named_decl = var_decl;
1673 parser_vars->m_llvm_value = NULL;
1674 parser_vars->m_lldb_value.Clear();
1675
1676 if (log)
1677 {
1678 ASTDumper ast_dumper(var_decl);
1679 log->Printf(" CEDM::FEVD[%u] Added pvar %s, returned %s", current_id, pvar_sp->GetName().GetCString(), ast_dumper.GetCString());
1680 }
1681 }
1682
1683 void
AddOneGenericVariable(NameSearchContext & context,const Symbol & symbol,unsigned int current_id)1684 ClangExpressionDeclMap::AddOneGenericVariable(NameSearchContext &context,
1685 const Symbol &symbol,
1686 unsigned int current_id)
1687 {
1688 assert(m_parser_vars.get());
1689
1690 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1691
1692 Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1693
1694 if (target == NULL)
1695 return;
1696
1697 ASTContext *scratch_ast_context = target->GetScratchClangASTContext()->getASTContext();
1698
1699 TypeFromUser user_type (ClangASTContext::GetBasicType(scratch_ast_context, eBasicTypeVoid).GetPointerType().GetLValueReferenceType());
1700 TypeFromParser parser_type (ClangASTContext::GetBasicType(m_ast_context, eBasicTypeVoid).GetPointerType().GetLValueReferenceType());
1701 NamedDecl *var_decl = context.AddVarDecl(parser_type);
1702
1703 std::string decl_name(context.m_decl_name.getAsString());
1704 ConstString entity_name(decl_name.c_str());
1705 ClangExpressionVariableSP entity(m_found_entities.CreateVariable (m_parser_vars->m_exe_ctx.GetBestExecutionContextScope (),
1706 entity_name,
1707 user_type,
1708 m_parser_vars->m_target_info.byte_order,
1709 m_parser_vars->m_target_info.address_byte_size));
1710 assert (entity.get());
1711
1712 entity->EnableParserVars(GetParserID());
1713 ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
1714
1715 const Address &symbol_address = symbol.GetAddress();
1716 lldb::addr_t symbol_load_addr = symbol_address.GetLoadAddress(target);
1717
1718 //parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType, user_type.GetOpaqueQualType());
1719 parser_vars->m_lldb_value.SetClangType(user_type);
1720 parser_vars->m_lldb_value.GetScalar() = symbol_load_addr;
1721 parser_vars->m_lldb_value.SetValueType(Value::eValueTypeLoadAddress);
1722
1723 parser_vars->m_parser_type = parser_type;
1724 parser_vars->m_named_decl = var_decl;
1725 parser_vars->m_llvm_value = NULL;
1726 parser_vars->m_lldb_sym = &symbol;
1727
1728 if (log)
1729 {
1730 ASTDumper ast_dumper(var_decl);
1731
1732 log->Printf(" CEDM::FEVD[%u] Found variable %s, returned %s", current_id, decl_name.c_str(), ast_dumper.GetCString());
1733 }
1734 }
1735
1736 bool
ResolveUnknownTypes()1737 ClangExpressionDeclMap::ResolveUnknownTypes()
1738 {
1739 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1740 Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1741
1742 ASTContext *scratch_ast_context = target->GetScratchClangASTContext()->getASTContext();
1743
1744 for (size_t index = 0, num_entities = m_found_entities.GetSize();
1745 index < num_entities;
1746 ++index)
1747 {
1748 ClangExpressionVariableSP entity = m_found_entities.GetVariableAtIndex(index);
1749
1750 ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
1751
1752 if (entity->m_flags & ClangExpressionVariable::EVUnknownType)
1753 {
1754 const NamedDecl *named_decl = parser_vars->m_named_decl;
1755 const VarDecl *var_decl = dyn_cast<VarDecl>(named_decl);
1756
1757 if (!var_decl)
1758 {
1759 if (log)
1760 log->Printf("Entity of unknown type does not have a VarDecl");
1761 return false;
1762 }
1763
1764 if (log)
1765 {
1766 ASTDumper ast_dumper(const_cast<VarDecl*>(var_decl));
1767 log->Printf("Variable of unknown type now has Decl %s", ast_dumper.GetCString());
1768 }
1769
1770 QualType var_type = var_decl->getType();
1771 TypeFromParser parser_type(var_type.getAsOpaquePtr(), &var_decl->getASTContext());
1772
1773 lldb::clang_type_t copied_type = m_ast_importer->CopyType(scratch_ast_context, &var_decl->getASTContext(), var_type.getAsOpaquePtr());
1774
1775 if (!copied_type)
1776 {
1777 if (log)
1778 log->Printf("ClangExpressionDeclMap::ResolveUnknownType - Couldn't import the type for a variable");
1779
1780 return (bool) lldb::ClangExpressionVariableSP();
1781 }
1782
1783 TypeFromUser user_type(copied_type, scratch_ast_context);
1784
1785 // parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType, user_type.GetOpaqueQualType());
1786 parser_vars->m_lldb_value.SetClangType(user_type);
1787 parser_vars->m_parser_type = parser_type;
1788
1789 entity->SetClangType(user_type);
1790
1791 entity->m_flags &= ~(ClangExpressionVariable::EVUnknownType);
1792 }
1793 }
1794
1795 return true;
1796 }
1797
1798 void
AddOneRegister(NameSearchContext & context,const RegisterInfo * reg_info,unsigned int current_id)1799 ClangExpressionDeclMap::AddOneRegister (NameSearchContext &context,
1800 const RegisterInfo *reg_info,
1801 unsigned int current_id)
1802 {
1803 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1804
1805 ClangASTType clang_type = ClangASTContext::GetBuiltinTypeForEncodingAndBitSize (m_ast_context,
1806 reg_info->encoding,
1807 reg_info->byte_size * 8);
1808
1809 if (!clang_type)
1810 {
1811 if (log)
1812 log->Printf(" Tried to add a type for %s, but couldn't get one", context.m_decl_name.getAsString().c_str());
1813 return;
1814 }
1815
1816 TypeFromParser parser_clang_type (clang_type);
1817
1818 NamedDecl *var_decl = context.AddVarDecl(parser_clang_type);
1819
1820 ClangExpressionVariableSP entity(m_found_entities.CreateVariable (m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(),
1821 m_parser_vars->m_target_info.byte_order,
1822 m_parser_vars->m_target_info.address_byte_size));
1823 assert (entity.get());
1824
1825 std::string decl_name(context.m_decl_name.getAsString());
1826 entity->SetName (ConstString (decl_name.c_str()));
1827 entity->SetRegisterInfo (reg_info);
1828 entity->EnableParserVars(GetParserID());
1829 ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
1830 parser_vars->m_parser_type = parser_clang_type;
1831 parser_vars->m_named_decl = var_decl;
1832 parser_vars->m_llvm_value = NULL;
1833 parser_vars->m_lldb_value.Clear();
1834 entity->m_flags |= ClangExpressionVariable::EVBareRegister;
1835
1836 if (log)
1837 {
1838 ASTDumper ast_dumper(var_decl);
1839 log->Printf(" CEDM::FEVD[%d] Added register %s, returned %s", current_id, context.m_decl_name.getAsString().c_str(), ast_dumper.GetCString());
1840 }
1841 }
1842
1843 void
AddOneFunction(NameSearchContext & context,Function * function,Symbol * symbol,unsigned int current_id)1844 ClangExpressionDeclMap::AddOneFunction (NameSearchContext &context,
1845 Function* function,
1846 Symbol* symbol,
1847 unsigned int current_id)
1848 {
1849 assert (m_parser_vars.get());
1850
1851 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1852
1853 NamedDecl *function_decl = NULL;
1854 const Address *fun_address = NULL;
1855 ClangASTType function_clang_type;
1856
1857 bool is_indirect_function = false;
1858
1859 if (function)
1860 {
1861 Type *function_type = function->GetType();
1862
1863 if (!function_type)
1864 {
1865 if (log)
1866 log->PutCString(" Skipped a function because it has no type");
1867 return;
1868 }
1869
1870 function_clang_type = function_type->GetClangFullType();
1871
1872 if (!function_clang_type)
1873 {
1874 if (log)
1875 log->PutCString(" Skipped a function because it has no Clang type");
1876 return;
1877 }
1878
1879 fun_address = &function->GetAddressRange().GetBaseAddress();
1880
1881 ClangASTType copied_function_type = GuardedCopyType(function_clang_type);
1882 if (copied_function_type)
1883 {
1884 function_decl = context.AddFunDecl(copied_function_type);
1885
1886 if (!function_decl)
1887 {
1888 if (log)
1889 {
1890 log->Printf (" Failed to create a function decl for '%s' {0x%8.8" PRIx64 "}",
1891 function_type->GetName().GetCString(),
1892 function_type->GetID());
1893 }
1894
1895 return;
1896 }
1897 }
1898 else
1899 {
1900 // We failed to copy the type we found
1901 if (log)
1902 {
1903 log->Printf (" Failed to import the function type '%s' {0x%8.8" PRIx64 "} into the expression parser AST contenxt",
1904 function_type->GetName().GetCString(),
1905 function_type->GetID());
1906 }
1907
1908 return;
1909 }
1910 }
1911 else if (symbol)
1912 {
1913 fun_address = &symbol->GetAddress();
1914 function_decl = context.AddGenericFunDecl();
1915 is_indirect_function = symbol->IsIndirect();
1916 }
1917 else
1918 {
1919 if (log)
1920 log->PutCString(" AddOneFunction called with no function and no symbol");
1921 return;
1922 }
1923
1924 Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr();
1925
1926 lldb::addr_t load_addr = fun_address->GetCallableLoadAddress(target, is_indirect_function);
1927
1928 ClangExpressionVariableSP entity(m_found_entities.CreateVariable (m_parser_vars->m_exe_ctx.GetBestExecutionContextScope (),
1929 m_parser_vars->m_target_info.byte_order,
1930 m_parser_vars->m_target_info.address_byte_size));
1931 assert (entity.get());
1932
1933 std::string decl_name(context.m_decl_name.getAsString());
1934 entity->SetName(ConstString(decl_name.c_str()));
1935 entity->SetClangType (function_clang_type);
1936 entity->EnableParserVars(GetParserID());
1937
1938 ClangExpressionVariable::ParserVars *parser_vars = entity->GetParserVars(GetParserID());
1939
1940 if (load_addr != LLDB_INVALID_ADDRESS)
1941 {
1942 parser_vars->m_lldb_value.SetValueType(Value::eValueTypeLoadAddress);
1943 parser_vars->m_lldb_value.GetScalar() = load_addr;
1944 }
1945 else
1946 {
1947 // We have to try finding a file address.
1948
1949 lldb::addr_t file_addr = fun_address->GetFileAddress();
1950
1951 parser_vars->m_lldb_value.SetValueType(Value::eValueTypeFileAddress);
1952 parser_vars->m_lldb_value.GetScalar() = file_addr;
1953 }
1954
1955
1956 parser_vars->m_named_decl = function_decl;
1957 parser_vars->m_llvm_value = NULL;
1958
1959 if (log)
1960 {
1961 ASTDumper ast_dumper(function_decl);
1962
1963 StreamString ss;
1964
1965 fun_address->Dump(&ss, m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(), Address::DumpStyleResolvedDescription);
1966
1967 log->Printf(" CEDM::FEVD[%u] Found %s function %s (description %s), returned %s",
1968 current_id,
1969 (function ? "specific" : "generic"),
1970 decl_name.c_str(),
1971 ss.GetData(),
1972 ast_dumper.GetCString());
1973 }
1974 }
1975
1976 TypeFromParser
CopyClassType(TypeFromUser & ut,unsigned int current_id)1977 ClangExpressionDeclMap::CopyClassType(TypeFromUser &ut,
1978 unsigned int current_id)
1979 {
1980 ClangASTType copied_clang_type = GuardedCopyType(ut);
1981
1982 if (!copied_clang_type)
1983 {
1984 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
1985
1986 if (log)
1987 log->Printf("ClangExpressionDeclMap::CopyClassType - Couldn't import the type");
1988
1989 return TypeFromParser();
1990 }
1991
1992 if (copied_clang_type.IsAggregateType() && copied_clang_type.GetCompleteType ())
1993 {
1994 ClangASTType void_clang_type = ClangASTContext::GetBasicType(m_ast_context, eBasicTypeVoid);
1995 ClangASTType void_ptr_clang_type = void_clang_type.GetPointerType();
1996
1997 ClangASTType method_type = ClangASTContext::CreateFunctionType (m_ast_context,
1998 void_clang_type,
1999 &void_ptr_clang_type,
2000 1,
2001 false,
2002 copied_clang_type.GetTypeQualifiers());
2003
2004 const bool is_virtual = false;
2005 const bool is_static = false;
2006 const bool is_inline = false;
2007 const bool is_explicit = false;
2008 const bool is_attr_used = true;
2009 const bool is_artificial = false;
2010
2011 copied_clang_type.AddMethodToCXXRecordType ("$__lldb_expr",
2012 method_type,
2013 lldb::eAccessPublic,
2014 is_virtual,
2015 is_static,
2016 is_inline,
2017 is_explicit,
2018 is_attr_used,
2019 is_artificial);
2020 }
2021
2022 return TypeFromParser(copied_clang_type);
2023 }
2024
2025 void
AddOneType(NameSearchContext & context,TypeFromUser & ut,unsigned int current_id)2026 ClangExpressionDeclMap::AddOneType(NameSearchContext &context,
2027 TypeFromUser &ut,
2028 unsigned int current_id)
2029 {
2030 ClangASTType copied_clang_type = GuardedCopyType(ut);
2031
2032 if (!copied_clang_type)
2033 {
2034 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
2035
2036 if (log)
2037 log->Printf("ClangExpressionDeclMap::AddOneType - Couldn't import the type");
2038
2039 return;
2040 }
2041
2042 context.AddTypeDecl(copied_clang_type);
2043 }
2044