|  | //===-- Variable.cpp --------------------------------------------*- C++ -*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "lldb/Symbol/Variable.h" | 
|  |  | 
|  | #include "lldb/Core/Module.h" | 
|  | #include "lldb/Core/Stream.h" | 
|  | #include "lldb/Core/RegularExpression.h" | 
|  | #include "lldb/Core/ValueObject.h" | 
|  | #include "lldb/Core/ValueObjectVariable.h" | 
|  | #include "lldb/Symbol/Block.h" | 
|  | #include "lldb/Symbol/CompilerDecl.h" | 
|  | #include "lldb/Symbol/CompilerDeclContext.h" | 
|  | #include "lldb/Symbol/CompileUnit.h" | 
|  | #include "lldb/Symbol/Function.h" | 
|  | #include "lldb/Symbol/SymbolContext.h" | 
|  | #include "lldb/Symbol/SymbolFile.h" | 
|  | #include "lldb/Symbol/Type.h" | 
|  | #include "lldb/Symbol/VariableList.h" | 
|  | #include "lldb/Target/ABI.h" | 
|  | #include "lldb/Target/Process.h" | 
|  | #include "lldb/Target/RegisterContext.h" | 
|  | #include "lldb/Target/StackFrame.h" | 
|  | #include "lldb/Target/Thread.h" | 
|  | #include "lldb/Target/Target.h" | 
|  |  | 
|  | using namespace lldb; | 
|  | using namespace lldb_private; | 
|  |  | 
|  | //---------------------------------------------------------------------- | 
|  | // Variable constructor | 
|  | //---------------------------------------------------------------------- | 
|  | Variable::Variable | 
|  | ( | 
|  | lldb::user_id_t uid, | 
|  | const char *name, | 
|  | const char *mangled,  // The mangled or fully qualified name of the variable. | 
|  | const lldb::SymbolFileTypeSP &symfile_type_sp, | 
|  | ValueType scope, | 
|  | SymbolContextScope *context, | 
|  | Declaration* decl_ptr, | 
|  | const DWARFExpression& location, | 
|  | bool external, | 
|  | bool artificial, | 
|  | bool static_member | 
|  | ) : | 
|  | UserID(uid), | 
|  | m_name(name), | 
|  | m_mangled (ConstString(mangled)), | 
|  | m_symfile_type_sp(symfile_type_sp), | 
|  | m_scope(scope), | 
|  | m_owner_scope(context), | 
|  | m_declaration(decl_ptr), | 
|  | m_location(location), | 
|  | m_external(external), | 
|  | m_artificial(artificial), | 
|  | m_static_member(static_member) | 
|  | { | 
|  | } | 
|  |  | 
|  | //---------------------------------------------------------------------- | 
|  | // Destructor | 
|  | //---------------------------------------------------------------------- | 
|  | Variable::~Variable() | 
|  | { | 
|  | } | 
|  |  | 
|  | lldb::LanguageType | 
|  | Variable::GetLanguage () const | 
|  | { | 
|  | SymbolContext variable_sc; | 
|  | m_owner_scope->CalculateSymbolContext(&variable_sc); | 
|  | if (variable_sc.comp_unit) | 
|  | return variable_sc.comp_unit->GetLanguage(); | 
|  | return lldb::eLanguageTypeUnknown; | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | ConstString | 
|  | Variable::GetName() const | 
|  | { | 
|  | ConstString name = m_mangled.GetName(GetLanguage()); | 
|  | if (name) | 
|  | return name; | 
|  | return m_name; | 
|  | } | 
|  |  | 
|  | ConstString | 
|  | Variable::GetUnqualifiedName() const | 
|  | { | 
|  | return m_name; | 
|  | } | 
|  |  | 
|  |  | 
|  | bool | 
|  | Variable::NameMatches (const ConstString &name) const | 
|  | { | 
|  | if (m_name == name) | 
|  | return true; | 
|  | SymbolContext variable_sc; | 
|  | m_owner_scope->CalculateSymbolContext(&variable_sc); | 
|  |  | 
|  | LanguageType language = eLanguageTypeUnknown; | 
|  | if (variable_sc.comp_unit) | 
|  | language = variable_sc.comp_unit->GetLanguage(); | 
|  | return m_mangled.NameMatches (name, language); | 
|  | } | 
|  | bool | 
|  | Variable::NameMatches (const RegularExpression& regex) const | 
|  | { | 
|  | if (regex.Execute (m_name.AsCString())) | 
|  | return true; | 
|  | if (m_mangled) | 
|  | return m_mangled.NameMatches (regex, GetLanguage()); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | Type * | 
|  | Variable::GetType() | 
|  | { | 
|  | if (m_symfile_type_sp) | 
|  | return m_symfile_type_sp->GetType(); | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | void | 
|  | Variable::Dump(Stream *s, bool show_context) const | 
|  | { | 
|  | s->Printf("%p: ", static_cast<const void*>(this)); | 
|  | s->Indent(); | 
|  | *s << "Variable" << (const UserID&)*this; | 
|  |  | 
|  | if (m_name) | 
|  | *s << ", name = \"" << m_name << "\""; | 
|  |  | 
|  | if (m_symfile_type_sp) | 
|  | { | 
|  | Type *type = m_symfile_type_sp->GetType(); | 
|  | if (type) | 
|  | { | 
|  | *s << ", type = {" << type->GetID() << "} " << (void*)type << " ("; | 
|  | type->DumpTypeName(s); | 
|  | s->PutChar(')'); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (m_scope != eValueTypeInvalid) | 
|  | { | 
|  | s->PutCString(", scope = "); | 
|  | switch (m_scope) | 
|  | { | 
|  | case eValueTypeVariableGlobal:       s->PutCString(m_external ? "global" : "static"); break; | 
|  | case eValueTypeVariableArgument:    s->PutCString("parameter"); break; | 
|  | case eValueTypeVariableLocal:        s->PutCString("local"); break; | 
|  | default:            *s << "??? (" << m_scope << ')'; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (show_context && m_owner_scope != nullptr) | 
|  | { | 
|  | s->PutCString(", context = ( "); | 
|  | m_owner_scope->DumpSymbolContext(s); | 
|  | s->PutCString(" )"); | 
|  | } | 
|  |  | 
|  | bool show_fullpaths = false; | 
|  | m_declaration.Dump(s, show_fullpaths); | 
|  |  | 
|  | if (m_location.IsValid()) | 
|  | { | 
|  | s->PutCString(", location = "); | 
|  | lldb::addr_t loclist_base_addr = LLDB_INVALID_ADDRESS; | 
|  | if (m_location.IsLocationList()) | 
|  | { | 
|  | SymbolContext variable_sc; | 
|  | m_owner_scope->CalculateSymbolContext(&variable_sc); | 
|  | if (variable_sc.function) | 
|  | loclist_base_addr = variable_sc.function->GetAddressRange().GetBaseAddress().GetFileAddress(); | 
|  | } | 
|  | ABI *abi = nullptr; | 
|  | if (m_owner_scope) | 
|  | { | 
|  | ModuleSP module_sp (m_owner_scope->CalculateSymbolContextModule()); | 
|  | if (module_sp) | 
|  | abi = ABI::FindPlugin (module_sp->GetArchitecture()).get(); | 
|  | } | 
|  | m_location.GetDescription(s, lldb::eDescriptionLevelBrief, loclist_base_addr, abi); | 
|  | } | 
|  |  | 
|  | if (m_external) | 
|  | s->PutCString(", external"); | 
|  |  | 
|  | if (m_artificial) | 
|  | s->PutCString(", artificial"); | 
|  |  | 
|  | s->EOL(); | 
|  | } | 
|  |  | 
|  | bool | 
|  | Variable::DumpDeclaration (Stream *s, bool show_fullpaths, bool show_module) | 
|  | { | 
|  | bool dumped_declaration_info = false; | 
|  | if (m_owner_scope) | 
|  | { | 
|  | SymbolContext sc; | 
|  | m_owner_scope->CalculateSymbolContext(&sc); | 
|  | sc.block = nullptr; | 
|  | sc.line_entry.Clear(); | 
|  | bool show_inlined_frames = false; | 
|  | const bool show_function_arguments = true; | 
|  | const bool show_function_name = true; | 
|  |  | 
|  | dumped_declaration_info = sc.DumpStopContext (s, | 
|  | nullptr, | 
|  | Address(), | 
|  | show_fullpaths, | 
|  | show_module, | 
|  | show_inlined_frames, | 
|  | show_function_arguments, | 
|  | show_function_name); | 
|  |  | 
|  | if (sc.function) | 
|  | s->PutChar(':'); | 
|  | } | 
|  | if (m_declaration.DumpStopContext (s, false)) | 
|  | dumped_declaration_info = true; | 
|  | return dumped_declaration_info; | 
|  | } | 
|  |  | 
|  | size_t | 
|  | Variable::MemorySize() const | 
|  | { | 
|  | return sizeof(Variable); | 
|  | } | 
|  |  | 
|  | CompilerDeclContext | 
|  | Variable::GetDeclContext () | 
|  | { | 
|  | Type *type = GetType(); | 
|  | return type->GetSymbolFile()->GetDeclContextContainingUID(GetID()); | 
|  | } | 
|  |  | 
|  | CompilerDecl | 
|  | Variable::GetDecl () | 
|  | { | 
|  | Type *type = GetType(); | 
|  | CompilerDecl decl = type->GetSymbolFile()->GetDeclForUID(GetID()); | 
|  | if (decl) | 
|  | decl.GetTypeSystem()->DeclLinkToObject(decl.GetOpaqueDecl(), shared_from_this()); | 
|  | return decl; | 
|  | } | 
|  |  | 
|  | void | 
|  | Variable::CalculateSymbolContext (SymbolContext *sc) | 
|  | { | 
|  | if (m_owner_scope) | 
|  | { | 
|  | m_owner_scope->CalculateSymbolContext(sc); | 
|  | sc->variable = this; | 
|  | } | 
|  | else | 
|  | sc->Clear(false); | 
|  | } | 
|  |  | 
|  | bool | 
|  | Variable::LocationIsValidForFrame (StackFrame *frame) | 
|  | { | 
|  | // Is the variable is described by a single location? | 
|  | if (!m_location.IsLocationList()) | 
|  | { | 
|  | // Yes it is, the location is valid. | 
|  | return true; | 
|  | } | 
|  |  | 
|  | if (frame) | 
|  | { | 
|  | Function *function = frame->GetSymbolContext(eSymbolContextFunction).function; | 
|  | if (function) | 
|  | { | 
|  | TargetSP target_sp (frame->CalculateTarget()); | 
|  |  | 
|  | addr_t loclist_base_load_addr = function->GetAddressRange().GetBaseAddress().GetLoadAddress (target_sp.get()); | 
|  | if (loclist_base_load_addr == LLDB_INVALID_ADDRESS) | 
|  | return false; | 
|  | // It is a location list. We just need to tell if the location | 
|  | // list contains the current address when converted to a load | 
|  | // address | 
|  | return m_location.LocationListContainsAddress (loclist_base_load_addr, | 
|  | frame->GetFrameCodeAddress().GetLoadAddress (target_sp.get())); | 
|  | } | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | bool | 
|  | Variable::LocationIsValidForAddress (const Address &address) | 
|  | { | 
|  | // Be sure to resolve the address to section offset prior to | 
|  | // calling this function. | 
|  | if (address.IsSectionOffset()) | 
|  | { | 
|  | SymbolContext sc; | 
|  | CalculateSymbolContext(&sc); | 
|  | if (sc.module_sp == address.GetModule()) | 
|  | { | 
|  | // Is the variable is described by a single location? | 
|  | if (!m_location.IsLocationList()) | 
|  | { | 
|  | // Yes it is, the location is valid. | 
|  | return true; | 
|  | } | 
|  |  | 
|  | if (sc.function) | 
|  | { | 
|  | addr_t loclist_base_file_addr = sc.function->GetAddressRange().GetBaseAddress().GetFileAddress(); | 
|  | if (loclist_base_file_addr == LLDB_INVALID_ADDRESS) | 
|  | return false; | 
|  | // It is a location list. We just need to tell if the location | 
|  | // list contains the current address when converted to a load | 
|  | // address | 
|  | return m_location.LocationListContainsAddress (loclist_base_file_addr, | 
|  | address.GetFileAddress()); | 
|  | } | 
|  | } | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | bool | 
|  | Variable::IsInScope (StackFrame *frame) | 
|  | { | 
|  | switch (m_scope) | 
|  | { | 
|  | case eValueTypeRegister: | 
|  | case eValueTypeRegisterSet: | 
|  | return frame != nullptr; | 
|  |  | 
|  | case eValueTypeConstResult: | 
|  | case eValueTypeVariableGlobal: | 
|  | case eValueTypeVariableStatic: | 
|  | return true; | 
|  |  | 
|  | case eValueTypeVariableArgument: | 
|  | case eValueTypeVariableLocal: | 
|  | if (frame) | 
|  | { | 
|  | // We don't have a location list, we just need to see if the block | 
|  | // that this variable was defined in is currently | 
|  | Block *deepest_frame_block = frame->GetSymbolContext(eSymbolContextBlock).block; | 
|  | if (deepest_frame_block) | 
|  | { | 
|  | SymbolContext variable_sc; | 
|  | CalculateSymbolContext (&variable_sc); | 
|  | // Check for static or global variable defined at the compile unit | 
|  | // level that wasn't defined in a block | 
|  | if (variable_sc.block == nullptr) | 
|  | return true; | 
|  |  | 
|  | if (variable_sc.block == deepest_frame_block) | 
|  | return true; | 
|  | return variable_sc.block->Contains (deepest_frame_block); | 
|  | } | 
|  | } | 
|  | break; | 
|  |  | 
|  | default: | 
|  | break; | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | Error | 
|  | Variable::GetValuesForVariableExpressionPath (const char *variable_expr_path, | 
|  | ExecutionContextScope *scope, | 
|  | GetVariableCallback callback, | 
|  | void *baton, | 
|  | VariableList &variable_list, | 
|  | ValueObjectList &valobj_list) | 
|  | { | 
|  | Error error; | 
|  | if (variable_expr_path && callback) | 
|  | { | 
|  | switch (variable_expr_path[0]) | 
|  | { | 
|  | case '*': | 
|  | { | 
|  | error = Variable::GetValuesForVariableExpressionPath (variable_expr_path + 1, | 
|  | scope, | 
|  | callback, | 
|  | baton, | 
|  | variable_list, | 
|  | valobj_list); | 
|  | if (error.Success()) | 
|  | { | 
|  | for (uint32_t i=0; i<valobj_list.GetSize(); ) | 
|  | { | 
|  | Error tmp_error; | 
|  | ValueObjectSP valobj_sp (valobj_list.GetValueObjectAtIndex(i)->Dereference(tmp_error)); | 
|  | if (tmp_error.Fail()) | 
|  | { | 
|  | variable_list.RemoveVariableAtIndex (i); | 
|  | valobj_list.RemoveValueObjectAtIndex (i); | 
|  | } | 
|  | else | 
|  | { | 
|  | valobj_list.SetValueObjectAtIndex (i, valobj_sp); | 
|  | ++i; | 
|  | } | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | error.SetErrorString ("unknown error"); | 
|  | } | 
|  | return error; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case '&': | 
|  | { | 
|  | error = Variable::GetValuesForVariableExpressionPath (variable_expr_path + 1, | 
|  | scope, | 
|  | callback, | 
|  | baton, | 
|  | variable_list, | 
|  | valobj_list); | 
|  | if (error.Success()) | 
|  | { | 
|  | for (uint32_t i=0; i<valobj_list.GetSize(); ) | 
|  | { | 
|  | Error tmp_error; | 
|  | ValueObjectSP valobj_sp (valobj_list.GetValueObjectAtIndex(i)->AddressOf(tmp_error)); | 
|  | if (tmp_error.Fail()) | 
|  | { | 
|  | variable_list.RemoveVariableAtIndex (i); | 
|  | valobj_list.RemoveValueObjectAtIndex (i); | 
|  | } | 
|  | else | 
|  | { | 
|  | valobj_list.SetValueObjectAtIndex (i, valobj_sp); | 
|  | ++i; | 
|  | } | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | error.SetErrorString ("unknown error"); | 
|  | } | 
|  | return error; | 
|  | } | 
|  | break; | 
|  |  | 
|  | default: | 
|  | { | 
|  | static RegularExpression g_regex ("^([A-Za-z_:][A-Za-z_0-9:]*)(.*)"); | 
|  | RegularExpression::Match regex_match(1); | 
|  | if (g_regex.Execute(variable_expr_path, ®ex_match)) | 
|  | { | 
|  | std::string variable_name; | 
|  | if (regex_match.GetMatchAtIndex(variable_expr_path, 1, variable_name)) | 
|  | { | 
|  | variable_list.Clear(); | 
|  | if (callback (baton, variable_name.c_str(), variable_list)) | 
|  | { | 
|  | uint32_t i=0; | 
|  | while (i < variable_list.GetSize()) | 
|  | { | 
|  | VariableSP var_sp (variable_list.GetVariableAtIndex (i)); | 
|  | ValueObjectSP valobj_sp; | 
|  | if (var_sp) | 
|  | { | 
|  | ValueObjectSP variable_valobj_sp(ValueObjectVariable::Create (scope, var_sp)); | 
|  | if (variable_valobj_sp) | 
|  | { | 
|  | const char *variable_sub_expr_path = variable_expr_path + variable_name.size(); | 
|  | if (*variable_sub_expr_path) | 
|  | { | 
|  | const char* first_unparsed = nullptr; | 
|  | ValueObject::ExpressionPathScanEndReason reason_to_stop; | 
|  | ValueObject::ExpressionPathEndResultType final_value_type; | 
|  | ValueObject::GetValueForExpressionPathOptions options; | 
|  | ValueObject::ExpressionPathAftermath final_task_on_target; | 
|  |  | 
|  | valobj_sp = variable_valobj_sp->GetValueForExpressionPath (variable_sub_expr_path, | 
|  | &first_unparsed, | 
|  | &reason_to_stop, | 
|  | &final_value_type, | 
|  | options, | 
|  | &final_task_on_target); | 
|  | if (!valobj_sp) | 
|  | { | 
|  | error.SetErrorStringWithFormat ("invalid expression path '%s' for variable '%s'", | 
|  | variable_sub_expr_path, | 
|  | var_sp->GetName().GetCString()); | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | // Just the name of a variable with no extras | 
|  | valobj_sp = variable_valobj_sp; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (!var_sp || !valobj_sp) | 
|  | { | 
|  | variable_list.RemoveVariableAtIndex (i); | 
|  | } | 
|  | else | 
|  | { | 
|  | valobj_list.Append(valobj_sp); | 
|  | ++i; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (variable_list.GetSize() > 0) | 
|  | { | 
|  | error.Clear(); | 
|  | return error; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | error.SetErrorStringWithFormat ("unable to extract a variable name from '%s'", variable_expr_path); | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  | error.SetErrorString ("unknown error"); | 
|  | return error; | 
|  | } | 
|  |  | 
|  | bool | 
|  | Variable::DumpLocationForAddress (Stream *s, const Address &address) | 
|  | { | 
|  | // Be sure to resolve the address to section offset prior to | 
|  | // calling this function. | 
|  | if (address.IsSectionOffset()) | 
|  | { | 
|  | SymbolContext sc; | 
|  | CalculateSymbolContext(&sc); | 
|  | if (sc.module_sp == address.GetModule()) | 
|  | { | 
|  | ABI *abi = nullptr; | 
|  | if (m_owner_scope) | 
|  | { | 
|  | ModuleSP module_sp (m_owner_scope->CalculateSymbolContextModule()); | 
|  | if (module_sp) | 
|  | abi = ABI::FindPlugin (module_sp->GetArchitecture()).get(); | 
|  | } | 
|  |  | 
|  | const addr_t file_addr = address.GetFileAddress(); | 
|  | if (sc.function) | 
|  | { | 
|  | if (sc.function->GetAddressRange().ContainsFileAddress(address)) | 
|  | { | 
|  | addr_t loclist_base_file_addr = sc.function->GetAddressRange().GetBaseAddress().GetFileAddress(); | 
|  | if (loclist_base_file_addr == LLDB_INVALID_ADDRESS) | 
|  | return false; | 
|  | return m_location.DumpLocationForAddress (s, | 
|  | eDescriptionLevelBrief, | 
|  | loclist_base_file_addr, | 
|  | file_addr, | 
|  | abi); | 
|  | } | 
|  | } | 
|  | return m_location.DumpLocationForAddress (s, | 
|  | eDescriptionLevelBrief, | 
|  | LLDB_INVALID_ADDRESS, | 
|  | file_addr, | 
|  | abi); | 
|  | } | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  |  | 
|  | static void | 
|  | PrivateAutoComplete (StackFrame *frame, | 
|  | const std::string &partial_path, | 
|  | const std::string &prefix_path, // Anything that has been resolved already will be in here | 
|  | const CompilerType& clang_type, | 
|  | StringList &matches, | 
|  | bool &word_complete); | 
|  |  | 
|  | static void | 
|  | PrivateAutoCompleteMembers (StackFrame *frame, | 
|  | const std::string &partial_member_name, | 
|  | const std::string &partial_path, | 
|  | const std::string &prefix_path, // Anything that has been resolved already will be in here | 
|  | const CompilerType& clang_type, | 
|  | StringList &matches, | 
|  | bool &word_complete); | 
|  |  | 
|  | static void | 
|  | PrivateAutoCompleteMembers (StackFrame *frame, | 
|  | const std::string &partial_member_name, | 
|  | const std::string &partial_path, | 
|  | const std::string &prefix_path, // Anything that has been resolved already will be in here | 
|  | const CompilerType& clang_type, | 
|  | StringList &matches, | 
|  | bool &word_complete) | 
|  | { | 
|  |  | 
|  | // We are in a type parsing child members | 
|  | const uint32_t num_bases = clang_type.GetNumDirectBaseClasses(); | 
|  |  | 
|  | if (num_bases > 0) | 
|  | { | 
|  | for (uint32_t i = 0; i < num_bases; ++i) | 
|  | { | 
|  | CompilerType base_class_type = clang_type.GetDirectBaseClassAtIndex(i, nullptr); | 
|  |  | 
|  | PrivateAutoCompleteMembers (frame, | 
|  | partial_member_name, | 
|  | partial_path, | 
|  | prefix_path, | 
|  | base_class_type.GetCanonicalType(), | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | } | 
|  |  | 
|  | const uint32_t num_vbases = clang_type.GetNumVirtualBaseClasses(); | 
|  |  | 
|  | if (num_vbases > 0) | 
|  | { | 
|  | for (uint32_t i = 0; i < num_vbases; ++i) | 
|  | { | 
|  | CompilerType vbase_class_type = clang_type.GetVirtualBaseClassAtIndex(i,nullptr); | 
|  |  | 
|  | PrivateAutoCompleteMembers (frame, | 
|  | partial_member_name, | 
|  | partial_path, | 
|  | prefix_path, | 
|  | vbase_class_type.GetCanonicalType(), | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | } | 
|  |  | 
|  | // We are in a type parsing child members | 
|  | const uint32_t num_fields = clang_type.GetNumFields(); | 
|  |  | 
|  | if (num_fields > 0) | 
|  | { | 
|  | for (uint32_t i = 0; i < num_fields; ++i) | 
|  | { | 
|  | std::string member_name; | 
|  |  | 
|  | CompilerType member_clang_type = clang_type.GetFieldAtIndex (i, member_name, nullptr, nullptr, nullptr); | 
|  |  | 
|  | if (partial_member_name.empty() || | 
|  | member_name.find(partial_member_name) == 0) | 
|  | { | 
|  | if (member_name == partial_member_name) | 
|  | { | 
|  | PrivateAutoComplete (frame, | 
|  | partial_path, | 
|  | prefix_path + member_name, // Anything that has been resolved already will be in here | 
|  | member_clang_type.GetCanonicalType(), | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | else | 
|  | { | 
|  | matches.AppendString (prefix_path + member_name); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | PrivateAutoComplete (StackFrame *frame, | 
|  | const std::string &partial_path, | 
|  | const std::string &prefix_path, // Anything that has been resolved already will be in here | 
|  | const CompilerType& clang_type, | 
|  | StringList &matches, | 
|  | bool &word_complete) | 
|  | { | 
|  | //    printf ("\nPrivateAutoComplete()\n\tprefix_path = '%s'\n\tpartial_path = '%s'\n", prefix_path.c_str(), partial_path.c_str()); | 
|  | std::string remaining_partial_path; | 
|  |  | 
|  | const lldb::TypeClass type_class = clang_type.GetTypeClass(); | 
|  | if (partial_path.empty()) | 
|  | { | 
|  | if (clang_type.IsValid()) | 
|  | { | 
|  | switch (type_class) | 
|  | { | 
|  | default: | 
|  | case eTypeClassArray: | 
|  | case eTypeClassBlockPointer: | 
|  | case eTypeClassBuiltin: | 
|  | case eTypeClassComplexFloat: | 
|  | case eTypeClassComplexInteger: | 
|  | case eTypeClassEnumeration: | 
|  | case eTypeClassFunction: | 
|  | case eTypeClassMemberPointer: | 
|  | case eTypeClassReference: | 
|  | case eTypeClassTypedef: | 
|  | case eTypeClassVector: | 
|  | { | 
|  | matches.AppendString (prefix_path); | 
|  | word_complete = matches.GetSize() == 1; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case eTypeClassClass: | 
|  | case eTypeClassStruct: | 
|  | case eTypeClassUnion: | 
|  | if (prefix_path.back() != '.') | 
|  | matches.AppendString (prefix_path + '.'); | 
|  | break; | 
|  |  | 
|  | case eTypeClassObjCObject: | 
|  | case eTypeClassObjCInterface: | 
|  | break; | 
|  | case eTypeClassObjCObjectPointer: | 
|  | case eTypeClassPointer: | 
|  | { | 
|  | bool omit_empty_base_classes = true; | 
|  | if (clang_type.GetNumChildren (omit_empty_base_classes) > 0) | 
|  | matches.AppendString (prefix_path + "->"); | 
|  | else | 
|  | { | 
|  | matches.AppendString (prefix_path); | 
|  | word_complete = true; | 
|  | } | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | if (frame) | 
|  | { | 
|  | const bool get_file_globals = true; | 
|  |  | 
|  | VariableList *variable_list = frame->GetVariableList(get_file_globals); | 
|  |  | 
|  | if (variable_list) | 
|  | { | 
|  | const size_t num_variables = variable_list->GetSize(); | 
|  | for (size_t i=0; i<num_variables; ++i) | 
|  | { | 
|  | Variable *variable = variable_list->GetVariableAtIndex(i).get(); | 
|  | matches.AppendString (variable->GetName().AsCString()); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | const char ch = partial_path[0]; | 
|  | switch (ch) | 
|  | { | 
|  | case '*': | 
|  | if (prefix_path.empty()) | 
|  | { | 
|  | PrivateAutoComplete (frame, | 
|  | partial_path.substr(1), | 
|  | std::string("*"), | 
|  | clang_type, | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case '&': | 
|  | if (prefix_path.empty()) | 
|  | { | 
|  | PrivateAutoComplete (frame, | 
|  | partial_path.substr(1), | 
|  | std::string("&"), | 
|  | clang_type, | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case '-': | 
|  | if (partial_path[1] == '>' && !prefix_path.empty()) | 
|  | { | 
|  | switch (type_class) | 
|  | { | 
|  | case lldb::eTypeClassPointer: | 
|  | { | 
|  | CompilerType pointee_type(clang_type.GetPointeeType()); | 
|  | if (partial_path[2]) | 
|  | { | 
|  | // If there is more after the "->", then search deeper | 
|  | PrivateAutoComplete (frame, | 
|  | partial_path.substr(2), | 
|  | prefix_path + "->", | 
|  | pointee_type.GetCanonicalType(), | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | else | 
|  | { | 
|  | // Nothing after the "->", so list all members | 
|  | PrivateAutoCompleteMembers (frame, | 
|  | std::string(), | 
|  | std::string(), | 
|  | prefix_path + "->", | 
|  | pointee_type.GetCanonicalType(), | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | } | 
|  | default: | 
|  | break; | 
|  | } | 
|  | } | 
|  | break; | 
|  |  | 
|  | case '.': | 
|  | if (clang_type.IsValid()) | 
|  | { | 
|  | switch (type_class) | 
|  | { | 
|  | case lldb::eTypeClassUnion: | 
|  | case lldb::eTypeClassStruct: | 
|  | case lldb::eTypeClassClass: | 
|  | if (partial_path[1]) | 
|  | { | 
|  | // If there is more after the ".", then search deeper | 
|  | PrivateAutoComplete (frame, | 
|  | partial_path.substr(1), | 
|  | prefix_path + ".", | 
|  | clang_type, | 
|  | matches, | 
|  | word_complete); | 
|  |  | 
|  | } | 
|  | else | 
|  | { | 
|  | // Nothing after the ".", so list all members | 
|  | PrivateAutoCompleteMembers (frame, | 
|  | std::string(), | 
|  | partial_path, | 
|  | prefix_path + ".", | 
|  | clang_type, | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | default: | 
|  | break; | 
|  | } | 
|  | } | 
|  | break; | 
|  | default: | 
|  | if (isalpha(ch) || ch == '_' || ch == '$') | 
|  | { | 
|  | const size_t partial_path_len = partial_path.size(); | 
|  | size_t pos = 1; | 
|  | while (pos < partial_path_len) | 
|  | { | 
|  | const char curr_ch = partial_path[pos]; | 
|  | if (isalnum(curr_ch) || curr_ch == '_'  || curr_ch == '$') | 
|  | { | 
|  | ++pos; | 
|  | continue; | 
|  | } | 
|  | break; | 
|  | } | 
|  |  | 
|  | std::string token(partial_path, 0, pos); | 
|  | remaining_partial_path = partial_path.substr(pos); | 
|  |  | 
|  | if (clang_type.IsValid()) | 
|  | { | 
|  | PrivateAutoCompleteMembers (frame, | 
|  | token, | 
|  | remaining_partial_path, | 
|  | prefix_path, | 
|  | clang_type, | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | else if (frame) | 
|  | { | 
|  | // We haven't found our variable yet | 
|  | const bool get_file_globals = true; | 
|  |  | 
|  | VariableList *variable_list = frame->GetVariableList(get_file_globals); | 
|  |  | 
|  | if (!variable_list) | 
|  | break; | 
|  |  | 
|  | const size_t num_variables = variable_list->GetSize(); | 
|  | for (size_t i=0; i<num_variables; ++i) | 
|  | { | 
|  | Variable *variable = variable_list->GetVariableAtIndex(i).get(); | 
|  |  | 
|  | if (!variable) | 
|  | continue; | 
|  |  | 
|  | const char *variable_name = variable->GetName().AsCString(); | 
|  | if (strstr(variable_name, token.c_str()) == variable_name) | 
|  | { | 
|  | if (strcmp (variable_name, token.c_str()) == 0) | 
|  | { | 
|  | Type *variable_type = variable->GetType(); | 
|  | if (variable_type) | 
|  | { | 
|  | CompilerType variable_clang_type (variable_type->GetForwardCompilerType ()); | 
|  | PrivateAutoComplete (frame, | 
|  | remaining_partial_path, | 
|  | prefix_path + token, // Anything that has been resolved already will be in here | 
|  | variable_clang_type.GetCanonicalType(), | 
|  | matches, | 
|  | word_complete); | 
|  | } | 
|  | else | 
|  | { | 
|  | matches.AppendString (prefix_path + variable_name); | 
|  | } | 
|  | } | 
|  | else if (remaining_partial_path.empty()) | 
|  | { | 
|  | matches.AppendString (prefix_path + variable_name); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | size_t | 
|  | Variable::AutoComplete (const ExecutionContext &exe_ctx, | 
|  | const char *partial_path_cstr, | 
|  | StringList &matches, | 
|  | bool &word_complete) | 
|  | { | 
|  | word_complete = false; | 
|  | std::string partial_path; | 
|  | std::string prefix_path; | 
|  | CompilerType clang_type; | 
|  | if (partial_path_cstr && partial_path_cstr[0]) | 
|  | partial_path = partial_path_cstr; | 
|  |  | 
|  | PrivateAutoComplete (exe_ctx.GetFramePtr(), | 
|  | partial_path, | 
|  | prefix_path, | 
|  | clang_type, | 
|  | matches, | 
|  | word_complete); | 
|  |  | 
|  | return matches.GetSize(); | 
|  | } | 
|  |  |