Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 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 | |
Sean Callanan | 4dbb271 | 2015-09-25 20:35:58 +0000 | [diff] [blame] | 10 | #include "ClangExpressionDeclMap.h" |
| 11 | |
| 12 | #include "ASTDumper.h" |
| 13 | #include "ClangASTSource.h" |
| 14 | #include "ClangModulesDeclVendor.h" |
| 15 | #include "ClangPersistentVariables.h" |
| 16 | |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 17 | #include "lldb/Core/Address.h" |
| 18 | #include "lldb/Core/Module.h" |
Greg Clayton | 9191db4 | 2013-10-21 18:40:51 +0000 | [diff] [blame] | 19 | #include "lldb/Core/ModuleSpec.h" |
Greg Clayton | 7349bd9 | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 20 | #include "lldb/Core/RegisterValue.h" |
Sean Callanan | e4ec90e | 2010-12-16 03:17:46 +0000 | [diff] [blame] | 21 | #include "lldb/Core/ValueObjectConstResult.h" |
Sean Callanan | 9b3569b | 2011-12-10 03:12:34 +0000 | [diff] [blame] | 22 | #include "lldb/Core/ValueObjectVariable.h" |
Sean Callanan | 96d2730 | 2013-04-11 00:09:05 +0000 | [diff] [blame] | 23 | #include "lldb/Expression/Materializer.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 24 | #include "lldb/Symbol/ClangASTContext.h" |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 25 | #include "lldb/Symbol/CompileUnit.h" |
Paul Herman | d628cbb | 2015-09-15 23:44:17 +0000 | [diff] [blame] | 26 | #include "lldb/Symbol/CompilerDecl.h" |
Greg Clayton | 99558cc4 | 2015-08-24 23:46:31 +0000 | [diff] [blame] | 27 | #include "lldb/Symbol/CompilerDeclContext.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 28 | #include "lldb/Symbol/Function.h" |
| 29 | #include "lldb/Symbol/ObjectFile.h" |
| 30 | #include "lldb/Symbol/SymbolContext.h" |
Siva Chandra | 9293fc4 | 2016-01-07 23:32:34 +0000 | [diff] [blame] | 31 | #include "lldb/Symbol/SymbolFile.h" |
Sean Callanan | 503aa52 | 2011-10-12 00:12:34 +0000 | [diff] [blame] | 32 | #include "lldb/Symbol/SymbolVendor.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 33 | #include "lldb/Symbol/Type.h" |
| 34 | #include "lldb/Symbol/TypeList.h" |
| 35 | #include "lldb/Symbol/Variable.h" |
| 36 | #include "lldb/Symbol/VariableList.h" |
Sean Callanan | a0d5643 | 2014-11-11 02:49:44 +0000 | [diff] [blame] | 37 | #include "lldb/Target/CPPLanguageRuntime.h" |
Sean Callanan | 1d18066 | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 38 | #include "lldb/Target/ExecutionContext.h" |
Sean Callanan | e0b23b5 | 2012-11-15 02:02:04 +0000 | [diff] [blame] | 39 | #include "lldb/Target/ObjCLanguageRuntime.h" |
Sean Callanan | ea22d42 | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 40 | #include "lldb/Target/Process.h" |
Sean Callanan | f4b9bd3 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 41 | #include "lldb/Target/RegisterContext.h" |
Jason Molenda | b57e4a1 | 2013-11-04 09:33:30 +0000 | [diff] [blame] | 42 | #include "lldb/Target/StackFrame.h" |
Sean Callanan | 1d18066 | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 43 | #include "lldb/Target/Target.h" |
Jim Ingham | 895c982 | 2010-12-07 01:56:02 +0000 | [diff] [blame] | 44 | #include "lldb/Target/Thread.h" |
Zachary Turner | 01c3243 | 2017-02-14 19:06:07 +0000 | [diff] [blame] | 45 | #include "lldb/Utility/Endian.h" |
Zachary Turner | bf9a773 | 2017-02-02 21:39:50 +0000 | [diff] [blame] | 46 | #include "lldb/Utility/Error.h" |
Zachary Turner | 6f9e690 | 2017-03-03 20:56:28 +0000 | [diff] [blame] | 47 | #include "lldb/Utility/Log.h" |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 48 | #include "lldb/lldb-private.h" |
| 49 | #include "clang/AST/ASTConsumer.h" |
| 50 | #include "clang/AST/ASTContext.h" |
| 51 | #include "clang/AST/Decl.h" |
| 52 | #include "clang/AST/DeclarationName.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 53 | |
Siva Chandra | 0f4873d | 2015-09-03 23:27:10 +0000 | [diff] [blame] | 54 | #include "Plugins/Language/CPlusPlus/CPlusPlusLanguage.h" |
| 55 | |
Greg Clayton | 83c5cd9 | 2010-11-14 22:13:40 +0000 | [diff] [blame] | 56 | using namespace lldb; |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 57 | using namespace lldb_private; |
| 58 | using namespace clang; |
| 59 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 60 | namespace { |
| 61 | const char *g_lldb_local_vars_namespace_cstr = "$__lldb_local_vars"; |
Siva Chandra | 03ff5c8 | 2016-02-05 19:10:04 +0000 | [diff] [blame] | 62 | } // anonymous namespace |
| 63 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 64 | ClangExpressionDeclMap::ClangExpressionDeclMap( |
| 65 | bool keep_result_in_memory, |
| 66 | Materializer::PersistentVariableDelegate *result_delegate, |
| 67 | ExecutionContext &exe_ctx) |
| 68 | : ClangASTSource(exe_ctx.GetTargetSP()), m_found_entities(), |
| 69 | m_struct_members(), m_keep_result_in_memory(keep_result_in_memory), |
| 70 | m_result_delegate(result_delegate), m_parser_vars(), m_struct_vars() { |
| 71 | EnableStructVars(); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 72 | } |
| 73 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 74 | ClangExpressionDeclMap::~ClangExpressionDeclMap() { |
| 75 | // Note: The model is now that the parser's AST context and all associated |
| 76 | // data does not vanish until the expression has been executed. This means |
| 77 | // that valuable lookup data (like namespaces) doesn't vanish, but |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 78 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 79 | DidParse(); |
| 80 | DisableStructVars(); |
Sean Callanan | 979f74d | 2010-12-03 01:38:59 +0000 | [diff] [blame] | 81 | } |
Sean Callanan | be3a1b1 | 2010-10-26 00:31:56 +0000 | [diff] [blame] | 82 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 83 | bool ClangExpressionDeclMap::WillParse(ExecutionContext &exe_ctx, |
| 84 | Materializer *materializer) { |
| 85 | ClangASTMetrics::ClearLocalCounters(); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 86 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 87 | EnableParserVars(); |
| 88 | m_parser_vars->m_exe_ctx = exe_ctx; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 89 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 90 | Target *target = exe_ctx.GetTargetPtr(); |
| 91 | if (exe_ctx.GetFramePtr()) |
| 92 | m_parser_vars->m_sym_ctx = |
| 93 | exe_ctx.GetFramePtr()->GetSymbolContext(lldb::eSymbolContextEverything); |
| 94 | else if (exe_ctx.GetThreadPtr() && |
| 95 | exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0)) |
| 96 | m_parser_vars->m_sym_ctx = |
| 97 | exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(0)->GetSymbolContext( |
| 98 | lldb::eSymbolContextEverything); |
| 99 | else if (exe_ctx.GetProcessPtr()) { |
| 100 | m_parser_vars->m_sym_ctx.Clear(true); |
| 101 | m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP(); |
| 102 | } else if (target) { |
| 103 | m_parser_vars->m_sym_ctx.Clear(true); |
| 104 | m_parser_vars->m_sym_ctx.target_sp = exe_ctx.GetTargetSP(); |
| 105 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 106 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 107 | if (target) { |
| 108 | m_parser_vars->m_persistent_vars = llvm::cast<ClangPersistentVariables>( |
| 109 | target->GetPersistentExpressionStateForLanguage(eLanguageTypeC)); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 110 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 111 | if (!target->GetScratchClangASTContext()) |
| 112 | return false; |
| 113 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 114 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 115 | m_parser_vars->m_target_info = GetTargetInfo(); |
| 116 | m_parser_vars->m_materializer = materializer; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 117 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 118 | return true; |
Sean Callanan | 979f74d | 2010-12-03 01:38:59 +0000 | [diff] [blame] | 119 | } |
| 120 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 121 | void ClangExpressionDeclMap::InstallCodeGenerator( |
| 122 | clang::ASTConsumer *code_gen) { |
| 123 | assert(m_parser_vars); |
| 124 | m_parser_vars->m_code_gen = code_gen; |
Sean Callanan | 80c9759 | 2015-05-01 00:47:29 +0000 | [diff] [blame] | 125 | } |
| 126 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 127 | void ClangExpressionDeclMap::DidParse() { |
| 128 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Sean Callanan | 8106d80 | 2013-03-08 20:04:57 +0000 | [diff] [blame] | 129 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 130 | if (log) |
| 131 | ClangASTMetrics::DumpCounters(log); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 132 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 133 | if (m_parser_vars.get()) { |
| 134 | for (size_t entity_index = 0, num_entities = m_found_entities.GetSize(); |
| 135 | entity_index < num_entities; ++entity_index) { |
| 136 | ExpressionVariableSP var_sp( |
| 137 | m_found_entities.GetVariableAtIndex(entity_index)); |
| 138 | if (var_sp) |
| 139 | llvm::cast<ClangExpressionVariable>(var_sp.get()) |
| 140 | ->DisableParserVars(GetParserID()); |
Sean Callanan | 6b1b953 | 2010-10-08 01:58:41 +0000 | [diff] [blame] | 141 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 142 | |
| 143 | for (size_t pvar_index = 0, |
| 144 | num_pvars = m_parser_vars->m_persistent_vars->GetSize(); |
| 145 | pvar_index < num_pvars; ++pvar_index) { |
| 146 | ExpressionVariableSP pvar_sp( |
| 147 | m_parser_vars->m_persistent_vars->GetVariableAtIndex(pvar_index)); |
| 148 | if (ClangExpressionVariable *clang_var = |
| 149 | llvm::dyn_cast<ClangExpressionVariable>(pvar_sp.get())) |
| 150 | clang_var->DisableParserVars(GetParserID()); |
| 151 | } |
| 152 | |
| 153 | DisableParserVars(); |
| 154 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 155 | } |
| 156 | |
Sean Callanan | 549c9f7 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 157 | // Interface for IRForTarget |
| 158 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 159 | ClangExpressionDeclMap::TargetInfo ClangExpressionDeclMap::GetTargetInfo() { |
| 160 | assert(m_parser_vars.get()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 161 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 162 | TargetInfo ret; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 163 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 164 | ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx; |
Sean Callanan | 933693b | 2012-02-10 01:22:05 +0000 | [diff] [blame] | 165 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 166 | Process *process = exe_ctx.GetProcessPtr(); |
| 167 | if (process) { |
| 168 | ret.byte_order = process->GetByteOrder(); |
| 169 | ret.address_byte_size = process->GetAddressByteSize(); |
| 170 | } else { |
| 171 | Target *target = exe_ctx.GetTargetPtr(); |
| 172 | if (target) { |
| 173 | ret.byte_order = target->GetArchitecture().GetByteOrder(); |
| 174 | ret.address_byte_size = target->GetArchitecture().GetAddressByteSize(); |
Sean Callanan | 933693b | 2012-02-10 01:22:05 +0000 | [diff] [blame] | 175 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 176 | } |
Sean Callanan | 933693b | 2012-02-10 01:22:05 +0000 | [diff] [blame] | 177 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 178 | return ret; |
Sean Callanan | 3bfdaa2 | 2011-09-15 02:13:07 +0000 | [diff] [blame] | 179 | } |
| 180 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 181 | bool ClangExpressionDeclMap::AddPersistentVariable(const NamedDecl *decl, |
| 182 | const ConstString &name, |
| 183 | TypeFromParser parser_type, |
| 184 | bool is_result, |
| 185 | bool is_lvalue) { |
| 186 | assert(m_parser_vars.get()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 187 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 188 | ClangASTContext *ast = |
| 189 | llvm::dyn_cast_or_null<ClangASTContext>(parser_type.GetTypeSystem()); |
| 190 | if (ast == nullptr) |
| 191 | return false; |
Greg Clayton | f73034f | 2015-09-08 18:15:05 +0000 | [diff] [blame] | 192 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 193 | if (m_parser_vars->m_materializer && is_result) { |
| 194 | Error err; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 195 | |
Sean Callanan | 933693b | 2012-02-10 01:22:05 +0000 | [diff] [blame] | 196 | ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx; |
| 197 | Target *target = exe_ctx.GetTargetPtr(); |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 198 | if (target == nullptr) |
| 199 | return false; |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 200 | |
Greg Clayton | d8d4a57 | 2015-08-11 21:38:15 +0000 | [diff] [blame] | 201 | ClangASTContext *context(target->GetScratchClangASTContext()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 202 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 203 | TypeFromUser user_type(m_ast_importer_sp->DeportType( |
| 204 | context->getASTContext(), ast->getASTContext(), |
| 205 | parser_type.GetOpaqueQualType()), |
Sean Callanan | e1175b7 | 2011-01-13 21:23:32 +0000 | [diff] [blame] | 206 | context); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 207 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 208 | uint32_t offset = m_parser_vars->m_materializer->AddResultVariable( |
| 209 | user_type, is_lvalue, m_keep_result_in_memory, m_result_delegate, err); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 210 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 211 | ClangExpressionVariable *var = new ClangExpressionVariable( |
| 212 | exe_ctx.GetBestExecutionContextScope(), name, user_type, |
| 213 | m_parser_vars->m_target_info.byte_order, |
| 214 | m_parser_vars->m_target_info.address_byte_size); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 215 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 216 | m_found_entities.AddNewlyConstructedVariable(var); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 217 | |
Sean Callanan | bc8ac34 | 2015-09-04 20:49:51 +0000 | [diff] [blame] | 218 | var->EnableParserVars(GetParserID()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 219 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 220 | ClangExpressionVariable::ParserVars *parser_vars = |
| 221 | var->GetParserVars(GetParserID()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 222 | |
Sean Callanan | 3c495c1 | 2013-01-15 23:29:36 +0000 | [diff] [blame] | 223 | parser_vars->m_named_decl = decl; |
| 224 | parser_vars->m_parser_type = parser_type; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 225 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 226 | var->EnableJITVars(GetParserID()); |
| 227 | |
| 228 | ClangExpressionVariable::JITVars *jit_vars = var->GetJITVars(GetParserID()); |
| 229 | |
| 230 | jit_vars->m_offset = offset; |
| 231 | |
Sean Callanan | 64dfc9a | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 232 | return true; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 236 | ExecutionContext &exe_ctx = m_parser_vars->m_exe_ctx; |
| 237 | Target *target = exe_ctx.GetTargetPtr(); |
| 238 | if (target == NULL) |
| 239 | return false; |
| 240 | |
| 241 | ClangASTContext *context(target->GetScratchClangASTContext()); |
| 242 | |
| 243 | TypeFromUser user_type(m_ast_importer_sp->DeportType( |
| 244 | context->getASTContext(), ast->getASTContext(), |
| 245 | parser_type.GetOpaqueQualType()), |
| 246 | context); |
| 247 | |
| 248 | if (!user_type.GetOpaqueQualType()) { |
| 249 | if (log) |
| 250 | log->Printf("Persistent variable's type wasn't copied successfully"); |
| 251 | return false; |
| 252 | } |
| 253 | |
| 254 | if (!m_parser_vars->m_target_info.IsValid()) |
| 255 | return false; |
| 256 | |
| 257 | ClangExpressionVariable *var = llvm::cast<ClangExpressionVariable>( |
| 258 | m_parser_vars->m_persistent_vars |
| 259 | ->CreatePersistentVariable( |
| 260 | exe_ctx.GetBestExecutionContextScope(), name, user_type, |
| 261 | m_parser_vars->m_target_info.byte_order, |
| 262 | m_parser_vars->m_target_info.address_byte_size) |
| 263 | .get()); |
| 264 | |
| 265 | if (!var) |
| 266 | return false; |
| 267 | |
| 268 | var->m_frozen_sp->SetHasCompleteType(); |
| 269 | |
| 270 | if (is_result) |
| 271 | var->m_flags |= ClangExpressionVariable::EVNeedsFreezeDry; |
| 272 | else |
| 273 | var->m_flags |= |
| 274 | ClangExpressionVariable::EVKeepInTarget; // explicitly-declared |
| 275 | // persistent variables should |
| 276 | // persist |
| 277 | |
| 278 | if (is_lvalue) { |
| 279 | var->m_flags |= ClangExpressionVariable::EVIsProgramReference; |
| 280 | } else { |
| 281 | var->m_flags |= ClangExpressionVariable::EVIsLLDBAllocated; |
| 282 | var->m_flags |= ClangExpressionVariable::EVNeedsAllocation; |
| 283 | } |
| 284 | |
| 285 | if (m_keep_result_in_memory) { |
| 286 | var->m_flags |= ClangExpressionVariable::EVKeepInTarget; |
| 287 | } |
| 288 | |
| 289 | if (log) |
| 290 | log->Printf("Created persistent variable with flags 0x%hx", var->m_flags); |
| 291 | |
| 292 | var->EnableParserVars(GetParserID()); |
| 293 | |
| 294 | ClangExpressionVariable::ParserVars *parser_vars = |
| 295 | var->GetParserVars(GetParserID()); |
| 296 | |
| 297 | parser_vars->m_named_decl = decl; |
| 298 | parser_vars->m_parser_type = parser_type; |
| 299 | |
| 300 | return true; |
Sean Callanan | 2235f32 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 301 | } |
| 302 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 303 | bool ClangExpressionDeclMap::AddValueToStruct(const NamedDecl *decl, |
| 304 | const ConstString &name, |
| 305 | llvm::Value *value, size_t size, |
| 306 | lldb::offset_t alignment) { |
| 307 | assert(m_struct_vars.get()); |
| 308 | assert(m_parser_vars.get()); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 309 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 310 | bool is_persistent_variable = false; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 311 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 312 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 313 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 314 | m_struct_vars->m_struct_laid_out = false; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 315 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 316 | if (ClangExpressionVariable::FindVariableInList(m_struct_members, decl, |
| 317 | GetParserID())) |
| 318 | return true; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 319 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 320 | ClangExpressionVariable *var(ClangExpressionVariable::FindVariableInList( |
| 321 | m_found_entities, decl, GetParserID())); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 322 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 323 | if (!var) { |
| 324 | var = ClangExpressionVariable::FindVariableInList( |
| 325 | *m_parser_vars->m_persistent_vars, decl, GetParserID()); |
| 326 | is_persistent_variable = true; |
| 327 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 328 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 329 | if (!var) |
| 330 | return false; |
| 331 | |
| 332 | if (log) |
| 333 | log->Printf("Adding value for (NamedDecl*)%p [%s - %s] to the structure", |
| 334 | static_cast<const void *>(decl), name.GetCString(), |
| 335 | var->GetName().GetCString()); |
| 336 | |
| 337 | // We know entity->m_parser_vars is valid because we used a parser variable |
| 338 | // to find it |
| 339 | |
| 340 | ClangExpressionVariable::ParserVars *parser_vars = |
| 341 | llvm::cast<ClangExpressionVariable>(var)->GetParserVars(GetParserID()); |
| 342 | |
| 343 | parser_vars->m_llvm_value = value; |
| 344 | |
| 345 | if (ClangExpressionVariable::JITVars *jit_vars = |
| 346 | llvm::cast<ClangExpressionVariable>(var)->GetJITVars(GetParserID())) { |
| 347 | // We already laid this out; do not touch |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 348 | |
Sean Callanan | 823bb4c | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 349 | if (log) |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 350 | log->Printf("Already placed at 0x%llx", |
| 351 | (unsigned long long)jit_vars->m_offset); |
| 352 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 353 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 354 | llvm::cast<ClangExpressionVariable>(var)->EnableJITVars(GetParserID()); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 355 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 356 | ClangExpressionVariable::JITVars *jit_vars = |
| 357 | llvm::cast<ClangExpressionVariable>(var)->GetJITVars(GetParserID()); |
Sean Callanan | 3c495c1 | 2013-01-15 23:29:36 +0000 | [diff] [blame] | 358 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 359 | jit_vars->m_alignment = alignment; |
| 360 | jit_vars->m_size = size; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 361 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 362 | m_struct_members.AddVariable(var->shared_from_this()); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 363 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 364 | if (m_parser_vars->m_materializer) { |
| 365 | uint32_t offset = 0; |
| 366 | |
| 367 | Error err; |
| 368 | |
| 369 | if (is_persistent_variable) { |
| 370 | ExpressionVariableSP var_sp(var->shared_from_this()); |
| 371 | offset = m_parser_vars->m_materializer->AddPersistentVariable( |
| 372 | var_sp, nullptr, err); |
| 373 | } else { |
| 374 | if (const lldb_private::Symbol *sym = parser_vars->m_lldb_sym) |
| 375 | offset = m_parser_vars->m_materializer->AddSymbol(*sym, err); |
| 376 | else if (const RegisterInfo *reg_info = var->GetRegisterInfo()) |
| 377 | offset = m_parser_vars->m_materializer->AddRegister(*reg_info, err); |
| 378 | else if (parser_vars->m_lldb_var) |
| 379 | offset = m_parser_vars->m_materializer->AddVariable( |
| 380 | parser_vars->m_lldb_var, err); |
Sean Callanan | 1582ee6 | 2013-04-18 22:06:33 +0000 | [diff] [blame] | 381 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 382 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 383 | if (!err.Success()) |
| 384 | return false; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 385 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 386 | if (log) |
| 387 | log->Printf("Placed at 0x%llx", (unsigned long long)offset); |
Sean Callanan | 3c495c1 | 2013-01-15 23:29:36 +0000 | [diff] [blame] | 388 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 389 | jit_vars->m_offset = |
| 390 | offset; // TODO DoStructLayout() should not change this. |
| 391 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 392 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 393 | return true; |
| 394 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 395 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 396 | bool ClangExpressionDeclMap::DoStructLayout() { |
| 397 | assert(m_struct_vars.get()); |
Sean Callanan | 3dd6a42 | 2013-04-11 21:16:36 +0000 | [diff] [blame] | 398 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 399 | if (m_struct_vars->m_struct_laid_out) |
| 400 | return true; |
Sean Callanan | df66765 | 2013-04-11 02:05:11 +0000 | [diff] [blame] | 401 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 402 | if (!m_parser_vars->m_materializer) |
| 403 | return false; |
| 404 | |
| 405 | m_struct_vars->m_struct_alignment = |
| 406 | m_parser_vars->m_materializer->GetStructAlignment(); |
| 407 | m_struct_vars->m_struct_size = |
| 408 | m_parser_vars->m_materializer->GetStructByteSize(); |
| 409 | m_struct_vars->m_struct_laid_out = true; |
| 410 | return true; |
| 411 | } |
| 412 | |
| 413 | bool ClangExpressionDeclMap::GetStructInfo(uint32_t &num_elements, size_t &size, |
| 414 | lldb::offset_t &alignment) { |
| 415 | assert(m_struct_vars.get()); |
| 416 | |
| 417 | if (!m_struct_vars->m_struct_laid_out) |
| 418 | return false; |
| 419 | |
| 420 | num_elements = m_struct_members.GetSize(); |
| 421 | size = m_struct_vars->m_struct_size; |
| 422 | alignment = m_struct_vars->m_struct_alignment; |
| 423 | |
| 424 | return true; |
| 425 | } |
| 426 | |
| 427 | bool ClangExpressionDeclMap::GetStructElement(const NamedDecl *&decl, |
| 428 | llvm::Value *&value, |
| 429 | lldb::offset_t &offset, |
| 430 | ConstString &name, |
| 431 | uint32_t index) { |
| 432 | assert(m_struct_vars.get()); |
| 433 | |
| 434 | if (!m_struct_vars->m_struct_laid_out) |
| 435 | return false; |
| 436 | |
| 437 | if (index >= m_struct_members.GetSize()) |
| 438 | return false; |
| 439 | |
| 440 | ExpressionVariableSP member_sp(m_struct_members.GetVariableAtIndex(index)); |
| 441 | |
| 442 | if (!member_sp) |
| 443 | return false; |
| 444 | |
| 445 | ClangExpressionVariable::ParserVars *parser_vars = |
| 446 | llvm::cast<ClangExpressionVariable>(member_sp.get()) |
| 447 | ->GetParserVars(GetParserID()); |
| 448 | ClangExpressionVariable::JITVars *jit_vars = |
| 449 | llvm::cast<ClangExpressionVariable>(member_sp.get()) |
| 450 | ->GetJITVars(GetParserID()); |
| 451 | |
| 452 | if (!parser_vars || !jit_vars || !member_sp->GetValueObject()) |
| 453 | return false; |
| 454 | |
| 455 | decl = parser_vars->m_named_decl; |
| 456 | value = parser_vars->m_llvm_value; |
| 457 | offset = jit_vars->m_offset; |
| 458 | name = member_sp->GetName(); |
| 459 | |
| 460 | return true; |
| 461 | } |
| 462 | |
| 463 | bool ClangExpressionDeclMap::GetFunctionInfo(const NamedDecl *decl, |
| 464 | uint64_t &ptr) { |
| 465 | ClangExpressionVariable *entity(ClangExpressionVariable::FindVariableInList( |
| 466 | m_found_entities, decl, GetParserID())); |
| 467 | |
| 468 | if (!entity) |
| 469 | return false; |
| 470 | |
| 471 | // We know m_parser_vars is valid since we searched for the variable by |
| 472 | // its NamedDecl |
| 473 | |
| 474 | ClangExpressionVariable::ParserVars *parser_vars = |
| 475 | entity->GetParserVars(GetParserID()); |
| 476 | |
| 477 | ptr = parser_vars->m_lldb_value.GetScalar().ULongLong(); |
| 478 | |
| 479 | return true; |
| 480 | } |
| 481 | |
| 482 | addr_t ClangExpressionDeclMap::GetSymbolAddress(Target &target, |
| 483 | Process *process, |
| 484 | const ConstString &name, |
| 485 | lldb::SymbolType symbol_type, |
| 486 | lldb_private::Module *module) { |
| 487 | SymbolContextList sc_list; |
| 488 | |
| 489 | if (module) |
| 490 | module->FindSymbolsWithNameAndType(name, symbol_type, sc_list); |
| 491 | else |
| 492 | target.GetImages().FindSymbolsWithNameAndType(name, symbol_type, sc_list); |
| 493 | |
| 494 | const uint32_t num_matches = sc_list.GetSize(); |
| 495 | addr_t symbol_load_addr = LLDB_INVALID_ADDRESS; |
| 496 | |
| 497 | for (uint32_t i = 0; |
| 498 | i < num_matches && |
| 499 | (symbol_load_addr == 0 || symbol_load_addr == LLDB_INVALID_ADDRESS); |
| 500 | i++) { |
| 501 | SymbolContext sym_ctx; |
| 502 | sc_list.GetContextAtIndex(i, sym_ctx); |
| 503 | |
| 504 | const Address sym_address = sym_ctx.symbol->GetAddress(); |
| 505 | |
| 506 | if (!sym_address.IsValid()) |
| 507 | continue; |
| 508 | |
| 509 | switch (sym_ctx.symbol->GetType()) { |
| 510 | case eSymbolTypeCode: |
| 511 | case eSymbolTypeTrampoline: |
| 512 | symbol_load_addr = sym_address.GetCallableLoadAddress(&target); |
| 513 | break; |
| 514 | |
| 515 | case eSymbolTypeResolver: |
| 516 | symbol_load_addr = sym_address.GetCallableLoadAddress(&target, true); |
| 517 | break; |
| 518 | |
| 519 | case eSymbolTypeReExported: { |
| 520 | ConstString reexport_name = sym_ctx.symbol->GetReExportedSymbolName(); |
| 521 | if (reexport_name) { |
| 522 | ModuleSP reexport_module_sp; |
| 523 | ModuleSpec reexport_module_spec; |
| 524 | reexport_module_spec.GetPlatformFileSpec() = |
| 525 | sym_ctx.symbol->GetReExportedSymbolSharedLibrary(); |
| 526 | if (reexport_module_spec.GetPlatformFileSpec()) { |
| 527 | reexport_module_sp = |
| 528 | target.GetImages().FindFirstModule(reexport_module_spec); |
| 529 | if (!reexport_module_sp) { |
| 530 | reexport_module_spec.GetPlatformFileSpec().GetDirectory().Clear(); |
| 531 | reexport_module_sp = |
| 532 | target.GetImages().FindFirstModule(reexport_module_spec); |
| 533 | } |
Sean Callanan | df66765 | 2013-04-11 02:05:11 +0000 | [diff] [blame] | 534 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 535 | symbol_load_addr = GetSymbolAddress( |
| 536 | target, process, sym_ctx.symbol->GetReExportedSymbolName(), |
| 537 | symbol_type, reexport_module_sp.get()); |
| 538 | } |
| 539 | } break; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 540 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 541 | case eSymbolTypeData: |
| 542 | case eSymbolTypeRuntime: |
| 543 | case eSymbolTypeVariable: |
| 544 | case eSymbolTypeLocal: |
| 545 | case eSymbolTypeParam: |
| 546 | case eSymbolTypeInvalid: |
| 547 | case eSymbolTypeAbsolute: |
| 548 | case eSymbolTypeException: |
| 549 | case eSymbolTypeSourceFile: |
| 550 | case eSymbolTypeHeaderFile: |
| 551 | case eSymbolTypeObjectFile: |
| 552 | case eSymbolTypeCommonBlock: |
| 553 | case eSymbolTypeBlock: |
| 554 | case eSymbolTypeVariableType: |
| 555 | case eSymbolTypeLineEntry: |
| 556 | case eSymbolTypeLineHeader: |
| 557 | case eSymbolTypeScopeBegin: |
| 558 | case eSymbolTypeScopeEnd: |
| 559 | case eSymbolTypeAdditional: |
| 560 | case eSymbolTypeCompiler: |
| 561 | case eSymbolTypeInstrumentation: |
| 562 | case eSymbolTypeUndefined: |
| 563 | case eSymbolTypeObjCClass: |
| 564 | case eSymbolTypeObjCMetaClass: |
| 565 | case eSymbolTypeObjCIVar: |
| 566 | symbol_load_addr = sym_address.GetLoadAddress(&target); |
| 567 | break; |
Sean Callanan | df66765 | 2013-04-11 02:05:11 +0000 | [diff] [blame] | 568 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 569 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 570 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 571 | if (symbol_load_addr == LLDB_INVALID_ADDRESS && process) { |
| 572 | ObjCLanguageRuntime *runtime = process->GetObjCLanguageRuntime(); |
Sean Callanan | 549c9f7 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 573 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 574 | if (runtime) { |
| 575 | symbol_load_addr = runtime->LookupRuntimeSymbol(name); |
Greg Clayton | 084db10 | 2011-06-23 04:25:29 +0000 | [diff] [blame] | 576 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 577 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 578 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 579 | return symbol_load_addr; |
Sean Callanan | c3a1600 | 2011-01-17 23:42:46 +0000 | [diff] [blame] | 580 | } |
| 581 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 582 | addr_t ClangExpressionDeclMap::GetSymbolAddress(const ConstString &name, |
| 583 | lldb::SymbolType symbol_type) { |
| 584 | assert(m_parser_vars.get()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 585 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 586 | if (!m_parser_vars->m_exe_ctx.GetTargetPtr()) |
| 587 | return false; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 588 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 589 | return GetSymbolAddress(m_parser_vars->m_exe_ctx.GetTargetRef(), |
| 590 | m_parser_vars->m_exe_ctx.GetProcessPtr(), name, |
| 591 | symbol_type); |
Sean Callanan | d9ca42a | 2011-05-08 02:21:26 +0000 | [diff] [blame] | 592 | } |
| 593 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 594 | const Symbol *ClangExpressionDeclMap::FindGlobalDataSymbol( |
| 595 | Target &target, const ConstString &name, lldb_private::Module *module) { |
| 596 | SymbolContextList sc_list; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 597 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 598 | if (module) |
| 599 | module->FindSymbolsWithNameAndType(name, eSymbolTypeAny, sc_list); |
| 600 | else |
| 601 | target.GetImages().FindSymbolsWithNameAndType(name, eSymbolTypeAny, |
| 602 | sc_list); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 603 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 604 | const uint32_t matches = sc_list.GetSize(); |
| 605 | for (uint32_t i = 0; i < matches; ++i) { |
| 606 | SymbolContext sym_ctx; |
| 607 | sc_list.GetContextAtIndex(i, sym_ctx); |
| 608 | if (sym_ctx.symbol) { |
| 609 | const Symbol *symbol = sym_ctx.symbol; |
| 610 | const Address sym_address = symbol->GetAddress(); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 611 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 612 | if (sym_address.IsValid()) { |
| 613 | switch (symbol->GetType()) { |
| 614 | case eSymbolTypeData: |
| 615 | case eSymbolTypeRuntime: |
| 616 | case eSymbolTypeAbsolute: |
| 617 | case eSymbolTypeObjCClass: |
| 618 | case eSymbolTypeObjCMetaClass: |
| 619 | case eSymbolTypeObjCIVar: |
| 620 | if (symbol->GetDemangledNameIsSynthesized()) { |
| 621 | // If the demangled name was synthesized, then don't use it |
| 622 | // for expressions. Only let the symbol match if the mangled |
| 623 | // named matches for these symbols. |
| 624 | if (symbol->GetMangled().GetMangledName() != name) |
| 625 | break; |
| 626 | } |
| 627 | return symbol; |
Greg Clayton | 3d51b9f | 2012-11-27 01:52:16 +0000 | [diff] [blame] | 628 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 629 | case eSymbolTypeReExported: { |
| 630 | ConstString reexport_name = symbol->GetReExportedSymbolName(); |
| 631 | if (reexport_name) { |
| 632 | ModuleSP reexport_module_sp; |
| 633 | ModuleSpec reexport_module_spec; |
| 634 | reexport_module_spec.GetPlatformFileSpec() = |
| 635 | symbol->GetReExportedSymbolSharedLibrary(); |
| 636 | if (reexport_module_spec.GetPlatformFileSpec()) { |
| 637 | reexport_module_sp = |
| 638 | target.GetImages().FindFirstModule(reexport_module_spec); |
| 639 | if (!reexport_module_sp) { |
| 640 | reexport_module_spec.GetPlatformFileSpec() |
| 641 | .GetDirectory() |
| 642 | .Clear(); |
| 643 | reexport_module_sp = |
| 644 | target.GetImages().FindFirstModule(reexport_module_spec); |
| 645 | } |
Greg Clayton | 3d51b9f | 2012-11-27 01:52:16 +0000 | [diff] [blame] | 646 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 647 | // Don't allow us to try and resolve a re-exported symbol if it is |
| 648 | // the same |
| 649 | // as the current symbol |
| 650 | if (name == symbol->GetReExportedSymbolName() && |
| 651 | module == reexport_module_sp.get()) |
| 652 | return NULL; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 653 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 654 | return FindGlobalDataSymbol(target, |
| 655 | symbol->GetReExportedSymbolName(), |
| 656 | reexport_module_sp.get()); |
| 657 | } |
| 658 | } break; |
| 659 | |
| 660 | case eSymbolTypeCode: // We already lookup functions elsewhere |
| 661 | case eSymbolTypeVariable: |
| 662 | case eSymbolTypeLocal: |
| 663 | case eSymbolTypeParam: |
| 664 | case eSymbolTypeTrampoline: |
| 665 | case eSymbolTypeInvalid: |
| 666 | case eSymbolTypeException: |
| 667 | case eSymbolTypeSourceFile: |
| 668 | case eSymbolTypeHeaderFile: |
| 669 | case eSymbolTypeObjectFile: |
| 670 | case eSymbolTypeCommonBlock: |
| 671 | case eSymbolTypeBlock: |
| 672 | case eSymbolTypeVariableType: |
| 673 | case eSymbolTypeLineEntry: |
| 674 | case eSymbolTypeLineHeader: |
| 675 | case eSymbolTypeScopeBegin: |
| 676 | case eSymbolTypeScopeEnd: |
| 677 | case eSymbolTypeAdditional: |
| 678 | case eSymbolTypeCompiler: |
| 679 | case eSymbolTypeInstrumentation: |
| 680 | case eSymbolTypeUndefined: |
| 681 | case eSymbolTypeResolver: |
| 682 | break; |
| 683 | } |
| 684 | } |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | return NULL; |
Sean Callanan | d9ca42a | 2011-05-08 02:21:26 +0000 | [diff] [blame] | 689 | } |
| 690 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 691 | lldb::VariableSP ClangExpressionDeclMap::FindGlobalVariable( |
| 692 | Target &target, ModuleSP &module, const ConstString &name, |
| 693 | CompilerDeclContext *namespace_decl, TypeFromUser *type) { |
| 694 | VariableList vars; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 695 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 696 | if (module && namespace_decl) |
| 697 | module->FindGlobalVariables(name, namespace_decl, true, -1, vars); |
| 698 | else |
| 699 | target.GetImages().FindGlobalVariables(name, true, -1, vars); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 700 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 701 | if (vars.GetSize()) { |
| 702 | if (type) { |
| 703 | for (size_t i = 0; i < vars.GetSize(); ++i) { |
| 704 | VariableSP var_sp = vars.GetVariableAtIndex(i); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 705 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 706 | if (ClangASTContext::AreTypesSame( |
| 707 | *type, var_sp->GetType()->GetFullCompilerType())) |
| 708 | return var_sp; |
| 709 | } |
| 710 | } else { |
| 711 | return vars.GetVariableAtIndex(0); |
Sean Callanan | 3bfdaa2 | 2011-09-15 02:13:07 +0000 | [diff] [blame] | 712 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 713 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 714 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 715 | return VariableSP(); |
Sean Callanan | 3bfdaa2 | 2011-09-15 02:13:07 +0000 | [diff] [blame] | 716 | } |
| 717 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 718 | ClangASTContext *ClangExpressionDeclMap::GetClangASTContext() { |
| 719 | StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr(); |
| 720 | if (frame == nullptr) |
| 721 | return nullptr; |
Siva Chandra | 03ff5c8 | 2016-02-05 19:10:04 +0000 | [diff] [blame] | 722 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 723 | SymbolContext sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction | |
| 724 | lldb::eSymbolContextBlock); |
| 725 | if (sym_ctx.block == nullptr) |
| 726 | return nullptr; |
Siva Chandra | 03ff5c8 | 2016-02-05 19:10:04 +0000 | [diff] [blame] | 727 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 728 | CompilerDeclContext frame_decl_context = sym_ctx.block->GetDeclContext(); |
| 729 | if (!frame_decl_context) |
| 730 | return nullptr; |
Siva Chandra | 03ff5c8 | 2016-02-05 19:10:04 +0000 | [diff] [blame] | 731 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 732 | return llvm::dyn_cast_or_null<ClangASTContext>( |
| 733 | frame_decl_context.GetTypeSystem()); |
Siva Chandra | 03ff5c8 | 2016-02-05 19:10:04 +0000 | [diff] [blame] | 734 | } |
| 735 | |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 736 | // Interface for ClangASTSource |
Sean Callanan | 3bfdaa2 | 2011-09-15 02:13:07 +0000 | [diff] [blame] | 737 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 738 | void ClangExpressionDeclMap::FindExternalVisibleDecls( |
| 739 | NameSearchContext &context) { |
| 740 | assert(m_ast_context); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 741 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 742 | ClangASTMetrics::RegisterVisibleQuery(); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 743 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 744 | const ConstString name(context.m_decl_name.getAsString().c_str()); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 745 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 746 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 747 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 748 | if (GetImportInProgress()) { |
| 749 | if (log && log->GetVerbose()) |
| 750 | log->Printf("Ignoring a query during an import"); |
| 751 | return; |
| 752 | } |
| 753 | |
| 754 | static unsigned int invocation_id = 0; |
| 755 | unsigned int current_id = invocation_id++; |
| 756 | |
| 757 | if (log) { |
| 758 | if (!context.m_decl_context) |
| 759 | log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for " |
| 760 | "'%s' in a NULL DeclContext", |
| 761 | current_id, name.GetCString()); |
| 762 | else if (const NamedDecl *context_named_decl = |
| 763 | dyn_cast<NamedDecl>(context.m_decl_context)) |
| 764 | log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for " |
| 765 | "'%s' in '%s'", |
| 766 | current_id, name.GetCString(), |
| 767 | context_named_decl->getNameAsString().c_str()); |
| 768 | else |
| 769 | log->Printf("ClangExpressionDeclMap::FindExternalVisibleDecls[%u] for " |
| 770 | "'%s' in a '%s'", |
| 771 | current_id, name.GetCString(), |
| 772 | context.m_decl_context->getDeclKindName()); |
| 773 | } |
| 774 | |
| 775 | if (const NamespaceDecl *namespace_context = |
| 776 | dyn_cast<NamespaceDecl>(context.m_decl_context)) { |
| 777 | if (namespace_context->getName().str() == |
| 778 | std::string(g_lldb_local_vars_namespace_cstr)) { |
| 779 | CompilerDeclContext compiler_decl_ctx( |
| 780 | GetClangASTContext(), const_cast<void *>(static_cast<const void *>( |
| 781 | context.m_decl_context))); |
| 782 | FindExternalVisibleDecls(context, lldb::ModuleSP(), compiler_decl_ctx, |
| 783 | current_id); |
| 784 | return; |
Sean Callanan | 6abfabf | 2010-11-19 20:20:02 +0000 | [diff] [blame] | 785 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 786 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 787 | ClangASTImporter::NamespaceMapSP namespace_map = |
| 788 | m_ast_importer_sp->GetNamespaceMap(namespace_context); |
| 789 | |
| 790 | if (log && log->GetVerbose()) |
| 791 | log->Printf(" CEDM::FEVD[%u] Inspecting (NamespaceMap*)%p (%d entries)", |
| 792 | current_id, static_cast<void *>(namespace_map.get()), |
| 793 | (int)namespace_map->size()); |
| 794 | |
| 795 | if (!namespace_map) |
| 796 | return; |
| 797 | |
| 798 | for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(), |
| 799 | e = namespace_map->end(); |
| 800 | i != e; ++i) { |
| 801 | if (log) |
| 802 | log->Printf(" CEDM::FEVD[%u] Searching namespace %s in module %s", |
| 803 | current_id, i->second.GetName().AsCString(), |
| 804 | i->first->GetFileSpec().GetFilename().GetCString()); |
| 805 | |
| 806 | FindExternalVisibleDecls(context, i->first, i->second, current_id); |
| 807 | } |
| 808 | } else if (isa<TranslationUnitDecl>(context.m_decl_context)) { |
| 809 | CompilerDeclContext namespace_decl; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 810 | |
Sean Callanan | 503aa52 | 2011-10-12 00:12:34 +0000 | [diff] [blame] | 811 | if (log) |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 812 | log->Printf(" CEDM::FEVD[%u] Searching the root namespace", current_id); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 813 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 814 | FindExternalVisibleDecls(context, lldb::ModuleSP(), namespace_decl, |
| 815 | current_id); |
| 816 | } |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 817 | |
| 818 | ClangASTSource::FindExternalVisibleDecls(context); |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | void ClangExpressionDeclMap::FindExternalVisibleDecls( |
| 822 | NameSearchContext &context, lldb::ModuleSP module_sp, |
| 823 | CompilerDeclContext &namespace_decl, unsigned int current_id) { |
| 824 | assert(m_ast_context); |
| 825 | |
| 826 | std::function<void(clang::FunctionDecl *)> MaybeRegisterFunctionBody = |
| 827 | [this](clang::FunctionDecl *copied_function_decl) { |
| 828 | if (copied_function_decl->getBody() && m_parser_vars->m_code_gen) { |
| 829 | DeclGroupRef decl_group_ref(copied_function_decl); |
| 830 | m_parser_vars->m_code_gen->HandleTopLevelDecl(decl_group_ref); |
| 831 | } |
| 832 | }; |
| 833 | |
| 834 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 835 | |
| 836 | SymbolContextList sc_list; |
| 837 | |
| 838 | const ConstString name(context.m_decl_name.getAsString().c_str()); |
| 839 | |
| 840 | const char *name_unique_cstr = name.GetCString(); |
| 841 | |
| 842 | if (name_unique_cstr == NULL) |
| 843 | return; |
| 844 | |
| 845 | static ConstString id_name("id"); |
| 846 | static ConstString Class_name("Class"); |
| 847 | |
| 848 | if (name == id_name || name == Class_name) |
| 849 | return; |
| 850 | |
| 851 | // Only look for functions by name out in our symbols if the function |
| 852 | // doesn't start with our phony prefix of '$' |
| 853 | Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr(); |
| 854 | StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr(); |
| 855 | SymbolContext sym_ctx; |
| 856 | if (frame != nullptr) |
| 857 | sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction | |
| 858 | lldb::eSymbolContextBlock); |
| 859 | |
| 860 | // Try the persistent decls, which take precedence over all else. |
| 861 | if (!namespace_decl) { |
| 862 | do { |
| 863 | if (!target) |
| 864 | break; |
| 865 | |
| 866 | ClangASTContext *scratch_clang_ast_context = |
| 867 | target->GetScratchClangASTContext(); |
| 868 | |
| 869 | if (!scratch_clang_ast_context) |
| 870 | break; |
| 871 | |
| 872 | ASTContext *scratch_ast_context = |
| 873 | scratch_clang_ast_context->getASTContext(); |
| 874 | |
| 875 | if (!scratch_ast_context) |
| 876 | break; |
| 877 | |
| 878 | NamedDecl *persistent_decl = |
| 879 | m_parser_vars->m_persistent_vars->GetPersistentDecl(name); |
| 880 | |
| 881 | if (!persistent_decl) |
| 882 | break; |
| 883 | |
| 884 | Decl *parser_persistent_decl = m_ast_importer_sp->CopyDecl( |
| 885 | m_ast_context, scratch_ast_context, persistent_decl); |
| 886 | |
| 887 | if (!parser_persistent_decl) |
| 888 | break; |
| 889 | |
| 890 | NamedDecl *parser_named_decl = |
| 891 | dyn_cast<NamedDecl>(parser_persistent_decl); |
| 892 | |
| 893 | if (!parser_named_decl) |
| 894 | break; |
| 895 | |
| 896 | if (clang::FunctionDecl *parser_function_decl = |
| 897 | llvm::dyn_cast<clang::FunctionDecl>(parser_named_decl)) { |
| 898 | MaybeRegisterFunctionBody(parser_function_decl); |
| 899 | } |
| 900 | |
| 901 | if (log) |
| 902 | log->Printf(" CEDM::FEVD[%u] Found persistent decl %s", current_id, |
| 903 | name.GetCString()); |
| 904 | |
| 905 | context.AddNamedDecl(parser_named_decl); |
| 906 | } while (0); |
| 907 | } |
| 908 | |
| 909 | if (name_unique_cstr[0] == '$' && !namespace_decl) { |
| 910 | static ConstString g_lldb_class_name("$__lldb_class"); |
| 911 | |
| 912 | if (name == g_lldb_class_name) { |
| 913 | // Clang is looking for the type of "this" |
| 914 | |
| 915 | if (frame == NULL) |
| 916 | return; |
| 917 | |
| 918 | // Find the block that defines the function represented by "sym_ctx" |
| 919 | Block *function_block = sym_ctx.GetFunctionBlock(); |
| 920 | |
| 921 | if (!function_block) |
| 922 | return; |
| 923 | |
| 924 | CompilerDeclContext function_decl_ctx = function_block->GetDeclContext(); |
| 925 | |
| 926 | if (!function_decl_ctx) |
| 927 | return; |
| 928 | |
| 929 | clang::CXXMethodDecl *method_decl = |
| 930 | ClangASTContext::DeclContextGetAsCXXMethodDecl(function_decl_ctx); |
| 931 | |
| 932 | if (method_decl) { |
| 933 | clang::CXXRecordDecl *class_decl = method_decl->getParent(); |
| 934 | |
| 935 | QualType class_qual_type(class_decl->getTypeForDecl(), 0); |
| 936 | |
| 937 | TypeFromUser class_user_type( |
| 938 | class_qual_type.getAsOpaquePtr(), |
| 939 | ClangASTContext::GetASTContext(&class_decl->getASTContext())); |
| 940 | |
| 941 | if (log) { |
| 942 | ASTDumper ast_dumper(class_qual_type); |
| 943 | log->Printf(" CEDM::FEVD[%u] Adding type for $__lldb_class: %s", |
| 944 | current_id, ast_dumper.GetCString()); |
Siva Chandra | 03ff5c8 | 2016-02-05 19:10:04 +0000 | [diff] [blame] | 945 | } |
| 946 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 947 | AddThisType(context, class_user_type, current_id); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 948 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 949 | if (method_decl->isInstance()) { |
| 950 | // self is a pointer to the object |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 951 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 952 | QualType class_pointer_type = |
| 953 | method_decl->getASTContext().getPointerType(class_qual_type); |
| 954 | |
| 955 | TypeFromUser self_user_type( |
| 956 | class_pointer_type.getAsOpaquePtr(), |
| 957 | ClangASTContext::GetASTContext(&method_decl->getASTContext())); |
| 958 | |
| 959 | m_struct_vars->m_object_pointer_type = self_user_type; |
| 960 | } |
| 961 | } else { |
| 962 | // This branch will get hit if we are executing code in the context of a |
| 963 | // function that |
| 964 | // claims to have an object pointer (through DW_AT_object_pointer?) but |
| 965 | // is not formally a |
| 966 | // method of the class. In that case, just look up the "this" variable |
| 967 | // in the current |
| 968 | // scope and use its type. |
| 969 | // FIXME: This code is formally correct, but clang doesn't currently |
| 970 | // emit DW_AT_object_pointer |
| 971 | // for C++ so it hasn't actually been tested. |
| 972 | |
| 973 | VariableList *vars = frame->GetVariableList(false); |
| 974 | |
| 975 | lldb::VariableSP this_var = vars->FindVariable(ConstString("this")); |
| 976 | |
| 977 | if (this_var && this_var->IsInScope(frame) && |
| 978 | this_var->LocationIsValidForFrame(frame)) { |
| 979 | Type *this_type = this_var->GetType(); |
| 980 | |
| 981 | if (!this_type) |
Sean Callanan | b226916 | 2011-10-21 22:18:07 +0000 | [diff] [blame] | 982 | return; |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 983 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 984 | TypeFromUser pointee_type = |
| 985 | this_type->GetForwardCompilerType().GetPointeeType(); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 986 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 987 | if (pointee_type.IsValid()) { |
| 988 | if (log) { |
| 989 | ASTDumper ast_dumper(pointee_type); |
| 990 | log->Printf(" FEVD[%u] Adding type for $__lldb_class: %s", |
| 991 | current_id, ast_dumper.GetCString()); |
| 992 | } |
| 993 | |
| 994 | AddThisType(context, pointee_type, current_id); |
| 995 | TypeFromUser this_user_type(this_type->GetFullCompilerType()); |
| 996 | m_struct_vars->m_object_pointer_type = this_user_type; |
| 997 | return; |
| 998 | } |
Sean Callanan | 503aa52 | 2011-10-12 00:12:34 +0000 | [diff] [blame] | 999 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1000 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 1001 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1002 | return; |
| 1003 | } |
| 1004 | |
| 1005 | static ConstString g_lldb_objc_class_name("$__lldb_objc_class"); |
| 1006 | if (name == g_lldb_objc_class_name) { |
| 1007 | // Clang is looking for the type of "*self" |
| 1008 | |
| 1009 | if (!frame) |
| 1010 | return; |
| 1011 | |
| 1012 | SymbolContext sym_ctx = frame->GetSymbolContext( |
| 1013 | lldb::eSymbolContextFunction | lldb::eSymbolContextBlock); |
| 1014 | |
| 1015 | // Find the block that defines the function represented by "sym_ctx" |
| 1016 | Block *function_block = sym_ctx.GetFunctionBlock(); |
| 1017 | |
| 1018 | if (!function_block) |
| 1019 | return; |
| 1020 | |
| 1021 | CompilerDeclContext function_decl_ctx = function_block->GetDeclContext(); |
| 1022 | |
| 1023 | if (!function_decl_ctx) |
| 1024 | return; |
| 1025 | |
| 1026 | clang::ObjCMethodDecl *method_decl = |
| 1027 | ClangASTContext::DeclContextGetAsObjCMethodDecl(function_decl_ctx); |
| 1028 | |
| 1029 | if (method_decl) { |
| 1030 | ObjCInterfaceDecl *self_interface = method_decl->getClassInterface(); |
| 1031 | |
| 1032 | if (!self_interface) |
| 1033 | return; |
| 1034 | |
| 1035 | const clang::Type *interface_type = self_interface->getTypeForDecl(); |
| 1036 | |
| 1037 | if (!interface_type) |
| 1038 | return; // This is unlikely, but we have seen crashes where this |
| 1039 | // occurred |
| 1040 | |
| 1041 | TypeFromUser class_user_type( |
| 1042 | QualType(interface_type, 0).getAsOpaquePtr(), |
| 1043 | ClangASTContext::GetASTContext(&method_decl->getASTContext())); |
| 1044 | |
| 1045 | if (log) { |
| 1046 | ASTDumper ast_dumper(interface_type); |
| 1047 | log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", |
| 1048 | current_id, ast_dumper.GetCString()); |
| 1049 | } |
| 1050 | |
| 1051 | AddOneType(context, class_user_type, current_id); |
| 1052 | |
| 1053 | if (method_decl->isInstanceMethod()) { |
| 1054 | // self is a pointer to the object |
| 1055 | |
| 1056 | QualType class_pointer_type = |
| 1057 | method_decl->getASTContext().getObjCObjectPointerType( |
| 1058 | QualType(interface_type, 0)); |
| 1059 | |
| 1060 | TypeFromUser self_user_type( |
| 1061 | class_pointer_type.getAsOpaquePtr(), |
| 1062 | ClangASTContext::GetASTContext(&method_decl->getASTContext())); |
| 1063 | |
| 1064 | m_struct_vars->m_object_pointer_type = self_user_type; |
| 1065 | } else { |
| 1066 | // self is a Class pointer |
| 1067 | QualType class_type = method_decl->getASTContext().getObjCClassType(); |
| 1068 | |
| 1069 | TypeFromUser self_user_type( |
| 1070 | class_type.getAsOpaquePtr(), |
| 1071 | ClangASTContext::GetASTContext(&method_decl->getASTContext())); |
| 1072 | |
| 1073 | m_struct_vars->m_object_pointer_type = self_user_type; |
| 1074 | } |
| 1075 | |
| 1076 | return; |
| 1077 | } else { |
| 1078 | // This branch will get hit if we are executing code in the context of a |
| 1079 | // function that |
| 1080 | // claims to have an object pointer (through DW_AT_object_pointer?) but |
| 1081 | // is not formally a |
| 1082 | // method of the class. In that case, just look up the "self" variable |
| 1083 | // in the current |
| 1084 | // scope and use its type. |
| 1085 | |
| 1086 | VariableList *vars = frame->GetVariableList(false); |
| 1087 | |
| 1088 | lldb::VariableSP self_var = vars->FindVariable(ConstString("self")); |
| 1089 | |
| 1090 | if (self_var && self_var->IsInScope(frame) && |
| 1091 | self_var->LocationIsValidForFrame(frame)) { |
| 1092 | Type *self_type = self_var->GetType(); |
| 1093 | |
| 1094 | if (!self_type) |
| 1095 | return; |
| 1096 | |
| 1097 | CompilerType self_clang_type = self_type->GetFullCompilerType(); |
| 1098 | |
| 1099 | if (ClangASTContext::IsObjCClassType(self_clang_type)) { |
| 1100 | return; |
| 1101 | } else if (ClangASTContext::IsObjCObjectPointerType( |
| 1102 | self_clang_type)) { |
| 1103 | self_clang_type = self_clang_type.GetPointeeType(); |
| 1104 | |
| 1105 | if (!self_clang_type) |
| 1106 | return; |
| 1107 | |
| 1108 | if (log) { |
| 1109 | ASTDumper ast_dumper(self_type->GetFullCompilerType()); |
| 1110 | log->Printf(" FEVD[%u] Adding type for $__lldb_objc_class: %s", |
| 1111 | current_id, ast_dumper.GetCString()); |
| 1112 | } |
| 1113 | |
| 1114 | TypeFromUser class_user_type(self_clang_type); |
| 1115 | |
| 1116 | AddOneType(context, class_user_type, current_id); |
| 1117 | |
| 1118 | TypeFromUser self_user_type(self_type->GetFullCompilerType()); |
| 1119 | |
| 1120 | m_struct_vars->m_object_pointer_type = self_user_type; |
| 1121 | return; |
| 1122 | } |
| 1123 | } |
| 1124 | } |
| 1125 | |
| 1126 | return; |
| 1127 | } |
| 1128 | |
| 1129 | if (name == ConstString(g_lldb_local_vars_namespace_cstr)) { |
| 1130 | CompilerDeclContext frame_decl_context = |
| 1131 | sym_ctx.block != nullptr ? sym_ctx.block->GetDeclContext() |
| 1132 | : CompilerDeclContext(); |
| 1133 | |
| 1134 | if (frame_decl_context) { |
| 1135 | ClangASTContext *ast = llvm::dyn_cast_or_null<ClangASTContext>( |
| 1136 | frame_decl_context.GetTypeSystem()); |
| 1137 | |
| 1138 | if (ast) { |
| 1139 | clang::NamespaceDecl *namespace_decl = |
| 1140 | ClangASTContext::GetUniqueNamespaceDeclaration( |
| 1141 | m_ast_context, name_unique_cstr, nullptr); |
| 1142 | if (namespace_decl) { |
| 1143 | context.AddNamedDecl(namespace_decl); |
| 1144 | clang::DeclContext *clang_decl_ctx = |
| 1145 | clang::Decl::castToDeclContext(namespace_decl); |
| 1146 | clang_decl_ctx->setHasExternalVisibleStorage(true); |
| 1147 | context.m_found.local_vars_nsp = true; |
| 1148 | } |
| 1149 | } |
| 1150 | } |
| 1151 | |
| 1152 | return; |
| 1153 | } |
| 1154 | |
| 1155 | // any other $__lldb names should be weeded out now |
| 1156 | if (!::strncmp(name_unique_cstr, "$__lldb", sizeof("$__lldb") - 1)) |
| 1157 | return; |
| 1158 | |
| 1159 | ExpressionVariableSP pvar_sp( |
| 1160 | m_parser_vars->m_persistent_vars->GetVariable(name)); |
| 1161 | |
| 1162 | if (pvar_sp) { |
| 1163 | AddOneVariable(context, pvar_sp, current_id); |
| 1164 | return; |
| 1165 | } |
| 1166 | |
| 1167 | const char *reg_name(&name.GetCString()[1]); |
| 1168 | |
| 1169 | if (m_parser_vars->m_exe_ctx.GetRegisterContext()) { |
| 1170 | const RegisterInfo *reg_info( |
| 1171 | m_parser_vars->m_exe_ctx.GetRegisterContext()->GetRegisterInfoByName( |
| 1172 | reg_name)); |
| 1173 | |
| 1174 | if (reg_info) { |
Sean Callanan | 503aa52 | 2011-10-12 00:12:34 +0000 | [diff] [blame] | 1175 | if (log) |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1176 | log->Printf(" CEDM::FEVD[%u] Found register %s", current_id, |
| 1177 | reg_info->name); |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 1178 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1179 | AddOneRegister(context, reg_info, current_id); |
| 1180 | } |
| 1181 | } |
| 1182 | } else { |
| 1183 | ValueObjectSP valobj; |
| 1184 | VariableSP var; |
| 1185 | |
| 1186 | bool local_var_lookup = |
| 1187 | !namespace_decl || (namespace_decl.GetName() == |
| 1188 | ConstString(g_lldb_local_vars_namespace_cstr)); |
| 1189 | if (frame && local_var_lookup) { |
| 1190 | CompilerDeclContext compiler_decl_context = |
| 1191 | sym_ctx.block != nullptr ? sym_ctx.block->GetDeclContext() |
| 1192 | : CompilerDeclContext(); |
| 1193 | |
| 1194 | if (compiler_decl_context) { |
| 1195 | // Make sure that the variables are parsed so that we have the |
| 1196 | // declarations. |
| 1197 | VariableListSP vars = frame->GetInScopeVariableList(true); |
| 1198 | for (size_t i = 0; i < vars->GetSize(); i++) |
| 1199 | vars->GetVariableAtIndex(i)->GetDecl(); |
| 1200 | |
| 1201 | // Search for declarations matching the name. Do not include imported |
| 1202 | // decls |
| 1203 | // in the search if we are looking for decls in the artificial namespace |
| 1204 | // $__lldb_local_vars. |
| 1205 | std::vector<CompilerDecl> found_decls = |
| 1206 | compiler_decl_context.FindDeclByName(name, |
| 1207 | namespace_decl.IsValid()); |
| 1208 | |
| 1209 | bool variable_found = false; |
| 1210 | for (CompilerDecl decl : found_decls) { |
| 1211 | for (size_t vi = 0, ve = vars->GetSize(); vi != ve; ++vi) { |
| 1212 | VariableSP candidate_var = vars->GetVariableAtIndex(vi); |
| 1213 | if (candidate_var->GetDecl() == decl) { |
| 1214 | var = candidate_var; |
| 1215 | break; |
| 1216 | } |
| 1217 | } |
| 1218 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1219 | if (var && !variable_found) { |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1220 | variable_found = true; |
| 1221 | valobj = ValueObjectVariable::Create(frame, var); |
| 1222 | AddOneVariable(context, var, valobj, current_id); |
| 1223 | context.m_found.variable = true; |
| 1224 | } |
| 1225 | } |
| 1226 | if (variable_found) |
| 1227 | return; |
| 1228 | } |
| 1229 | } |
| 1230 | if (target) { |
| 1231 | var = FindGlobalVariable(*target, module_sp, name, &namespace_decl, NULL); |
| 1232 | |
| 1233 | if (var) { |
| 1234 | valobj = ValueObjectVariable::Create(target, var); |
| 1235 | AddOneVariable(context, var, valobj, current_id); |
| 1236 | context.m_found.variable = true; |
| 1237 | return; |
| 1238 | } |
Sean Callanan | 503aa52 | 2011-10-12 00:12:34 +0000 | [diff] [blame] | 1239 | } |
Saleem Abdulrasool | 324a103 | 2014-04-04 04:06:10 +0000 | [diff] [blame] | 1240 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1241 | std::vector<clang::NamedDecl *> decls_from_modules; |
Sean Callanan | 503aa52 | 2011-10-12 00:12:34 +0000 | [diff] [blame] | 1242 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1243 | if (target) { |
| 1244 | if (ClangModulesDeclVendor *decl_vendor = |
| 1245 | target->GetClangModulesDeclVendor()) { |
| 1246 | decl_vendor->FindDecls(name, false, UINT32_MAX, decls_from_modules); |
| 1247 | } |
| 1248 | } |
Sean Callanan | b3a36df | 2016-03-19 00:51:43 +0000 | [diff] [blame] | 1249 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1250 | const bool include_inlines = false; |
| 1251 | const bool append = false; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1252 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1253 | if (namespace_decl && module_sp) { |
| 1254 | const bool include_symbols = false; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1255 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1256 | module_sp->FindFunctions(name, &namespace_decl, eFunctionNameTypeBase, |
| 1257 | include_symbols, include_inlines, append, |
| 1258 | sc_list); |
| 1259 | } else if (target && !namespace_decl) { |
| 1260 | const bool include_symbols = true; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1261 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1262 | // TODO Fix FindFunctions so that it doesn't return |
| 1263 | // instance methods for eFunctionNameTypeBase. |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1264 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1265 | target->GetImages().FindFunctions(name, eFunctionNameTypeFull, |
| 1266 | include_symbols, include_inlines, |
| 1267 | append, sc_list); |
| 1268 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1269 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1270 | // If we found more than one function, see if we can use the |
| 1271 | // frame's decl context to remove functions that are shadowed |
| 1272 | // by other functions which match in type but are nearer in scope. |
| 1273 | // |
| 1274 | // AddOneFunction will not add a function whose type has already been |
| 1275 | // added, so if there's another function in the list with a matching |
| 1276 | // type, check to see if their decl context is a parent of the current |
| 1277 | // frame's or was imported via a and using statement, and pick the |
| 1278 | // best match according to lookup rules. |
| 1279 | if (sc_list.GetSize() > 1) { |
| 1280 | // Collect some info about our frame's context. |
| 1281 | StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr(); |
| 1282 | SymbolContext frame_sym_ctx; |
| 1283 | if (frame != nullptr) |
| 1284 | frame_sym_ctx = frame->GetSymbolContext(lldb::eSymbolContextFunction | |
| 1285 | lldb::eSymbolContextBlock); |
| 1286 | CompilerDeclContext frame_decl_context = |
| 1287 | frame_sym_ctx.block != nullptr ? frame_sym_ctx.block->GetDeclContext() |
| 1288 | : CompilerDeclContext(); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1289 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1290 | // We can't do this without a compiler decl context for our frame. |
| 1291 | if (frame_decl_context) { |
| 1292 | clang::DeclContext *frame_decl_ctx = |
| 1293 | (clang::DeclContext *)frame_decl_context.GetOpaqueDeclContext(); |
| 1294 | ClangASTContext *ast = llvm::dyn_cast_or_null<ClangASTContext>( |
| 1295 | frame_decl_context.GetTypeSystem()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1296 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1297 | // Structure to hold the info needed when comparing function |
| 1298 | // declarations. |
| 1299 | struct FuncDeclInfo { |
| 1300 | ConstString m_name; |
| 1301 | CompilerType m_copied_type; |
| 1302 | uint32_t m_decl_lvl; |
| 1303 | SymbolContext m_sym_ctx; |
| 1304 | }; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1305 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1306 | // First, symplify things by looping through the symbol contexts |
| 1307 | // to remove unwanted functions and separate out the functions we |
| 1308 | // want to compare and prune into a separate list. |
| 1309 | // Cache the info needed about the function declarations in a |
| 1310 | // vector for efficiency. |
| 1311 | SymbolContextList sc_sym_list; |
| 1312 | uint32_t num_indices = sc_list.GetSize(); |
| 1313 | std::vector<FuncDeclInfo> fdi_cache; |
| 1314 | fdi_cache.reserve(num_indices); |
| 1315 | for (uint32_t index = 0; index < num_indices; ++index) { |
| 1316 | FuncDeclInfo fdi; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1317 | SymbolContext sym_ctx; |
| 1318 | sc_list.GetContextAtIndex(index, sym_ctx); |
| 1319 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1320 | // We don't know enough about symbols to compare them, |
| 1321 | // but we should keep them in the list. |
| 1322 | Function *function = sym_ctx.function; |
| 1323 | if (!function) { |
| 1324 | sc_sym_list.Append(sym_ctx); |
| 1325 | continue; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1326 | } |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1327 | // Filter out functions without declaration contexts, as well as |
| 1328 | // class/instance methods, since they'll be skipped in the |
| 1329 | // code that follows anyway. |
| 1330 | CompilerDeclContext func_decl_context = function->GetDeclContext(); |
| 1331 | if (!func_decl_context || |
| 1332 | func_decl_context.IsClassMethod(nullptr, nullptr, nullptr)) |
| 1333 | continue; |
| 1334 | // We can only prune functions for which we can copy the type. |
| 1335 | CompilerType func_clang_type = |
| 1336 | function->GetType()->GetFullCompilerType(); |
| 1337 | CompilerType copied_func_type = GuardedCopyType(func_clang_type); |
| 1338 | if (!copied_func_type) { |
| 1339 | sc_sym_list.Append(sym_ctx); |
| 1340 | continue; |
| 1341 | } |
| 1342 | |
| 1343 | fdi.m_sym_ctx = sym_ctx; |
| 1344 | fdi.m_name = function->GetName(); |
| 1345 | fdi.m_copied_type = copied_func_type; |
| 1346 | fdi.m_decl_lvl = LLDB_INVALID_DECL_LEVEL; |
| 1347 | if (fdi.m_copied_type && func_decl_context) { |
| 1348 | // Call CountDeclLevels to get the number of parent scopes we |
| 1349 | // have to look through before we find the function declaration. |
| 1350 | // When comparing functions of the same type, the one with a |
| 1351 | // lower count will be closer to us in the lookup scope and |
| 1352 | // shadows the other. |
| 1353 | clang::DeclContext *func_decl_ctx = |
| 1354 | (clang::DeclContext *)func_decl_context.GetOpaqueDeclContext(); |
| 1355 | fdi.m_decl_lvl = ast->CountDeclLevels( |
| 1356 | frame_decl_ctx, func_decl_ctx, &fdi.m_name, &fdi.m_copied_type); |
| 1357 | } |
| 1358 | fdi_cache.emplace_back(fdi); |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1359 | } |
| 1360 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1361 | // Loop through the functions in our cache looking for matching types, |
| 1362 | // then compare their scope levels to see which is closer. |
| 1363 | std::multimap<CompilerType, const FuncDeclInfo *> matches; |
| 1364 | for (const FuncDeclInfo &fdi : fdi_cache) { |
| 1365 | const CompilerType t = fdi.m_copied_type; |
| 1366 | auto q = matches.find(t); |
| 1367 | if (q != matches.end()) { |
| 1368 | if (q->second->m_decl_lvl > fdi.m_decl_lvl) |
| 1369 | // This function is closer; remove the old set. |
| 1370 | matches.erase(t); |
| 1371 | else if (q->second->m_decl_lvl < fdi.m_decl_lvl) |
| 1372 | // The functions in our set are closer - skip this one. |
| 1373 | continue; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1374 | } |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1375 | matches.insert(std::make_pair(t, &fdi)); |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1376 | } |
| 1377 | |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1378 | // Loop through our matches and add their symbol contexts to our list. |
| 1379 | SymbolContextList sc_func_list; |
| 1380 | for (const auto &q : matches) |
| 1381 | sc_func_list.Append(q.second->m_sym_ctx); |
| 1382 | |
| 1383 | // Rejoin the lists with the functions in front. |
| 1384 | sc_list = sc_func_list; |
| 1385 | sc_list.Append(sc_sym_list); |
| 1386 | } |
| 1387 | } |
| 1388 | |
| 1389 | if (sc_list.GetSize()) { |
| 1390 | Symbol *extern_symbol = NULL; |
| 1391 | Symbol *non_extern_symbol = NULL; |
| 1392 | |
| 1393 | for (uint32_t index = 0, num_indices = sc_list.GetSize(); |
| 1394 | index < num_indices; ++index) { |
| 1395 | SymbolContext sym_ctx; |
| 1396 | sc_list.GetContextAtIndex(index, sym_ctx); |
| 1397 | |
| 1398 | if (sym_ctx.function) { |
| 1399 | CompilerDeclContext decl_ctx = sym_ctx.function->GetDeclContext(); |
| 1400 | |
| 1401 | if (!decl_ctx) |
| 1402 | continue; |
| 1403 | |
| 1404 | // Filter out class/instance methods. |
| 1405 | if (decl_ctx.IsClassMethod(nullptr, nullptr, nullptr)) |
| 1406 | continue; |
| 1407 | |
| 1408 | AddOneFunction(context, sym_ctx.function, NULL, current_id); |
| 1409 | context.m_found.function_with_type_info = true; |
| 1410 | context.m_found.function = true; |
| 1411 | } else if (sym_ctx.symbol) { |
| 1412 | if (sym_ctx.symbol->GetType() == eSymbolTypeReExported && target) { |
| 1413 | sym_ctx.symbol = sym_ctx.symbol->ResolveReExportedSymbol(*target); |
| 1414 | if (sym_ctx.symbol == NULL) |
| 1415 | continue; |
| 1416 | } |
| 1417 | |
| 1418 | if (sym_ctx.symbol->IsExternal()) |
| 1419 | extern_symbol = sym_ctx.symbol; |
| 1420 | else |
| 1421 | non_extern_symbol = sym_ctx.symbol; |
| 1422 | } |
| 1423 | } |
| 1424 | |
| 1425 | if (!context.m_found.function_with_type_info) { |
| 1426 | for (clang::NamedDecl *decl : decls_from_modules) { |
| 1427 | if (llvm::isa<clang::FunctionDecl>(decl)) { |
| 1428 | clang::NamedDecl *copied_decl = |
| 1429 | llvm::cast_or_null<FunctionDecl>(m_ast_importer_sp->CopyDecl( |
| 1430 | m_ast_context, &decl->getASTContext(), decl)); |
| 1431 | if (copied_decl) { |
| 1432 | context.AddNamedDecl(copied_decl); |
| 1433 | context.m_found.function_with_type_info = true; |
| 1434 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1435 | } |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | if (!context.m_found.function_with_type_info) { |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1440 | if (extern_symbol) { |
| 1441 | AddOneFunction(context, NULL, extern_symbol, current_id); |
| 1442 | context.m_found.function = true; |
| 1443 | } else if (non_extern_symbol) { |
| 1444 | AddOneFunction(context, NULL, non_extern_symbol, current_id); |
| 1445 | context.m_found.function = true; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1446 | } |
| 1447 | } |
Sean Callanan | b3a36df | 2016-03-19 00:51:43 +0000 | [diff] [blame] | 1448 | } |
Sean Callanan | c02a1c0 | 2017-04-24 23:14:04 +0000 | [diff] [blame^] | 1449 | |
| 1450 | if (!context.m_found.function_with_type_info) { |
| 1451 | // Try the modules next. |
| 1452 | |
| 1453 | do { |
| 1454 | if (ClangModulesDeclVendor *modules_decl_vendor = |
| 1455 | m_target->GetClangModulesDeclVendor()) { |
| 1456 | bool append = false; |
| 1457 | uint32_t max_matches = 1; |
| 1458 | std::vector<clang::NamedDecl *> decls; |
| 1459 | |
| 1460 | if (!modules_decl_vendor->FindDecls(name, append, max_matches, decls)) |
| 1461 | break; |
| 1462 | |
| 1463 | clang::NamedDecl *const decl_from_modules = decls[0]; |
| 1464 | |
| 1465 | if (llvm::isa<clang::FunctionDecl>(decl_from_modules)) { |
| 1466 | if (log) { |
| 1467 | log->Printf(" CAS::FEVD[%u] Matching function found for " |
| 1468 | "\"%s\" in the modules", |
| 1469 | current_id, name.GetCString()); |
| 1470 | } |
| 1471 | |
| 1472 | clang::Decl *copied_decl = m_ast_importer_sp->CopyDecl( |
| 1473 | m_ast_context, &decl_from_modules->getASTContext(), |
| 1474 | decl_from_modules); |
| 1475 | clang::FunctionDecl *copied_function_decl = |
| 1476 | copied_decl ? dyn_cast<clang::FunctionDecl>(copied_decl) |
| 1477 | : nullptr; |
| 1478 | |
| 1479 | if (!copied_function_decl) { |
| 1480 | if (log) |
| 1481 | log->Printf(" CAS::FEVD[%u] - Couldn't export a function " |
| 1482 | "declaration from the modules", |
| 1483 | current_id); |
| 1484 | |
| 1485 | break; |
| 1486 | } |
| 1487 | |
| 1488 | MaybeRegisterFunctionBody(copied_function_decl); |
| 1489 | |
| 1490 | context.AddNamedDecl(copied_function_decl); |
| 1491 | |
| 1492 | context.m_found.function_with_type_info = true; |
| 1493 | context.m_found.function = true; |
| 1494 | } else if (llvm::isa<clang::VarDecl>(decl_from_modules)) { |
| 1495 | if (log) { |
| 1496 | log->Printf(" CAS::FEVD[%u] Matching variable found for " |
| 1497 | "\"%s\" in the modules", |
| 1498 | current_id, name.GetCString()); |
| 1499 | } |
| 1500 | |
| 1501 | clang::Decl *copied_decl = m_ast_importer_sp->CopyDecl( |
| 1502 | m_ast_context, &decl_from_modules->getASTContext(), |
| 1503 | decl_from_modules); |
| 1504 | clang::VarDecl *copied_var_decl = |
| 1505 | copied_decl ? dyn_cast_or_null<clang::VarDecl>(copied_decl) |
| 1506 | : nullptr; |
| 1507 | |
| 1508 | if (!copied_var_decl) { |
| 1509 | if (log) |
| 1510 | log->Printf(" CAS::FEVD[%u] - Couldn't export a variable " |
| 1511 | "declaration from the modules", |
| 1512 | current_id); |
| 1513 | |
| 1514 | break; |
| 1515 | } |
| 1516 | |
| 1517 | context.AddNamedDecl(copied_var_decl); |
| 1518 | |
| 1519 | context.m_found.variable = true; |
| 1520 | } |
| 1521 | } |
| 1522 | } while (0); |
| 1523 | } |
| 1524 | |
| 1525 | if (target && !context.m_found.variable && !namespace_decl) { |
| 1526 | // We couldn't find a non-symbol variable for this. Now we'll hunt for |
| 1527 | // a generic |
| 1528 | // data symbol, and -- if it is found -- treat it as a variable. |
| 1529 | |
| 1530 | const Symbol *data_symbol = FindGlobalDataSymbol(*target, name); |
| 1531 | |
| 1532 | if (data_symbol) { |
| 1533 | std::string warning("got name from symbols: "); |
| 1534 | warning.append(name.AsCString()); |
| 1535 | const unsigned diag_id = |
| 1536 | m_ast_context->getDiagnostics().getCustomDiagID( |
| 1537 | clang::DiagnosticsEngine::Level::Warning, "%0"); |
| 1538 | m_ast_context->getDiagnostics().Report(diag_id) << warning.c_str(); |
| 1539 | AddOneGenericVariable(context, *data_symbol, current_id); |
| 1540 | context.m_found.variable = true; |
| 1541 | } |
| 1542 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1543 | } |
Sean Callanan | 6b4067c | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1544 | } |
Greg Clayton | a272147 | 2011-06-25 00:44:06 +0000 | [diff] [blame] | 1545 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1546 | // static opaque_compiler_type_t |
| 1547 | // MaybePromoteToBlockPointerType |
Saleem Abdulrasool | a68f7b6 | 2014-03-20 06:08:36 +0000 | [diff] [blame] | 1548 | //( |
| 1549 | // ASTContext *ast_context, |
Bruce Mitchener | 23a3b0e | 2015-09-22 17:04:24 +0000 | [diff] [blame] | 1550 | // opaque_compiler_type_t candidate_type |
Saleem Abdulrasool | a68f7b6 | 2014-03-20 06:08:36 +0000 | [diff] [blame] | 1551 | //) |
| 1552 | //{ |
| 1553 | // if (!candidate_type) |
| 1554 | // return candidate_type; |
| 1555 | // |
| 1556 | // QualType candidate_qual_type = QualType::getFromOpaquePtr(candidate_type); |
| 1557 | // |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1558 | // const PointerType *candidate_pointer_type = |
| 1559 | // dyn_cast<PointerType>(candidate_qual_type); |
Saleem Abdulrasool | a68f7b6 | 2014-03-20 06:08:36 +0000 | [diff] [blame] | 1560 | // |
| 1561 | // if (!candidate_pointer_type) |
| 1562 | // return candidate_type; |
| 1563 | // |
| 1564 | // QualType pointee_qual_type = candidate_pointer_type->getPointeeType(); |
| 1565 | // |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1566 | // const RecordType *pointee_record_type = |
| 1567 | // dyn_cast<RecordType>(pointee_qual_type); |
Saleem Abdulrasool | a68f7b6 | 2014-03-20 06:08:36 +0000 | [diff] [blame] | 1568 | // |
| 1569 | // if (!pointee_record_type) |
| 1570 | // return candidate_type; |
| 1571 | // |
| 1572 | // RecordDecl *pointee_record_decl = pointee_record_type->getDecl(); |
| 1573 | // |
| 1574 | // if (!pointee_record_decl->isRecord()) |
| 1575 | // return candidate_type; |
| 1576 | // |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1577 | // if |
| 1578 | // (!pointee_record_decl->getName().startswith(llvm::StringRef("__block_literal_"))) |
Saleem Abdulrasool | a68f7b6 | 2014-03-20 06:08:36 +0000 | [diff] [blame] | 1579 | // return candidate_type; |
| 1580 | // |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1581 | // QualType generic_function_type = |
| 1582 | // ast_context->getFunctionNoProtoType(ast_context->UnknownAnyTy); |
| 1583 | // QualType block_pointer_type = |
| 1584 | // ast_context->getBlockPointerType(generic_function_type); |
Saleem Abdulrasool | a68f7b6 | 2014-03-20 06:08:36 +0000 | [diff] [blame] | 1585 | // |
| 1586 | // return block_pointer_type.getAsOpaquePtr(); |
| 1587 | //} |
Sean Callanan | 75383bf | 2012-03-06 21:56:33 +0000 | [diff] [blame] | 1588 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1589 | bool ClangExpressionDeclMap::GetVariableValue(VariableSP &var, |
| 1590 | lldb_private::Value &var_location, |
| 1591 | TypeFromUser *user_type, |
| 1592 | TypeFromParser *parser_type) { |
| 1593 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1594 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1595 | Type *var_type = var->GetType(); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1596 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1597 | if (!var_type) { |
Sean Callanan | ea22d42 | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1598 | if (log) |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1599 | log->PutCString("Skipped a definition because it has no type"); |
| 1600 | return false; |
| 1601 | } |
| 1602 | |
| 1603 | CompilerType var_clang_type = var_type->GetFullCompilerType(); |
| 1604 | |
| 1605 | if (!var_clang_type) { |
| 1606 | if (log) |
| 1607 | log->PutCString("Skipped a definition because it has no Clang type"); |
| 1608 | return false; |
| 1609 | } |
| 1610 | |
| 1611 | ClangASTContext *clang_ast = llvm::dyn_cast_or_null<ClangASTContext>( |
| 1612 | var_type->GetForwardCompilerType().GetTypeSystem()); |
| 1613 | |
| 1614 | if (!clang_ast) { |
| 1615 | if (log) |
| 1616 | log->PutCString("Skipped a definition because it has no Clang AST"); |
| 1617 | return false; |
| 1618 | } |
| 1619 | |
| 1620 | ASTContext *ast = clang_ast->getASTContext(); |
| 1621 | |
| 1622 | if (!ast) { |
| 1623 | if (log) |
| 1624 | log->PutCString( |
| 1625 | "There is no AST context for the current execution context"); |
| 1626 | return false; |
| 1627 | } |
| 1628 | // var_clang_type = MaybePromoteToBlockPointerType (ast, var_clang_type); |
| 1629 | |
| 1630 | DWARFExpression &var_location_expr = var->LocationExpression(); |
| 1631 | |
| 1632 | Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr(); |
| 1633 | Error 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()); |
| 1641 | var_location.SetValueType(Value::eValueTypeHostAddress); |
| 1642 | } else { |
| 1643 | if (log) |
| 1644 | log->Printf("Error evaluating constant variable: %s", err.AsCString()); |
| 1645 | return false; |
Greg Clayton | 7b462cc | 2010-10-15 22:48:33 +0000 | [diff] [blame] | 1646 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 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; |
| 1679 | var_location.SetValueType(Value::eValueTypeLoadAddress); |
| 1680 | } |
| 1681 | } |
| 1682 | |
| 1683 | if (user_type) |
| 1684 | *user_type = TypeFromUser(var_clang_type); |
| 1685 | |
| 1686 | return true; |
Sean Callanan | 468574b | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1687 | } |
| 1688 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1689 | void ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context, |
| 1690 | VariableSP var, |
| 1691 | ValueObjectSP valobj, |
| 1692 | unsigned int current_id) { |
| 1693 | assert(m_parser_vars.get()); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1694 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1695 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1696 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1697 | TypeFromUser ut; |
| 1698 | TypeFromParser pt; |
| 1699 | Value var_location; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1700 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 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()); |
| 1733 | ClangExpressionVariable::ParserVars *parser_vars = |
| 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) { |
| 1756 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 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()); |
| 1775 | ClangExpressionVariable::ParserVars *parser_vars = |
| 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 | |
| 1795 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 1796 | |
| 1797 | Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr(); |
| 1798 | |
| 1799 | if (target == NULL) |
| 1800 | return; |
| 1801 | |
| 1802 | ASTContext *scratch_ast_context = |
| 1803 | target->GetScratchClangASTContext()->getASTContext(); |
| 1804 | |
| 1805 | TypeFromUser user_type( |
| 1806 | ClangASTContext::GetBasicType(scratch_ast_context, eBasicTypeVoid) |
| 1807 | .GetPointerType() |
| 1808 | .GetLValueReferenceType()); |
| 1809 | TypeFromParser parser_type( |
| 1810 | ClangASTContext::GetBasicType(m_ast_context, eBasicTypeVoid) |
| 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()); |
| 1817 | ClangExpressionVariable *entity(new ClangExpressionVariable( |
| 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()); |
| 1824 | ClangExpressionVariable::ParserVars *parser_vars = |
| 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; |
| 1834 | parser_vars->m_lldb_value.SetValueType(Value::eValueTypeLoadAddress); |
| 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 | |
| 1849 | bool ClangExpressionDeclMap::ResolveUnknownTypes() { |
| 1850 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 1851 | Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr(); |
| 1852 | |
| 1853 | ClangASTContext *scratch_ast_context = target->GetScratchClangASTContext(); |
| 1854 | |
| 1855 | for (size_t index = 0, num_entities = m_found_entities.GetSize(); |
| 1856 | index < num_entities; ++index) { |
| 1857 | ExpressionVariableSP entity = m_found_entities.GetVariableAtIndex(index); |
| 1858 | |
| 1859 | ClangExpressionVariable::ParserVars *parser_vars = |
| 1860 | llvm::cast<ClangExpressionVariable>(entity.get()) |
| 1861 | ->GetParserVars(GetParserID()); |
| 1862 | |
| 1863 | if (entity->m_flags & ClangExpressionVariable::EVUnknownType) { |
| 1864 | const NamedDecl *named_decl = parser_vars->m_named_decl; |
| 1865 | const VarDecl *var_decl = dyn_cast<VarDecl>(named_decl); |
| 1866 | |
| 1867 | if (!var_decl) { |
Sean Callanan | e0a64f7 | 2011-12-01 21:04:37 +0000 | [diff] [blame] | 1868 | if (log) |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1869 | log->Printf("Entity of unknown type does not have a VarDecl"); |
| 1870 | return false; |
| 1871 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1872 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1873 | if (log) { |
| 1874 | ASTDumper ast_dumper(const_cast<VarDecl *>(var_decl)); |
| 1875 | log->Printf("Variable of unknown type now has Decl %s", |
Greg Clayton | 64bc6ca | 2011-10-20 00:47:21 +0000 | [diff] [blame] | 1876 | ast_dumper.GetCString()); |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1877 | } |
| 1878 | |
| 1879 | QualType var_type = var_decl->getType(); |
| 1880 | TypeFromParser parser_type( |
| 1881 | var_type.getAsOpaquePtr(), |
| 1882 | ClangASTContext::GetASTContext(&var_decl->getASTContext())); |
| 1883 | |
| 1884 | lldb::opaque_compiler_type_t copied_type = m_ast_importer_sp->CopyType( |
| 1885 | scratch_ast_context->getASTContext(), &var_decl->getASTContext(), |
| 1886 | var_type.getAsOpaquePtr()); |
| 1887 | |
| 1888 | if (!copied_type) { |
| 1889 | if (log) |
| 1890 | log->Printf("ClangExpressionDeclMap::ResolveUnknownType - Couldn't " |
| 1891 | "import the type for a variable"); |
| 1892 | |
| 1893 | return (bool)lldb::ExpressionVariableSP(); |
| 1894 | } |
| 1895 | |
| 1896 | TypeFromUser user_type(copied_type, scratch_ast_context); |
| 1897 | |
| 1898 | // parser_vars->m_lldb_value.SetContext(Value::eContextTypeClangType, |
| 1899 | // user_type.GetOpaqueQualType()); |
| 1900 | parser_vars->m_lldb_value.SetCompilerType(user_type); |
| 1901 | parser_vars->m_parser_type = parser_type; |
| 1902 | |
| 1903 | entity->SetCompilerType(user_type); |
| 1904 | |
| 1905 | entity->m_flags &= ~(ClangExpressionVariable::EVUnknownType); |
Greg Clayton | 7b462cc | 2010-10-15 22:48:33 +0000 | [diff] [blame] | 1906 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1907 | } |
| 1908 | |
| 1909 | return true; |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1910 | } |
Sean Callanan | 5666b67 | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1911 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1912 | void ClangExpressionDeclMap::AddOneRegister(NameSearchContext &context, |
| 1913 | const RegisterInfo *reg_info, |
| 1914 | unsigned int current_id) { |
| 1915 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1916 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1917 | CompilerType clang_type = |
| 1918 | ClangASTContext::GetBuiltinTypeForEncodingAndBitSize( |
| 1919 | m_ast_context, reg_info->encoding, reg_info->byte_size * 8); |
Sean Callanan | 7736a20 | 2016-04-29 18:09:03 +0000 | [diff] [blame] | 1920 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1921 | if (!clang_type) { |
| 1922 | if (log) |
| 1923 | log->Printf(" Tried to add a type for %s, but couldn't get one", |
| 1924 | context.m_decl_name.getAsString().c_str()); |
| 1925 | return; |
| 1926 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1927 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1928 | TypeFromParser parser_clang_type(clang_type); |
Sean Callanan | fa4fab7 | 2013-02-01 06:55:48 +0000 | [diff] [blame] | 1929 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1930 | NamedDecl *var_decl = context.AddVarDecl(parser_clang_type); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1931 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1932 | ClangExpressionVariable *entity(new ClangExpressionVariable( |
| 1933 | m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(), |
| 1934 | m_parser_vars->m_target_info.byte_order, |
| 1935 | m_parser_vars->m_target_info.address_byte_size)); |
| 1936 | m_found_entities.AddNewlyConstructedVariable(entity); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1937 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1938 | std::string decl_name(context.m_decl_name.getAsString()); |
| 1939 | entity->SetName(ConstString(decl_name.c_str())); |
| 1940 | entity->SetRegisterInfo(reg_info); |
| 1941 | entity->EnableParserVars(GetParserID()); |
| 1942 | ClangExpressionVariable::ParserVars *parser_vars = |
| 1943 | entity->GetParserVars(GetParserID()); |
| 1944 | parser_vars->m_parser_type = parser_clang_type; |
| 1945 | parser_vars->m_named_decl = var_decl; |
| 1946 | parser_vars->m_llvm_value = NULL; |
| 1947 | parser_vars->m_lldb_value.Clear(); |
| 1948 | entity->m_flags |= ClangExpressionVariable::EVBareRegister; |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 1949 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1950 | if (log) { |
| 1951 | ASTDumper ast_dumper(var_decl); |
| 1952 | log->Printf(" CEDM::FEVD[%d] Added register %s, returned %s", current_id, |
| 1953 | context.m_decl_name.getAsString().c_str(), |
| 1954 | ast_dumper.GetCString()); |
| 1955 | } |
| 1956 | } |
| 1957 | |
| 1958 | void ClangExpressionDeclMap::AddOneFunction(NameSearchContext &context, |
| 1959 | Function *function, Symbol *symbol, |
| 1960 | unsigned int current_id) { |
| 1961 | assert(m_parser_vars.get()); |
| 1962 | |
| 1963 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 1964 | |
| 1965 | NamedDecl *function_decl = NULL; |
| 1966 | Address fun_address; |
| 1967 | CompilerType function_clang_type; |
| 1968 | |
| 1969 | bool is_indirect_function = false; |
| 1970 | |
| 1971 | if (function) { |
| 1972 | Type *function_type = function->GetType(); |
| 1973 | |
Luke Drummond | f5bb1d6 | 2016-12-19 17:22:44 +0000 | [diff] [blame] | 1974 | const auto lang = function->GetCompileUnit()->GetLanguage(); |
| 1975 | const auto name = function->GetMangled().GetMangledName().AsCString(); |
| 1976 | const bool extern_c = (Language::LanguageIsC(lang) && |
| 1977 | !CPlusPlusLanguage::IsCPPMangledName(name)) || |
| 1978 | (Language::LanguageIsObjC(lang) && |
| 1979 | !Language::LanguageIsCPlusPlus(lang)); |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 1980 | |
| 1981 | if (!extern_c) { |
| 1982 | TypeSystem *type_system = function->GetDeclContext().GetTypeSystem(); |
| 1983 | if (ClangASTContext *src_ast = |
| 1984 | llvm::dyn_cast<ClangASTContext>(type_system)) { |
| 1985 | clang::DeclContext *src_decl_context = |
| 1986 | (clang::DeclContext *)function->GetDeclContext() |
| 1987 | .GetOpaqueDeclContext(); |
| 1988 | clang::FunctionDecl *src_function_decl = |
| 1989 | llvm::dyn_cast_or_null<clang::FunctionDecl>(src_decl_context); |
| 1990 | |
| 1991 | if (src_function_decl) { |
| 1992 | if (clang::FunctionDecl *copied_function_decl = |
| 1993 | llvm::dyn_cast_or_null<clang::FunctionDecl>( |
| 1994 | m_ast_importer_sp->CopyDecl(m_ast_context, |
| 1995 | src_ast->getASTContext(), |
| 1996 | src_function_decl))) { |
| 1997 | if (log) { |
| 1998 | ASTDumper ast_dumper((clang::Decl *)copied_function_decl); |
| 1999 | |
| 2000 | StreamString ss; |
| 2001 | |
| 2002 | function->DumpSymbolContext(&ss); |
| 2003 | |
| 2004 | log->Printf(" CEDM::FEVD[%u] Imported decl for function %s " |
| 2005 | "(description %s), returned %s", |
| 2006 | current_id, |
| 2007 | copied_function_decl->getNameAsString().c_str(), |
| 2008 | ss.GetData(), ast_dumper.GetCString()); |
| 2009 | } |
| 2010 | |
| 2011 | context.AddNamedDecl(copied_function_decl); |
| 2012 | return; |
| 2013 | } else { |
| 2014 | if (log) { |
| 2015 | log->Printf(" Failed to import the function decl for '%s'", |
| 2016 | src_function_decl->getName().str().c_str()); |
| 2017 | } |
| 2018 | } |
Sean Callanan | 7736a20 | 2016-04-29 18:09:03 +0000 | [diff] [blame] | 2019 | } |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2020 | } |
Sean Callanan | fc55f5d | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 2021 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 2022 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2023 | if (!function_type) { |
| 2024 | if (log) |
| 2025 | log->PutCString(" Skipped a function because it has no type"); |
| 2026 | return; |
| 2027 | } |
| 2028 | |
| 2029 | function_clang_type = function_type->GetFullCompilerType(); |
| 2030 | |
| 2031 | if (!function_clang_type) { |
| 2032 | if (log) |
| 2033 | log->PutCString(" Skipped a function because it has no Clang type"); |
| 2034 | return; |
| 2035 | } |
| 2036 | |
| 2037 | fun_address = function->GetAddressRange().GetBaseAddress(); |
| 2038 | |
| 2039 | CompilerType copied_function_type = GuardedCopyType(function_clang_type); |
| 2040 | if (copied_function_type) { |
| 2041 | function_decl = context.AddFunDecl(copied_function_type, extern_c); |
| 2042 | |
| 2043 | if (!function_decl) { |
| 2044 | if (log) { |
| 2045 | log->Printf( |
| 2046 | " Failed to create a function decl for '%s' {0x%8.8" PRIx64 "}", |
| 2047 | function_type->GetName().GetCString(), function_type->GetID()); |
| 2048 | } |
| 2049 | |
Sean Callanan | 3b436d2 | 2015-10-23 21:45:02 +0000 | [diff] [blame] | 2050 | return; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2051 | } |
| 2052 | } else { |
| 2053 | // We failed to copy the type we found |
| 2054 | if (log) { |
| 2055 | log->Printf(" Failed to import the function type '%s' {0x%8.8" PRIx64 |
| 2056 | "} into the expression parser AST contenxt", |
| 2057 | function_type->GetName().GetCString(), |
| 2058 | function_type->GetID()); |
| 2059 | } |
| 2060 | |
| 2061 | return; |
| 2062 | } |
| 2063 | } else if (symbol) { |
| 2064 | fun_address = symbol->GetAddress(); |
| 2065 | function_decl = context.AddGenericFunDecl(); |
| 2066 | is_indirect_function = symbol->IsIndirect(); |
| 2067 | } else { |
| 2068 | if (log) |
| 2069 | log->PutCString(" AddOneFunction called with no function and no symbol"); |
| 2070 | return; |
| 2071 | } |
| 2072 | |
| 2073 | Target *target = m_parser_vars->m_exe_ctx.GetTargetPtr(); |
| 2074 | |
| 2075 | lldb::addr_t load_addr = |
| 2076 | fun_address.GetCallableLoadAddress(target, is_indirect_function); |
| 2077 | |
| 2078 | ClangExpressionVariable *entity(new ClangExpressionVariable( |
| 2079 | m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(), |
| 2080 | m_parser_vars->m_target_info.byte_order, |
| 2081 | m_parser_vars->m_target_info.address_byte_size)); |
| 2082 | m_found_entities.AddNewlyConstructedVariable(entity); |
| 2083 | |
| 2084 | std::string decl_name(context.m_decl_name.getAsString()); |
| 2085 | entity->SetName(ConstString(decl_name.c_str())); |
| 2086 | entity->SetCompilerType(function_clang_type); |
| 2087 | entity->EnableParserVars(GetParserID()); |
| 2088 | |
| 2089 | ClangExpressionVariable::ParserVars *parser_vars = |
| 2090 | entity->GetParserVars(GetParserID()); |
| 2091 | |
| 2092 | if (load_addr != LLDB_INVALID_ADDRESS) { |
| 2093 | parser_vars->m_lldb_value.SetValueType(Value::eValueTypeLoadAddress); |
| 2094 | parser_vars->m_lldb_value.GetScalar() = load_addr; |
| 2095 | } else { |
| 2096 | // We have to try finding a file address. |
| 2097 | |
| 2098 | lldb::addr_t file_addr = fun_address.GetFileAddress(); |
| 2099 | |
| 2100 | parser_vars->m_lldb_value.SetValueType(Value::eValueTypeFileAddress); |
| 2101 | parser_vars->m_lldb_value.GetScalar() = file_addr; |
| 2102 | } |
| 2103 | |
| 2104 | parser_vars->m_named_decl = function_decl; |
| 2105 | parser_vars->m_llvm_value = NULL; |
| 2106 | |
| 2107 | if (log) { |
| 2108 | ASTDumper ast_dumper(function_decl); |
| 2109 | |
| 2110 | StreamString ss; |
| 2111 | |
| 2112 | fun_address.Dump(&ss, |
| 2113 | m_parser_vars->m_exe_ctx.GetBestExecutionContextScope(), |
| 2114 | Address::DumpStyleResolvedDescription); |
| 2115 | |
| 2116 | log->Printf( |
| 2117 | " CEDM::FEVD[%u] Found %s function %s (description %s), returned %s", |
| 2118 | current_id, (function ? "specific" : "generic"), decl_name.c_str(), |
| 2119 | ss.GetData(), ast_dumper.GetCString()); |
| 2120 | } |
| 2121 | } |
| 2122 | |
| 2123 | void ClangExpressionDeclMap::AddThisType(NameSearchContext &context, |
| 2124 | TypeFromUser &ut, |
| 2125 | unsigned int current_id) { |
| 2126 | CompilerType copied_clang_type = GuardedCopyType(ut); |
| 2127 | |
| 2128 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
| 2129 | |
| 2130 | if (!copied_clang_type) { |
| 2131 | if (log) |
| 2132 | log->Printf( |
| 2133 | "ClangExpressionDeclMap::AddThisType - Couldn't import the type"); |
Sean Callanan | 3b436d2 | 2015-10-23 21:45:02 +0000 | [diff] [blame] | 2134 | |
| 2135 | return; |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2136 | } |
| 2137 | |
| 2138 | if (copied_clang_type.IsAggregateType() && |
| 2139 | copied_clang_type.GetCompleteType()) { |
| 2140 | CompilerType void_clang_type = |
| 2141 | ClangASTContext::GetBasicType(m_ast_context, eBasicTypeVoid); |
| 2142 | CompilerType void_ptr_clang_type = void_clang_type.GetPointerType(); |
| 2143 | |
| 2144 | CompilerType method_type = ClangASTContext::CreateFunctionType( |
| 2145 | m_ast_context, void_clang_type, &void_ptr_clang_type, 1, false, 0); |
| 2146 | |
| 2147 | const bool is_virtual = false; |
| 2148 | const bool is_static = false; |
| 2149 | const bool is_inline = false; |
| 2150 | const bool is_explicit = false; |
| 2151 | const bool is_attr_used = true; |
| 2152 | const bool is_artificial = false; |
| 2153 | |
| 2154 | CXXMethodDecl *method_decl = |
| 2155 | ClangASTContext::GetASTContext(m_ast_context) |
| 2156 | ->AddMethodToCXXRecordType( |
| 2157 | copied_clang_type.GetOpaqueQualType(), "$__lldb_expr", |
| 2158 | method_type, lldb::eAccessPublic, is_virtual, is_static, |
| 2159 | is_inline, is_explicit, is_attr_used, is_artificial); |
| 2160 | |
| 2161 | if (log) { |
| 2162 | ASTDumper method_ast_dumper((clang::Decl *)method_decl); |
| 2163 | ASTDumper type_ast_dumper(copied_clang_type); |
| 2164 | |
| 2165 | log->Printf(" CEDM::AddThisType Added function $__lldb_expr " |
| 2166 | "(description %s) for this type %s", |
| 2167 | method_ast_dumper.GetCString(), type_ast_dumper.GetCString()); |
| 2168 | } |
| 2169 | } |
| 2170 | |
| 2171 | if (!copied_clang_type.IsValid()) |
| 2172 | return; |
| 2173 | |
| 2174 | TypeSourceInfo *type_source_info = m_ast_context->getTrivialTypeSourceInfo( |
| 2175 | QualType::getFromOpaquePtr(copied_clang_type.GetOpaqueQualType())); |
| 2176 | |
| 2177 | if (!type_source_info) |
| 2178 | return; |
| 2179 | |
| 2180 | // Construct a typedef type because if "*this" is a templated type we can't |
| 2181 | // just return ClassTemplateSpecializationDecls in response to name queries. |
| 2182 | // Using a typedef makes this much more robust. |
| 2183 | |
| 2184 | TypedefDecl *typedef_decl = TypedefDecl::Create( |
| 2185 | *m_ast_context, m_ast_context->getTranslationUnitDecl(), SourceLocation(), |
| 2186 | SourceLocation(), context.m_decl_name.getAsIdentifierInfo(), |
| 2187 | type_source_info); |
| 2188 | |
| 2189 | if (!typedef_decl) |
| 2190 | return; |
| 2191 | |
| 2192 | context.AddNamedDecl(typedef_decl); |
| 2193 | |
| 2194 | return; |
Sean Callanan | fa4fab7 | 2013-02-01 06:55:48 +0000 | [diff] [blame] | 2195 | } |
| 2196 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2197 | void ClangExpressionDeclMap::AddOneType(NameSearchContext &context, |
| 2198 | TypeFromUser &ut, |
| 2199 | unsigned int current_id) { |
| 2200 | CompilerType copied_clang_type = GuardedCopyType(ut); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 2201 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2202 | if (!copied_clang_type) { |
| 2203 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); |
Sean Callanan | fa4fab7 | 2013-02-01 06:55:48 +0000 | [diff] [blame] | 2204 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2205 | if (log) |
| 2206 | log->Printf( |
| 2207 | "ClangExpressionDeclMap::AddOneType - Couldn't import the type"); |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 2208 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2209 | return; |
| 2210 | } |
Sylvestre Ledru | ceab3ac | 2014-07-06 17:54:58 +0000 | [diff] [blame] | 2211 | |
Kate Stone | b9c1b51 | 2016-09-06 20:57:50 +0000 | [diff] [blame] | 2212 | context.AddTypeDecl(copied_clang_type); |
Sean Callanan | 5666b67 | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 2213 | } |