diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Expression/ExpressionSourceCode.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Expression/ExpressionSourceCode.cpp | 605 |
1 files changed, 281 insertions, 324 deletions
diff --git a/contrib/llvm/tools/lldb/source/Expression/ExpressionSourceCode.cpp b/contrib/llvm/tools/lldb/source/Expression/ExpressionSourceCode.cpp index 2d41d1a..90a9ff2 100644 --- a/contrib/llvm/tools/lldb/source/Expression/ExpressionSourceCode.cpp +++ b/contrib/llvm/tools/lldb/source/Expression/ExpressionSourceCode.cpp @@ -9,12 +9,12 @@ #include "lldb/Expression/ExpressionSourceCode.h" -#include "lldb/Core/StreamString.h" #include "Plugins/ExpressionParser/Clang/ClangModulesDeclVendor.h" #include "Plugins/ExpressionParser/Clang/ClangPersistentVariables.h" +#include "lldb/Core/StreamString.h" +#include "lldb/Symbol/Block.h" #include "lldb/Symbol/CompileUnit.h" #include "lldb/Symbol/DebugMacros.h" -#include "lldb/Symbol/Block.h" #include "lldb/Symbol/TypeSystem.h" #include "lldb/Symbol/VariableList.h" #include "lldb/Target/ExecutionContext.h" @@ -25,8 +25,7 @@ using namespace lldb_private; -const char * -ExpressionSourceCode::g_expression_prefix = R"( +const char *ExpressionSourceCode::g_expression_prefix = R"( #ifndef NULL #define NULL (__null) #endif @@ -62,366 +61,324 @@ extern "C" )"; static const char *c_start_marker = " /*LLDB_BODY_START*/\n "; -static const char *c_end_marker = ";\n /*LLDB_BODY_END*/\n"; +static const char *c_end_marker = ";\n /*LLDB_BODY_END*/\n"; namespace { -class AddMacroState -{ - enum State - { - CURRENT_FILE_NOT_YET_PUSHED, - CURRENT_FILE_PUSHED, - CURRENT_FILE_POPPED - }; +class AddMacroState { + enum State { + CURRENT_FILE_NOT_YET_PUSHED, + CURRENT_FILE_PUSHED, + CURRENT_FILE_POPPED + }; public: - AddMacroState(const FileSpec ¤t_file, const uint32_t current_file_line) - : m_state(CURRENT_FILE_NOT_YET_PUSHED), - m_current_file(current_file), - m_current_file_line(current_file_line) - { } - - void - StartFile(const FileSpec &file) - { - m_file_stack.push_back(file); - if (file == m_current_file) - m_state = CURRENT_FILE_PUSHED; - } + AddMacroState(const FileSpec ¤t_file, const uint32_t current_file_line) + : m_state(CURRENT_FILE_NOT_YET_PUSHED), m_current_file(current_file), + m_current_file_line(current_file_line) {} - void - EndFile() - { - if (m_file_stack.size() == 0) - return; + void StartFile(const FileSpec &file) { + m_file_stack.push_back(file); + if (file == m_current_file) + m_state = CURRENT_FILE_PUSHED; + } - FileSpec old_top = m_file_stack.back(); - m_file_stack.pop_back(); - if (old_top == m_current_file) - m_state = CURRENT_FILE_POPPED; - } + void EndFile() { + if (m_file_stack.size() == 0) + return; - // An entry is valid if it occurs before the current line in - // the current file. - bool - IsValidEntry(uint32_t line) - { - switch (m_state) - { - case CURRENT_FILE_NOT_YET_PUSHED: - return true; - case CURRENT_FILE_PUSHED: - // If we are in file included in the current file, - // the entry should be added. - if (m_file_stack.back() != m_current_file) - return true; - - if (line >= m_current_file_line) - return false; - else - return true; - default: - return false; - } + FileSpec old_top = m_file_stack.back(); + m_file_stack.pop_back(); + if (old_top == m_current_file) + m_state = CURRENT_FILE_POPPED; + } + + // An entry is valid if it occurs before the current line in + // the current file. + bool IsValidEntry(uint32_t line) { + switch (m_state) { + case CURRENT_FILE_NOT_YET_PUSHED: + return true; + case CURRENT_FILE_PUSHED: + // If we are in file included in the current file, + // the entry should be added. + if (m_file_stack.back() != m_current_file) + return true; + + if (line >= m_current_file_line) + return false; + else + return true; + default: + return false; } + } private: - std::vector<FileSpec> m_file_stack; - State m_state; - FileSpec m_current_file; - uint32_t m_current_file_line; + std::vector<FileSpec> m_file_stack; + State m_state; + FileSpec m_current_file; + uint32_t m_current_file_line; }; } // anonymous namespace -static void -AddMacros(const DebugMacros *dm, CompileUnit *comp_unit, AddMacroState &state, StreamString &stream) -{ - if (dm == nullptr) - return; +static void AddMacros(const DebugMacros *dm, CompileUnit *comp_unit, + AddMacroState &state, StreamString &stream) { + if (dm == nullptr) + return; - for (size_t i = 0; i < dm->GetNumMacroEntries(); i++) - { - const DebugMacroEntry &entry = dm->GetMacroEntryAtIndex(i); - uint32_t line; - - switch (entry.GetType()) - { - case DebugMacroEntry::DEFINE: - if (state.IsValidEntry(entry.GetLineNumber())) - stream.Printf("#define %s\n", entry.GetMacroString().AsCString()); - else - return; - break; - case DebugMacroEntry::UNDEF: - if (state.IsValidEntry(entry.GetLineNumber())) - stream.Printf("#undef %s\n", entry.GetMacroString().AsCString()); - else - return; - break; - case DebugMacroEntry::START_FILE: - line = entry.GetLineNumber(); - if (state.IsValidEntry(line)) - state.StartFile(entry.GetFileSpec(comp_unit)); - else - return; - break; - case DebugMacroEntry::END_FILE: - state.EndFile(); - break; - case DebugMacroEntry::INDIRECT: - AddMacros(entry.GetIndirectDebugMacros(), comp_unit, state, stream); - break; - default: - // This is an unknown/invalid entry. Ignore. - break; - } + for (size_t i = 0; i < dm->GetNumMacroEntries(); i++) { + const DebugMacroEntry &entry = dm->GetMacroEntryAtIndex(i); + uint32_t line; + + switch (entry.GetType()) { + case DebugMacroEntry::DEFINE: + if (state.IsValidEntry(entry.GetLineNumber())) + stream.Printf("#define %s\n", entry.GetMacroString().AsCString()); + else + return; + break; + case DebugMacroEntry::UNDEF: + if (state.IsValidEntry(entry.GetLineNumber())) + stream.Printf("#undef %s\n", entry.GetMacroString().AsCString()); + else + return; + break; + case DebugMacroEntry::START_FILE: + line = entry.GetLineNumber(); + if (state.IsValidEntry(line)) + state.StartFile(entry.GetFileSpec(comp_unit)); + else + return; + break; + case DebugMacroEntry::END_FILE: + state.EndFile(); + break; + case DebugMacroEntry::INDIRECT: + AddMacros(entry.GetIndirectDebugMacros(), comp_unit, state, stream); + break; + default: + // This is an unknown/invalid entry. Ignore. + break; } + } } -static void -AddLocalVariableDecls(const lldb::VariableListSP &var_list_sp, StreamString &stream) -{ - for (size_t i = 0; i < var_list_sp->GetSize(); i++) - { - lldb::VariableSP var_sp = var_list_sp->GetVariableAtIndex(i); +static void AddLocalVariableDecls(const lldb::VariableListSP &var_list_sp, + StreamString &stream) { + for (size_t i = 0; i < var_list_sp->GetSize(); i++) { + lldb::VariableSP var_sp = var_list_sp->GetVariableAtIndex(i); - ConstString var_name = var_sp->GetName(); - if (!var_name || var_name == ConstString("this") || var_name == ConstString(".block_descriptor")) - continue; + ConstString var_name = var_sp->GetName(); + if (!var_name || var_name == ConstString("this") || + var_name == ConstString(".block_descriptor")) + continue; - stream.Printf("using $__lldb_local_vars::%s;\n", var_name.AsCString()); - } + stream.Printf("using $__lldb_local_vars::%s;\n", var_name.AsCString()); + } } -bool ExpressionSourceCode::GetText (std::string &text, lldb::LanguageType wrapping_language, bool static_method, ExecutionContext &exe_ctx) const -{ - const char *target_specific_defines = "typedef signed char BOOL;\n"; - std::string module_macros; - - Target *target = exe_ctx.GetTargetPtr(); - if (target) - { - if (target->GetArchitecture().GetMachine() == llvm::Triple::aarch64) - { - target_specific_defines = "typedef bool BOOL;\n"; - } - if (target->GetArchitecture().GetMachine() == llvm::Triple::x86_64) - { - if (lldb::PlatformSP platform_sp = target->GetPlatform()) - { - static ConstString g_platform_ios_simulator ("ios-simulator"); - if (platform_sp->GetPluginName() == g_platform_ios_simulator) - { - target_specific_defines = "typedef bool BOOL;\n"; - } - } +bool ExpressionSourceCode::GetText(std::string &text, + lldb::LanguageType wrapping_language, + bool static_method, + ExecutionContext &exe_ctx) const { + const char *target_specific_defines = "typedef signed char BOOL;\n"; + std::string module_macros; + + Target *target = exe_ctx.GetTargetPtr(); + if (target) { + if (target->GetArchitecture().GetMachine() == llvm::Triple::aarch64) { + target_specific_defines = "typedef bool BOOL;\n"; + } + if (target->GetArchitecture().GetMachine() == llvm::Triple::x86_64) { + if (lldb::PlatformSP platform_sp = target->GetPlatform()) { + static ConstString g_platform_ios_simulator("ios-simulator"); + if (platform_sp->GetPluginName() == g_platform_ios_simulator) { + target_specific_defines = "typedef bool BOOL;\n"; } - - if (ClangModulesDeclVendor *decl_vendor = target->GetClangModulesDeclVendor()) - { - ClangPersistentVariables *persistent_vars = llvm::cast<ClangPersistentVariables>(target->GetPersistentExpressionStateForLanguage(lldb::eLanguageTypeC)); - const ClangModulesDeclVendor::ModuleVector &hand_imported_modules = persistent_vars->GetHandLoadedClangModules(); - ClangModulesDeclVendor::ModuleVector modules_for_macros; - - for (ClangModulesDeclVendor::ModuleID module : hand_imported_modules) - { - modules_for_macros.push_back(module); - } - - if (target->GetEnableAutoImportClangModules()) - { - if (StackFrame *frame = exe_ctx.GetFramePtr()) - { - if (Block *block = frame->GetFrameBlock()) - { - SymbolContext sc; - - block->CalculateSymbolContext(&sc); - - if (sc.comp_unit) - { - StreamString error_stream; - - decl_vendor->AddModulesForCompileUnit(*sc.comp_unit, modules_for_macros, error_stream); - } - } - } + } + } + + if (ClangModulesDeclVendor *decl_vendor = + target->GetClangModulesDeclVendor()) { + ClangPersistentVariables *persistent_vars = + llvm::cast<ClangPersistentVariables>( + target->GetPersistentExpressionStateForLanguage( + lldb::eLanguageTypeC)); + const ClangModulesDeclVendor::ModuleVector &hand_imported_modules = + persistent_vars->GetHandLoadedClangModules(); + ClangModulesDeclVendor::ModuleVector modules_for_macros; + + for (ClangModulesDeclVendor::ModuleID module : hand_imported_modules) { + modules_for_macros.push_back(module); + } + + if (target->GetEnableAutoImportClangModules()) { + if (StackFrame *frame = exe_ctx.GetFramePtr()) { + if (Block *block = frame->GetFrameBlock()) { + SymbolContext sc; + + block->CalculateSymbolContext(&sc); + + if (sc.comp_unit) { + StreamString error_stream; + + decl_vendor->AddModulesForCompileUnit( + *sc.comp_unit, modules_for_macros, error_stream); } - - decl_vendor->ForEachMacro(modules_for_macros, [&module_macros] (const std::string &expansion) -> bool { - module_macros.append(expansion); - module_macros.append("\n"); - return false; - }); + } } + } + decl_vendor->ForEachMacro( + modules_for_macros, + [&module_macros](const std::string &expansion) -> bool { + module_macros.append(expansion); + module_macros.append("\n"); + return false; + }); } + } - StreamString debug_macros_stream; - StreamString lldb_local_var_decls; - if (StackFrame *frame = exe_ctx.GetFramePtr()) - { - const SymbolContext &sc = frame->GetSymbolContext( - lldb:: eSymbolContextCompUnit | lldb::eSymbolContextLineEntry); - - if (sc.comp_unit && sc.line_entry.IsValid()) - { - DebugMacros *dm = sc.comp_unit->GetDebugMacros(); - if (dm) - { - AddMacroState state(sc.line_entry.file, sc.line_entry.line); - AddMacros(dm, sc.comp_unit, state, debug_macros_stream); - } - } + StreamString debug_macros_stream; + StreamString lldb_local_var_decls; + if (StackFrame *frame = exe_ctx.GetFramePtr()) { + const SymbolContext &sc = frame->GetSymbolContext( + lldb::eSymbolContextCompUnit | lldb::eSymbolContextLineEntry); - ConstString object_name; - if (Language::LanguageIsCPlusPlus(frame->GetLanguage())) - { - if (target->GetInjectLocalVariables(&exe_ctx)) - { - lldb::VariableListSP var_list_sp = frame->GetInScopeVariableList(false, true); - AddLocalVariableDecls(var_list_sp, lldb_local_var_decls); - } - } + if (sc.comp_unit && sc.line_entry.IsValid()) { + DebugMacros *dm = sc.comp_unit->GetDebugMacros(); + if (dm) { + AddMacroState state(sc.line_entry.file, sc.line_entry.line); + AddMacros(dm, sc.comp_unit, state, debug_macros_stream); + } } - if (m_wrap) - { - switch (wrapping_language) - { - default: - return false; - case lldb::eLanguageTypeC: - case lldb::eLanguageTypeC_plus_plus: - case lldb::eLanguageTypeObjC: - break; - } - - StreamString wrap_stream; - - wrap_stream.Printf("%s\n%s\n%s\n%s\n%s\n", - module_macros.c_str(), - debug_macros_stream.GetData(), - g_expression_prefix, - target_specific_defines, - m_prefix.c_str()); - - // First construct a tagged form of the user expression so we can find it later: - std::string tagged_body; - switch (wrapping_language) - { - default: - tagged_body = m_body; - break; - case lldb::eLanguageTypeC: - case lldb::eLanguageTypeC_plus_plus: - case lldb::eLanguageTypeObjC: - tagged_body.append(c_start_marker); - tagged_body.append(m_body); - tagged_body.append(c_end_marker); - break; - - } - switch (wrapping_language) - { - default: - break; - case lldb::eLanguageTypeC: - wrap_stream.Printf("void \n" - "%s(void *$__lldb_arg) \n" - "{ \n" - " %s; \n" - "%s" - "} \n", - m_name.c_str(), - lldb_local_var_decls.GetData(), - tagged_body.c_str()); - break; - case lldb::eLanguageTypeC_plus_plus: - wrap_stream.Printf("void \n" - "$__lldb_class::%s(void *$__lldb_arg) \n" - "{ \n" - " %s; \n" - "%s" - "} \n", - m_name.c_str(), - lldb_local_var_decls.GetData(), - tagged_body.c_str()); - break; - case lldb::eLanguageTypeObjC: - if (static_method) - { - wrap_stream.Printf("@interface $__lldb_objc_class ($__lldb_category) \n" - "+(void)%s:(void *)$__lldb_arg; \n" - "@end \n" - "@implementation $__lldb_objc_class ($__lldb_category) \n" - "+(void)%s:(void *)$__lldb_arg \n" - "{ \n" - "%s" - "} \n" - "@end \n", - m_name.c_str(), - m_name.c_str(), - tagged_body.c_str()); - } - else - { - wrap_stream.Printf("@interface $__lldb_objc_class ($__lldb_category) \n" - "-(void)%s:(void *)$__lldb_arg; \n" - "@end \n" - "@implementation $__lldb_objc_class ($__lldb_category) \n" - "-(void)%s:(void *)$__lldb_arg \n" - "{ \n" - "%s" - "} \n" - "@end \n", - m_name.c_str(), - m_name.c_str(), - tagged_body.c_str()); - } - break; - } - - text = wrap_stream.GetString(); + ConstString object_name; + if (Language::LanguageIsCPlusPlus(frame->GetLanguage())) { + if (target->GetInjectLocalVariables(&exe_ctx)) { + lldb::VariableListSP var_list_sp = + frame->GetInScopeVariableList(false, true); + AddLocalVariableDecls(var_list_sp, lldb_local_var_decls); + } } - else - { - text.append(m_body); + } + + if (m_wrap) { + switch (wrapping_language) { + default: + return false; + case lldb::eLanguageTypeC: + case lldb::eLanguageTypeC_plus_plus: + case lldb::eLanguageTypeObjC: + break; } - return true; -} + StreamString wrap_stream; -bool -ExpressionSourceCode::GetOriginalBodyBounds(std::string transformed_text, - lldb::LanguageType wrapping_language, - size_t &start_loc, - size_t &end_loc) -{ - const char *start_marker; - const char *end_marker; - - switch (wrapping_language) - { + wrap_stream.Printf("%s\n%s\n%s\n%s\n%s\n", module_macros.c_str(), + debug_macros_stream.GetData(), g_expression_prefix, + target_specific_defines, m_prefix.c_str()); + + // First construct a tagged form of the user expression so we can find it + // later: + std::string tagged_body; + switch (wrapping_language) { default: - return false; + tagged_body = m_body; + break; case lldb::eLanguageTypeC: case lldb::eLanguageTypeC_plus_plus: case lldb::eLanguageTypeObjC: - start_marker = c_start_marker; - end_marker = c_end_marker; - break; + tagged_body.append(c_start_marker); + tagged_body.append(m_body); + tagged_body.append(c_end_marker); + break; } - - start_loc = transformed_text.find(start_marker); - if (start_loc == std::string::npos) - return false; - start_loc += strlen(start_marker); - end_loc = transformed_text.find(end_marker); - if (end_loc == std::string::npos) - return false; - return true; + switch (wrapping_language) { + default: + break; + case lldb::eLanguageTypeC: + wrap_stream.Printf("void \n" + "%s(void *$__lldb_arg) \n" + "{ \n" + " %s; \n" + "%s" + "} \n", + m_name.c_str(), lldb_local_var_decls.GetData(), + tagged_body.c_str()); + break; + case lldb::eLanguageTypeC_plus_plus: + wrap_stream.Printf("void \n" + "$__lldb_class::%s(void *$__lldb_arg) \n" + "{ \n" + " %s; \n" + "%s" + "} \n", + m_name.c_str(), lldb_local_var_decls.GetData(), + tagged_body.c_str()); + break; + case lldb::eLanguageTypeObjC: + if (static_method) { + wrap_stream.Printf( + "@interface $__lldb_objc_class ($__lldb_category) \n" + "+(void)%s:(void *)$__lldb_arg; \n" + "@end \n" + "@implementation $__lldb_objc_class ($__lldb_category) \n" + "+(void)%s:(void *)$__lldb_arg \n" + "{ \n" + "%s" + "} \n" + "@end \n", + m_name.c_str(), m_name.c_str(), tagged_body.c_str()); + } else { + wrap_stream.Printf( + "@interface $__lldb_objc_class ($__lldb_category) \n" + "-(void)%s:(void *)$__lldb_arg; \n" + "@end \n" + "@implementation $__lldb_objc_class ($__lldb_category) \n" + "-(void)%s:(void *)$__lldb_arg \n" + "{ \n" + "%s" + "} \n" + "@end \n", + m_name.c_str(), m_name.c_str(), tagged_body.c_str()); + } + break; + } + + text = wrap_stream.GetString(); + } else { + text.append(m_body); + } + + return true; } +bool ExpressionSourceCode::GetOriginalBodyBounds( + std::string transformed_text, lldb::LanguageType wrapping_language, + size_t &start_loc, size_t &end_loc) { + const char *start_marker; + const char *end_marker; + + switch (wrapping_language) { + default: + return false; + case lldb::eLanguageTypeC: + case lldb::eLanguageTypeC_plus_plus: + case lldb::eLanguageTypeObjC: + start_marker = c_start_marker; + end_marker = c_end_marker; + break; + } + + start_loc = transformed_text.find(start_marker); + if (start_loc == std::string::npos) + return false; + start_loc += strlen(start_marker); + end_loc = transformed_text.find(end_marker); + if (end_loc == std::string::npos) + return false; + return true; +} |
