llvm-project/lldb/source/API/SBCommandInterpreter.cpp
Kate Stone b9c1b51e45 *** This commit represents a complete reformatting of the LLDB source code
*** to conform to clang-format’s LLVM style.  This kind of mass change has
*** two obvious implications:

Firstly, merging this particular commit into a downstream fork may be a huge
effort.  Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit.  The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):

    find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
    find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;

The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.

Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit.  There are alternatives available that will attempt
to look through this change and find the appropriate prior commit.  YMMV.

llvm-svn: 280751
2016-09-06 20:57:50 +00:00

615 lines
21 KiB
C++

//===-- SBCommandInterpreter.cpp --------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-types.h"
#include "lldb/Core/Listener.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandObjectMultiword.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/Target.h"
#include "lldb/API/SBBroadcaster.h"
#include "lldb/API/SBCommandInterpreter.h"
#include "lldb/API/SBCommandReturnObject.h"
#include "lldb/API/SBEvent.h"
#include "lldb/API/SBExecutionContext.h"
#include "lldb/API/SBListener.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBStringList.h"
#include "lldb/API/SBTarget.h"
using namespace lldb;
using namespace lldb_private;
SBCommandInterpreterRunOptions::SBCommandInterpreterRunOptions() {
m_opaque_up.reset(new CommandInterpreterRunOptions());
}
SBCommandInterpreterRunOptions::~SBCommandInterpreterRunOptions() = default;
bool SBCommandInterpreterRunOptions::GetStopOnContinue() const {
return m_opaque_up->GetStopOnContinue();
}
void SBCommandInterpreterRunOptions::SetStopOnContinue(bool stop_on_continue) {
m_opaque_up->SetStopOnContinue(stop_on_continue);
}
bool SBCommandInterpreterRunOptions::GetStopOnError() const {
return m_opaque_up->GetStopOnError();
}
void SBCommandInterpreterRunOptions::SetStopOnError(bool stop_on_error) {
m_opaque_up->SetStopOnError(stop_on_error);
}
bool SBCommandInterpreterRunOptions::GetStopOnCrash() const {
return m_opaque_up->GetStopOnCrash();
}
void SBCommandInterpreterRunOptions::SetStopOnCrash(bool stop_on_crash) {
m_opaque_up->SetStopOnCrash(stop_on_crash);
}
bool SBCommandInterpreterRunOptions::GetEchoCommands() const {
return m_opaque_up->GetEchoCommands();
}
void SBCommandInterpreterRunOptions::SetEchoCommands(bool echo_commands) {
m_opaque_up->SetEchoCommands(echo_commands);
}
bool SBCommandInterpreterRunOptions::GetPrintResults() const {
return m_opaque_up->GetPrintResults();
}
void SBCommandInterpreterRunOptions::SetPrintResults(bool print_results) {
m_opaque_up->SetPrintResults(print_results);
}
bool SBCommandInterpreterRunOptions::GetAddToHistory() const {
return m_opaque_up->GetAddToHistory();
}
void SBCommandInterpreterRunOptions::SetAddToHistory(bool add_to_history) {
m_opaque_up->SetAddToHistory(add_to_history);
}
lldb_private::CommandInterpreterRunOptions *
SBCommandInterpreterRunOptions::get() const {
return m_opaque_up.get();
}
lldb_private::CommandInterpreterRunOptions &
SBCommandInterpreterRunOptions::ref() const {
return *m_opaque_up.get();
}
class CommandPluginInterfaceImplementation : public CommandObjectParsed {
public:
CommandPluginInterfaceImplementation(CommandInterpreter &interpreter,
const char *name,
lldb::SBCommandPluginInterface *backend,
const char *help = nullptr,
const char *syntax = nullptr,
uint32_t flags = 0)
: CommandObjectParsed(interpreter, name, help, syntax, flags),
m_backend(backend) {}
bool IsRemovable() const override { return true; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
SBCommandReturnObject sb_return(&result);
SBCommandInterpreter sb_interpreter(&m_interpreter);
SBDebugger debugger_sb(m_interpreter.GetDebugger().shared_from_this());
bool ret = m_backend->DoExecute(
debugger_sb, (char **)command.GetArgumentVector(), sb_return);
sb_return.Release();
return ret;
}
std::shared_ptr<lldb::SBCommandPluginInterface> m_backend;
};
SBCommandInterpreter::SBCommandInterpreter(CommandInterpreter *interpreter)
: m_opaque_ptr(interpreter) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommandInterpreter::SBCommandInterpreter (interpreter=%p)"
" => SBCommandInterpreter(%p)",
static_cast<void *>(interpreter),
static_cast<void *>(m_opaque_ptr));
}
SBCommandInterpreter::SBCommandInterpreter(const SBCommandInterpreter &rhs)
: m_opaque_ptr(rhs.m_opaque_ptr) {}
SBCommandInterpreter::~SBCommandInterpreter() = default;
const SBCommandInterpreter &SBCommandInterpreter::
operator=(const SBCommandInterpreter &rhs) {
m_opaque_ptr = rhs.m_opaque_ptr;
return *this;
}
bool SBCommandInterpreter::IsValid() const { return m_opaque_ptr != nullptr; }
bool SBCommandInterpreter::CommandExists(const char *cmd) {
return (((cmd != nullptr) && IsValid()) ? m_opaque_ptr->CommandExists(cmd)
: false);
}
bool SBCommandInterpreter::AliasExists(const char *cmd) {
return (((cmd != nullptr) && IsValid()) ? m_opaque_ptr->AliasExists(cmd)
: false);
}
bool SBCommandInterpreter::IsActive() {
return (IsValid() ? m_opaque_ptr->IsActive() : false);
}
const char *SBCommandInterpreter::GetIOHandlerControlSequence(char ch) {
return (IsValid()
? m_opaque_ptr->GetDebugger()
.GetTopIOHandlerControlSequence(ch)
.GetCString()
: nullptr);
}
lldb::ReturnStatus
SBCommandInterpreter::HandleCommand(const char *command_line,
SBCommandReturnObject &result,
bool add_to_history) {
SBExecutionContext sb_exe_ctx;
return HandleCommand(command_line, sb_exe_ctx, result, add_to_history);
}
lldb::ReturnStatus SBCommandInterpreter::HandleCommand(
const char *command_line, SBExecutionContext &override_context,
SBCommandReturnObject &result, bool add_to_history) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommandInterpreter(%p)::HandleCommand (command=\"%s\", "
"SBCommandReturnObject(%p), add_to_history=%i)",
static_cast<void *>(m_opaque_ptr), command_line,
static_cast<void *>(result.get()), add_to_history);
ExecutionContext ctx, *ctx_ptr;
if (override_context.get()) {
ctx = override_context.get()->Lock(true);
ctx_ptr = &ctx;
} else
ctx_ptr = nullptr;
result.Clear();
if (command_line && IsValid()) {
result.ref().SetInteractive(false);
m_opaque_ptr->HandleCommand(command_line,
add_to_history ? eLazyBoolYes : eLazyBoolNo,
result.ref(), ctx_ptr);
} else {
result->AppendError(
"SBCommandInterpreter or the command line is not valid");
result->SetStatus(eReturnStatusFailed);
}
// We need to get the value again, in case the command disabled the log!
log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API);
if (log) {
SBStream sstr;
result.GetDescription(sstr);
log->Printf("SBCommandInterpreter(%p)::HandleCommand (command=\"%s\", "
"SBCommandReturnObject(%p): %s, add_to_history=%i) => %i",
static_cast<void *>(m_opaque_ptr), command_line,
static_cast<void *>(result.get()), sstr.GetData(),
add_to_history, result.GetStatus());
}
return result.GetStatus();
}
void SBCommandInterpreter::HandleCommandsFromFile(
lldb::SBFileSpec &file, lldb::SBExecutionContext &override_context,
lldb::SBCommandInterpreterRunOptions &options,
lldb::SBCommandReturnObject result) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log) {
SBStream s;
file.GetDescription(s);
log->Printf("SBCommandInterpreter(%p)::HandleCommandsFromFile "
"(file=\"%s\", SBCommandReturnObject(%p))",
static_cast<void *>(m_opaque_ptr), s.GetData(),
static_cast<void *>(result.get()));
}
if (!IsValid()) {
result->AppendError("SBCommandInterpreter is not valid.");
result->SetStatus(eReturnStatusFailed);
return;
}
if (!file.IsValid()) {
SBStream s;
file.GetDescription(s);
result->AppendErrorWithFormat("File is not valid: %s.", s.GetData());
result->SetStatus(eReturnStatusFailed);
}
FileSpec tmp_spec = file.ref();
ExecutionContext ctx, *ctx_ptr;
if (override_context.get()) {
ctx = override_context.get()->Lock(true);
ctx_ptr = &ctx;
} else
ctx_ptr = nullptr;
m_opaque_ptr->HandleCommandsFromFile(tmp_spec, ctx_ptr, options.ref(),
result.ref());
}
int SBCommandInterpreter::HandleCompletion(
const char *current_line, const char *cursor, const char *last_char,
int match_start_point, int max_return_elements, SBStringList &matches) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
int num_completions = 0;
// Sanity check the arguments that are passed in:
// cursor & last_char have to be within the current_line.
if (current_line == nullptr || cursor == nullptr || last_char == nullptr)
return 0;
if (cursor < current_line || last_char < current_line)
return 0;
size_t current_line_size = strlen(current_line);
if (cursor - current_line > static_cast<ptrdiff_t>(current_line_size) ||
last_char - current_line > static_cast<ptrdiff_t>(current_line_size))
return 0;
if (log)
log->Printf("SBCommandInterpreter(%p)::HandleCompletion "
"(current_line=\"%s\", cursor at: %" PRId64
", last char at: %" PRId64
", match_start_point: %d, max_return_elements: %d)",
static_cast<void *>(m_opaque_ptr), current_line,
static_cast<uint64_t>(cursor - current_line),
static_cast<uint64_t>(last_char - current_line),
match_start_point, max_return_elements);
if (IsValid()) {
lldb_private::StringList lldb_matches;
num_completions = m_opaque_ptr->HandleCompletion(
current_line, cursor, last_char, match_start_point, max_return_elements,
lldb_matches);
SBStringList temp_list(&lldb_matches);
matches.AppendList(temp_list);
}
if (log)
log->Printf(
"SBCommandInterpreter(%p)::HandleCompletion - Found %d completions.",
static_cast<void *>(m_opaque_ptr), num_completions);
return num_completions;
}
int SBCommandInterpreter::HandleCompletion(const char *current_line,
uint32_t cursor_pos,
int match_start_point,
int max_return_elements,
lldb::SBStringList &matches) {
const char *cursor = current_line + cursor_pos;
const char *last_char = current_line + strlen(current_line);
return HandleCompletion(current_line, cursor, last_char, match_start_point,
max_return_elements, matches);
}
bool SBCommandInterpreter::HasCommands() {
return (IsValid() ? m_opaque_ptr->HasCommands() : false);
}
bool SBCommandInterpreter::HasAliases() {
return (IsValid() ? m_opaque_ptr->HasAliases() : false);
}
bool SBCommandInterpreter::HasAliasOptions() {
return (IsValid() ? m_opaque_ptr->HasAliasOptions() : false);
}
SBProcess SBCommandInterpreter::GetProcess() {
SBProcess sb_process;
ProcessSP process_sp;
if (IsValid()) {
TargetSP target_sp(m_opaque_ptr->GetDebugger().GetSelectedTarget());
if (target_sp) {
std::lock_guard<std::recursive_mutex> guard(target_sp->GetAPIMutex());
process_sp = target_sp->GetProcessSP();
sb_process.SetSP(process_sp);
}
}
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommandInterpreter(%p)::GetProcess () => SBProcess(%p)",
static_cast<void *>(m_opaque_ptr),
static_cast<void *>(process_sp.get()));
return sb_process;
}
SBDebugger SBCommandInterpreter::GetDebugger() {
SBDebugger sb_debugger;
if (IsValid())
sb_debugger.reset(m_opaque_ptr->GetDebugger().shared_from_this());
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommandInterpreter(%p)::GetDebugger () => SBDebugger(%p)",
static_cast<void *>(m_opaque_ptr),
static_cast<void *>(sb_debugger.get()));
return sb_debugger;
}
bool SBCommandInterpreter::GetPromptOnQuit() {
return (IsValid() ? m_opaque_ptr->GetPromptOnQuit() : false);
}
void SBCommandInterpreter::SetPromptOnQuit(bool b) {
if (IsValid())
m_opaque_ptr->SetPromptOnQuit(b);
}
void SBCommandInterpreter::ResolveCommand(const char *command_line,
SBCommandReturnObject &result) {
result.Clear();
if (command_line && IsValid()) {
m_opaque_ptr->ResolveCommand(command_line, result.ref());
} else {
result->AppendError(
"SBCommandInterpreter or the command line is not valid");
result->SetStatus(eReturnStatusFailed);
}
}
CommandInterpreter *SBCommandInterpreter::get() { return m_opaque_ptr; }
CommandInterpreter &SBCommandInterpreter::ref() {
assert(m_opaque_ptr);
return *m_opaque_ptr;
}
void SBCommandInterpreter::reset(
lldb_private::CommandInterpreter *interpreter) {
m_opaque_ptr = interpreter;
}
void SBCommandInterpreter::SourceInitFileInHomeDirectory(
SBCommandReturnObject &result) {
result.Clear();
if (IsValid()) {
TargetSP target_sp(m_opaque_ptr->GetDebugger().GetSelectedTarget());
std::unique_lock<std::recursive_mutex> lock;
if (target_sp)
lock = std::unique_lock<std::recursive_mutex>(target_sp->GetAPIMutex());
m_opaque_ptr->SourceInitFile(false, result.ref());
} else {
result->AppendError("SBCommandInterpreter is not valid");
result->SetStatus(eReturnStatusFailed);
}
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommandInterpreter(%p)::SourceInitFileInHomeDirectory "
"(&SBCommandReturnObject(%p))",
static_cast<void *>(m_opaque_ptr),
static_cast<void *>(result.get()));
}
void SBCommandInterpreter::SourceInitFileInCurrentWorkingDirectory(
SBCommandReturnObject &result) {
result.Clear();
if (IsValid()) {
TargetSP target_sp(m_opaque_ptr->GetDebugger().GetSelectedTarget());
std::unique_lock<std::recursive_mutex> lock;
if (target_sp)
lock = std::unique_lock<std::recursive_mutex>(target_sp->GetAPIMutex());
m_opaque_ptr->SourceInitFile(true, result.ref());
} else {
result->AppendError("SBCommandInterpreter is not valid");
result->SetStatus(eReturnStatusFailed);
}
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf(
"SBCommandInterpreter(%p)::SourceInitFileInCurrentWorkingDirectory "
"(&SBCommandReturnObject(%p))",
static_cast<void *>(m_opaque_ptr), static_cast<void *>(result.get()));
}
SBBroadcaster SBCommandInterpreter::GetBroadcaster() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
SBBroadcaster broadcaster(m_opaque_ptr, false);
if (log)
log->Printf(
"SBCommandInterpreter(%p)::GetBroadcaster() => SBBroadcaster(%p)",
static_cast<void *>(m_opaque_ptr),
static_cast<void *>(broadcaster.get()));
return broadcaster;
}
const char *SBCommandInterpreter::GetBroadcasterClass() {
return CommandInterpreter::GetStaticBroadcasterClass().AsCString();
}
const char *SBCommandInterpreter::GetArgumentTypeAsCString(
const lldb::CommandArgumentType arg_type) {
return CommandObject::GetArgumentTypeAsCString(arg_type);
}
const char *SBCommandInterpreter::GetArgumentDescriptionAsCString(
const lldb::CommandArgumentType arg_type) {
return CommandObject::GetArgumentDescriptionAsCString(arg_type);
}
bool SBCommandInterpreter::EventIsCommandInterpreterEvent(
const lldb::SBEvent &event) {
return event.GetBroadcasterClass() ==
SBCommandInterpreter::GetBroadcasterClass();
}
bool SBCommandInterpreter::SetCommandOverrideCallback(
const char *command_name, lldb::CommandOverrideCallback callback,
void *baton) {
if (command_name && command_name[0] && IsValid()) {
std::string command_name_str(command_name);
CommandObject *cmd_obj =
m_opaque_ptr->GetCommandObjectForCommand(command_name_str);
if (cmd_obj) {
assert(command_name_str.empty());
cmd_obj->SetOverrideCallback(callback, baton);
return true;
}
}
return false;
}
lldb::SBCommand SBCommandInterpreter::AddMultiwordCommand(const char *name,
const char *help) {
CommandObjectMultiword *new_command =
new CommandObjectMultiword(*m_opaque_ptr, name, help);
new_command->SetRemovable(true);
lldb::CommandObjectSP new_command_sp(new_command);
if (new_command_sp &&
m_opaque_ptr->AddUserCommand(name, new_command_sp, true))
return lldb::SBCommand(new_command_sp);
return lldb::SBCommand();
}
lldb::SBCommand SBCommandInterpreter::AddCommand(
const char *name, lldb::SBCommandPluginInterface *impl, const char *help) {
lldb::CommandObjectSP new_command_sp;
new_command_sp.reset(new CommandPluginInterfaceImplementation(
*m_opaque_ptr, name, impl, help));
if (new_command_sp &&
m_opaque_ptr->AddUserCommand(name, new_command_sp, true))
return lldb::SBCommand(new_command_sp);
return lldb::SBCommand();
}
lldb::SBCommand
SBCommandInterpreter::AddCommand(const char *name,
lldb::SBCommandPluginInterface *impl,
const char *help, const char *syntax) {
lldb::CommandObjectSP new_command_sp;
new_command_sp.reset(new CommandPluginInterfaceImplementation(
*m_opaque_ptr, name, impl, help, syntax));
if (new_command_sp &&
m_opaque_ptr->AddUserCommand(name, new_command_sp, true))
return lldb::SBCommand(new_command_sp);
return lldb::SBCommand();
}
SBCommand::SBCommand() = default;
SBCommand::SBCommand(lldb::CommandObjectSP cmd_sp) : m_opaque_sp(cmd_sp) {}
bool SBCommand::IsValid() { return m_opaque_sp.get() != nullptr; }
const char *SBCommand::GetName() {
return (IsValid() ? m_opaque_sp->GetCommandName() : nullptr);
}
const char *SBCommand::GetHelp() {
return (IsValid() ? m_opaque_sp->GetHelp() : nullptr);
}
const char *SBCommand::GetHelpLong() {
return (IsValid() ? m_opaque_sp->GetHelpLong() : nullptr);
}
void SBCommand::SetHelp(const char *help) {
if (IsValid())
m_opaque_sp->SetHelp(help);
}
void SBCommand::SetHelpLong(const char *help) {
if (IsValid())
m_opaque_sp->SetHelpLong(help);
}
lldb::SBCommand SBCommand::AddMultiwordCommand(const char *name,
const char *help) {
if (!IsValid())
return lldb::SBCommand();
if (!m_opaque_sp->IsMultiwordObject())
return lldb::SBCommand();
CommandObjectMultiword *new_command = new CommandObjectMultiword(
m_opaque_sp->GetCommandInterpreter(), name, help);
new_command->SetRemovable(true);
lldb::CommandObjectSP new_command_sp(new_command);
if (new_command_sp && m_opaque_sp->LoadSubCommand(name, new_command_sp))
return lldb::SBCommand(new_command_sp);
return lldb::SBCommand();
}
lldb::SBCommand SBCommand::AddCommand(const char *name,
lldb::SBCommandPluginInterface *impl,
const char *help) {
if (!IsValid())
return lldb::SBCommand();
if (!m_opaque_sp->IsMultiwordObject())
return lldb::SBCommand();
lldb::CommandObjectSP new_command_sp;
new_command_sp.reset(new CommandPluginInterfaceImplementation(
m_opaque_sp->GetCommandInterpreter(), name, impl, help));
if (new_command_sp && m_opaque_sp->LoadSubCommand(name, new_command_sp))
return lldb::SBCommand(new_command_sp);
return lldb::SBCommand();
}
lldb::SBCommand SBCommand::AddCommand(const char *name,
lldb::SBCommandPluginInterface *impl,
const char *help, const char *syntax) {
if (!IsValid())
return lldb::SBCommand();
if (!m_opaque_sp->IsMultiwordObject())
return lldb::SBCommand();
lldb::CommandObjectSP new_command_sp;
new_command_sp.reset(new CommandPluginInterfaceImplementation(
m_opaque_sp->GetCommandInterpreter(), name, impl, help, syntax));
if (new_command_sp && m_opaque_sp->LoadSubCommand(name, new_command_sp))
return lldb::SBCommand(new_command_sp);
return lldb::SBCommand();
}
uint32_t SBCommand::GetFlags() {
return (IsValid() ? m_opaque_sp->GetFlags().Get() : 0);
}
void SBCommand::SetFlags(uint32_t flags) {
if (IsValid())
m_opaque_sp->GetFlags().Set(flags);
}