TEST(ArgsTest, TestArgv) {
Args args;
EXPECT_EQ(nullptr, args.GetArgumentVector());
args.AppendArgument("1");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[1]);
args.AppendArgument("2");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[2]);
args.AppendArgument("3");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_NE(nullptr, args.GetArgumentVector()[2]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[3]);
args.InsertArgumentAtIndex(1, "1.5");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_NE(nullptr, args.GetArgumentVector()[2]);
EXPECT_NE(nullptr, args.GetArgumentVector()[3]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[4]);
args.InsertArgumentAtIndex(4, "3.5");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_NE(nullptr, args.GetArgumentVector()[2]);
EXPECT_NE(nullptr, args.GetArgumentVector()[3]);
EXPECT_NE(nullptr, args.GetArgumentVector()[4]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[5]);
}
TEST(ArgsTest, TestInsertArg) {
Args args;
args.AppendArgument("1");
args.AppendArgument("2");
args.AppendArgument("3");
args.InsertArgumentAtIndex(1, "1.5");
args.InsertArgumentAtIndex(4, "3.5");
ASSERT_EQ(5u, args.GetArgumentCount());
EXPECT_STREQ("1", args.GetArgumentAtIndex(0));
EXPECT_STREQ("1.5", args.GetArgumentAtIndex(1));
EXPECT_STREQ("2", args.GetArgumentAtIndex(2));
EXPECT_STREQ("3", args.GetArgumentAtIndex(3));
EXPECT_STREQ("3.5", args.GetArgumentAtIndex(4));
}
bool TestClient::StartDebugger() {
const ArchSpec &arch_spec = HostInfo::GetArchitecture();
Args args;
args.AppendArgument(LLDB_SERVER);
args.AppendArgument("gdbserver");
args.AppendArgument("--log-channels=gdb-remote packets");
args.AppendArgument("--reverse-connect");
std::string log_file_name = GenerateLogFileName(arch_spec);
if (log_file_name.size()) {
args.AppendArgument("--log-file=" + log_file_name);
}
Status error;
TCPSocket listen_socket(true, false);
error = listen_socket.Listen("127.0.0.1:0", 5);
if (error.Fail()) {
GTEST_LOG_(ERROR) << "Unable to open listen socket.";
return false;
}
char connect_remote_address[64];
snprintf(connect_remote_address, sizeof(connect_remote_address),
"localhost:%u", listen_socket.GetLocalPortNumber());
args.AppendArgument(connect_remote_address);
m_server_process_info.SetArchitecture(arch_spec);
m_server_process_info.SetArguments(args, true);
Status status = Host::LaunchProcess(m_server_process_info);
if (status.Fail()) {
GTEST_LOG_(ERROR)
<< formatv("Failure to launch lldb server: {0}.", status).str();
return false;
}
char connect_remote_uri[64];
snprintf(connect_remote_uri, sizeof(connect_remote_uri), "connect://%s",
connect_remote_address);
Socket *accept_socket;
listen_socket.Accept(accept_socket);
SetConnection(new ConnectionFileDescriptor(accept_socket));
SendAck(); // Send this as a handshake.
return true;
}
TEST(ArgsTest, TestAppendArg) {
Args args;
args.SetCommandString("first_arg");
EXPECT_EQ(1u, args.GetArgumentCount());
args.AppendArgument(llvm::StringRef("second_arg"));
EXPECT_EQ(2u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "first_arg");
EXPECT_STREQ(args.GetArgumentAtIndex(1), "second_arg");
}
// If there is no PATH variable specified inside the environment then set the path to /system/bin.
// It is required because the default path used by execve() is wrong on android.
static void
FixupEnvironment(Args& env)
{
static const char* path = "PATH=";
static const int path_len = ::strlen(path);
for (const char** args = env.GetConstArgumentVector(); *args; ++args)
if (::strncmp(path, *args, path_len) == 0)
return;
env.AppendArgument("PATH=/system/bin");
}
size_t OptionValueDictionary::GetArgs(Args &args) const {
args.Clear();
collection::const_iterator pos, end = m_values.end();
for (pos = m_values.begin(); pos != end; ++pos) {
StreamString strm;
strm.Printf("%s=", pos->first.GetCString());
pos->second->DumpValue(nullptr, strm, eDumpOptionValue | eDumpOptionRaw);
args.AppendArgument(strm.GetString());
}
return args.GetArgumentCount();
}
size_t OptionValueArray::GetArgs(Args &args) const {
args.Clear();
const uint32_t size = m_values.size();
for (uint32_t i = 0; i < size; ++i) {
llvm::StringRef string_value = m_values[i]->GetStringValue();
if (!string_value.empty())
args.AppendArgument(string_value);
}
return args.GetArgumentCount();
}
static void FixupEnvironment(Args &env) {
#ifdef __ANDROID__
// If there is no PATH variable specified inside the environment then set the
// path to /system/bin. It is required because the default path used by
// execve() is wrong on android.
static const char *path = "PATH=";
for (auto &entry : env.entries()) {
if (entry.ref.startswith(path))
return;
}
env.AppendArgument(llvm::StringRef("PATH=/system/bin"));
#endif
}
int CommandObjectMultiword::HandleCompletion(Args &input, int &cursor_index,
int &cursor_char_position,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches) {
// Any of the command matches will provide a complete word, otherwise the
// individual
// completers will override this.
word_complete = true;
const char *arg0 = input.GetArgumentAtIndex(0);
if (cursor_index == 0) {
AddNamesMatchingPartialString(m_subcommand_dict, arg0, matches);
if (matches.GetSize() == 1 && matches.GetStringAtIndex(0) != nullptr &&
strcmp(arg0, matches.GetStringAtIndex(0)) == 0) {
StringList temp_matches;
CommandObject *cmd_obj = GetSubcommandObject(arg0, &temp_matches);
if (cmd_obj != nullptr) {
if (input.GetArgumentCount() == 1) {
word_complete = true;
} else {
matches.DeleteStringAtIndex(0);
input.Shift();
cursor_char_position = 0;
input.AppendArgument("");
return cmd_obj->HandleCompletion(
input, cursor_index, cursor_char_position, match_start_point,
max_return_elements, word_complete, matches);
}
}
}
return matches.GetSize();
} else {
CommandObject *sub_command_object = GetSubcommandObject(arg0, &matches);
if (sub_command_object == nullptr) {
return matches.GetSize();
} else {
// Remove the one match that we got from calling GetSubcommandObject.
matches.DeleteStringAtIndex(0);
input.Shift();
cursor_index--;
return sub_command_object->HandleCompletion(
input, cursor_index, cursor_char_position, match_start_point,
max_return_elements, word_complete, matches);
}
}
}
SBError
SBPlatform::ConnectRemote (SBPlatformConnectOptions &connect_options)
{
SBError sb_error;
PlatformSP platform_sp(GetSP());
if (platform_sp && connect_options.GetURL())
{
Args args;
args.AppendArgument(connect_options.GetURL());
sb_error.ref() = platform_sp->ConnectRemote(args);
}
else
{
sb_error.SetErrorString("invalid platform");
}
return sb_error;
}
void
BreakpointIDList::FindAndReplaceIDRanges (Args &old_args, Target *target, CommandReturnObject &result,
Args &new_args)
{
std::string range_start;
const char *range_end;
const char *current_arg;
const size_t num_old_args = old_args.GetArgumentCount();
for (size_t i = 0; i < num_old_args; ++i)
{
bool is_range = false;
current_arg = old_args.GetArgumentAtIndex (i);
uint32_t range_start_len = 0;
uint32_t range_end_pos = 0;
if (BreakpointIDList::StringContainsIDRangeExpression (current_arg, &range_start_len, &range_end_pos))
{
is_range = true;
range_start = (char *) malloc (range_start_len + 1);
range_start.assign (current_arg, range_start_len);
range_end = current_arg + range_end_pos;
}
else if ((i + 2 < num_old_args)
&& BreakpointID::IsRangeIdentifier (old_args.GetArgumentAtIndex (i+1))
&& BreakpointID::IsValidIDExpression (current_arg)
&& BreakpointID::IsValidIDExpression (old_args.GetArgumentAtIndex (i+2)))
{
range_start.assign (current_arg);
range_end = old_args.GetArgumentAtIndex (i+2);
is_range = true;
i = i+2;
}
if (is_range)
{
break_id_t start_bp_id;
break_id_t end_bp_id;
break_id_t start_loc_id;
break_id_t end_loc_id;
BreakpointID::ParseCanonicalReference (range_start.c_str(), &start_bp_id, &start_loc_id);
BreakpointID::ParseCanonicalReference (range_end, &end_bp_id, &end_loc_id);
if ((start_bp_id == LLDB_INVALID_BREAK_ID)
|| (! target->GetBreakpointByID (start_bp_id)))
{
new_args.Clear();
result.AppendErrorWithFormat ("'%s' is not a valid breakpoint ID.\n", range_start.c_str());
result.SetStatus (eReturnStatusFailed);
return;
}
if ((end_bp_id == LLDB_INVALID_BREAK_ID)
|| (! target->GetBreakpointByID (end_bp_id)))
{
new_args.Clear();
result.AppendErrorWithFormat ("'%s' is not a valid breakpoint ID.\n", range_end);
result.SetStatus (eReturnStatusFailed);
return;
}
// We have valid range starting & ending breakpoint IDs. Go through all the breakpoints in the
// target and find all the breakpoints that fit into this range, and add them to new_args.
const BreakpointList& breakpoints = target->GetBreakpointList();
const size_t num_breakpoints = breakpoints.GetSize();
for (size_t j = 0; j < num_breakpoints; ++j)
{
Breakpoint *breakpoint = breakpoints.GetBreakpointByIndex (j).get();
break_id_t cur_bp_id = breakpoint->GetID();
if ((cur_bp_id < start_bp_id) || (cur_bp_id > end_bp_id))
continue;
const size_t num_locations = breakpoint->GetNumLocations();
if ((cur_bp_id == start_bp_id) && (start_loc_id != LLDB_INVALID_BREAK_ID))
{
for (size_t k = 0; k < num_locations; ++k)
{
BreakpointLocation * bp_loc = breakpoint->GetLocationAtIndex(k).get();
if (bp_loc->GetID() >= start_loc_id)
{
StreamString canonical_id_str;
BreakpointID::GetCanonicalReference (&canonical_id_str, cur_bp_id, bp_loc->GetID());
new_args.AppendArgument (canonical_id_str.GetData());
}
}
}
else if ((cur_bp_id == end_bp_id) && (end_loc_id != LLDB_INVALID_BREAK_ID))
{
for (size_t k = 0; k < num_locations; ++k)
{
BreakpointLocation * bp_loc = breakpoint->GetLocationAtIndex(k).get();
if (bp_loc->GetID() <= end_loc_id)
{
StreamString canonical_id_str;
BreakpointID::GetCanonicalReference (&canonical_id_str, cur_bp_id, bp_loc->GetID());
new_args.AppendArgument (canonical_id_str.GetData());
}
}
}
else
{
StreamString canonical_id_str;
BreakpointID::GetCanonicalReference (&canonical_id_str, cur_bp_id, LLDB_INVALID_BREAK_ID);
new_args.AppendArgument (canonical_id_str.GetData());
}
}
}
else // else is_range was false
{
new_args.AppendArgument (current_arg);
}
}
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return;
}
int
CommandInterpreter::HandleCompletionMatches (Args &parsed_line,
int &cursor_index,
int &cursor_char_position,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches)
{
int num_command_matches = 0;
bool look_for_subcommand = false;
// For any of the command completions a unique match will be a complete word.
word_complete = true;
if (cursor_index == -1)
{
// We got nothing on the command line, so return the list of commands
bool include_aliases = true;
num_command_matches = GetCommandNamesMatchingPartialString ("", include_aliases, matches);
}
else if (cursor_index == 0)
{
// The cursor is in the first argument, so just do a lookup in the dictionary.
CommandObject *cmd_obj = GetCommandObject (parsed_line.GetArgumentAtIndex(0), &matches);
num_command_matches = matches.GetSize();
if (num_command_matches == 1
&& cmd_obj && cmd_obj->IsMultiwordObject()
&& matches.GetStringAtIndex(0) != NULL
&& strcmp (parsed_line.GetArgumentAtIndex(0), matches.GetStringAtIndex(0)) == 0)
{
look_for_subcommand = true;
num_command_matches = 0;
matches.DeleteStringAtIndex(0);
parsed_line.AppendArgument ("");
cursor_index++;
cursor_char_position = 0;
}
}
if (cursor_index > 0 || look_for_subcommand)
{
// We are completing further on into a commands arguments, so find the command and tell it
// to complete the command.
// First see if there is a matching initial command:
CommandObject *command_object = GetCommandObject (parsed_line.GetArgumentAtIndex(0));
if (command_object == NULL)
{
return 0;
}
else
{
parsed_line.Shift();
cursor_index--;
num_command_matches = command_object->HandleCompletion (*this,
parsed_line,
cursor_index,
cursor_char_position,
match_start_point,
max_return_elements,
word_complete,
matches);
}
}
return num_command_matches;
}
int
CommandObject::HandleCompletion
(
Args &input,
int &cursor_index,
int &cursor_char_position,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches
)
{
// Default implmentation of WantsCompletion() is !WantsRawCommandString().
// Subclasses who want raw command string but desire, for example,
// argument completion should override WantsCompletion() to return true,
// instead.
if (WantsRawCommandString() && !WantsCompletion())
{
// FIXME: Abstract telling the completion to insert the completion character.
matches.Clear();
return -1;
}
else
{
// Can we do anything generic with the options?
Options *cur_options = GetOptions();
CommandReturnObject result;
OptionElementVector opt_element_vector;
if (cur_options != NULL)
{
// Re-insert the dummy command name string which will have been
// stripped off:
input.Unshift ("dummy-string");
cursor_index++;
// I stick an element on the end of the input, because if the last element is
// option that requires an argument, getopt_long will freak out.
input.AppendArgument ("<FAKE-VALUE>");
input.ParseArgsForCompletion (*cur_options, opt_element_vector, cursor_index);
input.DeleteArgumentAtIndex(input.GetArgumentCount() - 1);
bool handled_by_options;
handled_by_options = cur_options->HandleOptionCompletion (input,
opt_element_vector,
cursor_index,
cursor_char_position,
match_start_point,
max_return_elements,
word_complete,
matches);
if (handled_by_options)
return matches.GetSize();
}
// If we got here, the last word is not an option or an option argument.
return HandleArgumentCompletion (input,
cursor_index,
cursor_char_position,
opt_element_vector,
match_start_point,
max_return_elements,
word_complete,
matches);
}
}