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//===-- CommandReturnObject.cpp ---------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
static void DumpStringToStreamWithNewline(Stream &strm, const std::string &s,
bool add_newline_if_empty) {
bool add_newline = false;
if (s.empty()) {
add_newline = add_newline_if_empty;
} else {
// We already checked for empty above, now make sure there is a newline in
// the error, and if there isn't one, add one.
strm.Write(s.c_str(), s.size());
const char last_char = *s.rbegin();
add_newline = last_char != '\n' && last_char != '\r';
}
if (add_newline)
strm.EOL();
}
CommandReturnObject::CommandReturnObject()
: m_out_stream(), m_err_stream(), m_status(eReturnStatusStarted),
m_did_change_process_state(false), m_interactive(true),
m_abnormal_stop_was_expected(false) {}
CommandReturnObject::~CommandReturnObject() {}
void CommandReturnObject::AppendErrorWithFormat(const char *format, ...) {
if (!format)
return;
va_list args;
va_start(args, format);
StreamString sstrm;
sstrm.PrintfVarArg(format, args);
va_end(args);
const std::string &s = sstrm.GetString();
if (!s.empty()) {
Stream &error_strm = GetErrorStream();
error_strm.PutCString("error: ");
DumpStringToStreamWithNewline(error_strm, s, false);
}
}
void CommandReturnObject::AppendMessageWithFormat(const char *format, ...) {
if (!format)
return;
va_list args;
va_start(args, format);
StreamString sstrm;
sstrm.PrintfVarArg(format, args);
va_end(args);
GetOutputStream() << sstrm.GetString();
}
void CommandReturnObject::AppendWarningWithFormat(const char *format, ...) {
if (!format)
return;
va_list args;
va_start(args, format);
StreamString sstrm;
sstrm.PrintfVarArg(format, args);
va_end(args);
GetErrorStream() << "warning: " << sstrm.GetString();
}
void CommandReturnObject::AppendMessage(llvm::StringRef in_string) {
if (in_string.empty())
return;
GetOutputStream() << in_string << "\n";
}
void CommandReturnObject::AppendWarning(llvm::StringRef in_string) {
if (in_string.empty())
return;
GetErrorStream() << "warning: " << in_string << "\n";
}
// Similar to AppendWarning, but do not prepend 'warning: ' to message, and
// don't append "\n" to the end of it.
void CommandReturnObject::AppendRawWarning(llvm::StringRef in_string) {
if (in_string.empty())
return;
GetErrorStream() << in_string;
}
void CommandReturnObject::AppendError(llvm::StringRef in_string) {
if (in_string.empty())
return;
GetErrorStream() << "error: " << in_string << "\n";
}
void CommandReturnObject::SetError(const Status &error,
const char *fallback_error_cstr) {
const char *error_cstr = error.AsCString();
if (error_cstr == nullptr)
error_cstr = fallback_error_cstr;
SetError(error_cstr);
}
void CommandReturnObject::SetError(llvm::StringRef error_str) {
if (error_str.empty())
return;
AppendError(error_str);
SetStatus(eReturnStatusFailed);
}
// Similar to AppendError, but do not prepend 'Status: ' to message, and don't
// append "\n" to the end of it.
void CommandReturnObject::AppendRawError(llvm::StringRef in_string) {
if (in_string.empty())
return;
GetErrorStream() << in_string;
}
void CommandReturnObject::SetStatus(ReturnStatus status) { m_status = status; }
ReturnStatus CommandReturnObject::GetStatus() { return m_status; }
bool CommandReturnObject::Succeeded() {
return m_status <= eReturnStatusSuccessContinuingResult;
}
bool CommandReturnObject::HasResult() {
return (m_status == eReturnStatusSuccessFinishResult ||
m_status == eReturnStatusSuccessContinuingResult);
}
void CommandReturnObject::Clear() {
lldb::StreamSP stream_sp;
stream_sp = m_out_stream.GetStreamAtIndex(eStreamStringIndex);
if (stream_sp)
static_cast<StreamString *>(stream_sp.get())->Clear();
stream_sp = m_err_stream.GetStreamAtIndex(eStreamStringIndex);
if (stream_sp)
static_cast<StreamString *>(stream_sp.get())->Clear();
m_status = eReturnStatusStarted;
m_did_change_process_state = false;
m_interactive = true;
}
bool CommandReturnObject::GetDidChangeProcessState() {
return m_did_change_process_state;
}
void CommandReturnObject::SetDidChangeProcessState(bool b) {
m_did_change_process_state = b;
}
bool CommandReturnObject::GetInteractive() const { return m_interactive; }
void CommandReturnObject::SetInteractive(bool b) { m_interactive = b; }
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