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//===-- CommandReturnObject.h -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_CommandReturnObject_h_
#define liblldb_CommandReturnObject_h_
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/STLUtils.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Utility/StreamString.h"
#include "lldb/Utility/StreamTee.h"
#include "lldb/lldb-private.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/FormatVariadic.h"
#include <memory>
namespace lldb_private {
class CommandReturnObject {
public:
CommandReturnObject();
~CommandReturnObject();
llvm::StringRef GetOutputData() {
lldb::StreamSP stream_sp(m_out_stream.GetStreamAtIndex(eStreamStringIndex));
if (stream_sp)
return static_pointer_cast<StreamString>(stream_sp)->GetString();
return llvm::StringRef();
}
llvm::StringRef GetErrorData() {
lldb::StreamSP stream_sp(m_err_stream.GetStreamAtIndex(eStreamStringIndex));
if (stream_sp)
return static_pointer_cast<StreamString>(stream_sp)->GetString();
return llvm::StringRef();
}
Stream &GetOutputStream() {
// Make sure we at least have our normal string stream output stream
lldb::StreamSP stream_sp(m_out_stream.GetStreamAtIndex(eStreamStringIndex));
if (!stream_sp) {
stream_sp.reset(new StreamString());
m_out_stream.SetStreamAtIndex(eStreamStringIndex, stream_sp);
}
return m_out_stream;
}
Stream &GetErrorStream() {
// Make sure we at least have our normal string stream output stream
lldb::StreamSP stream_sp(m_err_stream.GetStreamAtIndex(eStreamStringIndex));
if (!stream_sp) {
stream_sp.reset(new StreamString());
m_err_stream.SetStreamAtIndex(eStreamStringIndex, stream_sp);
}
return m_err_stream;
}
void SetImmediateOutputFile(FILE *fh, bool transfer_fh_ownership = false) {
lldb::StreamSP stream_sp(new StreamFile(fh, transfer_fh_ownership));
m_out_stream.SetStreamAtIndex(eImmediateStreamIndex, stream_sp);
}
void SetImmediateErrorFile(FILE *fh, bool transfer_fh_ownership = false) {
lldb::StreamSP stream_sp(new StreamFile(fh, transfer_fh_ownership));
m_err_stream.SetStreamAtIndex(eImmediateStreamIndex, stream_sp);
}
void SetImmediateOutputStream(const lldb::StreamSP &stream_sp) {
m_out_stream.SetStreamAtIndex(eImmediateStreamIndex, stream_sp);
}
void SetImmediateErrorStream(const lldb::StreamSP &stream_sp) {
m_err_stream.SetStreamAtIndex(eImmediateStreamIndex, stream_sp);
}
lldb::StreamSP GetImmediateOutputStream() {
return m_out_stream.GetStreamAtIndex(eImmediateStreamIndex);
}
lldb::StreamSP GetImmediateErrorStream() {
return m_err_stream.GetStreamAtIndex(eImmediateStreamIndex);
}
void Clear();
void AppendMessage(llvm::StringRef in_string);
void AppendMessageWithFormat(const char *format, ...)
__attribute__((format(printf, 2, 3)));
void AppendRawWarning(llvm::StringRef in_string);
void AppendWarning(llvm::StringRef in_string);
void AppendWarningWithFormat(const char *format, ...)
__attribute__((format(printf, 2, 3)));
void AppendError(llvm::StringRef in_string);
void AppendRawError(llvm::StringRef in_string);
void AppendErrorWithFormat(const char *format, ...)
__attribute__((format(printf, 2, 3)));
template <typename... Args>
void AppendMessageWithFormatv(const char *format, Args &&... args) {
AppendMessage(llvm::formatv(format, std::forward<Args>(args)...).str());
}
template <typename... Args>
void AppendWarningWithFormatv(const char *format, Args &&... args) {
AppendWarning(llvm::formatv(format, std::forward<Args>(args)...).str());
}
template <typename... Args>
void AppendErrorWithFormatv(const char *format, Args &&... args) {
AppendError(llvm::formatv(format, std::forward<Args>(args)...).str());
}
void SetError(const Error &error, const char *fallback_error_cstr = nullptr);
void SetError(llvm::StringRef error_cstr);
lldb::ReturnStatus GetStatus();
void SetStatus(lldb::ReturnStatus status);
bool Succeeded();
bool HasResult();
bool GetDidChangeProcessState();
void SetDidChangeProcessState(bool b);
bool GetInteractive() const;
void SetInteractive(bool b);
bool GetAbnormalStopWasExpected() const {
return m_abnormal_stop_was_expected;
}
void SetAbnormalStopWasExpected(bool signal_was_expected) {
m_abnormal_stop_was_expected = signal_was_expected;
}
private:
enum { eStreamStringIndex = 0, eImmediateStreamIndex = 1 };
StreamTee m_out_stream;
StreamTee m_err_stream;
lldb::ReturnStatus m_status;
bool m_did_change_process_state;
bool m_interactive; // If true, then the input handle from the debugger will
// be hooked up
bool m_abnormal_stop_was_expected; // This is to support
// eHandleCommandFlagStopOnCrash vrs.
// attach.
// The attach command often ends up with the process stopped due to a signal.
// Normally that would mean stop on crash should halt batch execution, but we
// obviously don't want that for attach. Using this flag, the attach command
// (and anything else for which this is relevant) can say that the signal is
// expected, and batch command execution can continue.
};
} // namespace lldb_private
#endif // liblldb_CommandReturnObject_h_
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