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/********************* */
/*! \file managed_ostreams.cpp
** \verbatim
** Top contributors (to current version):
** Tim King, Aina Niemetz
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
** in the top-level source directory and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Wrappers to handle memory management of ostreams.
**
** This file contains wrappers to handle special cases of managing memory
** related to ostreams.
**/
#include "smt/managed_ostreams.h"
#include <ostream>
#include "base/check.h"
#include "options/open_ostream.h"
#include "options/smt_options.h"
#include "smt/update_ostream.h"
namespace CVC4 {
ManagedOstream::ManagedOstream() : d_managed(NULL) {}
ManagedOstream::~ManagedOstream() {
manage(NULL);
Assert(d_managed == NULL);
}
void ManagedOstream::set(const std::string& filename) {
std::pair<bool, std::ostream*> pair = open(filename);
initialize(pair.second);
manage(pair.first ? pair.second : NULL);
}
std::pair<bool, std::ostream*> ManagedOstream::open(const std::string& filename)
const {
OstreamOpener opener(getName());
addSpecialCases(&opener);
return opener.open(filename);
}
void ManagedOstream::manage(std::ostream* new_managed_value) {
if(d_managed == new_managed_value){
// This is a no-op.
} else {
Assert(d_managed != new_managed_value);
std::ostream* old_managed_value = d_managed;
d_managed = new_managed_value;
if(old_managed_value != NULL){
delete old_managed_value;
}
}
}
ManagedDumpOStream::~ManagedDumpOStream() {
if(Dump.getStreamPointer() == getManagedOstream()) {
Dump.setStream(&null_os);
}
}
std::string ManagedDumpOStream::defaultSource() const{
return options::dumpToFileName();
}
void ManagedDumpOStream::initialize(std::ostream* outStream) {
#ifdef CVC4_DUMPING
DumpOstreamUpdate dumpGetStream;
dumpGetStream.apply(outStream);
#else /* CVC4_DUMPING */
throw OptionException(
"The dumping feature was disabled in this build of CVC4.");
#endif /* CVC4_DUMPING */
}
void ManagedDumpOStream::addSpecialCases(OstreamOpener* opener) const {
opener->addSpecialCase("-", &DumpOutC::dump_cout);
}
ManagedRegularOutputChannel::~ManagedRegularOutputChannel() {
// Set all ostream that may still be using the old value of this channel
// to null_os. Consult RegularOutputChannelListener for the list of
// channels.
if(options::err() == getManagedOstream()){
options::err.set(&null_os);
}
}
std::string ManagedRegularOutputChannel::defaultSource() const {
return options::regularChannelName();
}
void ManagedRegularOutputChannel::initialize(std::ostream* outStream) {
OptionsErrOstreamUpdate optionsErrOstreamUpdate;
optionsErrOstreamUpdate.apply(outStream);
}
void ManagedRegularOutputChannel::addSpecialCases(OstreamOpener* opener)
const {
opener->addSpecialCase("stdout", &std::cout);
opener->addSpecialCase("stderr", &std::cerr);
}
ManagedDiagnosticOutputChannel::~ManagedDiagnosticOutputChannel() {
// Set all ostreams that may still be using the old value of this channel
// to null_os. Consult DiagnosticOutputChannelListener for the list of
// channels.
if(options::err() == getManagedOstream()){
options::err.set(&null_os);
}
if(Debug.getStreamPointer() == getManagedOstream()) {
Debug.setStream(&null_os);
}
if(Warning.getStreamPointer() == getManagedOstream()){
Warning.setStream(&null_os);
}
if (CVC4Message.getStreamPointer() == getManagedOstream())
{
CVC4Message.setStream(&null_os);
}
if(Notice.getStreamPointer() == getManagedOstream()){
Notice.setStream(&null_os);
}
if(Chat.getStreamPointer() == getManagedOstream()){
Chat.setStream(&null_os);
}
if(Trace.getStreamPointer() == getManagedOstream()){
Trace.setStream(&null_os);
}
}
std::string ManagedDiagnosticOutputChannel::defaultSource() const {
return options::diagnosticChannelName();
}
void ManagedDiagnosticOutputChannel::initialize(std::ostream* outStream) {
DebugOstreamUpdate debugOstreamUpdate;
debugOstreamUpdate.apply(outStream);
WarningOstreamUpdate warningOstreamUpdate;
warningOstreamUpdate.apply(outStream);
MessageOstreamUpdate messageOstreamUpdate;
messageOstreamUpdate.apply(outStream);
NoticeOstreamUpdate noticeOstreamUpdate;
noticeOstreamUpdate.apply(outStream);
ChatOstreamUpdate chatOstreamUpdate;
chatOstreamUpdate.apply(outStream);
TraceOstreamUpdate traceOstreamUpdate;
traceOstreamUpdate.apply(outStream);
OptionsErrOstreamUpdate optionsErrOstreamUpdate;
optionsErrOstreamUpdate.apply(outStream);
}
void ManagedDiagnosticOutputChannel::addSpecialCases(OstreamOpener* opener)
const {
opener->addSpecialCase("stdout", &std::cout);
opener->addSpecialCase("stderr", &std::cerr);
}
}/* CVC4 namespace */
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