238 lines
6.7 KiB

//==============================================================================
//
// Copyright (c) 2015-
// Authors:
// * Joachim Klein <klein@tcs.inf.tu-dresden.de>
// * David Mueller <david.mueller@tcs.inf.tu-dresden.de>
//
//------------------------------------------------------------------------------
//
// This file is part of the cpphoafparser library,
// http://automata.tools/hoa/cpphoafparser/
//
// The cpphoafparser library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// The cpphoafparser library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//==============================================================================
#ifndef CPPHOAFPARSER_HOACONSUMERPRINT_H
#define CPPHOAFPARSER_HOACONSUMERPRINT_H
#include <iostream>
#include "cpphoafparser/consumer/hoa_consumer.hh"
#include "cpphoafparser/parser/hoa_parser_helper.hh"
namespace cpphoafparser {
/**
* A HOAConsumer implementation that provides printing functionality.
*
* Outputs the HOA automaton corresponding to the function calls on the given output stream.
* Can be used as a "pretty-printer", as it will output the various syntax elements with
* a consistent layout of white-space and line breaks.
*/
class HOAConsumerPrint : public HOAConsumer {
public:
/** Constructor, providing a reference to the output stream */
HOAConsumerPrint(std::ostream& out) : out(out) {}
virtual bool parserResolvesAliases() override {
return false;
}
virtual void notifyHeaderStart(const std::string& version) override {
out << "HOA: " << version << std::endl;
}
virtual void setNumberOfStates(unsigned int numberOfStates) override {
out << "States: " << numberOfStates << std::endl;
}
virtual void addStartStates(const int_list& stateConjunction) override {
out << "Start: ";
bool first = true;
for (unsigned int state : stateConjunction) {
if (!first) out << " & ";
first=false;
out << state;
}
out << std::endl;
}
virtual void addAlias(const std::string& name, label_expr::ptr labelExpr) override {
out << "Alias: @" << name << " " << *labelExpr << std::endl;
}
virtual void setAPs(const std::vector<std::string>& aps) override {
out << "AP: " << aps.size();
for (const std::string& ap : aps) {
out << " ";
HOAParserHelper::print_quoted(out, ap);
}
out << std::endl;
}
virtual void setAcceptanceCondition(unsigned int numberOfSets, acceptance_expr::ptr accExpr) override {
out << "Acceptance: " << numberOfSets << " " << *accExpr << std::endl;
}
virtual void provideAcceptanceName(const std::string& name, const std::vector<IntOrString>& extraInfo) override {
out << "acc-name: " << name;
for (const IntOrString& extra : extraInfo) {
out << " " << extra;
}
out << std::endl;
}
virtual void setName(const std::string& name) override {
out << "name: ";
HOAParserHelper::print_quoted(out, name);
out << std::endl;
}
virtual void setTool(const std::string& name, std::shared_ptr<std::string> version) override {
out << "tool: ";
HOAParserHelper::print_quoted(out, name);
if (version) {
out << " ";
HOAParserHelper::print_quoted(out, *version);
}
out << std::endl;
}
virtual void addProperties(const std::vector<std::string>& properties) override {
out << "properties:";
for (const std::string& property : properties) {
out << " " << property;
}
out << std::endl;
}
virtual void addMiscHeader(const std::string& name, const std::vector<IntOrString>& content) override {
out << name << ":";
for (const IntOrString& extra : content) {
out << " " << extra;
}
out << std::endl;
}
virtual void notifyBodyStart() override {
out << "--BODY--" << std::endl;
}
virtual void addState(unsigned int id,
std::shared_ptr<std::string> info,
label_expr::ptr labelExpr,
std::shared_ptr<int_list> accSignature) override {
out << "State: ";
if (labelExpr) {
out << "[" << *labelExpr << "] ";
}
out << id;
if (info) {
out << " ";
HOAParserHelper::print_quoted(out, *info);
}
if (accSignature) {
out << " {";
bool first = true;
for (unsigned int acc : *accSignature) {
if (!first) out << " ";
first = false;
out << acc;
}
out << "}";
}
out << std::endl;
}
virtual void addEdgeImplicit(unsigned int stateId,
const int_list& conjSuccessors,
std::shared_ptr<int_list> accSignature) override {
bool first = true;
for (unsigned int succ : conjSuccessors) {
if (!first) out << "&";
first = false;
out << succ;
}
if (accSignature) {
out << " {";
first = true;
for (unsigned int acc : *accSignature) {
if (!first) out << " ";
first = false;
out << acc;
}
out << "}";
}
out << std::endl;
}
virtual void addEdgeWithLabel(unsigned int stateId,
label_expr::ptr labelExpr,
const int_list& conjSuccessors,
std::shared_ptr<int_list> accSignature) override {
if (labelExpr) {
out << "[" << *labelExpr << "] ";
}
bool first = true;
for (unsigned int succ : conjSuccessors) {
if (!first) out << "&";
first = false;
out << succ;
}
if (accSignature) {
out << " {";
first = true;
for (unsigned int acc : *accSignature) {
if (!first) out << " ";
first = false;
out << acc;
}
out << "}";
}
out << std::endl;
}
virtual void notifyEndOfState(unsigned int stateId) override {
// nothing to do
}
virtual void notifyEnd() override {
out << "--END--" << std::endl;
out.flush();
}
virtual void notifyAbort() override {
out << "--ABORT--" << std::endl;
out.flush();
}
virtual void notifyWarning(const std::string& warning) override {
std::cerr << "Warning: " << warning << std::endl;
}
private:
/** Reference to the output stream */
std::ostream& out;
};
}
#endif