OperationTriggeredFormat.cc

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/*
    Copyright (c) 2002-2021 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file OperationTriggeredFormat.cc
 *
 * Implementation of OperationTriggeredFormat class.
 *
 * @author Kari Hepola 2022 (kari.hepola@tuni.fi)
 * @note rating: red
 */
 
#include <stdio.h>
 
#include "OperationTriggeredFormat.hh"
#include "OperationTriggeredOperand.hh"
#include "MOMTextGenerator.hh"
#include "ObjectState.hh"
#include "Machine.hh"
 
namespace TTAMachine {
 
const std::string OperationTriggeredFormat::OSNAME_FORMAT = "ota-format";
 
const std::string OperationTriggeredFormat::OSKEY_OPERATION = "ota-operation";
 
/**
 * The constructor.
 *
 * Registers the operation code encoding to the parent
 * binary encoding automatically.
 *
 * @param parent The parent OperationTriggeredFormat.
 */
 
OperationTriggeredFormat::OperationTriggeredFormat(
    const std::string& name, Machine& owner)
    : Component(name) {
    setMachine(owner);
}
 
/**
 * The constructor
 *
 * Loads the state of the operation code encoding from
 * the given ObjectState tree
 *
 * @param state The ObjectState tree
 * @param parent The parent binary encoding map
 * @exception ObjectStateLoadingException If an error occurs while loading
              the state.
 */
 
OperationTriggeredFormat::OperationTriggeredFormat(
    const ObjectState* state, Machine& owner)
    : Component(state) {
    const std::string procName =
        "OperationTriggeredFormat::OperationTriggeredFormat";
    try {
        setMachine(owner);
    } catch (const ComponentAlreadyExists&) {
        MOMTextGenerator textGenerator;
        boost::format errorMsg =
            textGenerator.text(MOMTextGenerator::TXT_IT_EXISTS_BY_NAME);
        errorMsg % name();
        throw ObjectStateLoadingException(
            __FILE__, __LINE__, procName, errorMsg.str());
    }
    try {
        loadState(state);
    } catch (const ObjectStateLoadingException&) {
        unsetMachine();
        throw;
    }
}
 
/**
 * Destructor.
 */
OperationTriggeredFormat::~OperationTriggeredFormat() {
    for (unsigned int i = 0; i < operands_.size(); i++) {
        delete operands_.at(i);
    }
    unsetMachine();
}
 
void
OperationTriggeredFormat::addOperation(const std::string& op) {
    operations_.push_back(op);
}
 
void
OperationTriggeredFormat::removeOperation(const std::string& op) {
    for (unsigned int i = 0; i < operations_.size(); i++) {
        if (operations_.at(i) == op) {
            operations_.erase(operations_.begin() + i);
        }
    }
}
 
int
OperationTriggeredFormat::operationCount() const {
    return operations_.size();
}
 
std::string
OperationTriggeredFormat::operationAtIndex(int index) const {
    if (index > operationCount() - 1) {
        const std::string msg = "Operation index out of range.";
        throw OutOfRange(__FILE__, __LINE__, __func__, msg);
    }
    return operations_.at(index);
}
 
bool
OperationTriggeredFormat::hasOperation(const std::string& opName) const {
    for (const std::string& op : operations_) {
        if (op == opName) {
            return true;
        }
    }
    return false;
}
 
std::vector<OperationTriggeredOperand*>
OperationTriggeredFormat::operands() const {
    return operands_;
}
 
void
OperationTriggeredFormat::addOperand(OperationTriggeredOperand& op) {
    operands_.push_back(&op);
}
 
/**
 * Adds the OperationTriggeredFormat to the given machine.
 *
 * @param machine Machine to which the OperationTriggeredFormat Format is
 * added.
 * @exception ComponentAlreadyExists If there already is another
 * OperationTriggeredFormat Format by the same name or another empty
 * OperationTriggeredFormat Format in the given machine.
 */
void
OperationTriggeredFormat::setMachine(Machine& machine) {
    machine.addOperationTriggeredFormat(*this);
    internalSetMachine(machine);
}
 
/**
 * Removes the OperationTriggeredFormat Format from its machine.
 *
 * The OperationTriggeredFormat Format is also deleted because it cannot be
 * alone. It must be registered to a machine.
 */
void
OperationTriggeredFormat::unsetMachine() {
    Machine* mach = machine();
    assert(mach != NULL);
    internalUnsetMachine();
    mach->deleteOperationTriggeredFormat(*this);
}
 
void
OperationTriggeredFormat::loadState(const ObjectState* state) {
    operations_.clear();
    operands_.clear();
    const std::string procName = "OperationTriggeredOperand::loadState";
 
    ObjectState* newState = new ObjectState(*state);
 
    if (newState->name() != OSNAME_FORMAT) {
        throw ObjectStateLoadingException(__FILE__, __LINE__, procName);
    }
    Component::loadState(newState);
    try {
        for (int i = 0; i < newState->childCount(); i++) {
            ObjectState* child = newState->child(i);
            if (child->name() == OperationTriggeredOperand::OSNAME_OPERAND) {
                new OperationTriggeredOperand(child, *this);
            } else if (
                child->name() == OperationTriggeredFormat::OSKEY_OPERATION) {
                operations_.push_back(child->stringValue());
            }
        }
    } catch (const Exception& exception) {
        throw ObjectStateLoadingException(
            __FILE__, __LINE__, procName, exception.errorMessage());
    }
    delete newState;
}
 
/**
 * Saves the state of the operation code encoding
 * to an ObjectState tree.
 *
 * @return The newly created ObjectState tree.
 */
 
ObjectState*
OperationTriggeredFormat::saveState() const {
    ObjectState* state = Component::saveState();
    state->setName(OSNAME_FORMAT);
    for (unsigned int i = 0; i < operands_.size(); i++) {
        ObjectState* operandObject = operands_.at(i)->saveState();
        state->addChild(operandObject);
    }
    for (unsigned int i = 0; i < operations_.size(); i++) {
        ObjectState* operationObject = new ObjectState(OSKEY_OPERATION);
        operationObject->setValue(operations_.at(i));
        state->addChild(operationObject);
    }
 
    return state;
}
}  // namespace TTAMachine