ResourceSection.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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    copy of this software and associated documentation files (the "Software"),
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/**
 * @file ResourceSection.cc
 *
 * Definition of ResourceSection class.
 *
 * @author Mikael Lepistö 2003 (tmlepist-no.spam-cs.tut.fi)
 *
 * @note rating: yellow
 */
 
#include "ResourceSection.hh"
 
namespace TPEF {
 
ResourceSection ResourceSection::proto_(true);
 
/**
 * Constructor.
 *
 * @param init True if instance should register itself to base class.
 */
ResourceSection::ResourceSection(bool init) : Section() {
    if (init) {
        Section::registerSection(this);
    }
 
    unsetFlagNoBits();
    unsetFlagVLen();
    setStartingAddress(0);
}
 
/**
 * Destructor.
 */
ResourceSection::~ResourceSection() {
}
 
/**
 * Returns section's type.
 *
 * @return Type of section.
 */
Section::SectionType
ResourceSection::type() const {
    return ST_MR;
}
 
/**
 * Creates an instance of section.
 *
 * @return Newly created section.
 */
Section*
ResourceSection::clone() const {
    return new ResourceSection(false);
}
 
/**
 * Returns machine resource by id and type.
 *
 * @todo Instance not found exception. After all exceptions are implemented.
 *
 * @param aType Type of requested resource.
 * @param anId Id of resource to find.
 * @return Matching resource.
 */
ResourceElement&
ResourceSection::findResource(
    ResourceElement::ResourceType aType, HalfWord anId) const {
 
    for (Word i = 0; i < elementCount(); i++) {
        ResourceElement *elem = static_cast<ResourceElement*>(element(i));
 
        if (elem->type() == aType && elem->id() == anId) {
            return *elem;
        }
    }
 
    // just to remind about exception to throw.
    std::cerr << "Can't find resource type: " << aType
              << "\tid: " << anId << std::endl;
 
    assert(false);
 
    // added throw clause to stop compiler from complaining --Pekka
    throw new int;
}
 
/**
 * Checks if queried resource if found from section.
 *
 * @param aType Type of requested resource.
 * @param anId Id of resource to find.
 * @return True if resource was found.
 */
bool
ResourceSection::hasResource(
    ResourceElement::ResourceType aType, HalfWord anId) const {
 
    for (Word i = 0; i < elementCount(); i++) {
        ResourceElement *elem = static_cast<ResourceElement*>(element(i));
 
        if (elem->type() == aType && elem->id() == anId) {
            return true;
        }
    }
 
    return false;
}
 
}