ControlDependenceEdge.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
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/**
 * @file ControlDependenceEdge.cc
 *
 * Prototype of graph-based program representation: implementation of graph
 * control dependence edge.
 *
 * @author Andrea Cilio 2005 (cilio-no.spam-cs.tut.fi)
 * @author Vladimir Guzma 2006 (vladimir.guzma-no.spam-tut.fi)
 * @note rating: red
 */
 
#include "ControlDependenceEdge.hh"
 
ControlDependenceEdge::~ControlDependenceEdge() {}
 
/**
 * Returns a predicate of edge as string.
 * @return The value of edge - true, false, neutral
 */
TCEString
ControlDependenceEdge::toString() const {
    TCEString label = "";
    if (isTrueEdge()) {
        label += "True";
    }
    if (isFalseEdge()) {
        label += "False";
    }
    if (isLoopCloseEdge()) {
        label += "Close";
    }
    return label;
}
 
/**
 * Inverts the predicate of the edge
 * @todo this should be handled better, after the ownership of CDG is moved
 * into the PDG or so
 */
void
ControlDependenceEdge::invertEdgePredicate(){
    if (isNormalEdge()) {
        return;
    }
    if (isTrueEdge()) {
        edgeType_ = CDEP_EDGE_FALSE;
    } else {
        edgeType_ = CDEP_EDGE_TRUE;
    }
}