sigToGraph.cpp File Reference

#include <stdio.h>
#include <set>
#include <vector>
#include <iostream>
#include <sstream>
#include <string>
#include "signals.hh"
#include "sigtype.hh"
#include "sigtyperules.hh"
#include "xtended.hh"
#include "sigToGraph.hh"

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Functions
static void	recdraw (Tree sig, set< Tree > &drawn, ofstream &fout)
	Draw recursively a signal. More...
static string	nodeattr (Type t)
	Convert a signal type into node attributes. More...
static string	edgeattr (Type t)
	Convert a signal type into edge attributes. More...
static string	sigLabel (Tree sig)
	return the label of a signal as a string More...
void	sigToGraph (Tree L, ofstream &fout)
	Draw a list of signals as a directed graph using graphviz's dot language. More...

Variables
static const char *	binopname []
	translate signal binary operations into strings More...

Function Documentation

static string edgeattr ( Type  t )

static

Convert a signal type into edge attributes.

Definition at line 131 of file sigToGraph.cpp.

References kInt, kSamp, and kVect.

Referenced by nodeattr(), recdraw(), and sigToGraph().

{
    string s;

    // nature
    if (t->nature()==kInt) {
        s += " color=\"blue\"";
    } else {
        s += " color=\"red\"";
    }

    // vectorability
    if (t->vectorability()==kVect && t->variability()==kSamp) {
        s += " style=\"bold\"";
    }
    return s;
}

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static string nodeattr ( Type  t )

static

Convert a signal type into node attributes.

Definition at line 153 of file sigToGraph.cpp.

References edgeattr(), kBlock, kKonst, and kSamp.

Referenced by recdraw().

{
    string s = edgeattr(t);

    // variability
    if (t->variability()==kKonst) {
        s += " shape=\"box\"";
    } else if (t->variability()==kBlock) {
        s += " shape=\"hexagon\"";
    } else if (t->variability()==kSamp) {
        s += " shape=\"ellipse\"";
    }

    return s;
}

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static void recdraw ( Tree  sig, set< Tree > &  drawn, ofstream &  fout  )

static

Draw recursively a signal.

Definition at line 76 of file sigToGraph.cpp.

References edgeattr(), getCertifiedSigType(), getSubSignals(), hd(), isList(), isRec(), nodeattr(), sigLabel(), and tl().

Referenced by sigToGraph().

{
    //cerr << ++TABBER << "ENTER REC DRAW OF " << sig << "$" << *sig << endl;
    vector<Tree>    subsig;
    int             n;

    if (drawn.count(sig) == 0) {
        drawn.insert(sig);
        if (isList(sig)) {
            do {
                recdraw(hd(sig), drawn, fout);
                sig = tl(sig);
            } while (isList(sig));
        } else {
            // draw the node
            fout    << 'S' << sig << "[label=\"" << sigLabel(sig) << "\""
                    << nodeattr(getCertifiedSigType(sig)) << "];"
                    << endl;

            // draw the subsignals
            n = getSubSignals(sig, subsig);
            if (n > 0) {
                if (n==1 && isList(subsig[0])) {
                    Tree id, body;
                    assert(isRec(sig,id,body));
                    if (!isRec(sig,id,body)) {
                    }
                    // special recursion case, recreate a vector of subsignals instead of the
                    // list provided by getSubSignal
                    Tree L = subsig[0];
                    subsig.clear();
                    n = 0;
                    do {
                        subsig.push_back(hd(L));
                        L = tl(L);
                        n += 1;
                    } while (isList(L));
                }

                for (int i=0; i<n; i++) {
                    recdraw(subsig[i], drawn, fout);
                    fout    << 'S' << subsig[i] << " -> " << 'S' << sig
                            << "[" << edgeattr(getCertifiedSigType(subsig[i])) << "];"
                            << endl;
                }
            }
        }
    }
    //cerr << --TABBER << "EXIT REC DRAW OF " << sig << endl;
}

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static string sigLabel ( Tree  sig )

static

return the label of a signal as a string

Definition at line 184 of file sigToGraph.cpp.

References binopname, getUserData(), isProj(), isRec(), isSigAttach(), isSigBinOp(), isSigButton(), isSigCheckbox(), isSigDelay1(), isSigFConst(), isSigFFun(), isSigFixDelay(), isSigFloatCast(), isSigFVar(), isSigGen(), isSigHBargraph(), isSigHSlider(), isSigInput(), isSigInt(), isSigIntCast(), isSigIota(), isSigNumEntry(), isSigOutput(), isSigPrefix(), isSigRDTbl(), isSigReal(), isSigSelect2(), isSigSelect3(), isSigTable(), isSigVBargraph(), isSigVSlider(), isSigWaveform(), isSigWRTbl(), xtended::name(), and name().

Referenced by recdraw().

{
    int         i;
    double      r;
    Tree        x, y, z, c, type, name, file, ff, largs, id, le, sel, var, label;

    xtended*    p = (xtended*) getUserData(sig);

    stringstream fout;

         if (p)                                     { fout << p->name(); }
    else if ( isSigInt(sig, &i) )                   { fout << i;    }
    else if ( isSigReal(sig, &r) )                  { fout << r;    }
    else if ( isSigWaveform(sig))                   { fout << "waveform";  }

    else if ( isSigInput(sig, &i) )                 { fout << "INPUT_" << i; }
    else if ( isSigOutput(sig, &i, x) )             { fout << "OUTPUT_" << i; }

    else if ( isSigDelay1(sig, x) )                 { fout << "mem";        }
    else if ( isSigFixDelay(sig, x, y) )            { fout << "@";          }
    else if ( isSigPrefix(sig, x, y) )              { fout << "prefix";     }
    else if ( isSigIota(sig, x) )                   { fout << "iota";       }
    else if ( isSigBinOp(sig, &i, x, y) )           { fout << binopname[i]; }
    else if ( isSigFFun(sig, ff, largs) )           { fout << "ffunction:" << *ff; }
    else if ( isSigFConst(sig, type, name, file) )  { fout << *name; }
    else if ( isSigFVar(sig, type, name, file) )    { fout << *name; }

    else if ( isSigTable(sig, id, x, y) )           { fout << "table:" << id;   }
    else if ( isSigWRTbl(sig, id, x, y, z) )        { fout << "write:" << id;   }
    else if ( isSigRDTbl(sig, x, y) )               { fout << "read";   }



    else if ( isSigSelect2(sig, sel, x, y) )        { fout << "select2"; }
    else if ( isSigSelect3(sig, sel, x, y, z) )     { fout << "select3"; }

    else if ( isSigGen(sig, x) )                    { fout << "generator"; }

    else if ( isProj(sig, &i, x) )                  { fout << "Proj" << i;  }
    else if ( isRec(sig, var, le) )                 { fout << "REC " << *var; }

    else if ( isSigIntCast(sig, x) )                { fout << "int"; }
    else if ( isSigFloatCast(sig, x) )              { fout << "float"; }
#if 0
    else if ( isSigButton(sig, label) )             { fout << "button \"" << *label << '"'; }
    else if ( isSigCheckbox(sig, label) )           { fout << "checkbox \"" << *label << '"'; }
    else if ( isSigVSlider(sig, label,c,x,y,z) )    { fout << "vslider \"" << *label << '"';  }
    else if ( isSigHSlider(sig, label,c,x,y,z) )    { fout << "hslider \"" << *label << '"';  }
    else if ( isSigNumEntry(sig, label,c,x,y,z) )   { fout << "nentry \"" << *label << '"';  }

    else if ( isSigVBargraph(sig, label,x,y,z) )    { fout << "vbargraph \"" << *label << '"';  }
    else if ( isSigHBargraph(sig, label,x,y,z) )    { fout << "hbargraph \"" << *label << '"';  }
#else
    else if ( isSigButton(sig, label) )             { fout << "button"; }
    else if ( isSigCheckbox(sig, label) )           { fout << "checkbox"; }
    else if ( isSigVSlider(sig, label,c,x,y,z) )    { fout << "vslider";  }
    else if ( isSigHSlider(sig, label,c,x,y,z) )    { fout << "hslider";  }
    else if ( isSigNumEntry(sig, label,c,x,y,z) )   { fout << "nentry";  }

    else if ( isSigVBargraph(sig, label,x,y,z) )    { fout << "vbargraph";  }
    else if ( isSigHBargraph(sig, label,x,y,z) )    { fout << "hbargraph";  }
#endif
    else if ( isSigAttach(sig, x, y) )              { fout << "attach";     }

    else {
        cerr << "ERROR, unrecognized signal : " << *sig << endl;
        exit(1);
    }

    return fout.str();
}

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void sigToGraph	(	Tree	L,
		ofstream &	fout
	)

Draw a list of signals as a directed graph using graphviz's dot language.

Draw a list of signals L as a directed graph using graphviz's dot language.

Definition at line 50 of file sigToGraph.cpp.

References edgeattr(), getCertifiedSigType(), hd(), isList(), recdraw(), and tl().

Referenced by ScalarCompiler::prepare().

{
    set<Tree>   alreadyDrawn;

    fout << "strict digraph loopgraph {\n"
         << "    rankdir=LR; node [fontsize=10];"
         << endl;
    int out = 0;
    while (isList(L)) {
        recdraw(hd(L), alreadyDrawn, fout);

        fout << "OUTPUT_" << out << "[color=\"red2\" style=\"filled\" fillcolor=\"pink\"];" << endl;
        fout << 'S' << hd(L) << " -> " << "OUTPUT_" << out++ << "[" << edgeattr(getCertifiedSigType(hd(L))) << "];" << endl;
        L = tl(L);
    }

    fout << "}" << endl;
}

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Variable Documentation

const char* binopname[]

static

Initial value:

= {
        "+", "-", "*", "/", "%",
        "<<", ">>",
        ">", "<", ">=", "<=", "==", "!=",
        "&", "|", "^"
}

translate signal binary operations into strings

Definition at line 173 of file sigToGraph.cpp.

Referenced by sigLabel().