luke
/
abc
mirror of https://github.com/YosysHQ/abc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
abc/src/base/io/ioWriteDot.c

855 lines
28 KiB
C
Raw Blame History

/**CFile****************************************************************
FileName [ioWriteDot.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Command processing package.]
Synopsis [Procedures to write the graph structure of AIG in DOT.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ioWriteDot.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "ioAbc.h"
#include "base/main/main.h"
#include "map/mio/mio.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static char * Abc_NtkPrintSop( char * pSop );
static int Abc_NtkCountLogicNodes( Vec_Ptr_t * vNodes );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Writes the graph structure of network for DOT.]
Description [Useful for graph visualization using tools such as GraphViz:
http://www.graphviz.org/]
SideEffects []
SeeAlso []
***********************************************************************/
void Io_WriteDot( Abc_Ntk_t * pNtk, char * FileName )
{
Vec_Ptr_t * vNodes;
vNodes = Abc_NtkCollectObjects( pNtk );
Io_WriteDotNtk( pNtk, vNodes, NULL, FileName, 0, 0 );
Vec_PtrFree( vNodes );
}
/**Function*************************************************************
Synopsis [Writes the graph structure of network for DOT.]
Description [Useful for graph visualization using tools such as GraphViz:
http://www.graphviz.org/]
SideEffects []
SeeAlso []
***********************************************************************/
void Io_WriteDotNtk( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow, char * pFileName, int fGateNames, int fUseReverse )
{
FILE * pFile;
Abc_Obj_t * pNode, * pFanin;
char * pSopString;
int LevelMin, LevelMax, fHasCos, Level, i, k, fHasBdds, fCompl, Prev;
int Limit = 500;
assert( Abc_NtkIsStrash(pNtk) || Abc_NtkIsLogic(pNtk) );
if ( vNodes->nSize < 1 )
{
printf( "The set has no nodes. DOT file is not written.\n" );
return;
}
if ( vNodes->nSize > Limit )
{
printf( "The set has more than %d nodes. DOT file is not written.\n", Limit );
return;
}
// start the stream
if ( (pFile = fopen( pFileName, "w" )) == NULL )
{
fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
return;
}
// transform logic functions from BDD to SOP
if ( (fHasBdds = Abc_NtkIsBddLogic(pNtk)) )
{
if ( !Abc_NtkBddToSop(pNtk, -1, ABC_INFINITY) )
{
printf( "Io_WriteDotNtk(): Converting to SOPs has failed.\n" );
return;
}
}
// mark the nodes from the set
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
pNode->fMarkC = 1;
if ( vNodesShow )
Vec_PtrForEachEntry( Abc_Obj_t *, vNodesShow, pNode, i )
pNode->fMarkB = 1;
// get the levels of nodes
LevelMax = Abc_NtkLevel( pNtk );
if ( fUseReverse )
{
LevelMin = Abc_NtkLevelReverse( pNtk );
assert( LevelMax == LevelMin );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
if ( Abc_ObjIsNode(pNode) )
pNode->Level = LevelMax - pNode->Level + 1;
}
// find the largest and the smallest levels
LevelMin = 10000;
LevelMax = -1;
fHasCos = 0;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( Abc_ObjIsCo(pNode) )
{
fHasCos = 1;
continue;
}
if ( LevelMin > (int)pNode->Level )
LevelMin = pNode->Level;
if ( LevelMax < (int)pNode->Level )
LevelMax = pNode->Level;
}
// set the level of the CO nodes
if ( fHasCos )
{
LevelMax++;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( Abc_ObjIsCo(pNode) )
pNode->Level = LevelMax;
}
}
// write the DOT header
fprintf( pFile, "# %s\n", "Network structure generated by ABC" );
fprintf( pFile, "\n" );
fprintf( pFile, "digraph network {\n" );
fprintf( pFile, "size = \"7.5,10\";\n" );
// fprintf( pFile, "size = \"10,8.5\";\n" );
// fprintf( pFile, "size = \"14,11\";\n" );
// fprintf( pFile, "page = \"8,11\";\n" );
// fprintf( pFile, "ranksep = 0.5;\n" );
// fprintf( pFile, "nodesep = 0.5;\n" );
fprintf( pFile, "center = true;\n" );
// fprintf( pFile, "orientation = landscape;\n" );
// fprintf( pFile, "edge [fontsize = 10];\n" );
// fprintf( pFile, "edge [dir = none];\n" );
fprintf( pFile, "edge [dir = back];\n" );
fprintf( pFile, "\n" );
// labels on the left of the picture
fprintf( pFile, "{\n" );
fprintf( pFile, " node [shape = plaintext];\n" );
fprintf( pFile, " edge [style = invis];\n" );
fprintf( pFile, " LevelTitle1 [label=\"\"];\n" );
fprintf( pFile, " LevelTitle2 [label=\"\"];\n" );
// generate node names with labels
for ( Level = LevelMax; Level >= LevelMin; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
fprintf( pFile, " [label = " );
// label name
fprintf( pFile, "\"" );
fprintf( pFile, "\"" );
fprintf( pFile, "];\n" );
}
// genetate the sequence of visible/invisible nodes to mark levels
fprintf( pFile, " LevelTitle1 -> LevelTitle2 ->" );
for ( Level = LevelMax; Level >= LevelMin; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
// the connector
if ( Level != LevelMin )
fprintf( pFile, " ->" );
else
fprintf( pFile, ";" );
}
fprintf( pFile, "\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate title box on top
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle1;\n" );
fprintf( pFile, " title1 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=20,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "%s", "Network structure visualized by ABC" );
fprintf( pFile, "\\n" );
fprintf( pFile, "Benchmark \\\"%s\\\". ", pNtk->pName );
fprintf( pFile, "Time was %s. ", Extra_TimeStamp() );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate statistics box
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle2;\n" );
fprintf( pFile, " title2 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=18,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
if ( Abc_NtkObjNum(pNtk) == Vec_PtrSize(vNodes) )
fprintf( pFile, "The network contains %d logic nodes and %d latches.", Abc_NtkNodeNum(pNtk), Abc_NtkLatchNum(pNtk) );
else
fprintf( pFile, "The set contains %d logic nodes and spans %d levels.", Abc_NtkCountLogicNodes(vNodes), LevelMax - LevelMin + 1 );
fprintf( pFile, "\\n" );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate the POs
if ( fHasCos )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMax );
// generate the PO nodes
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( !Abc_ObjIsCo(pNode) )
continue;
fprintf( pFile, " Node%d [label = \"%s%s\"",
pNode->Id,
(Abc_ObjIsBi(pNode)? Abc_ObjName(Abc_ObjFanout0(pNode)):Abc_ObjName(pNode)),
(Abc_ObjIsBi(pNode)? "_in":"") );
fprintf( pFile, ", shape = %s", (Abc_ObjIsBi(pNode)? "box":"invtriangle") );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate nodes of each rank
for ( Level = LevelMax - fHasCos; Level >= LevelMin && Level > 0; Level-- )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", Level );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( (int)pNode->Level != Level )
continue;
if ( Abc_ObjFaninNum(pNode) == 0 )
continue;
/*
int SuppSize;
Vec_Ptr_t * vSupp;
if ( (int)pNode->Level != Level )
continue;
if ( Abc_ObjFaninNum(pNode) == 0 )
continue;
vSupp = Abc_NtkNodeSupport( pNtk, &pNode, 1 );
SuppSize = Vec_PtrSize( vSupp );
Vec_PtrFree( vSupp );
*/
// fprintf( pFile, " Node%d [label = \"%d\"", pNode->Id, pNode->Id );
if ( Abc_NtkIsStrash(pNtk) )
pSopString = "";
else if ( Abc_NtkHasMapping(pNtk) && fGateNames )
pSopString = Mio_GateReadName((Mio_Gate_t *)pNode->pData);
else if ( Abc_NtkHasMapping(pNtk) )
pSopString = Abc_NtkPrintSop(Mio_GateReadSop((Mio_Gate_t *)pNode->pData));
else
pSopString = Abc_NtkPrintSop((char *)pNode->pData);
fprintf( pFile, " Node%d [label = \"%d\\n%s\"", pNode->Id, pNode->Id, pSopString );
// fprintf( pFile, " Node%d [label = \"%d\\n%s\"", pNode->Id,
// SuppSize,
// pSopString );
fprintf( pFile, ", shape = ellipse" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate the PI nodes if any
if ( LevelMin == 0 )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMin );
// generate the PO nodes
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( !Abc_ObjIsCi(pNode) )
{
// check if the costant node is present
if ( Abc_ObjFaninNum(pNode) == 0 && Abc_ObjFanoutNum(pNode) > 0 )
{
fprintf( pFile, " Node%d [label = \"Const%d\"", pNode->Id, Abc_NtkIsStrash(pNode->pNtk) || Abc_NodeIsConst1(pNode) );
fprintf( pFile, ", shape = ellipse" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
continue;
}
fprintf( pFile, " Node%d [label = \"%s\"",
pNode->Id,
(Abc_ObjIsBo(pNode)? Abc_ObjName(Abc_ObjFanin0(pNode)):Abc_ObjName(pNode)) );
fprintf( pFile, ", shape = %s", (Abc_ObjIsBo(pNode)? "box":"triangle") );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate invisible edges from the square down
fprintf( pFile, "title1 -> title2 [style = invis];\n" );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( (int)pNode->Level != LevelMax )
continue;
fprintf( pFile, "title2 -> Node%d [style = invis];\n", pNode->Id );
}
// generate invisible edges among the COs
Prev = -1;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( (int)pNode->Level != LevelMax )
continue;
if ( !Abc_ObjIsPo(pNode) )
continue;
if ( Prev >= 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, pNode->Id );
Prev = pNode->Id;
}
// generate edges
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( Abc_ObjIsLatch(pNode) )
continue;
Abc_ObjForEachFanin( pNode, pFanin, k )
{
if ( Abc_ObjIsLatch(pFanin) )
continue;
fCompl = 0;
if ( Abc_NtkIsStrash(pNtk) )
fCompl = Abc_ObjFaninC(pNode, k);
// generate the edge from this node to the next
fprintf( pFile, "Node%d", pNode->Id );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", pFanin->Id );
fprintf( pFile, " [style = %s", fCompl? "dotted" : "solid" );
// fprintf( pFile, ", label = \"%c\"", 'a' + k );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
fclose( pFile );
// unmark the nodes from the set
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
pNode->fMarkC = 0;
if ( vNodesShow )
Vec_PtrForEachEntry( Abc_Obj_t *, vNodesShow, pNode, i )
pNode->fMarkB = 0;
// convert the network back into BDDs if this is how it was
if ( fHasBdds )
Abc_NtkSopToBdd(pNtk);
}
/**Function*************************************************************
Synopsis [Writes the graph structure of network for DOT.]
Description [Useful for graph visualization using tools such as GraphViz:
http://www.graphviz.org/]
SideEffects []
SeeAlso []
***********************************************************************/
void Io_WriteDotSeq( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow, char * pFileName, int fGateNames, int fUseReverse )
{
FILE * pFile;
Abc_Obj_t * pNode, * pFanin;
char * pSopString;
int LevelMin, LevelMax, fHasCos, Level, i, k, fHasBdds, fCompl, Prev;
int Limit = 300;
assert( Abc_NtkIsStrash(pNtk) || Abc_NtkIsLogic(pNtk) );
if ( vNodes->nSize < 1 )
{
printf( "The set has no nodes. DOT file is not written.\n" );
return;
}
if ( vNodes->nSize > Limit )
{
printf( "The set has more than %d nodes. DOT file is not written.\n", Limit );
return;
}
// start the stream
if ( (pFile = fopen( pFileName, "w" )) == NULL )
{
fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
return;
}
// transform logic functions from BDD to SOP
if ( (fHasBdds = Abc_NtkIsBddLogic(pNtk)) )
{
if ( !Abc_NtkBddToSop(pNtk, -1, ABC_INFINITY) )
{
printf( "Io_WriteDotNtk(): Converting to SOPs has failed.\n" );
return;
}
}
// mark the nodes from the set
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
pNode->fMarkC = 1;
if ( vNodesShow )
Vec_PtrForEachEntry( Abc_Obj_t *, vNodesShow, pNode, i )
pNode->fMarkB = 1;
// get the levels of nodes
LevelMax = Abc_NtkLevel( pNtk );
if ( fUseReverse )
{
LevelMin = Abc_NtkLevelReverse( pNtk );
assert( LevelMax == LevelMin );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
if ( Abc_ObjIsNode(pNode) )
pNode->Level = LevelMax - pNode->Level + 1;
}
// find the largest and the smallest levels
LevelMin = 10000;
LevelMax = -1;
fHasCos = 0;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( Abc_ObjIsCo(pNode) )
{
fHasCos = 1;
continue;
}
if ( LevelMin > (int)pNode->Level )
LevelMin = pNode->Level;
if ( LevelMax < (int)pNode->Level )
LevelMax = pNode->Level;
}
// set the level of the CO nodes
if ( fHasCos )
{
LevelMax++;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( Abc_ObjIsCo(pNode) )
pNode->Level = LevelMax;
}
}
// write the DOT header
fprintf( pFile, "# %s\n", "Network structure generated by ABC" );
fprintf( pFile, "\n" );
fprintf( pFile, "digraph network {\n" );
fprintf( pFile, "size = \"7.5,10\";\n" );
// fprintf( pFile, "size = \"10,8.5\";\n" );
// fprintf( pFile, "size = \"14,11\";\n" );
// fprintf( pFile, "page = \"8,11\";\n" );
// fprintf( pFile, "ranksep = 0.5;\n" );
// fprintf( pFile, "nodesep = 0.5;\n" );
fprintf( pFile, "center = true;\n" );
// fprintf( pFile, "orientation = landscape;\n" );
// fprintf( pFile, "edge [fontsize = 10];\n" );
// fprintf( pFile, "edge [dir = none];\n" );
fprintf( pFile, "edge [dir = back];\n" );
fprintf( pFile, "\n" );
// labels on the left of the picture
fprintf( pFile, "{\n" );
fprintf( pFile, " node [shape = plaintext];\n" );
fprintf( pFile, " edge [style = invis];\n" );
fprintf( pFile, " LevelTitle1 [label=\"\"];\n" );
fprintf( pFile, " LevelTitle2 [label=\"\"];\n" );
// generate node names with labels
for ( Level = LevelMax; Level >= LevelMin; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
fprintf( pFile, " [label = " );
// label name
fprintf( pFile, "\"" );
fprintf( pFile, "\"" );
fprintf( pFile, "];\n" );
}
// genetate the sequence of visible/invisible nodes to mark levels
fprintf( pFile, " LevelTitle1 -> LevelTitle2 ->" );
for ( Level = LevelMax; Level >= LevelMin; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
// the connector
if ( Level != LevelMin )
fprintf( pFile, " ->" );
else
fprintf( pFile, ";" );
}
fprintf( pFile, "\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate title box on top
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle1;\n" );
fprintf( pFile, " title1 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=20,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "%s", "Network structure visualized by ABC" );
fprintf( pFile, "\\n" );
fprintf( pFile, "Benchmark \\\"%s\\\". ", pNtk->pName );
fprintf( pFile, "Time was %s. ", Extra_TimeStamp() );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate statistics box
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle2;\n" );
fprintf( pFile, " title2 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=18,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
if ( Abc_NtkObjNum(pNtk) == Vec_PtrSize(vNodes) )
fprintf( pFile, "The network contains %d logic nodes and %d latches.", Abc_NtkNodeNum(pNtk), Abc_NtkLatchNum(pNtk) );
else
fprintf( pFile, "The set contains %d logic nodes and spans %d levels.", Abc_NtkCountLogicNodes(vNodes), LevelMax - LevelMin + 1 );
fprintf( pFile, "\\n" );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate the POs
if ( fHasCos )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMax );
// generate the PO nodes
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( !Abc_ObjIsPo(pNode) )
continue;
fprintf( pFile, " Node%d [label = \"%s\"", pNode->Id, Abc_ObjName(pNode) );
fprintf( pFile, ", shape = %s", "invtriangle" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate nodes of each rank
for ( Level = LevelMax - fHasCos; Level >= LevelMin && Level > 0; Level-- )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", Level );
Abc_NtkForEachNode( pNtk, pNode, i )
{
if ( (int)pNode->Level != Level )
continue;
// fprintf( pFile, " Node%d [label = \"%d\"", pNode->Id, pNode->Id );
if ( Abc_NtkIsStrash(pNtk) )
pSopString = "";
else if ( Abc_NtkHasMapping(pNtk) && fGateNames )
pSopString = Mio_GateReadName((Mio_Gate_t *)pNode->pData);
else if ( Abc_NtkHasMapping(pNtk) )
pSopString = Abc_NtkPrintSop(Mio_GateReadSop((Mio_Gate_t *)pNode->pData));
else
pSopString = Abc_NtkPrintSop((char *)pNode->pData);
fprintf( pFile, " Node%d [label = \"%d\\n%s\"", pNode->Id, pNode->Id, pSopString );
fprintf( pFile, ", shape = ellipse" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate the PI nodes if any
if ( LevelMin == 0 )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMin );
// generate the PO nodes
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( pNode->Level > 0 )
continue;
if ( !Abc_ObjIsPi(pNode) )
{
// check if the costant node is present
if ( Abc_ObjFaninNum(pNode) == 0 && Abc_ObjFanoutNum(pNode) > 0 )
{
fprintf( pFile, " Node%d [label = \"Const1\"", pNode->Id );
fprintf( pFile, ", shape = ellipse" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
continue;
}
fprintf( pFile, " Node%d [label = \"%s\"", pNode->Id, Abc_ObjName(pNode) );
fprintf( pFile, ", shape = %s", "triangle" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// fprintf( pFile, "{\n" );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( !Abc_ObjIsLatch(pNode) )
continue;
fprintf( pFile, "Node%d [label = \"%s\"", pNode->Id, Abc_ObjName(pNode) );
fprintf( pFile, ", shape = box" );
if ( pNode->fMarkB )
fprintf( pFile, ", style = filled" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
// fprintf( pFile, "}" );
// fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate invisible edges from the square down
fprintf( pFile, "title1 -> title2 [style = invis];\n" );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( (int)pNode->Level != LevelMax )
continue;
if ( !Abc_ObjIsPo(pNode) )
continue;
fprintf( pFile, "title2 -> Node%d [style = invis];\n", pNode->Id );
}
// generate invisible edges among the COs
Prev = -1;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( (int)pNode->Level != LevelMax )
continue;
if ( !Abc_ObjIsPo(pNode) )
continue;
if ( Prev >= 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, pNode->Id );
Prev = pNode->Id;
}
// generate edges
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
{
if ( Abc_ObjIsBi(pNode) || Abc_ObjIsBo(pNode) )
continue;
Abc_ObjForEachFanin( pNode, pFanin, k )
{
fCompl = 0;
if ( Abc_NtkIsStrash(pNtk) )
{
if ( Abc_ObjIsBi(pFanin) )
fCompl = Abc_ObjFaninC(pFanin, k);
else
fCompl = Abc_ObjFaninC(pNode, k);
}
if ( Abc_ObjIsBi(pFanin) || Abc_ObjIsBo(pFanin) )
pFanin = Abc_ObjFanin0(pFanin);
if ( Abc_ObjIsBi(pFanin) || Abc_ObjIsBo(pFanin) )
pFanin = Abc_ObjFanin0(pFanin);
if ( !pFanin->fMarkC )
continue;
// generate the edge from this node to the next
fprintf( pFile, "Node%d", pNode->Id );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", pFanin->Id );
fprintf( pFile, " [style = %s", fCompl? "dotted" : "solid" );
// fprintf( pFile, ", label = \"%c\"", 'a' + k );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
fclose( pFile );
// unmark the nodes from the set
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
pNode->fMarkC = 0;
if ( vNodesShow )
Vec_PtrForEachEntry( Abc_Obj_t *, vNodesShow, pNode, i )
pNode->fMarkB = 0;
// convert the network back into BDDs if this is how it was
if ( fHasBdds )
Abc_NtkSopToBdd(pNtk);
}
/**Function*************************************************************
Synopsis [Computes the printable SOP form.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Abc_NtkPrintSop( char * pSop )
{
static char Buffer[1000];
char * pGet, * pSet;
pSet = Buffer;
for ( pGet = pSop; *pGet; pGet++ )
{
if ( *pGet == '\n' )
{
*pSet++ = '\\';
*pSet++ = 'n';
}
else
*pSet++ = *pGet;
}
*(pSet-2) = 0;
return Buffer;
}
/**Function*************************************************************
Synopsis [Computes the printable SOP form.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkCountLogicNodes( Vec_Ptr_t * vNodes )
{
Abc_Obj_t * pObj;
int i, Counter = 0;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
{
if ( !Abc_ObjIsNode(pObj) )
continue;
if ( Abc_ObjFaninNum(pObj) == 0 && Abc_ObjFanoutNum(pObj) == 0 )
continue;
Counter ++;
}
return Counter;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
Reference in New Issue View Git Blame Copy Permalink