Enabling native Gia visualization in &show.

3 files changed, 376 insertions, 2 deletions

diff --git a/src/aig/gia/gia.h b/src/aig/gia/gia.h
index ef80d814..9c557843 100644
--- a/src/aig/gia/gia.h
+++ b/src/aig/gia/gia.h
@@ -1013,12 +1013,14 @@ static inline int         Gia_ObjCellId( Gia_Man_t * p, int iLit )          { re
 
 #define Gia_ManForEachLut2( p, i )                                      \
     for ( i = 1; i < Gia_ManObjNum(p); i++ ) if ( !Gia_ObjIsLut2(p, i) ) {} else
-#define Gia_LutForEachFanin2( p, i, iFan, k )                           \
-    for ( k = 0; k < Gia_ObjLutSize2(p,i) && ((iFan = Gia_ObjLutFanin2(p,i,k)),1); k++ )
+#define Gia_ManForEachLut2Reverse( p, i )                               \
+    for ( i = Gia_ManObjNum(p) - 1; i > 0; i-- ) if ( !Gia_ObjIsLut2(p, i) ) {} else
 #define Gia_ManForEachLut2Vec( vIds, p, vVec, iObj, i )                 \
     for ( i = 0; i < Vec_IntSize(vIds) && (vVec = Vec_WecEntry(p->vMapping2, (iObj = Vec_IntEntry(vIds, i)))); i++ )
 #define Gia_ManForEachLut2VecReverse( vIds, p, vVec, iObj, i )          \
     for ( i = Vec_IntSize(vIds)-1; i >= 0 && (vVec = Vec_WecEntry(p->vMapping2, (iObj = Vec_IntEntry(vIds, i)))); i-- )
+#define Gia_LutForEachFanin2( p, i, iFan, k )                           \
+    for ( k = 0; k < Gia_ObjLutSize2(p,i) && ((iFan = Gia_ObjLutFanin2(p,i,k)),1); k++ )
 
 #define Gia_ManForEachCell( p, i )                                      \
     for ( i = 2; i < 2*Gia_ManObjNum(p); i++ ) if ( !Gia_ObjIsCell(p, i) ) {} else
@@ -1355,6 +1357,8 @@ extern Gia_Man_t *         Gia_ManCleanup( Gia_Man_t * p );
 extern Gia_Man_t *         Gia_ManCleanupOutputs( Gia_Man_t * p, int nOutputs );
 extern Gia_Man_t *         Gia_ManSeqCleanup( Gia_Man_t * p );
 extern Gia_Man_t *         Gia_ManSeqStructSweep( Gia_Man_t * p, int fConst, int fEquiv, int fVerbose );
+/*=== giaShow.c ===========================================================*/
+extern void                Gia_ManShow( Gia_Man_t * pMan, Vec_Int_t * vBold );
 /*=== giaShrink.c ===========================================================*/
 extern Gia_Man_t *         Gia_ManMapShrink4( Gia_Man_t * p, int fKeepLevel, int fVerbose );
 extern Gia_Man_t *         Gia_ManMapShrink6( Gia_Man_t * p, int nFanoutMax, int fKeepLevel, int fVerbose );
diff --git a/src/aig/gia/giaShow.c b/src/aig/gia/giaShow.c
new file mode 100644
index 00000000..2d5b7a22
--- /dev/null
+++ b/src/aig/gia/giaShow.c
@@ -0,0 +1,369 @@
+/**CFile****************************************************************
+
+  FileName    [giaShow.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [And-Inverter Graph package.]
+
+  Synopsis    [AIG visualization.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - May 11, 2006.]
+
+  Revision    [$Id: giaShow.c,v 1.00 2006/05/11 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "gia.h"
+
+ABC_NAMESPACE_IMPL_START
+
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Writes the graph structure of AIG for DOT.]
+
+  Description [Useful for graph visualization using tools such as GraphViz: 
+  http://www.graphviz.org/]
+  
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Gia_WriteDotAig( Gia_Man_t * pMan, char * pFileName, Vec_Int_t * vBold )
+{
+    FILE * pFile;
+    Gia_Obj_t * pNode;//, * pTemp, * pPrev;
+    int LevelMax, Prev, Level, i;
+    int fConstIsUsed = 0;
+
+    if ( Gia_ManAndNum(pMan) > 200 )
+    {
+        fprintf( stdout, "Cannot visualize AIG with more than 200 nodes.\n" );
+        return;
+    }
+    if ( (pFile = fopen( pFileName, "w" )) == NULL )
+    {
+        fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
+        return;
+    }
+
+    // mark the nodes
+    if ( vBold )
+        Gia_ManForEachObjVec( vBold, pMan, pNode, i )
+            pNode->fMark0 = 1;
+
+    // compute levels
+    LevelMax = 1 + Gia_ManLevelNum( pMan );
+    Gia_ManForEachCo( pMan, pNode, i )
+        Vec_IntWriteEntry( pMan->vLevels, Gia_ObjId(pMan, pNode), LevelMax );
+
+    // write the DOT header
+    fprintf( pFile, "# %s\n",  "AIG structure generated by IVY package" );
+    fprintf( pFile, "\n" );
+    fprintf( pFile, "digraph AIG {\n" );
+    fprintf( pFile, "size = \"7.5,10\";\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 >= 0; 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 >= 0; Level-- )
+    {
+        // the visible node name
+        fprintf( pFile, "  Level%d",  Level );
+        // the connector
+        if ( Level != 0 )
+            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", "AIG structure visualized by ABC" );
+    fprintf( pFile, "\\n" );
+    fprintf( pFile, "Benchmark \\\"%s\\\". ", "aig" );
+//    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=\"" );
+    fprintf( pFile, "The set contains %d logic nodes and spans %d levels.", Gia_ManAndNum(pMan), LevelMax );
+    fprintf( pFile, "\\n" );
+    fprintf( pFile, "\"\n" );
+    fprintf( pFile, "         ];\n" );
+    fprintf( pFile, "}" );
+    fprintf( pFile, "\n" );
+    fprintf( pFile, "\n" );
+
+    // generate the COs
+    fprintf( pFile, "{\n" );
+    fprintf( pFile, "  rank = same;\n" );
+    // the labeling node of this level
+    fprintf( pFile, "  Level%d;\n",  LevelMax );
+    // generate the CO nodes
+    Gia_ManForEachCo( pMan, pNode, i )
+    {
+        if ( Gia_ObjFaninId0p(pMan, pNode) == 0 )
+            fConstIsUsed = 1;
+/*
+        if ( fHaig || pNode->pEquiv == NULL )
+            fprintf( pFile, "  Node%d%s [label = \"%d%s\"", pNode->Id, 
+                (Gia_ObjIsLatch(pNode)? "_in":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_in":"") );
+        else
+            fprintf( pFile, "  Node%d%s [label = \"%d%s(%d%s)\"", pNode->Id, 
+                (Gia_ObjIsLatch(pNode)? "_in":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_in":""), 
+                    Gia_Regular(pNode->pEquiv)->Id, Gia_IsComplement(pNode->pEquiv)? "\'":"" );
+*/
+        fprintf( pFile, "  Node%d [label = \"%d\"", Gia_ObjId(pMan, pNode), Gia_ObjId(pMan, pNode) ); 
+
+        fprintf( pFile, ", shape = %s", "invtriangle" );
+        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 - 1; Level > 0; Level-- )
+    {
+        fprintf( pFile, "{\n" );
+        fprintf( pFile, "  rank = same;\n" );
+        // the labeling node of this level
+        fprintf( pFile, "  Level%d;\n",  Level );
+        Gia_ManForEachObj( pMan, pNode, i )
+        {
+            if ( (int)Gia_ObjLevel(pMan, pNode) != Level )
+                continue;
+/*
+            if ( fHaig || pNode->pEquiv == NULL )
+                fprintf( pFile, "  Node%d [label = \"%d\"", pNode->Id, pNode->Id );
+            else 
+                fprintf( pFile, "  Node%d [label = \"%d(%d%s)\"", pNode->Id, pNode->Id, 
+                    Gia_Regular(pNode->pEquiv)->Id, Gia_IsComplement(pNode->pEquiv)? "\'":"" );
+*/
+            fprintf( pFile, "  Node%d [label = \"%d\"", i, i ); 
+
+            fprintf( pFile, ", shape = ellipse" );
+            if ( vBold && pNode->fMark0 )
+                fprintf( pFile, ", style = filled" );
+            fprintf( pFile, "];\n" );
+        }
+        fprintf( pFile, "}" );
+        fprintf( pFile, "\n" );
+        fprintf( pFile, "\n" );
+    }
+
+    // generate the CI nodes
+    fprintf( pFile, "{\n" );
+    fprintf( pFile, "  rank = same;\n" );
+    // the labeling node of this level
+    fprintf( pFile, "  Level%d;\n",  0 );
+    // generate constant node
+    if ( fConstIsUsed )
+    {
+        // check if the costant node is present
+        fprintf( pFile, "  Node%d [label = \"Const0\"", 0 );
+        fprintf( pFile, ", shape = ellipse" );
+        fprintf( pFile, ", color = coral, fillcolor = coral" );
+        fprintf( pFile, "];\n" );
+    }
+    // generate the CI nodes
+    Gia_ManForEachCi( pMan, pNode, i )
+    {
+/*
+        if ( fHaig || pNode->pEquiv == NULL )
+            fprintf( pFile, "  Node%d%s [label = \"%d%s\"", pNode->Id, 
+                (Gia_ObjIsLatch(pNode)? "_out":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_out":"") );
+        else
+            fprintf( pFile, "  Node%d%s [label = \"%d%s(%d%s)\"", pNode->Id, 
+                (Gia_ObjIsLatch(pNode)? "_out":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_out":""), 
+                    Gia_Regular(pNode->pEquiv)->Id, Gia_IsComplement(pNode->pEquiv)? "\'":"" );
+*/
+        fprintf( pFile, "  Node%d [label = \"%d\"", Gia_ObjId(pMan, pNode), Gia_ObjId(pMan, pNode) ); 
+
+        fprintf( pFile, ", shape = %s", "triangle" );
+        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" );
+    Gia_ManForEachCo( pMan, pNode, i )
+        fprintf( pFile, "title2 -> Node%d [style = invis];\n", Gia_ObjId(pMan, pNode) );
+    // generate invisible edges among the COs
+    Prev = -1;
+    Gia_ManForEachCo( pMan, pNode, i )
+    {
+        if ( i > 0 )
+            fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(pMan, pNode) );
+        Prev = Gia_ObjId(pMan, pNode);
+    }
+
+    // generate edges
+    Gia_ManForEachObj( pMan, pNode, i )
+    {
+        if ( !Gia_ObjIsAnd(pNode) && !Gia_ObjIsCo(pNode) && !Gia_ObjIsBuf(pNode) )
+            continue;
+        // generate the edge from this node to the next
+        fprintf( pFile, "Node%d",  i );
+        fprintf( pFile, " -> " );
+        fprintf( pFile, "Node%d",  Gia_ObjFaninId0(pNode, i) );
+        fprintf( pFile, " [" );
+        fprintf( pFile, "style = %s", Gia_ObjFaninC0(pNode)? "dotted" : "bold" );
+//        if ( Gia_NtkIsSeq(pNode->pMan) && Seq_ObjFaninL0(pNode) > 0 )
+//        fprintf( pFile, ", label = \"%s\"", Seq_ObjFaninGetInitPrintable(pNode,0) );
+        fprintf( pFile, "]" );
+        fprintf( pFile, ";\n" );
+        if ( !Gia_ObjIsAnd(pNode) )
+            continue;
+        // generate the edge from this node to the next
+        fprintf( pFile, "Node%d",  i );
+        fprintf( pFile, " -> " );
+        fprintf( pFile, "Node%d",  Gia_ObjFaninId1(pNode, i) );
+        fprintf( pFile, " [" );
+        fprintf( pFile, "style = %s", Gia_ObjFaninC1(pNode)? "dotted" : "bold" );
+//        if ( Gia_NtkIsSeq(pNode->pMan) && Seq_ObjFaninL1(pNode) > 0 )
+//        fprintf( pFile, ", label = \"%s\"", Seq_ObjFaninGetInitPrintable(pNode,1) );
+        fprintf( pFile, "]" );
+        fprintf( pFile, ";\n" );
+/*
+        // generate the edges between the equivalent nodes
+        if ( fHaig && pNode->pEquiv && Gia_ObjRefs(pNode) > 0 )
+        {
+            pPrev = pNode;
+            for ( pTemp = pNode->pEquiv; pTemp != pNode; pTemp = Gia_Regular(pTemp->pEquiv) )
+            {
+                fprintf( pFile, "Node%d",  pPrev->Id );
+                fprintf( pFile, " -> " );
+                fprintf( pFile, "Node%d",  pTemp->Id );
+                fprintf( pFile, " [style = %s]", Gia_IsComplement(pTemp->pEquiv)? "dotted" : "bold" );
+                fprintf( pFile, ";\n" );
+                pPrev = pTemp;
+            }
+            // connect the last node with the first
+            fprintf( pFile, "Node%d",  pPrev->Id );
+            fprintf( pFile, " -> " );
+            fprintf( pFile, "Node%d",  pNode->Id );
+            fprintf( pFile, " [style = %s]", Gia_IsComplement(pPrev->pEquiv)? "dotted" : "bold" );
+            fprintf( pFile, ";\n" );
+        }
+*/
+    }
+
+    fprintf( pFile, "}" );
+    fprintf( pFile, "\n" );
+    fprintf( pFile, "\n" );
+    fclose( pFile );
+
+    // unmark nodes
+    if ( vBold )
+        Gia_ManForEachObjVec( vBold, pMan, pNode, i )
+            pNode->fMark0 = 0;
+
+    Vec_IntFreeP( &pMan->vLevels );
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Gia_ManShow( Gia_Man_t * pMan, Vec_Int_t * vBold )
+{
+    extern void Abc_ShowFile( char * FileNameDot );
+    static int Counter = 0;
+    char FileNameDot[200];
+    FILE * pFile;
+    // create the file name
+//    Gia_ShowGetFileName( pMan->pName, FileNameDot );
+    sprintf( FileNameDot, "temp%02d.dot", Counter++ );
+    // check that the file can be opened
+    if ( (pFile = fopen( FileNameDot, "w" )) == NULL )
+    {
+        fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", FileNameDot );
+        return;
+    }
+    fclose( pFile );
+    // generate the file
+    Gia_WriteDotAig( pMan, FileNameDot, vBold );
+    // visualize the file 
+    Abc_ShowFile( FileNameDot );
+}
+
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+
+ABC_NAMESPACE_IMPL_END
+
diff --git a/src/aig/gia/module.make b/src/aig/gia/module.make
index b69c5bb6..157bf867 100644
--- a/src/aig/gia/module.make
+++ b/src/aig/gia/module.make
@@ -58,6 +58,7 @@ SRC +=    src/aig/gia/giaAig.c \
     src/aig/gia/giaSatMap.c \
     src/aig/gia/giaScl.c \
     src/aig/gia/giaScript.c \
+    src/aig/gia/giaShow.c \
     src/aig/gia/giaShrink.c \
     src/aig/gia/giaShrink6.c \
     src/aig/gia/giaShrink7.c \