New command 'read_sf'.

2 files changed, 128 insertions, 0 deletions

diff --git a/src/base/io/io.c b/src/base/io/io.c
index a5cffbf4..c2363cb5 100644
--- a/src/base/io/io.c
+++ b/src/base/io/io.c
@@ -24,6 +24,10 @@
 #include "proof/abs/abs.h"
 #include "sat/bmc/bmc.h"
 
+#ifdef WIN32
+#define unlink _unlink
+#endif
+
 ABC_NAMESPACE_IMPL_START
 
 ////////////////////////////////////////////////////////////////////////
@@ -49,6 +53,7 @@ static int IoCommandReadVerilog ( Abc_Frame_t * pAbc, int argc, char **argv );
 static int IoCommandReadStatus  ( Abc_Frame_t * pAbc, int argc, char **argv );
 static int IoCommandReadGig     ( Abc_Frame_t * pAbc, int argc, char **argv );
 static int IoCommandReadJson    ( Abc_Frame_t * pAbc, int argc, char **argv );
+static int IoCommandReadSF      ( Abc_Frame_t * pAbc, int argc, char **argv );
 
 static int IoCommandWrite       ( Abc_Frame_t * pAbc, int argc, char **argv );
 static int IoCommandWriteHie    ( Abc_Frame_t * pAbc, int argc, char **argv );
@@ -118,6 +123,7 @@ void Io_Init( Abc_Frame_t * pAbc )
     Cmd_CommandAdd( pAbc, "I/O", "read_status",   IoCommandReadStatus,   0 );
     Cmd_CommandAdd( pAbc, "I/O", "&read_gig",     IoCommandReadGig,      0 );
     Cmd_CommandAdd( pAbc, "I/O", "read_json",     IoCommandReadJson,     0 );
+    Cmd_CommandAdd( pAbc, "I/O", "read_sf",       IoCommandReadSF,       0 );
 
     Cmd_CommandAdd( pAbc, "I/O", "write",         IoCommandWrite,        0 );
     Cmd_CommandAdd( pAbc, "I/O", "write_hie",     IoCommandWriteHie,     0 );
@@ -1415,6 +1421,73 @@ usage:
     return 1;
 }
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int IoCommandReadSF( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    extern void Io_TransformSF2PLA( char * pNameIn, char * pNameOut );
+
+    Abc_Ntk_t * pNtk;
+    FILE * pFile;
+    char * pFileName, * pFileTemp = "_temp_sf_.pla";
+    int c;
+
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "h" ) ) != EOF )
+    {
+        switch ( c )
+        {
+            case 'h':
+                goto usage;
+            default:
+                goto usage;
+        }
+    }
+    if ( argc != globalUtilOptind + 1 )
+    {
+        goto usage;
+    }
+
+    // get the input file name
+    pFileName = argv[globalUtilOptind];
+    if ( (pFile = fopen( pFileName, "r" )) == NULL )
+    {
+        fprintf( pAbc->Err, "Cannot open input file \"%s\". \n", pFileName );
+        return 1;
+    }
+    fclose( pFile );
+    Io_TransformSF2PLA( pFileName, pFileTemp );
+    pNtk = Io_Read( pFileTemp, IO_FILE_PLA, 1, 0 );
+    unlink( pFileTemp );
+    if ( pNtk == NULL )
+        return 1;
+    ABC_FREE( pNtk->pName );
+    pNtk->pName = Extra_FileNameGeneric( pFileName );
+    ABC_FREE( pNtk->pSpec );
+    pNtk->pSpec = Abc_UtilStrsav( pFileName );
+    // replace the current network
+    Abc_FrameReplaceCurrentNetwork( pAbc, pNtk );
+    Abc_FrameClearVerifStatus( pAbc );
+
+    return 0;
+
+usage:
+    fprintf( pAbc->Err, "usage: read_sf [-h] <file>\n" );
+    fprintf( pAbc->Err, "\t         reads file in SF format\n" );
+    fprintf( pAbc->Err, "\t-h     : prints the command summary\n" );
+    fprintf( pAbc->Err, "\tfile   : the name of a file to read\n" );
+    return 1;
+}
+
 
 /**Function*************************************************************
 
diff --git a/src/base/io/ioUtil.c b/src/base/io/ioUtil.c
index c6b47b11..01fe4f45 100644
--- a/src/base/io/ioUtil.c
+++ b/src/base/io/ioUtil.c
@@ -862,6 +862,61 @@ FILE * Io_FileOpen( const char * FileName, const char * PathVar, const char * Mo
     }
 }
 
+/**Function*************************************************************
+
+  Synopsis    [Tranform SF into PLA.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Io_TransformSF2PLA( char * pNameIn, char * pNameOut )
+{
+    int fStart = 0, Size = 1000000;
+    char * pBuffer, * pToken;
+    FILE * pFileIn  = fopen( pNameIn,  "rb" );
+    FILE * pFileOut = fopen( pNameOut, "wb" );
+    if ( pFileIn == NULL )
+    {
+        if ( pFileOut ) fclose( pFileOut );
+        printf( "Cannot open file \"%s\" for reading.\n", pNameIn );
+        return;
+    }
+    if ( pFileOut == NULL )
+    {
+        if ( pFileIn )  fclose( pFileIn );
+        printf( "Cannot open file \"%s\" for reading.\n", pNameOut );
+        return;
+    }
+    pBuffer = ABC_ALLOC( char, Size );
+    fprintf( pFileOut, ".type fd\n" );
+    while ( fgets(pBuffer, Size, pFileIn) )
+    {
+        if ( strstr(pBuffer, "END_SDF") )
+            break;
+        if ( strstr(pBuffer, "SDF") )
+        {
+            fgets(pBuffer, Size, pFileIn);
+            if ( (pToken = strtok( pBuffer, " \t\r\n" )) )
+                fprintf( pFileOut, ".i %d\n", atoi(pToken) );
+            if ( (pToken = strtok( NULL, " \t\r\n" )) )
+                fprintf( pFileOut, ".o %d\n", atoi(pToken) );
+            if ( (pToken = strtok( NULL, " \t\r\n" )) )
+                fprintf( pFileOut, ".p %d\n", atoi(pToken) );
+            fStart = 1;
+        }
+        else if ( fStart )
+            fprintf( pFileOut, "%s", pBuffer );
+    }
+    fprintf( pFileOut, ".e\n" );
+    fclose( pFileIn );
+    fclose( pFileOut );
+    ABC_FREE( pBuffer );
+}
+
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////