From eb65c0188829ced86c6e15aaf31a8430d13ffd6d Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Thu, 6 Oct 2016 22:04:11 -0700
Subject: Change Verilog reader to take a string rather than file name.

---
 src/base/wlc/wlc.h        |  2 +-
 src/base/wlc/wlcCom.c     |  2 +-
 src/base/wlc/wlcReadVer.c | 14 ++++++++------
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/base/wlc/wlc.h b/src/base/wlc/wlc.h
index bb5c4bfe..90596093 100644
--- a/src/base/wlc/wlc.h
+++ b/src/base/wlc/wlc.h
@@ -286,7 +286,7 @@ extern void           Wlc_NtkDeleteSim( Vec_Ptr_t * p );
 /*=== wlcStdin.c ========================================================*/
 extern int            Wlc_StdinProcessSmt( Abc_Frame_t * pAbc, char * pCmd );
 /*=== wlcReadVer.c ========================================================*/
-extern Wlc_Ntk_t *    Wlc_ReadVer( char * pFileName );
+extern Wlc_Ntk_t *    Wlc_ReadVer( char * pFileName, char * pStr );
 /*=== wlcWriteVer.c ========================================================*/
 extern void           Wlc_WriteVer( Wlc_Ntk_t * p, char * pFileName, int fAddCos, int fNoFlops );
 
diff --git a/src/base/wlc/wlcCom.c b/src/base/wlc/wlcCom.c
index 2c504127..7856fae8 100644
--- a/src/base/wlc/wlcCom.c
+++ b/src/base/wlc/wlcCom.c
@@ -161,7 +161,7 @@ int Abc_CommandReadWlc( Abc_Frame_t * pAbc, int argc, char ** argv )
 
     // perform reading
     if ( !strcmp( Extra_FileNameExtension(pFileName), "v" )  )
-        pNtk = Wlc_ReadVer( pFileName );
+        pNtk = Wlc_ReadVer( pFileName, NULL );
     else if ( !strcmp( Extra_FileNameExtension(pFileName), "smt" ) || !strcmp( Extra_FileNameExtension(pFileName), "smt2" )  )
         pNtk = Wlc_ReadSmt( pFileName, fOldParser, fPrintTree );
     else
diff --git a/src/base/wlc/wlcReadVer.c b/src/base/wlc/wlcReadVer.c
index 08dc8e98..fa3efacd 100644
--- a/src/base/wlc/wlcReadVer.c
+++ b/src/base/wlc/wlcReadVer.c
@@ -75,14 +75,14 @@ static inline int          Wlc_PrsStrCmp( char * pStr, char * pWhat )   { return
   SeeAlso     []
 
 ***********************************************************************/
-Wlc_Prs_t * Wlc_PrsStart( char * pFileName )
+Wlc_Prs_t * Wlc_PrsStart( char * pFileName, char * pStr )
 {
     Wlc_Prs_t * p;
-    if ( !Extra_FileCheck( pFileName ) )
+    if ( pFileName && !Extra_FileCheck( pFileName ) )
         return NULL;
     p = ABC_CALLOC( Wlc_Prs_t, 1 );
     p->pFileName = pFileName;
-    p->pBuffer   = Extra_FileReadContents( pFileName );
+    p->pBuffer   = pStr ? Abc_UtilStrsav(pStr) : Extra_FileReadContents( pFileName );
     p->nFileSize = strlen(p->pBuffer);  assert( p->nFileSize > 0 );
     p->vLines    = Vec_IntAlloc( p->nFileSize / 50 );
     p->vStarts   = Vec_IntAlloc( p->nFileSize / 50 );
@@ -1248,12 +1248,14 @@ startword:
     }
     return 1;
 }
-Wlc_Ntk_t * Wlc_ReadVer( char * pFileName )
+Wlc_Ntk_t * Wlc_ReadVer( char * pFileName, char * pStr )
 {
     Wlc_Prs_t * p;
     Wlc_Ntk_t * pNtk = NULL;
+    // either file name or string is given
+    assert( (pFileName == NULL) != (pStr == NULL) );
     // start the parser 
-    p = Wlc_PrsStart( pFileName );
+    p = Wlc_PrsStart( pFileName, pStr );
     if ( p == NULL )
         return NULL;
     // detect lines
@@ -1286,7 +1288,7 @@ finish:
 void Io_ReadWordTest( char * pFileName )
 {
     Gia_Man_t * pNew;
-    Wlc_Ntk_t * pNtk = Wlc_ReadVer( pFileName );
+    Wlc_Ntk_t * pNtk = Wlc_ReadVer( pFileName, NULL );
     if ( pNtk == NULL )
         return;
     Wlc_WriteVer( pNtk, "test.v", 0, 0 );
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