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-rw-r--r--abc70930/src/aig/ivy/attr.h414
1 files changed, 414 insertions, 0 deletions
diff --git a/abc70930/src/aig/ivy/attr.h b/abc70930/src/aig/ivy/attr.h
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+/**CFile****************************************************************
+
+ FileName [attr.h]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [Network attributes.]
+
+ Synopsis [External declarations.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: attr.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#ifndef __ATTR_H__
+#define __ATTR_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+////////////////////////////////////////////////////////////////////////
+/// INCLUDES ///
+////////////////////////////////////////////////////////////////////////
+
+#include "extra.h"
+
+////////////////////////////////////////////////////////////////////////
+/// PARAMETERS ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+/// BASIC TYPES ///
+////////////////////////////////////////////////////////////////////////
+
+typedef struct Attr_ManStruct_t_ Attr_Man_t;
+struct Attr_ManStruct_t_
+{
+ // attribute info
+ int nAttrSize; // the size of each attribute in bytes
+ Extra_MmFixed_t * pManMem; // memory manager for attributes
+ int nAttrs; // the number of attributes allocated
+ void ** pAttrs; // the array of attributes
+ int fUseInt; // uses integer attributes
+ // attribute specific info
+ void * pManAttr; // the manager for this attribute
+ void (*pFuncFreeMan) (void *); // the procedure to call to free attribute-specific manager
+ void (*pFuncFreeObj) (void *, void *); // the procedure to call to free attribute-specific data
+};
+
+// at any time, an attribute of the given ID can be
+// - not available (p->nAttrs < Id)
+// - available but not allocated (p->nAttrs >= Id && p->pAttrs[Id] == NULL)
+// - available and allocated (p->nAttrs >= Id && p->pAttrs[Id] != NULL)
+
+////////////////////////////////////////////////////////////////////////
+/// MACRO DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Allocates the attribute manager.]
+
+ Description [The manager is simple if it does not need memory manager.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline Attr_Man_t * Attr_ManAlloc( int nAttrSize, int fManMem )
+{
+ Attr_Man_t * p;
+ p = ALLOC( Attr_Man_t, 1 );
+ memset( p, 0, sizeof(Attr_Man_t) );
+ p->nAttrSize = nAttrSize;
+ if ( fManMem )
+ p->pManMem = Extra_MmFixedStart( nAttrSize );
+ return p;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Start the attribute manager for integers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline Attr_Man_t * Attr_ManStartInt( int nAttrs )
+{
+ Attr_Man_t * p;
+ p = Attr_ManAlloc( sizeof(int), 0 );
+ p->nAttrs = nAttrs;
+ p->pAttrs = (void **)ALLOC( int, nAttrs );
+ memset( (int *)p->pAttrs, 0, sizeof(int) * nAttrs );
+ p->fUseInt = 1;
+ return p;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Start the attribute manager for pointers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline Attr_Man_t * Attr_ManStartPtr( int nAttrs )
+{
+ Attr_Man_t * p;
+ p = Attr_ManAlloc( sizeof(void *), 0 );
+ p->nAttrs = nAttrs;
+ p->pAttrs = ALLOC( void *, nAttrs );
+ memset( p->pAttrs, 0, sizeof(void *) * nAttrs );
+ return p;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Start the attribute manager for the fixed entry size.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline Attr_Man_t * Attr_ManStartPtrMem( int nAttrs, int nAttrSize )
+{
+ Attr_Man_t * p;
+ int i;
+ p = Attr_ManAlloc( nAttrSize, 1 );
+ p->nAttrs = nAttrs;
+ p->pAttrs = ALLOC( void *, nAttrs );
+ for ( i = 0; i < p->nAttrs; i++ )
+ {
+ p->pAttrs[i] = Extra_MmFixedEntryFetch( p->pManMem );
+ memset( p->pAttrs[i], 0, nAttrSize );
+ }
+ return p;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Stop the attribute manager.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Attr_ManStop( Attr_Man_t * p )
+{
+ // free the attributes of objects
+ if ( p->pFuncFreeObj )
+ {
+ int i;
+ if ( p->fUseInt )
+ {
+ for ( i = 0; i < p->nAttrs; i++ )
+ if ( ((int *)p->pAttrs)[i] )
+ p->pFuncFreeObj( p->pManAttr, (void *)((int *)p->pAttrs)[i] );
+ }
+ else
+ {
+ for ( i = 0; i < p->nAttrs; i++ )
+ if ( p->pAttrs[i] )
+ p->pFuncFreeObj( p->pManAttr, p->pAttrs[i] );
+ }
+ }
+ // free the attribute manager
+ if ( p->pManAttr && p->pFuncFreeMan )
+ p->pFuncFreeMan( p->pManAttr );
+ // free the memory manager
+ if ( p->pManMem )
+ Extra_MmFixedStop( p->pManMem);
+ // free the attribute manager
+ FREE( p->pAttrs );
+ free( p );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Reads the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline int Attr_ManReadAttrInt( Attr_Man_t * p, int Id )
+{
+ assert( p->fUseInt );
+ if ( Id >= p->nAttrs )
+ return 0;
+ return ((int *)p->pAttrs)[Id];
+}
+
+/**Function*************************************************************
+
+ Synopsis [Reads the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void * Attr_ManReadAttrPtr( Attr_Man_t * p, int Id )
+{
+ assert( !p->fUseInt );
+ if ( Id >= p->nAttrs )
+ return NULL;
+ return p->pAttrs[Id];
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Attr_ManWriteAttrInt( Attr_Man_t * p, int Id, int Attr )
+{
+ assert( p->fUseInt );
+ ((int *)p->pAttrs)[Id] = Attr;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Attr_ManWriteAttrPtr( Attr_Man_t * p, int Id, void * pAttr )
+{
+ assert( !p->fUseInt );
+ assert( p->pManMem == NULL );
+ p->pAttrs[Id] = pAttr;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns or creates the pointer to the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline int * Attr_ManFetchSpotInt( Attr_Man_t * p, int Id )
+{
+ assert( p->fUseInt );
+ if ( Id >= p->nAttrs )
+ {
+ // save the old size
+ int i, nAttrsOld = p->nAttrs;
+ // get the new size
+ p->nAttrs = p->nAttrs? 2*p->nAttrs : 1024;
+ p->pAttrs = realloc( p->pAttrs, sizeof(int) * p->nAttrs );
+ // fill in the empty spots
+ for ( i = nAttrsOld; i < p->nAttrs; i++ )
+ ((int *)p->pAttrs)[Id] = 0;
+ }
+ return ((int *)p->pAttrs) + Id;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns or creates the pointer to the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void ** Attr_ManFetchSpotPtr( Attr_Man_t * p, int Id )
+{
+ assert( !p->fUseInt );
+ if ( Id >= p->nAttrs )
+ {
+ // save the old size
+ int i, nAttrsOld = p->nAttrs;
+ // get the new size
+ p->nAttrs = p->nAttrs? 2*p->nAttrs : 1024;
+ p->pAttrs = realloc( p->pAttrs, sizeof(void *) * p->nAttrs );
+ // fill in the empty spots
+ for ( i = nAttrsOld; i < p->nAttrs; i++ )
+ p->pAttrs[Id] = NULL;
+ }
+ // if memory manager is available but entry is not created, create it
+ if ( p->pManMem && p->pAttrs[Id] != NULL )
+ {
+ p->pAttrs[Id] = Extra_MmFixedEntryFetch( p->pManMem );
+ memset( p->pAttrs[Id], 0, p->nAttrSize );
+ }
+ return p->pAttrs + Id;
+}
+
+
+/**Function*************************************************************
+
+ Synopsis [Returns or creates the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline int Attr_ManFetchAttrInt( Attr_Man_t * p, int Id )
+{
+ return *Attr_ManFetchSpotInt( p, Id );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns or creates the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void * Attr_ManFetchAttrPtr( Attr_Man_t * p, int Id )
+{
+ return *Attr_ManFetchSpotPtr( p, Id );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Sets the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Attr_ManSetAttrInt( Attr_Man_t * p, int Id, int Attr )
+{
+ *Attr_ManFetchSpotInt( p, Id ) = Attr;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Sets the attribute of the given object.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Attr_ManSetAttrPtr( Attr_Man_t * p, int Id, void * pAttr )
+{
+ assert( p->pManMem == NULL );
+ *Attr_ManFetchSpotPtr( p, Id ) = pAttr;
+}
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
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