| /**************************************************************/ |
| /* ********************************************************** */ |
| /* * * */ |
| /* * COMPONENTS OF CLAUSES * */ |
| /* * * */ |
| /* * $Module: COMPONENT * */ |
| /* * * */ |
| /* * Copyright (C) 1996, 2000, 2001 MPI fuer Informatik * */ |
| /* * * */ |
| /* * This program is free software; you can redistribute * */ |
| /* * it and/or modify it under the terms of the GNU * */ |
| /* * General Public License as published by the Free * */ |
| /* * Software Foundation; either version 2 of the License, * */ |
| /* * or (at your option) any later version. * */ |
| /* * * */ |
| /* * This program is distributed in the hope that it will * */ |
| /* * be useful, but WITHOUT ANY WARRANTY; without even * */ |
| /* * the implied warranty of MERCHANTABILITY or FITNESS * */ |
| /* * FOR A PARTICULAR PURPOSE. See the GNU General Public * */ |
| /* * License for more details. * */ |
| /* * * */ |
| /* * You should have received a copy of the GNU General * */ |
| /* * Public License along with this program; if not, write * */ |
| /* * to the Free Software Foundation, Inc., 59 Temple * */ |
| /* * Place, Suite 330, Boston, MA 02111-1307 USA * */ |
| /* * * */ |
| /* * * */ |
| /* $Revision$ * */ |
| /* $State$ * */ |
| /* $Date$ * */ |
| /* $Author$ * */ |
| /* * * */ |
| /* * Contact: * */ |
| /* * Christoph Weidenbach * */ |
| /* * MPI fuer Informatik * */ |
| /* * Stuhlsatzenhausweg 85 * */ |
| /* * 66123 Saarbruecken * */ |
| /* * Email: weidenb@mpi-sb.mpg.de * */ |
| /* * Germany * */ |
| /* * * */ |
| /* ********************************************************** */ |
| /**************************************************************/ |
| |
| |
| /* $RCSfile$ */ |
| |
| #ifndef _COMPONENT_ |
| #define _COMPONENT_ |
| |
| /**************************************************************/ |
| /* Includes */ |
| /**************************************************************/ |
| |
| #include "list.h" |
| |
| /**************************************************************/ |
| /* Structures */ |
| /**************************************************************/ |
| |
| typedef struct cliteral { |
| BOOL used; /* Flag if the index is already used */ |
| int litindex; /* Index of the literal in the original clause */ |
| LIST litvarlist; /* List of variables of the literal */ |
| } *CLITERAL, CLITERAL_NODE; |
| |
| |
| typedef struct litptr { |
| CLITERAL *litptr; /* Array of Pointer to literals */ |
| int length; /* Number of literal in the array *litptr */ |
| } *LITPTR, LITPTR_NODE; |
| |
| /**************************************************************/ |
| /* Macros */ |
| /**************************************************************/ |
| |
| static __inline__ BOOL literal_GetUsed(CLITERAL C) |
| { |
| return C->used; |
| } |
| |
| static __inline__ int literal_GetLitIndex(CLITERAL C) |
| { |
| return C->litindex; |
| } |
| |
| static __inline__ LIST literal_GetLitVarList(CLITERAL C) |
| { |
| return C->litvarlist; |
| } |
| |
| static __inline__ void literal_PutUsed(CLITERAL C,BOOL Bool) |
| { |
| C->used = Bool; |
| } |
| |
| static __inline__ void literal_PutLitIndex(CLITERAL C, int I) |
| { |
| C->litindex = I; |
| } |
| |
| static __inline__ void literal_PutLitVarList(CLITERAL C, LIST L) |
| { |
| C->litvarlist = L; |
| } |
| |
| static __inline__ CLITERAL litptr_Literal(LITPTR C, int I) |
| { |
| return C->litptr[I]; |
| } |
| |
| static __inline__ void litptr_SetLiteral(LITPTR LP, int I, CLITERAL CL) |
| { |
| LP->litptr[I] = CL; |
| } |
| |
| |
| static __inline__ int litptr_Length(LITPTR C) |
| { |
| return C->length; |
| } |
| |
| static __inline__ void litptr_SetLength(LITPTR C, int n) |
| { |
| C->length = n; |
| } |
| |
| static __inline__ void litptr_IncLength(LITPTR C) |
| { |
| (C->length)++; |
| } |
| |
| static __inline__ void literal_Free(CLITERAL Lit) |
| { |
| memory_Free(Lit, sizeof(CLITERAL_NODE)); |
| } |
| |
| |
| /**************************************************************/ |
| /* Functions on a Component and on a Literal */ |
| /**************************************************************/ |
| |
| CLITERAL literal_Create(BOOL, int, LIST); |
| void literal_Delete(CLITERAL); |
| |
| LITPTR litptr_Create(LIST, LIST); |
| void litptr_Delete(LITPTR); |
| void litptr_Print(LITPTR); |
| BOOL litptr_AllUsed(LITPTR); |
| |
| |
| #endif |