1882 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1882 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /******************************************************************************\
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| *                                                                              *
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| *    SimpleCUDD library (www.cs.kuleuven.be/~theo/tools/simplecudd.html)       *
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| *  SimpleCUDD was developed at Katholieke Universiteit Leuven(www.kuleuven.be) *
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| *                                                                              *
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| *  Copyright Katholieke Universiteit Leuven 2008, 2009, 2010                   *
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| *                                                                              *
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| *  Author: Theofrastos Mantadelis                                              *
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| *  File: simplecudd.c                                                          *
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| *  $Date:: 2011-04-11 17:23:11 +0200 (Mon, 11 Apr 2011)                      $ *
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| *  $Revision:: 5920                                                          $ *
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| *                                                                              *
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| ********************************************************************************
 | |
| *                                                                              *
 | |
| * Artistic License 2.0                                                         *
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| *                                                                              *
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| * Copyright (c) 2000-2006, The Perl Foundation.                                *
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| *                                                                              *
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| * Everyone is permitted to copy and distribute verbatim copies of this license *
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| * document, but changing it is not allowed.                                    *
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| *                                                                              *
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| * Preamble                                                                     *
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| *                                                                              *
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| * This license establishes the terms under which a given free software Package *
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| * may be copied, modified, distributed, and/or redistributed. The intent is    *
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| * open source and free software.                                               *
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| *                                                                              *
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| *         The End                                                              *
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| *                                                                              *
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| \******************************************************************************/
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| 
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| 
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| #include "simplecudd.h"
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| 
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| /* BDD manager initialization */
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| 
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| int _debug = 0;
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| int _RapidLoad = 0;
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| int _maxbufsize = 0;
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| 
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| DdManager* simpleBDDinit(int varcnt) {
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|   DdManager *temp;
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|   temp = Cudd_Init(varcnt, 0, CUDD_UNIQUE_SLOTS, CUDD_CACHE_SLOTS, 0);
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|   Cudd_AutodynEnable(temp, CUDD_REORDER_GROUP_SIFT);
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|   Cudd_SetMaxCacheHard(temp, 1024*1024*1024);
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|   Cudd_SetLooseUpTo(temp, 1024*1024*512);
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|   if (_debug) Cudd_EnableReorderingReporting(temp);
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|   return temp;
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| }
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| 
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| DdManager* simpleBDDinitNoReOrder(int varcnt) {
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|   DdManager *temp;
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|   temp = Cudd_Init(varcnt, 0, CUDD_UNIQUE_SLOTS, CUDD_CACHE_SLOTS, 0);
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|   Cudd_AutodynDisable(temp);//  Cudd_AutodynEnable(temp, CUDD_REORDER_NONE);
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|   Cudd_SetMaxCacheHard(temp, 1024*1024*1024);
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|   Cudd_SetLooseUpTo(temp, 1024*1024*512);
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|   if (_debug) Cudd_EnableReorderingReporting(temp);
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|   return temp;
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| }
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| 
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| /* BDD tree travesrsing */
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| 
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| DdNode* HighNodeOf(DdManager *manager, DdNode *node) {
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|   DdNode *tmp;
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|   if (IsHigh(manager, node)) return HIGH(manager);
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|   if (IsLow(manager, node)) return LOW(manager);
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|   tmp = Cudd_Regular(node);
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|   if (Cudd_IsComplement(node)) return NOT(tmp->type.kids.T);
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|   return tmp->type.kids.T;
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| }
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| 
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| DdNode* LowNodeOf(DdManager *manager, DdNode *node) {
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|   DdNode *tmp;
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|   if (IsHigh(manager, node)) return HIGH(manager);
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|   if (IsLow(manager, node)) return LOW(manager);
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|   tmp = Cudd_Regular(node);
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|   if (Cudd_IsComplement(node)) return NOT(tmp->type.kids.E);
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|   return tmp->type.kids.E;
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| }
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| 
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| /* BDD tree generation */
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| 
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| DdNode* D_BDDAnd(DdManager *manager, DdNode *bdd1, DdNode *bdd2) {
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|   DdNode *tmp;
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|   Cudd_Ref(bdd1);
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|   tmp = Cudd_bddAnd(manager, bdd1, bdd2);
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|   Cudd_Ref(tmp);
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|   //Cudd_RecursiveDeref(manager, bdd2);
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|   return tmp;
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| }
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| 
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| DdNode* D_BDDNand(DdManager *manager, DdNode *bdd1, DdNode *bdd2) {
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|   DdNode *tmp;
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|   Cudd_Ref(bdd1);
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|   tmp = Cudd_bddNand(manager, bdd1, bdd2);
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|   Cudd_Ref(tmp);
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|   //Cudd_RecursiveDeref(manager, bdd2);
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|   return tmp;
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| }
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| 
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| DdNode* D_BDDOr(DdManager *manager, DdNode *bdd1, DdNode *bdd2) {
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|   DdNode *tmp;
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|   Cudd_Ref(bdd1);
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|   tmp = Cudd_bddOr(manager, bdd1, bdd2);
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|   Cudd_Ref(tmp);
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|   //Cudd_RecursiveDeref(manager, bdd2);
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|   return tmp;
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| }
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| 
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| DdNode* D_BDDNor(DdManager *manager, DdNode *bdd1, DdNode *bdd2) {
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|   DdNode *tmp;
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|   Cudd_Ref(bdd1);
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|   tmp = Cudd_bddNor(manager, bdd1, bdd2);
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|   Cudd_Ref(tmp);
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|   //Cudd_RecursiveDeref(manager, bdd2);
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|   return tmp;
 | |
| }
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| 
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| DdNode* D_BDDXor(DdManager *manager, DdNode *bdd1, DdNode *bdd2) {
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|   DdNode *tmp;
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|   Cudd_Ref(bdd1);
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|   tmp = Cudd_bddXor(manager, bdd1, bdd2);
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|   Cudd_Ref(tmp);
 | |
|   //Cudd_RecursiveDeref(manager, bdd2);
 | |
|   return tmp;
 | |
| }
 | |
| 
 | |
| DdNode* D_BDDXnor(DdManager *manager, DdNode *bdd1, DdNode *bdd2) {
 | |
|   DdNode *tmp;
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|   Cudd_Ref(bdd1);
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|   tmp = Cudd_bddXnor(manager, bdd1, bdd2);
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|   Cudd_Ref(tmp);
 | |
|   //Cudd_RecursiveDeref(manager, bdd2);
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|   return tmp;
 | |
| }
 | |
| 
 | |
| /* file manipulation */
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| 
 | |
| bddfileheader ReadFileHeader(char *filename) {
 | |
|   bddfileheader temp;
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|   char *header;
 | |
|   temp.inputfile = NULL;
 | |
|   temp.version = 0;
 | |
|   temp.varcnt = 0;
 | |
|   temp.varstart = 0;
 | |
|   temp.intercnt = 0;
 | |
|   temp.filetype = BDDFILE_OTHER;
 | |
|   if ((temp.inputfile = fopen(filename, "r")) == NULL) {
 | |
|     perror(filename);
 | |
|     temp.filetype = BDDFILE_ERROR;
 | |
|     return temp;
 | |
|   }
 | |
|   // Read file header
 | |
|   if (!feof(temp.inputfile)) {
 | |
|     header = freadline(temp.inputfile);
 | |
|     temp.version = CheckFileVersion(header);
 | |
|     if (temp.version > -1) temp.filetype = (strlen(header) == 5) * BDDFILE_SCRIPT + (strlen(header) == 7) * BDDFILE_NODEDUMP;
 | |
|     free(header);
 | |
|     switch (temp.filetype) {
 | |
|       case BDDFILE_SCRIPT:
 | |
|         switch (temp.version) {
 | |
|           case 1:
 | |
|           case 2:
 | |
|             fscanf(temp.inputfile, "%i\n", &temp.varcnt);
 | |
|             fscanf(temp.inputfile, "%i\n", &temp.varstart);
 | |
|             fscanf(temp.inputfile, "%i\n", &temp.intercnt);
 | |
|             break;
 | |
|           default:
 | |
|             fclose(temp.inputfile);
 | |
|             temp.inputfile = NULL;
 | |
|             break;
 | |
|         }
 | |
|         break;
 | |
|       case BDDFILE_NODEDUMP:
 | |
|         switch (temp.version) {
 | |
|           case 1:
 | |
|             fscanf(temp.inputfile, "%i\n", &temp.varcnt);
 | |
|             fscanf(temp.inputfile, "%i\n", &temp.varstart);
 | |
|             break;
 | |
|           default:
 | |
|             fclose(temp.inputfile);
 | |
|             temp.inputfile = NULL;
 | |
|             break;
 | |
|         }
 | |
|         break;
 | |
|       case BDDFILE_OTHER:
 | |
|         fclose(temp.inputfile);
 | |
|         temp.inputfile = NULL;
 | |
|         break;
 | |
|       default:
 | |
|         fclose(temp.inputfile);
 | |
|         temp.inputfile = NULL;
 | |
|         break;
 | |
|     }
 | |
|   }
 | |
|   return temp;
 | |
| }
 | |
| 
 | |
| int CheckFileVersion(const char *version) {
 | |
|   if (strlen(version) < 5) return -1;
 | |
|   if (strlen(version) == 5 && version[0] == '@' && version[1] == 'B' && version[2] == 'D' && version[3] == 'D') return atoi(version + 4);
 | |
|   if (strlen(version) == 7 && version[0] == '@' && version[1] == 'N' && version[2] == 'O' && version[3] == 'D'
 | |
|                            && version[4] == 'E' && version[5] == 'S') return atoi(version + 6);
 | |
|   return -1;
 | |
| }
 | |
| 
 | |
| int simpleBDDtoDot(DdManager *manager, DdNode *bdd, char *filename) {
 | |
|   DdNode *f[1];
 | |
|   int ret;
 | |
|   FILE *fd;
 | |
|   f[0] = Cudd_BddToAdd(manager, bdd);
 | |
|   fd = fopen(filename, "w");
 | |
|   if (fd == NULL) {
 | |
|     perror(filename);
 | |
|     return -1;
 | |
|   }
 | |
|   ret = Cudd_DumpDot(manager, 1, f, NULL, NULL, fd);
 | |
|   fclose(fd);
 | |
|   return ret;
 | |
| }
 | |
| 
 | |
| int simpleNamedBDDtoDot(DdManager *manager, namedvars varmap, DdNode *bdd, char *filename) {
 | |
|   DdNode *f[1];
 | |
|   int ret;
 | |
|   FILE *fd;
 | |
|   // Reordering until getting the optimal bdd //
 | |
| /*  Cudd_AutodynDisable(manager);
 | |
|   Cudd_ReduceHeap(manager, CUDD_REORDER_SIFT_CONVERGE, 1);*/
 | |
|   // better before making an ADD //
 | |
|   f[0] = Cudd_BddToAdd(manager, bdd);
 | |
|   fd = fopen(filename, "w");
 | |
|   if (fd == NULL) {
 | |
|     perror(filename);
 | |
|     return -1;
 | |
|   }
 | |
|   ret = Cudd_DumpDot(manager, 1, f, varmap.vars, NULL, fd);
 | |
|   fclose(fd);
 | |
|   return ret;
 | |
| }
 | |
| 
 | |
| int SaveNodeDump(DdManager *manager, namedvars varmap, DdNode *bdd, char *filename) {
 | |
|   hisqueue *Nodes;
 | |
|   FILE *outputfile;
 | |
|   int i;
 | |
|   if ((outputfile = fopen(filename, "w")) == NULL) {
 | |
|     perror(filename);
 | |
|     return -1;
 | |
|   }
 | |
|   fprintf(outputfile, "%s\n%i\n%i\n", "@NODES1", varmap.varcnt, varmap.varstart);
 | |
|   Nodes = InitHistory(varmap.varcnt);
 | |
|   for (i = 0; i < varmap.varcnt; i++)
 | |
|     fprintf(outputfile, "%s\t%i\n", varmap.vars[i], Cudd_ReadPerm(manager, i));
 | |
|   if (bdd == HIGH(manager)) fprintf(outputfile, "TRUE\t0\tTRUE\t0\tTRUE\t0\n");
 | |
|   else if (bdd == LOW(manager)) fprintf(outputfile, "FALSE\t0\tFALSE\t0\tFALSE\t0\n");
 | |
|   else SaveExpand(manager, varmap, Nodes, bdd, outputfile);
 | |
|   ReInitHistory(Nodes, varmap.varcnt);
 | |
|   free(Nodes);
 | |
|   fclose(outputfile);
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| void SaveExpand(DdManager *manager, namedvars varmap, hisqueue *Nodes, DdNode *Current, FILE *outputfile) {
 | |
|   DdNode *h, *l;
 | |
|   hisnode *Found;
 | |
|   char *curnode;
 | |
|   int inode;
 | |
|   if (Current != HIGH(manager) && Current != LOW(manager)) {
 | |
|     if ((Found = GetNode(Nodes, varmap.varstart, Current)) == NULL) {
 | |
|       AddNode(Nodes, varmap.varstart, Current, 0.0, 0, NULL);
 | |
|       Found = GetNode(Nodes, varmap.varstart, Current);
 | |
|     }
 | |
|     if (!(Found->ivalue)) {
 | |
|       Found->ivalue = 1;
 | |
|       curnode = GetNodeVarNameDisp(manager, varmap, Current);
 | |
|       inode = GetNodeIndex(Nodes, varmap.varstart, Current);
 | |
|       fprintf(outputfile, "%s\t%i\t", curnode, inode);
 | |
|       h = HighNodeOf(manager, Current);
 | |
|       if (h == HIGH(manager)) {
 | |
|         fprintf(outputfile, "TRUE\t0\t");
 | |
|       } else if (h == LOW(manager)) {
 | |
|         fprintf(outputfile, "FALSE\t0\t");
 | |
|       } else {
 | |
|         if (GetNode(Nodes, varmap.varstart, h) == NULL) AddNode(Nodes, varmap.varstart, h, 0.0, 0, NULL);
 | |
|         curnode = GetNodeVarNameDisp(manager, varmap, h);
 | |
|         inode = GetNodeIndex(Nodes, varmap.varstart, h);
 | |
|         fprintf(outputfile, "%s\t%i\t", curnode, inode);
 | |
|       }
 | |
|       l = LowNodeOf(manager, Current);
 | |
|       if (l == HIGH(manager)) {
 | |
|         fprintf(outputfile, "TRUE\t0\n");
 | |
|       } else if (l == LOW(manager)) {
 | |
|         fprintf(outputfile, "FALSE\t0\n");
 | |
|       } else {
 | |
|         if (GetNode(Nodes, varmap.varstart, l) == NULL) AddNode(Nodes, varmap.varstart, l, 0.0, 0, NULL);
 | |
|         curnode = GetNodeVarNameDisp(manager, varmap, l);
 | |
|         inode = GetNodeIndex(Nodes, varmap.varstart, l);
 | |
|         fprintf(outputfile, "%s\t%i\n", curnode, inode);
 | |
|       }
 | |
|       SaveExpand(manager, varmap, Nodes, l, outputfile);
 | |
|       SaveExpand(manager, varmap, Nodes, h, outputfile);
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| DdNode * LoadNodeDump(DdManager *manager, namedvars varmap, FILE *inputfile) {
 | |
|   hisqueue *Nodes;
 | |
|   nodeline temp;
 | |
|   DdNode *ret;
 | |
|   int i, pos, *perm;
 | |
|   char *varnam;
 | |
|   perm = (int *) malloc(sizeof(int) * varmap.varcnt);
 | |
|   Nodes = InitHistory(varmap.varcnt);
 | |
|   for (i = 0; i < varmap.varcnt; i++) {
 | |
|     varnam = freadstr(inputfile, "\t");
 | |
|     pos = atoi(freadstr(inputfile, "\n"));
 | |
|     AddNamedVarAt(varmap, varnam, pos);
 | |
|     perm[pos] = pos;
 | |
|   }
 | |
|   temp.varname = freadstr(inputfile, "\t");
 | |
|   fscanf(inputfile, "%i\t", &temp.nodenum);
 | |
|   temp.truevar = freadstr(inputfile, "\t");
 | |
|   fscanf(inputfile, "%i\t", &temp.truenode);
 | |
|   temp.falsevar = freadstr(inputfile, "\t");
 | |
|   fscanf(inputfile, "%i\n", &temp.falsenode);
 | |
|   ret = LoadNodeRec(manager, varmap, Nodes, inputfile, temp);
 | |
|   free(temp.varname);
 | |
|   free(temp.truevar);
 | |
|   free(temp.falsevar);
 | |
|   fclose(inputfile);
 | |
|   ReInitHistory(Nodes, varmap.varcnt);
 | |
|   free(Nodes);
 | |
|   Cudd_Ref(ret);
 | |
|   Cudd_ShuffleHeap(manager, perm);
 | |
|   for (i = 0; i < varmap.varcnt; i++) varmap.ivalue[i] = 0;
 | |
|   return ret;
 | |
| }
 | |
| 
 | |
| DdNode * LoadNodeRec(DdManager *manager, namedvars varmap, hisqueue *Nodes, FILE *inputfile, nodeline current) {
 | |
|   nodeline temp;
 | |
|   DdNode *newnode, *truenode, *falsenode;
 | |
|   int index;
 | |
|   newnode = GetIfExists(manager, varmap, Nodes, current.varname, current.nodenum);
 | |
|   if (newnode != NULL) return newnode;
 | |
|   falsenode = GetIfExists(manager, varmap, Nodes, current.falsevar, current.falsenode);
 | |
|   if (falsenode == NULL) {
 | |
|     temp.varname = freadstr(inputfile, "\t");
 | |
|     fscanf(inputfile, "%i\t", &temp.nodenum);
 | |
|     temp.truevar = freadstr(inputfile, "\t");
 | |
|     fscanf(inputfile, "%i\t", &temp.truenode);
 | |
|     temp.falsevar = freadstr(inputfile, "\t");
 | |
|     fscanf(inputfile, "%i\n", &temp.falsenode);
 | |
|     falsenode = LoadNodeRec(manager, varmap, Nodes, inputfile, temp);
 | |
|     free(temp.varname);
 | |
|     free(temp.truevar);
 | |
|     free(temp.falsevar);
 | |
|   }
 | |
|   truenode = GetIfExists(manager, varmap, Nodes, current.truevar, current.truenode);
 | |
|   if (truenode == NULL) {
 | |
|     temp.varname = freadstr(inputfile, "\t");
 | |
|     fscanf(inputfile, "%i\t", &temp.nodenum);
 | |
|     temp.truevar = freadstr(inputfile, "\t");
 | |
|     fscanf(inputfile, "%i\t", &temp.truenode);
 | |
|     temp.falsevar = freadstr(inputfile, "\t");
 | |
|     fscanf(inputfile, "%i\n", &temp.falsenode);
 | |
|     truenode = LoadNodeRec(manager, varmap, Nodes, inputfile, temp);
 | |
|     free(temp.varname);
 | |
|     free(temp.truevar);
 | |
|     free(temp.falsevar);
 | |
|   }
 | |
|   index = GetNamedVarIndex(varmap, current.varname);
 | |
|   if (!varmap.ivalue[index]) {
 | |
|     varmap.ivalue[index] = 1;
 | |
|     newnode = GetVar(manager, varmap.varstart + index);
 | |
|     //Cudd_RecursiveDeref(manager, newnode->type.kids.T);
 | |
|     //Cudd_RecursiveDeref(manager, newnode->type.kids.E);
 | |
|     newnode->type.kids.T = Cudd_NotCond(truenode, Cudd_IsComplement(truenode));
 | |
|     newnode->type.kids.E = Cudd_NotCond(falsenode, Cudd_IsComplement(truenode));
 | |
|     Cudd_Ref(newnode->type.kids.T);
 | |
|     Cudd_Ref(newnode->type.kids.E);
 | |
|     Cudd_Ref(newnode);
 | |
|   } else {
 | |
|     if (_RapidLoad == 1) {
 | |
|       newnode = cuddAllocNode(manager);
 | |
|       if (newnode != NULL) {
 | |
|         newnode->index = varmap.varstart + index;
 | |
|         newnode->type.kids.T = Cudd_NotCond(truenode, Cudd_IsComplement(truenode));
 | |
|         newnode->type.kids.E = Cudd_NotCond(falsenode, Cudd_IsComplement(truenode));
 | |
|         Cudd_Ref(newnode->type.kids.T);
 | |
|         Cudd_Ref(newnode->type.kids.E);
 | |
|         Cudd_Ref(newnode);
 | |
|       }
 | |
|     } else {
 | |
|       newnode = cuddUniqueInter(manager, varmap.varstart + index, Cudd_NotCond(truenode, Cudd_IsComplement(truenode)), Cudd_NotCond(falsenode, Cudd_IsComplement(truenode)));
 | |
|       if (newnode != NULL) {
 | |
|         Cudd_Ref(newnode);
 | |
|       } else {
 | |
|         newnode = cuddAllocNode(manager);
 | |
|         if (newnode != NULL) {
 | |
|           newnode->index = varmap.varstart + index;
 | |
|           newnode->type.kids.T = Cudd_NotCond(truenode, Cudd_IsComplement(truenode));
 | |
|           newnode->type.kids.E = Cudd_NotCond(falsenode, Cudd_IsComplement(truenode));
 | |
|           Cudd_Ref(newnode->type.kids.T);
 | |
|           Cudd_Ref(newnode->type.kids.E);
 | |
|           Cudd_Ref(newnode);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
|   if (newnode != NULL) {
 | |
|     Nodes[index].thenode[current.nodenum].key = Cudd_NotCond(newnode, Cudd_IsComplement(truenode));
 | |
|     return Cudd_NotCond(newnode, Cudd_IsComplement(truenode));
 | |
|   }
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| DdNode * GetIfExists(DdManager *manager, namedvars varmap, hisqueue *Nodes, char *varname, int nodenum) {
 | |
|   int index;
 | |
|   if (strcmp(varname, "TRUE") == 0) return HIGH(manager);
 | |
|   if (strcmp(varname, "FALSE") == 0) return LOW(manager);
 | |
|   index = GetNamedVarIndex(varmap, varname);
 | |
|   if (index == -1 * varmap.varcnt) {
 | |
|     fprintf(stderr, "Error: more variables requested than initialized.\n");
 | |
|     exit(-1);
 | |
|   }
 | |
|   if ((index < 0) || (index == 0 && varmap.vars[0] == NULL)) {
 | |
|     index = AddNamedVar(varmap, varname);
 | |
|   }
 | |
|   ExpandNodes(Nodes, index, nodenum);
 | |
|   if (Nodes[index].thenode[nodenum].key != NULL) return Nodes[index].thenode[nodenum].key;
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| void ExpandNodes(hisqueue *Nodes, int index, int nodenum) {
 | |
|   int i;
 | |
|   if (Nodes[index].cnt > nodenum) return;
 | |
|   Nodes[index].thenode = (hisnode *) realloc(Nodes[index].thenode, (nodenum + 1) * sizeof(hisnode));
 | |
|   for (i = Nodes[index].cnt; i < nodenum + 1; i++) {
 | |
|     Nodes[index].thenode[i].key = NULL;
 | |
|     Nodes[index].thenode[i].ivalue = 0;
 | |
|     Nodes[index].thenode[i].dvalue = 0.0;
 | |
|     Nodes[index].thenode[i].dynvalue = NULL;
 | |
|   }
 | |
|   Nodes[index].cnt = nodenum + 1;
 | |
| }
 | |
| 
 | |
| char** GetVariableOrder(char *filename, int varcnt) {
 | |
|   FILE *data;
 | |
|   char *dataread, buf, **varname;
 | |
|   int icur = 0, maxbufsize = 10, index = -1;
 | |
|   if ((data = fopen(filename, "r")) == NULL) {
 | |
|     perror(filename);
 | |
|     return NULL;
 | |
|   }
 | |
|   varname = (char **) malloc(sizeof(char *) * varcnt);
 | |
|   dataread = (char *) malloc(sizeof(char) * maxbufsize);
 | |
|   while(!feof(data)) {
 | |
|     fread(&buf, 1, 1, data);
 | |
|     if (buf == '\n') {
 | |
|       dataread[icur] = '\0';
 | |
|       icur = 0;
 | |
|       buf = ' ';
 | |
|       if (dataread[0] == '@') {
 | |
|         index++;
 | |
|         varname[index] = (char *) malloc(sizeof(char) * strlen(dataread));
 | |
|         strcpy(varname[index], dataread + 1);
 | |
|       }
 | |
|     } else {
 | |
|       dataread[icur] = buf;
 | |
|       icur++;
 | |
|       if (icur == _maxbufsize) {
 | |
|         fprintf(stderr, "Error: Maximum buffer size(%i) exceeded.\n", _maxbufsize);
 | |
|         fclose(data);
 | |
|         free(varname);
 | |
|         free(dataread);
 | |
|         return NULL;
 | |
|       }
 | |
|       while (icur > maxbufsize - 1) {
 | |
|         maxbufsize *= 2;
 | |
|         dataread = (char *) realloc(dataread, sizeof(char) * maxbufsize);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
|   fclose(data);
 | |
|   free(dataread);
 | |
|   for(icur=index+1; icur < varcnt; icur++)
 | |
|     varname[icur] = NULL;
 | |
|   return varname;
 | |
| }
 | |
| 
 | |
| int LoadVariableData(namedvars varmap, char *filename) {
 | |
|   FILE *data;
 | |
|   char *dataread, buf, *varname, *dynvalue;
 | |
|   double dvalue = 0.0;
 | |
|   int icur = 0, maxbufsize = 10, hasvar = 0, index = -1, idat = 0, ivalue = 0;
 | |
|   dynvalue = NULL; varname = NULL;
 | |
|   if ((data = fopen(filename, "r")) == NULL) {
 | |
|     perror(filename);
 | |
|     return -1;
 | |
|   }
 | |
|   dataread = (char *) malloc(sizeof(char) * maxbufsize);
 | |
|   while(!feof(data)) {
 | |
|     fread(&buf, 1, 1, data);
 | |
|     if ((buf == '\n') && icur == 0) {
 | |
|       // ignore empty lines
 | |
|     } else if (buf == '\n') {
 | |
|       dataread[icur] = '\0';
 | |
|       icur = 0;
 | |
|       buf = ' ';
 | |
|       if (dataread[0] == '@') {
 | |
|         if (hasvar) {
 | |
|           for (index = 0; index < varmap.varcnt; index++) {
 | |
|             if ((varmap.vars[index] != NULL) && (patternmatch(varname, varmap.vars[index]))) {
 | |
|               varmap.loaded[index] = 1;
 | |
|               varmap.dvalue[index] = dvalue;
 | |
|               varmap.ivalue[index] = ivalue;
 | |
|               if (varmap.dynvalue[index] != NULL) {
 | |
|                 free(varmap.dynvalue[index]);
 | |
|                 varmap.dynvalue[index] = NULL;
 | |
|               }
 | |
|               if (dynvalue != NULL) {
 | |
|                 varmap.dynvalue[index] = (void *) malloc(sizeof(char) * (strlen(dynvalue) + 1));
 | |
|                 strcpy(varmap.dynvalue[index], dynvalue);
 | |
|               }
 | |
|             }
 | |
|           }
 | |
|           dvalue = 0.0;
 | |
|           ivalue = 0;
 | |
|           if (dynvalue != NULL) {
 | |
|             free(dynvalue);
 | |
|             dynvalue = NULL;
 | |
|           }
 | |
|           free(varname);
 | |
|         }
 | |
|         varname = (char *) malloc(sizeof(char) * strlen(dataread));
 | |
|         strcpy(varname, dataread + 1);
 | |
|         hasvar = 1;
 | |
|         idat = 0;
 | |
|       } else {
 | |
|         if (hasvar >= 0) {
 | |
|           switch(idat) {
 | |
|             case 0:
 | |
|               if (!getRealNumber(dataread, &dvalue)) {
 | |
|                 fprintf(stderr, "Error at file: %s. Variable: %s can't have non real value: %s.\n", filename, varname, dataread);
 | |
|                 fclose(data);
 | |
|                 free(varname);
 | |
|                 free(dataread);
 | |
|                 return -2;
 | |
|               }
 | |
|               idat++;
 | |
|               break;
 | |
|             case 1:
 | |
|               if (!getIntNumber(dataread, &ivalue)) {
 | |
|                 fprintf(stderr, "Error at file: %s. Variable: %s can't have non integer value: %s.\n", filename, varname, dataread);
 | |
|                 fclose(data);
 | |
|                 free(varname);
 | |
|                 free(dataread);
 | |
|                 return -2;
 | |
|               }
 | |
|               idat++;
 | |
|               break;
 | |
|             case 2:
 | |
|               dynvalue = malloc(sizeof(char) * (strlen(dataread) + 1));
 | |
|               strcpy(dynvalue, dataread);
 | |
|               break;
 | |
|           }
 | |
|         }
 | |
|       }
 | |
|     } else {
 | |
|       dataread[icur] = buf;
 | |
|       icur++;
 | |
|       if (icur == _maxbufsize) {
 | |
|         fprintf(stderr, "Error: Maximum buffer size(%i) exceeded.\n", _maxbufsize);
 | |
|         fclose(data);
 | |
|         free(varname);
 | |
|         free(dataread);
 | |
|         return -2;
 | |
|       }
 | |
|       while (icur > maxbufsize - 1) {
 | |
|         maxbufsize *= 2;
 | |
|         dataread = (char *) realloc(dataread, sizeof(char) * maxbufsize);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
|   if (hasvar) {
 | |
|     for (index = 0; index < varmap.varcnt; index++) {
 | |
|       if ((varmap.vars[index] != NULL) && (patternmatch(varname, varmap.vars[index]))) {
 | |
|         varmap.loaded[index] = 1;
 | |
|         varmap.dvalue[index] = dvalue;
 | |
|         varmap.ivalue[index] = ivalue;
 | |
|         if (dynvalue != NULL) {
 | |
|           varmap.dynvalue[index] = (void *) malloc(sizeof(char) * (strlen(dynvalue) + 1));
 | |
|           strcpy(varmap.dynvalue[index], dynvalue);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     if (dynvalue != NULL) {
 | |
|       free(dynvalue);
 | |
|       dynvalue = NULL;
 | |
|     }
 | |
|     free(varname);
 | |
|   }
 | |
|   fclose(data);
 | |
|   free(dataread);
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| /* Queue for node storing to avoid loops */
 | |
| 
 | |
| hisqueue* InitHistory(int varcnt) {
 | |
|   int i;
 | |
|   hisqueue *HisQueue;
 | |
|   HisQueue = (hisqueue *) malloc(sizeof(hisqueue) * varcnt);
 | |
|   for (i = 0; i < varcnt; i++) {
 | |
|     HisQueue[i].thenode = NULL;
 | |
|     HisQueue[i].cnt = 0;
 | |
|   }
 | |
|   return HisQueue;
 | |
| }
 | |
| 
 | |
| void ReInitHistory(hisqueue *HisQueue, int varcnt) {
 | |
|   int i, j;
 | |
|   for (i = 0; i < varcnt; i++) {
 | |
|     if (HisQueue[i].thenode != NULL) {
 | |
|       for (j = 0; j < HisQueue[i].cnt; j++)
 | |
|         if (HisQueue[i].thenode[j].dynvalue != NULL) free(HisQueue[i].thenode[j].dynvalue);
 | |
|       free(HisQueue[i].thenode);
 | |
|       HisQueue[i].thenode = NULL;
 | |
|     }
 | |
|     HisQueue[i].cnt = 0;
 | |
|   }
 | |
| }
 | |
| 
 | |
| void AddNode(hisqueue *HisQueue, int varstart, DdNode *node, double dvalue, int ivalue, void *dynvalue) {
 | |
|   int index = GetIndex(node) - varstart;
 | |
|   HisQueue[index].thenode = (hisnode *) realloc(HisQueue[index].thenode, (HisQueue[index].cnt + 1) * sizeof(hisnode));
 | |
|   HisQueue[index].thenode[HisQueue[index].cnt].key = node;
 | |
|   HisQueue[index].thenode[HisQueue[index].cnt].dvalue = dvalue;
 | |
|   HisQueue[index].thenode[HisQueue[index].cnt].ivalue = ivalue;
 | |
|   HisQueue[index].thenode[HisQueue[index].cnt].dynvalue = dynvalue;
 | |
|   HisQueue[index].cnt += 1;
 | |
| }
 | |
| 
 | |
| hisnode* GetNode(hisqueue *HisQueue, int varstart, DdNode *node) {
 | |
|   int i;
 | |
|   int index = GetIndex(node) - varstart;
 | |
|   for(i = 0; i < HisQueue[index].cnt; i++) {
 | |
|     if (HisQueue[index].thenode[i].key == node) return &(HisQueue[index].thenode[i]);
 | |
|   }
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| int GetNodeIndex(hisqueue *HisQueue, int varstart, DdNode *node) {
 | |
|   int i;
 | |
|   int index = GetIndex(node) - varstart;
 | |
|   for(i = 0; i < HisQueue[index].cnt; i++) {
 | |
|     if (HisQueue[index].thenode[i].key == node) return i;
 | |
|   }
 | |
|   return -1;
 | |
| }
 | |
| 
 | |
| /* Named variables */
 | |
| 
 | |
| namedvars InitNamedVars(int varcnt, int varstart) {
 | |
|   namedvars temp;
 | |
|   int i;
 | |
|   temp.varcnt = varcnt;
 | |
|   temp.varstart = varstart;
 | |
|   temp.vars = (char **) malloc(sizeof(char *) * varcnt);
 | |
|   temp.loaded = (int *) malloc(sizeof(int) * varcnt);
 | |
|   temp.dvalue = (double *) malloc(sizeof(double) * varcnt);
 | |
|   temp.ivalue = (int *) malloc(sizeof(int) * varcnt);
 | |
|   temp.dynvalue = (void **) malloc(sizeof(void *) * varcnt);
 | |
|   for (i = 0; i < varcnt; i++) {
 | |
|     temp.vars[i] = NULL;
 | |
|     temp.loaded[i] = 0;
 | |
|     temp.dvalue[i] = 0.0;
 | |
|     temp.ivalue[i] = 0;
 | |
|     temp.dynvalue[i] = NULL;
 | |
|   }
 | |
|   return temp;
 | |
| }
 | |
| 
 | |
| void EnlargeNamedVars(namedvars *varmap, int newvarcnt) {
 | |
|   int i;
 | |
|   varmap->vars = (char **) realloc(varmap->vars, sizeof(char *) * newvarcnt);
 | |
|   varmap->loaded = (int *) realloc(varmap->loaded, sizeof(int) * newvarcnt);
 | |
|   varmap->dvalue = (double *) realloc(varmap->dvalue, sizeof(double) * newvarcnt);
 | |
|   varmap->ivalue = (int *) realloc(varmap->ivalue, sizeof(int) * newvarcnt);
 | |
|   varmap->dynvalue = (void **) realloc(varmap->dynvalue, sizeof(void *) * newvarcnt);
 | |
|   for (i = varmap->varcnt; i < newvarcnt; i++) {
 | |
|     varmap->vars[i] = NULL;
 | |
|     varmap->loaded[i] = 0;
 | |
|     varmap->dvalue[i] = 0.0;
 | |
|     varmap->ivalue[i] = 0;
 | |
|     varmap->dynvalue[i] = NULL;
 | |
|   }
 | |
|   varmap->varcnt = newvarcnt;
 | |
| }
 | |
| 
 | |
| int AddNamedVarAt(namedvars varmap, const char *varname, int index) {
 | |
|   if (varmap.varcnt > index) {
 | |
|     varmap.vars[index] = (char *) malloc(sizeof(char) * (strlen(varname) + 1));
 | |
|     strcpy(varmap.vars[index], varname);
 | |
|     return index;
 | |
|   }
 | |
|   return -1;
 | |
| }
 | |
| 
 | |
| int AddNamedVar(namedvars varmap, const char *varname) {
 | |
|   int index = GetNamedVarIndex(varmap, varname);
 | |
|   if (index == -1 * varmap.varcnt) {
 | |
|     return -1;
 | |
|   } else if ((index < 0) || (index == 0 && varmap.vars[0] == NULL)) {
 | |
|     index *= -1;
 | |
|     varmap.vars[index] = (char *) malloc(sizeof(char) * (strlen(varname) + 1));
 | |
|     strcpy(varmap.vars[index], varname);
 | |
|   }
 | |
|   return index;
 | |
| }
 | |
| 
 | |
| void SetNamedVarValuesAt(namedvars varmap, int index, double dvalue, int ivalue, void *dynvalue) {
 | |
|   varmap.dvalue[index] = dvalue;
 | |
|   varmap.ivalue[index] = ivalue;
 | |
|   varmap.dynvalue[index] = dynvalue;
 | |
| }
 | |
| 
 | |
| int SetNamedVarValues(namedvars varmap, const char *varname, double dvalue, int ivalue, void *dynvalue) {
 | |
|   int index = GetNamedVarIndex(varmap, varname);
 | |
|   if (index == -1 * varmap.varcnt) {
 | |
|     return -1;
 | |
|   } else if ((index < 0) || (index == 0 && varmap.vars[0] == NULL)) {
 | |
|     index *= -1;
 | |
|     varmap.vars[index] = (char *) malloc(sizeof(char) * (strlen(varname) + 1));
 | |
|     strcpy(varmap.vars[index], varname);
 | |
|     varmap.dvalue[index] = dvalue;
 | |
|     varmap.ivalue[index] = ivalue;
 | |
|     varmap.dynvalue[index] = dynvalue;
 | |
|   } else {
 | |
|     varmap.dvalue[index] = dvalue;
 | |
|     varmap.ivalue[index] = ivalue;
 | |
|     varmap.dynvalue[index] = dynvalue;
 | |
|   }
 | |
|   return index;
 | |
| }
 | |
| 
 | |
| int GetNamedVarIndex(const namedvars varmap, const char *varname) {
 | |
|   int i;
 | |
|   for (i = 0; i < varmap.varcnt; i++) {
 | |
|     if (varmap.vars[i] == NULL) return -1 * i;
 | |
|     if (strcmp(varmap.vars[i], varname) == 0) return i;
 | |
|   }
 | |
|   return -1 * varmap.varcnt;
 | |
| }
 | |
| 
 | |
| char* GetNodeVarName(DdManager *manager, namedvars varmap, DdNode *node) {
 | |
|   if (node == NULL) return NULL;
 | |
|   if (node == HIGH(manager)) return "true";
 | |
|   if (node == LOW(manager)) return "false";
 | |
|   return varmap.vars[GetIndex(node) - varmap.varstart];
 | |
| }
 | |
| 
 | |
| char* GetNodeVarNameDisp(DdManager *manager, namedvars varmap, DdNode *node) {
 | |
|   if (HIGH(manager) == node) return "TRUE";
 | |
|   if (LOW(manager) == node) return "FALSE";
 | |
|   if (NULL == node) return "(null)";
 | |
|   return varmap.vars[GetIndex(node) - varmap.varstart];
 | |
| }
 | |
| 
 | |
| int RepairVarcnt(namedvars *varmap) {
 | |
|     while (varmap->vars[varmap->varcnt - 1] == NULL)
 | |
|       varmap->varcnt--;
 | |
|     return varmap->varcnt;
 | |
| }
 | |
| 
 | |
| int all_loaded(namedvars varmap, int disp) {
 | |
|   int i, res = 1;
 | |
|   for (i = 0; i < varmap.varcnt; i++) {
 | |
|     if (varmap.loaded[i] == 0) {
 | |
|       res = 0;
 | |
|       if (disp) fprintf(stderr, "The variable: %s was not loaded with values.\n", varmap.vars[i]); else return 0;
 | |
|     }
 | |
|   }
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| int ImposeOrder(DdManager *manager, const namedvars varmap, char **map) {
 | |
|   int order[varmap.varcnt], i, mappos, index = -1, ivar;
 | |
|   for (i = 0; i < varmap.varcnt; i++) {
 | |
|     if (map[i] != NULL) {
 | |
|       order[i] = GetNamedVarIndex(varmap, map[i]);
 | |
|       index = i;
 | |
|     } else {
 | |
|       order[i] = -1;
 | |
|     }
 | |
|   }
 | |
|   index++;
 | |
|   for (i = 0; i < varmap.varcnt; i++) {
 | |
|     ivar = Cudd_ReadPerm(manager, i);
 | |
|     mappos = get_var_pos_in_map(map, varmap.vars[ivar], varmap.varcnt);
 | |
|     if (mappos == -1) {
 | |
|       order[index] = ivar;
 | |
|       index++;
 | |
|     }
 | |
|   }
 | |
|   if (index != varmap.varcnt)
 | |
|     fprintf(stderr, "Warning possible error in: Impose Order...\n");
 | |
|   return Cudd_ShuffleHeap(manager, order);
 | |
| }
 | |
| 
 | |
| int get_var_pos_in_map(char **map, const char *var, int varcnt) {
 | |
|   int i;
 | |
|   for (i = 0; i < varcnt; i++) {
 | |
|     if (map[i] == NULL) return -1;
 | |
|     if (strcmp(map[i], var) == 0) return i;
 | |
|   }
 | |
|   return -1;
 | |
| }
 | |
| 
 | |
| /* Parser */
 | |
| 
 | |
| DdNode* FileGenerateBDD(DdManager *manager, namedvars varmap, bddfileheader fileheader) {
 | |
|   return (FileGenerateBDDForest(manager, varmap, fileheader))[0];
 | |
| }
 | |
| 
 | |
| // void unreference(DdManager *manager, DdNode ** intermediates, int count){
 | |
| // //	int i;
 | |
| // //	for(i = 0;i<count;i++){
 | |
| // //		if(intermediates[i] != NULL) Cudd_RecursiveDeref(manager,intermediates[i]);
 | |
| // //	}
 | |
| // }
 | |
| 
 | |
| DdNode** FileGenerateBDDForest(DdManager *manager, namedvars varmap, bddfileheader fileheader) {
 | |
|   int icomment, maxlinesize, icur, iline, curinter, iequal;
 | |
|   DdNode *Line, **inter, **result;
 | |
|   char buf, *inputline, *filename, *subl;
 | |
|   bddfileheader interfileheader;
 | |
|   // Initialization of intermediate steps
 | |
|   inter = (DdNode **) malloc(sizeof(DdNode *) * fileheader.intercnt);
 | |
|   for (icur = 0; icur < fileheader.intercnt; icur++) inter[icur] = NULL;
 | |
|   // Read file data
 | |
|   interfileheader.inputfile = NULL;
 | |
|   filename = NULL;  // For nested files
 | |
|   iequal = 0;       // Flag for encountered = sign
 | |
|   icur = 0;         // Pointer for inputline buffer location
 | |
|   iline = 5;        // Current file line (first after header)
 | |
|   icomment = 0;     // Flag for comments
 | |
|   maxlinesize = 80; // inputline starting buffer size
 | |
|   inputline = (char *) malloc(sizeof(char) * maxlinesize);
 | |
|   while(!feof(fileheader.inputfile)) {
 | |
|     fread(&buf, 1, 1, fileheader.inputfile);
 | |
|     if (buf == ';' || buf == '%' || buf == '$') icomment = 1;
 | |
|     if (buf == '\n') {
 | |
|       if (icomment) icomment = 0;
 | |
|       if (iequal > 1) {
 | |
|         fprintf(stderr, "Error at line: %i. Line contains more than 1 equal(=) signs.\n", iline);
 | |
|         fclose(fileheader.inputfile);
 | |
|         free(inter);
 | |
|         free(inputline);
 | |
|         return NULL;
 | |
|       } else iequal = 0;
 | |
|       if (icur > 0) {
 | |
|         inputline[icur] = '\0';
 | |
|         if (inputline[0] != 'L') {
 | |
|           fprintf(stderr, "Error at line: %i. Intermediate results should start with L.\n", iline);
 | |
|           fclose(fileheader.inputfile);
 | |
|           free(inter);
 | |
|           free(inputline);
 | |
|           return NULL;
 | |
|         }
 | |
|         curinter = getInterBDD(inputline);
 | |
|         if (curinter == -1) {
 | |
|           if (fileheader.version < 2) {
 | |
|             if (inputline[0] == 'L' && IsPosNumber(inputline + 1)) {
 | |
|               curinter = atoi(inputline + 1) - 1;
 | |
|               if (curinter > -1 && curinter < fileheader.intercnt && inter[curinter] != NULL) {
 | |
|                 if (_debug) fprintf(stderr, "Returned: %s\n", inputline);
 | |
|                 fclose(fileheader.inputfile);
 | |
|                 result = (DdNode **) malloc(sizeof(DdNode *) * 1);
 | |
|                 result[0] = inter[curinter];
 | |
|                 Cudd_Ref(result[0]);
 | |
|                 //unreference(manager, inter, fileheader.intercnt);
 | |
|                 free(inter);
 | |
|                 free(inputline);
 | |
|                 return result;
 | |
|               } else {
 | |
|                 fprintf(stderr, "Error at line: %i. Return result asked doesn't exist.\n", iline);
 | |
|                 fclose(fileheader.inputfile);
 | |
|                 free(inter);
 | |
|                 free(inputline);
 | |
|                 return NULL;
 | |
|               }
 | |
|             } else {
 | |
|               fprintf(stderr, "Error at line: %i. Invalid intermediate result format.\n", iline);
 | |
|               fclose(fileheader.inputfile);
 | |
|               free(inter);
 | |
|               free(inputline);
 | |
|               return NULL;
 | |
|             }
 | |
|           } else {
 | |
|             // Support for forest
 | |
|             result = (DdNode **) malloc(sizeof(DdNode *) * 10);
 | |
|             maxlinesize = 10;
 | |
|             iline = -1;
 | |
|             for (subl = strtok(inputline, ","); subl != NULL; subl = strtok(NULL, ",")) {
 | |
|               if (subl[0] == 'L' && IsPosNumber(subl + 1)) {
 | |
|                 curinter = atoi(subl + 1) - 1;
 | |
|                 if (curinter > -1 && curinter < fileheader.intercnt && inter[curinter] != NULL) {
 | |
|                   iline++;
 | |
|                   if (iline >= (maxlinesize - 1)) {
 | |
|                     maxlinesize *= 2;
 | |
|                     result = (DdNode **) realloc(result, sizeof(DdNode *) * maxlinesize);
 | |
|                   }
 | |
|                   Cudd_Ref(inter[curinter]);
 | |
|                   result[iline] = inter[curinter];
 | |
|                 } else {
 | |
|                   fprintf(stderr, "Error at line: %i. Return result asked(%s) doesn't exist.\n", iline, subl);
 | |
|                   fclose(fileheader.inputfile);
 | |
|                   free(inter);
 | |
|                   free(inputline);
 | |
|                   free(subl);
 | |
|                   return NULL;
 | |
|                 }
 | |
|               } else {
 | |
|                 fprintf(stderr, "Error at line: %i. Invalid intermediate result format.\n", iline);
 | |
|                 fclose(fileheader.inputfile);
 | |
|                 free(inter);
 | |
|                 free(inputline);
 | |
|                 free(subl);
 | |
|                 return NULL;
 | |
|               }
 | |
|             }
 | |
|             if (_debug) fprintf(stderr, "Returned: %s\n", inputline);
 | |
|             fclose(fileheader.inputfile);
 | |
|             //unreference(manager, inter, fileheader.intercnt);
 | |
|             free(inter);
 | |
|             free(inputline);
 | |
|             free(subl);
 | |
|             iline++;
 | |
|             result[iline] = NULL;
 | |
|             return result;
 | |
|           }
 | |
|         } else if (curinter > -1 && curinter < fileheader.intercnt && inter[curinter] == NULL) {
 | |
|           if (_debug) fprintf(stderr, "%i %s\n", curinter, inputline);
 | |
|           filename = getFileName(inputline);
 | |
|           if (filename == NULL) {
 | |
|             Line = LineParser(manager, varmap, inter, fileheader.intercnt, inputline, iline);
 | |
|           } else {
 | |
|             interfileheader = ReadFileHeader(filename);
 | |
|             if (interfileheader.inputfile == NULL) {
 | |
|               //Line = simpleBDDload(manager, &varmap, filename);
 | |
|               Line = NULL;
 | |
|             } else {
 | |
|               Line = FileGenerateBDD(manager, varmap, interfileheader);
 | |
|             }
 | |
|             if (Line == NULL) fprintf(stderr, "Error at line: %i. Error in nested BDD file: %s.\n", iline, filename);
 | |
|             free(filename);
 | |
|             filename = NULL;
 | |
|             interfileheader.inputfile = NULL;
 | |
|           }
 | |
|           if (Line == NULL) {
 | |
|             fclose(fileheader.inputfile);
 | |
|             free(inter);
 | |
|             free(inputline);
 | |
|             return NULL;
 | |
|           }
 | |
|           inter[curinter] = Line;
 | |
|           icur = 0;
 | |
|         } else if (curinter > -1 && curinter < fileheader.intercnt && inter[curinter] != NULL) {
 | |
|           fprintf(stderr, "Error at line: %i. Intermediate results can't be overwritten.\n", iline);
 | |
|           fclose(fileheader.inputfile);
 | |
|           free(inter);
 | |
|           free(inputline);
 | |
|           return NULL;
 | |
|         } else {
 | |
|           fprintf(stderr, "Error at line: %i. Intermediate result asked doesn't exist.\n", iline);
 | |
|           fclose(fileheader.inputfile);
 | |
|           free(inter);
 | |
|           free(inputline);
 | |
|           return NULL;
 | |
|         }
 | |
|       }
 | |
|       iline++;
 | |
|     } else if (buf != ' ' && buf != '\t' && !icomment) {
 | |
|       if (buf == '=') iequal++;
 | |
|       inputline[icur] = buf;
 | |
|       icur += 1;
 | |
|       if (icur == _maxbufsize) {
 | |
|         fprintf(stderr, "Error: Maximum buffer size(%i) exceeded.\n", _maxbufsize);
 | |
|         fclose(fileheader.inputfile);
 | |
|         free(inter);
 | |
|         free(inputline);
 | |
|         return NULL;
 | |
|       }
 | |
|       while (icur > maxlinesize - 1) {
 | |
|         maxlinesize *= 2;
 | |
|         inputline = (char *) realloc(inputline, sizeof(char) * maxlinesize);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
|   fprintf(stderr, "Error, file either doesn't end with a blank line or no return result was asked.\n");
 | |
|   fclose(fileheader.inputfile);
 | |
|   free(inter);
 | |
|   free(inputline);
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| int getInterBDD(char *function) {
 | |
|   int i, ret;
 | |
|   char *inter;
 | |
|   for (i = 0; i < strlen(function); i++) {
 | |
|     if (function[i] == '=') {
 | |
|       inter = (char *) malloc(sizeof(char) * i);
 | |
|       strncpy(inter, function + 1, i - 1);
 | |
|       inter[i - 1] = '\0';
 | |
|       if (IsPosNumber(inter)) {
 | |
|         ret = atoi(inter) - 1;
 | |
|         free(inter);
 | |
|         return ret;
 | |
|       } else {
 | |
|         free(inter);
 | |
|         return -1;
 | |
|       }
 | |
|     }
 | |
|   }
 | |
|   return -1;
 | |
| }
 | |
| 
 | |
| char* getFileName(const char *function) {
 | |
|   int i = 0;
 | |
|   char *filename;
 | |
|   while(function[i] != '=' && (i + 1) < strlen(function)) i++;
 | |
|   if ((i + 1) < strlen(function)) {
 | |
|     i++;
 | |
|     if (function[i] == '<' && function[strlen(function) - 1] == '>') {
 | |
|       filename = (char *) malloc(sizeof(char) * strlen(function) - i);
 | |
|       strcpy(filename, function + i + 1);
 | |
|       filename[strlen(function) - i - 2] = '\0';
 | |
|       return filename;
 | |
|     }
 | |
|   }
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| DdNode* LineParser(DdManager *manager, namedvars varmap, DdNode **inter, int maxinter, char *function, int iline) {
 | |
|   int istart, iend, ilength, i, symbol, ivar, inegvar, inegoper, iconst;
 | |
|   long startAt, endAt;
 | |
|   double secs;
 | |
|   DdNode *bdd;//, *temp;
 | |
|   char *term, curoper;
 | |
|   bdd = HIGH(manager);
 | |
|   Cudd_Ref(bdd);
 | |
|   term = NULL;
 | |
|   ivar = -1;
 | |
|   curoper = '*';
 | |
|   istart = -1;
 | |
|   iend = strlen(function) - 1;
 | |
|   ilength = -1;
 | |
|   symbol = -1;
 | |
|   inegvar = 0;
 | |
|   inegoper = 0;
 | |
|   iconst = 0;
 | |
|   for (i = strlen(function) - 1; i > -1; i--) {
 | |
|     if (symbol == -1 && isOperator(function[i])) {
 | |
|       symbol = i;
 | |
|       istart = i + 1;
 | |
|       ilength = iend - i;
 | |
|       iend = i - 1;
 | |
|       if (ilength > 0 && !(ilength == 1 && function[istart] == '~')) {
 | |
|         term = (char *) malloc(sizeof(char) * (ilength + 1));
 | |
|         strncpy(term, function + istart, ilength);
 | |
|         term[ilength] = '\0';
 | |
|       } else {
 | |
|         fprintf(stderr, "Line Parser Error at line: %i. An operator was encounter with no term at its right side.\n", iline);
 | |
|         free(term);
 | |
|         return NULL;
 | |
|       }
 | |
|     }
 | |
|     if (symbol != -1) {
 | |
|       if (term[0] == '~') inegvar = 1; else inegvar = 0;
 | |
|       if (term[0 + inegvar] != 'L') {
 | |
|         // Term is a variable
 | |
|         if (strcmp(term + inegvar, "TRUE") == 0) {
 | |
|           iconst = 1;
 | |
|         } else if (strcmp(term + inegvar, "FALSE") == 0) {
 | |
|           iconst = 1;
 | |
|           inegvar = !inegvar;
 | |
|         } else {
 | |
|           iconst = 0;
 | |
|           ivar = AddNamedVar(varmap, term + inegvar);
 | |
| /*          if (ivar == -1) {
 | |
|             EnlargeNamedVars(&varmap, varmap.varcnt + 1);
 | |
|             ivar = AddNamedVar(varmap, term + inegvar);
 | |
|           }*/
 | |
|           if (ivar == -1) {
 | |
|             fprintf(stderr, "Line Parser Error at line: %i. More BDD variables than the reserved term: %s.\n", iline, term);
 | |
|             free(term);
 | |
|             return NULL;
 | |
|           }
 | |
|         }
 | |
|         if (_debug) fprintf(stderr, "%s\n", term);
 | |
|         if (_debug && !iconst) fprintf(stderr, "PNZ1:%.0f P1:%.0f S1:%i PNZ2:%.0f P2:%.0f S2:%i\n",
 | |
|                                                                             Cudd_CountPathsToNonZero(bdd),
 | |
|                                                                             Cudd_CountPath(bdd),
 | |
|                                                                             Cudd_DagSize(bdd),
 | |
|                                                                             Cudd_CountPathsToNonZero(GetVar(manager, ivar + varmap.varstart)),
 | |
|                                                                             Cudd_CountPath(GetVar(manager, ivar + varmap.varstart)),
 | |
|                                                                             Cudd_DagSize(GetVar(manager, ivar + varmap.varstart)) );
 | |
|         startAt = clock();
 | |
|         if (!iconst) {
 | |
|           if (inegvar) bdd = BDD_Operator(manager, NOT(GetVar(manager, ivar + varmap.varstart)), bdd, curoper, inegoper);
 | |
|           else bdd = BDD_Operator(manager, GetVar(manager, ivar + varmap.varstart), bdd, curoper, inegoper);
 | |
|         } else {
 | |
|           switch(curoper) {
 | |
|             case '+':
 | |
|               if (inegvar ^ inegoper) ; else {
 | |
|                 bdd = HIGH(manager);
 | |
|                 Cudd_Ref(bdd);
 | |
|               }
 | |
|               break;
 | |
|             case '*':
 | |
|               if (inegvar ^ inegoper) {
 | |
|                 bdd = LOW(manager);
 | |
|                 Cudd_Ref(bdd);
 | |
|               }
 | |
|               break;
 | |
|             case '#':
 | |
|               if (inegvar ^ inegoper) ; else bdd = NOT(bdd);
 | |
|               break;
 | |
|           }
 | |
|         }
 | |
|         endAt = clock();
 | |
|         secs = ((double) (endAt - startAt)) / ((double) CLOCKS_PER_SEC);
 | |
|         if (_debug) fprintf(stderr, "term: %s of line: %i took: %ld\n", term, iline, endAt - startAt);
 | |
|         //if ((endAt - startAt) > 10000000) Cudd_AutodynDisable(manager);
 | |
|         if (bdd == NULL) {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Error using operator %c on term: %s.\n", iline, curoper, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|       } else {
 | |
|         // Term is an intermediate result
 | |
|         if (IsPosNumber(term + inegvar + 1)) ivar = atoi(term + inegvar + 1) - 1; else {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Invalid intermediate result format term: %s.\n", iline, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|         if (ivar < 0 || ivar > maxinter || inter[ivar] == NULL) {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Usage of undeclared intermediate result term: %s.\n", iline, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|         if (_debug) fprintf(stderr, "%s\n", term);
 | |
|         if (_debug) fprintf(stderr, "PNZ1:%.0f P1:%.0f S1:%i PNZ2:%.0f P2:%.0f S2:%i\n",
 | |
|                                                                             Cudd_CountPathsToNonZero(bdd),
 | |
|                                                                             Cudd_CountPath(bdd),
 | |
|                                                                             Cudd_DagSize(bdd),
 | |
|                                                                             Cudd_CountPathsToNonZero(inter[ivar]),
 | |
|                                                                             Cudd_CountPath(inter[ivar]),
 | |
|                                                                             Cudd_DagSize(inter[ivar]) );
 | |
|         startAt = clock();
 | |
|         if (inegvar) bdd = BDD_Operator(manager, NOT(inter[ivar]), bdd, curoper, inegoper);
 | |
|         else bdd = BDD_Operator(manager, inter[ivar], bdd, curoper, inegoper);
 | |
|         endAt = clock();
 | |
|         secs = ((double) (endAt - startAt)) / ((double) CLOCKS_PER_SEC);
 | |
|         if (_debug) fprintf(stderr, "term: %s of line: %i took: %ld\n", term, iline, endAt - startAt);
 | |
|         //if ((endAt - startAt) > 10000000) Cudd_AutodynDisable(manager);
 | |
|         if (bdd == NULL) {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Error using operator %c on term: %s.\n", iline, curoper, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|       }
 | |
|       free(term);
 | |
|       term = NULL;
 | |
|       curoper = function[symbol];
 | |
|       if (curoper == '=') return bdd;
 | |
|       if (function[symbol - 1] == '~') {
 | |
|         inegoper = 1;
 | |
|         i--;
 | |
|         iend--;
 | |
|       } else {
 | |
|         inegoper = 0;
 | |
|       }
 | |
|       symbol = -1;
 | |
|     }
 | |
|   }
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| DdNode* BDD_Operator(DdManager *manager, DdNode *bdd1, DdNode *bdd2, char Operator, int inegoper) {
 | |
|   switch (Operator) {
 | |
|     case '+':
 | |
|       if (inegoper) return D_BDDNor(manager, bdd1, bdd2);
 | |
|       else return D_BDDOr(manager, bdd1, bdd2);
 | |
|       break;
 | |
|     case '*':
 | |
|       if (inegoper) return D_BDDNand(manager, bdd1, bdd2);
 | |
|       else return D_BDDAnd(manager, bdd1, bdd2);
 | |
|       break;
 | |
|     case '#':
 | |
|       if (inegoper) return D_BDDXnor(manager, bdd1, bdd2);
 | |
|       else return D_BDDXor(manager, bdd1, bdd2);
 | |
|       break;
 | |
|     default:
 | |
|       return NULL;
 | |
|       break;
 | |
|   }
 | |
| }
 | |
| 
 | |
| DdNode* OnlineGenerateBDD(DdManager *manager, namedvars *varmap) {
 | |
|   int icomment, maxlinesize, icur, iline, curinter, iequal, iinters, itmp, i;
 | |
|   DdNode *Line, **inter;
 | |
|   char buf, *inputline, *filename;
 | |
|   bddfileheader interfileheader;
 | |
|   // Initialization of intermediate steps
 | |
|   iinters = 1;
 | |
|   inter = (DdNode **) malloc(sizeof(DdNode *) * iinters);
 | |
|   for (icur = 0; icur < iinters; icur++) inter[icur] = NULL;
 | |
|   // Read file data
 | |
|   interfileheader.inputfile = NULL;
 | |
|   filename = NULL;  // For nested files
 | |
|   iequal = 0;       // Flag for encountered = sign
 | |
|   icur = 0;         // Pointer for inputline buffer location
 | |
|   iline = 1;        // Current file line (first after header)
 | |
|   icomment = 0;     // Flag for comments
 | |
|   maxlinesize = 80; // inputline starting buffer size
 | |
|   inputline = (char *) malloc(sizeof(char) * maxlinesize);
 | |
| 
 | |
|   do {
 | |
|     buf = fgetc(stdin);
 | |
|     if (buf == ';' || buf == '%' || buf == '$') icomment = 1;
 | |
|     if (buf == '\n') {
 | |
|       if (icomment) icomment = 0;
 | |
|       if (iequal > 1) {
 | |
|         fprintf(stderr, "Error at line: %i. Line contains more than 1 equal(=) signs.\n", iline);
 | |
|         free(inter);
 | |
|         free(inputline);
 | |
|         return NULL;
 | |
|       } else iequal = 0;
 | |
|       if (icur > 0) {
 | |
|         inputline[icur] = '\0';
 | |
|         if (inputline[0] == '@') {
 | |
|           if (inputline[1] == 'e') {
 | |
|             free(inter);
 | |
|             free(inputline);
 | |
|             exit(0);
 | |
|           } else {
 | |
|             itmp = GetParam(inputline, 1);
 | |
|             if (itmp > varmap->varcnt)
 | |
|               EnlargeNamedVars(varmap, itmp);
 | |
|             itmp = GetParam(inputline, 2);
 | |
|             if (itmp > iinters) {
 | |
|               inter = (DdNode **) realloc(inter, sizeof(DdNode *) * itmp);
 | |
|               for (i = iinters; i < itmp; i++) inter[i] = NULL;
 | |
|               iinters = itmp;
 | |
|             }
 | |
|           }
 | |
|           icur = 0;
 | |
|         } else {
 | |
|           if (inputline[0] != 'L') {
 | |
|             fprintf(stderr, "Error at line: %i. Intermediate results should start with L.\n", iline);
 | |
|             free(inter);
 | |
|             free(inputline);
 | |
|             return NULL;
 | |
|           }
 | |
|           curinter = getInterBDD(inputline);
 | |
|           if (curinter == -1) {
 | |
|             if (inputline[0] == 'L' && IsPosNumber(inputline + 1)) {
 | |
|               curinter = atoi(inputline + 1) - 1;
 | |
|               if (curinter > -1 && curinter < iinters && inter[curinter] != NULL) {
 | |
|                 if (_debug) fprintf(stderr, "Returned: %s\n", inputline);
 | |
|                 Line = inter[curinter];
 | |
|                 free(inter);
 | |
|                 free(inputline);
 | |
|                 return Line;
 | |
|               } else {
 | |
|                 fprintf(stderr, "Error at line: %i. Return result asked doesn't exist.\n", iline);
 | |
|                 free(inter);
 | |
|                 free(inputline);
 | |
|                 return NULL;
 | |
|               }
 | |
|             } else {
 | |
|               fprintf(stderr, "Error at line: %i. Invalid intermediate result format.\n", iline);
 | |
|               free(inter);
 | |
|               free(inputline);
 | |
|               return NULL;
 | |
|             }
 | |
|           } else if (curinter > -1) {
 | |
|             if (curinter >= iinters) {
 | |
|               inter = (DdNode **) realloc(inter, sizeof(DdNode *) * (curinter + 1));
 | |
|               for (i = iinters; i < curinter + 1; i++) inter[i] = NULL;
 | |
|               iinters = curinter + 1;
 | |
|             }
 | |
|             if (inter[curinter] == NULL) {
 | |
|               if (_debug) fprintf(stderr, "%i %s\n", curinter, inputline);
 | |
|               filename = getFileName(inputline);
 | |
|               if (filename == NULL) {
 | |
|                 Line = OnlineLineParser(manager, varmap, inter, iinters, inputline, iline);
 | |
|               } else {
 | |
|                 interfileheader = ReadFileHeader(filename);
 | |
|                 if (interfileheader.inputfile == NULL) {
 | |
|                   //Line = simpleBDDload(manager, varmap, filename);
 | |
|                   Line = NULL;
 | |
|                 } else {
 | |
|                   Line = FileGenerateBDD(manager, *varmap, interfileheader);
 | |
|                 }
 | |
|                 if (Line == NULL) fprintf(stderr, "Error at line: %i. Error in nested BDD file: %s.\n", iline, filename);
 | |
|                 free(filename);
 | |
|                 filename = NULL;
 | |
|                 interfileheader.inputfile = NULL;
 | |
|               }
 | |
|               if (Line == NULL) {
 | |
|                 free(inter);
 | |
|                 free(inputline);
 | |
|                 return NULL;
 | |
|               }
 | |
|               inter[curinter] = Line;
 | |
|               icur = 0;
 | |
|             } else if (inter[curinter] != NULL) {
 | |
|               fprintf(stderr, "Error at line: %i. Intermediate results can't be overwritten.\n", iline);
 | |
|               free(inter);
 | |
|               free(inputline);
 | |
|               return NULL;
 | |
|             }
 | |
|           } else {
 | |
|             fprintf(stderr, "Error at line: %i. Intermediate result asked doesn't exist.\n", iline);
 | |
|             free(inter);
 | |
|             free(inputline);
 | |
|             return NULL;
 | |
|           }
 | |
|         }
 | |
|       }
 | |
|       iline++;
 | |
|     } else if (buf != ' ' && buf != '\t' && !icomment) {
 | |
|       if (buf == '=') iequal++;
 | |
|       inputline[icur] = buf;
 | |
|       icur += 1;
 | |
|       if (icur == _maxbufsize) {
 | |
|         fprintf(stderr, "Error: Maximum buffer size(%i) exceeded.\n", _maxbufsize);
 | |
|         free(inter);
 | |
|         free(inputline);
 | |
|         return NULL;
 | |
|       }
 | |
|       while (icur > maxlinesize - 1) {
 | |
|         maxlinesize *= 2;
 | |
|         inputline = (char *) realloc(inputline, sizeof(char) * maxlinesize);
 | |
|       }
 | |
|     }
 | |
|   } while(1);
 | |
|   fprintf(stderr, "Error, file either doesn't end with a blank line or no return result was asked.\n");
 | |
|   free(inter);
 | |
|   free(inputline);
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| DdNode* OnlineLineParser(DdManager *manager, namedvars *varmap, DdNode **inter, int maxinter, char *function, int iline) {
 | |
|   int istart, iend, ilength, i, symbol, ivar, inegvar, inegoper, iconst;
 | |
|   long startAt, endAt;
 | |
|   double secs;
 | |
|   DdNode *bdd;
 | |
|   char *term, curoper;
 | |
|   bdd = HIGH(manager);
 | |
|   Cudd_Ref(bdd);
 | |
|   term = NULL;
 | |
|   ivar = -1;
 | |
|   curoper = '*';
 | |
|   istart = -1;
 | |
|   iend = strlen(function) - 1;
 | |
|   ilength = -1;
 | |
|   symbol = -1;
 | |
|   inegvar = 0;
 | |
|   inegoper = 0;
 | |
|   iconst = 0;
 | |
|   for (i = strlen(function) - 1; i > -1; i--) {
 | |
|     if (symbol == -1 && isOperator(function[i])) {
 | |
|       symbol = i;
 | |
|       istart = i + 1;
 | |
|       ilength = iend - i;
 | |
|       iend = i - 1;
 | |
|       if (ilength > 0 && !(ilength == 1 && function[istart] == '~')) {
 | |
|         term = (char *) malloc(sizeof(char) * (ilength + 1));
 | |
|         strncpy(term, function + istart, ilength);
 | |
|         term[ilength] = '\0';
 | |
|       } else {
 | |
|         fprintf(stderr, "Line Parser Error at line: %i. An operator was encounter with no term at its right side.\n", iline);
 | |
|         free(term);
 | |
|         return NULL;
 | |
|       }
 | |
|     }
 | |
|     if (symbol != -1) {
 | |
|       if (term[0] == '~') inegvar = 1; else inegvar = 0;
 | |
|       if (term[0 + inegvar] != 'L') {
 | |
|         // Term is a variable
 | |
|         if (strcmp(term + inegvar, "TRUE") == 0) {
 | |
|           iconst = 1;
 | |
|         } else if (strcmp(term + inegvar, "FALSE") == 0) {
 | |
|           iconst = 1;
 | |
|           inegvar = 1;
 | |
|         } else {
 | |
|           iconst = 0;
 | |
|           ivar = AddNamedVar(*varmap, term + inegvar);
 | |
|           if (ivar == -1) {
 | |
|             EnlargeNamedVars(varmap, varmap->varcnt + 1);
 | |
|             ivar = AddNamedVar(*varmap, term + inegvar);
 | |
|           }
 | |
|           if (ivar == -1) {
 | |
|             fprintf(stderr, "Line Parser Error at line: %i. More BDD variables than the reserved term: %s.\n", iline, term);
 | |
|             free(term);
 | |
|             return NULL;
 | |
|           }
 | |
|         }
 | |
|         if (_debug) fprintf(stderr, "%s\n", term);
 | |
|         if (_debug && !iconst) fprintf(stderr, "PNZ1:%.0f P1:%.0f S1:%i PNZ2:%.0f P2:%.0f S2:%i\n",
 | |
|                                                                             Cudd_CountPathsToNonZero(bdd),
 | |
|                                                                             Cudd_CountPath(bdd),
 | |
|                                                                             Cudd_DagSize(bdd),
 | |
|                                                                             Cudd_CountPathsToNonZero(GetVar(manager, ivar + varmap->varstart)),
 | |
|                                                                             Cudd_CountPath(GetVar(manager, ivar + varmap->varstart)),
 | |
|                                                                             Cudd_DagSize(GetVar(manager, ivar + varmap->varstart)) );
 | |
|         startAt = clock();
 | |
|         if (!iconst) {
 | |
|           if (inegvar) bdd = BDD_Operator(manager, NOT(GetVar(manager, ivar + varmap->varstart)), bdd, curoper, inegoper);
 | |
|           else bdd = BDD_Operator(manager, GetVar(manager, ivar + varmap->varstart), bdd, curoper, inegoper);
 | |
|         } else {
 | |
|           switch(curoper) {
 | |
|             case '+':
 | |
|               if (inegvar ^ inegoper) ; else {
 | |
|                 bdd = HIGH(manager);
 | |
|                 Cudd_Ref(bdd);
 | |
|               }
 | |
|               break;
 | |
|             case '*':
 | |
|               if (inegvar ^ inegoper) {
 | |
|                 bdd = LOW(manager);
 | |
|                 Cudd_Ref(bdd);
 | |
|               }
 | |
|               break;
 | |
|             case '#':
 | |
|               if (inegvar ^ inegoper) ; else bdd = NOT(bdd);
 | |
|               break;
 | |
|           }
 | |
|         }
 | |
|         endAt = clock();
 | |
|         secs = ((double) (endAt - startAt)) / ((double) CLOCKS_PER_SEC);
 | |
|         if (_debug) fprintf(stderr, "term: %s of line: %i took: %ld\n", term, iline, endAt - startAt);
 | |
|         //if ((endAt - startAt) > 10000000) Cudd_AutodynDisable(manager);
 | |
|         if (bdd == NULL) {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Error using operator %c on term: %s.\n", iline, curoper, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|       } else {
 | |
|         // Term is an intermediate result
 | |
|         if (IsPosNumber(term + inegvar + 1)) ivar = atoi(term + inegvar + 1) - 1; else {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Invalid intermediate result format term: %s.\n", iline, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|         if (ivar < 0 || ivar > maxinter || inter[ivar] == NULL) {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Usage of undeclared intermediate result term: %s.\n", iline, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|         if (_debug) fprintf(stderr, "%s\n", term);
 | |
|         if (_debug) fprintf(stderr, "PNZ1:%.0f P1:%.0f S1:%i PNZ2:%.0f P2:%.0f S2:%i\n",
 | |
|                                                                             Cudd_CountPathsToNonZero(bdd),
 | |
|                                                                             Cudd_CountPath(bdd),
 | |
|                                                                             Cudd_DagSize(bdd),
 | |
|                                                                             Cudd_CountPathsToNonZero(inter[ivar]),
 | |
|                                                                             Cudd_CountPath(inter[ivar]),
 | |
|                                                                             Cudd_DagSize(inter[ivar]) );
 | |
|         startAt = clock();
 | |
|         if (inegvar) bdd = BDD_Operator(manager, NOT(inter[ivar]), bdd, curoper, inegoper);
 | |
|         else bdd = BDD_Operator(manager, inter[ivar], bdd, curoper, inegoper);
 | |
|         endAt = clock();
 | |
|         secs = ((double) (endAt - startAt)) / ((double) CLOCKS_PER_SEC);
 | |
|         if (_debug) fprintf(stderr, "term: %s of line: %i took: %ld\n", term, iline, endAt - startAt);
 | |
|         //if ((endAt - startAt) > 10000000) Cudd_AutodynDisable(manager);
 | |
|         if (bdd == NULL) {
 | |
|           fprintf(stderr, "Line Parser Error at line: %i. Error using operator %c on term: %s.\n", iline, curoper, term);
 | |
|           free(term);
 | |
|           return NULL;
 | |
|         }
 | |
|       }
 | |
|       free(term);
 | |
|       term = NULL;
 | |
|       curoper = function[symbol];
 | |
|       if (curoper == '=') return bdd;
 | |
|       if (function[symbol - 1] == '~') {
 | |
|         inegoper = 1;
 | |
|         i--;
 | |
|         iend--;
 | |
|       } else {
 | |
|         inegoper = 0;
 | |
|       }
 | |
|       symbol = -1;
 | |
|     }
 | |
|   }
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| int GetParam(char *inputline, int iParam) {
 | |
|   int icoma, istart, iend, ret;
 | |
|   char *numb;
 | |
|   istart = 1;
 | |
|   icoma = istart;
 | |
|   iend = strlen(inputline);
 | |
|   while((inputline[icoma] != ',') && (icoma < iend))
 | |
|     icoma++;
 | |
|   if (iParam == 1) {
 | |
|     numb = (char *) malloc(sizeof(char) * icoma);
 | |
|     strncpy(numb, inputline + 1, icoma - 1);
 | |
|     numb[icoma - 1] = '\0';
 | |
|     if (IsPosNumber(numb)) {
 | |
|       ret = atoi(numb);
 | |
|       free(numb);
 | |
|       return ret;
 | |
|     }
 | |
|   } else if(iParam == 2) {
 | |
|     numb = (char *) malloc(sizeof(char) * (iend - icoma + 1));
 | |
|     strncpy(numb, inputline + icoma + 1, iend - icoma);
 | |
|     numb[iend - icoma] = '\0';
 | |
|     if (IsPosNumber(numb)) {
 | |
|       ret = atoi(numb);
 | |
|       free(numb);
 | |
|       return ret;
 | |
|     }
 | |
|   }
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| void onlinetraverse(DdManager *manager, namedvars varmap, hisqueue *HisQueue, DdNode *bdd) {
 | |
|   char buf, *inputline;
 | |
|   int icur, maxlinesize, iline, index, iloop, iQsize, i, iRoot; //ivalue,inQ, 
 | |
| //  double dvalue;
 | |
|   DdNode **Q, **Q2, *h_node, *l_node, *curnode;
 | |
|   hisqueue *his;
 | |
|   hisnode *hnode;
 | |
|   iloop = 1;
 | |
|   icur = 0;         // Pointer for inputline buffer location
 | |
|   iline = 1;        // Current file line (first after header)
 | |
|   maxlinesize = 80; // inputline starting buffer size
 | |
|   inputline = (char *) malloc(sizeof(char) * maxlinesize);
 | |
|   curnode = bdd;
 | |
|   iQsize = 0;
 | |
|   iRoot = 1;
 | |
|   Q = (DdNode **) malloc(sizeof(DdNode *) * iQsize);
 | |
|   Q2 = NULL;
 | |
|   his = InitHistory(varmap.varcnt);
 | |
|   do {
 | |
|     buf = fgetc(stdin);
 | |
|     if (buf == '\n') {
 | |
|       inputline[icur] = '\0';
 | |
|       if ((icur > 0) && (inputline[0] == '@') && (inputline[2] == ',' || inputline[2] == '\0')) {
 | |
|         switch(inputline[1]) {
 | |
|           case '?':
 | |
|             printf("Available instructions:\n\t@c : current node\n\t@n,[BFS, DFS] : expand and go to next node\n\t@t,[BFS, DFS] : throw and go to next node\n");
 | |
|             printf("\t@h : high node of current\n\t@l : low node of current\n\t@v,[variable] : variable values\n\t@r restart traverse from parent node\n\t@e terminates\n");
 | |
|             break;
 | |
|           case 'r':
 | |
|             curnode = bdd;
 | |
|             iQsize = 0;
 | |
|             iRoot = 1;
 | |
|             free(Q);
 | |
|             Q = (DdNode **) malloc(sizeof(DdNode *) * iQsize);
 | |
|             Q2 = NULL;
 | |
|             ReInitHistory(his, varmap.varcnt);
 | |
|             break;
 | |
|           case 'c':
 | |
|             if (iRoot) {
 | |
|               iRoot = 0;
 | |
|               printf("bdd_temp_value('%s', %i, %p).\n", GetNodeVarNameDisp(manager, varmap, curnode), 1, (void *) curnode);
 | |
|             } else {
 | |
|               printf("bdd_temp_value('%s', %i, %p).\n", GetNodeVarNameDisp(manager, varmap, curnode), iQsize, (void *) curnode);
 | |
|             }
 | |
|             fflush(stdout);
 | |
|             break;
 | |
|           case 'n':
 | |
|             if (curnode != HIGH(manager) && curnode != LOW(manager) && (hnode = GetNode(his, varmap.varstart, curnode)) == NULL) {
 | |
|               l_node = LowNodeOf(manager, curnode);
 | |
|               h_node = HighNodeOf(manager, curnode);
 | |
|               iQsize += 2;
 | |
|               Q = (DdNode **) realloc(Q, sizeof(DdNode *) * iQsize);
 | |
|               Q[iQsize - 2] = l_node;
 | |
|               Q[iQsize - 1] = h_node;
 | |
|               //AddNode(his, varmap.varstart, curnode, 0.0, 0, NULL);
 | |
| /*              inQ = 0;
 | |
|               for(i = 0; (i < iQsize / 2) && (inQ < 3); i++)
 | |
|                 inQ = (Q[i] == l_node) || (Q[iQsize - i - 1] == l_node) + 2 * (Q[i] == h_node) || (Q[iQsize - i - 1] == h_node);
 | |
|               if ((l_node == HIGH(manager) || l_node == LOW(manager))) {
 | |
|                 inQ = (inQ & 2);
 | |
|               } else {
 | |
|                 if ((inQ & 1) == 0) inQ = inQ + (GetNode(his, varmap.varstart, l_node) != NULL);
 | |
|               }
 | |
|               if (h_node == HIGH(manager) || h_node == LOW(manager)) {
 | |
|                 inQ = (inQ & 1);
 | |
|               } else {
 | |
|                 if ((inQ & 2) == 0) inQ = inQ + 2 * (GetNode(his, varmap.varstart, h_node) != NULL);
 | |
|               }*/
 | |
| /*              if ((inQ & 1) == 1) inQ = inQ - (l_node == HIGH(manager) || l_node == LOW(manager));
 | |
|               if ((inQ & 2) == 2) inQ = inQ - 2 * (h_node == HIGH(manager) || h_node == LOW(manager));*/
 | |
| /*              inQ = 0;
 | |
|               switch(inQ) {
 | |
|                 case 0:
 | |
|                   break;
 | |
|                 case 1:
 | |
|                   iQsize++;
 | |
|                   Q = (DdNode **) realloc(Q, sizeof(DdNode *) * iQsize);
 | |
|                   Q[iQsize - 1] = h_node;
 | |
|                   break;
 | |
|                 case 2:
 | |
|                   iQsize++;
 | |
|                   Q = (DdNode **) realloc(Q, sizeof(DdNode *) * iQsize);
 | |
|                   Q[iQsize - 1] = l_node;
 | |
|                   break;
 | |
|                 case 3:
 | |
|                   break;
 | |
|                 default:
 | |
|                   break;
 | |
|               }*/
 | |
|             }
 | |
|             if (inputline[2] == '\0' || strcmp(inputline + 3, "DFS") == 0) {
 | |
|               if (iQsize > 0) {
 | |
|                 iQsize--;
 | |
|                 curnode = Q[iQsize];
 | |
|                 Q = (DdNode **) realloc(Q, sizeof(DdNode *) * iQsize);
 | |
|               }
 | |
|             } else if (strcmp(inputline + 3, "BFS") == 0) {
 | |
|               if (iQsize > 0) {
 | |
|                 iQsize--;
 | |
|                 curnode = Q[0];
 | |
|                 Q2 = (DdNode **) malloc(sizeof(DdNode *) * iQsize);
 | |
|                 for(i = 0; i < iQsize; i++)
 | |
|                   Q2[i] = Q[i + 1];
 | |
|                 free(Q);
 | |
|                 Q = Q2;
 | |
|               }
 | |
|             } else {
 | |
|               fprintf(stderr, "Error: Could not find method: %s, Correct syntax @n,[DFS, BFS].\n", inputline + 3);
 | |
|               free(Q);
 | |
|               free(inputline);
 | |
|               exit(-1);
 | |
|             }
 | |
|             break;
 | |
|           case 't':
 | |
|             if (inputline[2] == '\0' || strcmp(inputline + 3, "DFS") == 0) {
 | |
|               if (iQsize > 0) {
 | |
|                 iQsize--;
 | |
|                 curnode = Q[iQsize];
 | |
|                 Q = (DdNode **) realloc(Q, sizeof(DdNode *) * iQsize);
 | |
|               }
 | |
|             } else if (strcmp(inputline + 3, "BFS") == 0) {
 | |
|               if (iQsize > 0) {
 | |
|                 iQsize--;
 | |
|                 curnode = Q[0];
 | |
|                 Q2 = (DdNode **) malloc(sizeof(DdNode *) * iQsize);
 | |
|                 for(i = 0; i < iQsize; i++)
 | |
|                   Q2[i] = Q[i + 1];
 | |
|                 free(Q);
 | |
|                 Q = Q2;
 | |
|               }
 | |
|             } else {
 | |
|               fprintf(stderr, "Error: Could not find method: %s, Correct syntax @n,[DFS, BFS].\n", inputline + 3);
 | |
|               free(Q);
 | |
|               free(inputline);
 | |
|               exit(-1);
 | |
|             }
 | |
|             break;
 | |
|           case 'h':
 | |
|             printf("bdd_temp_value('%s').\n", GetNodeVarNameDisp(manager, varmap, HighNodeOf(manager, curnode)));
 | |
|             fflush(stdout);
 | |
|             break;
 | |
|           case 'l':
 | |
|             printf("bdd_temp_value('%s').\n", GetNodeVarNameDisp(manager, varmap, LowNodeOf(manager, curnode)));
 | |
|             fflush(stdout);
 | |
|             break;
 | |
|           case 'v':
 | |
|             index = GetNamedVarIndex(varmap, inputline + 3);
 | |
|             if (index >= 0) {
 | |
|               printf("bdd_temp_value([%f,%i,%s]).\n", varmap.dvalue[index], varmap.ivalue[index], (char *) varmap.dynvalue[index]);
 | |
|               fflush(stdout);
 | |
|             } else {
 | |
|               fprintf(stderr, "Error: Could not find variable: %s, Correct syntax @v,[variable name].\n", inputline + 3);
 | |
|               free(Q);
 | |
|               free(inputline);
 | |
|               exit(-1);
 | |
|             }
 | |
|             break;
 | |
|           case 'e':
 | |
|             iloop = 0;
 | |
|             break;
 | |
|           default:
 | |
|             fprintf(stderr, "Error: Not recognizable instruction: %s.\n", inputline);
 | |
|             free(Q);
 | |
|             free(inputline);
 | |
|             exit(-1);
 | |
|             break;
 | |
|         }
 | |
|         icur = 0;
 | |
|       } else {
 | |
|         fprintf(stderr, "Error: Not recognizable instruction: %s.\n", inputline);
 | |
|         free(Q);
 | |
|         free(inputline);
 | |
|         exit(-1);
 | |
|       }
 | |
|       iline++;
 | |
|     } else if (buf != ' ' && buf != '\t') {
 | |
|       inputline[icur] = buf;
 | |
|       icur += 1;
 | |
|       if (icur == _maxbufsize) {
 | |
|         fprintf(stderr, "Error: Maximum buffer size(%i) exceeded.\n", _maxbufsize);
 | |
|         free(Q);
 | |
|         free(inputline);
 | |
|         exit(-1);
 | |
|       }
 | |
|       while (icur > maxlinesize - 1) {
 | |
|         maxlinesize *= 2;
 | |
|         inputline = (char *) realloc(inputline, sizeof(char) * maxlinesize);
 | |
|       }
 | |
|     }
 | |
|   } while(iloop);
 | |
|   free(Q);
 | |
|   free(inputline);
 | |
| }
 |