8 public class RepairGenerator {
10 java.io.PrintWriter outputrepair = null;
11 java.io.PrintWriter outputaux = null;
12 java.io.PrintWriter outputhead = null;
15 static VarDescriptor oldmodel=null;
16 static VarDescriptor newmodel=null;
17 static VarDescriptor worklist=null;
18 static VarDescriptor repairtable=null;
19 static VarDescriptor goodflag=null;
20 Rule currentrule=null;
21 Hashtable updatenames;
23 Termination termination;
26 static boolean DEBUG=false;
28 ModelRuleDependence mrd;
30 public RepairGenerator(State state, Termination t) {
32 updatenames=new Hashtable();
33 usedupdates=new HashSet();
36 togenerate=new HashSet();
37 togenerate.addAll(termination.conjunctions);
39 togenerate.removeAll(removed);
40 GraphNode.computeclosure(togenerate,removed);
42 mrd=ModelRuleDependence.doAnalysis(state);
43 Repair.repairgenerator=this;
46 private void generatetypechecks(boolean flag) {
48 DotExpr.DOTYPECHECKS=true;
49 VarExpr.DOTYPECHECKS=true;
53 VarExpr.DOTYPECHECKS=false;
54 DotExpr.DOTYPECHECKS=false;
61 private void name_updates() {
63 for(Iterator it=termination.updatenodes.iterator();it.hasNext();) {
64 GraphNode gn=(GraphNode) it.next();
65 TermNode tn=(TermNode) gn.getOwner();
66 MultUpdateNode mun=tn.getUpdate();
67 if (togenerate.contains(gn))
68 for (int i=0;i<mun.numUpdates();i++) {
69 UpdateNode un=mun.getUpdate(i);
70 String name="update"+String.valueOf(count++);
71 updatenames.put(un,name);
76 public void generate(OutputStream outputrepair, OutputStream outputaux,OutputStream outputhead, String st) {
77 this.outputrepair = new java.io.PrintWriter(outputrepair, true);
78 this.outputaux = new java.io.PrintWriter(outputaux, true);
79 this.outputhead = new java.io.PrintWriter(outputhead, true);
82 generatetypechecks(true);
83 generate_tokentable();
84 generate_hashtables();
85 generate_stateobject();
89 if (!Compiler.REPAIR||Compiler.GENERATEDEBUGPRINT) {
94 CodeWriter crhead = new StandardCodeWriter(this.outputhead);
95 CodeWriter craux = new StandardCodeWriter(this.outputaux);
96 crhead.outputline("};");
97 craux.outputline("}");
99 if (Compiler.GENERATEDEBUGHOOKS) {
100 crhead.outputline("void debughook();");
101 craux.outputline("void debughook() {}");
103 generatetypechecks(false);
104 generate_computesizes();
105 generatetypechecks(true);
106 generate_recomputesizes();
107 generatetypechecks(false);
109 StructureGenerator sg=new StructureGenerator(state,this);
111 crhead.outputline("#endif");
114 String ststate="state";
115 String stmodel="model";
116 String strepairtable="repairtable";
117 String stleft="left";
118 String stright="right";
119 String stnew="newvalue";
121 private void generate_updates() {
123 CodeWriter crhead = new StandardCodeWriter(outputhead);
124 CodeWriter craux = new StandardCodeWriter(outputaux);
125 RelationDescriptor.prefix = "model->";
126 SetDescriptor.prefix = "model->";
128 /* Rewrite globals */
130 for (Iterator it=this.state.stGlobals.descriptors();it.hasNext();) {
131 VarDescriptor vd=(VarDescriptor)it.next();
132 craux.outputline("#define "+vd.getSafeSymbol()+" "+ststate+"->"+vd.getSafeSymbol());
135 for(Iterator it=termination.updatenodes.iterator();it.hasNext();) {
136 GraphNode gn=(GraphNode) it.next();
137 TermNode tn=(TermNode) gn.getOwner();
138 MultUpdateNode mun=tn.getUpdate();
139 boolean isrelation=(mun.getDescriptor() instanceof RelationDescriptor);
140 if (togenerate.contains(gn))
141 for (int i=0;i<mun.numUpdates();i++) {
142 UpdateNode un=mun.getUpdate(i);
143 String methodname=(String)updatenames.get(un);
146 case MultUpdateNode.ADD:
148 crhead.outputline("void "+methodname+"("+name+"_state * " +ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+", int "+stright+");");
149 craux.outputline("void "+methodname+"("+name+"_state * "+ ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+", int "+stright+")");
151 crhead.outputline("void "+methodname+"("+name+"_state * "+ ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+");");
152 craux.outputline("void "+methodname+"("+name+"_state * "+ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+")");
155 craux.outputline("int maybe=0;");
156 if (Compiler.GENERATEINSTRUMENT)
157 craux.outputline("updatecount++;");
159 final SymbolTable st = un.getRule().getSymbolTable();
160 CodeWriter cr = new StandardCodeWriter(outputaux) {
161 public SymbolTable getSymbolTable() { return st; }
163 un.generate(cr, false, false, stleft,stright, null,this);
164 craux.outputline("if (maybe) printf(\"REALLY BAD\");");
167 case MultUpdateNode.REMOVE: {
169 String methodcall="void "+methodname+"("+name+"_state * "+ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable;
170 for(int j=0;j<r.numQuantifiers();j++) {
171 Quantifier q=r.getQuantifier(j);
172 if (q instanceof SetQuantifier) {
173 SetQuantifier sq=(SetQuantifier) q;
174 methodcall+=","+sq.getVar().getType().getGenerateType().getSafeSymbol()+" "+sq.getVar().getSafeSymbol();
175 } else if (q instanceof RelationQuantifier) {
176 RelationQuantifier rq=(RelationQuantifier) q;
178 methodcall+=","+rq.x.getType().getGenerateType().getSafeSymbol()+" "+rq.x.getSafeSymbol();
179 methodcall+=","+rq.y.getType().getGenerateType().getSafeSymbol()+" "+rq.y.getSafeSymbol();
180 } else if (q instanceof ForQuantifier) {
181 ForQuantifier fq=(ForQuantifier) q;
182 methodcall+=",int "+fq.getVar().getSafeSymbol();
186 crhead.outputline(methodcall+";");
187 craux.outputline(methodcall);
189 craux.outputline("int maybe=0;");
190 if (Compiler.GENERATEINSTRUMENT)
191 craux.outputline("updatecount++;");
192 final SymbolTable st2 = un.getRule().getSymbolTable();
193 CodeWriter cr2 = new StandardCodeWriter(outputaux) {
194 public SymbolTable getSymbolTable() { return st2; }
196 un.generate(cr2, true, false, null,null, null,this);
197 craux.outputline("if (maybe) printf(\"REALLY BAD\");");
201 case MultUpdateNode.MODIFY: {
203 String methodcall="void "+methodname+"("+name+"_state * "+ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable;
204 for(int j=0;j<r.numQuantifiers();j++) {
205 Quantifier q=r.getQuantifier(j);
206 if (q instanceof SetQuantifier) {
207 SetQuantifier sq=(SetQuantifier) q;
208 methodcall+=","+sq.getVar().getType().getGenerateType().getSafeSymbol()+" "+sq.getVar().getSafeSymbol();
209 } else if (q instanceof RelationQuantifier) {
210 RelationQuantifier rq=(RelationQuantifier) q;
212 methodcall+=", "+rq.x.getType().getGenerateType().getSafeSymbol()+" "+rq.x.getSafeSymbol();
213 methodcall+=", "+rq.y.getType().getGenerateType().getSafeSymbol()+" "+rq.y.getSafeSymbol();
214 } else if (q instanceof ForQuantifier) {
215 ForQuantifier fq=(ForQuantifier) q;
216 methodcall+=", int "+fq.getVar().getSafeSymbol();
219 methodcall+=", int "+stleft+", int "+stright+", int "+stnew;
221 crhead.outputline(methodcall+";");
222 craux.outputline(methodcall);
224 craux.outputline("int maybe=0;");
225 if (Compiler.GENERATEINSTRUMENT)
226 craux.outputline("updatecount++;");
227 final SymbolTable st2 = un.getRule().getSymbolTable();
228 CodeWriter cr2 = new StandardCodeWriter(outputaux) {
229 public SymbolTable getSymbolTable() { return st2; }
231 un.generate(cr2, false, true, stleft, stright, stnew, this);
232 craux.outputline("if (maybe) printf(\"REALLY BAD\");");
238 throw new Error("Nonimplement Update");
244 private void generate_call() {
245 CodeWriter cr = new StandardCodeWriter(outputrepair);
246 VarDescriptor vdstate=VarDescriptor.makeNew("repairstate");
247 cr.outputline(name+"_state * "+vdstate.getSafeSymbol()+"=new "+name+"_state();");
248 Iterator globals=state.stGlobals.descriptors();
249 while (globals.hasNext()) {
250 VarDescriptor vd=(VarDescriptor) globals.next();
251 cr.outputline(vdstate.getSafeSymbol()+"->"+vd.getSafeSymbol()+"=("+vd.getType().getGenerateType().getSafeSymbol()+")"+vd.getSafeSymbol()+";");
253 /* Insert repair here */
254 cr.outputline(vdstate.getSafeSymbol()+"->doanalysis();");
255 globals=state.stGlobals.descriptors();
256 while (globals.hasNext()) {
257 VarDescriptor vd=(VarDescriptor) globals.next();
258 cr.outputline("*(("+vd.getType().getGenerateType().getSafeSymbol()+"*) &"+vd.getSafeSymbol()+")="+vdstate.getSafeSymbol()+"->"+vd.getSafeSymbol()+";");
260 cr.outputline("delete "+vdstate.getSafeSymbol()+";");
263 private void generate_tokentable() {
264 CodeWriter cr = new StandardCodeWriter(outputrepair);
265 Iterator tokens = TokenLiteralExpr.tokens.keySet().iterator();
268 cr.outputline("// Token values");
271 while (tokens.hasNext()) {
272 Object token = tokens.next();
273 cr.outputline("// " + token.toString() + " = " + TokenLiteralExpr.tokens.get(token).toString());
280 private void generate_stateobject() {
281 CodeWriter crhead = new StandardCodeWriter(outputhead);
282 crhead.outputline("class "+name+"_state {");
283 crhead.outputline("public:");
284 Iterator globals=state.stGlobals.descriptors();
285 while (globals.hasNext()) {
286 VarDescriptor vd=(VarDescriptor) globals.next();
287 crhead.outputline(vd.getType().getGenerateType().getSafeSymbol()+" "+vd.getSafeSymbol()+";");
289 crhead.outputline("void computesizes(int *,int **);");
290 crhead.outputline("void recomputesizes();");
293 private void generate_computesizes() {
294 int max=TypeDescriptor.counter;
295 TypeDescriptor[] tdarray=new TypeDescriptor[max];
296 for(Iterator it=state.stTypes.descriptors();it.hasNext();) {
297 TypeDescriptor ttd=(TypeDescriptor)it.next();
298 tdarray[ttd.getId()]=ttd;
300 final SymbolTable st = state.stGlobals;
301 CodeWriter cr = new StandardCodeWriter(outputaux) {
302 public SymbolTable getSymbolTable() { return st; }
305 cr.outputline("void "+name+"_state::computesizes(int *sizearray,int **numele) {");
306 cr.outputline("int maybe=0;");
307 for(int i=0;i<max;i++) {
308 TypeDescriptor td=tdarray[i];
309 Expr size=td.getSizeExpr();
310 VarDescriptor vd=VarDescriptor.makeNew("size");
311 size.generate(cr,vd);
312 cr.outputline("sizearray["+i+"]="+vd.getSafeSymbol()+";");
314 for(int i=0;i<max;i++) {
315 TypeDescriptor td=tdarray[i];
316 if (td instanceof StructureTypeDescriptor) {
317 StructureTypeDescriptor std=(StructureTypeDescriptor) td;
318 for(int j=0;j<std.fieldlist.size();j++) {
319 FieldDescriptor fd=(FieldDescriptor)std.fieldlist.get(j);
320 if (fd instanceof ArrayDescriptor) {
321 ArrayDescriptor ad=(ArrayDescriptor)fd;
322 Expr index=ad.getIndexBound();
323 VarDescriptor vd=VarDescriptor.makeNew("index");
324 index.generate(cr,vd);
325 cr.outputline("numele["+i+"]["+j+"]="+vd.getSafeSymbol()+";");
330 cr.outputline("if (maybe) printf(\"BAD ERROR\");");
334 private void generate_recomputesizes() {
335 int max=TypeDescriptor.counter;
336 TypeDescriptor[] tdarray=new TypeDescriptor[max];
337 for(Iterator it=state.stTypes.descriptors();it.hasNext();) {
338 TypeDescriptor ttd=(TypeDescriptor)it.next();
339 tdarray[ttd.getId()]=ttd;
341 final SymbolTable st = state.stGlobals;
342 CodeWriter cr = new StandardCodeWriter(outputaux) {
343 public SymbolTable getSymbolTable() { return st; }
345 cr.outputline("void "+name+"_state::recomputesizes() {");
346 cr.outputline("int maybe=0;");
347 for(int i=0;i<max;i++) {
348 TypeDescriptor td=tdarray[i];
349 Expr size=td.getSizeExpr();
350 VarDescriptor vd=VarDescriptor.makeNew("size");
351 size.generate(cr,vd);
353 for(int i=0;i<max;i++) {
354 TypeDescriptor td=tdarray[i];
355 if (td instanceof StructureTypeDescriptor) {
356 StructureTypeDescriptor std=(StructureTypeDescriptor) td;
357 for(int j=0;j<std.fieldlist.size();j++) {
358 FieldDescriptor fd=(FieldDescriptor)std.fieldlist.get(j);
359 if (fd instanceof ArrayDescriptor) {
360 ArrayDescriptor ad=(ArrayDescriptor)fd;
361 Expr index=ad.getIndexBound();
362 VarDescriptor vd=VarDescriptor.makeNew("index");
363 index.generate(cr,vd);
368 cr.outputline("if (maybe) printf(\"BAD ERROR\");");
373 private void generate_hashtables() {
374 CodeWriter craux = new StandardCodeWriter(outputaux);
375 CodeWriter crhead = new StandardCodeWriter(outputhead);
376 crhead.outputline("#ifndef "+name+"_h");
377 crhead.outputline("#define "+name+"_h");
378 crhead.outputline("#include \"SimpleHash.h\"");
379 crhead.outputline("extern \"C\" {");
380 crhead.outputline("#include \"instrument.h\"");
381 crhead.outputline("}");
382 crhead.outputline("#include <stdio.h>");
383 crhead.outputline("#include <stdlib.h>");
384 crhead.outputline("class "+name+" {");
385 crhead.outputline("public:");
386 crhead.outputline(name+"();");
387 crhead.outputline("~"+name+"();");
388 craux.outputline("#include \""+headername+"\"");
389 craux.outputline("#include \"size.h\"");
391 craux.outputline("#include <sys/time.h>");
393 if (Compiler.ALLOCATECPLUSPLUS) {
394 for(Iterator it=state.stTypes.descriptors();it.hasNext();) {
395 TypeDescriptor td=(TypeDescriptor)it.next();
396 if (td instanceof StructureTypeDescriptor) {
397 if (((StructureTypeDescriptor)td).size()>0) {
398 FieldDescriptor fd=((StructureTypeDescriptor)td).get(0);
399 if (fd.getSymbol().startsWith("_vptr_")) {
400 String vtable="_ZTV";
401 vtable+=td.getSymbol().length();
402 vtable+=td.getSymbol();
403 craux.outputline("extern void * "+vtable+";");
409 craux.outputline(name+"::"+name+"() {");
410 craux.outputline("// creating hashtables ");
413 Iterator sets = state.stSets.descriptors();
415 /* first pass create all the hash tables */
416 while (sets.hasNext()) {
417 SetDescriptor set = (SetDescriptor) sets.next();
418 crhead.outputline("SimpleHash* " + set.getSafeSymbol() + "_hash;");
419 craux.outputline(set.getSafeSymbol() + "_hash = new SimpleHash();");
422 /* second pass build relationships between hashtables */
423 sets = state.stSets.descriptors();
425 while (sets.hasNext()) {
426 SetDescriptor set = (SetDescriptor) sets.next();
427 Iterator subsets = set.subsets();
429 while (subsets.hasNext()) {
430 SetDescriptor subset = (SetDescriptor) subsets.next();
431 craux.outputline(subset.getSafeSymbol() + "_hash->addParent(" + set.getSafeSymbol() + "_hash);");
435 /* build relations */
436 Iterator relations = state.stRelations.descriptors();
438 /* first pass create all the hash tables */
439 while (relations.hasNext()) {
440 RelationDescriptor relation = (RelationDescriptor) relations.next();
442 if (relation.testUsage(RelationDescriptor.IMAGE)) {
443 crhead.outputline("SimpleHash* " + relation.getSafeSymbol() + "_hash;");
444 craux.outputline(relation.getSafeSymbol() + "_hash = new SimpleHash();");
447 if (relation.testUsage(RelationDescriptor.INVIMAGE)) {
448 crhead.outputline("SimpleHash* " + relation.getSafeSymbol() + "_hashinv;");
449 craux.outputline(relation.getSafeSymbol() + "_hashinv = new SimpleHash();");
453 craux.outputline("}");
454 crhead.outputline("};");
455 craux.outputline(name+"::~"+name+"() {");
456 craux.outputline("// deleting hashtables");
458 /* build destructor */
459 sets = state.stSets.descriptors();
461 /* first pass create all the hash tables */
462 while (sets.hasNext()) {
463 SetDescriptor set = (SetDescriptor) sets.next();
464 craux.outputline("delete "+set.getSafeSymbol() + "_hash;");
467 /* destroy relations */
468 relations = state.stRelations.descriptors();
470 /* first pass create all the hash tables */
471 while (relations.hasNext()) {
472 RelationDescriptor relation = (RelationDescriptor) relations.next();
474 if (relation.testUsage(RelationDescriptor.IMAGE)) {
475 craux.outputline("delete "+relation.getSafeSymbol() + "_hash;");
478 if (relation.testUsage(RelationDescriptor.INVIMAGE)) {
479 craux.outputline("delete " + relation.getSafeSymbol() + "_hashinv;");
482 craux.outputline("}");
485 private void generate_start() {
486 CodeWriter crhead = new StandardCodeWriter(outputhead);
487 CodeWriter craux = new StandardCodeWriter(outputaux);
488 oldmodel=VarDescriptor.makeNew("oldmodel");
489 newmodel=VarDescriptor.makeNew("newmodel");
490 worklist=VarDescriptor.makeNew("worklist");
491 goodflag=VarDescriptor.makeNew("goodflag");
492 repairtable=VarDescriptor.makeNew("repairtable");
494 if (Compiler.GENERATEINSTRUMENT) {
495 craux.outputline("int updatecount;");
496 craux.outputline("int rebuildcount;");
497 craux.outputline("int abstractcount;");
500 crhead.outputline("void doanalysis();");
501 craux.outputline("void "+name +"_state::doanalysis()");
504 craux.outputline("struct timeval _begin_time,_end_time;");
505 craux.outputline("gettimeofday(&_begin_time,NULL);");
508 if (Compiler.GENERATEINSTRUMENT) {
509 craux.outputline("updatecount=0;");
510 craux.outputline("rebuildcount=0;");
511 craux.outputline("abstractcount=0;");
513 craux.outputline("int highmark;");
514 craux.outputline("initializestack(&highmark);");
515 craux.outputline("typeobject *typeobject1=gettypeobject();");
516 craux.outputline("typeobject1->computesizes(this);");
517 craux.outputline("recomputesizes();");
518 craux.outputline(name+ " * "+oldmodel.getSafeSymbol()+"=0;");
519 craux.outputline("WorkList * "+worklist.getSafeSymbol()+" = new WorkList();");
520 craux.outputline("RepairHash * "+repairtable.getSafeSymbol()+"=0;");
521 craux.outputline("while (1)");
523 craux.outputline(name+ " * "+newmodel.getSafeSymbol()+"=new "+name+"();");
524 craux.outputline(worklist.getSafeSymbol()+"->reset();");
525 if (Compiler.GENERATEINSTRUMENT)
526 craux.outputline("rebuildcount++;");
529 private void generate_teardown() {
530 CodeWriter cr = new StandardCodeWriter(outputaux);
533 cr.outputline("gettimeofday(&_end_time,NULL);");
534 cr.outputline("printf(\"time=%ld uS\\n\",(_end_time.tv_sec-_begin_time.tv_sec)*1000000+_end_time.tv_usec-_begin_time.tv_usec);");
537 if (Compiler.GENERATEINSTRUMENT) {
538 cr.outputline("printf(\"updatecount=%d\\n\",updatecount);");
539 cr.outputline("printf(\"rebuildcount=%d\\n\",rebuildcount);");
540 cr.outputline("printf(\"abstractcount=%d\\n\",abstractcount);");
545 private void generate_print() {
547 final SymbolTable st = new SymbolTable();
549 CodeWriter cr = new StandardCodeWriter(outputaux) {
550 public SymbolTable getSymbolTable() { return st; }
553 cr.outputline("// printing sets!");
554 cr.outputline("printf(\"\\n\\nPRINTING SETS AND RELATIONS\\n\");");
556 Iterator setiterator = state.stSets.descriptors();
557 while (setiterator.hasNext()) {
558 SetDescriptor sd = (SetDescriptor) setiterator.next();
559 if (sd.getSymbol().equals("int") || sd.getSymbol().equals("token")) {
563 String setname = sd.getSafeSymbol();
566 cr.outputline("// printing set " + setname);
567 cr.outputline("printf(\"\\nPrinting set " + sd.getSymbol() + " - %d elements \\n\", " + setname + "_hash->count());");
568 cr.outputline("SimpleIterator __setiterator;");
569 cr.outputline("" + setname + "_hash->iterator(__setiterator);");
570 cr.outputline("while (__setiterator.hasNext())");
572 cr.outputline("int __setval = (int) __setiterator.next();");
574 TypeDescriptor td = sd.getType();
575 if (td instanceof StructureTypeDescriptor) {
576 StructureTypeDescriptor std = (StructureTypeDescriptor) td;
577 VarDescriptor vd = new VarDescriptor ("__setval", "__setval", td, false);
578 std.generate_printout(cr, vd);
579 } else { // Missing type descriptor or reserved type, just print int
580 cr.outputline("printf(\"<%d> \", __setval);");
588 cr.outputline("printf(\"\\n\\n------------------- END PRINTING\\n\");");
592 private void generate_rules() {
593 /* first we must sort the rules */
594 RelationDescriptor.prefix = newmodel.getSafeSymbol()+"->";
595 SetDescriptor.prefix = newmodel.getSafeSymbol()+"->";
596 System.out.println("SCC="+(mrd.numSCC()-1));
597 for(int sccindex=0;sccindex<mrd.numSCC();sccindex++) {
598 ruleset=mrd.getSCC(sccindex);
599 boolean needworklist=mrd.hasCycle(sccindex);
602 Iterator iterator_rs = ruleset.iterator();
603 while (iterator_rs.hasNext()) {
604 Rule rule = (Rule) iterator_rs.next();
605 if (rule.getnogenerate())
608 final SymbolTable st = rule.getSymbolTable();
609 CodeWriter cr = new StandardCodeWriter(outputaux) {
610 public SymbolTable getSymbolTable() { return st; }
612 InvariantValue ivalue=new InvariantValue();
613 cr.setInvariantValue(ivalue);
615 cr.outputline("// build " +escape(rule.toString()));
617 cr.outputline("int maybe=0;");
619 Expr ruleexpr=rule.getGuardExpr();
620 HashSet invariantvars=new HashSet();
621 Set invariants=ruleexpr.findInvariants(invariantvars);
623 if ((ruleexpr instanceof BooleanLiteralExpr)&&
624 ((BooleanLiteralExpr)ruleexpr).getValue()) {
625 if (rule.getInclusion() instanceof SetInclusion) {
626 invariants.addAll(((SetInclusion)rule.getInclusion()).getExpr().findInvariants(invariantvars));
627 } else if (rule.getInclusion() instanceof RelationInclusion) {
628 invariants.addAll(((RelationInclusion)rule.getInclusion()).getLeftExpr().findInvariants(invariantvars));
629 invariants.addAll(((RelationInclusion)rule.getInclusion()).getRightExpr().findInvariants(invariantvars));
632 ListIterator quantifiers = rule.quantifiers();
633 while (quantifiers.hasNext()) {
634 Quantifier quantifier = (Quantifier) quantifiers.next();
635 if (quantifier instanceof ForQuantifier) {
636 ForQuantifier fq=(ForQuantifier)quantifier;
637 invariants.addAll(fq.lower.findInvariants(invariantvars));
638 invariants.addAll(fq.upper.findInvariants(invariantvars));
642 for(Iterator invit=invariants.iterator();invit.hasNext();) {
643 Expr invexpr=(Expr)invit.next();
644 VarDescriptor tmpvd=VarDescriptor.makeNew("tmpvar");
645 VarDescriptor maybevd=VarDescriptor.makeNew("maybevar");
646 invexpr.generate(cr,tmpvd);
647 cr.outputline("int "+maybevd.getSafeSymbol()+"=maybe;");
648 cr.outputline("maybe=0;");
649 ivalue.assignPair(invexpr,tmpvd,maybevd);
652 quantifiers = rule.quantifiers();
653 while (quantifiers.hasNext()) {
654 Quantifier quantifier = (Quantifier) quantifiers.next();
655 quantifier.generate_open(cr);
660 rule.getGuardExpr().prettyPrint(cr);
663 /* now we have to generate the guard test */
664 VarDescriptor guardval = VarDescriptor.makeNew();
665 rule.getGuardExpr().generate(cr, guardval);
666 cr.outputline("if (" + guardval.getSafeSymbol() + ")");
669 /* now we have to generate the inclusion code */
671 rule.getInclusion().generate(cr);
673 while (quantifiers.hasPrevious()) {
674 Quantifier quantifier = (Quantifier) quantifiers.previous();
683 CodeWriter cr2 = new StandardCodeWriter(outputaux);
685 for(Iterator initialworklist=ruleset.iterator();initialworklist.hasNext();) {
686 /** Construct initial worklist set */
687 Rule rule=(Rule)initialworklist.next();
688 cr2.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+",-1,0,0);");
691 cr2.outputline("while ("+worklist.getSafeSymbol()+"->hasMoreElements())");
693 VarDescriptor idvar=VarDescriptor.makeNew("id");
694 cr2.outputline("int "+idvar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->getid();");
696 String elseladder = "if";
698 Iterator iterator_rules = ruleset.iterator();
699 while (iterator_rules.hasNext()) {
701 Rule rule = (Rule) iterator_rules.next();
702 int dispatchid = rule.getNum();
705 final SymbolTable st = rule.getSymbolTable();
706 CodeWriter cr = new StandardCodeWriter(outputaux) {
707 public SymbolTable getSymbolTable() { return st; }
711 cr.outputline(elseladder + " ("+idvar.getSafeSymbol()+" == " + dispatchid + ")");
713 cr.outputline("int maybe=0;");
714 VarDescriptor typevar=VarDescriptor.makeNew("type");
715 VarDescriptor leftvar=VarDescriptor.makeNew("left");
716 VarDescriptor rightvar=VarDescriptor.makeNew("right");
717 cr.outputline("int "+typevar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->gettype();");
718 cr.outputline("int "+leftvar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->getlvalue();");
719 cr.outputline("int "+rightvar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->getrvalue();");
720 cr.outputline("// build " +escape(rule.toString()));
723 for (int j=0;j<rule.numQuantifiers();j++) {
724 Quantifier quantifier = rule.getQuantifier(j);
725 quantifier.generate_open(cr, typevar.getSafeSymbol(),j,leftvar.getSafeSymbol(),rightvar.getSafeSymbol());
731 rule.getGuardExpr().prettyPrint(cr);
734 /* now we have to generate the guard test */
736 VarDescriptor guardval = VarDescriptor.makeNew();
737 rule.getGuardExpr().generate(cr, guardval);
739 cr.outputline("if (" + guardval.getSafeSymbol() + ")");
742 /* now we have to generate the inclusion code */
744 rule.getInclusion().generate(cr);
747 for (int j=0;j<rule.numQuantifiers();j++) {
751 // close startblocks generated by DotExpr memory checks
752 //DotExpr.generate_memory_endblocks(cr);
754 cr.endblock(); // end else-if WORKLIST ladder
756 elseladder = "else if";
759 cr2.outputline("else");
761 cr2.outputline("printf(\"VERY BAD !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\\n\\n\");");
762 cr2.outputline("exit(1);");
764 // end block created for worklist
765 cr2.outputline(worklist.getSafeSymbol()+"->pop();");
771 public static String escape(String s) {
773 for(int i=0;i<s.length();i++) {
783 private void generate_checks() {
784 /* do constraint checks */
787 i=termination.constraintdependence.computeOrdering().iterator();
789 i=state.vConstraints.iterator();
790 for (; i.hasNext();) {
791 Constraint constraint;
793 constraint= (Constraint) ((GraphNode)i.next()).getOwner();
795 constraint=(Constraint)i.next();
798 final SymbolTable st = constraint.getSymbolTable();
799 CodeWriter cr = new StandardCodeWriter(outputaux);
800 cr.pushSymbolTable(constraint.getSymbolTable());
802 cr.outputline("// checking " + escape(constraint.toString()));
805 ListIterator quantifiers = constraint.quantifiers();
807 while (quantifiers.hasNext()) {
808 Quantifier quantifier = (Quantifier) quantifiers.next();
809 quantifier.generate_open(cr);
812 cr.outputline("int maybe = 0;");
814 /* now we have to generate the guard test */
816 VarDescriptor constraintboolean = VarDescriptor.makeNew("constraintboolean");
817 constraint.getLogicStatement().generate(cr, constraintboolean);
819 cr.outputline("if (maybe)");
821 cr.outputline("printf(\"maybe fail " + escape(constraint.toString()) + ". \\n\");");
822 //cr.outputline("exit(1);");
825 cr.outputline("else if (!" + constraintboolean.getSafeSymbol() + ")");
827 if (!Compiler.REPAIR||Compiler.GENERATEDEBUGHOOKS)
828 cr.outputline("printf(\"fail " + escape(constraint.toString()) + ". \\n\");");
830 if (Compiler.REPAIR) {
832 /* Build new repair table */
833 cr.outputline("if ("+repairtable.getSafeSymbol()+")");
834 cr.outputline("delete "+repairtable.getSafeSymbol()+";");
835 cr.outputline(repairtable.getSafeSymbol()+"=new RepairHash();");
837 if (Compiler.GENERATEDEBUGHOOKS)
838 cr.outputline("debughook();");
839 /* Compute cost of each repair */
840 VarDescriptor mincost=VarDescriptor.makeNew("mincost");
841 VarDescriptor mincostindex=VarDescriptor.makeNew("mincostindex");
842 Vector dnfconst=new Vector();
843 dnfconst.addAll((Set)termination.conjunctionmap.get(constraint));
845 if (dnfconst.size()<=1) {
846 cr.outputline("int "+mincostindex.getSafeSymbol()+"=0;");
848 if (dnfconst.size()>1) {
849 cr.outputline("int "+mincostindex.getSafeSymbol()+";");
851 for(int j=0;j<dnfconst.size();j++) {
852 GraphNode gn=(GraphNode)dnfconst.get(j);
853 Conjunction conj=((TermNode)gn.getOwner()).getConjunction();
854 if (removed.contains(gn))
857 VarDescriptor costvar;
861 costvar=VarDescriptor.makeNew("cost");
862 for(int k=0;k<conj.size();k++) {
863 DNFPredicate dpred=conj.get(k);
864 Predicate p=dpred.getPredicate();
865 boolean negate=dpred.isNegated();
866 VarDescriptor predvalue=VarDescriptor.makeNew("Predicatevalue");
867 p.generate(cr,predvalue);
869 cr.outputline("int "+costvar.getSafeSymbol()+"=0;");
872 cr.outputline("if (maybe||"+predvalue.getSafeSymbol()+")");
874 cr.outputline("if (maybe||!"+predvalue.getSafeSymbol()+")");
875 cr.outputline(costvar.getSafeSymbol()+"+="+cost.getCost(dpred)+";");
879 cr.outputline("if ("+costvar.getSafeSymbol()+"<"+mincost.getSafeSymbol()+")");
881 cr.outputline(mincost.getSafeSymbol()+"="+costvar.getSafeSymbol()+";");
882 cr.outputline(mincostindex.getSafeSymbol()+"="+j+";");
885 cr.outputline(mincostindex.getSafeSymbol()+"="+j+";");
889 cr.outputline("switch("+mincostindex.getSafeSymbol()+") {");
890 for(int j=0;j<dnfconst.size();j++) {
891 GraphNode gn=(GraphNode)dnfconst.get(j);
892 Conjunction conj=((TermNode)gn.getOwner()).getConjunction();
893 if (removed.contains(gn))
895 cr.outputline("case "+j+":");
897 for(int k=0;k<conj.size();k++) {
898 DNFPredicate dpred=conj.get(k);
899 Predicate p=dpred.getPredicate();
900 boolean negate=dpred.isNegated();
901 VarDescriptor predvalue=VarDescriptor.makeNew("Predicatevalue");
902 p.generate(cr,predvalue);
904 cr.outputline("if (maybe||"+predvalue.getSafeSymbol()+")");
906 cr.outputline("if (maybe||!"+predvalue.getSafeSymbol()+")");
908 if (Compiler.GENERATEINSTRUMENT)
909 cr.outputline("abstractcount++;");
910 if (p instanceof InclusionPredicate)
911 generateinclusionrepair(conj,dpred, cr);
912 else if (p instanceof ExprPredicate) {
913 ExprPredicate ep=(ExprPredicate)p;
914 if (ep.getType()==ExprPredicate.SIZE)
915 generatesizerepair(conj,dpred,cr);
916 else if (ep.getType()==ExprPredicate.COMPARISON)
917 generatecomparisonrepair(conj,dpred,cr);
918 } else throw new Error("Unrecognized Predicate");
923 cr.outputline("break;");
927 cr.outputline("if ("+oldmodel.getSafeSymbol()+")");
928 cr.outputline("delete "+oldmodel.getSafeSymbol()+";");
929 cr.outputline(oldmodel.getSafeSymbol()+"="+newmodel.getSafeSymbol()+";");
930 cr.outputline("goto rebuild;"); /* Rebuild model and all */
934 while (quantifiers.hasPrevious()) {
935 Quantifier quantifier = (Quantifier) quantifiers.previous();
943 CodeWriter cr = new StandardCodeWriter(outputaux);
945 cr.outputline("if ("+repairtable.getSafeSymbol()+")");
946 cr.outputline("delete "+repairtable.getSafeSymbol()+";");
947 cr.outputline("if ("+oldmodel.getSafeSymbol()+")");
948 cr.outputline("delete "+oldmodel.getSafeSymbol()+";");
949 cr.outputline("delete "+newmodel.getSafeSymbol()+";");
950 cr.outputline("delete "+worklist.getSafeSymbol()+";");
951 cr.outputline("resettypemap();");
952 cr.outputline("break;");
954 cr.outputline("rebuild:");
958 private MultUpdateNode getmultupdatenode(Conjunction conj, DNFPredicate dpred, int repairtype) {
959 Set nodes=getmultupdatenodeset(conj,dpred,repairtype);
960 Iterator it=nodes.iterator();
962 return (MultUpdateNode)it.next();
967 private Set getmultupdatenodeset(Conjunction conj, DNFPredicate dpred, int repairtype) {
968 HashSet hs=new HashSet();
969 GraphNode gn=(GraphNode) termination.conjtonodemap.get(conj);
970 for(Iterator edgeit=gn.edges();edgeit.hasNext();) {
971 GraphNode gn2=((GraphNode.Edge) edgeit.next()).getTarget();
972 TermNode tn2=(TermNode)gn2.getOwner();
973 if (tn2.getType()==TermNode.ABSTRACT) {
974 AbstractRepair ar=tn2.getAbstract();
975 if (((repairtype==-1)||(ar.getType()==repairtype))&&
976 ar.getPredicate()==dpred) {
977 for(Iterator edgeit2=gn2.edges();edgeit2.hasNext();) {
978 GraphNode gn3=((GraphNode.Edge) edgeit2.next()).getTarget();
979 if (!removed.contains(gn3)) {
980 TermNode tn3=(TermNode)gn3.getOwner();
981 if (tn3.getType()==TermNode.UPDATE) {
982 hs.add(tn3.getUpdate());
992 private AbstractRepair getabstractrepair(Conjunction conj, DNFPredicate dpred, int repairtype) {
993 HashSet hs=new HashSet();
994 MultUpdateNode mun=null;
995 GraphNode gn=(GraphNode) termination.conjtonodemap.get(conj);
996 for(Iterator edgeit=gn.edges();(mun==null)&&edgeit.hasNext();) {
997 GraphNode gn2=((GraphNode.Edge) edgeit.next()).getTarget();
998 TermNode tn2=(TermNode)gn2.getOwner();
999 if (tn2.getType()==TermNode.ABSTRACT) {
1000 AbstractRepair ar=tn2.getAbstract();
1001 if (((repairtype==-1)||(ar.getType()==repairtype))&&
1002 ar.getPredicate()==dpred) {
1011 /** Generates abstract (and concrete) repair for a comparison */
1013 private void generatecomparisonrepair(Conjunction conj, DNFPredicate dpred, CodeWriter cr){
1014 Set updates=getmultupdatenodeset(conj,dpred,AbstractRepair.MODIFYRELATION);
1015 AbstractRepair ar=getabstractrepair(conj,dpred,AbstractRepair.MODIFYRELATION);
1016 MultUpdateNode munmodify=null;
1017 MultUpdateNode munadd=null;
1018 MultUpdateNode munremove=null;
1019 for(Iterator it=updates.iterator();it.hasNext();) {
1020 MultUpdateNode mun=(MultUpdateNode)it.next();
1021 if (mun.getType()==MultUpdateNode.ADD) {
1023 } else if (mun.getType()==MultUpdateNode.REMOVE) {
1025 } else if (mun.getType()==MultUpdateNode.MODIFY) {
1030 ExprPredicate ep=(ExprPredicate)dpred.getPredicate();
1031 RelationDescriptor rd=(RelationDescriptor)ep.getDescriptor();
1032 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1033 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1034 boolean inverted=ep.inverted();
1035 boolean negated=dpred.isNegated();
1036 OpExpr expr=(OpExpr)ep.expr;
1037 Opcode opcode=expr.getOpcode();
1038 VarDescriptor leftside=VarDescriptor.makeNew("leftside");
1039 VarDescriptor rightside=VarDescriptor.makeNew("rightside");
1040 VarDescriptor newvalue=VarDescriptor.makeNew("newvalue");
1041 boolean needremoveloop=ar.mayNeedFunctionEnforcement(state)&&ar.needsRemoves(state);
1043 if (needremoveloop&&((munadd==null)||(munremove==null))) {
1044 System.out.println("Warning: need to have individual remove operations for"+dpred.name());
1045 needremoveloop=false;
1048 cr.outputline("while (1) {");
1051 ((RelationExpr)expr.getLeftExpr()).getExpr().generate(cr,leftside);
1052 expr.getRightExpr().generate(cr,newvalue);
1053 cr.outputline(rd.getRange().getType().getGenerateType().getSafeSymbol()+" "+rightside.getSafeSymbol()+";");
1054 cr.outputline(rd.getSafeSymbol()+"_hash->get("+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
1056 ((RelationExpr)expr.getLeftExpr()).getExpr().generate(cr,rightside);
1057 expr.getRightExpr().generate(cr,newvalue);
1058 cr.outputline(rd.getDomain().getType().getGenerateType().getSafeSymbol()+" "+leftside.getSafeSymbol()+";");
1059 cr.outputline(rd.getSafeSymbol()+"_hashinv->get("+rightside.getSafeSymbol()+","+leftside.getSafeSymbol()+");");
1062 opcode=Opcode.translateOpcode(negated,opcode);
1064 if (opcode==Opcode.GT) {
1065 cr.outputline(newvalue.getSafeSymbol()+"++;");
1066 } else if (opcode==Opcode.GE) {
1068 } else if (opcode==Opcode.LT) {
1069 cr.outputline(newvalue.getSafeSymbol()+"--;");
1070 } else if (opcode==Opcode.LE) {
1072 } else if (opcode==Opcode.EQ) {
1074 } else if (opcode==Opcode.NE) { /* search for FLAGNE if this is changed*/
1075 cr.outputline(newvalue.getSafeSymbol()+"++;");
1077 throw new Error("Unrecognized Opcode");
1079 /* Do abstract repairs */
1081 cr.outputline(rd.getSafeSymbol()+"_hash->remove("+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
1083 if (usageinvimage) {
1084 cr.outputline(rd.getSafeSymbol()+"_hashinv->remove("+rightside.getSafeSymbol()+","+leftside.getSafeSymbol()+");");
1087 if (needremoveloop) {
1089 cr.outputline("if ("+rd.getSafeSymbol()+"_hash->contains("+leftside.getSafeSymbol()+")) {");
1091 cr.outputline("if ("+rd.getSafeSymbol()+"_hashinv->contains("+rightside.getSafeSymbol()+")) {");
1093 for(int i=0;i<state.vRules.size();i++) {
1094 Rule r=(Rule)state.vRules.get(i);
1095 if (r.getInclusion().getTargetDescriptors().contains(rd)) {
1096 for(int j=0;j<munremove.numUpdates();j++) {
1097 UpdateNode un=munremove.getUpdate(i);
1098 if (un.getRule()==r) {
1099 /* Update for rule r */
1100 String name=(String)updatenames.get(un);
1101 cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+",(int) &"+name+");");
1106 cr.outputline("continue;");
1112 cr.outputline(rd.getSafeSymbol()+"_hash->add("+leftside.getSafeSymbol()+","+newvalue.getSafeSymbol()+");");
1114 cr.outputline(rd.getSafeSymbol()+"_hash->add("+newvalue.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
1117 if (usageinvimage) {
1119 cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+newvalue.getSafeSymbol()+","+leftside.getSafeSymbol()+");");
1121 cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+rightside.getSafeSymbol()+","+newvalue.getSafeSymbol()+");");
1124 /* Do concrete repairs */
1125 if (munmodify!=null&&(!ar.mayNeedFunctionEnforcement(state))||(munadd==null)||(ar.needsRemoves(state)&&(munremove==null))) {
1126 for(int i=0;i<state.vRules.size();i++) {
1127 Rule r=(Rule)state.vRules.get(i);
1128 if (r.getInclusion().getTargetDescriptors().contains(rd)) {
1129 for(int j=0;j<munmodify.numUpdates();j++) {
1130 UpdateNode un=munmodify.getUpdate(j);
1131 if (un.getRule()==r) {
1132 /* Update for rule r */
1133 String name=(String)updatenames.get(un);
1134 cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+",(int) &"+name+","+newvalue.getSafeSymbol()+");");
1140 /* Start with scheduling removal */
1141 if (ar.needsRemoves(state))
1142 for(int i=0;i<state.vRules.size();i++) {
1143 Rule r=(Rule)state.vRules.get(i);
1144 if (r.getInclusion().getTargetDescriptors().contains(rd)) {
1145 for(int j=0;j<munremove.numUpdates();j++) {
1146 UpdateNode un=munremove.getUpdate(i);
1147 if (un.getRule()==r) {
1148 /* Update for rule r */
1149 String name=(String)updatenames.get(un);
1150 cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+",(int) &"+name+");");
1155 /* Now do addition */
1156 UpdateNode un=munadd.getUpdate(0);
1157 String name=(String)updatenames.get(un);
1159 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+leftside.getSafeSymbol()+","+newvalue.getSafeSymbol()+");");
1161 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+newvalue.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
1164 if (needremoveloop) {
1165 cr.outputline("break;");
1170 public void generatesizerepair(Conjunction conj, DNFPredicate dpred, CodeWriter cr) {
1171 ExprPredicate ep=(ExprPredicate)dpred.getPredicate();
1172 OpExpr expr=(OpExpr)ep.expr;
1173 Opcode opcode=expr.getOpcode();
1174 opcode=Opcode.translateOpcode(dpred.isNegated(),opcode);
1176 MultUpdateNode munremove;
1178 MultUpdateNode munadd;
1179 if (ep.getDescriptor() instanceof RelationDescriptor) {
1180 munremove=getmultupdatenode(conj,dpred,AbstractRepair.REMOVEFROMRELATION);
1181 munadd=getmultupdatenode(conj,dpred,AbstractRepair.ADDTORELATION);
1183 munremove=getmultupdatenode(conj,dpred,AbstractRepair.REMOVEFROMSET);
1184 munadd=getmultupdatenode(conj,dpred,AbstractRepair.ADDTOSET);
1186 int size=ep.rightSize();
1187 VarDescriptor sizevar=VarDescriptor.makeNew("size");
1188 ((OpExpr)expr).left.generate(cr, sizevar);
1189 VarDescriptor change=VarDescriptor.makeNew("change");
1190 cr.outputline("int "+change.getSafeSymbol()+";");
1191 boolean generateadd=false;
1192 boolean generateremove=false;
1193 if (opcode==Opcode.GT) {
1194 cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size+1)+"-"+sizevar.getSafeSymbol()+";");
1196 generateremove=false;
1197 } else if (opcode==Opcode.GE) {
1198 cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size)+"-"+sizevar.getSafeSymbol()+";");
1200 generateremove=false;
1201 } else if (opcode==Opcode.LT) {
1202 cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size-1)+"-"+sizevar.getSafeSymbol()+";");
1204 generateremove=true;
1205 } else if (opcode==Opcode.LE) {
1206 cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size)+"-"+sizevar.getSafeSymbol()+";");
1208 generateremove=true;
1209 } else if (opcode==Opcode.EQ) {
1210 cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size)+"-"+sizevar.getSafeSymbol()+";");
1215 generateremove=true;
1216 } else if (opcode==Opcode.NE) {
1217 cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size+1)+"-"+sizevar.getSafeSymbol()+";");
1219 generateremove=false;
1221 throw new Error("Unrecognized Opcode");
1224 // In some cases the analysis has determined that generating removes
1226 if (generateremove&&munremove==null)
1227 generateremove=false;
1229 Descriptor d=ep.getDescriptor();
1230 if (generateremove) {
1231 cr.outputline("for(;"+change.getSafeSymbol()+"<0;"+change.getSafeSymbol()+"++)");
1233 /* Find element to remove */
1234 VarDescriptor leftvar=VarDescriptor.makeNew("leftvar");
1235 VarDescriptor rightvar=VarDescriptor.makeNew("rightvar");
1236 if (d instanceof RelationDescriptor) {
1237 if (ep.inverted()) {
1238 ((ImageSetExpr)((SizeofExpr)expr.left).setexpr).generate_leftside(cr,rightvar);
1239 cr.outputline("int "+leftvar.getSafeSymbol()+";");
1240 cr.outputline(d.getSafeSymbol()+"_hashinv->get((int)"+rightvar.getSafeSymbol()+","+leftvar.getSafeSymbol()+");");
1242 ((ImageSetExpr)((SizeofExpr)expr.left).setexpr).generate_leftside(cr,leftvar);
1243 cr.outputline("int "+rightvar.getSafeSymbol()+"=0;");
1244 cr.outputline(d.getSafeSymbol()+"_hash->get((int)"+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+");");
1247 cr.outputline("int "+leftvar.getSafeSymbol()+"="+d.getSafeSymbol()+"_hash->firstkey();");
1249 /* Generate abstract remove instruction */
1250 if (d instanceof RelationDescriptor) {
1251 RelationDescriptor rd=(RelationDescriptor) d;
1252 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1253 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1255 cr.outputline(rd.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
1257 cr.outputline(rd.getSafeSymbol() + "_hashinv->remove((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1259 cr.outputline(d.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1261 /* Generate concrete remove instruction */
1262 for(int i=0;i<state.vRules.size();i++) {
1263 Rule r=(Rule)state.vRules.get(i);
1264 if (r.getInclusion().getTargetDescriptors().contains(d)) {
1265 for(int j=0;j<munremove.numUpdates();j++) {
1266 UpdateNode un=munremove.getUpdate(j);
1267 if (un.getRule()==r) {
1268 /* Update for rule rule r */
1269 String name=(String)updatenames.get(un);
1270 if (d instanceof RelationDescriptor) {
1271 cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+d.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+",(int) &"+name+");");
1273 cr.outputline(repairtable.getSafeSymbol()+"->addset("+d.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+",(int) &"+name+");");
1282 // In some cases the analysis has determined that generating removes
1284 if (generateadd&&munadd==null)
1289 cr.outputline("for(;"+change.getSafeSymbol()+">0;"+change.getSafeSymbol()+"--)");
1291 VarDescriptor newobject=VarDescriptor.makeNew("newobject");
1292 if (d instanceof RelationDescriptor) {
1293 VarDescriptor otherside=VarDescriptor.makeNew("otherside");
1294 ((ImageSetExpr)((SizeofExpr)expr.left).setexpr).generate_leftside(cr,otherside);
1296 RelationDescriptor rd=(RelationDescriptor)d;
1297 if (termination.sources.relsetSource(rd,!ep.inverted())) {
1299 SetDescriptor sd=termination.sources.relgetSourceSet(rd,!ep.inverted());
1300 VarDescriptor iterator=VarDescriptor.makeNew("iterator");
1301 cr.outputline(sd.getType().getGenerateType().getSafeSymbol() +" "+newobject.getSafeSymbol()+";");
1302 cr.outputline("SimpleIterator "+iterator.getSafeSymbol()+";");
1303 cr.outputline("for("+sd.getSafeSymbol()+"_hash->iterator("+ iterator.getSafeSymbol() +");"+iterator.getSafeSymbol()+".hasNext();)");
1305 if (ep.inverted()) {
1306 cr.outputline("if (!"+rd.getSafeSymbol()+"_hashinv->contains("+iterator.getSafeSymbol()+".key(),"+otherside.getSafeSymbol()+"))");
1308 cr.outputline("if (!"+rd.getSafeSymbol()+"_hash->contains("+otherside.getSafeSymbol()+","+iterator.getSafeSymbol()+".key()))");
1310 cr.outputline(newobject.getSafeSymbol()+"="+iterator.getSafeSymbol()+".key();");
1311 cr.outputline(iterator.getSafeSymbol()+".next();");
1313 } else if (termination.sources.relallocSource(rd,!ep.inverted())) {
1314 /* Allocation Source*/
1315 termination.sources.relgenerateSourceAlloc(cr,newobject,rd,!ep.inverted());
1316 } else throw new Error("No source for adding to Relation");
1317 if (ep.inverted()) {
1318 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1319 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1321 cr.outputline(rd.getSafeSymbol()+"_hash->add("+newobject.getSafeSymbol()+","+otherside.getSafeSymbol()+");");
1323 cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+otherside.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
1325 UpdateNode un=munadd.getUpdate(0);
1326 String name=(String)updatenames.get(un);
1327 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+newobject.getSafeSymbol()+","+otherside.getSafeSymbol()+");");
1329 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1330 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1332 cr.outputline(rd.getSafeSymbol()+"_hash->add("+otherside.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
1334 cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+newobject.getSafeSymbol()+","+otherside.getSafeSymbol()+");");
1335 UpdateNode un=munadd.getUpdate(0);
1336 String name=(String)updatenames.get(un);
1337 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+otherside.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
1340 SetDescriptor sd=(SetDescriptor)d;
1341 if (termination.sources.setSource(sd)) {
1344 SetDescriptor sourcesd=termination.sources.getSourceSet(sd);
1345 VarDescriptor iterator=VarDescriptor.makeNew("iterator");
1346 cr.outputline(sourcesd.getType().getGenerateType().getSafeSymbol() +" "+newobject.getSafeSymbol()+";");
1347 cr.outputline("SimpleIterator "+iterator.getSafeSymbol()+";");
1348 cr.outputline("for("+sourcesd.getSafeSymbol()+"_hash->iterator("+iterator.getSafeSymbol()+");"+iterator.getSafeSymbol()+".hasNext();)");
1350 cr.outputline("if (!"+sd.getSafeSymbol()+"_hash->contains("+iterator.getSafeSymbol()+".key()))");
1351 cr.outputline(newobject.getSafeSymbol()+"="+iterator.getSafeSymbol()+".key();");
1352 cr.outputline(iterator.getSafeSymbol()+".next();");
1354 } else if (termination.sources.allocSource(sd)) {
1355 /* Allocation Source*/
1356 termination.sources.generateSourceAlloc(cr,newobject,sd);
1357 } else throw new Error("No source for adding to Set");
1358 cr.outputline(sd.getSafeSymbol()+"_hash->add("+newobject.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
1359 UpdateNode un=munadd.getUpdate(0);
1360 String name=(String)updatenames.get(un);
1361 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
1367 public void generateinclusionrepair(Conjunction conj, DNFPredicate dpred, CodeWriter cr){
1368 InclusionPredicate ip=(InclusionPredicate) dpred.getPredicate();
1369 boolean negated=dpred.isNegated();
1370 MultUpdateNode mun=getmultupdatenode(conj,dpred,-1);
1371 VarDescriptor leftvar=VarDescriptor.makeNew("left");
1372 ip.expr.generate(cr, leftvar);
1375 if (ip.setexpr instanceof ImageSetExpr) {
1376 ImageSetExpr ise=(ImageSetExpr) ip.setexpr;
1377 VarDescriptor rightvar=ise.getVar();
1378 boolean inverse=ise.inverted();
1379 RelationDescriptor rd=ise.getRelation();
1380 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1381 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1384 cr.outputline(rd.getSafeSymbol() + "_hash->remove((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1386 cr.outputline(rd.getSafeSymbol() + "_hashinv->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
1389 cr.outputline(rd.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
1391 cr.outputline(rd.getSafeSymbol() + "_hashinv->remove((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1393 for(int i=0;i<state.vRules.size();i++) {
1394 Rule r=(Rule)state.vRules.get(i);
1395 if (r.getInclusion().getTargetDescriptors().contains(rd)) {
1396 for(int j=0;j<mun.numUpdates();j++) {
1397 UpdateNode un=mun.getUpdate(j);
1398 if (un.getRule()==r) {
1399 /* Update for rule rule r */
1400 String name=(String)updatenames.get(un);
1402 cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+rightvar.getSafeSymbol()+","+leftvar.getSafeSymbol()+",(int) &"+name+");");
1404 cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+",(int) &"+name+");");
1411 SetDescriptor sd=ip.setexpr.sd;
1412 cr.outputline(sd.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1414 for(int i=0;i<state.vRules.size();i++) {
1415 Rule r=(Rule)state.vRules.get(i);
1416 if (r.getInclusion().getTargetDescriptors().contains(sd)) {
1417 for(int j=0;j<mun.numUpdates();j++) {
1418 UpdateNode un=mun.getUpdate(j);
1419 if (un.getRule()==r) {
1420 /* Update for rule rule r */
1421 String name=(String)updatenames.get(un);
1422 cr.outputline(repairtable.getSafeSymbol()+"->addset("+sd.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+",(int) &"+name+");");
1429 /* Generate update */
1430 if (ip.setexpr instanceof ImageSetExpr) {
1431 ImageSetExpr ise=(ImageSetExpr) ip.setexpr;
1432 VarDescriptor rightvar=ise.getVar();
1433 boolean inverse=ise.inverted();
1434 RelationDescriptor rd=ise.getRelation();
1435 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1436 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1439 cr.outputline(rd.getSafeSymbol() + "_hash->add((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1441 cr.outputline(rd.getSafeSymbol() + "_hashinv->add((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
1444 cr.outputline(rd.getSafeSymbol() + "_hash->add((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
1446 cr.outputline(rd.getSafeSymbol() + "_hashinv->add((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1448 UpdateNode un=mun.getUpdate(0);
1449 String name=(String)updatenames.get(un);
1451 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+rightvar.getSafeSymbol()+","+leftvar.getSafeSymbol()+");");
1453 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+");");
1456 SetDescriptor sd=ip.setexpr.sd;
1457 cr.outputline(sd.getSafeSymbol() + "_hash->add((int)" + leftvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
1459 UpdateNode un=mun.getUpdate(0);
1460 /* Update for rule rule r */
1461 String name=(String)updatenames.get(un);
1462 cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+leftvar.getSafeSymbol()+");");
1467 public static Vector getrulelist(Descriptor d) {
1468 Vector dispatchrules = new Vector();
1469 Vector rules = State.currentState.vRules;
1471 for (int i = 0; i < rules.size(); i++) {
1472 Rule rule = (Rule) rules.elementAt(i);
1473 Set requiredsymbols = rule.getRequiredDescriptors();
1475 // #TBD#: in general this is wrong because these descriptors may contain descriptors
1476 // bound in "in?" expressions which need to be dealt with in a topologically sorted
1479 if (rule.getRequiredDescriptors().contains(d)) {
1480 dispatchrules.addElement(rule);
1483 return dispatchrules;
1486 private boolean need_compensation(Rule r) {
1487 if (!Compiler.REPAIR)
1489 GraphNode gn=(GraphNode)termination.scopefalsify.get(r);
1490 for(Iterator edgeit=gn.edges();edgeit.hasNext();) {
1491 GraphNode.Edge edge=(GraphNode.Edge)edgeit.next();
1492 GraphNode gn2=edge.getTarget();
1493 if (!removed.contains(gn2)) {
1494 TermNode tn2=(TermNode)gn2.getOwner();
1495 if (tn2.getType()==TermNode.CONSEQUENCE)
1502 private UpdateNode find_compensation(Rule r) {
1503 GraphNode gn=(GraphNode)termination.scopefalsify.get(r);
1504 for(Iterator edgeit=gn.edges();edgeit.hasNext();) {
1505 GraphNode.Edge edge=(GraphNode.Edge)edgeit.next();
1506 GraphNode gn2=edge.getTarget();
1507 if (!removed.contains(gn2)) {
1508 TermNode tn2=(TermNode)gn2.getOwner();
1509 if (tn2.getType()==TermNode.UPDATE) {
1510 MultUpdateNode mun=tn2.getUpdate();
1511 for(int i=0;i<mun.numUpdates();i++) {
1512 UpdateNode un=mun.getUpdate(i);
1513 if (un.getRule()==r)
1519 throw new Error("No Compensation Update could be found");
1522 public void generate_dispatch(CodeWriter cr, RelationDescriptor rd, String leftvar, String rightvar) {
1523 boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
1524 boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
1526 if (!(usageinvimage||usageimage)) /* not used at all*/
1529 cr.outputline("// RELATION DISPATCH ");
1530 if (Compiler.REPAIR) {
1531 cr.outputline("if ("+oldmodel.getSafeSymbol()+"&&");
1533 cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+rd.getJustSafeSymbol()+"_hash->contains("+leftvar+","+rightvar+"))");
1535 cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+rd.getJustSafeSymbol()+"_hashinv->contains("+rightvar+","+leftvar+"))");
1538 /* Adding new item */
1539 /* Perform safety checks */
1540 cr.outputline("if ("+repairtable.getSafeSymbol()+"&&");
1541 cr.outputline(repairtable.getSafeSymbol()+"->containsrelation("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+"))");
1543 /* Have update to call into */
1544 VarDescriptor mdfyptr=VarDescriptor.makeNew("modifyptr");
1545 VarDescriptor ismdfyptr=VarDescriptor.makeNew("ismodifyptr");
1546 cr.outputline("int "+ismdfyptr.getSafeSymbol()+"="+repairtable.getSafeSymbol()+"->ismodify("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+");");
1552 for(int i=0;i<currentrule.numQuantifiers();i++) {
1553 if (currentrule.getQuantifier(i) instanceof RelationQuantifier)
1554 parttype=parttype+", int, int";
1556 parttype=parttype+", int";
1558 VarDescriptor funptr=VarDescriptor.makeNew("updateptr");
1559 VarDescriptor tmpptr=VarDescriptor.makeNew("tempupdateptr");
1561 String methodcall="("+funptr.getSafeSymbol()+") (this,"+oldmodel.getSafeSymbol()+","+repairtable.getSafeSymbol();
1562 for(int i=0;i<currentrule.numQuantifiers();i++) {
1563 Quantifier q=currentrule.getQuantifier(i);
1564 if (q instanceof SetQuantifier) {
1565 SetQuantifier sq=(SetQuantifier) q;
1566 methodcall+=","+sq.getVar().getSafeSymbol();
1567 } else if (q instanceof RelationQuantifier) {
1568 RelationQuantifier rq=(RelationQuantifier) q;
1569 methodcall+=","+rq.x.getSafeSymbol();
1570 methodcall+=","+rq.y.getSafeSymbol();
1571 } else if (q instanceof ForQuantifier) {
1572 ForQuantifier fq=(ForQuantifier) q;
1573 methodcall+=","+fq.getVar().getSafeSymbol();
1579 cr.outputline("void *"+tmpptr.getSafeSymbol()+"=");
1580 cr.outputline("(void *) "+repairtable.getSafeSymbol()+"->getrelation("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+");");
1581 cr.outputline("if ("+ismdfyptr.getSafeSymbol()+")");
1584 cr.outputline("int "+mdfyptr.getSafeSymbol()+"="+repairtable.getSafeSymbol()+"->getrelation2("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+");");
1585 cr.outputline("void (*"+funptr.getSafeSymbol()+") ("+name+"_state *,"+name+"*,RepairHash *"+parttype+",int,int,int)="+"(void (*) ("+name+"_state *,"+name+"*,RepairHash *"+parttype+",int,int,int)) "+tmpptr.getSafeSymbol()+";");
1586 cr.outputline(methodcall+","+leftvar+", "+rightvar+", "+mdfyptr.getSafeSymbol() +");");
1589 cr.outputline("else ");
1592 cr.outputline("void (*"+funptr.getSafeSymbol()+") ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")="+"(void (*) ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")) "+tmpptr.getSafeSymbol()+";");
1593 cr.outputline(methodcall+");");
1596 cr.outputline("delete "+newmodel.getSafeSymbol()+";");
1597 cr.outputline("goto rebuild;");
1601 /* Build standard compensation actions */
1602 if (need_compensation(currentrule)) {
1603 UpdateNode un=find_compensation(currentrule);
1604 String name=(String)updatenames.get(un);
1605 usedupdates.add(un); /* Mark as used */
1606 String methodcall=name+"(this,"+oldmodel.getSafeSymbol()+","+repairtable.getSafeSymbol();
1607 for(int i=0;i<currentrule.numQuantifiers();i++) {
1608 Quantifier q=currentrule.getQuantifier(i);
1609 if (q instanceof SetQuantifier) {
1610 SetQuantifier sq=(SetQuantifier) q;
1611 methodcall+=","+sq.getVar().getSafeSymbol();
1612 } else if (q instanceof RelationQuantifier) {
1613 RelationQuantifier rq=(RelationQuantifier) q;
1614 methodcall+=","+rq.x.getSafeSymbol();
1615 methodcall+=","+rq.y.getSafeSymbol();
1616 } else if (q instanceof ForQuantifier) {
1617 ForQuantifier fq=(ForQuantifier) q;
1618 methodcall+=","+fq.getVar().getSafeSymbol();
1622 cr.outputline(methodcall);
1623 cr.outputline("delete "+newmodel.getSafeSymbol()+";");
1624 cr.outputline("goto rebuild;");
1630 String addeditem = (VarDescriptor.makeNew("addeditem")).getSafeSymbol();
1631 cr.outputline("int " + addeditem + "=0;");
1633 String ifstring="if (!maybe&&";
1634 boolean dogenerate=false;
1635 if (rd.getDomain().getType() instanceof StructureTypeDescriptor) {
1640 if (rd.getRange().getType() instanceof StructureTypeDescriptor) {
1642 ifstring+="&&"+rightvar;
1650 if (rd.testUsage(RelationDescriptor.IMAGE)) {
1651 cr.outputline(ifstring);
1652 cr.outputline(addeditem + " = " + rd.getSafeSymbol() + "_hash->add((int)" + leftvar + ", (int)" + rightvar+ ");");
1655 if (rd.testUsage(RelationDescriptor.INVIMAGE)) {
1656 cr.outputline(ifstring);
1657 cr.outputline(addeditem + " = " + rd.getSafeSymbol() + "_hashinv->add((int)" + rightvar + ", (int)" + leftvar + ");");
1661 Vector dispatchrules = getrulelist(rd);
1663 Set toremove=new HashSet();
1664 for(int i=0;i<dispatchrules.size();i++) {
1665 Rule r=(Rule)dispatchrules.get(i);
1666 if (!ruleset.contains(r))
1669 dispatchrules.removeAll(toremove);
1670 if (dispatchrules.size() == 0) {
1671 cr.outputline("// nothing to dispatch");
1675 cr.outputline("if (" + addeditem + ")");
1678 for(int i = 0; i < dispatchrules.size(); i++) {
1679 Rule rule = (Rule) dispatchrules.elementAt(i);
1680 if (rule.getGuardExpr().getRequiredDescriptors().contains(rd)) {
1681 /* Guard depends on this relation, so we recomput everything */
1682 cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+",-1,0,0);");
1684 for (int j=0;j<rule.numQuantifiers();j++) {
1685 Quantifier q=rule.getQuantifier(j);
1686 if (q.getRequiredDescriptors().contains(rd)) {
1688 cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+","+j+","+leftvar+","+rightvar+");");
1698 public void generate_dispatch(CodeWriter cr, SetDescriptor sd, String setvar) {
1699 cr.outputline("// SET DISPATCH ");
1700 if (Compiler.REPAIR) {
1701 cr.outputline("if ("+oldmodel.getSafeSymbol()+"&&");
1702 cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+sd.getJustSafeSymbol()+"_hash->contains("+setvar+"))");
1704 /* Adding new item */
1705 /* See if there is an outstanding update in the repairtable */
1706 cr.outputline("if ("+repairtable.getSafeSymbol()+"&&");
1707 cr.outputline(repairtable.getSafeSymbol()+"->containsset("+sd.getNum()+","+currentrule.getNum()+","+setvar+"))");
1709 /* Have update to call into */
1710 VarDescriptor funptr=VarDescriptor.makeNew("updateptr");
1712 for(int i=0;i<currentrule.numQuantifiers();i++) {
1713 if (currentrule.getQuantifier(i) instanceof RelationQuantifier)
1714 parttype=parttype+", int, int";
1716 parttype=parttype+", int";
1718 cr.outputline("void (*"+funptr.getSafeSymbol()+") ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")=");
1719 cr.outputline("(void (*) ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")) "+repairtable.getSafeSymbol()+"->getset("+sd.getNum()+","+currentrule.getNum()+","+setvar+");");
1720 String methodcall="("+funptr.getSafeSymbol()+") (this,"+oldmodel.getSafeSymbol()+","+
1721 repairtable.getSafeSymbol();
1722 for(int i=0;i<currentrule.numQuantifiers();i++) {
1723 Quantifier q=currentrule.getQuantifier(i);
1724 if (q instanceof SetQuantifier) {
1725 SetQuantifier sq=(SetQuantifier) q;
1726 methodcall+=","+sq.getVar().getSafeSymbol();
1727 } else if (q instanceof RelationQuantifier) {
1728 RelationQuantifier rq=(RelationQuantifier) q;
1729 methodcall+=","+rq.x.getSafeSymbol();
1730 methodcall+=","+rq.y.getSafeSymbol();
1731 } else if (q instanceof ForQuantifier) {
1732 ForQuantifier fq=(ForQuantifier) q;
1733 methodcall+=","+fq.getVar().getSafeSymbol();
1737 cr.outputline(methodcall);
1738 cr.outputline("delete "+newmodel.getSafeSymbol()+";");
1739 cr.outputline("goto rebuild;");
1742 /* Build standard compensation actions */
1743 Vector ruleset=new Vector();
1744 ruleset.add(currentrule);
1745 if (state.implicitruleinv.containsKey(currentrule))
1746 ruleset.addAll((Set)state.implicitruleinv.get(currentrule));
1747 for(int i=0;i<ruleset.size();i++) {
1748 Rule itrule=(Rule)ruleset.get(i);
1750 if (need_compensation(itrule)) {
1751 UpdateNode un=find_compensation(itrule);
1752 String name=(String)updatenames.get(un);
1753 usedupdates.add(un); /* Mark as used */
1755 String methodcall=name+"(this,"+oldmodel.getSafeSymbol()+","+
1756 repairtable.getSafeSymbol();
1757 for(int j=0;j<currentrule.numQuantifiers();j++) {
1758 Quantifier q=currentrule.getQuantifier(j);
1759 if (q instanceof SetQuantifier) {
1760 SetQuantifier sq=(SetQuantifier) q;
1761 methodcall+=","+sq.getVar().getSafeSymbol();
1762 } else if (q instanceof RelationQuantifier) {
1763 RelationQuantifier rq=(RelationQuantifier) q;
1764 methodcall+=","+rq.x.getSafeSymbol();
1765 methodcall+=","+rq.y.getSafeSymbol();
1766 } else if (q instanceof ForQuantifier) {
1767 ForQuantifier fq=(ForQuantifier) q;
1768 methodcall+=","+fq.getVar().getSafeSymbol();
1772 if (currentrule!=itrule) {
1773 SetDescriptor sdrule=((SetInclusion)itrule.getInclusion()).getSet();
1774 cr.outputline("if ("+oldmodel.getSafeSymbol()+"&&");
1775 cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+sdrule.getJustSafeSymbol()+"_hash->contains("+setvar+"))");
1778 cr.outputline(methodcall);
1779 cr.outputline("delete "+newmodel.getSafeSymbol()+";");
1780 cr.outputline("goto rebuild;");
1783 if (currentrule==itrule)
1789 String addeditem = (VarDescriptor.makeNew("addeditem")).getSafeSymbol();
1790 cr.outputline("int " + addeditem + " = 0;");
1791 if (sd.getType() instanceof StructureTypeDescriptor) {
1792 cr.outputline("if (!maybe&&"+setvar+")");
1794 cr.outputline("if (!maybe)");
1795 cr.outputline(addeditem + " = " + sd.getSafeSymbol() + "_hash->add((int)" + setvar + ", (int)" + setvar + ");");
1797 Vector dispatchrules = getrulelist(sd);
1799 Set toremove=new HashSet();
1800 for(int i=0;i<dispatchrules.size();i++) {
1801 Rule r=(Rule)dispatchrules.get(i);
1802 if (!ruleset.contains(r))
1805 dispatchrules.removeAll(toremove);
1807 if (dispatchrules.size() == 0) {
1808 cr.outputline("// nothing to dispatch");
1812 /* Add item to worklist if new */
1813 cr.outputline("if ("+addeditem+")");
1815 for(int i = 0; i < dispatchrules.size(); i++) {
1816 Rule rule = (Rule) dispatchrules.elementAt(i);
1817 if (SetDescriptor.expand(rule.getGuardExpr().getRequiredDescriptors()).contains(sd)) {
1818 /* Guard depends on this relation, so we recompute everything */
1819 cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+",-1,0,0);");
1821 for (int j=0;j<rule.numQuantifiers();j++) {
1822 Quantifier q=rule.getQuantifier(j);
1823 if (SetDescriptor.expand(q.getRequiredDescriptors()).contains(sd)) {
1825 cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+","+j+","+setvar+",0);");