import java.io.*;
import java.util.*;
import MCC.State;
+import MCC.Compiler;
public class RepairGenerator {
-
State state;
java.io.PrintWriter outputrepair = null;
java.io.PrintWriter outputaux = null;
java.io.PrintWriter outputhead = null;
String name="foo";
String headername;
- public RepairGenerator(State state) {
+ static VarDescriptor oldmodel=null;
+ static VarDescriptor newmodel=null;
+ static VarDescriptor worklist=null;
+ static VarDescriptor repairtable=null;
+ static VarDescriptor goodflag=null;
+ Rule currentrule=null;
+ Hashtable updatenames;
+ HashSet usedupdates;
+ Termination termination;
+ Set removed;
+ HashSet togenerate;
+ static boolean DEBUG=false;
+ Cost cost;
+ Sources sources;
+ ModelRuleDependence mrd;
+
+ public RepairGenerator(State state, Termination t) {
this.state = state;
+ updatenames=new Hashtable();
+ usedupdates=new HashSet();
+ termination=t;
+ removed=t.removedset;
+ togenerate=new HashSet();
+ togenerate.addAll(termination.conjunctions);
+ if (Compiler.REPAIR)
+ togenerate.removeAll(removed);
+ GraphNode.computeclosure(togenerate,removed);
+ cost=new Cost();
+ sources=new Sources(state);
+ mrd=ModelRuleDependence.doAnalysis(state);
+ Repair.repairgenerator=this;
+ }
+
+ private void generatetypechecks(boolean flag) {
+ if (flag) {
+ DotExpr.DOTYPECHECKS=true;
+ VarExpr.DOTYPECHECKS=true;
+ DotExpr.DONULL=true;
+ VarExpr.DONULL=true;
+ } else {
+ VarExpr.DOTYPECHECKS=false;
+ DotExpr.DOTYPECHECKS=false;
+ VarExpr.DONULL=true;
+ DotExpr.DONULL=true;
+ }
+ }
+
+
+ private void name_updates() {
+ int count=0;
+ for(Iterator it=termination.updatenodes.iterator();it.hasNext();) {
+ GraphNode gn=(GraphNode) it.next();
+ TermNode tn=(TermNode) gn.getOwner();
+ MultUpdateNode mun=tn.getUpdate();
+ if (togenerate.contains(gn))
+ for (int i=0;i<mun.numUpdates();i++) {
+ UpdateNode un=mun.getUpdate(i);
+ String name="update"+String.valueOf(count++);
+ updatenames.put(un,name);
+ }
+ }
}
public void generate(OutputStream outputrepair, OutputStream outputaux,OutputStream outputhead, String st) {
- this.outputrepair = new java.io.PrintWriter(outputrepair, true);
- this.outputaux = new java.io.PrintWriter(outputaux, true);
- this.outputhead = new java.io.PrintWriter(outputhead, true);
+ this.outputrepair = new java.io.PrintWriter(outputrepair, true);
+ this.outputaux = new java.io.PrintWriter(outputaux, true);
+ this.outputhead = new java.io.PrintWriter(outputhead, true);
headername=st;
-
+ name_updates();
+ generatetypechecks(true);
generate_tokentable();
generate_hashtables();
generate_stateobject();
generate_call();
- /* generate_worklist();
+ generate_start();
generate_rules();
+ generate_print();
generate_checks();
- generate_teardown();*/
+ generate_teardown();
+ CodeWriter crhead = new StandardCodeWriter(this.outputhead);
+ CodeWriter craux = new StandardCodeWriter(this.outputaux);
+ crhead.outputline("};");
+ craux.outputline("}");
+ generatetypechecks(false);
+ generate_computesizes();
+ generatetypechecks(true);
+ generate_recomputesizes();
+ generatetypechecks(false);
+ generate_updates();
+ StructureGenerator sg=new StructureGenerator(state,this);
+ sg.buildall();
+ crhead.outputline("#endif");
+ }
+
+ String ststate="state";
+ String stmodel="model";
+ String strepairtable="repairtable";
+ String stleft="left";
+ String stright="right";
+ String stnew="newvalue";
+
+ private void generate_updates() {
+ int count=0;
+ CodeWriter crhead = new StandardCodeWriter(outputhead);
+ CodeWriter craux = new StandardCodeWriter(outputaux);
+ /* Rewrite globals */
+
+ for (Iterator it=this.state.stGlobals.descriptors();it.hasNext();) {
+ VarDescriptor vd=(VarDescriptor)it.next();
+ craux.outputline("#define "+vd.getSafeSymbol()+" "+ststate+"->"+vd.getSafeSymbol());
+ }
+
+ for(Iterator it=termination.updatenodes.iterator();it.hasNext();) {
+ GraphNode gn=(GraphNode) it.next();
+ TermNode tn=(TermNode) gn.getOwner();
+ MultUpdateNode mun=tn.getUpdate();
+ boolean isrelation=(mun.getDescriptor() instanceof RelationDescriptor);
+ if (togenerate.contains(gn))
+ for (int i=0;i<mun.numUpdates();i++) {
+ UpdateNode un=mun.getUpdate(i);
+ String methodname=(String)updatenames.get(un);
+
+ switch(mun.op) {
+ case MultUpdateNode.ADD:
+ if (isrelation) {
+ crhead.outputline("void "+methodname+"("+name+"_state * " +ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+", int "+stright+");");
+ craux.outputline("void "+methodname+"("+name+"_state * "+ ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+", int "+stright+")");
+ } else {
+ crhead.outputline("void "+methodname+"("+name+"_state * "+ ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+");");
+ craux.outputline("void "+methodname+"("+name+"_state * "+ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable+", int "+stleft+")");
+ }
+ craux.startblock();
+ craux.outputline("int maybe=0;");
+ final SymbolTable st = un.getRule().getSymbolTable();
+ CodeWriter cr = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st; }
+ };
+ un.generate(cr, false, false, stleft,stright, null,this);
+ craux.outputline("if (maybe) printf(\"REALLY BAD\");");
+ craux.endblock();
+ break;
+ case MultUpdateNode.REMOVE: {
+ Rule r=un.getRule();
+ String methodcall="void "+methodname+"("+name+"_state * "+ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable;
+ for(int j=0;j<r.numQuantifiers();j++) {
+ Quantifier q=r.getQuantifier(j);
+ if (q instanceof SetQuantifier) {
+ SetQuantifier sq=(SetQuantifier) q;
+ methodcall+=","+sq.getVar().getType().getGenerateType().getSafeSymbol()+" "+sq.getVar().getSafeSymbol();
+ } else if (q instanceof RelationQuantifier) {
+ RelationQuantifier rq=(RelationQuantifier) q;
+
+ methodcall+=","+rq.x.getType().getGenerateType().getSafeSymbol()+" "+rq.x.getSafeSymbol();
+ methodcall+=","+rq.y.getType().getGenerateType().getSafeSymbol()+" "+rq.y.getSafeSymbol();
+ } else if (q instanceof ForQuantifier) {
+ ForQuantifier fq=(ForQuantifier) q;
+ methodcall+=",int "+fq.getVar().getSafeSymbol();
+ }
+ }
+ methodcall+=")";
+ crhead.outputline(methodcall+";");
+ craux.outputline(methodcall);
+ craux.startblock();
+ craux.outputline("int maybe=0;");
+ final SymbolTable st2 = un.getRule().getSymbolTable();
+ CodeWriter cr2 = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st2; }
+ };
+ un.generate(cr2, true, false, null,null, null,this);
+ craux.outputline("if (maybe) printf(\"REALLY BAD\");");
+ craux.endblock();
+ }
+ break;
+ case MultUpdateNode.MODIFY: {
+ Rule r=un.getRule();
+ String methodcall="void "+methodname+"("+name+"_state * "+ststate+","+name+" * "+stmodel+", RepairHash * "+strepairtable;
+ for(int j=0;j<r.numQuantifiers();j++) {
+ Quantifier q=r.getQuantifier(j);
+ if (q instanceof SetQuantifier) {
+ SetQuantifier sq=(SetQuantifier) q;
+ methodcall+=","+sq.getVar().getType().getGenerateType().getSafeSymbol()+" "+sq.getVar().getSafeSymbol();
+ } else if (q instanceof RelationQuantifier) {
+ RelationQuantifier rq=(RelationQuantifier) q;
+
+ methodcall+=", "+rq.x.getType().getGenerateType().getSafeSymbol()+" "+rq.x.getSafeSymbol();
+ methodcall+=", "+rq.y.getType().getGenerateType().getSafeSymbol()+" "+rq.y.getSafeSymbol();
+ } else if (q instanceof ForQuantifier) {
+ ForQuantifier fq=(ForQuantifier) q;
+ methodcall+=", int "+fq.getVar().getSafeSymbol();
+ }
+ }
+ methodcall+=", "+stleft+", "+stright+", "+stnew;
+ methodcall+=")";
+ crhead.outputline(methodcall+";");
+ craux.outputline(methodcall);
+ craux.startblock();
+ craux.outputline("int maybe=0;");
+ final SymbolTable st2 = un.getRule().getSymbolTable();
+ CodeWriter cr2 = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st2; }
+ };
+ un.generate(cr2, false, true, stleft, stright, stnew, this);
+ craux.outputline("if (maybe) printf(\"REALLY BAD\");");
+ craux.endblock();
+ }
+ break;
+
+ default:
+ throw new Error("Nonimplement Update");
+ }
+ }
+ }
}
private void generate_call() {
CodeWriter cr = new StandardCodeWriter(outputrepair);
VarDescriptor vdstate=VarDescriptor.makeNew("repairstate");
cr.outputline(name+"_state * "+vdstate.getSafeSymbol()+"=new "+name+"_state();");
-
-
Iterator globals=state.stGlobals.descriptors();
while (globals.hasNext()) {
VarDescriptor vd=(VarDescriptor) globals.next();
cr.outputline(vdstate.getSafeSymbol()+"->"+vd.getSafeSymbol()+"=("+vd.getType().getGenerateType().getSafeSymbol()+")"+vd.getSafeSymbol()+";");
}
/* Insert repair here */
-
+ cr.outputline(vdstate.getSafeSymbol()+"->doanalysis();");
globals=state.stGlobals.descriptors();
while (globals.hasNext()) {
VarDescriptor vd=(VarDescriptor) globals.next();
cr.outputline("*(("+vd.getType().getGenerateType().getSafeSymbol()+"*) &"+vd.getSafeSymbol()+")="+vdstate.getSafeSymbol()+"->"+vd.getSafeSymbol()+";");
}
-
- cr.outputline("delete ("+vdstate.getSafeSymbol()+");");
+ cr.outputline("delete "+vdstate.getSafeSymbol()+";");
}
- private void generate_tokentable() {
+ private void generate_tokentable() {
CodeWriter cr = new StandardCodeWriter(outputrepair);
Iterator tokens = TokenLiteralExpr.tokens.keySet().iterator();
VarDescriptor vd=(VarDescriptor) globals.next();
crhead.outputline(vd.getType().getGenerateType().getSafeSymbol()+" "+vd.getSafeSymbol()+";");
}
+ crhead.outputline("void computesizes(int *,int **);");
+ crhead.outputline("void recomputesizes();");
+ }
+
+ private void generate_computesizes() {
+ int max=TypeDescriptor.counter;
+ TypeDescriptor[] tdarray=new TypeDescriptor[max];
+ for(Iterator it=state.stTypes.descriptors();it.hasNext();) {
+ TypeDescriptor ttd=(TypeDescriptor)it.next();
+ tdarray[ttd.getId()]=ttd;
+ }
+ final SymbolTable st = state.stGlobals;
+ CodeWriter cr = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st; }
+ };
+
+ cr.outputline("void "+name+"_state::computesizes(int *sizearray,int **numele) {");
+ for(int i=0;i<max;i++) {
+ TypeDescriptor td=tdarray[i];
+ Expr size=td.getSizeExpr();
+ VarDescriptor vd=VarDescriptor.makeNew("size");
+ size.generate(cr,vd);
+ cr.outputline("sizearray["+i+"]="+vd.getSafeSymbol()+";");
+ }
+ for(int i=0;i<max;i++) {
+ TypeDescriptor td=tdarray[i];
+ if (td instanceof StructureTypeDescriptor) {
+ StructureTypeDescriptor std=(StructureTypeDescriptor) td;
+ for(int j=0;j<std.fieldlist.size();j++) {
+ FieldDescriptor fd=(FieldDescriptor)std.fieldlist.get(j);
+ if (fd instanceof ArrayDescriptor) {
+ ArrayDescriptor ad=(ArrayDescriptor)fd;
+ Expr index=ad.getIndexBound();
+ VarDescriptor vd=VarDescriptor.makeNew("index");
+ index.generate(cr,vd);
+ cr.outputline("numele["+i+"]["+j+"]="+vd.getSafeSymbol()+";");
+ }
+ }
+ }
+ }
+ cr.outputline("}");
+ }
+
+ private void generate_recomputesizes() {
+ int max=TypeDescriptor.counter;
+ TypeDescriptor[] tdarray=new TypeDescriptor[max];
+ for(Iterator it=state.stTypes.descriptors();it.hasNext();) {
+ TypeDescriptor ttd=(TypeDescriptor)it.next();
+ tdarray[ttd.getId()]=ttd;
+ }
+ final SymbolTable st = state.stGlobals;
+ CodeWriter cr = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st; }
+ };
+ cr.outputline("void "+name+"_state::recomputesizes() {");
+ for(int i=0;i<max;i++) {
+ TypeDescriptor td=tdarray[i];
+ Expr size=td.getSizeExpr();
+ VarDescriptor vd=VarDescriptor.makeNew("size");
+ size.generate(cr,vd);
+ }
+ for(int i=0;i<max;i++) {
+ TypeDescriptor td=tdarray[i];
+ if (td instanceof StructureTypeDescriptor) {
+ StructureTypeDescriptor std=(StructureTypeDescriptor) td;
+ for(int j=0;j<std.fieldlist.size();j++) {
+ FieldDescriptor fd=(FieldDescriptor)std.fieldlist.get(j);
+ if (fd instanceof ArrayDescriptor) {
+ ArrayDescriptor ad=(ArrayDescriptor)fd;
+ Expr index=ad.getIndexBound();
+ VarDescriptor vd=VarDescriptor.makeNew("index");
+ index.generate(cr,vd);
+ }
+ }
+ }
+ }
+ cr.outputline("}");
}
+
private void generate_hashtables() {
CodeWriter craux = new StandardCodeWriter(outputaux);
CodeWriter crhead = new StandardCodeWriter(outputhead);
+ crhead.outputline("#ifndef "+name+"_h");
+ crhead.outputline("#define "+name+"_h");
crhead.outputline("#include \"SimpleHash.h\"");
+ crhead.outputline("extern \"C\" {");
+ crhead.outputline("#include \"instrument.h\"");
+ crhead.outputline("}");
+ crhead.outputline("#include <stdio.h>");
+ crhead.outputline("#include <stdlib.h>");
crhead.outputline("class "+name+" {");
crhead.outputline("public:");
crhead.outputline(name+"();");
crhead.outputline("~"+name+"();");
craux.outputline("#include \""+headername+"\"");
+ craux.outputline("#include \"size.h\"");
craux.outputline(name+"::"+name+"() {");
craux.outputline("// creating hashtables ");
SetDescriptor set = (SetDescriptor) sets.next();
crhead.outputline("SimpleHash* " + set.getSafeSymbol() + "_hash;");
craux.outputline(set.getSafeSymbol() + "_hash = new SimpleHash();");
- }
+ }
/* second pass build relationships between hashtables */
sets = state.stSets.descriptors();
/* first pass create all the hash tables */
while (sets.hasNext()) {
SetDescriptor set = (SetDescriptor) sets.next();
- craux.outputline("delete("+set.getSafeSymbol() + "_hash);");
+ craux.outputline("delete "+set.getSafeSymbol() + "_hash;");
}
/* destroy relations */
RelationDescriptor relation = (RelationDescriptor) relations.next();
if (relation.testUsage(RelationDescriptor.IMAGE)) {
- craux.outputline("delete("+relation.getSafeSymbol() + "_hash);");
+ craux.outputline("delete "+relation.getSafeSymbol() + "_hash;");
}
if (relation.testUsage(RelationDescriptor.INVIMAGE)) {
- craux.outputline("delete(" + relation.getSafeSymbol() + ");");
+ craux.outputline("delete " + relation.getSafeSymbol() + "_hashinv;");
}
}
craux.outputline("}");
}
- private void generate_worklist() {
- CodeWriter cr = new StandardCodeWriter(outputrepair);
- cr.outputline("WORKLIST = new WorkList();");
+ private void generate_start() {
+ CodeWriter crhead = new StandardCodeWriter(outputhead);
+ CodeWriter craux = new StandardCodeWriter(outputaux);
+ oldmodel=VarDescriptor.makeNew("oldmodel");
+ newmodel=VarDescriptor.makeNew("newmodel");
+ worklist=VarDescriptor.makeNew("worklist");
+ goodflag=VarDescriptor.makeNew("goodflag");
+ repairtable=VarDescriptor.makeNew("repairtable");
+ crhead.outputline("void doanalysis();");
+ craux.outputline("void "+name +"_state::doanalysis()");
+ craux.startblock();
+ craux.outputline("int highmark;");
+ craux.outputline("initializestack(&highmark);");
+ craux.outputline("typeobject *typeobject1=gettypeobject();");
+ craux.outputline("typeobject1->computesizes(this);");
+ craux.outputline("recomputesizes();");
+ craux.outputline(name+ " * "+oldmodel.getSafeSymbol()+"=0;");
+ craux.outputline("WorkList * "+worklist.getSafeSymbol()+" = new WorkList();");
+ craux.outputline("RepairHash * "+repairtable.getSafeSymbol()+"=0;");
+ craux.outputline("while (1)");
+ craux.startblock();
+ craux.outputline(name+ " * "+newmodel.getSafeSymbol()+"=new "+name+"();");
}
private void generate_teardown() {
- CodeWriter cr = new StandardCodeWriter(outputrepair);
- cr.outputline("delete WORKLIST;");
+ CodeWriter cr = new StandardCodeWriter(outputaux);
+ cr.endblock();
+ }
+
+ private void generate_print() {
+
+ final SymbolTable st = new SymbolTable();
+
+ CodeWriter cr = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st; }
+ };
+
+ cr.outputline("// printing sets!");
+ cr.outputline("printf(\"\\n\\nPRINTING SETS AND RELATIONS\\n\");");
+
+ Iterator setiterator = state.stSets.descriptors();
+ while (setiterator.hasNext()) {
+ SetDescriptor sd = (SetDescriptor) setiterator.next();
+ if (sd.getSymbol().equals("int") || sd.getSymbol().equals("token")) {
+ continue;
+ }
+
+ String setname = sd.getSafeSymbol();
+
+ cr.startblock();
+ cr.outputline("// printing set " + setname);
+ cr.outputline("printf(\"\\nPrinting set " + sd.getSymbol() + " - %d elements \\n\", " + setname + "_hash->count());");
+ cr.outputline("SimpleIterator __setiterator;");
+ cr.outputline("" + setname + "_hash->iterator(__setiterator);");
+ cr.outputline("while (__setiterator.hasNext())");
+ cr.startblock();
+ cr.outputline("int __setval = (int) __setiterator.next();");
+
+ TypeDescriptor td = sd.getType();
+ if (td instanceof StructureTypeDescriptor) {
+ StructureTypeDescriptor std = (StructureTypeDescriptor) td;
+ VarDescriptor vd = new VarDescriptor ("__setval", "__setval", td, false);
+ std.generate_printout(cr, vd);
+ } else { // Missing type descriptor or reserved type, just print int
+ cr.outputline("printf(\"<%d> \", __setval);");
+ }
+
+
+ cr.endblock();
+ cr.endblock();
+ }
+
+ cr.outputline("printf(\"\\n\\n------------------- END PRINTING\\n\");");
}
+ Set ruleset=null;
private void generate_rules() {
-
- /* first we must sort the rules */
- Iterator allrules = state.vRules.iterator();
-
- Vector emptyrules = new Vector(); // rules with no quantifiers
- Vector worklistrules = new Vector(); // the rest of the rules
-
- while (allrules.hasNext()) {
- Rule rule = (Rule) allrules.next();
- ListIterator quantifiers = rule.quantifiers();
-
- boolean noquantifiers = true;
- while (quantifiers.hasNext()) {
- Quantifier quantifier = (Quantifier) quantifiers.next();
- if (quantifier instanceof ForQuantifier) {
- // ok, because integers exist already!
- } else {
- // real quantifier
- noquantifiers = false;
- break;
- }
- }
+ /* first we must sort the rules */
+ RelationDescriptor.prefix = newmodel.getSafeSymbol()+"->";
+ SetDescriptor.prefix = newmodel.getSafeSymbol()+"->";
+ System.out.println("SCC="+(mrd.numSCC()-1));
+ for(int sccindex=0;sccindex<mrd.numSCC();sccindex++) {
+ ruleset=mrd.getSCC(sccindex);
+ boolean needworklist=mrd.hasCycle(sccindex);
+
+ if (!needworklist) {
+ Iterator iterator_rs = ruleset.iterator();
+ while (iterator_rs.hasNext()) {
+ Rule rule = (Rule) iterator_rs.next();
+ {
+ final SymbolTable st = rule.getSymbolTable();
+ CodeWriter cr = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st; }
+ };
+ cr.outputline("// build " +escape(rule.toString()));
+ cr.startblock();
+ cr.outputline("int maybe=0;");
+ ListIterator quantifiers = rule.quantifiers();
+ while (quantifiers.hasNext()) {
+ Quantifier quantifier = (Quantifier) quantifiers.next();
+ quantifier.generate_open(cr);
+ }
+
+ /* pretty print! */
+ cr.output("//");
+ rule.getGuardExpr().prettyPrint(cr);
+ cr.outputline("");
+
+ /* now we have to generate the guard test */
+ VarDescriptor guardval = VarDescriptor.makeNew();
+ rule.getGuardExpr().generate(cr, guardval);
+ cr.outputline("if (" + guardval.getSafeSymbol() + ")");
+ cr.startblock();
+
+ /* now we have to generate the inclusion code */
+ currentrule=rule;
+ rule.getInclusion().generate(cr);
+ cr.endblock();
+ while (quantifiers.hasPrevious()) {
+ Quantifier quantifier = (Quantifier) quantifiers.previous();
+ cr.endblock();
+ }
+ cr.endblock();
+ cr.outputline("");
+ cr.outputline("");
+ }
+ }
+ } else {
+ CodeWriter cr2 = new StandardCodeWriter(outputaux);
+
+ for(Iterator initialworklist=ruleset.iterator();initialworklist.hasNext();) {
+ /** Construct initial worklist set */
+ Rule rule=(Rule)initialworklist.next();
+ cr2.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+",-1,0,0);");
+ }
+
+ cr2.outputline("while ("+worklist.getSafeSymbol()+"->hasMoreElements())");
+ cr2.startblock();
+ VarDescriptor idvar=VarDescriptor.makeNew("id");
+ cr2.outputline("int "+idvar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->getid();");
+
+ String elseladder = "if";
+
+ Iterator iterator_rules = ruleset.iterator();
+ while (iterator_rules.hasNext()) {
+
+ Rule rule = (Rule) iterator_rules.next();
+ int dispatchid = rule.getNum();
+
+ {
+ final SymbolTable st = rule.getSymbolTable();
+ CodeWriter cr = new StandardCodeWriter(outputaux) {
+ public SymbolTable getSymbolTable() { return st; }
+ };
+
+ cr.indent();
+ cr.outputline(elseladder + " ("+idvar.getSafeSymbol()+" == " + dispatchid + ")");
+ cr.startblock();
+ cr.outputline("int maybe=0;");
+ VarDescriptor typevar=VarDescriptor.makeNew("type");
+ VarDescriptor leftvar=VarDescriptor.makeNew("left");
+ VarDescriptor rightvar=VarDescriptor.makeNew("right");
+ cr.outputline("int "+typevar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->gettype();");
+ cr.outputline("int "+leftvar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->getlvalue();");
+ cr.outputline("int "+rightvar.getSafeSymbol()+"="+worklist.getSafeSymbol()+"->getrvalue();");
+ cr.outputline("// build " +escape(rule.toString()));
+
+
+ for (int j=0;j<rule.numQuantifiers();j++) {
+ Quantifier quantifier = rule.getQuantifier(j);
+ quantifier.generate_open(cr, typevar.getSafeSymbol(),j,leftvar.getSafeSymbol(),rightvar.getSafeSymbol());
+ }
+
+ /* pretty print! */
+ cr.output("//");
+
+ rule.getGuardExpr().prettyPrint(cr);
+ cr.outputline("");
+
+ /* now we have to generate the guard test */
+
+ VarDescriptor guardval = VarDescriptor.makeNew();
+ rule.getGuardExpr().generate(cr, guardval);
+
+ cr.outputline("if (" + guardval.getSafeSymbol() + ")");
+ cr.startblock();
+
+ /* now we have to generate the inclusion code */
+ currentrule=rule;
+ rule.getInclusion().generate(cr);
+ cr.endblock();
+
+ for (int j=0;j<rule.numQuantifiers();j++) {
+ cr.endblock();
+ }
+
+ // close startblocks generated by DotExpr memory checks
+ //DotExpr.generate_memory_endblocks(cr);
+
+ cr.endblock(); // end else-if WORKLIST ladder
+
+ elseladder = "else if";
+ }
+ }
+ cr2.outputline("else");
+ cr2.startblock();
+ cr2.outputline("printf(\"VERY BAD !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\\n\\n\");");
+ cr2.outputline("exit(1);");
+ cr2.endblock();
+ // end block created for worklist
+ cr2.outputline(worklist.getSafeSymbol()+"->pop();");
+ cr2.endblock();
+ }
+ }
+ }
- if (noquantifiers) {
- emptyrules.add(rule);
- } else {
- worklistrules.add(rule);
- }
- }
-
- Iterator iterator_er = emptyrules.iterator();
- while (iterator_er.hasNext()) {
+ public static String escape(String s) {
+ String newstring="";
+ for(int i=0;i<s.length();i++) {
+ char c=s.charAt(i);
+ if (c=='"')
+ newstring+="\"";
+ else
+ newstring+=c;
+ }
+ return newstring;
+ }
- Rule rule = (Rule) iterator_er.next();
+ private void generate_checks() {
+ /* do constraint checks */
+ // Vector constraints = state.vConstraints;
+
+
+ // for (int i = 0; i < constraints.size(); i++) {
+ // Constraint constraint = (Constraint) constraints.elementAt(i);
+ for (Iterator i = termination.constraintdependence.computeOrdering().iterator(); i.hasNext();) {
+ Constraint constraint = (Constraint) ((GraphNode)i.next()).getOwner();
+
{
- final SymbolTable st = rule.getSymbolTable();
- CodeWriter cr = new StandardCodeWriter(outputrepair) {
- public SymbolTable getSymbolTable() { return st; }
- };
-
- cr.outputline("// build " + rule.getLabel());
+ final SymbolTable st = constraint.getSymbolTable();
+ CodeWriter cr = new StandardCodeWriter(outputaux);
+ cr.pushSymbolTable(constraint.getSymbolTable());
+
+ cr.outputline("// checking " + escape(constraint.toString()));
cr.startblock();
- ListIterator quantifiers = rule.quantifiers();
+ ListIterator quantifiers = constraint.quantifiers();
while (quantifiers.hasNext()) {
- Quantifier quantifier = (Quantifier) quantifiers.next();
+ Quantifier quantifier = (Quantifier) quantifiers.next();
quantifier.generate_open(cr);
- }
-
- /* pretty print! */
- cr.output("//");
- rule.getGuardExpr().prettyPrint(cr);
- cr.outputline("");
+ }
+ cr.outputline("int maybe = 0;");
+
/* now we have to generate the guard test */
- VarDescriptor guardval = VarDescriptor.makeNew();
- rule.getGuardExpr().generate(cr, guardval);
+ VarDescriptor constraintboolean = VarDescriptor.makeNew("constraintboolean");
+ constraint.getLogicStatement().generate(cr, constraintboolean);
- cr.outputline("if (" + guardval.getSafeSymbol() + ")");
+ cr.outputline("if (maybe)");
cr.startblock();
-
- /* now we have to generate the inclusion code */
- rule.getInclusion().generate(cr);
+ cr.outputline("printf(\"maybe fail " + escape(constraint.toString()) + ". \\n\");");
+ cr.outputline("exit(1);");
cr.endblock();
+ cr.outputline("else if (!" + constraintboolean.getSafeSymbol() + ")");
+ cr.startblock();
+ if (!Compiler.REPAIR)
+ cr.outputline("printf(\"fail " + escape(constraint.toString()) + ". \\n\");");
+ else {
+ /* Do repairs */
+ /* Build new repair table */
+ cr.outputline("if ("+repairtable.getSafeSymbol()+")");
+ cr.outputline("delete "+repairtable.getSafeSymbol()+";");
+ cr.outputline(repairtable.getSafeSymbol()+"=new RepairHash();");
+
+
+ /* Compute cost of each repair */
+ VarDescriptor mincost=VarDescriptor.makeNew("mincost");
+ VarDescriptor mincostindex=VarDescriptor.makeNew("mincostindex");
+ DNFConstraint dnfconst=constraint.dnfconstraint;
+ if (dnfconst.size()<=1) {
+ cr.outputline("int "+mincostindex.getSafeSymbol()+"=0;");
+ }
+ if (dnfconst.size()>1) {
+ cr.outputline("int "+mincostindex.getSafeSymbol()+";");
+ boolean first=true;
+ for(int j=0;j<dnfconst.size();j++) {
+ Conjunction conj=dnfconst.get(j);
+ GraphNode gn=(GraphNode)termination.conjtonodemap.get(conj);
+ if (removed.contains(gn))
+ continue;
+
+ VarDescriptor costvar;
+ if (first) {
+ costvar=mincost;
+ } else
+ costvar=VarDescriptor.makeNew("cost");
+ for(int k=0;k<conj.size();k++) {
+ DNFPredicate dpred=conj.get(k);
+ Predicate p=dpred.getPredicate();
+ boolean negate=dpred.isNegated();
+ VarDescriptor predvalue=VarDescriptor.makeNew("Predicatevalue");
+ p.generate(cr,predvalue);
+ if (negate)
+ cr.outputline("if (maybe||"+predvalue.getSafeSymbol()+")");
+ else
+ cr.outputline("if (maybe||!"+predvalue.getSafeSymbol()+")");
+ if (k==0)
+ cr.outputline("int "+costvar.getSafeSymbol()+"="+cost.getCost(dpred)+";");
+ else
+ cr.outputline(costvar.getSafeSymbol()+"+="+cost.getCost(dpred)+";");
+ }
+
+ if(!first) {
+ cr.outputline("if ("+costvar.getSafeSymbol()+"<"+mincost.getSafeSymbol()+")");
+ cr.startblock();
+ cr.outputline(mincost.getSafeSymbol()+"="+costvar.getSafeSymbol()+";");
+ cr.outputline(mincostindex.getSafeSymbol()+"="+j+";");
+ cr.endblock();
+ } else
+ cr.outputline(mincostindex.getSafeSymbol()+"="+j+";");
+ first=false;
+ }
+ }
+ cr.outputline("switch("+mincostindex.getSafeSymbol()+") {");
+ for(int j=0;j<dnfconst.size();j++) {
+ Conjunction conj=dnfconst.get(j);
+ GraphNode gn=(GraphNode)termination.conjtonodemap.get(conj);
+ if (removed.contains(gn))
+ continue;
+ cr.outputline("case "+j+":");
+ for(int k=0;k<conj.size();k++) {
+ DNFPredicate dpred=conj.get(k);
+ Predicate p=dpred.getPredicate();
+ boolean negate=dpred.isNegated();
+ VarDescriptor predvalue=VarDescriptor.makeNew("Predicatevalue");
+ p.generate(cr,predvalue);
+ if (negate)
+ cr.outputline("if (maybe||"+predvalue.getSafeSymbol()+")");
+ else
+ cr.outputline("if (maybe||!"+predvalue.getSafeSymbol()+")");
+ cr.startblock();
+ if (p instanceof InclusionPredicate)
+ generateinclusionrepair(conj,dpred, cr);
+ else if (p instanceof ExprPredicate) {
+ ExprPredicate ep=(ExprPredicate)p;
+ if (ep.getType()==ExprPredicate.SIZE)
+ generatesizerepair(conj,dpred,cr);
+ else if (ep.getType()==ExprPredicate.COMPARISON)
+ generatecomparisonrepair(conj,dpred,cr);
+ } else throw new Error("Unrecognized Predicate");
+ cr.endblock();
+ }
+ /* Update model */
+ cr.outputline("break;");
+ }
+ cr.outputline("}");
+
+ cr.outputline("if ("+oldmodel.getSafeSymbol()+")");
+ cr.outputline("delete "+oldmodel.getSafeSymbol()+";");
+ cr.outputline(oldmodel.getSafeSymbol()+"="+newmodel.getSafeSymbol()+";");
+ cr.outputline("goto rebuild;"); /* Rebuild model and all */
+ }
+ cr.endblock();
+
while (quantifiers.hasPrevious()) {
Quantifier quantifier = (Quantifier) quantifiers.previous();
cr.endblock();
}
-
cr.endblock();
cr.outputline("");
cr.outputline("");
}
}
+ CodeWriter cr = new StandardCodeWriter(outputaux);
+ cr.startblock();
+ cr.outputline("if ("+repairtable.getSafeSymbol()+")");
+ cr.outputline("delete "+repairtable.getSafeSymbol()+";");
+ cr.outputline("if ("+oldmodel.getSafeSymbol()+")");
+ cr.outputline("delete "+oldmodel.getSafeSymbol()+";");
+ cr.outputline("delete "+newmodel.getSafeSymbol()+";");
+ cr.outputline("delete "+worklist.getSafeSymbol()+";");
+ cr.outputline("resettypemap();");
+ cr.outputline("break;");
+ cr.endblock();
+ cr.outputline("rebuild:");
+ cr.outputline(";");
+
+ }
+
+ private MultUpdateNode getmultupdatenode(Conjunction conj, DNFPredicate dpred, int repairtype) {
+ MultUpdateNode mun=null;
+ GraphNode gn=(GraphNode) termination.conjtonodemap.get(conj);
+ for(Iterator edgeit=gn.edges();(mun==null)&&edgeit.hasNext();) {
+ GraphNode gn2=((GraphNode.Edge) edgeit.next()).getTarget();
+ TermNode tn2=(TermNode)gn2.getOwner();
+ if (tn2.getType()==TermNode.ABSTRACT) {
+ AbstractRepair ar=tn2.getAbstract();
+ if (((repairtype==-1)||(ar.getType()==repairtype))&&
+ ar.getPredicate()==dpred) {
+ for(Iterator edgeit2=gn2.edges();edgeit2.hasNext();) {
+ GraphNode gn3=((GraphNode.Edge) edgeit2.next()).getTarget();
+ if (!removed.contains(gn3)) {
+ TermNode tn3=(TermNode)gn3.getOwner();
+ if (tn3.getType()==TermNode.UPDATE) {
+ mun=tn3.getUpdate();
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ return mun;
+ }
- CodeWriter cr2 = new StandardCodeWriter(outputrepair);
-
- cr2.outputline("WORKLIST->reset();");
- cr2.outputline("while (WORKLIST->hasMoreElements())");
- cr2.startblock();
- cr2.outputline("WORKITEM *wi = (WORKITEM *) WORKLIST->nextElement();");
-
- String elseladder = "if";
-
- Iterator iterator_rules = worklistrules.iterator();
- while (iterator_rules.hasNext()) {
-
- Rule rule = (Rule) iterator_rules.next();
- int dispatchid = rule.getNum();
-
- {
- final SymbolTable st = rule.getSymbolTable();
- CodeWriter cr = new StandardCodeWriter(outputrepair) {
- public SymbolTable getSymbolTable() { return st; }
- };
-
- cr.indent();
- cr.outputline(elseladder + " (wi->id == " + dispatchid + ")");
- cr.startblock();
-
- cr.outputline("// build " + rule.getLabel());
-
- ListIterator quantifiers = rule.quantifiers();
+ /** Generates abstract (and concrete) repair for a comparison */
+
+ private void generatecomparisonrepair(Conjunction conj, DNFPredicate dpred, CodeWriter cr){
+ MultUpdateNode munmodify=getmultupdatenode(conj,dpred,AbstractRepair.MODIFYRELATION);
+ MultUpdateNode munremove=getmultupdatenode(conj,dpred,AbstractRepair.REMOVEFROMRELATION);
+ MultUpdateNode munadd=getmultupdatenode(conj,dpred,AbstractRepair.ADDTORELATION);
+ ExprPredicate ep=(ExprPredicate)dpred.getPredicate();
+ RelationDescriptor rd=(RelationDescriptor)ep.getDescriptor();
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+ boolean inverted=ep.inverted();
+ boolean negated=dpred.isNegated();
+ OpExpr expr=(OpExpr)ep.expr;
+ Opcode opcode=expr.getOpcode();
+ VarDescriptor leftside=VarDescriptor.makeNew("leftside");
+ VarDescriptor rightside=VarDescriptor.makeNew("rightside");
+ VarDescriptor newvalue=VarDescriptor.makeNew("newvalue");
+ if (!inverted) {
+ expr.getLeftExpr().generate(cr,leftside);
+ expr.getRightExpr().generate(cr,newvalue);
+ cr.outputline(rd.getRange().getType().getGenerateType().getSafeSymbol()+" "+rightside.getSafeSymbol()+";");
+ cr.outputline(rd.getSafeSymbol()+"_hash->get("+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
+ } else {
+ expr.getLeftExpr().generate(cr,rightside);
+ expr.getRightExpr().generate(cr,newvalue);
+ cr.outputline(rd.getDomain().getType().getGenerateType().getSafeSymbol()+" "+leftside.getSafeSymbol()+";");
+ cr.outputline(rd.getSafeSymbol()+"_hashinv->get("+leftside.getSafeSymbol()+","+leftside.getSafeSymbol()+");");
+ }
+ if (negated)
+ if (opcode==Opcode.GT) {
+ opcode=Opcode.LE;
+ } else if (opcode==Opcode.GE) {
+ opcode=Opcode.LT;
+ } else if (opcode==Opcode.LT) {
+ opcode=Opcode.GE;
+ } else if (opcode==Opcode.LE) {
+ opcode=Opcode.GT;
+ } else if (opcode==Opcode.EQ) {
+ opcode=Opcode.NE;
+ } else if (opcode==Opcode.NE) {
+ opcode=Opcode.EQ;
+ } else {
+ throw new Error("Unrecognized Opcode");
+ }
+
+ if (opcode==Opcode.GT) {
+ cr.outputline(newvalue.getSafeSymbol()+"++;");
+ } else if (opcode==Opcode.GE) {
+ /* Equal */
+ } else if (opcode==Opcode.LT) {
+ cr.outputline(newvalue.getSafeSymbol()+"--;");
+ } else if (opcode==Opcode.LE) {
+ /* Equal */
+ } else if (opcode==Opcode.EQ) {
+ /* Equal */
+ } else if (opcode==Opcode.NE) { /* search for FLAGNE if this is changed*/
+ cr.outputline(newvalue.getSafeSymbol()+"++;");
+ } else {
+ throw new Error("Unrecognized Opcode");
+ }
+ /* Do abstract repairs */
+ if (usageimage) {
+ cr.outputline(rd.getSafeSymbol()+"_hash->remove("+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
+ if (!inverted) {
+ cr.outputline(rd.getSafeSymbol()+"_hash->add("+leftside.getSafeSymbol()+","+newvalue.getSafeSymbol()+");");
+ } else {
+ cr.outputline(rd.getSafeSymbol()+"_hash->add("+newvalue.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
+ }
+ }
+ if (usageinvimage) {
+ cr.outputline(rd.getSafeSymbol()+"_hashinv->remove("+rightside.getSafeSymbol()+","+leftside.getSafeSymbol()+");");
+ if (!inverted) {
+ cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+newvalue.getSafeSymbol()+","+leftside.getSafeSymbol()+");");
+ } else {
+ cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+rightside.getSafeSymbol()+","+newvalue.getSafeSymbol()+");");
+ }
+ }
+ /* Do concrete repairs */
+ if (munmodify!=null) {
+ for(int i=0;i<state.vRules.size();i++) {
+ Rule r=(Rule)state.vRules.get(i);
+ if (r.getInclusion().getTargetDescriptors().contains(rd)) {
+ for(int j=0;j<munmodify.numUpdates();j++) {
+ UpdateNode un=munmodify.getUpdate(j);
+ if (un.getRule()==r) {
+ /* Update for rule r */
+ String name=(String)updatenames.get(un);
+ cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+",(int) &"+name+","+newvalue.getSafeSymbol()+");");
+ }
+ }
+ }
+ }
+
+ } else {
+ /* Start with scheduling removal */
+ for(int i=0;i<state.vRules.size();i++) {
+ Rule r=(Rule)state.vRules.get(i);
+ if (r.getInclusion().getTargetDescriptors().contains(rd)) {
+ for(int j=0;j<munremove.numUpdates();j++) {
+ UpdateNode un=munremove.getUpdate(i);
+ if (un.getRule()==r) {
+ /* Update for rule r */
+ String name=(String)updatenames.get(un);
+ cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftside.getSafeSymbol()+","+rightside.getSafeSymbol()+",(int) &"+name+");");
+ }
+ }
+ }
+ }
+ /* Now do addition */
+ UpdateNode un=munadd.getUpdate(0);
+ String name=(String)updatenames.get(un);
+ if (!inverted) {
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+leftside.getSafeSymbol()+","+newvalue.getSafeSymbol()+");");
+ } else {
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+newvalue.getSafeSymbol()+","+rightside.getSafeSymbol()+");");
+ }
+ }
+ }
- int count = 0;
- while (quantifiers.hasNext()) {
- Quantifier quantifier = (Quantifier) quantifiers.next();
- count = quantifier.generate_worklistload(cr, count );
- }
-
- /* pretty print! */
- cr.output("//");
- rule.getGuardExpr().prettyPrint(cr);
- cr.outputline("");
+ public void generatesizerepair(Conjunction conj, DNFPredicate dpred, CodeWriter cr) {
+ ExprPredicate ep=(ExprPredicate)dpred.getPredicate();
+ OpExpr expr=(OpExpr)ep.expr;
+ Opcode opcode=expr.getOpcode();
+ opcode=Opcode.translateOpcode(dpred.isNegated(),opcode);
+
+ MultUpdateNode munremove;
+
+ MultUpdateNode munadd;
+ if (ep.getDescriptor() instanceof RelationDescriptor) {
+ munremove=getmultupdatenode(conj,dpred,AbstractRepair.REMOVEFROMRELATION);
+ munadd=getmultupdatenode(conj,dpred,AbstractRepair.ADDTORELATION);
+ } else {
+ munremove=getmultupdatenode(conj,dpred,AbstractRepair.REMOVEFROMSET);
+ munadd=getmultupdatenode(conj,dpred,AbstractRepair.ADDTOSET);
+ }
+ int size=ep.rightSize();
+ VarDescriptor sizevar=VarDescriptor.makeNew("size");
+ ((OpExpr)expr).left.generate(cr, sizevar);
+ VarDescriptor change=VarDescriptor.makeNew("change");
+ cr.outputline("int "+change.getSafeSymbol()+";");
+ boolean generateadd=false;
+ boolean generateremove=false;
+ if (opcode==Opcode.GT) {
+ cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size+1)+"-"+sizevar.getSafeSymbol()+";");
+ generateadd=true;
+ generateremove=false;
+ } else if (opcode==Opcode.GE) {
+ cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size)+"-"+sizevar.getSafeSymbol()+";");
+ generateadd=true;
+ generateremove=false;
+ } else if (opcode==Opcode.LT) {
+ cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size-1)+"-"+sizevar.getSafeSymbol()+";");
+ generateadd=false;
+ generateremove=true;
+ } else if (opcode==Opcode.LE) {
+ cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size)+"-"+sizevar.getSafeSymbol()+";");
+ generateadd=false;
+ generateremove=true;
+ } else if (opcode==Opcode.EQ) {
+ cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size)+"-"+sizevar.getSafeSymbol()+";");
+ if (size==0)
+ generateadd=false;
+ else
+ generateadd=true;
+ generateremove=true;
+ } else if (opcode==Opcode.NE) {
+ cr.outputline(change.getSafeSymbol()+"="+String.valueOf(size+1)+"-"+sizevar.getSafeSymbol()+";");
+ generateadd=true;
+ generateremove=false;
+ } else {
+ throw new Error("Unrecognized Opcode");
+ }
- /* now we have to generate the guard test */
-
- VarDescriptor guardval = VarDescriptor.makeNew();
- rule.getGuardExpr().generate(cr, guardval);
-
- cr.outputline("if (" + guardval.getSafeSymbol() + ")");
- cr.startblock();
+// In some cases the analysis has determined that generating removes
+// is unnecessary
+ if (generateremove&&munremove==null)
+ generateremove=false;
+
+ Descriptor d=ep.getDescriptor();
+ if (generateremove) {
+ cr.outputline("for(;"+change.getSafeSymbol()+"<0;"+change.getSafeSymbol()+"++)");
+ cr.startblock();
+ /* Find element to remove */
+ VarDescriptor leftvar=VarDescriptor.makeNew("leftvar");
+ VarDescriptor rightvar=VarDescriptor.makeNew("rightvar");
+ if (d instanceof RelationDescriptor) {
+ if (ep.inverted()) {
+ rightvar=((ImageSetExpr)((SizeofExpr)((OpExpr)expr).left).setexpr).getVar();
+ cr.outputline("int "+leftvar.getSafeSymbol()+";");
+ cr.outputline(d.getSafeSymbol()+"_hashinv->get((int)"+rightvar.getSafeSymbol()+","+leftvar.getSafeSymbol()+");");
+ } else {
+ leftvar=((ImageSetExpr)((SizeofExpr)((OpExpr)expr).left).setexpr).getVar();
+ cr.outputline("int "+rightvar.getSafeSymbol()+"=0;");
+ cr.outputline(d.getSafeSymbol()+"_hash->get((int)"+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+");");
+ }
+ } else {
+ cr.outputline("int "+leftvar.getSafeSymbol()+"="+d.getSafeSymbol()+"_hash->firstkey();");
+ }
+ /* Generate abstract remove instruction */
+ if (d instanceof RelationDescriptor) {
+ RelationDescriptor rd=(RelationDescriptor) d;
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol() + "_hashinv->remove((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+ } else {
+ cr.outputline(d.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+ }
+ /* Generate concrete remove instruction */
+ for(int i=0;i<state.vRules.size();i++) {
+ Rule r=(Rule)state.vRules.get(i);
+ if (r.getInclusion().getTargetDescriptors().contains(d)) {
+ for(int j=0;j<munremove.numUpdates();j++) {
+ UpdateNode un=munremove.getUpdate(j);
+ if (un.getRule()==r) {
+ /* Update for rule rule r */
+ String name=(String)updatenames.get(un);
+ if (d instanceof RelationDescriptor) {
+ cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+d.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+",(int) &"+name+");");
+ } else {
+ cr.outputline(repairtable.getSafeSymbol()+"->addset("+d.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+",(int) &"+name+");");
+ }
+ }
+ }
+ }
+ }
+ cr.endblock();
+ }
+ if (generateadd) {
+
+ cr.outputline("for(;"+change.getSafeSymbol()+">0;"+change.getSafeSymbol()+"--)");
+ cr.startblock();
+ VarDescriptor newobject=VarDescriptor.makeNew("newobject");
+ if (d instanceof RelationDescriptor) {
+ VarDescriptor otherside=((ImageSetExpr)((SizeofExpr)((OpExpr)ep.expr).left).setexpr).vd;
+ RelationDescriptor rd=(RelationDescriptor)d;
+ if (sources.relsetSource(rd,!ep.inverted())) {
+ /* Set Source */
+ SetDescriptor sd=sources.relgetSourceSet(rd,!ep.inverted());
+ VarDescriptor iterator=VarDescriptor.makeNew("iterator");
+ cr.outputline(sd.getType().getGenerateType().getSafeSymbol() +" "+newobject.getSafeSymbol()+";");
+ cr.outputline("for("+iterator.getSafeSymbol()+"="+sd.getSafeSymbol()+"_hash->iterator();"+iterator.getSafeSymbol()+".hasNext();)");
+ cr.startblock();
+ if (ep.inverted()) {
+ cr.outputline("if !"+rd.getSafeSymbol()+"_hashinv->contains("+iterator.getSafeSymbol()+"->key(),"+otherside.getSafeSymbol()+")");
+ } else {
+ cr.outputline("if !"+rd.getSafeSymbol()+"_hash->contains("+otherside.getSafeSymbol()+","+iterator.getSafeSymbol()+"->key())");
+ }
+ cr.outputline(newobject.getSafeSymbol()+"="+iterator.getSafeSymbol()+".key();");
+ cr.outputline(iterator.getSafeSymbol()+"->next();");
+ cr.endblock();
+ } else if (sources.relallocSource(rd,!ep.inverted())) {
+ /* Allocation Source*/
+ sources.relgenerateSourceAlloc(cr,newobject,rd,!ep.inverted());
+ } else throw new Error("No source for adding to Relation");
+ if (ep.inverted()) {
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol()+"_hash->add("+newobject.getSafeSymbol()+","+otherside.getSafeSymbol()+");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+otherside.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
+
+ UpdateNode un=munadd.getUpdate(0);
+ String name=(String)updatenames.get(un);
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+newobject.getSafeSymbol()+","+otherside.getSafeSymbol()+");");
+ } else {
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol()+"_hash->add("+otherside.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol()+"_hashinv->add("+newobject.getSafeSymbol()+","+otherside.getSafeSymbol()+");");
+ UpdateNode un=munadd.getUpdate(0);
+ String name=(String)updatenames.get(un);
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+otherside.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
+ }
+ } else {
+ SetDescriptor sd=(SetDescriptor)d;
+ if (sources.setSource(sd)) {
+ /* Set Source */
+ /* Set Source */
+ SetDescriptor sourcesd=sources.getSourceSet(sd);
+ VarDescriptor iterator=VarDescriptor.makeNew("iterator");
+ cr.outputline(sourcesd.getType().getGenerateType().getSafeSymbol() +" "+newobject.getSafeSymbol()+";");
+ cr.outputline("for("+iterator.getSafeSymbol()+"="+sourcesd.getSafeSymbol()+"_hash->iterator();"+iterator.getSafeSymbol()+".hasNext();)");
+ cr.startblock();
+ cr.outputline("if !"+sd.getSafeSymbol()+"_hash->contains("+iterator.getSafeSymbol()+"->key())");
+ cr.outputline(newobject.getSafeSymbol()+"="+iterator.getSafeSymbol()+".key();");
+ cr.outputline(iterator.getSafeSymbol()+"->next();");
+ cr.endblock();
+ } else if (sources.allocSource(sd)) {
+ /* Allocation Source*/
+ sources.generateSourceAlloc(cr,newobject,sd);
+ } else throw new Error("No source for adding to Set");
+ cr.outputline(sd.getSafeSymbol()+"_hash->add("+newobject.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
+ UpdateNode un=munadd.getUpdate(0);
+ String name=(String)updatenames.get(un);
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+newobject.getSafeSymbol()+");");
+ }
+ cr.endblock();
+ }
+ }
- /* now we have to generate the inclusion code */
- rule.getInclusion().generate(cr);
- cr.endblock();
+ public void generateinclusionrepair(Conjunction conj, DNFPredicate dpred, CodeWriter cr){
+ InclusionPredicate ip=(InclusionPredicate) dpred.getPredicate();
+ boolean negated=dpred.isNegated();
+ MultUpdateNode mun=getmultupdatenode(conj,dpred,-1);
+ VarDescriptor leftvar=VarDescriptor.makeNew("left");
+ ip.expr.generate(cr, leftvar);
+
+ if (negated) {
+ if (ip.setexpr instanceof ImageSetExpr) {
+ ImageSetExpr ise=(ImageSetExpr) ip.setexpr;
+ VarDescriptor rightvar=ise.getVar();
+ boolean inverse=ise.inverted();
+ RelationDescriptor rd=ise.getRelation();
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+ if (inverse) {
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol() + "_hash->remove((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol() + "_hashinv->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
+ } else {
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol() + "_hashinv->remove((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+ }
+ for(int i=0;i<state.vRules.size();i++) {
+ Rule r=(Rule)state.vRules.get(i);
+ if (r.getInclusion().getTargetDescriptors().contains(rd)) {
+ for(int j=0;j<mun.numUpdates();j++) {
+ UpdateNode un=mun.getUpdate(i);
+ if (un.getRule()==r) {
+ /* Update for rule rule r */
+ String name=(String)updatenames.get(un);
+ if (inverse) {
+ cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+rightvar.getSafeSymbol()+","+leftvar.getSafeSymbol()+",(int) &"+name+");");
+ } else {
+ cr.outputline(repairtable.getSafeSymbol()+"->addrelation("+rd.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+",(int) &"+name+");");
+ }
+ }
+ }
+ }
+ }
+ } else {
+ SetDescriptor sd=ip.setexpr.sd;
+ cr.outputline(sd.getSafeSymbol() + "_hash->remove((int)" + leftvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+
+ for(int i=0;i<state.vRules.size();i++) {
+ Rule r=(Rule)state.vRules.get(i);
+ if (r.getInclusion().getTargetDescriptors().contains(sd)) {
+ for(int j=0;j<mun.numUpdates();j++) {
+ UpdateNode un=mun.getUpdate(i);
+ if (un.getRule()==r) {
+ /* Update for rule rule r */
+ String name=(String)updatenames.get(un);
+ cr.outputline(repairtable.getSafeSymbol()+"->addset("+sd.getNum()+","+r.getNum()+","+leftvar.getSafeSymbol()+",(int) &"+name+");");
+ }
+ }
+ }
+ }
+ }
+ } else {
+ /* Generate update */
+ if (ip.setexpr instanceof ImageSetExpr) {
+ ImageSetExpr ise=(ImageSetExpr) ip.setexpr;
+ VarDescriptor rightvar=ise.getVar();
+ boolean inverse=ise.inverted();
+ RelationDescriptor rd=ise.getRelation();
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+ if (inverse) {
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol() + "_hash->add((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol() + "_hashinv->add((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
+ } else {
+ if (usageimage)
+ cr.outputline(rd.getSafeSymbol() + "_hash->add((int)" + leftvar.getSafeSymbol() + ", (int)" + rightvar.getSafeSymbol() + ");");
+ if (usageinvimage)
+ cr.outputline(rd.getSafeSymbol() + "_hashinv->add((int)" + rightvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+ }
+ UpdateNode un=mun.getUpdate(0);
+ String name=(String)updatenames.get(un);
+ if (inverse) {
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+rightvar.getSafeSymbol()+","+leftvar.getSafeSymbol()+");");
+ } else {
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+leftvar.getSafeSymbol()+","+rightvar.getSafeSymbol()+");");
+ }
+ } else {
+ SetDescriptor sd=ip.setexpr.sd;
+ cr.outputline(sd.getSafeSymbol() + "_hash->add((int)" + leftvar.getSafeSymbol() + ", (int)" + leftvar.getSafeSymbol() + ");");
+
+ UpdateNode un=mun.getUpdate(0);
+ /* Update for rule rule r */
+ String name=(String)updatenames.get(un);
+ cr.outputline(name+"(this,"+newmodel.getSafeSymbol()+","+repairtable.getSafeSymbol()+","+leftvar.getSafeSymbol()+");");
+ }
+ }
+ }
- // close startblocks generated by DotExpr memory checks
- //DotExpr.generate_memory_endblocks(cr);
+ public static Vector getrulelist(Descriptor d) {
+ Vector dispatchrules = new Vector();
+ Vector rules = State.currentState.vRules;
- cr.endblock(); // end else-if WORKLIST ladder
+ for (int i = 0; i < rules.size(); i++) {
+ Rule rule = (Rule) rules.elementAt(i);
+ Set requiredsymbols = rule.getRequiredDescriptors();
+
+ // #TBD#: in general this is wrong because these descriptors may contain descriptors
+ // bound in "in?" expressions which need to be dealt with in a topologically sorted
+ // fashion...
- elseladder = "else if";
+ if (rule.getRequiredDescriptors().contains(d)) {
+ dispatchrules.addElement(rule);
}
}
-
- cr2.outputline("else");
- cr2.startblock();
- cr2.outputline("printf(\"VERY BAD !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\\n\\n\");");
- cr2.outputline("exit(1);");
- cr2.endblock();
-
- // end block created for worklist
- cr2.endblock();
-
+ return dispatchrules;
}
- private void generate_checks() {
-
- /* do constraint checks */
- Vector constraints = state.vConstraints;
-
- for (int i = 0; i < constraints.size(); i++) {
-
- Constraint constraint = (Constraint) constraints.elementAt(i);
+ private boolean need_compensation(Rule r) {
+ if (!Compiler.REPAIR)
+ return false;
+ GraphNode gn=(GraphNode)termination.scopefalsify.get(r);
+ for(Iterator edgeit=gn.edges();edgeit.hasNext();) {
+ GraphNode.Edge edge=(GraphNode.Edge)edgeit.next();
+ GraphNode gn2=edge.getTarget();
+ if (!removed.contains(gn2)) {
+ TermNode tn2=(TermNode)gn2.getOwner();
+ if (tn2.getType()==TermNode.CONSEQUENCE)
+ return false;
+ }
+ }
+ return true;
+ }
- {
+ private UpdateNode find_compensation(Rule r) {
+ GraphNode gn=(GraphNode)termination.scopefalsify.get(r);
+ for(Iterator edgeit=gn.edges();edgeit.hasNext();) {
+ GraphNode.Edge edge=(GraphNode.Edge)edgeit.next();
+ GraphNode gn2=edge.getTarget();
+ if (!removed.contains(gn2)) {
+ TermNode tn2=(TermNode)gn2.getOwner();
+ if (tn2.getType()==TermNode.UPDATE) {
+ MultUpdateNode mun=tn2.getUpdate();
+ for(int i=0;i<mun.numUpdates();i++) {
+ UpdateNode un=mun.getUpdate(i);
+ if (un.getRule()==r)
+ return un;
+ }
+ }
+ }
+ }
+ throw new Error("No Compensation Update could be found");
+ }
- final SymbolTable st = constraint.getSymbolTable();
-
- CodeWriter cr = new StandardCodeWriter(outputrepair) {
- public SymbolTable getSymbolTable() { return st; }
- };
-
- cr.outputline("// checking " + constraint.getLabel());
- cr.startblock();
+ public void generate_dispatch(CodeWriter cr, RelationDescriptor rd, String leftvar, String rightvar) {
+ boolean usageimage=rd.testUsage(RelationDescriptor.IMAGE);
+ boolean usageinvimage=rd.testUsage(RelationDescriptor.INVIMAGE);
+
+ if (!(usageinvimage||usageimage)) /* not used at all*/
+ return;
+
+ cr.outputline("// RELATION DISPATCH ");
+ if (Compiler.REPAIR) {
+ cr.outputline("if ("+oldmodel.getSafeSymbol()+"&&");
+ if (usageimage)
+ cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+rd.getJustSafeSymbol()+"_hash->contains("+leftvar+","+rightvar+"))");
+ else
+ cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+rd.getJustSafeSymbol()+"_hashinv->contains("+rightvar+","+leftvar+"))");
+
+ cr.startblock(); {
+ /* Adding new item */
+ /* Perform safety checks */
+ cr.outputline("if ("+repairtable.getSafeSymbol()+"&&");
+ cr.outputline(repairtable.getSafeSymbol()+"->containsrelation("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+"))");
+ cr.startblock(); {
+ /* Have update to call into */
+ VarDescriptor mdfyptr=VarDescriptor.makeNew("modifyptr");
+ cr.outputline("int "+mdfyptr.getSafeSymbol()+"="+repairtable.getSafeSymbol()+"->getrelation2("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+");");
+
+ String parttype="";
+ for(int i=0;i<currentrule.numQuantifiers();i++) {
+ if (currentrule.getQuantifier(i) instanceof RelationQuantifier)
+ parttype=parttype+", int, int";
+ else
+ parttype=parttype+", int";
+ }
+ VarDescriptor funptr=VarDescriptor.makeNew("updateptr");
+ VarDescriptor tmpptr=VarDescriptor.makeNew("tempupdateptr");
+
+ String methodcall="("+funptr.getSafeSymbol()+") (this,"+oldmodel.getSafeSymbol()+","+repairtable.getSafeSymbol();
+ for(int i=0;i<currentrule.numQuantifiers();i++) {
+ Quantifier q=currentrule.getQuantifier(i);
+ if (q instanceof SetQuantifier) {
+ SetQuantifier sq=(SetQuantifier) q;
+ methodcall+=","+sq.getVar().getSafeSymbol();
+ } else if (q instanceof RelationQuantifier) {
+ RelationQuantifier rq=(RelationQuantifier) q;
+ methodcall+=","+rq.x.getSafeSymbol();
+ methodcall+=","+rq.y.getSafeSymbol();
+ } else if (q instanceof ForQuantifier) {
+ ForQuantifier fq=(ForQuantifier) q;
+ methodcall+=","+fq.getVar().getSafeSymbol();
+ }
+ }
+
+
+
+ cr.outputline("void *"+tmpptr.getSafeSymbol()+"=");
+ cr.outputline("(void *) "+repairtable.getSafeSymbol()+"->getrelation("+rd.getNum()+","+currentrule.getNum()+","+leftvar+","+rightvar+");");
+ cr.outputline("if ("+mdfyptr.getSafeSymbol()+")");
+ {
+ cr.startblock();
+ cr.outputline("void (*"+funptr.getSafeSymbol()+") ("+name+"_state *,"+name+"*,RepairHash *"+parttype+",int,int,int)="+"(void (*) ("+name+"_state *,"+name+"*,RepairHash *"+parttype+",int,int,int)) "+tmpptr.getSafeSymbol());
+ cr.outputline(methodcall+leftvar+", "+rightvar+", "+mdfyptr.getSafeSymbol() +");");
+ cr.endblock();
+ }
+ cr.outputline("else ");
+ {
+ cr.startblock();
+ cr.outputline("void (*"+funptr.getSafeSymbol()+") ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")="+"(void (*) ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")) "+tmpptr.getSafeSymbol());
+ cr.outputline(methodcall+");");
+ cr.endblock();
+ }
+ cr.outputline("goto rebuild;");
+ }
+ cr.endblock();
+
+ /* Build standard compensation actions */
+ if (need_compensation(currentrule)) {
+ UpdateNode un=find_compensation(currentrule);
+ String name=(String)updatenames.get(un);
+ usedupdates.add(un); /* Mark as used */
+ String methodcall=name+"(this,"+oldmodel.getSafeSymbol()+","+repairtable.getSafeSymbol();
+ for(int i=0;i<currentrule.numQuantifiers();i++) {
+ Quantifier q=currentrule.getQuantifier(i);
+ if (q instanceof SetQuantifier) {
+ SetQuantifier sq=(SetQuantifier) q;
+ methodcall+=","+sq.getVar().getSafeSymbol();
+ } else if (q instanceof RelationQuantifier) {
+ RelationQuantifier rq=(RelationQuantifier) q;
+ methodcall+=","+rq.x.getSafeSymbol();
+ methodcall+=","+rq.y.getSafeSymbol();
+ } else if (q instanceof ForQuantifier) {
+ ForQuantifier fq=(ForQuantifier) q;
+ methodcall+=","+fq.getVar().getSafeSymbol();
+ }
+ }
+ methodcall+=");";
+ cr.outputline(methodcall);
+ cr.outputline("goto rebuild;");
+ }
+ }
+ cr.endblock();
+ }
- ListIterator quantifiers = constraint.quantifiers();
+ String addeditem = (VarDescriptor.makeNew("addeditem")).getSafeSymbol();
+ cr.outputline("int " + addeditem + ";");
+ if (rd.testUsage(RelationDescriptor.IMAGE)) {
+ cr.outputline(addeditem + " = " + rd.getSafeSymbol() + "_hash->add((int)" + leftvar + ", (int)" + rightvar+ ");");
+ }
+
+ if (rd.testUsage(RelationDescriptor.INVIMAGE)) {
+ cr.outputline(addeditem + " = " + rd.getSafeSymbol() + "_hashinv->add((int)" + rightvar + ", (int)" + leftvar + ");");
+ }
+
- while (quantifiers.hasNext()) {
- Quantifier quantifier = (Quantifier) quantifiers.next();
- quantifier.generate_open(cr);
- }
- cr.outputline("int maybe = 0;");
-
- /* now we have to generate the guard test */
+ Vector dispatchrules = getrulelist(rd);
- VarDescriptor constraintboolean = VarDescriptor.makeNew("constraintboolean");
- constraint.getLogicStatement().generate(cr, constraintboolean);
-
- cr.outputline("if (maybe)");
- cr.startblock();
- cr.outputline("__Success = 0;");
- cr.outputline("printf(\"maybe fail " + (i+1) + ". \");");
- cr.outputline("exit(1);");
- cr.endblock();
-
- cr.outputline("else if (!" + constraintboolean.getSafeSymbol() + ")");
- cr.startblock();
-
- cr.outputline("__Success = 0;");
- cr.outputline("printf(\"fail " + (i+1) + ". \");");
- cr.outputline("exit(1);");
- cr.endblock();
-
- while (quantifiers.hasPrevious()) {
- Quantifier quantifier = (Quantifier) quantifiers.previous();
- cr.endblock();
- }
+ Set toremove=new HashSet();
+ for(int i=0;i<dispatchrules.size();i++) {
+ Rule r=(Rule)dispatchrules.get(i);
+ if (!ruleset.contains(r))
+ toremove.add(r);
+ }
+ dispatchrules.removeAll(toremove);
+ if (dispatchrules.size() == 0) {
+ cr.outputline("// nothing to dispatch");
+ return;
+ }
- cr.endblock();
- cr.outputline("");
- cr.outputline("");
- }
-
+ cr.outputline("if (" + addeditem + ")");
+ cr.startblock();
+
+ for(int i = 0; i < dispatchrules.size(); i++) {
+ Rule rule = (Rule) dispatchrules.elementAt(i);
+ if (rule.getGuardExpr().getRequiredDescriptors().contains(rd)) {
+ /* Guard depends on this relation, so we recomput everything */
+ cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+",-1,0,0);");
+ } else {
+ for (int j=0;j<rule.numQuantifiers();j++) {
+ Quantifier q=rule.getQuantifier(j);
+ if (q.getRequiredDescriptors().contains(rd)) {
+ /* Generate add */
+ cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+","+j+","+leftvar+","+rightvar+");");
+ }
+ }
+ }
}
- outputrepair.println("// if (__Success) { printf(\"all tests passed\"); }");
- }
+ cr.endblock();
+ }
-}
+ public void generate_dispatch(CodeWriter cr, SetDescriptor sd, String setvar) {
+
+ cr.outputline("// SET DISPATCH ");
+ if (Compiler.REPAIR) {
+ cr.outputline("if ("+oldmodel.getSafeSymbol()+"&&");
+ cr.outputline("!"+oldmodel.getSafeSymbol() +"->"+sd.getJustSafeSymbol()+"_hash->contains("+setvar+"))");
+ cr.startblock(); {
+ /* Adding new item */
+ /* Perform safety checks */
+ cr.outputline("if ("+repairtable.getSafeSymbol()+"&&");
+ cr.outputline(repairtable.getSafeSymbol()+"->containsset("+sd.getNum()+","+currentrule.getNum()+","+setvar+"))");
+ cr.startblock(); {
+ /* Have update to call into */
+ VarDescriptor funptr=VarDescriptor.makeNew("updateptr");
+ String parttype="";
+ for(int i=0;i<currentrule.numQuantifiers();i++) {
+ if (currentrule.getQuantifier(i) instanceof RelationQuantifier)
+ parttype=parttype+", int, int";
+ else
+ parttype=parttype+", int";
+ }
+ cr.outputline("void (*"+funptr.getSafeSymbol()+") ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")=");
+ cr.outputline("(void (*) ("+name+"_state *,"+name+"*,RepairHash *"+parttype+")) "+repairtable.getSafeSymbol()+"->getset("+sd.getNum()+","+currentrule.getNum()+","+setvar+");");
+ String methodcall="("+funptr.getSafeSymbol()+") (this,"+oldmodel.getSafeSymbol()+","+
+ repairtable.getSafeSymbol();
+ for(int i=0;i<currentrule.numQuantifiers();i++) {
+ Quantifier q=currentrule.getQuantifier(i);
+ if (q instanceof SetQuantifier) {
+ SetQuantifier sq=(SetQuantifier) q;
+ methodcall+=","+sq.getVar().getSafeSymbol();
+ } else if (q instanceof RelationQuantifier) {
+ RelationQuantifier rq=(RelationQuantifier) q;
+ methodcall+=","+rq.x.getSafeSymbol();
+ methodcall+=","+rq.y.getSafeSymbol();
+ } else if (q instanceof ForQuantifier) {
+ ForQuantifier fq=(ForQuantifier) q;
+ methodcall+=","+fq.getVar().getSafeSymbol();
+ }
+ }
+ methodcall+=");";
+ cr.outputline(methodcall);
+ cr.outputline("goto rebuild;");
+ }
+ cr.endblock();
+ /* Build standard compensation actions */
+ if (need_compensation(currentrule)) {
+ UpdateNode un=find_compensation(currentrule);
+ String name=(String)updatenames.get(un);
+ usedupdates.add(un); /* Mark as used */
+
+ String methodcall=name+"(this,"+oldmodel.getSafeSymbol()+","+
+ repairtable.getSafeSymbol();
+ for(int i=0;i<currentrule.numQuantifiers();i++) {
+ Quantifier q=currentrule.getQuantifier(i);
+ if (q instanceof SetQuantifier) {
+ SetQuantifier sq=(SetQuantifier) q;
+ methodcall+=","+sq.getVar().getSafeSymbol();
+ } else if (q instanceof RelationQuantifier) {
+ RelationQuantifier rq=(RelationQuantifier) q;
+ methodcall+=","+rq.x.getSafeSymbol();
+ methodcall+=","+rq.y.getSafeSymbol();
+ } else if (q instanceof ForQuantifier) {
+ ForQuantifier fq=(ForQuantifier) q;
+ methodcall+=","+fq.getVar().getSafeSymbol();
+ }
+ }
+ methodcall+=");";
+ cr.outputline(methodcall);
+ cr.outputline("goto rebuild;");
+ }
+ }
+ cr.endblock();
+ }
+ String addeditem = (VarDescriptor.makeNew("addeditem")).getSafeSymbol();
+ cr.outputline("int " + addeditem + " = 1;");
+ cr.outputline(addeditem + " = " + sd.getSafeSymbol() + "_hash->add((int)" + setvar + ", (int)" + setvar + ");");
+ cr.startblock();
+ Vector dispatchrules = getrulelist(sd);
+
+ Set toremove=new HashSet();
+ for(int i=0;i<dispatchrules.size();i++) {
+ Rule r=(Rule)dispatchrules.get(i);
+ if (!ruleset.contains(r))
+ toremove.add(r);
+ }
+ dispatchrules.removeAll(toremove);
+ if (dispatchrules.size() == 0) {
+ cr.outputline("// nothing to dispatch");
+ cr.endblock();
+ return;
+ }
+ cr.outputline("if ("+addeditem+")");
+ cr.startblock();
+ for(int i = 0; i < dispatchrules.size(); i++) {
+ Rule rule = (Rule) dispatchrules.elementAt(i);
+ if (SetDescriptor.expand(rule.getGuardExpr().getRequiredDescriptors()).contains(sd)) {
+ /* Guard depends on this relation, so we recompute everything */
+ cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+",-1,0,0);");
+ } else {
+ for (int j=0;j<rule.numQuantifiers();j++) {
+ Quantifier q=rule.getQuantifier(j);
+ if (SetDescriptor.expand(q.getRequiredDescriptors()).contains(sd)) {
+ /* Generate add */
+ cr.outputline(worklist.getSafeSymbol()+"->add("+rule.getNum()+","+j+","+setvar+",0);");
+ }
+ }
+ }
+ }
+ cr.endblock();
+ cr.endblock();
+ }
+}
projects / repair.git / blobdiff