public void testContains3() { Expr right = factory_.createSetExpr(); MemPred pred = factory_.createMemPred(); pred.setLeftExpr(joker_); pred.setRightExpr(right); pred.setMixfix(Boolean.TRUE); assertTrue(occursCheck_.contains(pred, joker_)); }
/** Check that multiple instances of the same name joker are equal. */ public void testContains5() { Expr left = factory_.createSetExpr(); Expr samejoker = factory_.createJokerExpr("jokerName_", null); MemPred pred = factory_.createMemPred(); pred.setLeftExpr(left); pred.setRightExpr(samejoker); pred.setMixfix(Boolean.TRUE); assertFalse(occursCheck_.contains(pred, joker_)); }
public void testContains4() { Expr left = factory_.createSetExpr(); Expr joker2 = factory_.createJokerExpr("otherJoker", null); MemPred pred = factory_.createMemPred(); pred.setLeftExpr(left); pred.setRightExpr(joker2); pred.setMixfix(Boolean.TRUE); assertFalse(occursCheck_.contains(pred, joker_)); }
/** * This function obtains from a predicate that is a conjunction of assignments the assignment * related to an identifier * * @param specID The identifier of a variable in the specification * @param pred A predicate * @return the equality */ public static MemPred getRelatedEquality(Pred pred, String specID) { AbstractRepository<Pred> predRep = pred.accept(new AndPredClausesExtractor()); AbstractIterator<Pred> predIt = predRep.createIterator(); while (predIt.hasNext()) { Pred auxPred = predIt.next(); if (auxPred instanceof MemPred) { MemPred memPred = ((MemPred) auxPred); if (memPred.getMixfix()) { String id = ((RefExpr) memPred.getLeftExpr()).getName().toString(); if (id.equals(specID)) { return memPred; } } else return null; } else return null; } return null; }
/* (non-Javadoc) * @see pea.util.z.TermToCDDVisitor#visitMemPred(net.sourceforge.czt.z.ast.MemPred) */ @Override public CDD visitMemPred(MemPred pred) { if (pred.getRightExpr() instanceof RefExpr) { final RefExpr refExpr = (RefExpr) pred.getRightExpr(); final ZName name = refExpr.getZName(); // We replace expressions like a != b + c with NOT(a = b + c) if (name.getOperatorName().getWord().equals(Z_NEQ_OPERATOR)) { final ZName newRefName = factory.createZName(Z_EQUALS_OPERATOR, name.getStrokeList()); final RefExpr newRefExpr = factory.createRefExpr(newRefName, refExpr.getZExprList(), refExpr.getMixfix()); final Pred newMemPred = factory.createMemPred(pred.getLeftExpr(), newRefExpr, pred.getMixfix()); return newMemPred.accept(this).negate(); } } return visitTerm(pred); }