public ArrayList<LSDPredicate> getMethodLevelDependency() {
String prefix = this.getPrefix();
ArrayList<LSDPredicate> preds = new ArrayList<LSDPredicate>();
preds.add(LSDPredicate.getPredicate(prefix + "_calls"));
preds.add(LSDPredicate.getPredicate(prefix + "_accesses"));
return preds;
}
public LSDPredicate toClassLevel() {
if (isConclusionPredicate()) return LSDPredicate.getPredicate("changed_type");
else {
if (predName.contains("accesses") || predName.contains("calls")) {
String newPred = predName.substring(0, predName.indexOf('_')) + "_dependency";
return LSDPredicate.getPredicate(newPred);
} else return this;
}
}
public static ArrayList<LSDPredicate> getPredicates(int kind, int arity) {
Collection<LSDPredicate> predicates = allowedPredicate.values();
ArrayList<LSDPredicate> results = new ArrayList<LSDPredicate>();
for (LSDPredicate pred : predicates) {
if (pred.kind == kind && pred.arity() == arity) {
results.add(pred);
}
}
if (results.size() == 0) return null;
return results;
}
/** @param args */
public static void main(String[] args) {
LSDPredicate foo = LSDPredicate.getPredicate("deleted_field");
assert foo.getName() == "deleted_field";
assert foo.arity() == 1;
assert null == LSDPredicate.getPredicate("added_bogusMethod");
foo = LSDPredicate.getPredicate("added_inheritedmethod");
assert foo.getName() == "added_inheritedmethod";
assert foo.arity() == 3;
ArrayList<LSDBinding> bindings = new ArrayList<LSDBinding>();
LSDBinding binding = new LSDBinding(new LSDVariable("a", 'm'));
bindings.add(binding);
binding = new LSDBinding(new LSDVariable("c", 't'));
bindings.add(binding);
assert false == foo.typeChecks(bindings);
binding = new LSDBinding(new LSDVariable("b", 't'));
bindings.add(binding);
assert true == foo.typeChecks(bindings);
bindings = new ArrayList<LSDBinding>();
binding = new LSDBinding(new LSDVariable("a", 'f'));
bindings.add(binding);
binding = new LSDBinding(new LSDVariable("c", 't'));
bindings.add(binding);
binding = new LSDBinding(new LSDVariable("b", 't'));
bindings.add(binding);
assert false == foo.typeChecks(bindings);
assert foo.toString().equals("added_inheritedmethod(m,t,t)");
System.out.println("Predicate tests succeeded.");
}
public boolean allowedInSameRule(LSDPredicate conclusion, LSDPredicate antecedant) {
if (antecedant != null) {
boolean x = (this.kind == antecedant.kind);
return x;
}
// 1. C: added_calls must have an A:
// deleted_accesses or deleted_calls or deleted_fieldoftype or
// inherited_method
// 2. C: deleted_accesses or added_accesses must have an A:
// past_accesses or past_calls.
// 3. C: added_return or deleted_return must have deleted_return
// or added_return.
// 4. C: modified_method must have A: inherited_method or
// before_accesses, before_calls.
// 5. C: modified_type must have A: subtype.
if (RestrictionOption.OPTION_PreferDependencePredicates) {
if (conclusion.getName().indexOf("added_calls") != -1) {
return (this.getName().indexOf("deleted_accesses") != 1
|| this.getName().indexOf("deleted_calls") != -1
|| this.getName().indexOf("deleted_fieldoftype") != -1
|| this.getName().indexOf("deleted_inheritedmethod") != -1);
}
if (conclusion.getName().indexOf("deleted_accesses") != -1
|| conclusion.getName().indexOf("added_accesses") != -1) {
return (this.getName().indexOf("before_calls") != -1);
}
if (conclusion.getName().indexOf("added_return") != -1) {
return (this.getName().indexOf("deleted_return") != -1);
}
if (conclusion.getName().indexOf("deleted_return") != -1) {
return (this.getName().indexOf("add_return") != -1);
}
if (conclusion.getName().indexOf("_method") != -1) {
return (this.getName().indexOf("before_calls") != -1
|| this.getName().indexOf("before_accesses") != -1
|| this.getName().indexOf("before_inheritedmethod") != -1);
}
if (conclusion.getName().indexOf("_type") != -1) {
return (this.getName().indexOf("before_subtype") != -1
|| this.getName().indexOf("before_extends") != -1
|| this.getName().indexOf("before_implements") != -1);
}
if (conclusion.getName().indexOf("_inherited") != -1) {
return (this.getName().indexOf("_subtype") != -1
|| this.getName().indexOf("_extends") != -1
|| this.getName().indexOf("_implements") != -1);
}
}
// MK Change 022310
if (conclusion.kind == DELETED) {
return (this.kind == BEFORE);
}
if (RestrictionOption.OPTION_AllowAfterInAntecedent == true) {
if (conclusion.kind == ADDED) {
return (this.kind == DELETED || this.kind == BEFORE || this.kind == AFTER);
}
} else {
if (conclusion.kind == ADDED) {
return (this.kind == DELETED || this.kind == BEFORE);
}
}
if (conclusion.kind == MODIFIED) {
return (this.kind == BEFORE);
}
return false;
}
