Examples with From coreVisitors.From used on opensource projects

Example 1 with From

use of coreVisitors.From in project L42 by ElvisResearchGroup.

the class Methods method methods.

//  -methods(p,P0)=M1'..Mk'
//          p(P0)={interface? implements Ps Ms} 
public List<MethodWithType> methods(Ast.Path p0) {
    if (p0.isPrimitive()) {
        return Collections.emptyList();
    }
    Program p = this;
    ClassB cb0 = p.extractClassB(p0);
    List<Ast.Path> ps = cb0.getSuperPaths();
    //          P1..Pn=collect(p,Ps[from P0]), error unless forall i, p(Pi) is an interface
    List<Ast.Path> p1n = collect(p, Map.of(pi -> From.fromP(pi, p0), ps));
    List<ClassB> cb1n = Map.of(pi -> p.extractClassB(pi), p1n);
    {
        int i = -1;
        for (ClassB cbi : cb1n) {
            i++;
            if (!cbi.isInterface()) {
                throw new ast.ErrorMessage.NonInterfaceImplements(p0, p1n.get(i));
            }
        }
    }
    //          ms1..msk={ms|p(Pi)(ms) is defined}
    HashMap<Ast.MethodSelector, List<ClassB.Member>> ms1k = new LinkedHashMap<>();
    for (ClassB.Member mij : cb0.getMs()) {
        mij.match(nc -> null, mi -> add(true, ms1k, mi.getS(), From.from(mij, p0)), mt -> add(true, ms1k, mt.getMs(), From.from(mij, p0)));
    }
    for (Ast.Path pi : p1n) {
        //call the memoized methods
        for (ClassB.Member mij : p.methods(pi)) {
            mij.match(nc -> null, mi -> add(false, ms1k, mi.getS(), mij), mt -> add(false, ms1k, mt.getMs(), mij));
        }
    }
    //            such that p(Pj)(ms)=mh e? //no refine
    for (Entry<MethodSelector, List<Member>> ei : ms1k.entrySet()) {
        if (!exactly1NoRefine(ei.getValue())) {
            throw new ast.ErrorMessage.NotExaclyOneMethodOrigin(p0, ei.getKey(), ei.getValue());
        }
    }
    List<ClassB.MethodWithType> ms = new ArrayList<>();
    //            for the smallest j in 1..k such that methods(p,Pj)(msi) of form refine? mh
    for (Entry<MethodSelector, List<Member>> ei : ms1k.entrySet()) {
        List<Member> memsi = ei.getValue();
        if (memsi.get(0) != null && memsi.get(0) instanceof MethodWithType) {
            ms.add((MethodWithType) memsi.get(0));
            continue;
        }
        ClassB.MethodImplemented mem0 = (ClassB.MethodImplemented) memsi.get(0);
        for (Member mj : memsi) {
            // 0 will fail instanceof
            if (mj == null || !(mj instanceof MethodWithType)) {
                continue;
            }
            //    Mi'=Mi
            if (mem0 != null) {
                mj = mj.withInner(mem0.getE());
            }
            ms.add(addRefine((MethodWithType) mj));
            break;
        }
    }
    return ms;
}

Example 2 with From

use of coreVisitors.From in project L42 by ElvisResearchGroup.

the class Translator method useFrom.

//this should take a class, strip out nested and 'from' it so that it is as at top level
static ClassB useFrom(ClassB ct, Path p) {
    ArrayList<Member> ms = new ArrayList<Member>();
    for (Member m : ct.getMs()) {
        m.match(nc -> null, mi -> {
            throw Assertions.codeNotReachable();
        }, mt -> ms.add(From.from(mt, p)));
    }
    //for(PathMwt pmwt:ct.getStage().getInherited()){
    for (PathMwt pmwt : Collections.<PathMwt>emptyList()) {
        if (Functions.getIfInDom(ms, pmwt.getMwt().getMs()).isPresent()) {
            continue;
        }
        ms.add(From.from(pmwt.getMwt(), p));
    }
    List<Path> sup = tools.Map.of(ti -> (Path) From.fromP(ti.getPath(), p), ct.getSupertypes());
    //tools.Map.of(pi->(Path)From.fromP(pi,p),ct.getStage().getInheritedPaths());
    List<Path> supAll = sup;
    ClassB res = ct.withMs(ms).withSupertypes(tools.Map.of(pi -> pi.toImmNT(), sup));
    return res;
}