Examples with Expression ast.Expression used on opensource projects

Example 51 with Expression

use of ast.Expression in project L42 by ElvisResearchGroup.

the class DesugarVars method visit.

public Expression visit(CurlyBlock s) {
    Expression inner;
    if (s.getContents().size() == 1 && s.getContents().get(0).get_catch().isEmpty() && s.getContents().get(0).getDecs().size() == 1 && s.getContents().get(0).getDecs().get(0) instanceof VarDecE) {
        inner = ((VarDecE) s.getContents().get(0).getDecs().get(0)).getInner();
    } else {
        inner = new RoundBlock(s.getP(), s.getDoc(), Expression._void.instance, s.getContents());
    }
    inner = inner.accept(this);
    List<VarDec> vd = Collections.singletonList((VarDec) new VarDecE(inner));
    BlockContent o = new BlockContent(vd, Collections.emptyList());
    return new CurlyBlock(s.getP(), Doc.empty(), Collections.singletonList(o));
}

Example 52 with Expression

use of ast.Expression in project L42 by ElvisResearchGroup.

the class OnLineCodeHelper method getL42Code.

static Expression.ClassB getL42Code(String url) {
    try {
        //can be classB or classBReuse
        Expression data = load(url);
        //TODO: can be removed later, but now allows librares to be real source code
        data = Desugar.of(data);
        //    Configuration.reduction.of((ClassB) data.accept(new InjectionOnCore()));
        return (Expression.ClassB) data;
    } catch (org.antlr.v4.runtime.misc.ParseCancellationException pce) {
        System.err.println("Url is: " + url);
        throw pce;
    }
}

Example 53 with Expression

use of ast.Expression in project L42 by ElvisResearchGroup.

the class DesugarW method oldWith_noUseKw.

private void oldWith_noUseKw(SquareWithCall s, X xX, List<VarDec> decs) {
    List<With.On> ons = s.getWith().getOns();
    List<With.On> onsPrime = new ArrayList<>();
    for (With.On on : ons) {
        onsPrime.add(on.withInner(withSquareAdd(s.getP(), xX, on.getInner())));
    }
    Optional<Expression> def = s.getWith().getDefaultE();
    Optional<Expression> defPrime = Map.of(e -> withSquareAdd(s.getP(), xX, e), def);
    With w = s.getWith().withOns(onsPrime).withDefaultE(defPrime);
    decs.add(new VarDecE(w));
}

Example 54 with Expression

use of ast.Expression in project L42 by ElvisResearchGroup.

the class DesugarW method innerWithXs.

private static Expression innerWithXs(With e) {
    //right side of case b and part of right side of case d
    Expression inner = e.getDefaultE().get();
    List<String> xs = new ArrayList<String>(e.getXs());
    for (VarDecXE d : e.getDecs()) {
        xs.add(d.getX());
    }
    for (VarDecXE d : e.getIs()) {
        xs.add(d.getX());
    }
    inner = new With(e.getP(), xs, Collections.emptyList(), Collections.emptyList(), e.getOns(), e.getDefaultE());
    return inner;
}

Example 55 with Expression

use of ast.Expression in project L42 by ElvisResearchGroup.

the class DesugarW method visit.

public Expression visit(With e) {
    Position pos = e.getP();
    //case a
    e = with_A_applyDefault(e);
    if (e.getIs().isEmpty() && e.getDecs().isEmpty()) {
        //case c
        return with_C_resolveXsBaseCase(pos, e.getXs(), e.getOns(), e.getDefaultE().get()).accept(this);
    }
    //case b
    if (e.getIs().isEmpty()) {
        return with_B_noI_makeBlock(e).accept(this);
    }
    //assert !e.getIs().isEmpty();
    if (e.getXs().isEmpty() && e.getDecs().isEmpty() && e.getOns().isEmpty()) {
        //case e
        Expression b = e.getDefaultE().get();
        //NOTE WELL: needed to avoid xs that can not be replaced in with xs... this is also the reason we need DesugarW in the first place.
        b = b.accept(this);
        return with_E_handleIs(pos, e.getIs(), b).accept(this);
    }
    //case d
    return with_D_replace_XID_with_InestedDwithX(e).accept(this);
}