Examples with CondactExpr jkind.lustre.CondactExpr used on opensource projects

Example 1 with CondactExpr

use of jkind.lustre.CondactExpr in project AGREE by loonwerks.

the class RemoveCondacts method clockNodeCalls.

private Node clockNodeCalls(Node node, final IdExpr clock) {
    return (Node) node.accept(new AstMapVisitor() {

        @Override
        public Expr visit(NodeCallExpr e) {
            List<Expr> args = new ArrayList<>();
            args.add(clock);
            args.addAll(visitExprs(e.args));
            Node clocked = createClockedNode(e.node);
            return new NodeCallExpr(clocked.id, args);
        }

        @Override
        public Expr visit(CondactExpr e) {
            NodeCallExpr call = (NodeCallExpr) super.visit(e.call);
            List<Expr> args = new ArrayList<>();
            args.add(new BinaryExpr(e.clock.accept(this), BinaryOp.AND, clock));
            args.addAll(e.call.args);
            args.addAll(visitExprs(e.args));
            Node condact = createCondactNode(call.node);
            return new NodeCallExpr(condact.id, args);
        }
    });
}

Example 2 with CondactExpr

use of jkind.lustre.CondactExpr in project AGREE by loonwerks.

the class RemoveCondacts method removeCondacts.

private Node removeCondacts(Node node) {
    return (Node) node.accept(new AstMapVisitor() {

        @Override
        public Expr visit(CondactExpr e) {
            NodeCallExpr call = (NodeCallExpr) e.call.accept(this);
            List<Expr> args = new ArrayList<>();
            args.add(e.clock.accept(this));
            args.addAll(e.call.args);
            args.addAll(visitExprs(e.args));
            Node condact = createCondactNode(call.node);
            return new NodeCallExpr(condact.id, args);
        }
    });
}

Example 3 with CondactExpr

use of jkind.lustre.CondactExpr in project AGREE by loonwerks.

the class AgreeCycleVisitor method visit.

@Override
public Set<String> visit(CondactExpr e) {
    Set<String> argSet = new HashSet<>();
    for (Expr argExpr : e.args) {
        argSet.addAll(argExpr.accept(this));
    }
    argSet.addAll(e.call.accept(this));
    return argSet;
}

Example 4 with CondactExpr

use of jkind.lustre.CondactExpr in project AGREE by loonwerks.

the class LustreContractAstBuilder method addCondactCall.

protected static void addCondactCall(AgreeNode agreeNode, String nodePrefix, List<AgreeVar> inputs, List<AgreeStatement> assertions, AgreeNode subAgreeNode, String prefix, Expr clockExpr, Node lustreNode) {
    List<Expr> inputIds = new ArrayList<>();
    List<Expr> initOutputsVals = new ArrayList<>();
    List<IdExpr> nodeOutputIds = new ArrayList<>();
    for (VarDecl var : lustreNode.inputs) {
        inputIds.add(new IdExpr(prefix + var.id));
    }
    for (VarDecl var : lustreNode.outputs) {
        AgreeVar outputVar = (AgreeVar) var;
        String dummyName = prefix + var.id + "__DUMMY";
        AgreeVar dummyVar = new AgreeVar(dummyName, outputVar.type, outputVar.reference, outputVar.compInst, outputVar.featInst);
        if (!inputs.contains(dummyVar)) {
            inputs.add(dummyVar);
        }
        initOutputsVals.add(new IdExpr(dummyName));
        nodeOutputIds.add(new IdExpr(prefix + var.id));
    }
    if (agreeNode.timing == TimingModel.LATCHED) {
        throw new AgreeException("check how we do this in the generic lustre translation now" + " to make sure that it is correct");
    }
    Expr condactExpr = new CondactExpr(clockExpr, new NodeCallExpr(lustreNode.id, inputIds), initOutputsVals);
    Expr condactOutput;
    if (nodeOutputIds.size() > 1) {
        condactOutput = new TupleExpr(nodeOutputIds);
    } else {
        condactOutput = nodeOutputIds.get(0);
    }
    Expr condactCall = new BinaryExpr(condactOutput, BinaryOp.EQUAL, condactExpr);
    assertions.add(new AgreeStatement("", condactCall, null));
}

Example 5 with CondactExpr

use of jkind.lustre.CondactExpr in project AGREE by loonwerks.

the class GenerateUfcObligationsVisitor method visit.

// TODO: double check this for init expression args.
@Override
public ObligationSet visit(CondactExpr e) {
    ObligationSet obs1 = e.clock.accept(this);
    ObligationSet obs2 = e.call.accept(this);
    ObligationSet obs3 = new ObligationSet();
    for (Expr arg : e.args) {
        obs3.addAll(arg.accept(this));
    }
    // inputs are only ``effecting'' when clock is true.
    obs2.extendContext(e.clock);
    // initial arguments are only effecting before the first clock, not just instants
    // when the clock is low, but we would need a fresh variable to describe this
    // situation, so we are being somewhat inaccurate.
    obs3.extendContext(notExpr(e.clock));
    obs1.addAll(obs2);
    obs1.addAll(obs3);
    return obs1;
}