Examples with NodeStmt com.rockwellcollins.atc.agree.agree.NodeStmt used on opensource projects

Example 1 with NodeStmt

use of com.rockwellcollins.atc.agree.agree.NodeStmt in project VERDICT by ge-high-assurance.

the class Agree2Vdm method addNodeDefToTypeDeclarations.

private void addNodeDefToTypeDeclarations(NodeDef nodeDef, HashSet<String> dataTypeDecl, HashSet<String> nodeDecl, Model model) {
    Node vdmNode = new Node();
    // String agreeNodeName = nodeDef.getName();
    String agreeNodeName = nodeDef.getQualifiedName();
    vdmNode.setName(agreeNodeName);
    // SETTING NODE INPUT PARAMETERS
    // get agree node's args and set them as input parameter
    EList<Arg> nodeInpArgs = nodeDef.getArgs();
    for (Arg arg : nodeInpArgs) {
        NodeParameter nodeParameter = new NodeParameter();
        nodeParameter.setName(arg.getName());
        // get types of each arg and define those types if needed -- will be done in getVdmTypeFromAgreeType()
        nodeParameter.setDataType(getVdmTypeFromAgreeType(arg.getType(), dataTypeDecl, model));
        vdmNode.getInputParameter().add(nodeParameter);
    }
    // SETTING NODE OUTPUT PARAMETERS
    EList<Arg> nodeReturnArgs = nodeDef.getRets();
    // get agree node's rets and set them as output parameter
    for (Arg arg : nodeReturnArgs) {
        NodeParameter nodeParameter = new NodeParameter();
        nodeParameter.setName(arg.getName());
        // get types of each arg and define those types if needed -- will be done in getVdmTypeFromAgreeType()
        nodeParameter.setDataType(getVdmTypeFromAgreeType(arg.getType(), dataTypeDecl, model));
        vdmNode.getOutputParameter().add(nodeParameter);
    }
    // SETTING NODE BODY
    NodeBody vdmNodeBody = new NodeBody();
    // get agree node's body
    NodeBodyExpr agreeNodeBody = nodeDef.getNodeBody();
    EList<NodeStmt> agreeNodeStmts = agreeNodeBody.getStmts();
    for (NodeStmt agreeNodeStmt : agreeNodeStmts) {
        if (agreeNodeStmt instanceof NodeEqImpl) {
            NodeEq agreeNodeEq = (NodeEq) agreeNodeStmt;
            // get all LHS identifiers in the statement and add it to the vdm node equation LHS
            NodeEquation vdmNodeEquation = new NodeEquation();
            EList<Arg> agreeLHSArgs = agreeNodeEq.getLhs();
            // this type is just a list of strings
            NodeEquationLHS vdmNodeEquationLHS = new NodeEquationLHS();
            for (Arg agreeLHSArg : agreeLHSArgs) {
                vdmNodeEquationLHS.getIdentifier().add(agreeLHSArg.getName());
            }
            vdmNodeEquation.setLhs(vdmNodeEquationLHS);
            // get the RHS i.e.expr of the agree NodeEq and set it as the vdm node equation's RHS
            vdmNodeEquation.setRhs(getVdmExpressionFromAgreeExpression(agreeNodeEq.getExpr(), dataTypeDecl, nodeDecl, model));
            vdmNodeBody.getEquation().add(vdmNodeEquation);
        } else {
            System.out.println("Node contains non-eq type statements");
        }
    }
    vdmNode.setBody(vdmNodeBody);
    vdmNode.setIsFunction(false);
    vdmNode.setIsImported(false);
    if (!nodeDecl.contains(agreeNodeName)) {
        nodeDecl.add(agreeNodeName);
        LustreProgram lustreProgram = model.getDataflowCode();
        lustreProgram.getNodeDeclaration().add(vdmNode);
        model.setDataflowCode(lustreProgram);
    }
}

Example 2 with NodeStmt

use of com.rockwellcollins.atc.agree.agree.NodeStmt in project AGREE by loonwerks.

the class AgreeASTBuilder method caseNodeDef.

@Override
public Expr caseNodeDef(NodeDef expr) {
    String nodeName = AgreeUtils.getNodeName(expr);
    for (Node node : globalNodes) {
        if (node.id.equals(nodeName)) {
            return null;
        }
    }
    List<VarDecl> inputs = agreeVarsFromArgs(expr.getArgs(), null);
    List<VarDecl> outputs = agreeVarsFromArgs(expr.getRets(), null);
    NodeBodyExpr body = expr.getNodeBody();
    List<VarDecl> internals = agreeVarsFromArgs(body.getLocs(), null);
    List<Equation> eqs = new ArrayList<>();
    List<String> props = new ArrayList<>();
    // TODO are node lemmas deprecated?
    String lemmaName = "__nodeLemma";
    int lemmaIndex = 0;
    for (NodeStmt stmt : body.getStmts()) {
        if (stmt instanceof NodeLemma) {
            NodeLemma nodeLemma = (NodeLemma) stmt;
            String propName = lemmaName + lemmaIndex++;
            IdExpr eqId = new IdExpr(propName);
            internals.add(new VarDecl(eqId.id, NamedType.BOOL));
            Expr eqExpr = doSwitch(nodeLemma.getExpr());
            Equation eq = new Equation(eqId, eqExpr);
            eqs.add(eq);
            props.add(eqId.id);
        } else if (stmt instanceof NodeEq) {
            eqs.add(nodeEqToEq((NodeEq) stmt));
        }
    }
    NodeBuilder builder = new NodeBuilder(nodeName);
    builder.addInputs(inputs);
    builder.addOutputs(outputs);
    builder.addLocals(internals);
    builder.addEquations(eqs);
    builder.addProperties(props);
    Node n = builder.build();
    addToNodeList(n);
    return null;
}