Examples with VariableDeclaration verdict.vdm.vdm_lustre.VariableDeclaration used on opensource projects

Example 1 with VariableDeclaration

use of verdict.vdm.vdm_lustre.VariableDeclaration in project VERDICT by ge-high-assurance.

the class VDM2Lustre method visit.

// Connect -> NodeCall
public void visit(Connection connection, NodeBody nodeBody) {
    // R.H.S
    ConnectionEnd src = connection.getSource();
    // Source Connection
    Port src_component_port = src.getComponentPort();
    // L.H.S.
    ConnectionEnd dest = connection.getDestination();
    // Destination Connection
    Port dest_component_port = dest.getComponentPort();
    if (dest_component_port != null) {
        // Destination = Component (z3)
        // Source = SubComponent (my_b:B _z2)
        NodeEquation neq = new NodeEquation();
        NodeEquationLHS eq_lhs = new NodeEquationLHS();
        eq_lhs.getIdentifier().add(dest_component_port.getName());
        neq.setLhs(eq_lhs);
        CompInstancePort compInstancePort = src.getSubcomponentPort();
        ComponentInstance componentInstance = compInstancePort.getSubcomponent();
        src_component_port = compInstancePort.getPort();
        String src_portID = src_component_port.getName();
        Expression expr = new Expression();
        List<VariableDeclaration> vars = nodeBody.getVariableDeclaration();
        boolean match = false;
        String id_expr = componentInstance.getId() + "_port_" + src_portID;
        for (VariableDeclaration var : vars) {
            if (var.getName().equals(id_expr)) {
                match = true;
                break;
            }
        }
        if (match) {
            expr.setIdentifier(id_expr);
        } else {
            String inst_cmp = "(.+)_instrumented";
            Pattern inst_pattern = Pattern.compile(inst_cmp);
            // System.out.println(src_portID);
            Matcher m = inst_pattern.matcher(src_portID);
            if (m.matches()) {
                src_portID = m.group(1);
            }
            id_expr = componentInstance.getId() + "_port_" + src_portID;
            expr.setIdentifier(id_expr);
        // System.out.println(id_expr);
        // System.out.println(">>>>>>>>>>>>>Identifiers: " +
        // expr.getIdentifier());
        }
        neq.setRhs(expr);
        nodeBody.getEquation().add(neq);
    } else if (src_component_port != null) {
        CompInstancePort compInstancePort = dest.getSubcomponentPort();
        // X1
        dest_component_port = compInstancePort.getPort();
        // my_a1 : A
        ComponentInstance componentInstance = compInstancePort.getSubcomponent();
        String arg_value = src_component_port.getName();
        // called node Identifier.
        String called_node_ID = null;
        ComponentType componentType = componentInstance.getSpecification();
        ComponentImpl componentImpl = componentInstance.getImplementation();
        if (componentType == null) {
            componentType = componentImpl.getType();
            called_node_ID = componentType.getName() + "_dot_Impl";
        }
        if (componentType != null && componentImpl != null) {
            componentType = componentImpl.getType();
            called_node_ID = componentType.getName() + "_dot_Impl";
            String inst_cmp = "(.+)_instrumented";
            Pattern inst_pattern = Pattern.compile(inst_cmp);
            // System.out.println(arg_value);
            Matcher m = inst_pattern.matcher(arg_value);
            if (m.matches()) {
                arg_value = m.group(1);
            }
        } else {
            called_node_ID = componentType.getName();
            arg_value = src_component_port.getName();
        // System.out.println(arg_value);
        }
        for (Port port : componentType.getPort()) {
            // MODE
            PortMode port_mode = port.getMode();
            if (port_mode == PortMode.OUT) {
                // EQ L.H.S Variables *called Node return values
                String expr_id = componentInstance.getId() + "_port_" + port.getName();
                // System.out.print(">>>" + expr_id);
                NodeEquation n_eq = getNodeEq(expr_id, nodeBody);
                if (n_eq != null) {
                    Expression eq_rhs = n_eq.getRhs();
                    NodeCall node_called = eq_rhs.getCall();
                    String inst_cmp = "(.+)_Inst_.*";
                    Pattern inst_pattern = Pattern.compile(inst_cmp);
                    // String node_id = "";
                    // if (node_called != null) {
                    // node_id = node_called.getNodeId();
                    // }
                    // System.out.println(" = " + node_id + " (" + arg_value
                    // +
                    // ")");
                    Matcher m = inst_pattern.matcher(node_called.getNodeId());
                    IfThenElse ifelse = new IfThenElse();
                    Expression called_expr = new Expression();
                    // Condition
                    Expression gps_expr = new Expression();
                    if (m.matches()) {
                        // Instrumented component Instance ID
                        String component_id = m.group(1);
                        gps_expr.setIdentifier(component_id);
                    }
                    ifelse.setCondition(gps_expr);
                    // Then
                    ifelse.setThenBranch(called_expr);
                    // Else
                    Expression arg = new Expression();
                    arg.setIdentifier(src_component_port.getName());
                    ifelse.setElseBranch(arg);
                    // NodeCalled Expr
                    called_expr.setCall(node_called);
                    Expression instrumented_expr = new Expression();
                    instrumented_expr.setConditionalExpression(ifelse);
                    if (node_called != null) {
                        if (node_called.getNodeId().equals(called_node_ID)) {
                            for (Expression arg_expr : node_called.getArgument()) {
                                if (arg_expr.getIdentifier().equals(dest_component_port.getName())) {
                                    arg_expr.setIdentifier(arg_value);
                                } else if (node_called.getArgument().size() == 1) {
                                    arg_expr.setIdentifier(arg_value);
                                }
                            }
                        }
                    }
                }
            }
        }
    } else {
        CompInstancePort compInstancePort = src.getSubcomponentPort();
        ComponentInstance componentInstance = compInstancePort.getSubcomponent();
        src_component_port = compInstancePort.getPort();
        Expression arg_expr = new Expression();
        // my_a1_y1
        String src_portID = src_component_port.getName();
        String componentInstanceID = componentInstance.getId();
        arg_expr.setIdentifier(componentInstanceID + "_port_" + src_portID);
        // called node Identifier.
        String called_node_ID = null;
        compInstancePort = dest.getSubcomponentPort();
        componentInstance = compInstancePort.getSubcomponent();
        dest_component_port = compInstancePort.getPort();
        ComponentType componentType = componentInstance.getSpecification();
        ComponentImpl componentImpl = componentInstance.getImplementation();
        String old_portID = null;
        if (componentType == null) {
            componentType = componentImpl.getType();
            called_node_ID = componentType.getName();
        }
        if (componentType != null && componentImpl != null) {
            componentType = componentImpl.getType();
            called_node_ID = componentType.getName() + "_dot_Impl";
            String inst_cmp = "(.+)_instrumented";
            Pattern inst_pattern = Pattern.compile(inst_cmp);
            // System.out.print(src_portID + " ==> ");
            Matcher m = inst_pattern.matcher(src_portID);
            if (m.matches()) {
                old_portID = src_portID;
                src_portID = m.group(1);
                arg_expr.setIdentifier(componentInstanceID + "_port_" + src_portID);
            // System.out.println(old_portID + " -- " + src_portID);
            }
        // System.out.println(arg_expr.getIdentifier() + " <== " +
        // src_portID);
        } else {
            called_node_ID = componentType.getName();
        }
        String node_arg = "(.+)_Inst_.*";
        Pattern arg_pattern = Pattern.compile(node_arg);
        Matcher m_arg = arg_pattern.matcher(called_node_ID);
        if (!m_arg.matches() && old_portID != null) {
            arg_expr.setIdentifier(componentInstanceID + "_port_" + old_portID);
        // System.out.println("Node ID =>" + called_node_ID + "(" +
        // arg_expr.getIdentifier() + ")");
        }
        // System.out.println(called_node_ID);
        for (Port port : componentType.getPort()) {
            // MODE
            PortMode port_mode = port.getMode();
            if (port_mode == PortMode.OUT) {
                // EQ L.H.S Variables *called Node return values
                String expr_id = componentInstance.getId() + "_port_" + port.getName();
                NodeEquation n_eq = getNodeEq(expr_id, nodeBody);
                if (n_eq != null) {
                    Expression eq_rhs = n_eq.getRhs();
                    NodeCall node_called = eq_rhs.getCall();
                    String inst_cmp = "(.+)_Inst_.*";
                    Pattern inst_pattern = Pattern.compile(inst_cmp);
                    String node_id = "";
                    if (node_called != null) {
                        node_id = node_called.getNodeId();
                    }
                    Matcher m = inst_pattern.matcher(node_id);
                    IfThenElse ifelse = new IfThenElse();
                    Expression called_expr = new Expression();
                    // Condition
                    Expression g_expr = new Expression();
                    if (m.matches()) {
                        // Instrumented component Instance ID
                        String component_id = m.group(1);
                        g_expr.setIdentifier(component_id);
                    }
                    ifelse.setCondition(g_expr);
                    // Then
                    ifelse.setThenBranch(called_expr);
                    // Else
                    // Expression arg = new Expression();
                    ifelse.setElseBranch(arg_expr);
                    // NodeCalled Expr
                    called_expr.setCall(node_called);
                    Expression instrumented_expr = new Expression();
                    instrumented_expr.setConditionalExpression(ifelse);
                    if (node_called != null) {
                        if (node_called.getNodeId().equals(called_node_ID)) {
                            for (Expression a_expr : node_called.getArgument()) {
                                if (a_expr.getIdentifier().equals(dest_component_port.getName())) {
                                    a_expr.setIdentifier(arg_expr.getIdentifier());
                                } else if (node_called.getArgument().size() == 1) {
                                    a_expr.setIdentifier(arg_expr.getIdentifier());
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 2 with VariableDeclaration

use of verdict.vdm.vdm_lustre.VariableDeclaration in project VERDICT by ge-high-assurance.

the class Agree2Vdm method translateEqStatementImpl.

private NodeBody translateEqStatementImpl(EqStatementImpl eqStmtImpl, HashSet<String> dataTypeDecl, HashSet<String> nodeDecl, Model model, NodeBody nodebody) {
    // get all LHS identifiers in the statement and add it to the vdm node equation LHS
    NodeEquation vdmNodeEquation = new NodeEquation();
    EList<Arg> agreeLHSArgs = eqStmtImpl.getLhs();
    // this type is just a list of strings
    NodeEquationLHS vdmNodeEquationLHS = new NodeEquationLHS();
    VariableDeclaration varDecl = new VariableDeclaration();
    for (Arg agreeLHSArg : agreeLHSArgs) {
        vdmNodeEquationLHS.getIdentifier().add(agreeLHSArg.getName());
        varDecl.setName(agreeLHSArg.getName());
        varDecl.setDataType(getVdmTypeFromAgreeType(agreeLHSArg.getType(), dataTypeDecl, model));
        nodebody.getVariableDeclaration().add(varDecl);
    }
    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(eqStmtImpl.getExpr(), dataTypeDecl, nodeDecl, model));
    nodebody.getEquation().add(vdmNodeEquation);
    return nodebody;
}

Example 3 with VariableDeclaration

use of verdict.vdm.vdm_lustre.VariableDeclaration in project VERDICT by ge-high-assurance.

the class VerdictLustreListener method exitLocalVarDeclList.

/**
 * Extract a list of local variable declarations.
 */
@Override
public void exitLocalVarDeclList(LustreParser.LocalVarDeclListContext ctx) {
    ctx.variableDeclarations = new ArrayList<>();
    ctx.ID().forEach(id -> {
        VariableDeclaration variableDeclaration = new VariableDeclaration();
        String name = id.getText();
        variableDeclaration.setName(name);
        if (ctx.type() != null) {
            variableDeclaration.setDataType(ctx.type().dataType);
        }
        ctx.variableDeclarations.add(variableDeclaration);
    });
}

Example 4 with VariableDeclaration

use of verdict.vdm.vdm_lustre.VariableDeclaration in project VERDICT by ge-high-assurance.

the class VDM2Lustre method visit.

public void visit(ComponentType componentType, NodeBody nodeBody, String componentInstanceID, boolean impl_type) {
    // Rename componentType
    String cmpName = componentType.getName();
    cmpName = cmpName.replace(".", "_dot_");
    cmpName = cmpName.replace("::", "_double_colon_");
    componentType.setName(cmpName);
    // Node Equation
    NodeEquation node_eq = new NodeEquation();
    // Return variables
    NodeEquationLHS eq_lhs = new NodeEquationLHS();
    // Node Call
    Expression node = new Expression();
    NodeCall nodeCall = new NodeCall();
    if (impl_type) {
        nodeCall.setNodeId(componentType.getName() + "_dot_Impl");
    } else {
        nodeCall.setNodeId(componentType.getName());
    }
    // Port
    for (Port port : componentType.getPort()) {
        // //Event Port Definition
        // for (Port port : componentType.getPort()) {
        // visit(port);
        // }
        // MODE
        PortMode port_mode = port.getMode();
        if (port_mode == PortMode.IN) {
            Expression arg = new Expression();
            arg.setIdentifier(port.getName());
            nodeCall.getArgument().add(arg);
        }
        if (port_mode == PortMode.OUT) {
            VariableDeclaration var = new VariableDeclaration();
            // Node Name
            String output_name = port.getName();
            String var_name = componentInstanceID + "_port_" + output_name;
            var.setName(var_name);
            // Node DataType
            DataType dataType = port.getType();
            var.setDataType(dataType);
            nodeBody.getVariableDeclaration().add(var);
            eq_lhs.getIdentifier().add(var_name);
        }
    }
    // Ignore node call that do not have output
    if (eq_lhs.getIdentifier() != null) {
        node.setCall(nodeCall);
        node_eq.setRhs(node);
        node_eq.setLhs(eq_lhs);
        nodeBody.getEquation().add(node_eq);
    }
}

Example 5 with VariableDeclaration

use of verdict.vdm.vdm_lustre.VariableDeclaration in project VERDICT by ge-high-assurance.

the class VDM2Lustre method visit.

public void visit(NodeBody nodeBody, LustreProgram program) {
    for (VariableDeclaration var : nodeBody.getVariableDeclaration()) {
        DataType data_type = var.getDataType();
        String user_defined_type = null;
        if (data_type != null) {
            user_defined_type = data_type.getUserDefinedType();
        }
        if (user_defined_type != null) {
            // user_defined_type = user_defined_type + "_Impl";
            boolean implemented_type = typeDeclarations.containsKey(user_defined_type);
            if (implemented_type) {
                data_type.setUserDefinedType(user_defined_type);
            }
        }
    }
    for (NodeEquation node_equation : nodeBody.getEquation()) {
        visit(node_equation);
    }
// Update Expression related to Events
// for (NodeEquation node_equation : nodeBody.getEquation()) {
// visitNodeEq(node_equation);
// }
}