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

Example 1 with ConstStatement

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

the class Agree2Vdm method getVdmExpressionFromAgreeExpression.

// method to translate expression in Agree to expression in vdm
private Expression getVdmExpressionFromAgreeExpression(Expr agreeExpr, HashSet<String> dataTypeDecl, HashSet<String> nodeDecl, Model model) {
    Expression vdmExpr = new Expression();
    if (agreeExpr instanceof IfThenElseExpr) {
        IfThenElseExpr ifexpr = (IfThenElseExpr) agreeExpr;
        // for vdm model
        IfThenElse ifThenElseVal = new IfThenElse();
        Expression condExpr = getVdmExpressionFromAgreeExpression(ifexpr.getA(), dataTypeDecl, nodeDecl, model);
        ifThenElseVal.setCondition(condExpr);
        Expression thenBranchExpr = getVdmExpressionFromAgreeExpression(ifexpr.getB(), dataTypeDecl, nodeDecl, model);
        ifThenElseVal.setThenBranch(thenBranchExpr);
        Expression elseBranchExpr = getVdmExpressionFromAgreeExpression(ifexpr.getC(), dataTypeDecl, nodeDecl, model);
        ifThenElseVal.setElseBranch(elseBranchExpr);
        vdmExpr.setConditionalExpression(ifThenElseVal);
    } else if (agreeExpr instanceof CallExpr) {
        CallExpr callExpr = (CallExpr) agreeExpr;
        DoubleDotRef ddref = (DoubleDotRef) callExpr.getRef();
        if (ddref.getElm() instanceof NodeDef) {
            NodeDef nodeDef = (NodeDef) ddref.getElm();
            addNodeDefToTypeDeclarations(nodeDef, dataTypeDecl, nodeDecl, model);
            // create node call in vdm model
            NodeCall vdmNodeCall = new NodeCall();
            // setting node name
            vdmNodeCall.setNodeId(nodeDef.getName());
            EList<Expr> callExprArgs = callExpr.getArgs();
            // below are the parameters passed to the function call
            for (Expr callExprArg : callExprArgs) {
                Expression argExpr = getVdmExpressionFromAgreeExpression(callExprArg, dataTypeDecl, nodeDecl, model);
                // setting node arguments
                vdmNodeCall.getArgument().add(argExpr);
            }
            vdmExpr.setCall(vdmNodeCall);
        } else {
            System.out.println("Unmapped Typed");
        }
    } else if (agreeExpr instanceof NamedElmExpr) {
        NamedElmExpr nmExpr = (NamedElmExpr) agreeExpr;
        vdmExpr.setIdentifier(nmExpr.getElm().getName());
        // define corresponding types in the VDM if not already defined
        if (nmExpr.getElm() instanceof Arg) {
            Arg nmElmArg = (Arg) nmExpr.getElm();
            // define corresponding type in the VDM if not already defined
            Type argType = nmElmArg.getType();
            defineDataTypeDataImplementationTypeInVDM(argType, dataTypeDecl, model);
        } else if (nmExpr.getElm() instanceof Port) {
            Port nmElmPort = (Port) nmExpr.getElm();
            // define corresponding type in the VDM if not already defined
            if (nmElmPort instanceof DataPortImpl) {
                DataPort nmElmDataPort = (DataPort) nmElmPort;
                DataSubcomponentType dSubCompType = nmElmDataPort.getDataFeatureClassifier();
                defineDataTypeDataImplementationTypeInVDM(dSubCompType, dataTypeDecl, model);
            } else if (nmElmPort instanceof EventDataPortImpl) {
                EventDataPort nmElmDataPort = (EventDataPort) nmElmPort;
                DataSubcomponentType dSubCompType = nmElmDataPort.getDataFeatureClassifier();
                defineDataTypeDataImplementationTypeInVDM(dSubCompType, dataTypeDecl, model);
            } else {
                if (!(nmElmPort instanceof EventPort)) {
                    System.out.println("Unresolved Port Type");
                }
            }
        } else if (nmExpr.getElm() instanceof ConstStatement) {
            ConstStatement nmElmConstStatement = (ConstStatement) nmExpr.getElm();
            String nmElmConstStatementName = nmElmConstStatement.getName();
            // add const declaration to VDM if not already defined
            if (!dataTypeDecl.contains(nmElmConstStatementName)) {
                dataTypeDecl.add(nmElmConstStatementName);
                ConstantDeclaration vdmConstDeclaration = new ConstantDeclaration();
                vdmConstDeclaration.setName(nmElmConstStatementName);
                vdmConstDeclaration.setDefinition(getVdmExpressionFromAgreeExpression(nmElmConstStatement.getExpr(), dataTypeDecl, nodeDecl, model));
                vdmConstDeclaration.setDataType(getVdmTypeFromAgreeType(nmElmConstStatement.getType(), dataTypeDecl, model));
                LustreProgram lustreProgram = model.getDataflowCode();
                lustreProgram.getConstantDeclaration().add(vdmConstDeclaration);
                model.setDataflowCode(lustreProgram);
            }
        } else {
            System.out.println("Unresolved/unmapped NamedExprElm: " + nmExpr.getElm().getName());
        }
    } else if (agreeExpr instanceof SelectionExpr) {
        // selection expression corresponds to record projection in VDM
        RecordProjection vdmRecordProj = new RecordProjection();
        SelectionExpr selExpr = (SelectionExpr) agreeExpr;
        if (selExpr.getField() == null) {
            System.out.println("Null Selection Expr field: " + selExpr.getField());
        } else {
            NamedElement field = selExpr.getField();
            // set record-projection's reference
            if (selExpr.getTarget() != null) {
                // target can be NamedElmExpr or a SelectionExpr
                vdmRecordProj.setRecordReference(getVdmExpressionFromAgreeExpression(selExpr.getTarget(), dataTypeDecl, nodeDecl, model));
            }
            // set record-projection's field id
            vdmRecordProj.setFieldId(field.getName());
            // also set the name of the field's type as the record-projection's record-type
            if (field instanceof DataPortImpl) {
                DataPort dport = (DataPort) field;
                DataSubcomponentType dSubCompType = dport.getDataFeatureClassifier();
                defineDataTypeDataImplementationTypeInVDM(dSubCompType, dataTypeDecl, model);
                vdmRecordProj.setRecordType(dSubCompType.getName());
            } else if (field instanceof DataSubcomponentImpl) {
                DataSubcomponent dSubComp = (DataSubcomponent) field;
                DataSubcomponentType dSubCompType = dSubComp.getDataSubcomponentType();
                defineDataTypeDataImplementationTypeInVDM(dSubCompType, dataTypeDecl, model);
                vdmRecordProj.setRecordType(dSubCompType.getName());
            } else if (field instanceof ArgImpl) {
                Arg arg = (Arg) field;
                Type argType = arg.getType();
                defineDataTypeDataImplementationTypeInVDM(argType, dataTypeDecl, model);
                if (argType instanceof PrimType) {
                    vdmRecordProj.setRecordType(getDataTypeName(argType));
                } else {
                    System.out.println("Unresolved Arg Type so not setting record-type in record-projection.");
                }
            } else {
                System.out.println("Unresolved type of field.");
            }
        }
        vdmExpr.setRecordProjection(vdmRecordProj);
    } else if (agreeExpr instanceof BinaryExpr) {
        BinaryExpr binExpr = (BinaryExpr) agreeExpr;
        // for vdm
        BinaryOperation binoper = new BinaryOperation();
        // set left operand
        Expression leftOperand = getVdmExpressionFromAgreeExpression(binExpr.getLeft(), dataTypeDecl, nodeDecl, model);
        binoper.setLhsOperand(leftOperand);
        // set right operand
        Expression rightOperand = getVdmExpressionFromAgreeExpression(binExpr.getRight(), dataTypeDecl, nodeDecl, model);
        binoper.setRhsOperand(rightOperand);
        // set appropriate operator
        String operator = binExpr.getOp();
        if (operator.equalsIgnoreCase("->")) {
            vdmExpr.setArrow(binoper);
        } else if (operator.equalsIgnoreCase("=>")) {
            vdmExpr.setImplies(binoper);
        } else if (operator.equalsIgnoreCase("and")) {
            vdmExpr.setAnd(binoper);
        } else if (operator.equalsIgnoreCase("or")) {
            vdmExpr.setOr(binoper);
        } else if (operator.equalsIgnoreCase("=")) {
            vdmExpr.setEqual(binoper);
        } else if (operator.equalsIgnoreCase(">")) {
            vdmExpr.setGreaterThan(binoper);
        } else if (operator.equalsIgnoreCase("<")) {
            vdmExpr.setLessThan(binoper);
        } else if (operator.equalsIgnoreCase(">=")) {
            vdmExpr.setGreaterThanOrEqualTo(binoper);
        } else if (operator.equalsIgnoreCase("<=")) {
            vdmExpr.setLessThanOrEqualTo(binoper);
        } else if (operator.equalsIgnoreCase("+")) {
            vdmExpr.setPlus(binoper);
        } else if (operator.equalsIgnoreCase("-")) {
            vdmExpr.setMinus(binoper);
        } else if (operator.equalsIgnoreCase("!=") || operator.equalsIgnoreCase("<>")) {
            vdmExpr.setNotEqual(binoper);
        } else if (operator.equalsIgnoreCase("/")) {
            vdmExpr.setDiv(binoper);
        } else if (operator.equalsIgnoreCase("*")) {
            vdmExpr.setTimes(binoper);
        } else {
            System.out.println("Unmapped binary operator: " + operator);
        }
    } else if (agreeExpr instanceof UnaryExpr) {
        UnaryExpr unExpr = (UnaryExpr) agreeExpr;
        Expression singleOperand = getVdmExpressionFromAgreeExpression(unExpr.getExpr(), dataTypeDecl, nodeDecl, model);
        String operator = unExpr.getOp();
        if (operator.equalsIgnoreCase("this")) {
            vdmExpr.setCurrent(singleOperand);
        } else if (operator.equalsIgnoreCase("not")) {
            vdmExpr.setNot(singleOperand);
        } else if (operator.equalsIgnoreCase("-")) {
            vdmExpr.setNegative(singleOperand);
        } else {
            System.out.println("Unmapped unary operator.");
        }
    } else if (agreeExpr instanceof BoolLitExpr) {
        BoolLitExpr boolExpr = (BoolLitExpr) agreeExpr;
        vdmExpr.setBoolLiteral(boolExpr.getVal().getValue());
    } else if (agreeExpr instanceof EnumLitExpr) {
        EnumLitExpr enumExpr = (EnumLitExpr) agreeExpr;
        // check if elm is DataImplementationImpl or DataTypeImpl -- if yes add definition to type declarations if not already present
        DoubleDotRef enumType = enumExpr.getEnumType();
        if (enumType.getElm() instanceof DataTypeImpl) {
            org.osate.aadl2.DataType aadlDType = (org.osate.aadl2.DataType) enumType.getElm();
            resolveAADLDataType(aadlDType, dataTypeDecl, model);
        } else {
            System.out.println("Unexpected Elm type for EnumLitExpr");
        }
        vdmExpr.setIdentifier(enumExpr.getValue());
    } else if (agreeExpr instanceof PreExpr) {
        PreExpr preExpr = (PreExpr) agreeExpr;
        Expression expr = getVdmExpressionFromAgreeExpression(preExpr.getExpr(), dataTypeDecl, nodeDecl, model);
        vdmExpr.setPre(expr);
    } else if (agreeExpr instanceof RecordLitExpr) {
        RecordLiteral vdmRecordLiteral = new RecordLiteral();
        RecordLitExpr recLitExpr = (RecordLitExpr) agreeExpr;
        if (recLitExpr.getRecordType() instanceof DoubleDotRef) {
            DoubleDotRef recType = (DoubleDotRef) recLitExpr.getRecordType();
            if (recType.getElm().getName() != null) {
                // check if elm is DataImplementationImpl -- if yes add definition to type declarations if not already present
                if (recType.getElm() instanceof DataImplementation) {
                    org.osate.aadl2.DataImplementation aadlDImpl = (org.osate.aadl2.DataImplementation) recType.getElm();
                    resolveAADLDataImplementationType(aadlDImpl, dataTypeDecl, model);
                } else {
                    System.out.println("Unexpected Elm type for EnumLitExpr");
                }
                // set name of the record literal in the vdm model
                vdmRecordLiteral.setRecordType(recType.getElm().getName());
                // get args and arg-expr and set them as field identifier and value in the vdm model
                EList<NamedElement> recLitArgs = recLitExpr.getArgs();
                EList<Expr> recLitArgsExpr = recLitExpr.getArgExpr();
                // below are the values set to variable
                for (int ind = 0; ind < recLitArgs.size(); ind++) {
                    FieldDefinition fieldDef = new FieldDefinition();
                    fieldDef.setFieldIdentifier(recLitArgs.get(ind).getName());
                    fieldDef.setFieldValue(getVdmExpressionFromAgreeExpression(recLitArgsExpr.get(ind), dataTypeDecl, nodeDecl, model));
                    // set field definitions in the record literal in the vdm model
                    vdmRecordLiteral.getFieldDefinition().add(fieldDef);
                }
                vdmExpr.setRecordLiteral(vdmRecordLiteral);
            } else {
                System.out.println("Unexpected Literal's Record Type that has null named elm.");
            }
        } else {
            System.out.println("Unresolved or unmapped record literal expression.");
        }
    } else if (agreeExpr instanceof IntLitExpr) {
        IntLitExpr intLitExpr = (IntLitExpr) agreeExpr;
        BigInteger bigInt = new BigInteger(intLitExpr.getVal());
        vdmExpr.setIntLiteral(bigInt);
    } else if (agreeExpr instanceof RealLitExpr) {
        RealLitExpr realLitExpr = (RealLitExpr) agreeExpr;
        BigDecimal bigDecimal = new BigDecimal(realLitExpr.getVal());
        vdmExpr.setRealLiteral(bigDecimal);
    } else if (agreeExpr instanceof EventExpr) {
        EventExpr eventExpr = (EventExpr) agreeExpr;
        if (eventExpr.getPort() != null) {
            vdmExpr.setEvent(getVdmExpressionFromAgreeExpression(eventExpr.getPort(), dataTypeDecl, nodeDecl, model));
        } else {
            System.out.println("EventExpr does not have port infornation.");
        }
    } else if (agreeExpr instanceof RealCast) {
        RealCast realCastExpr = (RealCast) agreeExpr;
        vdmExpr.setToReal(getVdmExpressionFromAgreeExpression(realCastExpr.getExpr(), dataTypeDecl, nodeDecl, model));
    } else {
        System.out.println("Unresolved/umapped agree expr" + agreeExpr.toString());
    }
    return vdmExpr;
}

Example 2 with ConstStatement

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

the class AGREESimulationState method buildPackageToConstantsMap.

private static Map<String, Map<String, ConstStatement>> buildPackageToConstantsMap(final IProject[] projects) {
    // Build a mapping between lower case package names and a map between constant names to constant statements
    final Map<String, Map<String, ConstStatement>> packageToConstantsMap = new HashMap<>();
    try {
        final Set<IFile> aadlFiles = new HashSet<>();
        getAadlFiles(projects, aadlFiles);
        for (final IFile aadlFile : aadlFiles) {
            // final Resource aadlRes = OsateResourceUtil.getResource(aadlFile);
            final Resource aadlRes = getResource(URI.createPlatformResourceURI(aadlFile.getFullPath().toString(), false));
            if (aadlRes != null && !aadlRes.getContents().isEmpty()) {
                final EObject content = aadlRes.getContents().get(0);
                if (content instanceof AadlPackage) {
                    // Find all AGREE Libraries
                    final AadlPackage pkg = (AadlPackage) content;
                    if (pkg.getPublicSection() != null && pkg.getName() != null) {
                        final Map<String, ConstStatement> constants = new HashMap<>();
                        packageToConstantsMap.put(pkg.getQualifiedName().toLowerCase(), constants);
                        for (final AnnexLibrary lib : pkg.getPublicSection().getOwnedAnnexLibraries()) {
                            // Look for AGREE annex libraries
                            if (lib instanceof DefaultAnnexLibrary && "agree".equalsIgnoreCase(lib.getName())) {
                                final AnnexLibrary parsedLib = ((DefaultAnnexLibrary) lib).getParsedAnnexLibrary();
                                if (parsedLib instanceof AgreeContractLibrary) {
                                    final AgreeContractLibrary agreeContractLib = (AgreeContractLibrary) parsedLib;
                                    if (agreeContractLib.getContract() instanceof AgreeContract) {
                                        final AgreeContract agreeContract = (AgreeContract) agreeContractLib.getContract();
                                        for (final SpecStatement spec : agreeContract.getSpecs()) {
                                            if (spec instanceof ConstStatement) {
                                                final ConstStatement constStatement = (ConstStatement) spec;
                                                // Check that the statement is of a supported type
                                                if (getType(constStatement) != null) {
                                                    constants.put(constStatement.getName().toLowerCase(), constStatement);
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    } catch (CoreException e) {
        throw new AGREESimulatorException(null, e, "Unable to build constants map");
    }
    return packageToConstantsMap;
}

Example 3 with ConstStatement

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

the class AGREESimulationState method getConstantLustreValue.

// Returns the raw value stored in the counterexample provided by JKind
public Value getConstantLustreValue(final int frameIndex, final Object constant) {
    if (frameIndex < 0 || frameIndex > frameInfos.size()) {
        throw new IllegalArgumentException("frameIndex is outside the valid range");
    }
    final ConstStatement constStatement = asConstant(constant);
    final com.rockwellcollins.atc.agree.agree.Expr agreeExpr = constStatement.getExpr();
    if (agreeExpr instanceof IntLitExpr) {
        return new IntegerValue(new BigInteger(((IntLitExpr) agreeExpr).getVal(), 10));
    } else if (agreeExpr instanceof RealLitExpr) {
        BigDecimal bd = new BigDecimal(((RealLitExpr) agreeExpr).getVal());
        if (bd.scale() < 0) {
            bd = bd.setScale(0);
        }
        return new RealValue(new BigFraction(bd.unscaledValue(), BigInteger.TEN.pow(bd.scale())));
    } else if (agreeExpr instanceof BoolLitExpr) {
        return BooleanValue.fromBoolean(((BoolLitExpr) agreeExpr).getVal().getValue());
    } else {
        return null;
    }
}

Example 4 with ConstStatement

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

the class AgreeValidator method checkConstStatement.

@Check(CheckType.FAST)
public void checkConstStatement(ConstStatement constStat) {
    TypeDef expected = AgreeTypeSystem.typeDefFromType(constStat.getType());
    TypeDef actual = AgreeTypeSystem.infer(constStat.getExpr());
    if (!AgreeTypeSystem.typesEqual(expected, actual)) {
        error(constStat, "The assumed type of constant statement '" + constStat.getName() + "' is '" + expected + "' but the actual type is '" + actual + "'");
    }
    // check for constant cycles
    Set<ConstStatement> constClosure = new HashSet<>();
    Set<ConstStatement> prevClosure;
    constClosure.add(constStat);
    // quick and dirty cycle check
    do {
        prevClosure = new HashSet<>(constClosure);
        for (ConstStatement constFrontElem : prevClosure) {
            List<SelectionExpr> nestIds = EcoreUtil2.getAllContentsOfType(constFrontElem, SelectionExpr.class);
            for (Expr nestId : nestIds) {
                while (nestId instanceof SelectionExpr) {
                    NamedElement base = ((SelectionExpr) nestId).getField();
                    if (base instanceof ConstStatement) {
                        ConstStatement closConst = (ConstStatement) base;
                        if (closConst.equals(constStat)) {
                            error(constStat, "The expression for constant statment '" + constStat.getName() + "' is part of a cyclic definition");
                            break;
                        }
                        constClosure.add(closConst);
                    }
                    nestId = ((SelectionExpr) nestId).getTarget();
                }
                NamedElement base = ((NamedElmExpr) nestId).getElm();
                if (base instanceof ConstStatement) {
                    ConstStatement closConst = (ConstStatement) base;
                    if (closConst.equals(constStat)) {
                        error(constStat, "The expression for constant statment '" + constStat.getName() + "' is part of a cyclic definition");
                        break;
                    }
                    constClosure.add(closConst);
                }
            }
        }
    } while (!prevClosure.equals(constClosure));
    for (Expr e : EcoreUtil2.getAllContentsOfType(constStat.getExpr(), Expr.class)) {
        if (!exprIsConstant(e)) {
            error(e, "Non-constant expression in constant declaration");
            return;
        }
    }
}

Example 5 with ConstStatement

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

the class AgreeLinkingService method getElm.

private Element getElm(EObject context, EReference reference, String name) {
    String[] segments = name.split("::");
    if (segments.length >= 2) {
        String pkgName = String.join("::", Arrays.copyOf(segments, segments.length - 1));
        String statementName = segments[segments.length - 1];
        Namespace namespace = AadlUtil.getContainingTopLevelNamespace(context);
        PropertySet propSet = AadlUtil.findImportedPropertySet(pkgName, namespace);
        if (propSet != null) {
            Element elm = propSet.findNamedElement(statementName);
            return elm;
        }
        AadlPackage aadlPackage = AadlUtil.findImportedPackage(pkgName, namespace);
        if (aadlPackage == null) {
            for (PackageRename rename : EcoreUtil2.getAllContentsOfType(namespace.getElementRoot(), PackageRename.class)) {
                if (rename.getName() != null && pkgName.equals(rename.getName())) {
                    aadlPackage = rename.getRenamedPackage();
                }
            }
        }
        if (aadlPackage != null) {
            for (AnnexLibrary annex : AnnexUtil.getAllActualAnnexLibraries(aadlPackage, AgreePackage.eINSTANCE.getAgreeContractLibrary())) {
                AgreeContract contract = (AgreeContract) ((AgreeContractLibrary) annex).getContract();
                for (SpecStatement spec : contract.getSpecs()) {
                    if (spec instanceof RecordDef) {
                        if (((RecordDef) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof FnDef) {
                        if (((FnDef) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof LibraryFnDef) {
                        if (((LibraryFnDef) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof UninterpretedFnDef) {
                        if (((UninterpretedFnDef) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof NodeDef) {
                        if (((NodeDef) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof LinearizationDef) {
                        if (((LinearizationDef) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof ConstStatement) {
                        if (((ConstStatement) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                    } else if (spec instanceof EnumStatement) {
                        if (((EnumStatement) spec).getName().equals(statementName)) {
                            return (spec);
                        }
                        EList<NamedID> enums = ((EnumStatement) spec).getEnums();
                        for (NamedID nid : enums) {
                            if (nid.getName().contentEquals(statementName)) {
                                return nid;
                            }
                        }
                    }
                }
            }
        }
    }
    return null;
}