Examples with AgreeException com.rockwellcollins.atc.agree.analysis.AgreeException used on opensource projects

Example 11 with AgreeException

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

the class EvaluateSwitch method lookupMethod.

private java.lang.reflect.Method lookupMethod(com.rockwellcollins.atc.agree.agree.LibraryFnDef nativeDef) {
    java.lang.reflect.Method result = nativeCallMap.get(nativeDef);
    final String containingClassName = "java.lang.Math";
    if (result == null) {
        String methodName = nativeDef.getName();
        try {
            Class<?> containingClass = java.lang.Class.forName(containingClassName);
            // Class<?> returnClass = double.class;
            Class<?>[] parameterTypes = new Class<?>[] { double.class };
            result = containingClass.getMethod(methodName, parameterTypes);
            if (Modifier.isStatic(result.getModifiers())) {
                nativeCallMap.put(nativeDef, result);
            } else {
                throw new AgreeException("Method '" + methodName + "' is not static");
            }
        } catch (SecurityException e) {
            e.printStackTrace();
            throw new AgreeException("Cannot resolve method '" + methodName + "' due to security violation: " + e.getMessage());
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            throw new AgreeException("Cannot resolve class '" + containingClassName + "': " + e.getMessage());
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
            throw new AgreeException("Cannot resolve method '" + methodName + "': " + e.getMessage());
        }
    }
    return result;
}

Example 12 with AgreeException

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

the class AgreeNodeToLustreContract method nodeAssertsToEqs.

private static List<Equation> nodeAssertsToEqs(AgreeNode agreeNode) {
    List<Equation> eqs = new ArrayList<>();
    for (AgreeStatement statement : agreeNode.assertions) {
        if (AgreeUtils.referenceIsInContract(statement.reference, agreeNode.compInst)) {
            BinaryExpr expr = (BinaryExpr) statement.expr;
            if ((expr.op != BinaryOp.EQUAL)) {
                throw new AgreeException("Unexpected expression type in AGREE AST asssertion");
            }
            Expr leftExpr = expr.left;
            Expr rightExpr = expr.right;
            List<IdExpr> ids = new ArrayList<>();
            if (leftExpr instanceof TupleExpr) {
                TupleExpr tuple = (TupleExpr) leftExpr;
                for (Expr element : tuple.elements) {
                    ids.add((IdExpr) element);
                }
            } else {
                ids.add((IdExpr) leftExpr);
            }
            eqs.add(new Equation(ids, rightExpr));
        }
    }
    return eqs;
}

Example 13 with AgreeException

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

the class LustreAstBuilder method getRealizabilityLustreProgram.

// private static AgreeProgram translate(AgreeProgram program){
// return AgreeInlineLatchedConnections.translate(program);
// }
public static Program getRealizabilityLustreProgram(AgreeProgram agreeProgram) {
    List<TypeDef> types = AgreeUtils.getLustreTypes(agreeProgram);
    List<Expr> assertions = new ArrayList<>();
    List<VarDecl> locals = new ArrayList<>();
    List<VarDecl> inputs = new ArrayList<>();
    List<Equation> equations = new ArrayList<>();
    List<String> properties = new ArrayList<>();
    AgreeNode topNode = agreeProgram.topNode;
    for (AgreeStatement assumption : topNode.assumptions) {
        assertions.add(assumption.expr);
    }
    int i = 0;
    for (AgreeStatement guarantee : topNode.guarantees) {
        String guarName = guarSuffix + i++;
        locals.add(new AgreeVar(guarName, NamedType.BOOL, guarantee.reference, topNode.compInst, null));
        equations.add(new Equation(new IdExpr(guarName), guarantee.expr));
        properties.add(guarName);
    }
    List<String> inputStrs = new ArrayList<>();
    for (AgreeVar var : topNode.inputs) {
        inputs.add(var);
        inputStrs.add(var.id);
    }
    for (AgreeVar var : topNode.outputs) {
        inputs.add(var);
    }
    // and type equations. This would clear this up
    for (AgreeStatement statement : topNode.assertions) {
        if (AgreeUtils.referenceIsInContract(statement, topNode.compInst)) {
            // this is a strange hack we have to do. we have to make
            // equation and property
            // statements not assertions. They should all be binary
            // expressions with an
            // equals operator. We will need to removing their corresponding
            // variable
            // from the inputs and add them to the local variables
            BinaryExpr binExpr;
            IdExpr varId;
            try {
                binExpr = (BinaryExpr) statement.expr;
                varId = (IdExpr) binExpr.left;
            } catch (ClassCastException e) {
                // some equation variables are assertions for
                // subrange types. do not translate these to
                // local equations. Just add them to assertions
                assertions.add(statement.expr);
                continue;
            }
            boolean found = false;
            int index;
            for (index = 0; index < inputs.size(); index++) {
                VarDecl var = inputs.get(index);
                if (var.id.equals(varId.id)) {
                    found = true;
                    break;
                }
            }
            if (!found || binExpr.op != BinaryOp.EQUAL) {
                throw new AgreeException("Something went very wrong with the lustre generation in the realizability analysis");
            }
            locals.add(inputs.remove(index));
            equations.add(new Equation(varId, binExpr.right));
        }
    }
    NodeBuilder builder = new NodeBuilder("main");
    builder.addInputs(inputs);
    builder.addLocals(locals);
    builder.addEquations(equations);
    builder.addProperties(properties);
    builder.addAssertions(assertions);
    builder.setRealizabilityInputs(inputStrs);
    Node main = builder.build();
    List<Node> nodes = new ArrayList<>();
    nodes.add(main);
    nodes.addAll(agreeProgram.globalLustreNodes);
    List<Function> uFunctions = new ArrayList<>();
    uFunctions.addAll(agreeProgram.uninterpretedFunctions);
    Program program = new ProgramBuilder().addTypes(types).addFunctions(uFunctions).addNodes(nodes).setMain(main.id).build();
    return program;
}

Example 14 with AgreeException

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

the class LustreAstBuilder method addInputsAndOutputs.

protected static void addInputsAndOutputs(AgreeNode parentNode, List<AgreeVar> inputs, List<AgreeVar> outputs, List<AgreeStatement> patternProps, AgreeNode subAgreeNode, Node lustreNode, String prefix) {
    int varCount = 0;
    for (AgreeVar var : subAgreeNode.inputs) {
        varCount++;
        AgreeVar input = new AgreeVar(prefix + var.id, var.type, var.reference, var.compInst, var.featInst);
        inputs.add(input);
    }
    for (AgreeVar var : subAgreeNode.outputs) {
        varCount++;
        AgreeVar output = new AgreeVar(prefix + var.id, var.type, var.reference, var.compInst, var.featInst);
        outputs.add(output);
    }
    // for (AgreeVar var : subAgreeNode.locals) {
    // varCount++;
    // AgreeVar local = new AgreeVar(prefix + var.id, var.type, var.reference, var.compInst, var.featInst);
    // outputs.add(local);
    // }
    int i = 0;
    for (AgreeStatement statement : subAgreeNode.assumptions) {
        varCount++;
        AgreeVar output = new AgreeVar(prefix + assumeSuffix + i++, NamedType.BOOL, statement.reference, subAgreeNode.compInst, null);
        outputs.add(output);
    }
    int k = 0;
    for (AgreeStatement statement : subAgreeNode.patternProps) {
        varCount++;
        AgreeVar output = new AgreeVar(prefix + patternPropSuffix + k++, NamedType.BOOL, statement, subAgreeNode.compInst, null);
        patternProps.add(new AgreeStatement(prefix.replace("__", "") + ": " + statement.string, new IdExpr(output.id), statement.reference));
        outputs.add(output);
    }
    // add the assumption history var
    varCount++;
    outputs.add(new AgreeVar(prefix + assumeSuffix + "__HIST", NamedType.BOOL, null, subAgreeNode.compInst, null));
    int j = 0;
    for (AgreeStatement statement : subAgreeNode.lemmas) {
        varCount++;
        AgreeVar output = new AgreeVar(prefix + lemmaSuffix + j++, NamedType.BOOL, statement.reference, subAgreeNode.compInst, null);
        outputs.add(output);
    }
    if (parentNode.timing == TimingModel.ASYNC || parentNode.timing == TimingModel.LATCHED) {
        inputs.add(subAgreeNode.clockVar);
        varCount++;
    }
    if (lustreNode.inputs.size() != varCount) {
        throw new AgreeException("Something went wrong during node flattening");
    }
}

Example 15 with AgreeException

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

the class LustreContractAstBuilder method flattenAgreeNodeKindContract.

protected static AgreeNode flattenAgreeNodeKindContract(AgreeNode agreeNode, String nodePrefix) {
    List<AgreeVar> inputs = new ArrayList<>();
    List<AgreeVar> outputs = new ArrayList<>();
    List<AgreeVar> locals = new ArrayList<>();
    List<AgreeStatement> assertions = new ArrayList<>();
    Expr someoneTicks = null;
    for (AgreeNode subAgreeNode : agreeNode.subNodes) {
        String prefix = subAgreeNode.id + AgreeASTBuilder.dotChar;
        Expr clockExpr = getClockExpr(agreeNode, subAgreeNode);
        if (someoneTicks == null) {
            someoneTicks = clockExpr;
        } else {
            someoneTicks = new BinaryExpr(someoneTicks, BinaryOp.OR, clockExpr);
        }
        AgreeNode flatNode = flattenAgreeNodeKindContract(subAgreeNode, nodePrefix + subAgreeNode.id + AgreeASTBuilder.dotChar);
        Node lustreNode = addSubNodeLustre(agreeNode, nodePrefix, flatNode);
        addInputsAndOutputs(inputs, outputs, flatNode, lustreNode, prefix);
        addCondactCall(agreeNode, nodePrefix, inputs, assertions, flatNode, prefix, clockExpr, lustreNode);
        // addClockHolds(agreeNode, assertions, flatNode, clockExpr, prefix,
        // lustreNode);
        addInitConstraint(agreeNode, outputs, assertions, flatNode, prefix, clockExpr, lustreNode);
    }
    if (agreeNode.timing == TimingModel.ASYNC) {
        if (someoneTicks == null) {
            throw new AgreeException("Somehow we generated a clock constraint without any clocks");
        }
        assertions.add(new AgreeStatement("someone ticks", someoneTicks, null));
    }
    addConnectionConstraints(agreeNode, assertions);
    // add any clock constraints
    assertions.addAll(agreeNode.assertions);
    assertions.add(new AgreeStatement("", agreeNode.clockConstraint, null));
    inputs.addAll(agreeNode.inputs);
    outputs.addAll(agreeNode.outputs);
    locals.addAll(agreeNode.locals);
    AgreeNodeBuilder builder = new AgreeNodeBuilder(agreeNode.id);
    builder.addInput(inputs);
    builder.addOutput(outputs);
    builder.addLocal(locals);
    builder.addLocalEquation(agreeNode.localEquations);
    builder.addSubNode(agreeNode.subNodes);
    builder.addAssertion(assertions);
    builder.addAssumption(agreeNode.assumptions);
    builder.addGuarantee(agreeNode.guarantees);
    builder.addLemma(agreeNode.lemmas);
    builder.addPatternProp(agreeNode.patternProps);
    builder.setClockConstraint(new BoolExpr(true));
    builder.setInitialConstraint(agreeNode.initialConstraint);
    builder.setClockVar(agreeNode.clockVar);
    builder.setReference(agreeNode.reference);
    builder.setTiming(null);
    builder.addEventTime(agreeNode.eventTimes);
    builder.setCompInst(agreeNode.compInst);
    return builder.build();
}