Examples with GroovyBugError org.codehaus.groovy.GroovyBugError used on opensource projects

Example 11 with GroovyBugError

use of org.codehaus.groovy.GroovyBugError in project groovy by apache.

the class StaticTypeCheckingVisitor method extractPlaceHolders.

private static Map<String, GenericsType> extractPlaceHolders(MethodNode method, ClassNode receiver, ClassNode declaringClass) {
    if (declaringClass.equals(OBJECT_TYPE)) {
        Map<String, GenericsType> resolvedPlaceholders = new HashMap<String, GenericsType>();
        if (method != null)
            addMethodLevelDeclaredGenerics(method, resolvedPlaceholders);
        return resolvedPlaceholders;
    }
    Map<String, GenericsType> resolvedPlaceholders = null;
    if (isPrimitiveType(receiver) && !isPrimitiveType(declaringClass)) {
        receiver = getWrapper(receiver);
    }
    final List<ClassNode> queue;
    if (receiver instanceof UnionTypeClassNode) {
        queue = Arrays.asList(((UnionTypeClassNode) receiver).getDelegates());
    } else {
        queue = Collections.singletonList(receiver);
    }
    for (ClassNode item : queue) {
        ClassNode current = item;
        while (current != null) {
            boolean continueLoop = true;
            //extract the place holders
            Map<String, GenericsType> currentPlaceHolders = new HashMap<String, GenericsType>();
            if (isGenericsPlaceHolderOrArrayOf(declaringClass) || declaringClass.equals(current)) {
                extractGenericsConnections(currentPlaceHolders, current, declaringClass);
                if (method != null)
                    addMethodLevelDeclaredGenerics(method, currentPlaceHolders);
                continueLoop = false;
            } else {
                GenericsUtils.extractPlaceholders(current, currentPlaceHolders);
            }
            if (resolvedPlaceholders != null) {
                // merge maps
                Set<Map.Entry<String, GenericsType>> entries = currentPlaceHolders.entrySet();
                for (Map.Entry<String, GenericsType> entry : entries) {
                    GenericsType gt = entry.getValue();
                    if (!gt.isPlaceholder())
                        continue;
                    GenericsType referenced = resolvedPlaceholders.get(gt.getName());
                    if (referenced == null)
                        continue;
                    entry.setValue(referenced);
                }
            }
            resolvedPlaceholders = currentPlaceHolders;
            // we are done if we are now in the declaring class
            if (!continueLoop)
                break;
            current = getNextSuperClass(current, declaringClass);
            if (current == null && CLASS_Type.equals(declaringClass)) {
                // this can happen if the receiver is Class<Foo>, then
                // the actual receiver is Foo and declaringClass is Class
                current = declaringClass;
            }
        }
    }
    if (resolvedPlaceholders == null) {
        String descriptor = "<>";
        if (method != null)
            descriptor = method.getTypeDescriptor();
        throw new GroovyBugError("Declaring class for method call to '" + descriptor + "' declared in " + declaringClass.getName() + " was not matched with found receiver " + receiver.getName() + "." + " This should not have happened!");
    }
    return resolvedPlaceholders;
}

Example 12 with GroovyBugError

use of org.codehaus.groovy.GroovyBugError in project groovy by apache.

the class StaticTypeCheckingSupport method evaluateExpression.

/**
     * A helper method that can be used to evaluate expressions as found in annotation
     * parameters. For example, it will evaluate a constant, be it referenced directly as
     * an integer or as a reference to a field.
     *
     * If this method throws an exception, then the expression cannot be evaluated on its own.
     *
     * @param expr the expression to be evaluated
     * @param config the compiler configuration
     * @return the result of the expression
     */
public static Object evaluateExpression(Expression expr, CompilerConfiguration config) {
    String className = "Expression$" + UUID.randomUUID().toString().replace('-', '$');
    ClassNode node = new ClassNode(className, Opcodes.ACC_PUBLIC, OBJECT_TYPE);
    ReturnStatement code = new ReturnStatement(expr);
    node.addMethod(new MethodNode("eval", Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, OBJECT_TYPE, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, code));
    CompilerConfiguration copyConf = new CompilerConfiguration(config);
    CompilationUnit cu = new CompilationUnit(copyConf);
    cu.addClassNode(node);
    cu.compile(Phases.CLASS_GENERATION);
    @SuppressWarnings("unchecked") List<GroovyClass> classes = (List<GroovyClass>) cu.getClasses();
    Class aClass = cu.getClassLoader().defineClass(className, classes.get(0).getBytes());
    try {
        return aClass.getMethod("eval").invoke(null);
    } catch (IllegalAccessException e) {
        throw new GroovyBugError(e);
    } catch (InvocationTargetException e) {
        throw new GroovyBugError(e);
    } catch (NoSuchMethodException e) {
        throw new GroovyBugError(e);
    }
}

Example 13 with GroovyBugError

use of org.codehaus.groovy.GroovyBugError in project groovy by apache.

the class BinaryExpressionHelper method eval.

public void eval(BinaryExpression expression) {
    switch(expression.getOperation().getType()) {
        case // = assignment
        EQUAL:
            evaluateEqual(expression, false);
            break;
        case // ==
        COMPARE_EQUAL:
            evaluateCompareExpression(compareEqualMethod, expression);
            break;
        case COMPARE_NOT_EQUAL:
            evaluateCompareExpression(compareNotEqualMethod, expression);
            break;
        case COMPARE_TO:
            evaluateCompareTo(expression);
            break;
        case COMPARE_GREATER_THAN:
            evaluateCompareExpression(compareGreaterThanMethod, expression);
            break;
        case COMPARE_GREATER_THAN_EQUAL:
            evaluateCompareExpression(compareGreaterThanEqualMethod, expression);
            break;
        case COMPARE_LESS_THAN:
            evaluateCompareExpression(compareLessThanMethod, expression);
            break;
        case COMPARE_LESS_THAN_EQUAL:
            evaluateCompareExpression(compareLessThanEqualMethod, expression);
            break;
        case LOGICAL_AND:
            evaluateLogicalAndExpression(expression);
            break;
        case LOGICAL_OR:
            evaluateLogicalOrExpression(expression);
            break;
        case BITWISE_AND:
            evaluateBinaryExpression("and", expression);
            break;
        case BITWISE_AND_EQUAL:
            evaluateBinaryExpressionWithAssignment("and", expression);
            break;
        case BITWISE_OR:
            evaluateBinaryExpression("or", expression);
            break;
        case BITWISE_OR_EQUAL:
            evaluateBinaryExpressionWithAssignment("or", expression);
            break;
        case BITWISE_XOR:
            evaluateBinaryExpression("xor", expression);
            break;
        case BITWISE_XOR_EQUAL:
            evaluateBinaryExpressionWithAssignment("xor", expression);
            break;
        case PLUS:
            evaluateBinaryExpression("plus", expression);
            break;
        case PLUS_EQUAL:
            evaluateBinaryExpressionWithAssignment("plus", expression);
            break;
        case MINUS:
            evaluateBinaryExpression("minus", expression);
            break;
        case MINUS_EQUAL:
            evaluateBinaryExpressionWithAssignment("minus", expression);
            break;
        case MULTIPLY:
            evaluateBinaryExpression("multiply", expression);
            break;
        case MULTIPLY_EQUAL:
            evaluateBinaryExpressionWithAssignment("multiply", expression);
            break;
        case DIVIDE:
            evaluateBinaryExpression("div", expression);
            break;
        case DIVIDE_EQUAL:
            //SPG don't use divide since BigInteger implements directly
            //and we want to dispatch through DefaultGroovyMethods to get a BigDecimal result
            evaluateBinaryExpressionWithAssignment("div", expression);
            break;
        case INTDIV:
            evaluateBinaryExpression("intdiv", expression);
            break;
        case INTDIV_EQUAL:
            evaluateBinaryExpressionWithAssignment("intdiv", expression);
            break;
        case MOD:
            evaluateBinaryExpression("mod", expression);
            break;
        case MOD_EQUAL:
            evaluateBinaryExpressionWithAssignment("mod", expression);
            break;
        case POWER:
            evaluateBinaryExpression("power", expression);
            break;
        case POWER_EQUAL:
            evaluateBinaryExpressionWithAssignment("power", expression);
            break;
        case LEFT_SHIFT:
            evaluateBinaryExpression("leftShift", expression);
            break;
        case LEFT_SHIFT_EQUAL:
            evaluateBinaryExpressionWithAssignment("leftShift", expression);
            break;
        case RIGHT_SHIFT:
            evaluateBinaryExpression("rightShift", expression);
            break;
        case RIGHT_SHIFT_EQUAL:
            evaluateBinaryExpressionWithAssignment("rightShift", expression);
            break;
        case RIGHT_SHIFT_UNSIGNED:
            evaluateBinaryExpression("rightShiftUnsigned", expression);
            break;
        case RIGHT_SHIFT_UNSIGNED_EQUAL:
            evaluateBinaryExpressionWithAssignment("rightShiftUnsigned", expression);
            break;
        case KEYWORD_INSTANCEOF:
            evaluateInstanceof(expression);
            break;
        case FIND_REGEX:
            evaluateCompareExpression(findRegexMethod, expression);
            break;
        case MATCH_REGEX:
            evaluateCompareExpression(matchRegexMethod, expression);
            break;
        case LEFT_SQUARE_BRACKET:
            if (controller.getCompileStack().isLHS()) {
                evaluateEqual(expression, false);
            } else {
                evaluateBinaryExpression("getAt", expression);
            }
            break;
        case KEYWORD_IN:
            evaluateCompareExpression(isCaseMethod, expression);
            break;
        case COMPARE_IDENTICAL:
        case COMPARE_NOT_IDENTICAL:
            Token op = expression.getOperation();
            Throwable cause = new SyntaxException("Operator " + op + " not supported", op.getStartLine(), op.getStartColumn(), op.getStartLine(), op.getStartColumn() + 3);
            throw new GroovyRuntimeException(cause);
        default:
            throw new GroovyBugError("Operation: " + expression.getOperation() + " not supported");
    }
}

Example 14 with GroovyBugError

use of org.codehaus.groovy.GroovyBugError in project groovy by apache.

the class CompileStack method init.

/**
     * initializes this class for a MethodNode. This method will
     * automatically define variables for the method parameters
     * and will create references if needed.  The created variables
     * can be accessed by calling getVariable().
     *
     */
public void init(VariableScope el, Parameter[] parameters) {
    if (!clear)
        throw new GroovyBugError("CompileStack#init called without calling clear before");
    clear = false;
    pushVariableScope(el);
    defineMethodVariables(parameters, el.isInStaticContext());
    this.className = BytecodeHelper.getTypeDescription(controller.getClassNode());
}

Example 15 with GroovyBugError

use of org.codehaus.groovy.GroovyBugError in project groovy by apache.

the class Verifier method addDefaultParameters.

protected void addDefaultParameters(DefaultArgsAction action, MethodNode method) {
    Parameter[] parameters = method.getParameters();
    int counter = 0;
    List paramValues = new ArrayList();
    int size = parameters.length;
    for (int i = size - 1; i >= 0; i--) {
        Parameter parameter = parameters[i];
        if (parameter != null && parameter.hasInitialExpression()) {
            paramValues.add(i);
            paramValues.add(new CastExpression(parameter.getType(), parameter.getInitialExpression()));
            counter++;
        }
    }
    for (int j = 1; j <= counter; j++) {
        Parameter[] newParams = new Parameter[parameters.length - j];
        ArgumentListExpression arguments = new ArgumentListExpression();
        int index = 0;
        int k = 1;
        for (Parameter parameter : parameters) {
            if (parameter == null) {
                throw new GroovyBugError("Parameter should not be null for method " + methodNode.getName());
            } else {
                if (k > counter - j && parameter.hasInitialExpression()) {
                    arguments.addExpression(new CastExpression(parameter.getType(), parameter.getInitialExpression()));
                    k++;
                } else if (parameter.hasInitialExpression()) {
                    newParams[index++] = parameter;
                    arguments.addExpression(new CastExpression(parameter.getType(), new VariableExpression(parameter.getName())));
                    k++;
                } else {
                    newParams[index++] = parameter;
                    arguments.addExpression(new CastExpression(parameter.getType(), new VariableExpression(parameter.getName())));
                }
            }
        }
        action.call(arguments, newParams, method);
    }
    for (Parameter parameter : parameters) {
        // remove default expression and store it as node metadata
        parameter.putNodeMetaData(Verifier.INITIAL_EXPRESSION, parameter.getInitialExpression());
        parameter.setInitialExpression(null);
    }
}