Examples of org.codehaus.groovy.syntax.RuntimeParserException

org.codehaus.groovy.syntax.RuntimeParserException
A helper class to allow parser exceptions to be thrown anywhere in the code. Should be replaced when no longer required. @author James Strachan @version $Revision: 19543 $

                }


                MethodNode newMethod = new MethodNode(method.getName(), method.getModifiers(), method.getReturnType(), newParams, method.getExceptions(), code);
                MethodNode oldMethod = node.getDeclaredMethod(method.getName(), newParams);
                if (oldMethod != null) {
                    throw new RuntimeParserException(
                            "The method with default parameters \"" + method.getTypeDescriptor() +
                                    "\" defines a method \"" + newMethod.getTypeDescriptor() +
                                    "\" that is already defined.",
                            method);
                }

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                methodsIterator.remove();
            }
            MethodNode intfMethod = allInterfaceMethods.get(m.getTypeDescriptor());
            if (intfMethod != null && ((m.getModifiers() & ACC_SYNTHETIC) == 0)
                    && !m.isPublic() && !m.isStaticConstructor()) {
                throw new RuntimeParserException("The method " + m.getName() +
                        " should be public as it implements the corresponding method from interface " +
                        intfMethod.getDeclaringClass(), m);


            }
        }

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        // if we reach this point we have at least one parameter or return type, that
        // is different in its specified form. That means we have to create a bridge method!
        ClassNode testmr = correctToGenericsSpec(genericsSpec, omr);
        if (!isAssignable(mr, testmr)) {
            throw new RuntimeParserException(
                    "The return type of " +
                            overridingMethod.getTypeDescriptor() +
                            " in " + overridingMethod.getDeclaringClass().getName() +
                            " is incompatible with " +
                            oldMethod.getTypeDescriptor() +
                            " in " + oldMethod.getDeclaringClass().getName(),
                    overridingMethod);
        }
        if ((oldMethod.getModifiers() & ACC_FINAL) != 0) {
            throw new RuntimeParserException(
                    "Cannot override final method " +
                            oldMethod.getTypeDescriptor() +
                            " in " + oldMethod.getDeclaringClass().getName(),
                    overridingMethod);
        }
        if (oldMethod.isStatic() != overridingMethod.isStatic()) {
            throw new RuntimeParserException(
                    "Cannot override method " +
                            oldMethod.getTypeDescriptor() +
                            " in " + oldMethod.getDeclaringClass().getName() +
                            " with disparate static modifier",
                    overridingMethod);
        }
        if (!equalReturnType) {
            boolean oldM = ClassHelper.isPrimitiveType(oldMethod.getReturnType());
            boolean newM = ClassHelper.isPrimitiveType(overridingMethod.getReturnType());
            if (oldM || newM) {
                String message="";
                if (oldM && newM) {
                    message = " with old and new method having different primitive return types";
                } else if (newM) {
                    message = " with new method having a primitive return type and old method not";
                } else if (oldM) {
                    message = " with old method having a primitive return type and new method not";
                }
                throw new RuntimeParserException(
                        "Cannot override method " +
                            oldMethod.getTypeDescriptor() +
                            " in " + oldMethod.getDeclaringClass().getName() +
                            message,
                        overridingMethod);

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    private FieldNode getMetaClassField(ClassNode node) {
        FieldNode ret = node.getDeclaredField("metaClass");
        if (ret != null) {
            ClassNode mcFieldType = ret.getType();
            if (!mcFieldType.equals(ClassHelper.METACLASS_TYPE)) {
                throw new RuntimeParserException("The class " + node.getName() +
                        " cannot declare field 'metaClass' of type " + mcFieldType.getName() + " as it needs to be of " +
                        "the type " + ClassHelper.METACLASS_TYPE.getName() + " for internal groovy purposes", ret);
            }
            return ret;
        }

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        for (ClassNode classNode : classNodes) {
            interfaces.add(classNode.getName());
        }
        Set<String> interfaceSet = new HashSet<String>(interfaces);
        if (interfaceSet.size() != interfaces.size()) {
            throw new RuntimeParserException("Duplicate interfaces in implements list: " + interfaces, classNode);
        }


        addDefaultParameterMethods(node);
        addDefaultParameterConstructors(node);

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            if (ret == null) continue;
            if (    Modifier.isPublic(ret.getModifiers()) &&
                    ret.getType().redirect()==ClassHelper.boolean_TYPE) {
                return ret;
            }
            throw new RuntimeParserException("The class " + node.getName() +
                    " cannot declare field '"+fieldName+"' as this" +
                    " field is needed for internal groovy purposes", ret);
        }
        return null;
    }

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            public void visitClosureExpression(ClosureExpression expression) {
                // return is OK in closures in object initializers
            }


            public void visitReturnStatement(ReturnStatement statement) {
                throw new RuntimeParserException("'return' is not allowed in object initializer", statement);
            }
        };
        for (Iterator iterator = init.iterator(); iterator.hasNext();) {
            Statement stm = (Statement) iterator.next();
            stm.visit(cvs);

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            public void visitVariableExpression(VariableExpression expression) {
                if (type == null) return;
                String name = expression.getName();
                if (!name.equals("this") && !name.equals("super")) return;
                throw new RuntimeParserException("cannot reference " + name + " inside of " + type + "(....) before supertype constructor has been called", expression);
            }
        };
        Statement s = node.getCode();
        if (s == null) {
            return;

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    }


    public void visitMethod(MethodNode node) {
        //GROOVY-3712 - if it's an MOP method, it's an error as they aren't supposed to exist before ACG is invoked
        if(MopWriter.isMopMethod(node.getName())) {
            throw new RuntimeParserException("Found unexpected MOP methods in the class node for " + classNode.getName() +
                    "(" + node.getName() + ")", classNode);
        }
        this.methodNode = node;
        adjustTypesIfStaticMainMethod(node);
        addReturnIfNeeded(node);

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        controller.getBinaryExpHelper().evaluatePostfixMethod(expression);
        controller.getAssertionWriter().record(expression);
    }


    public void throwException(String s) {
        throw new RuntimeParserException(s, currentASTNode);
    }

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org.codehaus.groovy.ast.ASTNode

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