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 $

            }
            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();
        //todo why can a statement can be null?
        if (s == null) return;

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        // if we reach this point we have at last 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 (!mr.isDerivedFrom(testmr)) {
            throw new RuntimeParserException(
                    "the return type 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);

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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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        for (MethodNode mn : cn.getMethods()) {
            if (mn.isSynthetic()) continue;
            String mySig = makeDescriptorWithoutReturnType(mn);
            if (descriptors.contains(mySig)) {
                if (mn.isScriptBody() || mySig.equals(scriptBodySignatureWithoutReturnType(cn))) {
                    throw new RuntimeParserException("The method " + mn.getText() +
                            " is a duplicate of the one declared for this script's body code", mn);
                } else {
                    throw new RuntimeParserException("The method " + mn.getText() +
                            " duplicates another method of the same signature", mn);
                }
            }
            descriptors.add(mySig);
        }

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        if (ret != null) {
            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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                if(annotations != null) {
                    newMethod.addAnnotations(annotations);
                }
                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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