Examples of org.codehaus.groovy.ast.stmt.ReturnStatement

org.codehaus.groovy.ast.stmt.ReturnStatement
A return statement @author James Strachan @version $Revision: 15122 $

        );
        Statement result;
        if (ClassHelper.VOID_TYPE.equals(forwarderMethod.getReturnType())) {
            BlockStatement stmt = new BlockStatement();
            stmt.addStatement(new ExpressionStatement(delegateCall));
            stmt.addStatement(new ReturnStatement(new ConstantExpression(null)));
            result = stmt;
        } else {
            result = new ReturnStatement(delegateCall);
        }
        return result;
    }

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            MethodNode valuesMethod = new MethodNode("values", PUBLIC_FS, enumRef.makeArray(), new Parameter[0], ClassNode.EMPTY_ARRAY, null);
            valuesMethod.setSynthetic(true);
            BlockStatement code = new BlockStatement();
            MethodCallExpression cloneCall = new MethodCallExpression(new FieldExpression(values), "clone", MethodCallExpression.NO_ARGUMENTS);
            cloneCall.setMethodTarget(values.getType().getMethod("clone", Parameter.EMPTY_ARRAY));
            code.addStatement(new ReturnStatement(cloneCall));
            valuesMethod.setCode(code);
            enumClass.addMethod(valuesMethod);
        }


        if (!hasNext) {
            // create next() method, code:
            //     Day next() {
            //        int ordinal = ordinal().next()
            //        if (ordinal >= values().size()) ordinal = 0
            //        return values()[ordinal]
            //     }
            Token assign = Token.newSymbol(Types.ASSIGN, -1, -1);
            Token ge = Token.newSymbol(Types.COMPARE_GREATER_THAN_EQUAL, -1, -1);
            MethodNode nextMethod = new MethodNode("next", Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, enumRef, new Parameter[0], ClassNode.EMPTY_ARRAY, null);
            nextMethod.setSynthetic(true);
            BlockStatement code = new BlockStatement();
            BlockStatement ifStatement = new BlockStatement();
            ifStatement.addStatement(
                    new ExpressionStatement(
                            new BinaryExpression(new VariableExpression("ordinal"), assign, new ConstantExpression(0))
                    )
            );


            code.addStatement(
                    new ExpressionStatement(
                            new DeclarationExpression(
                                    new VariableExpression("ordinal"),
                                    assign,
                                    new MethodCallExpression(
                                            new MethodCallExpression(
                                                    VariableExpression.THIS_EXPRESSION,
                                                    "ordinal",
                                                    MethodCallExpression.NO_ARGUMENTS),
                                            "next",
                                            MethodCallExpression.NO_ARGUMENTS
                                    )
                            )
                    )
            );
            code.addStatement(
                    new IfStatement(
                            new BooleanExpression(new BinaryExpression(
                                    new VariableExpression("ordinal"),
                                    ge,
                                    new MethodCallExpression(
                                            new FieldExpression(values),
                                            "size",
                                            MethodCallExpression.NO_ARGUMENTS
                                    )
                            )),
                            ifStatement,
                            EmptyStatement.INSTANCE
                    )
            );
            code.addStatement(
                    new ReturnStatement(
                            new MethodCallExpression(new FieldExpression(values), "getAt", new VariableExpression("ordinal"))
                    )
            );
            nextMethod.setCode(code);
            enumClass.addMethod(nextMethod);
        }


        if (!hasPrevious) {
            // create previous() method, code:
            //    Day previous() {
            //        int ordinal = ordinal().previous()
            //        if (ordinal < 0) ordinal = values().size() - 1
            //        return values()[ordinal]
            //    }
            Token assign = Token.newSymbol(Types.ASSIGN, -1, -1);
            Token lt = Token.newSymbol(Types.COMPARE_LESS_THAN, -1, -1);
            MethodNode nextMethod = new MethodNode("previous", Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, enumRef, new Parameter[0], ClassNode.EMPTY_ARRAY, null);
            nextMethod.setSynthetic(true);
            BlockStatement code = new BlockStatement();
            BlockStatement ifStatement = new BlockStatement();
            ifStatement.addStatement(
                    new ExpressionStatement(
                            new BinaryExpression(new VariableExpression("ordinal"), assign,
                                    new MethodCallExpression(
                                            new MethodCallExpression(
                                                    new FieldExpression(values),
                                                    "size",
                                                    MethodCallExpression.NO_ARGUMENTS
                                            ),
                                            "minus",
                                            new ConstantExpression(1)
                                    )
                            )
                    )
            );


            code.addStatement(
                    new ExpressionStatement(
                            new DeclarationExpression(
                                    new VariableExpression("ordinal"),
                                    assign,
                                    new MethodCallExpression(
                                            new MethodCallExpression(
                                                    VariableExpression.THIS_EXPRESSION,
                                                    "ordinal",
                                                    MethodCallExpression.NO_ARGUMENTS),
                                            "previous",
                                            MethodCallExpression.NO_ARGUMENTS
                                    )
                            )
                    )
            );
            code.addStatement(
                    new IfStatement(
                            new BooleanExpression(new BinaryExpression(
                                    new VariableExpression("ordinal"),
                                    lt,
                                    new ConstantExpression(0)
                            )),
                            ifStatement,
                            EmptyStatement.INSTANCE
                    )
            );
            code.addStatement(
                    new ReturnStatement(
                            new MethodCallExpression(new FieldExpression(values), "getAt", new VariableExpression("ordinal"))
                    )
            );
            nextMethod.setCode(code);
            enumClass.addMethod(nextMethod);
        }


        {
            // create valueOf
            Parameter stringParameter = new Parameter(ClassHelper.STRING_TYPE, "name");
            MethodNode valueOfMethod = new MethodNode("valueOf", PS, enumRef, new Parameter[]{stringParameter}, ClassNode.EMPTY_ARRAY, null);
            ArgumentListExpression callArguments = new ArgumentListExpression();
            callArguments.addExpression(new ClassExpression(enumClass));
            callArguments.addExpression(new VariableExpression("name"));


            BlockStatement code = new BlockStatement();
            code.addStatement(
                    new ReturnStatement(
                            new MethodCallExpression(new ClassExpression(ClassHelper.Enum_Type), "valueOf", callArguments)
                    )
            );
            valueOfMethod.setCode(code);
            valueOfMethod.setSynthetic(true);

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                new ArgumentListExpression(
                        new SpreadExpression(new VariableExpression("para"))
                )
        );
        BlockStatement code = new BlockStatement();
        code.addStatement(new ReturnStatement(cce));
        initMethod.setCode(code);
        enumClass.addMethod(initMethod);


        // static init
        List<FieldNode> fields = enumClass.getFields();

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        ClassNode cn = annotationNode.getClassNode();
        for (MethodNode method : cn.getMethods()) {
            if (method.getReturnType().equals(searchClass)) {
                addError("Circular reference discovered in " + cn.getName(), startExp);
            }
            ReturnStatement code = (ReturnStatement) method.getCode();
            if (code == null) continue;
            checkCircularReference(searchClass, method.getReturnType(), code.getExpression());
        }
    }

View Full Code Here

    }


    private void visitStatement(Statement statement, ClassNode returnType) {
        if (statement instanceof ReturnStatement) {
            // normal path
            ReturnStatement rs = (ReturnStatement) statement;
            rs.setExpression(transformConstantExpression(rs.getExpression(), returnType));
        } else if (statement instanceof ExpressionStatement) {
            // path for JavaStubGenerator
            ExpressionStatement es = (ExpressionStatement) statement;
            es.setExpression(transformConstantExpression(es.getExpression(), returnType));
        }

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                addError("Annotation members may not have parameters.", node.getParameters()[0]);
            }
            if (node.getExceptions().length > 0) {
                addError("Annotation members may not have a throws clause.", node.getExceptions()[0]);
            }
            ReturnStatement code = (ReturnStatement) node.getCode();
            if (code != null) {
                visitor.visitExpression(node.getName(), code.getExpression(), node.getReturnType());
                visitor.checkCircularReference(currentClass, node.getReturnType(), code.getExpression());
            }
            this.source.getErrorCollector().addCollectorContents(errorCollector);
        }
        Statement code = node.getCode();
        if (code != null) {
            code.visit(this);
        }


    }

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                Expression serialized = serialize(an);
                outer.add(serialized);
            }


            ArrayExpression ae = new ArrayExpression(ClassHelper.OBJECT_TYPE.makeArray(), outer);
            Statement code = new ReturnStatement(ae);
            cn.addMethod(   "value", ACC_PUBLIC+ACC_STATIC,
                            ClassHelper.OBJECT_TYPE.makeArray().makeArray(), 
                            Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY,
                            code);

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                    "call",
                    ACC_PUBLIC,
                    ClassHelper.OBJECT_TYPE,
                    parameters,
                    ClassNode.EMPTY_ARRAY,
                    new ReturnStatement(
                            new MethodCallExpression(
                                    VariableExpression.THIS_EXPRESSION,
                                    "doCall",
                                    new ArgumentListExpression(parameters))));
            call.setSourcePosition(expression);
        }


        // let's make the constructor
        BlockStatement block = new BlockStatement();
        // this block does not get a source position, because we don't
        // want this synthetic constructor to show up in corbertura reports
        VariableExpression outer = new VariableExpression("_outerInstance");
        outer.setSourcePosition(expression);
        block.getVariableScope().putReferencedLocalVariable(outer);
        VariableExpression thisObject = new VariableExpression("_thisObject");
        thisObject.setSourcePosition(expression);
        block.getVariableScope().putReferencedLocalVariable(thisObject);
        TupleExpression conArgs = new TupleExpression(outer, thisObject);
        block.addStatement(
                new ExpressionStatement(
                        new ConstructorCallExpression(
                                ClassNode.SUPER,
                                conArgs)));


        // let's assign all the parameter fields from the outer context
        for (Parameter param : localVariableParams) {
            String paramName = param.getName();
            ClassNode type = param.getType();
            if (true) {
                VariableExpression initialValue = new VariableExpression(paramName);
                initialValue.setAccessedVariable(param);
                initialValue.setUseReferenceDirectly(true);
                ClassNode realType = type;
                type = ClassHelper.makeReference();
                param.setType(ClassHelper.makeReference());
                FieldNode paramField = answer.addField(paramName, ACC_PRIVATE | ACC_SYNTHETIC, type, initialValue);
                paramField.setOriginType(ClassHelper.getWrapper(param.getOriginType()));
                paramField.setHolder(true);
                String methodName = Verifier.capitalize(paramName);


                // let's add a getter & setter
                Expression fieldExp = new FieldExpression(paramField);
                answer.addMethod(
                        "get" + methodName,
                        ACC_PUBLIC,
                        realType.getPlainNodeReference(),
                        Parameter.EMPTY_ARRAY,
                        ClassNode.EMPTY_ARRAY,
                        new ReturnStatement(fieldExp));
            }
        }


        Parameter[] params = new Parameter[2 + localVariableParams.length];
        params[0] = new Parameter(ClassHelper.OBJECT_TYPE, "_outerInstance");

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    private void setMethodDefaultValue(MethodNode mn, Method m) {
        Object defaultValue = m.getDefaultValue();
        ConstantExpression cExp = ConstantExpression.NULL;
        if (defaultValue!=null) cExp = new ConstantExpression(defaultValue);
        mn.setCode(new ReturnStatement(cExp));
        mn.setAnnotationDefault(true);
    }

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        if(!hasToString) {
            GStringExpression ge = new GStringExpression(classNode.getName() + " : ${id}");
            ge.addString(new ConstantExpression(classNode.getName()+" : "));
            ge.addValue(new VariableExpression("id"));
            Statement s = new ReturnStatement(ge);
            MethodNode mn = new MethodNode("toString",Modifier.PUBLIC,new ClassNode(String.class), new Parameter[0],new ClassNode[0],s);
            //if(LOG.isDebugEnabled()) {
            //    LOG.debug("[GrailsDomainInjector] Adding method [toString()] to class [" + classNode.getName() + "]");
            //}
            classNode.addMethod(mn);

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