Package org.codehaus.groovy.ast.stmt

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

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                return true;
            }

            Statement statement = statements.get(0);
            if (statement instanceof ReturnStatement) {
                ReturnStatement returnStatement = (ReturnStatement) statement;
                if (returnStatement.getExpression() instanceof ConstantExpression) {
                    ConstantExpression constantExpression = (ConstantExpression) returnStatement.getExpression();
                    if (constantExpression.getValue() == null) {
                        return true;
                    }
                }
            }
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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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                        "getPropertyChangeListeners",
                        ACC_PUBLIC | ACC_SYNTHETIC,
                        pclClassNode.makeArray(),
                        Parameter.EMPTY_ARRAY,
                        ClassNode.EMPTY_ARRAY,
                        new ReturnStatement(
                                new ExpressionStatement(
                                        new MethodCallExpression(
                                                new FieldExpression(pcsField),
                                                "getPropertyChangeListeners",
                                                ArgumentListExpression.EMPTY_ARGUMENTS)))));

        // add method:
        // PropertyChangeListener[] getPropertyChangeListeners(String name) {
        //   return this$propertyChangeSupport.getPropertyChangeListeners(name)
        // }
        declaringClass.addMethod(
                new MethodNode(
                        "getPropertyChangeListeners",
                        ACC_PUBLIC | ACC_SYNTHETIC,
                        pclClassNode.makeArray(),
                        new Parameter[]{new Parameter(ClassHelper.STRING_TYPE, "name")},
                        ClassNode.EMPTY_ARRAY,
                        new ReturnStatement(
                                new ExpressionStatement(
                                        new MethodCallExpression(
                                                new FieldExpression(pcsField),
                                                "getPropertyChangeListeners",
                                                new ArgumentListExpression(
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                        "getVetoableChangeListeners",
                        ACC_PUBLIC | ACC_SYNTHETIC,
                        vclClassNode.makeArray(),
                        Parameter.EMPTY_ARRAY,
                        ClassNode.EMPTY_ARRAY,
                        new ReturnStatement(
                                new ExpressionStatement(
                                        new MethodCallExpression(
                                                new FieldExpression(vcsField),
                                                "getVetoableChangeListeners",
                                                ArgumentListExpression.EMPTY_ARGUMENTS)))));

        // add method:
        // VetoableChangeListener[] getVetoableChangeListeners(String name) {
        //   return this$vetoableChangeSupport.getVetoableChangeListeners(name)
        // }
        declaringClass.addMethod(
                new MethodNode(
                        "getVetoableChangeListeners",
                        ACC_PUBLIC | ACC_SYNTHETIC,
                        vclClassNode.makeArray(),
                        new Parameter[]{new Parameter(ClassHelper.STRING_TYPE, "name")},
                        ClassNode.EMPTY_ARRAY,
                        new ReturnStatement(
                                new ExpressionStatement(
                                        new MethodCallExpression(
                                                new FieldExpression(vcsField),
                                                "getVetoableChangeListeners",
                                                new ArgumentListExpression(
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            methodBlockStatement.addStatement(mergedOldVariablesStatement);
        }

        methodBlockStatement.addStatement(new ReturnStatement(mergedOldVariables != null ? mergedOldVariables : oldVariable));

        final MethodNode preconditionMethodNode = classNode.addMethod(OLD_VARIABLES_METHOD, Opcodes.ACC_PROTECTED, new ClassNode(Map.class), Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, methodBlockStatement);
        preconditionMethodNode.setSynthetic(true);

    }
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            body.addStatement(new IfStatement(
                    isZeroExpr(hash),
                    calculateHashStatements(cNode, hash, includeFields, callSuper, excludes, includes),
                    new EmptyStatement()
            ));
            body.addStatement(new ReturnStatement(hash));
        } else {
            body.addStatement(calculateHashStatements(cNode, null, includeFields, callSuper, excludes, includes));
        }

        cNode.addMethod(new MethodNode(hasExistingHashCode ? "_hashCode" : "hashCode", hasExistingHashCode ? ACC_PRIVATE : ACC_PUBLIC,
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        }
        // $hash$code = _result
        if (hash != null) {
            body.addStatement(assignStatement(hash, result));
        } else {
            body.addStatement(new ReturnStatement(result));
        }
        return body;
    }
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        boolean hasExistingCanEqual = hasDeclaredMethod(cNode, "canEqual", 1);
        if (hasExistingCanEqual && hasDeclaredMethod(cNode, "_canEqual", 1)) return;

        final BlockStatement body = new BlockStatement();
        VariableExpression other = new VariableExpression("other");
        body.addStatement(new ReturnStatement(isInstanceof(cNode, other)));
        Parameter[] params = {new Parameter(OBJECT_TYPE, other.getName())};
        cNode.addMethod(new MethodNode(hasExistingCanEqual ? "_canEqual" : "canEqual", hasExistingCanEqual ? ACC_PRIVATE : ACC_PUBLIC,
                ClassHelper.boolean_TYPE, params, ClassNode.EMPTY_ARRAY, body));

    }
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        if (useCanEqual) {
            body.addStatement(returnFalseIfNotInstanceof(cNode, other));
            body.addStatement(new IfStatement(
                    new BooleanExpression(new MethodCallExpression(other, "canEqual", VariableExpression.THIS_EXPRESSION)),
                    new EmptyStatement(),
                    new ReturnStatement(ConstantExpression.FALSE)
            ));
        } else {
            body.addStatement(returnFalseIfWrongType(cNode, other));
        }
//        body.addStatement(new ExpressionStatement(new BinaryExpression(other, ASSIGN, new CastExpression(cNode, other))));

        List<PropertyNode> pList = getInstanceProperties(cNode);
        for (PropertyNode pNode : pList) {
            if (shouldSkip(pNode.getName(), excludes, includes)) continue;
            body.addStatement(returnFalseIfPropertyNotEqual(pNode, other));
        }
        List<FieldNode> fList = new ArrayList<FieldNode>();
        if (includeFields) {
            fList.addAll(getInstanceNonPropertyFields(cNode));
        }
        for (FieldNode fNode : fList) {
            if (shouldSkip(fNode.getName(), excludes, includes)) continue;
            body.addStatement(returnFalseIfFieldNotEqual(fNode, other));
        }
        if (callSuper) {
            body.addStatement(new IfStatement(
                    isTrueExpr(new MethodCallExpression(VariableExpression.SUPER_EXPRESSION, "equals", other)),
                    new EmptyStatement(),
                    new ReturnStatement(ConstantExpression.FALSE)
            ));
        }

        // default
        body.addStatement(new ReturnStatement(ConstantExpression.TRUE));

        Parameter[] params = {new Parameter(OBJECT_TYPE, other.getName())};
        cNode.addMethod(new MethodNode(hasExistingEquals ? "_equals" : "equals", hasExistingEquals ? ACC_PRIVATE : ACC_PUBLIC,
                ClassHelper.boolean_TYPE, params, ClassNode.EMPTY_ARRAY, body));
    }
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    }

    public static Statement returnFalseIfWrongType(ClassNode cNode, Expression other) {
        return new IfStatement(
                notEqualClasses(cNode, other),
                new ReturnStatement(ConstantExpression.FALSE),
                new EmptyStatement()
        );
    }
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