Package org.codehaus.groovy.ast.stmt

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

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        classNode.addConstructor(new ConstructorNode(ACC_PUBLIC, null));
        classNode.addProperty(new PropertyNode("bar", ACC_PUBLIC, ClassHelper.STRING_TYPE, classNode, null, null, null));

        Statement loopStatement = createPrintlnStatement(new VariableExpression("i"));

        BlockStatement block = new BlockStatement();
        block.addStatement(new ExpressionStatement(new DeclarationExpression(new VariableExpression("list"), Token.newSymbol("=", 0, 0), listExpression)));
        block.addStatement(new ForStatement(new Parameter(ClassHelper.DYNAMIC_TYPE, "i"), new VariableExpression("list"), loopStatement));
        classNode.addMethod(new MethodNode(methodName, ACC_PUBLIC, ClassHelper.VOID_TYPE, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, block));

        Class fooClass = loadClass(classNode);
        assertTrue("Loaded a new class", fooClass != null);
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        addSetter(fNode, fNode.getType().getComponentType());
    }

    private void addGetter(FieldNode fNode, ClassNode componentType) {
        ClassNode cNode = fNode.getDeclaringClass();
        BlockStatement body = new BlockStatement();
        Parameter[] params = new Parameter[1];
        params[0] = new Parameter(ClassHelper.int_TYPE, "index");
        body.addStatement(new ExpressionStatement(
                new BinaryExpression(
                        new VariableExpression(fNode.getName()),
                        INDEX,
                        new VariableExpression(params[0]))
        ));
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        cNode.addMethod(makeName(fNode, "get"), getModifiers(fNode), componentType, params, null, body);
    }

    private void addSetter(FieldNode fNode, ClassNode componentType) {
        ClassNode cNode = fNode.getDeclaringClass();
        BlockStatement body = new BlockStatement();
        Parameter[] params = new Parameter[2];
        params[0] = new Parameter(ClassHelper.int_TYPE, "index");
        params[1] = new Parameter(componentType, "value");
        body.addStatement(new ExpressionStatement(
                new BinaryExpression(
                        new BinaryExpression(
                                new VariableExpression(fNode.getName()),
                                INDEX,
                                new VariableExpression(params[0])),
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                                new VariableExpression("args"))))));

        classNode.addMethod(
            new MethodNode("run", ACC_PUBLIC, ClassHelper.OBJECT_TYPE, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, statementBlock));

        classNode.addConstructor(ACC_PUBLIC, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, new BlockStatement());
        Statement stmt = new ExpressionStatement(
                        new MethodCallExpression(
                            new VariableExpression("super"),
                            "setBinding",
                            new ArgumentListExpression(
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                            new Parameter(p.getType(), p.getName(), p.getInitialExpression()) :
                            new Parameter(p.getType(), p.getName());
                    args.add(new VariableExpression(p.getName(), p.getType()));
                }
                if (isClashing(cNode, pcopy)) continue;
                BlockStatement body = new BlockStatement();
                body.addStatement(new ExpressionStatement(new ConstructorCallExpression(ClassNode.SUPER, new ArgumentListExpression(args))));
                cNode.addConstructor(cn.getModifiers(), pcopy, cn.getExceptions(), body);
            }
        }
    }
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                parameters,
                ClassNode.EMPTY_ARRAY,
                null
        );

        BlockStatement block = new BlockStatement();
        if (isStatic) {
            setMethodDispatcherCode(block, new ClassExpression(node.getOuterClass()), parameters);
        } else {
            block.addStatement(
                    new BytecodeSequence(new BytecodeInstruction() {
                        public void visit(MethodVisitor mv) {
                            mv.visitVarInsn(ALOAD, 0);
                            mv.visitFieldInsn(GETFIELD, classInternalName, "this$0", outerClassDescriptor);
                            mv.visitVarInsn(ALOAD, 1);
                            mv.visitVarInsn(ALOAD, 2);
                            mv.visitMethodInsn(INVOKEVIRTUAL,
                                    outerClassInternalName,
                                    "this$dist$invoke$" + objectDistance,
                                    "(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;");
                            mv.visitInsn(ARETURN);
                        }
                    })
            );
        }
        method.setCode(block);

        // add property getter dispatcher
        parameters = new Parameter[]{
                new Parameter(ClassHelper.STRING_TYPE, "name"),
                new Parameter(ClassHelper.OBJECT_TYPE, "val")
        };
        method = node.addSyntheticMethod(
                "propertyMissing",
                Opcodes.ACC_PUBLIC,
                ClassHelper.VOID_TYPE,
                parameters,
                ClassNode.EMPTY_ARRAY,
                null
        );

        block = new BlockStatement();
        if (isStatic) {
            setPropertySetterDispatcher(block, new ClassExpression(node.getOuterClass()), parameters);
        } else {
            block.addStatement(
                    new BytecodeSequence(new BytecodeInstruction() {
                        public void visit(MethodVisitor mv) {
                            mv.visitVarInsn(ALOAD, 0);
                            mv.visitFieldInsn(GETFIELD, classInternalName, "this$0", outerClassDescriptor);
                            mv.visitVarInsn(ALOAD, 1);
                            mv.visitVarInsn(ALOAD, 2);
                            mv.visitMethodInsn(INVOKEVIRTUAL,
                                    outerClassInternalName,
                                    "this$dist$set$" + objectDistance,
                                    "(Ljava/lang/String;Ljava/lang/Object;)V");
                            mv.visitInsn(RETURN);
                        }
                    })
            );
        }
        method.setCode(block);

        // add property setter dispatcher
        parameters = new Parameter[]{
                new Parameter(ClassHelper.STRING_TYPE, "name")
        };
        method = node.addSyntheticMethod(
                "propertyMissing",
                Opcodes.ACC_PUBLIC,
                ClassHelper.OBJECT_TYPE,
                parameters,
                ClassNode.EMPTY_ARRAY,
                null
        );

        block = new BlockStatement();
        if (isStatic) {
            setPropertyGetterDispatcher(block, new ClassExpression(node.getOuterClass()), parameters);
        } else {
            block.addStatement(
                    new BytecodeSequence(new BytecodeInstruction() {
                        public void visit(MethodVisitor mv) {
                            mv.visitVarInsn(ALOAD, 0);
                            mv.visitFieldInsn(GETFIELD, classInternalName, "this$0", outerClassDescriptor);
                            mv.visitVarInsn(ALOAD, 1);
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    private MethodNode getOrAddStaticConstructorNode() {
        MethodNode method = null;
        List declaredMethods = getDeclaredMethods("<clinit>");
        if (declaredMethods.isEmpty()) {
            method =
                    addMethod("<clinit>", ACC_STATIC, ClassHelper.VOID_TYPE, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, new BlockStatement());
            method.setSynthetic(true);
        }
        else {
            method = (MethodNode) declaredMethods.get(0);
        }
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        return method;
    }
   
    public void addStaticInitializerStatements(List<Statement> staticStatements, boolean fieldInit) {
        MethodNode method = getOrAddStaticConstructorNode();
        BlockStatement block = null;
        Statement statement = method.getCode();
        if (statement == null) {
            block = new BlockStatement();
        }
        else if (statement instanceof BlockStatement) {
            block = (BlockStatement) statement;
        }
        else {
            block = new BlockStatement();
            block.addStatement(statement);
        }

        // while anything inside a static initializer block is appended
        // we don't want to append in the case we have a initialization
        // expression of a static field. In that case we want to add
        // before the other statements
        if (!fieldInit) {
            block.addStatements(staticStatements);
        } else {
            List<Statement> blockStatements = block.getStatements();
            staticStatements.addAll(blockStatements);
            blockStatements.clear();
            blockStatements.addAll(staticStatements);
        }
    }
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    public void positionStmtsAfterEnumInitStmts(List<Statement> staticFieldStatements) {
        MethodNode method = getOrAddStaticConstructorNode();
        Statement statement = method.getCode();
        if (statement instanceof BlockStatement) {
            BlockStatement block = (BlockStatement) statement;
            // add given statements for explicitly declared static fields just after enum-special fields
            // are found - the $VALUES binary expression marks the end of such fields.
            List<Statement> blockStatements = block.getStatements();
            ListIterator<Statement> litr = blockStatements.listIterator();
            while (litr.hasNext()) {
                Statement stmt = litr.next();
                if (stmt instanceof ExpressionStatement &&
                        ((ExpressionStatement) stmt).getExpression() instanceof BinaryExpression) {
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                            checkBlock(context, parent, parentParent, expression);
                            ClosureExpression closureExpression =
                                    (ClosureExpression)expressions.get(0);
                            Statement block = closureExpression.getCode();
                            if (block instanceof BlockStatement) {
                                BlockStatement bs = (BlockStatement)block;
                                for (Statement statement : bs.getStatements()) {
                                    if (statement instanceof ExpressionStatement) {
                                        ExpressionStatement e = (ExpressionStatement)statement;
                                        if (e.getExpression() instanceof MethodCallExpression) {
                                            checkDslProperty(parent,
                                                    (MethodCallExpression)e.getExpression(),
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