Examples of GeneratorAdapter

clojure.asm.commons.GeneratorAdapter

A {@link clojure.asm.MethodVisitor} with convenient methods to generatecode. For example, using this adapter, the class below

 public class Example { public static void main(String[] args) { System.out.println("Hello world!"); } }

can be generated as follows:

 ClassWriter cw = new ClassWriter(true); cw.visit(V1_1, ACC_PUBLIC, "Example", null, "java/lang/Object", null); Method m = Method.getMethod("void <init> ()"); GeneratorAdapter mg = new GeneratorAdapter(ACC_PUBLIC, m, null, null, cw); mg.loadThis(); mg.invokeConstructor(Type.getType(Object.class), m); mg.returnValue(); mg.endMethod(); m = Method.getMethod("void main (String[])"); mg = new GeneratorAdapter(ACC_PUBLIC + ACC_STATIC, m, null, null, cw); mg.getStatic(Type.getType(System.class), "out", Type.getType(PrintStream.class)); mg.push("Hello world!"); mg.invokeVirtual(Type.getType(PrintStream.class), Method.getMethod("void println (String)")); mg.returnValue(); mg.endMethod(); cw.visitEnd();

@author Juozas Baliuka @author Chris Nokleberg @author Eric Bruneton @author Prashant Deva

jdk.internal.org.objectweb.asm.commons.GeneratorAdapter

A {@link jdk.internal.org.objectweb.asm.MethodVisitor} with convenient methods to generatecode. For example, using this adapter, the class below

 public class Example { public static void main(String[] args) { System.out.println("Hello world!"); } }

can be generated as follows:

 ClassWriter cw = new ClassWriter(true); cw.visit(V1_1, ACC_PUBLIC, "Example", null, "java/lang/Object", null); Method m = Method.getMethod("void <init> ()"); GeneratorAdapter mg = new GeneratorAdapter(ACC_PUBLIC, m, null, null, cw); mg.loadThis(); mg.invokeConstructor(Type.getType(Object.class), m); mg.returnValue(); mg.endMethod(); m = Method.getMethod("void main (String[])"); mg = new GeneratorAdapter(ACC_PUBLIC + ACC_STATIC, m, null, null, cw); mg.getStatic(Type.getType(System.class), "out", Type.getType(PrintStream.class)); mg.push("Hello world!"); mg.invokeVirtual(Type.getType(PrintStream.class), Method.getMethod("void println (String)")); mg.returnValue(); mg.endMethod(); cw.visitEnd();

@author Juozas Baliuka @author Chris Nokleberg @author Eric Bruneton @author Prashant Deva

org.objectweb.asm.commons.GeneratorAdapter

A {@link org.objectweb.asm.MethodVisitor} with convenient methods to generatecode. For example, using this adapter, the class below

 public class Example { public static void main(String[] args) { System.out.println("Hello world!"); } }

can be generated as follows:

 ClassWriter cw = new ClassWriter(true); cw.visit(V1_1, ACC_PUBLIC, "Example", null, "java/lang/Object", null); Method m = Method.getMethod("void <init> ()"); GeneratorAdapter mg = new GeneratorAdapter(ACC_PUBLIC, m, null, null, cw); mg.loadThis(); mg.invokeConstructor(Type.getType(Object.class), m); mg.returnValue(); mg.endMethod(); m = Method.getMethod("void main (String[])"); mg = new GeneratorAdapter(ACC_PUBLIC + ACC_STATIC, m, null, null, cw); mg.getStatic(Type.getType(System.class), "out", Type.getType(PrintStream.class)); mg.push("Hello world!"); mg.invokeVirtual(Type.getType(PrintStream.class), Method.getMethod("void println (String)")); mg.returnValue(); mg.endMethod(); cw.visitEnd();

@author Juozas Baliuka @author Chris Nokleberg @author Eric Bruneton @author Prashant Deva

org.ow2.asm.commons.GeneratorAdapter

A {@link org.ow2.asm.MethodAdapter} with convenient methods to generatecode. For example, using this adapter, the class below

 public class Example { public static void main(String[] args) { System.out.println("Hello world!"); } }

can be generated as follows:

 ClassWriter cw = new ClassWriter(true); cw.visit(V1_1, ACC_PUBLIC, "Example", null, "java/lang/Object", null); Method m = Method.getMethod("void <init> ()"); GeneratorAdapter mg = new GeneratorAdapter(ACC_PUBLIC, m, null, null, cw); mg.loadThis(); mg.invokeConstructor(Type.getType(Object.class), m); mg.returnValue(); mg.endMethod(); m = Method.getMethod("void main (String[])"); mg = new GeneratorAdapter(ACC_PUBLIC + ACC_STATIC, m, null, null, cw); mg.getStatic(Type.getType(System.class), "out", Type.getType(PrintStream.class)); mg.push("Hello world!"); mg.invokeVirtual(Type.getType(PrintStream.class), Method.getMethod("void println (String)")); mg.returnValue(); mg.endMethod(); cw.visitEnd();

@author Juozas Baliuka @author Chris Nokleberg @author Eric Bruneton @author Prashant Deva

org.skyscreamer.yoga.view.json.GeneratorAdapter
User: nk Date: 12/17/13

Examples of org.objectweb.asm.commons.GeneratorAdapter

        method().invokeVirtual(Type.getType(Object.class), Method.getMethod("Object " + call.getMethodAddr() + " ()"));
    }


    public void emitDEF_INST_METH(DefineInstanceMethodInstr instr) {
        IRMethod irMethod = instr.method;
        GeneratorAdapter adapter = new GeneratorAdapter(ACC_PUBLIC, Method.getMethod("void " + irMethod.getName() + " ()"), null, null, cls());
        adapter.loadThis();
        adapter.loadArgs();
        adapter.invokeStatic(Type.getType(Object.class), Method.getMethod("Object __ruby__" + irMethod.getName() + " (Object)"));
        adapter.returnValue();
        adapter.endMethod();
    }

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        adapter.endMethod();
    }


    public void emitDEF_CLS_METH(DefineClassMethodInstr instr) {
        IRMethod irMethod = instr.method;
        GeneratorAdapter adapter = new GeneratorAdapter(ACC_PUBLIC | ACC_STATIC, Method.getMethod("void " + irMethod.getName() + " ()"), null, null, cls());
        adapter.returnValue();
        adapter.endMethod();
    }

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        method().invokeVirtual(Type.getType(Object.class), Method.getMethod("Object " + call.getMethodAddr() + " ()"));
    }


    public void emitDEF_INST_METH(DefineInstanceMethodInstr instr) {
        IRMethod irMethod = instr.method;
        GeneratorAdapter adapter = new GeneratorAdapter(ACC_PUBLIC, Method.getMethod("void " + irMethod.getName() + " ()"), null, null, cls());
        adapter.loadThis();
        adapter.loadArgs();
        adapter.invokeStatic(Type.getType(Object.class), Method.getMethod("Object __ruby__" + irMethod.getName() + " (Object)"));
        adapter.returnValue();
        adapter.endMethod();
    }

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        adapter.endMethod();
    }


    public void emitDEF_CLS_METH(DefineClassMethodInstr instr) {
        IRMethod irMethod = instr.method;
        GeneratorAdapter adapter = new GeneratorAdapter(ACC_PUBLIC | ACC_STATIC, Method.getMethod("void " + irMethod.getName() + " ()"), null, null, cls());
        adapter.returnValue();
        adapter.endMethod();
    }

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        public MethodData methodData() {
            return methodStack.peek();
        }


        public void pushmethod(String name) {
            methodStack.push(new MethodData(new GeneratorAdapter(
                    ACC_PUBLIC | ACC_STATIC,
                    Method.getMethod("org.jruby.runtime.builtin.IRubyObject " + name + " (org.jruby.runtime.ThreadContext, org.jruby.runtime.builtin.IRubyObject)"),
                    null,
                    null,
                    cls)));

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        public MethodData methodData() {
            return methodStack.peek();
        }


        public void pushmethod(String name) {
            methodStack.push(new MethodData(new GeneratorAdapter(
                    ACC_PUBLIC | ACC_STATIC,
                    Method.getMethod("org.jruby.runtime.builtin.IRubyObject " + name + " (org.jruby.runtime.ThreadContext, org.jruby.runtime.builtin.IRubyObject)"),
                    null,
                    null,
                    cls)));

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Examples of org.objectweb.asm.commons.GeneratorAdapter

            final String targetClassName, final Class superClass,
            final Class[] interfaces, final Map methods, final Type selfType) {
        ClassWriter cw = beginProxyClass(targetClassName, superClass,
                interfaces);


        GeneratorAdapter clazzInit = createClassInitializer(selfType, cw);


        generateConstructors(superClass, selfType, cw);


        generateGetProxyClass(selfType, cw);


        generateGetInvocationHandler(selfType, cw);


        generateProxyMethods(superClass, methods, selfType, cw, clazzInit);


        // finish class initializer
        clazzInit.returnValue();
        clazzInit.endMethod();


        // end class
        cw.visitEnd();


        byte[] data = cw.toByteArray();

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Examples of org.objectweb.asm.commons.GeneratorAdapter

    }


    private static void generateGetInvocationHandler(Type selfType,
            ClassVisitor cw) {
        // make getter for handler
        GeneratorAdapter gh = new GeneratorAdapter(Opcodes.ACC_PUBLIC,
                new org.objectweb.asm.commons.Method("___getInvocationHandler",
                        INVOCATION_HANDLER_TYPE, EMPTY_TYPE_ARR), null,
                EMPTY_TYPE_ARR, cw);


        gh.loadThis();
        gh.getField(selfType, INVOCATION_HANDLER_FIELD_NAME,
                INVOCATION_HANDLER_TYPE);
        gh.returnValue();
        gh.endMethod();
    }

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        gh.endMethod();
    }


    private static void generateGetProxyClass(Type selfType, ClassVisitor cw) {
        // make getter for proxy class
        GeneratorAdapter gpc = new GeneratorAdapter(Opcodes.ACC_PUBLIC,
                new org.objectweb.asm.commons.Method("___getProxyClass",
                        PROXY_CLASS_TYPE, EMPTY_TYPE_ARR), null,
                EMPTY_TYPE_ARR, cw);
        gpc.getStatic(selfType, PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE);
        gpc.returnValue();
        gpc.endMethod();
    }

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Examples of org.objectweb.asm.commons.GeneratorAdapter

        }
    }


    private static GeneratorAdapter createClassInitializer(Type selfType,
            ClassVisitor cw) {
        GeneratorAdapter clazzInit;
        clazzInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE
                | Opcodes.ACC_STATIC, new org.objectweb.asm.commons.Method(
                "<clinit>", Type.VOID_TYPE, EMPTY_TYPE_ARR), null,
                EMPTY_TYPE_ARR, cw);


        clazzInit.visitLdcInsn(selfType.getClassName());
        clazzInit.invokeStatic(JAVA_LANG_CLASS_TYPE, CLASS_FORNAME_METHOD);
        clazzInit
                .invokeStatic(PROXY_HELPER_TYPE, HELPER_GET_PROXY_CLASS_METHOD);
        clazzInit.dup();
        clazzInit.putStatic(selfType, PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE);
        return clazzInit;
    }

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