Examples of org.objectweb.asm.MethodVisitor.visitIntInsn()

org.objectweb.asm.MethodVisitor.visitIntInsn()
Visits an instruction with a single int operand. @param opcode the opcode of the instruction to be visited. This opcode iseither BIPUSH, SIPUSH or NEWARRAY. @param operand the operand of the instruction to be visited.
When opcode is BIPUSH, operand value should be between Byte.MIN_VALUE and Byte.MAX_VALUE.
When opcode is SIPUSH, operand value should be between Short.MIN_VALUE and Short.MAX_VALUE.
When opcode is NEWARRAY, operand value should be one of {@link Opcodes#T_BOOLEAN}, {@link Opcodes#T_CHAR}, {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE}, {@link Opcodes#T_BYTE}, {@link Opcodes#T_SHORT}, {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.

        int size = stack.size();
        MethodVisitor mv = controller.getMethodVisitor();
        if (mark==size) {
            // no element, so use emptyDefault
            if (emptyDefault) {
                mv.visitIntInsn(BIPUSH, 1);
            } else {
                mv.visitIntInsn(BIPUSH, 0);
            }
            stack.add(null);
        } else if (mark==stack.size()-1) {

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        if (mark==size) {
            // no element, so use emptyDefault
            if (emptyDefault) {
                mv.visitIntInsn(BIPUSH, 1);
            } else {
                mv.visitIntInsn(BIPUSH, 0);
            }
            stack.add(null);
        } else if (mark==stack.size()-1) {
            ClassNode last =  stack.get(size-1);
            // nothing to do in that case

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        mv.visitMethodInsn(INVOKEINTERFACE, "java/util/Map", "get", "(Ljava/lang/Object;)Ljava/lang/Object;", true);
        arrayStore++;
        mv.visitVarInsn(ASTORE, arrayStore);
        // if null, test if wildcard exists
        Label notNull = new Label();
        mv.visitIntInsn(ALOAD, arrayStore);
        mv.visitJumpInsn(IFNONNULL, notNull);
        mv.visitVarInsn(ALOAD, 0); // load this
        mv.visitFieldInsn(GETFIELD, proxyName, CLOSURES_MAP_FIELD, "Ljava/util/Map;"); // load closure map
        mv.visitLdcInsn("*"); // load wildcard
        mv.visitMethodInsn(INVOKEINTERFACE, "java/util/Map", "get", "(Ljava/lang/Object;)Ljava/lang/Object;", true);

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        // getProperty
        {
            mv = super.visitMethod(ACC_PUBLIC, "getProperty", "(Ljava/lang/String;)Ljava/lang/Object;", null, null);
            mv.visitCode();
            mv.visitIntInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEINTERFACE, "groovy/lang/GroovyObject", "getMetaClass", "()Lgroovy/lang/MetaClass;", true);
            mv.visitIntInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEINTERFACE, "groovy/lang/MetaClass", "getProperty", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", true);
            mv.visitInsn(ARETURN);

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        {
            mv = super.visitMethod(ACC_PUBLIC, "getProperty", "(Ljava/lang/String;)Ljava/lang/Object;", null, null);
            mv.visitCode();
            mv.visitIntInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEINTERFACE, "groovy/lang/GroovyObject", "getMetaClass", "()Lgroovy/lang/MetaClass;", true);
            mv.visitIntInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEINTERFACE, "groovy/lang/MetaClass", "getProperty", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", true);
            mv.visitInsn(ARETURN);
            mv.visitMaxs(3, 2);
            mv.visitEnd();

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    }


    private MethodVisitor createGetProxyTargetMethod(final int access, final String name, final String desc, final String signature, final String[] exceptions) {
        MethodVisitor mv = super.visitMethod(ACC_PUBLIC | ACC_FINAL, name, desc, signature, exceptions);
        mv.visitCode();
        mv.visitIntInsn(ALOAD,0);
        mv.visitFieldInsn(GETFIELD, proxyName, DELEGATE_OBJECT_FIELD, BytecodeHelper.getTypeDescription(delegateClass));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(1,1);
        mv.visitEnd();
        return null;

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        }
        mv.visitVarInsn(ALOAD, 0);
        int idx = 1;
        for (Type arg : args) {
            if (isPrimitive(arg)) {
                mv.visitIntInsn(getLoadInsn(arg), idx);
            } else {
                mv.visitVarInsn(ALOAD, idx); // load argument i
            }
            idx += registerLen(arg);
        }

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            Type arg = args[i];
            mv.visitInsn(DUP);
            BytecodeHelper.pushConstant(mv, i);
            // primitive types must be boxed
            if (isPrimitive(arg)) {
                mv.visitIntInsn(getLoadInsn(arg), idx);
                String wrappedType = getWrappedClassDescriptor(arg);
                mv.visitMethodInsn(INVOKESTATIC, wrappedType, "valueOf", "(" + arg.getDescriptor() + ")L" + wrappedType + ";", false);
            } else {
                mv.visitVarInsn(ALOAD, idx); // load argument i
            }

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            mv.visitInsn(DUP); // stack size = 2
            BytecodeHelper.pushConstant(mv, i); // array index, stack size = 3
            stackSize = 3;
            // primitive types must be boxed
            if (isPrimitive(arg)) {
                mv.visitIntInsn(getLoadInsn(arg), idx);
                String wrappedType = getWrappedClassDescriptor(arg);
                mv.visitMethodInsn(INVOKESTATIC, wrappedType, "valueOf", "(" + arg.getDescriptor() + ")L" + wrappedType + ";", false);
            } else {
                mv.visitVarInsn(ALOAD, idx); // load argument i
            }

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              String methodName = methodNames[i];
              Class[] paramTypes = parameterTypes[i];
              Class returnType = returnTypes[i];
              for (int paramIndex = 0; paramIndex < paramTypes.length; paramIndex++) {
                mv.visitVarInsn(ALOAD, 3);
                mv.visitIntInsn(BIPUSH, paramIndex);
                mv.visitInsn(AALOAD);
                Type paramType = Type.getType(paramTypes[paramIndex]);
                switch (paramType.getSort()) {
                case Type.BOOLEAN:
                  mv.visitTypeInsn(CHECKCAST, "java/lang/Boolean");

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