Examples of org.springframework.asm.MethodVisitor.visitVarInsn()

Class org.springframework.asm.MethodVisitor

Examples of org.springframework.asm.MethodVisitor.visitVarInsn()

org.springframework.asm.MethodVisitor.visitVarInsn()
Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable. @param opcode the opcode of the local variable instruction to be visited. This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. @param var the operand of the instruction to be visited. This operand is the index of a local variable.

    cw.visit(V1_5, ACC_PUBLIC, clazzName, null, "org/springframework/expression/spel/CompiledExpression", null);


    // Create default constructor
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, "org/springframework/expression/spel/CompiledExpression",
        "<init>", "()V", false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

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    mv.visitEnd();


    // plus original method signature
    mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, NEW_INSTANCE, NEW_INSTANCE_DESC, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKEVIRTUAL, className, NEW_INSTANCE, customTypeNoArgDesc);
    mv.visitInsn(ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

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        Type.getType(Class.class), Type.INT_TYPE });


    // default constructor
    mv = cw.visitMethod(ACC_PUBLIC, INIT, voidNoArgMethodDescriptor, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETSTATIC, className, CLASS_FIELD_NAME, CLASS_DESCRIPTOR);
    mv.visitFieldInsn(GETSTATIC, className, ID_FIELD_NAME, Type.INT_TYPE.getDescriptor());
    mv.visitMethodInsn(INVOKESPECIAL, className, INIT, voidArgClassAndIntDescriptor);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 1);

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    mv.visitEnd();


    // two-arg constructor
    mv = cw.visitMethod(ACC_PUBLIC, INIT, voidArgClassAndIntDescriptor, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitVarInsn(ILOAD, 2);
    mv.visitMethodInsn(INVOKESPECIAL, INSTANTIATOR_NAME, INIT, voidArgClassAndIntDescriptor);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 3);

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    // two-arg constructor
    mv = cw.visitMethod(ACC_PUBLIC, INIT, voidArgClassAndIntDescriptor, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitVarInsn(ILOAD, 2);
    mv.visitMethodInsn(INVOKESPECIAL, INSTANTIATOR_NAME, INIT, voidArgClassAndIntDescriptor);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 3);
    mv.visitEnd();

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    // two-arg constructor
    mv = cw.visitMethod(ACC_PUBLIC, INIT, voidArgClassAndIntDescriptor, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitVarInsn(ILOAD, 2);
    mv.visitMethodInsn(INVOKESPECIAL, INSTANTIATOR_NAME, INIT, voidArgClassAndIntDescriptor);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 3);
    mv.visitEnd();

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