Examples of org.mvel2.asm.MethodVisitor.visitVarInsn()

org.mvel2.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.

        mv.visitVarInsn( ALOAD, 1 );
        Label l1 = new Label();
        mv.visitJumpInsn( IFNULL, l1 );
        mv.visitVarInsn( ALOAD, 0 );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "getClass", "()" + Type.getDescriptor( Class.class ) );
        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "getClass", "()" + Type.getDescriptor( Class.class ) );
        Label l2 = new Label();
        mv.visitJumpInsn( IF_ACMPEQ, l2 );
        mv.visitLabel( l1 );
        mv.visitInsn( ICONST_0 );

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        mv.visitInsn( ICONST_0 );
        mv.visitInsn( IRETURN );
        mv.visitLabel( l2 );




        mv.visitVarInsn( ALOAD, 1 );
        mv.visitTypeInsn( CHECKCAST, proxyType );
        mv.visitVarInsn( ASTORE, 2 );


        int x = 2;

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        mv.visitLabel( l2 );




        mv.visitVarInsn( ALOAD, 1 );
        mv.visitTypeInsn( CHECKCAST, proxyType );
        mv.visitVarInsn( ASTORE, 2 );


        int x = 2;


        int count = 0;

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                count++;




                if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {


                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    Label l11 = new Label();
                    mv.visitJumpInsn( IFNULL, l11 );
                    mv.visitVarInsn( ALOAD, 0 );

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                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    Label l11 = new Label();
                    mv.visitJumpInsn( IFNULL, l11 );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );

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                    Label l11 = new Label();
                    mv.visitJumpInsn( IFNULL, l11 );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( field.getTypeName() ), "equals", 
                                        "(" + Type.getDescriptor( Object.class ) + ")Z" );
                    Label l12 = new Label();

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                    Label l12 = new Label();
                    mv.visitJumpInsn( IFNE, l12 );
                    Label l13 = new Label();
                    mv.visitJumpInsn( GOTO, l13 );
                    mv.visitLabel( l11 );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitJumpInsn( IFNULL, l12 );
                    mv.visitLabel( l13 );
                    mv.visitInsn( ICONST_0 );

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                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l12 );


                } else if ( "double".equals( field.getTypeName() ) ) {


                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );

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                } else if ( "double".equals( field.getTypeName() ) ) {


                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Double.class ), "compare", "(DD)I" );
                    Label l5 = new Label();
                    mv.visitJumpInsn( IFEQ, l5 );

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                    x = Math.max( x, 4 );


                } else if ( "float".equals( field.getTypeName() ) ) {


                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                        "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );

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