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.


                    x = Math.max( x, 4 );


                } else {


                    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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                } else {


                    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() ) );
                    Label l4 = new Label();
                    mv.visitJumpInsn( IF_ICMPEQ, l4 );
                    mv.visitInsn( ICONST_0 );

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        {
            mv = cw.visitMethod( ACC_PUBLIC, "hashCode", "()I", null, null );
            mv.visitCode();
            mv.visitIntInsn( BIPUSH, 31 );
            mv.visitVarInsn( ISTORE, 1 );


            int count = 0;
            int x = 2;
            int y = 2;
            for ( FieldDefinition field : classDef.getFieldsDefinitions() ) {

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                    count++;


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


                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        Label l8 = new Label();

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


                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        Label l8 = new Label();
                        mv.visitJumpInsn( IFNULL, l8 );
                        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 l8 = new Label();
                        mv.visitJumpInsn( IFNULL, l8 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( field.getTypeName() ), "hashCode", "()I" );
                        Label l9 = new Label();
                        mv.visitJumpInsn( GOTO, l9 );

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                        mv.visitJumpInsn( GOTO, l9 );
                        mv.visitLabel( l8 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l9 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );


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


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

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                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );


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


                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        mv.visitInsn( DCONST_0 );
                        mv.visitInsn( DCMPL );
                        Label l2 = new Label();

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                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        mv.visitInsn( DCONST_0 );
                        mv.visitInsn( DCMPL );
                        Label l2 = new Label();
                        mv.visitJumpInsn( IFEQ, l2 );
                        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 ), "doubleToLongBits", "(D)J" );
                        Label l3 = new Label();
                        mv.visitJumpInsn( GOTO, l3 );

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                        Label l3 = new Label();
                        mv.visitJumpInsn( GOTO, l3 );
                        mv.visitLabel( l2 );
                        mv.visitInsn( LCONST_0 );
                        mv.visitLabel( l3 );
                        mv.visitVarInsn( LSTORE, 2 );
                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( LLOAD, 2 );
                        mv.visitVarInsn( LLOAD, 2 );

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