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

org.mvel2.asm.MethodVisitor.visitJumpInsn()
Visits a jump instruction. A jump instruction is an instruction that may jump to another instruction. @param opcode the opcode of the type instruction to be visited. This opcode is either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL. @param label the operand of the instruction to be visited. This operand is a label that designates the instruction to which the jump instruction may jump.

                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        mv.visitInsn( FCONST_0 );
                        mv.visitInsn( FCMPL );
                        Label l6 = new Label();
                        mv.visitJumpInsn( IFEQ, l6 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Float.class ), "floatToIntBits", "(F)I" );
                        Label l7 = new Label();

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                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ), 
                                            "()" + BuildUtils.getTypeDescriptor( field.getTypeName() ) );
                        mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Float.class ), "floatToIntBits", "(F)I" );
                        Label l7 = new Label();
                        mv.visitJumpInsn( GOTO, l7 );
                        mv.visitLabel( l6 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l7 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

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                                       getTypeDescriptor( field.getTypeName() ) );


                    if ( "boolean".equals( field.getTypeName() ) ) {
                        // attr_hash ::== <boolean_attr> ? 1231 : 1237;
                        Label blabel1 = new Label();
                        mv.visitJumpInsn( Opcodes.IFEQ,
                                          blabel1 );
                        mv.visitIntInsn( Opcodes.SIPUSH,
                                         1231 );
                        Label blabel2 = new Label();
                        mv.visitJumpInsn( Opcodes.GOTO,

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                        mv.visitJumpInsn( Opcodes.IFEQ,
                                          blabel1 );
                        mv.visitIntInsn( Opcodes.SIPUSH,
                                         1231 );
                        Label blabel2 = new Label();
                        mv.visitJumpInsn( Opcodes.GOTO,
                                          blabel2 );
                        mv.visitLabel( blabel1 );
                        mv.visitIntInsn( Opcodes.SIPUSH,
                                         1237 );
                        mv.visitLabel( blabel2 );

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                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );
                    } else if ( !isPrimitive( field.getTypeName() ) ) {
                        // attr_hash ::== ((objAttr == null) ? 0 : objAttr.hashCode());
                        Label olabel1 = new Label();
                        mv.visitJumpInsn( Opcodes.IFNONNULL,
                                          olabel1 );
                        mv.visitInsn( Opcodes.ICONST_0 );
                        Label olabel2 = new Label();
                        mv.visitJumpInsn( Opcodes.GOTO,
                                          olabel2 );

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                        Label olabel1 = new Label();
                        mv.visitJumpInsn( Opcodes.IFNONNULL,
                                          olabel1 );
                        mv.visitInsn( Opcodes.ICONST_0 );
                        Label olabel2 = new Label();
                        mv.visitJumpInsn( Opcodes.GOTO,
                                          olabel2 );
                        mv.visitLabel( olabel1 );
                        mv.visitVarInsn( Opcodes.ALOAD,
                                         0 );
                        mv.visitFieldInsn( Opcodes.GETFIELD,

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            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            Label l1 = new Label();
            mv.visitJumpInsn( Opcodes.IF_ACMPNE,
                              l1 );
            mv.visitInsn( Opcodes.ICONST_1 );
            mv.visitInsn( Opcodes.IRETURN );


            // if ( obj == null ) return false;

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            // if ( obj == null ) return false;
            mv.visitLabel( l1 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            Label l2 = new Label();
            mv.visitJumpInsn( Opcodes.IFNONNULL,
                              l2 );
            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitInsn( Opcodes.IRETURN );


            // if ( getClass() != obj.getClass() ) return false;

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                                Type.getInternalName( Object.class ),
                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),
                                                          new Type[]{} ) );
            Label l3 = new Label();
            mv.visitJumpInsn( Opcodes.IF_ACMPEQ,
                              l3 );
            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitInsn( Opcodes.IRETURN );


            // final <classname> other = (<classname>) obj;

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                                           field.getName(),
                                           getTypeDescriptor( field.getTypeName() ) );


                        if ( field.getTypeName().equals( "long" ) ) {
                            mv.visitInsn( Opcodes.LCMP );
                            mv.visitJumpInsn( Opcodes.IFEQ,
                                              goNext );
                        } else if ( field.getTypeName().equals( "double" ) ) {
                            mv.visitInsn( Opcodes.DCMPL );
                            mv.visitJumpInsn( Opcodes.IFEQ,
                                              goNext );

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