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

org.drools.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 isthe index of a local variable.

            Label l0 = null;
            if ( this.debug ) {
                l0 = new Label();
                mv.visitLabel( l0 );
            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitMethodInsn( Opcodes.INVOKESPECIAL,
                                Type.getInternalName( Object.class ),
                                "<init>",
                                Type.getMethodDescriptor( Type.VOID_TYPE,

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            Label l0 = null;
            if ( this.debug ) {
                l0 = new Label();
                mv.visitLabel( l0 );
            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Type.getType( getTypeDescriptor( fieldDef.getTypeName() ) ).getOpcode( Opcodes.ILOAD ),
                             1 );
            mv.visitFieldInsn( Opcodes.PUTFIELD,
                               getInternalType( classDef.getClassName() ),

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                l0 = new Label();
                mv.visitLabel( l0 );
            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Type.getType( getTypeDescriptor( fieldDef.getTypeName() ) ).getOpcode( Opcodes.ILOAD ),
                             1 );
            mv.visitFieldInsn( Opcodes.PUTFIELD,
                               getInternalType( classDef.getClassName() ),
                               fieldDef.getName(),
                               getTypeDescriptor( fieldDef.getTypeName() ) );

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            Label l0 = null;
            if ( this.debug ) {
                l0 = new Label();
                mv.visitLabel( l0 );
            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitFieldInsn( Opcodes.GETFIELD,
                               getInternalType( classDef.getClassName() ),
                               fieldDef.getName(),
                               getTypeDescriptor( fieldDef.getTypeName() ) );

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                l0 = new Label();
                mv.visitLabel( l0 );
            }


            // if ( this == obj ) return true;
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            Label l1 = new Label();
            mv.visitJumpInsn( Opcodes.IF_ACMPNE,

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            }


            // if ( this == obj ) return true;
            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 );

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            mv.visitInsn( Opcodes.ICONST_1 );
            mv.visitInsn( Opcodes.IRETURN );


            // 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 );

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            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitInsn( Opcodes.IRETURN );


            // if ( getClass() != obj.getClass() ) return false;
            mv.visitLabel( l2 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( Object.class ),
                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),

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            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( Object.class ),
                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),
                                                          new Type[]{} ) );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( Object.class ),
                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),

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            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitInsn( Opcodes.IRETURN );


            // final <classname> other = (<classname>) obj;
            mv.visitLabel( l3 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitTypeInsn( Opcodes.CHECKCAST,
                              getInternalType( classDef.getClassName() ) );
            mv.visitVarInsn( Opcodes.ASTORE,
                             2 );

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