Examples of org.objectweb.asm.MethodVisitor.visitInsn()

org.objectweb.asm.MethodVisitor.visitInsn()
Visits a zero operand instruction. @param opcode the opcode of the instruction to be visited. This opcode iseither NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.

            BytecodeHelper.box(mv, method.getReturnType());
            if (method.getReturnType() == void.class) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            }


            mv.visitInsn(Opcodes.ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }

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                mv.visitMethodInsn((useInterface) ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL, type, method.getName(), descriptor);
            }


            BytecodeHelper.box(mv, method.getReturnType());
            if (method.getReturnType() == void.class) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            }


            mv.visitInsn(Opcodes.ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();

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            BytecodeHelper.box(mv, method.getReturnType());
            if (method.getReturnType() == void.class) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            }


            mv.visitInsn(Opcodes.ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }

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            compileStack.pushState();
            compileStack.defineVariable(exceptionVariable, true);
            // handle catch body
            catchStatement.visit(controller.getAcg());
            // place holder to avoid problems with empty catch blocks
            mv.visitInsn(NOP);
            // pop for the variable
            controller.getCompileStack().pop();


            // end of catch
            Label catchEnd = new Label();

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        compileStack.pop();


        // start finally
        mv.visitLabel(finallyStart);
        finallyStatement.visit(controller.getAcg());
        mv.visitInsn(NOP);  //**


        // goto after all-catching block
        Label skipCatchAll = new Label();
        mv.visitJumpInsn(GOTO, skipCatchAll);

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        finallyStatement.visit(controller.getAcg());


        // load the exception and rethrow it
        mv.visitVarInsn(ALOAD, anyExceptionIndex);
        mv.visitInsn(ATHROW);


        mv.visitLabel(skipCatchAll);
    }
    
    private BlockRecorder makeBlockRecorder(final Statement finallyStatement) {

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        final Label synchronizedStart = new Label();
        final Label synchronizedEnd = new Label();
        final Label catchAll = new Label();


        mv.visitVarInsn(ALOAD, index);
        mv.visitInsn(MONITORENTER);
        mv.visitLabel(synchronizedStart);
        // place holder for "empty" synchronized blocks, for example
        // if there is only a break/continue.
        mv.visitInsn(NOP);

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        mv.visitVarInsn(ALOAD, index);
        mv.visitInsn(MONITORENTER);
        mv.visitLabel(synchronizedStart);
        // place holder for "empty" synchronized blocks, for example
        // if there is only a break/continue.
        mv.visitInsn(NOP);


        Runnable finallyPart = new Runnable() {
            public void run() {
                mv.visitVarInsn(ALOAD, index);
                mv.visitInsn(MONITOREXIT);

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        mv.visitInsn(NOP);


        Runnable finallyPart = new Runnable() {
            public void run() {
                mv.visitVarInsn(ALOAD, index);
                mv.visitInsn(MONITOREXIT);
            }
        };
        BlockRecorder fb = new BlockRecorder(finallyPart);
        fb.startRange(synchronizedStart);
        compileStack.pushBlockRecorder(fb);

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        finallyPart.run();
        mv.visitJumpInsn(GOTO, synchronizedEnd);
        mv.visitLabel(catchAll);
        finallyPart.run();
        mv.visitInsn(ATHROW);


        mv.visitLabel(synchronizedEnd);
    }


    public void writeAssert(AssertStatement statement) {

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