Examples of com.alibaba.fastjson.asm.MethodVisitor.visitInsn()

Class com.alibaba.fastjson.asm.MethodVisitor

Examples of com.alibaba.fastjson.asm.MethodVisitor.visitInsn()

com.alibaba.fastjson.asm.MethodVisitor.visitInsn()
Visits a zero operand instruction. @param opcode the opcode of the instruction to be visited. This opcode is either 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.

        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "createInstance", "(" + getDesc(DefaultJSONParser.class)
                                                                        + getDesc(Type.class) + ")Ljava/lang/Object;",
                                          null, null);


        mw.visitTypeInsn(NEW, getType(context.getClazz()));
        mw.visitInsn(DUP);
        mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>", "()V");


        mw.visitInsn(ARETURN);
        mw.visitMaxs(3, 3);
        mw.visitEnd();

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        mw.visitTypeInsn(NEW, getType(context.getClazz()));
        mw.visitInsn(DUP);
        mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>", "()V");


        mw.visitInsn(ARETURN);
        mw.visitMaxs(3, 3);
        mw.visitEnd();
    }


}

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            } else if (fieldClass == String.class) {
                Label notEnd_ = new Label();


                mw.visitIntInsn(ILOAD, context.var("matchStat"));
                mw.visitInsn(ICONST_4); // END
                mw.visitJumpInsn(IF_ICMPNE, notEnd_);


                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "stringDefaultValue",
                                   "()Ljava/lang/String;");

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            } else if (fieldClass.isEnum()) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, 0);
                mw.visitFieldInsn(GETFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");
                Label enumNull_ = new Label();
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));


                mw.visitVarInsn(ALOAD, 1);
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getSymbolTable",

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                mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getSymbolTable",
                                   "()" + getDesc(SymbolTable.class));


                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "scanFieldSymbol",
                                   "([C" + getDesc(SymbolTable.class) + ")Ljava/lang/String;");
                mw.visitInsn(DUP);
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm_enumName"));


                mw.visitJumpInsn(IFNULL, enumNull_);
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm_enumName"));
                mw.visitMethodInsn(INVOKESTATIC, getType(fieldClass), "valueOf", "(Ljava/lang/String;)"

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            _setFlag(mw, context, i);
            mw.visitLabel(flag_);


            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, getType(JSONLexer.class), "matchStat", "I");
            mw.visitInsn(DUP);
            mw.visitVarInsn(ISTORE, context.var("matchStat"));


            mw.visitFieldInsn(GETSTATIC, getType(JSONLexer.class), "NOT_MATCH", "I");
            mw.visitJumpInsn(IF_ICMPEQ, reset_);

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            mw.visitFieldInsn(GETFIELD, getType(JSONLexer.class), "matchStat", "I");
            mw.visitJumpInsn(IFLE, notMatch_);


            // increment matchedCount
            mw.visitVarInsn(ILOAD, context.var("matchedCount"));
            mw.visitInsn(ICONST_1);
            mw.visitInsn(IADD);
            mw.visitVarInsn(ISTORE, context.var("matchedCount"));


            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, getType(JSONLexer.class), "matchStat", "I");

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            mw.visitJumpInsn(IFLE, notMatch_);


            // increment matchedCount
            mw.visitVarInsn(ILOAD, context.var("matchedCount"));
            mw.visitInsn(ICONST_1);
            mw.visitInsn(IADD);
            mw.visitVarInsn(ISTORE, context.var("matchedCount"));


            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, getType(JSONLexer.class), "matchStat", "I");
            mw.visitFieldInsn(GETSTATIC, getType(JSONLexer.class), "END", "I");

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            mw.visitVarInsn(ASTORE, context.var("instance"));
        } else {
            if (defaultConstructor != null) {
                if (Modifier.isPublic(defaultConstructor.getModifiers())) {
                    mw.visitTypeInsn(NEW, getType(context.getClazz()));
                    mw.visitInsn(DUP);
                    mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>", "()V");


                    mw.visitVarInsn(ASTORE, context.var("instance"));
                } else {
                    mw.visitVarInsn(ALOAD, 0);

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                                       "(" + getDesc(DefaultJSONParser.class) + ")Ljava/lang/Object;");
                    mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
                    mw.visitVarInsn(ASTORE, context.var("instance"));
                }
            } else {
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
                mw.visitVarInsn(ASTORE, context.var("instance"));
            }
        }

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