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

Class com.alibaba.fastjson.asm.MethodVisitor

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

com.alibaba.fastjson.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 theinstruction to which the jump instruction may jump.

        }


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


        mw.visitInsn(ICONST_0); // UNKOWN
        mw.visitIntInsn(ISTORE, context.var("matchStat"));
        
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; i+=32) {

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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(JSONScanner.class), "stringDefaultValue",
                                   "()Ljava/lang/String;");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

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                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "stringDefaultValue",
                                   "()Ljava/lang/String;");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                mw.visitJumpInsn(GOTO, notMatch_);


                mw.visitLabel(notEnd_);


                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, 0);

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                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.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;)"
                                                                                 + getDesc(fieldClass));
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                mw.visitLabel(enumNull_);

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            mw.visitFieldInsn(GETSTATIC, getType(SerializerFeature.class), "SortField",
                              "L" + getType(SerializerFeature.class) + ";");
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "isEnabled",
                               "(" + "L" + getType(SerializerFeature.class) + ";" + ")Z");


            mw.visitJumpInsn(IFEQ, _else);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, 1);
            mw.visitVarInsn(ALOAD, 2);
            mw.visitVarInsn(ALOAD, 3);
            mw.visitVarInsn(ALOAD, context.paramFieldType());

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            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
            Label flag_ = new Label();
            // mw.visitInsn(DUP);
            mw.visitJumpInsn(IFLE, flag_);
            _setFlag(mw, context, i);
            mw.visitLabel(flag_);


            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");

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            mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
            mw.visitInsn(DUP);
            mw.visitVarInsn(ISTORE, context.var("matchStat"));


            mw.visitFieldInsn(GETSTATIC, "com/alibaba/fastjson/parser/JSONLexerBase", "NOT_MATCH", "I");
            mw.visitJumpInsn(IF_ICMPEQ, reset_);


            // mw.visitFieldInsn(GETSTATIC, getType(System.class), "out", "Ljava/io/PrintStream;");
            // mw.visitVarInsn(ALOAD, context.var("lexer"));
            // mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
            // mw.visitMethodInsn(INVOKEVIRTUAL, getType(java.io.PrintStream.class), "println", "(I)V");

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            // mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
            // mw.visitMethodInsn(INVOKEVIRTUAL, getType(java.io.PrintStream.class), "println", "(I)V");


            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
            mw.visitJumpInsn(IFLE, notMatch_);


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

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            mw.visitVarInsn(ISTORE, context.var("matchedCount"));


            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
            mw.visitFieldInsn(GETSTATIC, "com/alibaba/fastjson/parser/JSONLexerBase", "END", "I");
            mw.visitJumpInsn(IF_ICMPEQ, end_);


            // mw.visitFieldInsn(GETSTATIC, getType(System.class), "out", "Ljava/io/PrintStream;");
            // mw.visitVarInsn(ILOAD, context.var("matchedCount"));
            // mw.visitMethodInsn(INVOKEVIRTUAL, getType(java.io.PrintStream.class), "println", "(I)V");

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            if (i == fieldListSize - 1) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitFieldInsn(GETFIELD, "com/alibaba/fastjson/parser/JSONLexerBase", "matchStat", "I");
                mw.visitFieldInsn(GETSTATIC, "com/alibaba/fastjson/parser/JSONLexerBase", "END", "I");
                mw.visitJumpInsn(IF_ICMPNE, reset_);
            }
        } // endFor


        mw.visitLabel(end_);

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