- Fix bugs on LVal status 2.
    - Change the meaning of A/B_table and result.
    - Complete OptimizeConst.

    - Complete IR part.
    Cond has not been tested.
    - Add the first optimize file.

    - Realize library function putf.

    - Complete the Chinese Notion
    - Fix bug in LVal status 3.

    - Fix bugs in main.cpp.

    - Fix format

    - Fix bugs
    - Add Chinese notes

    - Fix bugs
    - Add Chinese notes

    - Add some cond rules
    - Fix bugs
    - Add some Chinese notions

重整文件树

See merge request !1

    - Fix bugs in UnaryExp.

    - Change the defination of ParamRecord.
    Add if_array.
    - Change OP 45 to check parameter is variable or array.
    - Add FuncParamType to check the parameter.
    - Fix bugs in LVal.
    - Realize some rules:
    UnaryExp 4
    MulArrayExp 1-2
    FuncFParam 2
    FuncRParams 1-2
    MulFuncExp 1-2
    MulFuncExps
    - Realize some logic of Cond by MYZ.
    - Add result_type of IR in table.cpp.
    - Change print() in main.cpp.

    - Change print function

    - Change InterCode from 8-element to 9-element
    - Other changes

    - Change note of TypeRecord, to match the array defination.
    - Fix bug in TypeStack::push.
    - Create new information variables.
    PushVariStack LValptr(change its defination)
    - Create utility function.
    create
    - Change the usage of LValptr.
    - Change stmt status 3.
    - Realize some of rules.
    ConstDecl 1
    MulConstDef
    MulConstDecl
    LVal 2 (3 has not finished)
    VarDecl 1-2
    VarDef 1-4
    MulVarDef
    MulVarDecl
    InitVal 1-4
    MulInitVal 1-2
    MulInitVals
    ConstInitVal 3
    MulConstInitVal 1-2
    MulConstInitVals
    - Change the logic of VariStack::clear and VariTable::push_array().