今日修复了一个在我负责的中文语言模块中的错误。该错误导致词法解析器在文件末尾时误报I/O异常。我重写了输入流的源代码，并在输入流结构中新增了两个成员变量来记录文件大小及已加载字节数，还定义了一个宏来预防缓冲区溢出。
Today I modified a bug in my china language. This bug made a mistaken to report a IO error when the lexical parser reached at the end of a file.
I rewote the source of input stream. I added two members in the struct input stream. The previous version is wrong. When loading data from a file,
an input stream must know how many size of a file, and how many bytes still is not loaded.
What is more, I defined a macro for many buffer over check.
I have to delay the project, and turn to my work. There are somethings must be done.
I rewote the source of input stream. I added two members in the struct input stream. The previous version is wrong. When loading data from a file,
an input stream must know how many size of a file, and how many bytes still is not loaded.
What is more, I defined a macro for many buffer over check.
I have to delay the project, and turn to my work. There are somethings must be done.
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