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cpc

  • 2021.7.1 突发奇想 “建党 100 周年!写一个名为 CPC 的 C 编译器,为党庆生!”

实现说明

思路来自于著名的 C4,一个 500 行的可自举的 C 编译器.
我这个行数目测要超过 1000 行,anyway,just for fun.

最终,我只用了 700 行!GOODJOB!代码清晰易读,哈哈
可以认为本项目是一个可读版的C4,基本没有原创成分

原理解析

原理解析已分章节做成视频上传 B 站了,标题为「700行手写编译器」

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cpc's Issues

[Question]About open() don't work

你好,看了你的视频学到了很多。在动手写虚拟机部分的时候不知为何 open() 似乎无法正常工作,我主要的参考代码来源于 https://lotabout.me/2015/write-a-C-interpreter-2/,在 MacOS Clion 上始终显示 could not open(null),我尝试替换64位、更换为 Linux 系统以及改变代码结构,但并没有效果,现在我不知道如何解决,希望您能够帮助我。

我的代码可以通过1s浏览器上浏览:https://github1s.com/Yousazoe/CmmCompiler/blob/HEAD/main.c

请问这个格式指定类型的编译警告怎么处理呀

cpc.c:664:41: warning: format specifies type 'long long' but the argument has type 'int64_t *' (aka 'long long *') [-Wformat]
sprintf(buffer, "(%lld) %8.4s", ++code_dump, insts + (*code_dump * 5));
~~~~ ^~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/secure/_stdio.h:47:56: note: expanded from macro 'sprintf'
__builtin___sprintf_chk (str, 0, __darwin_obsz(str), VA_ARGS)
^~~~~~~~~~~
cpc.c:664:41: warning: unsequenced modification and access to 'code_dump' [-Wunsequenced]
sprintf(buffer, "(%lld) %8.4s", ++code_dump, insts + (*code_dump * 5));
^ ~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/secure/_stdio.h:47:56: note: expanded from macro 'sprintf'
__builtin___sprintf_chk (str, 0, __darwin_obsz(str), VA_ARGS)
^~~~~~~~~~~
2 warnings generated.

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