I am having a situation where #define in one of the header files breaks an enum declaration in another header file.
使用<条码>-E 交换<条码> 我确定,我已经
#define OFF 0
某些地方。
问题在于,我是如何找到的? 该项目是巨大的,有数十个目录,数百个包括档案。 我最终做过一次全球磨擦,但问题是,有没有办法要求<条码>gcc/<>。 • 编造什么地方? 它显然拥有这一信息!
Update: thanks for not one but two solutions - SO comes through. Just for the record, the culprit was one of the Sybase client libraries includes (ctlib, not even dblib). Ouch.
你们可以重新界定(价值不同)。 然后,电梯将告诉你它已经界定了什么。
在我的制度上,它希望:
In file included from < some file >27,
from < another file >:13:< Header file with the definedd Value>:30:1: > press: “< the definition >”
< command-line >: warning: this is the location of the previous definition
Use the option -dD together with -E. With both enabled you see the preprocessing result including the defines. Just look for you macro (like #define OFF 1) and scroll up, to the # number filename, and you find the last include file, so it was the one, that defined your macro.
一种很好的解决办法是管理像“标签”这样的东西,因为“标签”基本建立了你法典界定的象征数据库。 之后,许多普通编辑(vim, emacs)将读到标签档案中,让你迅速按姓名跃入定义。 例如,使用正文一就简单:
:ta myfunction
To find the definition of myfunction. This works equally well for macros created with #define, and it supports a variety of languages other than C. I m using exhuberant ctags, which is what you get if you install ctags on a RHEL-ish system, but it s certainly available under Debian, Ubuntu, OS X, and so forth.
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