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https://stackoverflow.com/a/26725652/257924指定了一个有用的环境变量,调用该变量GTAGSFORCECPP以强制.h将文件视为 C++(否则,C++ 类定义不会作为符号添加到标签数据库中)。理想情况下,我不必在我的启动脚本中设置那个 env var,而是让它以某种方式表达到一个位于中心的 gtags.conf 中,可以与网络中的其他开发人员共享。gtags 手册(特别是本节)的措辞使我相信这是可能的:

You can use the following environment variables as a string
variable. If these variables are set then environment variables of
the same name are set before command execution.

    GREP_COLOR
    GREP_COLORS
    GTAGSBLANKENCODE
    GTAGSCACHE
    GTAGSFORCECPP
    GTAGSGLOBAL
    GTAGSGTAGS
    GTAGSLIBPATH
    GTAGSLOGGING
    GTAGSTHROUGH
    GTAGS_OPTIONS
    HTAGS_OPTIONS
    MAKEOBJDIR
    MAKEOBJDIRPREFIX
    TMPDIR

The following variables are also available as a string
variable. By default, each of them has a directory path given by
the configure script.

  bindir
  datadir
  libdir
  localstatedir
  sysconfdir

但是,我不确定在哪里表达它。例如,像这样添加它会导致解析错误,所以这是不正确的:

#
# Built-in parsers.
#
gtags:\
    :tc=common:\
    :tc=builtin-parser:\
    :GTAGSFORCECPP=1:

我真正想要的是强制所有.h文件都被视为 C++,所以可能有更好的方法来解决它。

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