Comments (2)
Yikes, no. We should just use rustc --print=crate-name
for robustness.
from rrustdoc.
Actually, we need to parse it ourselves since we also need to look for #![crate_type]
for which there does not exist a dedicated --print=crate-type
. While there is --print=link-args
whose output we could look through trying to find a reference to libproc_macro
(OS dependent?), that print request actually forces rustc do compile the given program just until the linking step. This however is the major downside: We have to pass a --crate-type <TYPE>
alongside --print=link-args
where TYPE
≠ bin
since we generally don't have a main
function but we don't know TYPE
yet, that's exactly the information we're trying to find out! Setting it to lib
or proc-macro
wouldn't work in general since it will error if the program contains a #![crate_type]
.
from rrustdoc.
Related Issues (10)
- Add minimal support for `ui_test`-style `compiletest` directives
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- Proposal: Edition aliases `S` for latest stable edition & `U` for the latest stable & or unstable edition HOT 2
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from rrustdoc.