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add test for no input file

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This commit is contained in:
yukang 2023-02-10 08:01:50 +00:00
parent b940f5088e
commit 257389882d
3 changed files with 10 additions and 1 deletions
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5
compiler/rustc_driver_impl/src/lib.rs
View file

@ -628,7 +628,10 @@ fn print_crate_info(
println!("{}", serde_json::to_string_pretty(&sess.target.to_json()).unwrap());
}
FileNames | CrateName => {
let Some(attrs) = attrs.as_ref() else { return Compilation::Continue; };
let Some(attrs) = attrs.as_ref() else {
// no crate attributes, print out an error and exit
return Compilation::Continue;
};
let t_outputs = rustc_interface::util::build_output_filenames(attrs, sess);
let id = rustc_session::output::find_crate_name(sess, attrs);
if *req == PrintRequest::CrateName {

4
tests/run-make/no-input-file/Makefile Normal file
View file

@ -0,0 +1,4 @@
include ../../run-make-fulldeps/tools.mk
all:
$(RUSTC) --print crate-name 2>&1 | diff - no-input-file.stderr

2
tests/run-make/no-input-file/no-input-file.stderr Normal file
View file

@ -0,0 +1,2 @@
error: no input filename given