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Fix invalid module suggestion

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This commit is contained in:
Guillaume Gomez 2016-12-08 16:12:38 -08:00
parent 846891aeff
commit e482529022
1 changed files with 20 additions and 13 deletions
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33
src/libsyntax/parse/parser.rs
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@ -5363,26 +5363,33 @@ impl<'a> Parser<'a> {
}
let mut err = self.diagnostic().struct_span_err(id_sp,
"cannot declare a new module at this location");
let this_module = match self.directory.path.file_name() {
Some(file_name) => file_name.to_str().unwrap().to_owned(),
None => self.root_module_name.as_ref().unwrap().clone(),
};
err.span_note(id_sp,
&format!("maybe move this module `{0}` to its own directory \
via `{0}{1}mod.rs`",
this_module,
path::MAIN_SEPARATOR));
if id_sp != syntax_pos::DUMMY_SP {
let full_path = self.sess.codemap().span_to_filename(id_sp);
let path = Path::new(&full_path);
let filename = path.file_stem().unwrap();
let parent = path.parent().unwrap_or(Path::new(""))
.to_str().unwrap_or("").to_owned();
let path = format!("{}/{}",
if parent.len() == 0 { "." } else { &parent },
filename.to_str().unwrap_or(""));
err.span_note(id_sp,
&format!("maybe move this module `{0}` to its own directory \
via `{0}{1}mod.rs`",
path,
path::MAIN_SEPARATOR));
}
if paths.path_exists {
err.span_note(id_sp,
&format!("... or maybe `use` the module `{}` instead \
of possibly redeclaring it",
paths.name));
Err(err)
} else {
Err(err)
}
Err(err)
} else {
paths.result.map_err(|err| self.span_fatal_err(id_sp, err))
match paths.result {
Ok(succ) => Ok(succ),
Err(err) => Err(self.span_fatal_err(id_sp, &err.err_msg, &err.help_msg)),
}
}
}