bjoernager/rust
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Parse tool name for command line lint options

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This commit is contained in:
Eric Holk 2021-06-24 16:38:32 -07:00
parent 65b28a987b
commit 1e0db4cfed
3 changed files with 44 additions and 3 deletions
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20
compiler/rustc_lint/src/context.rs
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@ -334,9 +334,16 @@ impl LintStore {
}
}
/// Checks the validity of lint names derived from the command line
pub fn check_lint_name_cmdline(&self, sess: &Session, lint_name: &str, level: Level) {
let db = match self.check_lint_name(lint_name, None) {
/// Checks the validity of lint names derived from the command line. Returns
/// true if the lint is valid, false otherwise.
pub fn check_lint_name_cmdline(
&self,
sess: &Session,
lint_name: &str,
level: Option<Level>,
) -> bool {
let (tool_name, lint_name) = parse_lint_and_tool_name(lint_name);
let db = match self.check_lint_name(lint_name, tool_name) {
CheckLintNameResult::Ok(_) => None,
CheckLintNameResult::Warning(ref msg, _) => Some(sess.struct_warn(msg)),
CheckLintNameResult::NoLint(suggestion) => {
@ -1018,3 +1025,10 @@ impl<'tcx> LayoutOf for LateContext<'tcx> {
self.tcx.layout_of(self.param_env.and(ty))
}
}
pub fn parse_lint_and_tool_name(lint_name: &str) -> (Option<Symbol>, &str) {
match lint_name.split_once("::") {
Some((tool_name, lint_name)) => (Some(Symbol::intern(tool_name)), lint_name),
None => (None, lint_name),
}
}