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Fix unrooted_must_root lint to handle arguments/return types properly (fixes #8022)

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This commit is contained in:
Manish Goregaokar 2015-10-15 18:46:33 +05:30
parent 417cf5738e
commit 7022bedba3
2 changed files with 32 additions and 6 deletions
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16
components/plugins/utils.rs
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@ -3,12 +3,13 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use rustc::front::map as ast_map;
use rustc::lint::LateContext;
use rustc::lint::{LateContext, LintContext};
use rustc::middle::def;
use rustc::middle::def_id::DefId;
use rustc_front::hir;
use syntax::ast;
use syntax::attr::mark_used;
use syntax::codemap::{ExpnFormat, Span};
use syntax::ptr::P;
@ -100,3 +101,16 @@ pub fn match_def_path(cx: &LateContext, def_id: DefId, path: &[&str]) -> bool {
cx.tcx.with_path(def_id, |iter| iter.map(|elem| elem.name())
.zip(path.iter()).all(|(nm, p)| &nm.as_str() == p))
}
pub fn in_derive_expn(cx: &LateContext, span: Span) -> bool {
cx.sess().codemap().with_expn_info(span.expn_id,
|info| {
if let Some(i) = info {
if let ExpnFormat::MacroAttribute(n) = i.callee.format {
if n.as_str().contains("derive") {
true
} else { false }
} else { false }
} else { false }
})
}