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Fix ICE with unknown defids

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This commit is contained in:
Manish Goregaokar 2016-03-27 02:45:14 +05:30
parent 3d9a7d9140
commit f3fdbd0d89
1 changed files with 12 additions and 11 deletions
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23
src/enum_glob_use.rs
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@ -43,20 +43,21 @@ impl EnumGlobUse {
}
if let ItemUse(ref item_use) = item.node {
if let ViewPath_::ViewPathGlob(_) = item_use.node {
let def = cx.tcx.def_map.borrow()[&item.id];
if let Some(node_id) = cx.tcx.map.as_local_node_id(def.def_id()) {
if let Some(NodeItem(it)) = cx.tcx.map.find(node_id) {
if let ItemEnum(..) = it.node {
span_lint(cx, ENUM_GLOB_USE, item.span, "don't use glob imports for enum variants");
}
}
} else {
if let Some(dp) = cx.sess().cstore.def_path(def.def_id()).last() {
if let DefPathData::Type(_) = dp.data {
if let TyEnum(..) = cx.sess().cstore.item_type(&cx.tcx, def.def_id()).ty.sty {
if let Some(def) = cx.tcx.def_map.borrow().get(&item.id) {
if let Some(node_id) = cx.tcx.map.as_local_node_id(def.def_id()) {
if let Some(NodeItem(it)) = cx.tcx.map.find(node_id) {
if let ItemEnum(..) = it.node {
span_lint(cx, ENUM_GLOB_USE, item.span, "don't use glob imports for enum variants");
}
}
} else {
if let Some(dp) = cx.sess().cstore.def_path(def.def_id()).last() {
if let DefPathData::Type(_) = dp.data {
if let TyEnum(..) = cx.sess().cstore.item_type(&cx.tcx, def.def_id()).ty.sty {
span_lint(cx, ENUM_GLOB_USE, item.span, "don't use glob imports for enum variants");
}
}
}
}
}
}