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syntax: ViewItemUse no longer contains multiple view paths.

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it reflected the obsolete syntax `use a, b, c;` and did not make
past the parser (though it was a non-fatal error so we can continue).
this legacy affected many portions of rustc and rustdoc as well,
so this commit cleans them up altogether.
This commit is contained in:
Kang Seonghoon
2014-04-26 22:33:45 +09:00
parent eea4909a87
commit b03547bac1
15 changed files with 185 additions and 208 deletions
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22
src/libsyntax/ast_util.rs
View File

@@ -407,18 +407,16 @@ impl<'a, O: IdVisitingOperation> Visitor<()> for IdVisitor<'a, O> {
ViewItemExternCrate(_, _, node_id) => {
self.operation.visit_id(node_id)
}
ViewItemUse(ref view_paths) => {
for view_path in view_paths.iter() {
match view_path.node {
ViewPathSimple(_, _, node_id) |
ViewPathGlob(_, node_id) => {
self.operation.visit_id(node_id)
}
ViewPathList(_, ref paths, node_id) => {
self.operation.visit_id(node_id);
for path in paths.iter() {
self.operation.visit_id(path.node.id)
}
ViewItemUse(ref view_path) => {
match view_path.node {
ViewPathSimple(_, _, node_id) |
ViewPathGlob(_, node_id) => {
self.operation.visit_id(node_id)
}
ViewPathList(_, ref paths, node_id) => {
self.operation.visit_id(node_id);
for path in paths.iter() {
self.operation.visit_id(path.node.id)
}
}
}