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Avoid recomputing the target module for an import directive.

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This commit is contained in:
Jeffrey Seyfried 2016-03-18 00:57:05 +00:00
parent b83739af4e
commit 0d1bc02da8
1 changed files with 10 additions and 7 deletions
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17
src/librustc_resolve/resolve_imports.rs
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@ -430,15 +430,18 @@ impl<'a, 'b:'a, 'tcx:'b> ImportResolver<'a, 'b, 'tcx> {
names_to_string(&directive.module_path),
module_to_string(self.resolver.current_module));
let target_module = match self.resolver.resolve_module_path(&directive.module_path,
DontUseLexicalScope,
directive.span) {
Success(module) => module,
Indeterminate => return Indeterminate,
Failed(err) => return Failed(err),
let target_module = match directive.target_module.get() {
Some(module) => module,
_ => match self.resolver.resolve_module_path(&directive.module_path,
DontUseLexicalScope,
directive.span) {
Success(module) => module,
Indeterminate => return Indeterminate,
Failed(err) => return Failed(err),
},
};
directive.target_module.set(Some(target_module));
directive.target_module.set(Some(target_module));
let (source, target, value_determined, type_determined) = match directive.subclass {
SingleImport { source, target, ref value_determined, ref type_determined } =>
(source, target, value_determined, type_determined),