bjoernager/rust
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Support multiple item macros

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Closes #4375
This commit is contained in:
Steven Fackler 2013-11-24 23:08:53 -08:00 • committed by Steven Fackler
parent 09f84aa8f4
commit c144752a2d
12 changed files with 180 additions and 124 deletions
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5
src/librustc/front/std_inject.rs
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@ -19,6 +19,7 @@ use syntax::codemap;
use syntax::fold::ast_fold;
use syntax::fold;
use syntax::opt_vec;
use syntax::util::small_vector::SmallVector;
static STD_VERSION: &'static str = "0.9-pre";
@ -98,14 +99,14 @@ impl fold::ast_fold for StandardLibraryInjector {
}
}
fn fold_item(&self, item: @ast::item) -> Option<@ast::item> {
fn fold_item(&self, item: @ast::item) -> SmallVector<@ast::item> {
if !no_prelude(item.attrs) {
// only recur if there wasn't `#[no_implicit_prelude];`
// on this item, i.e. this means that the prelude is not
// implicitly imported though the whole subtree
fold::noop_fold_item(item, self)
} else {
Some(item)
SmallVector::one(item)
}
}