bjoernager/rust
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ast: Stop using Mod in Crate

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Crate root is sufficiently different from `mod` items, at least at syntactic level.

Also remove customization point for "`mod` item or crate root" from AST visitors.
This commit is contained in:
Vadim Petrochenkov 2021-02-14 21:14:12 +03:00
parent d1462d8558
commit eb65f15c78
23 changed files with 114 additions and 179 deletions
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10
compiler/rustc_builtin_macros/src/test_harness.rs
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@ -89,7 +89,7 @@ impl<'a> MutVisitor for TestHarnessGenerator<'a> {
noop_visit_crate(c, self);
// Create a main function to run our tests
c.module.items.push(mk_main(&mut self.cx));
c.items.push(mk_main(&mut self.cx));
}
fn flat_map_item(&mut self, i: P<ast::Item>) -> SmallVec<[P<ast::Item>; 1]> {
@ -103,9 +103,13 @@ impl<'a> MutVisitor for TestHarnessGenerator<'a> {
// We don't want to recurse into anything other than mods, since
// mods or tests inside of functions will break things
if let ast::ItemKind::Mod(mut module) = item.kind {
if let ast::ItemKind::Mod(..) = item.kind {
let tests = mem::take(&mut self.tests);
noop_visit_mod(&mut module, self);
noop_visit_item_kind(&mut item.kind, self);
let module = match item.kind {
ast::ItemKind::Mod(module) => module,
_ => unreachable!(),
};
let mut tests = mem::replace(&mut self.tests, tests);
if !tests.is_empty() {