Remove item tree tests
They were useful during initial development of the item tree, but now just cause churn
This commit is contained in:
Jonas Schievink
parent
d82292e1ce
commit
d338513e95
@ -1,8 +1,6 @@
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//! A simplified AST that only contains items.
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mod lower;
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#[cfg(test)]
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mod tests;
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use std::{
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any::type_name,
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@ -1,439 +0,0 @@
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use base_db::fixture::WithFixture;
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use expect_test::{expect, Expect};
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use hir_expand::{db::AstDatabase, HirFileId, InFile};
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use rustc_hash::FxHashSet;
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use std::sync::Arc;
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use stdx::format_to;
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use syntax::{ast, AstNode};
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use crate::{db::DefDatabase, test_db::TestDB};
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use super::{ItemTree, ModItem, ModKind};
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fn test_inner_items(ra_fixture: &str) {
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let (db, file_id) = TestDB::with_single_file(ra_fixture);
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let file_id = HirFileId::from(file_id);
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let tree = db.item_tree(file_id);
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let root = db.parse_or_expand(file_id).unwrap();
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let ast_id_map = db.ast_id_map(file_id);
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// Traverse the item tree and collect all module/impl/trait-level items as AST nodes.
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let mut outer_items = FxHashSet::default();
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let mut worklist = tree.top_level_items().to_vec();
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while let Some(item) = worklist.pop() {
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let node: ast::Item = match item {
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ModItem::Import(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::ExternCrate(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Function(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Struct(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Union(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Enum(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Const(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Static(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::TypeAlias(it) => tree.source(&db, InFile::new(file_id, it)).into(),
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ModItem::Mod(it) => {
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if let ModKind::Inline { items } = &tree[it].kind {
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worklist.extend(&**items);
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}
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tree.source(&db, InFile::new(file_id, it)).into()
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}
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ModItem::Trait(it) => {
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worklist.extend(tree[it].items.iter().map(|item| ModItem::from(*item)));
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tree.source(&db, InFile::new(file_id, it)).into()
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}
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ModItem::Impl(it) => {
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worklist.extend(tree[it].items.iter().map(|item| ModItem::from(*item)));
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tree.source(&db, InFile::new(file_id, it)).into()
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}
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ModItem::MacroCall(_) => continue,
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};
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outer_items.insert(node);
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}
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// Now descend the root node and check that all `ast::ModuleItem`s are either recorded above, or
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// registered as inner items.
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for item in root.descendants().skip(1).filter_map(ast::Item::cast) {
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if outer_items.contains(&item) {
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continue;
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}
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let ast_id = ast_id_map.ast_id(&item);
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assert!(!tree.inner_items(ast_id).is_empty());
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}
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}
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fn item_tree(ra_fixture: &str) -> Arc<ItemTree> {
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let (db, file_id) = TestDB::with_single_file(ra_fixture);
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db.item_tree(file_id.into())
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}
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fn print_item_tree(ra_fixture: &str) -> String {
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let tree = item_tree(ra_fixture);
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let mut out = String::new();
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format_to!(out, "inner attrs: {:?}\n\n", tree.top_level_attrs());
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format_to!(out, "top-level items:\n");
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for item in tree.top_level_items() {
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fmt_mod_item(&mut out, &tree, *item);
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format_to!(out, "\n");
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}
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if !tree.inner_items.is_empty() {
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format_to!(out, "\ninner items:\n\n");
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for (ast_id, items) in &tree.inner_items {
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format_to!(out, "for AST {:?}:\n", ast_id);
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for inner in items {
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fmt_mod_item(&mut out, &tree, *inner);
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format_to!(out, "\n\n");
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}
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}
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}
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out
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}
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fn fmt_mod_item(out: &mut String, tree: &ItemTree, item: ModItem) {
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let attrs = tree.attrs(item.into());
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if !attrs.is_empty() {
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format_to!(out, "#[{:?}]\n", attrs);
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}
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let mut children = String::new();
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match item {
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ModItem::ExternCrate(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Import(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Function(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Struct(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Union(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Enum(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Const(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Static(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Trait(it) => {
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format_to!(out, "{:?}", tree[it]);
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for item in &*tree[it].items {
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fmt_mod_item(&mut children, tree, ModItem::from(*item));
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format_to!(children, "\n");
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}
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}
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ModItem::Impl(it) => {
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format_to!(out, "{:?}", tree[it]);
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for item in &*tree[it].items {
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fmt_mod_item(&mut children, tree, ModItem::from(*item));
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format_to!(children, "\n");
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}
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}
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ModItem::TypeAlias(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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ModItem::Mod(it) => {
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format_to!(out, "{:?}", tree[it]);
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match &tree[it].kind {
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ModKind::Inline { items } => {
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for item in &**items {
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fmt_mod_item(&mut children, tree, *item);
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format_to!(children, "\n");
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}
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}
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ModKind::Outline {} => {}
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}
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}
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ModItem::MacroCall(it) => {
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format_to!(out, "{:?}", tree[it]);
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}
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}
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for line in children.lines() {
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format_to!(out, "\n> {}", line);
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}
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}
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fn check(ra_fixture: &str, expect: Expect) {
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let actual = print_item_tree(ra_fixture);
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expect.assert_eq(&actual);
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}
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#[test]
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fn smoke() {
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check(
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r"
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#![attr]
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#[attr_on_use]
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use {a, b::*};
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#[ext_crate]
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extern crate krate;
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#[on_trait]
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trait Tr<U> {
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#[assoc_ty]
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type AssocTy: Tr<()>;
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#[assoc_const]
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const CONST: u8;
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#[assoc_method]
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fn method(&self);
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#[assoc_dfl_method]
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fn dfl_method(&mut self) {}
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}
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#[struct0]
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struct Struct0<T = ()>;
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#[struct1]
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struct Struct1<T>(#[struct1fld] u8);
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#[struct2]
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struct Struct2<T> {
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#[struct2fld]
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fld: (T, ),
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}
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#[en]
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enum En {
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#[enum_variant]
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Variant {
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#[enum_field]
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field: u8,
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},
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}
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#[un]
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union Un {
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#[union_fld]
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fld: u16,
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}
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",
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expect![[r##"
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inner attrs: Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr"))] }, input: None }]) }
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top-level items:
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_on_use"))] }, input: None }]) }]
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Import { path: ModPath { kind: Plain, segments: [Name(Text("a"))] }, alias: None, visibility: RawVisibilityId("pub(self)"), is_glob: false, is_prelude: false, ast_id: FileAstId::<syntax::ast::generated::nodes::Use>(0), index: 0 }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_on_use"))] }, input: None }]) }]
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Import { path: ModPath { kind: Plain, segments: [Name(Text("b"))] }, alias: None, visibility: RawVisibilityId("pub(self)"), is_glob: true, is_prelude: false, ast_id: FileAstId::<syntax::ast::generated::nodes::Use>(0), index: 1 }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("ext_crate"))] }, input: None }]) }]
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ExternCrate { name: Name(Text("krate")), alias: None, visibility: RawVisibilityId("pub(self)"), is_macro_use: false, ast_id: FileAstId::<syntax::ast::generated::nodes::ExternCrate>(1) }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_trait"))] }, input: None }]) }]
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Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [TypeAlias(Idx::<TypeAlias>(0)), Const(Idx::<Const>(0)), Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Trait>(2) }
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> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_ty"))] }, input: None }]) }]
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> TypeAlias { name: Name(Text("AssocTy")), visibility: RawVisibilityId("pub(self)"), bounds: [Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Tr"))] }, generic_args: [Some(GenericArgs { args: [Type(Tuple([]))], has_self_type: false, bindings: [] })] })], generic_params: GenericParamsId(4294967295), type_ref: None, is_extern: false, ast_id: FileAstId::<syntax::ast::generated::nodes::TypeAlias>(8) }
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> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_const"))] }, input: None }]) }]
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> Const { name: Some(Name(Text("CONST"))), visibility: RawVisibilityId("pub(self)"), type_ref: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("u8"))] }, generic_args: [None] }), ast_id: FileAstId::<syntax::ast::generated::nodes::Const>(9) }
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> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_method"))] }, input: None }]) }]
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> Function { name: Name(Text("method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, has_body: false, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Shared)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(10) }
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> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_dfl_method"))] }, input: None }]) }]
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> Function { name: Name(Text("dfl_method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, has_body: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Mut)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(11) }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct0"))] }, input: None }]) }]
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Struct { name: Name(Text("Struct0")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), fields: Unit, ast_id: FileAstId::<syntax::ast::generated::nodes::Struct>(3), kind: Unit }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct1"))] }, input: None }]) }]
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Struct { name: Name(Text("Struct1")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(2), fields: Tuple(IdRange::<hir_def::item_tree::Field>(0..1)), ast_id: FileAstId::<syntax::ast::generated::nodes::Struct>(4), kind: Tuple }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct2"))] }, input: None }]) }]
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Struct { name: Name(Text("Struct2")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(3), fields: Record(IdRange::<hir_def::item_tree::Field>(1..2)), ast_id: FileAstId::<syntax::ast::generated::nodes::Struct>(5), kind: Record }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("en"))] }, input: None }]) }]
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Enum { name: Name(Text("En")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), variants: IdRange::<hir_def::item_tree::Variant>(0..1), ast_id: FileAstId::<syntax::ast::generated::nodes::Enum>(6) }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("un"))] }, input: None }]) }]
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Union { name: Name(Text("Un")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), fields: Record(IdRange::<hir_def::item_tree::Field>(3..4)), ast_id: FileAstId::<syntax::ast::generated::nodes::Union>(7) }
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"##]],
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);
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}
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#[test]
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fn simple_inner_items() {
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check(
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r"
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impl<T:A> D for Response<T> {
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fn foo() {
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end();
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fn end<W: Write>() {
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let _x: T = loop {};
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}
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}
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}
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",
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expect![[r#"
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inner attrs: Attrs { entries: None }
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top-level items:
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Impl { generic_params: GenericParamsId(0), target_trait: Some(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("D"))] }, generic_args: [None] })), target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Response"))] }, generic_args: [Some(GenericArgs { args: [Type(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("T"))] }, generic_args: [None] }))], has_self_type: false, bindings: [] })] }), is_negative: false, items: [Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Impl>(0) }
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> Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
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inner items:
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for AST FileAstId::<syntax::ast::generated::nodes::Item>(2):
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Function { name: Name(Text("end")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
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"#]],
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);
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}
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#[test]
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fn extern_attrs() {
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check(
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r#"
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#[block_attr]
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extern "C" {
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#[attr_a]
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fn a() {}
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#[attr_b]
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fn b() {}
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}
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"#,
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expect![[r##"
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inner attrs: Attrs { entries: None }
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top-level items:
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
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Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
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Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
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"##]],
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);
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}
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#[test]
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fn trait_attrs() {
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check(
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r#"
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#[trait_attr]
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trait Tr {
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#[attr_a]
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fn a() {}
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#[attr_b]
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fn b() {}
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}
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"#,
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expect![[r##"
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inner attrs: Attrs { entries: None }
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top-level items:
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#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("trait_attr"))] }, input: None }]) }]
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Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Trait>(0) }
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> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }]) }]
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> Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
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> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
|
||||
> Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
|
||||
"##]],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn impl_attrs() {
|
||||
check(
|
||||
r#"
|
||||
#[impl_attr]
|
||||
impl Ty {
|
||||
#[attr_a]
|
||||
fn a() {}
|
||||
#[attr_b]
|
||||
fn b() {}
|
||||
}
|
||||
"#,
|
||||
expect![[r##"
|
||||
inner attrs: Attrs { entries: None }
|
||||
|
||||
top-level items:
|
||||
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("impl_attr"))] }, input: None }]) }]
|
||||
Impl { generic_params: GenericParamsId(4294967295), target_trait: None, target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Ty"))] }, generic_args: [None] }), is_negative: false, items: [Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Impl>(0) }
|
||||
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }]) }]
|
||||
> Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
|
||||
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
|
||||
> Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
|
||||
"##]],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn cursed_inner_items() {
|
||||
test_inner_items(
|
||||
r"
|
||||
struct S<T: Trait = [u8; { fn f() {} 0 }]>(T);
|
||||
|
||||
enum En {
|
||||
Var1 {
|
||||
t: [(); { trait Inner {} 0 }],
|
||||
},
|
||||
|
||||
Var2([u16; { enum Inner {} 0 }]),
|
||||
}
|
||||
|
||||
type Ty = [En; { struct Inner; 0 }];
|
||||
|
||||
impl En {
|
||||
fn assoc() {
|
||||
trait InnerTrait<T = [u8; { fn f() {} }]> {}
|
||||
struct InnerStruct<T = [u8; { fn f() {} }]> {}
|
||||
impl<T = [u8; { fn f() {} }]> InnerTrait for InnerStruct {}
|
||||
}
|
||||
}
|
||||
|
||||
trait Tr<T = [u8; { fn f() {} }]> {
|
||||
type AssocTy = [u8; { fn f() {} }];
|
||||
|
||||
const AssocConst: [u8; { fn f() {} }];
|
||||
}
|
||||
",
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn inner_item_attrs() {
|
||||
check(
|
||||
r"
|
||||
fn foo() {
|
||||
#[on_inner]
|
||||
fn inner() {}
|
||||
}
|
||||
",
|
||||
expect![[r##"
|
||||
inner attrs: Attrs { entries: None }
|
||||
|
||||
top-level items:
|
||||
Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(0) }
|
||||
|
||||
inner items:
|
||||
|
||||
for AST FileAstId::<syntax::ast::generated::nodes::Item>(1):
|
||||
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_inner"))] }, input: None }]) }]
|
||||
Function { name: Name(Text("inner")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
|
||||
|
||||
"##]],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn assoc_item_macros() {
|
||||
check(
|
||||
r"
|
||||
impl S {
|
||||
items!();
|
||||
}
|
||||
",
|
||||
expect![[r#"
|
||||
inner attrs: Attrs { entries: None }
|
||||
|
||||
top-level items:
|
||||
Impl { generic_params: GenericParamsId(4294967295), target_trait: None, target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("S"))] }, generic_args: [None] }), is_negative: false, items: [MacroCall(Idx::<MacroCall>(0))], ast_id: FileAstId::<syntax::ast::generated::nodes::Impl>(0) }
|
||||
> MacroCall { name: None, path: ModPath { kind: Plain, segments: [Name(Text("items"))] }, is_export: false, is_local_inner: false, is_builtin: false, ast_id: FileAstId::<syntax::ast::generated::nodes::MacroCall>(1) }
|
||||
"#]],
|
||||
);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user