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Simplify

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This commit is contained in:
Lukas Wirth 2023-12-06 14:36:39 +01:00
parent 9cb13b6efb
commit 634d588fd7
13 changed files with 137 additions and 176 deletions
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8
crates/ide/src/expand_macro.rs
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@ -1,4 +1,4 @@
use hir::{DescendPreference, HirFileIdExt, InFile, Semantics};
use hir::{DescendPreference, InFile, MacroFileIdExt, Semantics};
use ide_db::{
base_db::FileId, helpers::pick_best_token,
syntax_helpers::insert_whitespace_into_node::insert_ws_into, RootDatabase,
@ -44,15 +44,15 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<
.descend_into_macros(DescendPreference::None, tok.clone())
.into_iter()
.find_map(|descended| {
let hir_file = sema.hir_file_for(&descended.parent()?);
if !hir_file.is_derive_attr_pseudo_expansion(db) {
let macro_file = sema.hir_file_for(&descended.parent()?).macro_file()?;
if !macro_file.is_derive_attr_pseudo_expansion(db) {
return None;
}
let name = descended.parent_ancestors().filter_map(ast::Path::cast).last()?.to_string();
// up map out of the #[derive] expansion
let InFile { file_id, value: tokens } =
hir::InFile::new(hir_file, descended).upmap_once(db)?;
hir::InMacroFile::new(macro_file, descended).upmap_once(db);
let token = sema.parse_or_expand(file_id).covering_element(tokens[0]).into_token()?;
let attr = token.parent_ancestors().find_map(ast::Attr::cast)?;
let expansions = sema.expand_derive_macro(&attr)?;