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Fully remove old macro descension API

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This commit is contained in:
Lukas Wirth 2024-08-22 16:18:01 +02:00
parent 495118015e
commit 64064907ce
13 changed files with 66 additions and 103 deletions
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55
crates/ide/src/expand_macro.rs
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@ -1,4 +1,4 @@
use hir::{DescendPreference, InFile, MacroFileIdExt, Semantics};
use hir::{InFile, MacroFileIdExt, Semantics};
use ide_db::{
helpers::pick_best_token, syntax_helpers::insert_whitespace_into_node::insert_ws_into, FileId,
RootDatabase,
@ -41,37 +41,30 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<
// struct Bar;
// ```
let derive = sema
.descend_into_macros(DescendPreference::None, tok.clone())
.into_iter()
.find_map(|descended| {
let macro_file = sema.hir_file_for(&descended.parent()?).macro_file()?;
if !macro_file.is_derive_attr_pseudo_expansion(db) {
return None;
}
let derive = sema.descend_into_macros_exact(tok.clone()).into_iter().find_map(|descended| {
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::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)?;
let idx = attr
.token_tree()?
.token_trees_and_tokens()
.filter_map(NodeOrToken::into_token)
.take_while(|it| it != &token)
.filter(|it| it.kind() == T![,])
.count();
let expansion = format(
db,
SyntaxKind::MACRO_ITEMS,
position.file_id,
expansions.get(idx).cloned()?,
);
Some(ExpandedMacro { name, expansion })
});
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::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)?;
let idx = attr
.token_tree()?
.token_trees_and_tokens()
.filter_map(NodeOrToken::into_token)
.take_while(|it| it != &token)
.filter(|it| it.kind() == T![,])
.count();
let expansion =
format(db, SyntaxKind::MACRO_ITEMS, position.file_id, expansions.get(idx).cloned()?);
Some(ExpandedMacro { name, expansion })
});
if derive.is_some() {
return derive;