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Make tt generic over the span data

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This commit is contained in:
Lukas Wirth 2023-01-31 11:49:49 +01:00
parent d805c74c51
commit 41a46a78f2
48 changed files with 806 additions and 569 deletions
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9
crates/base-db/src/fixture.rs
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@ -6,7 +6,7 @@ use rustc_hash::FxHashMap;
use test_utils::{
extract_range_or_offset, Fixture, RangeOrOffset, CURSOR_MARKER, ESCAPED_CURSOR_MARKER,
};
use tt::Subtree;
use tt::token_id::Subtree;
use vfs::{file_set::FileSet, VfsPath};
use crate::{
@ -495,16 +495,15 @@ impl ProcMacroExpander for MirrorProcMacroExpander {
_: &Env,
) -> Result<Subtree, ProcMacroExpansionError> {
fn traverse(input: &Subtree) -> Subtree {
let mut res = Subtree::default();
res.delimiter = input.delimiter;
let mut token_trees = vec![];
for tt in input.token_trees.iter().rev() {
let tt = match tt {
tt::TokenTree::Leaf(leaf) => tt::TokenTree::Leaf(leaf.clone()),
tt::TokenTree::Subtree(sub) => tt::TokenTree::Subtree(traverse(sub)),
};
res.token_trees.push(tt);
token_trees.push(tt);
}
res
Subtree { delimiter: input.delimiter, token_trees }
}
Ok(traverse(input))
}