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Refactor a bit

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This commit is contained in:
Edwin Cheng 2019-11-05 03:20:54 +08:00
parent 604bdc6ffe
commit 2a76bb5a0b
2 changed files with 7 additions and 11 deletions
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3
crates/ra_hir_expand/src/db.rs
View File

@ -151,8 +151,7 @@ pub(crate) fn parse_macro_with_info(
let arg_start = arg_tt.map(|t| t.syntax().text_range().start());
let def_start = def_tt.map(|t| t.syntax().text_range().start());
let macro_rules = db.macro_def(loc.def).ok_or("Fail to find macro definition").ok()?.0;
let shift = macro_rules.shift();
let shift = db.macro_def(loc.def)?.0.shift();
let arg_map = arg_start
.map(|start| exp_map.map_ranges(&expand_info.arg_map, start, shift))

15
crates/ra_mbe/src/syntax_bridge.rs
View File

@ -133,7 +133,7 @@ impl TokenMap {
}
impl ExpandedRangeMap {
fn set(&mut self, relative_range: TextRange, token_id: &tt::TokenId) {
fn add(&mut self, relative_range: TextRange, token_id: &tt::TokenId) {
self.ranges.push((relative_range, token_id.clone()))
}
@ -145,13 +145,11 @@ impl ExpandedRangeMap {
) -> Vec<(TextRange, TextRange)> {
self.ranges
.iter()
.filter_map(|(r, tid)| if shift <= tid.0 { Some((r, tid.0 - shift)) } else { None })
.filter_map(|(r, tid)| {
if let Some(to_range) = to.relative_range_of(tt::TokenId(tid)) {
Some((*r, TextRange::from_to(to_range.start() + start, to_range.end() + start)))
} else {
None
}
let adjusted_id = tt::TokenId(tid.0.checked_sub(shift)?);
let to_range = to.relative_range_of(adjusted_id)?;
Some((*r, TextRange::offset_len(to_range.start() + start, to_range.len())))
})
.collect()
}
@ -361,8 +359,7 @@ impl<'a> TreeSink for TtTreeSink<'a> {
self.text_pos + TextUnit::of_str(&self.buf),
TextUnit::of_str(&ident.text),
);
let token_id = ident.id;
self.range_map.set(range, &token_id);
self.range_map.add(range, &ident.id);
}
}