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Fix expand macro

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This commit is contained in:
Edwin Cheng
2019-11-20 12:21:31 +08:00
parent b568bcfe6d
commit 0a9c80053f
3 changed files with 16 additions and 9 deletions
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10
crates/ra_ide_api/src/expand_macro.rs
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@@ -23,7 +23,7 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<
let mac = name_ref.syntax().ancestors().find_map(ast::MacroCall::cast)?;
let source = hir::Source::new(position.file_id.into(), mac.syntax());
let expanded = expand_macro_recur(db, source, &mac)?;
let expanded = expand_macro_recur(db, source, source.with_value(&mac))?;
// FIXME:
// macro expansion may lose all white space information
@@ -35,10 +35,10 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<
fn expand_macro_recur(
db: &RootDatabase,
source: hir::Source<&SyntaxNode>,
macro_call: &ast::MacroCall,
macro_call: hir::Source<&ast::MacroCall>,
) -> Option<SyntaxNode> {
let analyzer = hir::SourceAnalyzer::new(db, source, None);
let expansion = analyzer.expand(db, &macro_call)?;
let expansion = analyzer.expand(db, macro_call)?;
let macro_file_id = expansion.file_id();
let expanded: SyntaxNode = db.parse_or_expand(macro_file_id)?;
@@ -46,8 +46,8 @@ fn expand_macro_recur(
let mut replaces = FxHashMap::default();
for child in children.into_iter() {
let source = hir::Source::new(macro_file_id, source.value);
let new_node = expand_macro_recur(db, source, &child)?;
let node = hir::Source::new(macro_file_id, &child);
let new_node = expand_macro_recur(db, source, node)?;
replaces.insert(child.syntax().clone().into(), new_node.into());
}