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Minor cleanup

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This commit is contained in:
Aleksey Kladov 2020-03-04 14:39:51 +01:00
parent f57682c0b3
commit c21babc58b
1 changed files with 14 additions and 16 deletions
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30
crates/ra_hir/src/source_analyzer.rs
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@ -110,20 +110,16 @@ impl SourceAnalyzer {
fn expand_expr(
&self,
db: &impl HirDatabase,
expr: InFile<&ast::Expr>,
expr: InFile<ast::MacroCall>,
) -> Option<InFile<ast::Expr>> {
let macro_call = ast::MacroCall::cast(expr.value.syntax().clone())?;
let macro_file =
self.body_source_map.as_ref()?.node_macro_file(expr.with_value(&macro_call))?;
let macro_file = self.body_source_map.as_ref()?.node_macro_file(expr.as_ref())?;
let expanded = db.parse_or_expand(macro_file)?;
let kind = expanded.kind();
let expr = InFile::new(macro_file, ast::Expr::cast(expanded)?);
if ast::MacroCall::can_cast(kind) {
self.expand_expr(db, expr.as_ref())
} else {
Some(expr)
}
let res = match ast::MacroCall::cast(expanded.clone()) {
Some(call) => self.expand_expr(db, InFile::new(macro_file, call))?,
_ => InFile::new(macro_file, ast::Expr::cast(expanded)?),
};
Some(res)
}
fn trait_env(&self, db: &impl HirDatabase) -> Arc<TraitEnvironment> {
@ -131,11 +127,13 @@ impl SourceAnalyzer {
}
pub(crate) fn type_of(&self, db: &impl HirDatabase, expr: &ast::Expr) -> Option<Type> {
let expr_id = if let Some(expr) = self.expand_expr(db, InFile::new(self.file_id, expr)) {
self.body_source_map.as_ref()?.node_expr(expr.as_ref())?
} else {
self.expr_id(expr)?
};
let expr_id = match expr {
ast::Expr::MacroCall(call) => {
let expr = self.expand_expr(db, InFile::new(self.file_id, call.clone()))?;
self.body_source_map.as_ref()?.node_expr(expr.as_ref())
}
_ => self.expr_id(expr),
}?;
let ty = self.infer.as_ref()?[expr_id].clone();
let environment = self.trait_env(db);