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Move is_inside_unsafe to Semantics impl

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This commit is contained in:
Maybe Waffle 2022-12-21 20:34:49 +00:00
parent 3bfe7040e8
commit 608dc492ea
3 changed files with 74 additions and 73 deletions
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67
crates/ide/src/inlay_hints/adjustment.rs
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@ -3,17 +3,9 @@
//! let _: u32 = /* <never-to-any> */ loop {};
//! let _: &u32 = /* &* */ &mut 0;
//! ```
use either::Either;
use hir::{
db::DefDatabase, Adjust, AutoBorrow, InFile, Mutability, OverloadedDeref, PointerCast, Safety,
Semantics,
};
use hir::{Adjust, AutoBorrow, Mutability, OverloadedDeref, PointerCast, Safety, Semantics};
use ide_db::RootDatabase;
use syntax::{
ast::{self, AstNode},
SyntaxNode,
};
use syntax::ast::{self, AstNode};
use crate::{AdjustmentHints, InlayHint, InlayHintsConfig, InlayKind};
@ -23,7 +15,7 @@ pub(super) fn hints(
config: &InlayHintsConfig,
expr: &ast::Expr,
) -> Option<()> {
if config.adjustment_hints_hide_outside_unsafe && !is_inside_unsafe(sema, expr.syntax()) {
if config.adjustment_hints_hide_outside_unsafe && !sema.is_inside_unsafe(expr.syntax()) {
return None;
}
@ -121,59 +113,6 @@ pub(super) fn hints(
Some(())
}
fn is_inside_unsafe(sema: &Semantics<'_, RootDatabase>, node: &SyntaxNode) -> bool {
let item_or_variant = |ancestor: SyntaxNode| {
if ast::Item::can_cast(ancestor.kind()) {
ast::Item::cast(ancestor).map(Either::Left)
} else {
ast::Variant::cast(ancestor).map(Either::Right)
}
};
let Some(enclosing_item) = node.ancestors().find_map(item_or_variant) else { return false };
let def = match &enclosing_item {
Either::Left(ast::Item::Fn(it)) => {
sema.to_def(it).map(<_>::into).map(hir::DefWithBodyId::FunctionId)
}
Either::Left(ast::Item::Const(it)) => {
sema.to_def(it).map(<_>::into).map(hir::DefWithBodyId::ConstId)
}
Either::Left(ast::Item::Static(it)) => {
sema.to_def(it).map(<_>::into).map(hir::DefWithBodyId::StaticId)
}
Either::Left(_) => None,
Either::Right(it) => sema.to_def(it).map(<_>::into).map(hir::DefWithBodyId::VariantId),
};
let Some(def) = def else { return false };
let enclosing_node = enclosing_item.as_ref().either(|i| i.syntax(), |v| v.syntax());
if ast::Fn::cast(enclosing_node.clone()).and_then(|f| f.unsafe_token()).is_some() {
return true;
}
let (body, source_map) = sema.db.body_with_source_map(def);
let file_id = sema.hir_file_for(node);
let Some(mut parent) = node.parent() else { return false };
loop {
if &parent == enclosing_node {
break false;
}
if let Some(parent) = ast::Expr::cast(parent.clone()) {
if let Some(expr_id) = source_map.node_expr(InFile { file_id, value: &parent }) {
if let hir::Expr::Unsafe { .. } = body[expr_id] {
break true;
}
}
}
let Some(parent_) = parent.parent() else { break false };
parent = parent_;
}
}
#[cfg(test)]
mod tests {
use crate::{