37 lines
923 B
Rust
37 lines
923 B
Rust
//! Utilities for mapping between hir IDs and the surface syntax.
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use hir_expand::InFile;
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use ra_arena::map::ArenaMap;
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use ra_syntax::AstNode;
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use crate::{db::DefDatabase, AssocItemLoc, ItemLoc};
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pub trait HasSource {
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type Value;
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fn source(&self, db: &impl DefDatabase) -> InFile<Self::Value>;
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}
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impl<N: AstNode> HasSource for AssocItemLoc<N> {
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type Value = N;
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fn source(&self, db: &impl DefDatabase) -> InFile<N> {
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let node = self.ast_id.to_node(db);
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InFile::new(self.ast_id.file_id, node)
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}
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}
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impl<N: AstNode> HasSource for ItemLoc<N> {
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type Value = N;
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fn source(&self, db: &impl DefDatabase) -> InFile<N> {
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let node = self.ast_id.to_node(db);
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InFile::new(self.ast_id.file_id, node)
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}
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}
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pub trait HasChildSource {
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type ChildId;
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type Value;
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fn child_source(&self, db: &impl DefDatabase) -> InFile<ArenaMap<Self::ChildId, Self::Value>>;
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}
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