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Track source of type parameters

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This commit is contained in:
Aleksey Kladov 2019-12-07 18:24:52 +01:00
parent d75f768c13
commit dda9587e75
2 changed files with 82 additions and 23 deletions
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12
crates/ra_hir/src/code_model/src.rs
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@ -9,8 +9,8 @@ use hir_def::{
use ra_syntax::ast;
use crate::{
db::DefDatabase, Const, Enum, EnumVariant, FieldSource, Function, ImplBlock, Import, MacroDef,
Module, Static, Struct, StructField, Trait, TypeAlias, Union,
db::DefDatabase, Const, Enum, EnumVariant, FieldSource, Function, GenericParam, ImplBlock,
Import, MacroDef, Module, Static, Struct, StructField, Trait, TypeAlias, Union,
};
pub use hir_expand::InFile;
@ -129,3 +129,11 @@ impl HasSource for Import {
src.with_value(ptr.map_left(|it| it.to_node(&root)).map_right(|it| it.to_node(&root)))
}
}
impl HasSource for GenericParam {
type Ast = Either<ast::TraitDef, ast::TypeParam>;
fn source(self, db: &impl DefDatabase) -> InFile<Self::Ast> {
let child_source = self.id.parent.child_source(db);
child_source.map(|it| it[self.id.local_id].clone())
}
}