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Use generic_defaults and display_source_code

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Fedor Sakharov 2020-05-14 09:56:20 +03:00
parent 00f3b6c59a
commit a55ad20388
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GPG key ID: 93D436E666BF0FEE
4 changed files with 16 additions and 14 deletions
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1
Cargo.lock generated
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@ -936,7 +936,6 @@ dependencies = [
"ra_db",
"ra_fmt",
"ra_hir",
"ra_hir_def",
"ra_ide_db",
"ra_prof",
"ra_syntax",

1
crates/ra_assists/Cargo.toml
View file

@ -21,5 +21,4 @@ ra_prof = { path = "../ra_prof" }
ra_db = { path = "../ra_db" }
ra_ide_db = { path = "../ra_ide_db" }
hir = { path = "../ra_hir", package = "ra_hir" }
hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
test_utils = { path = "../test_utils" }

19
crates/ra_assists/src/ast_transform.rs
View file

@ -1,8 +1,7 @@
//! `AstTransformer`s are functions that replace nodes in an AST and can be easily combined.
use rustc_hash::FxHashMap;
use hir::{PathResolution, SemanticsScope};
use hir_def::type_ref::TypeRef;
use hir::{HirDisplay, PathResolution, SemanticsScope};
use ra_ide_db::RootDatabase;
use ra_syntax::{
algo::SyntaxRewriter,
@ -61,14 +60,18 @@ impl<'a> SubstituteTypeParams<'a> {
.zip(substs.into_iter().map(Some).chain(std::iter::repeat(None)))
.filter_map(|(k, v)| match v {
Some(v) => Some((k, v)),
None => match k.default(source_scope.db)? {
TypeRef::Path(path) => Some((
None => {
let default = k.default(source_scope.db)?;
Some((
k,
ast::make::type_arg(&format!("{}", path.mod_path().as_ident()?))
ast::make::type_arg(
&default
.display_source_code(source_scope.db, source_scope.module()?.into())
.ok()?,
)
.type_ref()?,
)),
_ => None,
},
))
}
})
.collect();
return SubstituteTypeParams {

7
crates/ra_hir/src/code_model.rs
View file

@ -990,9 +990,10 @@ impl TypeParam {
}
}
pub fn default(self, db: &dyn HirDatabase) -> Option<TypeRef> {
let params = db.generic_params(self.id.parent);
params.types[self.id.local_id].default.clone()
pub fn default(self, db: &dyn HirDatabase) -> Option<Ty> {
let params = db.generic_defaults(self.id.parent);
let local_idx: u32 = self.id.local_id.into_raw().into();
params.get(local_idx as usize).map(|d| d.clone())
}
}