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Merge #5875

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5875: Remove monomorphisation from doclinks resolving code
 r=matklad a=matklad

bors r+
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Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
This commit is contained in:
bors[bot] 2020-08-25 12:59:22 +00:00 committed by GitHub
commit 81a3404d8f
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2 changed files with 43 additions and 34 deletions
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41
crates/hir/src/attrs.rs
View file

@ -1,7 +1,6 @@
//! Attributes & documentation for hir types. //! Attributes & documentation for hir types.
use hir_def::{ use hir_def::{
attr::Attrs, attr::Attrs,
db::DefDatabase,
docs::Documentation, docs::Documentation,
resolver::{HasResolver, Resolver}, resolver::{HasResolver, Resolver},
AdtId, AttrDefId, FunctionId, GenericDefId, ModuleId, StaticId, TraitId, VariantId, AdtId, AttrDefId, FunctionId, GenericDefId, ModuleId, StaticId, TraitId, VariantId,
@ -62,18 +61,20 @@ macro_rules! impl_has_attrs_adt {
impl_has_attrs_adt![Struct, Union, Enum]; impl_has_attrs_adt![Struct, Union, Enum];
impl Resolvable for ModuleDef { impl Resolvable for ModuleDef {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver> { fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver> {
Some(match self { Some(match self {
ModuleDef::Module(m) => ModuleId::from(m.clone()).resolver(db), ModuleDef::Module(m) => ModuleId::from(m.clone()).resolver(db.upcast()),
ModuleDef::Function(f) => FunctionId::from(f.clone()).resolver(db), ModuleDef::Function(f) => FunctionId::from(f.clone()).resolver(db.upcast()),
ModuleDef::Adt(adt) => AdtId::from(adt.clone()).resolver(db), ModuleDef::Adt(adt) => AdtId::from(adt.clone()).resolver(db.upcast()),
ModuleDef::EnumVariant(ev) => { ModuleDef::EnumVariant(ev) => {
GenericDefId::from(GenericDef::from(ev.clone())).resolver(db) GenericDefId::from(GenericDef::from(ev.clone())).resolver(db.upcast())
} }
ModuleDef::Const(c) => GenericDefId::from(GenericDef::from(c.clone())).resolver(db), ModuleDef::Const(c) => {
ModuleDef::Static(s) => StaticId::from(s.clone()).resolver(db), GenericDefId::from(GenericDef::from(c.clone())).resolver(db.upcast())
ModuleDef::Trait(t) => TraitId::from(t.clone()).resolver(db), }
ModuleDef::TypeAlias(t) => ModuleId::from(t.module(db)).resolver(db), ModuleDef::Static(s) => StaticId::from(s.clone()).resolver(db.upcast()),
ModuleDef::Trait(t) => TraitId::from(t.clone()).resolver(db.upcast()),
ModuleDef::TypeAlias(t) => ModuleId::from(t.module(db)).resolver(db.upcast()),
// FIXME: This should be a resolver relative to `std/core` // FIXME: This should be a resolver relative to `std/core`
ModuleDef::BuiltinType(_t) => None?, ModuleDef::BuiltinType(_t) => None?,
}) })
@ -85,8 +86,8 @@ impl Resolvable for ModuleDef {
} }
impl Resolvable for TypeParam { impl Resolvable for TypeParam {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver> { fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver> {
Some(ModuleId::from(self.module(db)).resolver(db)) Some(ModuleId::from(self.module(db)).resolver(db.upcast()))
} }
fn try_into_module_def(self) -> Option<ModuleDef> { fn try_into_module_def(self) -> Option<ModuleDef> {
@ -95,8 +96,8 @@ impl Resolvable for TypeParam {
} }
impl Resolvable for MacroDef { impl Resolvable for MacroDef {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver> { fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver> {
Some(ModuleId::from(self.module(db)?).resolver(db)) Some(ModuleId::from(self.module(db)?).resolver(db.upcast()))
} }
fn try_into_module_def(self) -> Option<ModuleDef> { fn try_into_module_def(self) -> Option<ModuleDef> {
@ -105,8 +106,8 @@ impl Resolvable for MacroDef {
} }
impl Resolvable for Field { impl Resolvable for Field {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver> { fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver> {
Some(VariantId::from(self.parent_def(db)).resolver(db)) Some(VariantId::from(self.parent_def(db)).resolver(db.upcast()))
} }
fn try_into_module_def(self) -> Option<ModuleDef> { fn try_into_module_def(self) -> Option<ModuleDef> {
@ -115,8 +116,8 @@ impl Resolvable for Field {
} }
impl Resolvable for ImplDef { impl Resolvable for ImplDef {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver> { fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver> {
Some(ModuleId::from(self.module(db)).resolver(db)) Some(ModuleId::from(self.module(db)).resolver(db.upcast()))
} }
fn try_into_module_def(self) -> Option<ModuleDef> { fn try_into_module_def(self) -> Option<ModuleDef> {
@ -125,8 +126,8 @@ impl Resolvable for ImplDef {
} }
impl Resolvable for Local { impl Resolvable for Local {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver> { fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver> {
Some(ModuleId::from(self.module(db)).resolver(db)) Some(ModuleId::from(self.module(db)).resolver(db.upcast()))
} }
fn try_into_module_def(self) -> Option<ModuleDef> { fn try_into_module_def(self) -> Option<ModuleDef> {

36
crates/hir/src/doc_links.rs
View file

@ -2,22 +2,33 @@
use std::iter::once; use std::iter::once;
use hir_def::{db::DefDatabase, resolver::Resolver}; use hir_def::resolver::Resolver;
use itertools::Itertools; use itertools::Itertools;
use syntax::ast::Path; use syntax::ast::Path;
use url::Url; use url::Url;
use crate::{db::HirDatabase, Adt, AsName, Crate, Hygiene, ItemInNs, ModPath, ModuleDef}; use crate::{db::HirDatabase, Adt, AsName, Crate, Hygiene, ItemInNs, ModPath, ModuleDef};
pub fn resolve_doc_link<T: Resolvable + Clone, D: DefDatabase + HirDatabase>( pub fn resolve_doc_link<T: Resolvable + Clone>(
db: &D, db: &dyn HirDatabase,
definition: &T, definition: &T,
link_text: &str, link_text: &str,
link_target: &str, link_target: &str,
) -> Option<(String, String)> { ) -> Option<(String, String)> {
try_resolve_intra(db, definition, link_text, &link_target).or_else(|| { let resolver = definition.resolver(db)?;
let definition = definition.clone().try_into_module_def()?; let module_def = definition.clone().try_into_module_def();
try_resolve_path(db, &definition, &link_target) resolve_doc_link_impl(db, &resolver, module_def, link_text, link_target)
}
fn resolve_doc_link_impl(
db: &dyn HirDatabase,
resolver: &Resolver,
module_def: Option<ModuleDef>,
link_text: &str,
link_target: &str,
) -> Option<(String, String)> {
try_resolve_intra(db, &resolver, link_text, &link_target).or_else(|| {
try_resolve_path(db, &module_def?, &link_target)
.map(|target| (target, link_text.to_string())) .map(|target| (target, link_text.to_string()))
}) })
} }
@ -25,9 +36,9 @@ pub fn resolve_doc_link<T: Resolvable + Clone, D: DefDatabase + HirDatabase>(
/// Try to resolve path to local documentation via intra-doc-links (i.e. `super::gateway::Shard`). /// Try to resolve path to local documentation via intra-doc-links (i.e. `super::gateway::Shard`).
/// ///
/// See [RFC1946](https://github.com/rust-lang/rfcs/blob/master/text/1946-intra-rustdoc-links.md). /// See [RFC1946](https://github.com/rust-lang/rfcs/blob/master/text/1946-intra-rustdoc-links.md).
fn try_resolve_intra<T: Resolvable, D: DefDatabase + HirDatabase>( fn try_resolve_intra(
db: &D, db: &dyn HirDatabase,
definition: &T, resolver: &Resolver,
link_text: &str, link_text: &str,
link_target: &str, link_target: &str,
) -> Option<(String, String)> { ) -> Option<(String, String)> {
@ -41,10 +52,7 @@ fn try_resolve_intra<T: Resolvable, D: DefDatabase + HirDatabase>(
let path = Path::parse(doclink.path).ok()?; let path = Path::parse(doclink.path).ok()?;
let modpath = ModPath::from_src(path, &Hygiene::new_unhygienic()).unwrap(); let modpath = ModPath::from_src(path, &Hygiene::new_unhygienic()).unwrap();
// Resolve it relative to symbol's location (according to the RFC this should consider small scopes) let resolved = resolver.resolve_module_path_in_items(db.upcast(), &modpath);
let resolver = definition.resolver(db)?;
let resolved = resolver.resolve_module_path_in_items(db, &modpath);
let (defid, namespace) = match doclink.namespace { let (defid, namespace) = match doclink.namespace {
// FIXME: .or(resolved.macros) // FIXME: .or(resolved.macros)
None => resolved None => resolved
@ -225,6 +233,6 @@ impl Namespace {
/// Sealed trait used solely for the generic bound on [`resolve_doc_link`]. /// Sealed trait used solely for the generic bound on [`resolve_doc_link`].
pub trait Resolvable { pub trait Resolvable {
fn resolver<D: DefDatabase + HirDatabase>(&self, db: &D) -> Option<Resolver>; fn resolver(&self, db: &dyn HirDatabase) -> Option<Resolver>;
fn try_into_module_def(self) -> Option<ModuleDef>; fn try_into_module_def(self) -> Option<ModuleDef>;
} }