internal: Fix rustdoc warnings

`cargo doc` generates a bunch of warnings on rust-analyzer. Fix all the
bare URL and empty code block warnings.

crates/hir-def/src/hir.rs

@@ -503,11 +503,11 @@ impl BindingAnnotation {
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub enum BindingProblems {
-    /// https://doc.rust-lang.org/stable/error_codes/E0416.html
+    /// <https://doc.rust-lang.org/stable/error_codes/E0416.html>
     BoundMoreThanOnce,
-    /// https://doc.rust-lang.org/stable/error_codes/E0409.html
+    /// <https://doc.rust-lang.org/stable/error_codes/E0409.html>
     BoundInconsistently,
-    /// https://doc.rust-lang.org/stable/error_codes/E0408.html
+    /// <https://doc.rust-lang.org/stable/error_codes/E0408.html>
     NotBoundAcrossAll,
 }
 

crates/hir-def/src/nameres.rs

@@ -16,8 +16,8 @@
 //!
 //! This happens in the `raw` module, which parses a single source file into a
 //! set of top-level items. Nested imports are desugared to flat imports in this
-//! phase. Macro calls are represented as a triple of (Path, Option<Name>,
-//! TokenTree).
+//! phase. Macro calls are represented as a triple of `(Path, Option<Name>,
+//! TokenTree)`.
 //!
 //! ## Collecting Modules
 //!

crates/hir-expand/src/hygiene.rs

@@ -4,7 +4,7 @@
 //! Expansion, and Definition Contexts,” *Journal of Functional Programming* 22, no. 2
 //! (March 1, 2012): 181–216, <https://doi.org/10.1017/S0956796812000093>.
 //!
-//! Also see https://rustc-dev-guide.rust-lang.org/macro-expansion.html#hygiene-and-hierarchies
+//! Also see <https://rustc-dev-guide.rust-lang.org/macro-expansion.html#hygiene-and-hierarchies>
 //!
 //! # The Expansion Order Hierarchy
 //!

crates/hir/src/has_source.rs

@@ -26,7 +26,7 @@ pub trait HasSource {
     ///
     /// The current some implementations can return `InFile` instead of `Option<InFile>`.
     /// But we made this method `Option` to support rlib in the future
-    /// by https://github.com/rust-lang/rust-analyzer/issues/6913
+    /// by <https://github.com/rust-lang/rust-analyzer/issues/6913>
     fn source(self, db: &dyn HirDatabase) -> Option<InFile<Self::Ast>>;
 }
 

crates/hir/src/semantics/source_to_def.rs

@@ -26,19 +26,19 @@
 //!
 //! The actual algorithm to resolve syntax to def is curious in two aspects:
 //!
-//!     * It is recursive
-//!     * It uses the inverse algorithm (what is the syntax for this def?)
+//! * It is recursive
+//! * It uses the inverse algorithm (what is the syntax for this def?)
 //!
 //! Specifically, the algorithm goes like this:
 //!
-//!     1. Find the syntactic container for the syntax. For example, field's
-//!        container is the struct, and structs container is a module.
-//!     2. Recursively get the def corresponding to container.
-//!     3. Ask the container def for all child defs. These child defs contain
-//!        the answer and answer's siblings.
-//!     4. For each child def, ask for it's source.
-//!     5. The child def whose source is the syntax node we've started with
-//!        is the answer.
+//! 1. Find the syntactic container for the syntax. For example, field's
+//!    container is the struct, and structs container is a module.
+//! 2. Recursively get the def corresponding to container.
+//! 3. Ask the container def for all child defs. These child defs contain
+//!    the answer and answer's siblings.
+//! 4. For each child def, ask for it's source.
+//! 5. The child def whose source is the syntax node we've started with
+//!    is the answer.
 //!
 //! It's interesting that both Roslyn and Kotlin contain very similar code
 //! shape.

crates/ide-completion/src/completions/env_vars.rs

@@ -1,4 +1,5 @@
-//! Completes environment variables defined by Cargo (https://doc.rust-lang.org/cargo/reference/environment-variables.html)
+//! Completes environment variables defined by Cargo
+//! (<https://doc.rust-lang.org/cargo/reference/environment-variables.html>)
 use hir::MacroFileIdExt;
 use ide_db::syntax_helpers::node_ext::macro_call_for_string_token;
 use syntax::{

crates/ide-db/src/famous_defs.rs

@@ -15,7 +15,7 @@ use crate::RootDatabase;
 /// you'd want to include minicore (see `test_utils::MiniCore`) declaration at
 /// the start of your tests:
 ///
-/// ```
+/// ```text
 /// //- minicore: iterator, ord, derive
 /// ```
 pub struct FamousDefs<'a, 'b>(pub &'a Semantics<'b, RootDatabase>, pub Crate);

crates/parser/src/grammar.rs

@@ -13,7 +13,7 @@
 //! Code in this module also contains inline tests, which start with
 //! `// test name-of-the-test` comment and look like this:
 //!
-//! ```
+//! ```text
 //! // test function_with_zero_parameters
 //! // fn foo() {}
 //! ```

crates/rust-analyzer/src/tracing/hprof.rs

@@ -1,8 +1,8 @@
 //! Consumer of `tracing` data, which prints a hierarchical profile.
 //!
-//! Based on https://github.com/davidbarsky/tracing-tree, but does less, while
+//! Based on <https://github.com/davidbarsky/tracing-tree>, but does less, while
 //! actually printing timings for spans by default. The code here is vendored from
-//! https://github.com/matklad/tracing-span-tree.
+//! <https://github.com/matklad/tracing-span-tree>.
 //!
 //! Usage:
 //!

crates/salsa/src/lib.rs

@@ -284,7 +284,7 @@ pub trait ParallelDatabase: Database + Send {
     /// series of queries in parallel and arranging the results. Using
     /// this method for that purpose ensures that those queries will
     /// see a consistent view of the database (it is also advisable
-    /// for those queries to use the [`Runtime::unwind_if_cancelled`]
+    /// for those queries to use the [`Database::unwind_if_cancelled`]
     /// method to check for cancellation).
     ///
     /// # Panics

crates/span/src/hygiene.rs

@@ -4,7 +4,7 @@
 //! Expansion, and Definition Contexts,” *Journal of Functional Programming* 22, no. 2
 //! (March 1, 2012): 181–216, <https://doi.org/10.1017/S0956796812000093>.
 //!
-//! Also see https://rustc-dev-guide.rust-lang.org/macro-expansion.html#hygiene-and-hierarchies
+//! Also see <https://rustc-dev-guide.rust-lang.org/macro-expansion.html#hygiene-and-hierarchies>
 //!
 //! # The Expansion Order Hierarchy
 //!

crates/stdx/src/anymap.rs

@@ -1,6 +1,6 @@
-//! This file is a port of only the necessary features from https://github.com/chris-morgan/anymap version 1.0.0-beta.2 for use within rust-analyzer.
+//! This file is a port of only the necessary features from <https://github.com/chris-morgan/anymap> version 1.0.0-beta.2 for use within rust-analyzer.
 //! Copyright © 2014–2022 Chris Morgan.
-//! COPYING: https://github.com/chris-morgan/anymap/blob/master/COPYING
+//! COPYING: <https://github.com/chris-morgan/anymap/blob/master/COPYING>
 //! Note that the license is changed from Blue Oak Model 1.0.0 or MIT or Apache-2.0 to MIT OR Apache-2.0
 //!
 //! This implementation provides a safe and convenient store for one value of each type.

crates/test-utils/src/fixture.rs

@@ -143,14 +143,14 @@ pub struct FixtureWithProjectMeta {
     /// Specifies LLVM data layout to be used.
     ///
     /// You probably don't want to manually specify this. See LLVM manual for the
-    /// syntax, if you must: https://llvm.org/docs/LangRef.html#data-layout
+    /// syntax, if you must: <https://llvm.org/docs/LangRef.html#data-layout>
     pub target_data_layout: String,
 }
 
 impl FixtureWithProjectMeta {
     /// Parses text which looks like this:
     ///
-    ///  ```not_rust
+    ///  ```text
     ///  //- some meta
     ///  line 1
     ///  line 2
@@ -159,7 +159,7 @@ impl FixtureWithProjectMeta {
     ///
     /// Fixture can also start with a proc_macros and minicore declaration (in that order):
     ///
-    /// ```
+    /// ```text
     /// //- toolchain: nightly
     /// //- proc_macros: identity
     /// //- minicore: sized

crates/test-utils/src/lib.rs

@@ -224,7 +224,7 @@ pub fn add_cursor(text: &str, offset: TextSize) -> String {
 /// Annotations point to the last line that actually was long enough for the
 /// range, not counting annotations themselves. So overlapping annotations are
 /// possible:
-/// ```no_run
+/// ```text
 /// // stuff        other stuff
 /// // ^^ 'st'
 /// // ^^^^^ 'stuff'

crates/toolchain/src/lib.rs

@@ -23,7 +23,7 @@ impl Tool {
     ///
     /// The current implementation checks three places for an executable to use:
     /// 1) `$CARGO_HOME/bin/<executable_name>`
-    ///      where $CARGO_HOME defaults to ~/.cargo (see https://doc.rust-lang.org/cargo/guide/cargo-home.html)
+    ///      where $CARGO_HOME defaults to ~/.cargo (see <https://doc.rust-lang.org/cargo/guide/cargo-home.html>)
     ///      example: for cargo, this tries $CARGO_HOME/bin/cargo, or ~/.cargo/bin/cargo if $CARGO_HOME is unset.
     ///      It seems that this is a reasonable place to try for cargo, rustc, and rustup
     /// 2) Appropriate environment variable (erroring if this is set but not a usable executable)
@@ -45,7 +45,7 @@ impl Tool {
     ///      example: for cargo, this tries all paths in $PATH with appended `cargo`, returning the
     ///      first that exists
     /// 3) `$CARGO_HOME/bin/<executable_name>`
-    ///      where $CARGO_HOME defaults to ~/.cargo (see https://doc.rust-lang.org/cargo/guide/cargo-home.html)
+    ///      where $CARGO_HOME defaults to ~/.cargo (see <https://doc.rust-lang.org/cargo/guide/cargo-home.html>)
     ///      example: for cargo, this tries $CARGO_HOME/bin/cargo, or ~/.cargo/bin/cargo if $CARGO_HOME is unset.
     ///      It seems that this is a reasonable place to try for cargo, rustc, and rustup
     /// 4) If all else fails, we just try to use the executable name directly