commit b809745fe73f0462ab2f76be8e47f94b40112807
author Adam Snaider <adsnaider@gmail.com> Mon Jul 10 23:18:26 2023 -0400
committer Adam Snaider <adsnaider@gmail.com> Sun Aug 06 16:36:23 2023 -0700
tree 85f2cdae0797f0cdbef74de52053633940742dba
parent b78a2430acd5a8e978da49197cb77792da15ebad

Add rust LSP utilities

Added the rust analyzer rules needed to generate a rust-project.json.
Once generated, this will be picked up by the rust analyzer server to
provide better language server features.
To generate it you can `bazel run //tools:gen_rust_project`

Change-Id: I5b05fa6f891ac3710b6f60d98e8be792db740a47
Signed-off-by: Adam Snaider <adsnaider@gmail.com>

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 51f9c8f..f65e4ee 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -1089,7 +1089,9 @@
     path = "third_party/rules_rust",
 )
 
-load("@rules_rust//rust:repositories.bzl", "rust_repository_set")
+load("@rules_rust//rust:repositories.bzl", "rust_analyzer_toolchain_repository", "rust_repository_set")
+
+RUST_VERSION = "1.70.0"
 
 rust_repository_set(
     name = "rust",
@@ -1102,8 +1104,8 @@
         "aarch64-unknown-linux-gnu",
     ],
     register_toolchain = False,
-    rustfmt_version = "1.70.0",
-    versions = ["1.70.0"],
+    rustfmt_version = RUST_VERSION,
+    versions = [RUST_VERSION],
 )
 
 load("@rules_rust//crate_universe:repositories.bzl", "crate_universe_dependencies")
@@ -1157,7 +1159,7 @@
     ],
     rust_toolchain_cargo_template = "@rust__{triple}__{channel}_tools//:bin/{tool}",
     rust_toolchain_rustc_template = "@rust__{triple}__{channel}_tools//:bin/{tool}",
-    rust_version = "1.70.0",
+    rust_version = RUST_VERSION,
     supported_platform_triples = [
         "x86_64-unknown-linux-gnu",
         "arm-unknown-linux-gnueabi",
@@ -1170,6 +1172,15 @@
 
 crate_repositories()
 
+load("@rules_rust//tools/rust_analyzer:deps.bzl", "rust_analyzer_dependencies")
+
+rust_analyzer_dependencies()
+
+register_toolchains(rust_analyzer_toolchain_repository(
+    name = "rust_analyzer_toolchain",
+    version = RUST_VERSION,
+))
+
 http_archive(
     name = "cxxbridge-cmd",
     build_file = "//third_party/cargo:cxxbridge-cmd/include.BUILD.bazel",