Merge #3958

3958: Add proc-macro related config and tests r=matklad a=edwin0cheng

This PR do the following things:

1. Add cli argument `proc-macro` for running proc-macro server.
2. Added support for proc-macro in bench and analysis-stats
3. Added typescript config for proc-macros
4. Added an heavy test for proc-macros. 

To test it out: 

1. run `cargo xtask install --proc-macro`
2. add `"rust-analyzer.cargo.loadOutDirsFromCheck": true"` and `"rust-analyzer.procMacro.enabled": true"` in vs code config.

[Edit] Change to use `rust-analyzer proc-macro` for running proc-macro standalone process.

Co-authored-by: Edwin Cheng <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 2a12d9f5b..89a734c9b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1341,6 +1341,7 @@ dependencies = [
  "ra_hir_def",
  "ra_hir_ty",
  "ra_ide",
+ "ra_proc_macro_srv",
  "ra_prof",
  "ra_project_model",
  "ra_syntax",