WIP: R LSP

backend/src/langs.ts

@@ -1872,6 +1872,9 @@ main = do
     scope: {
       code: `x = 123 * 234`,
     },
+    lsp: {
+      start: `R --slave -e "languageserver::run()"`,
+    },
     template: `print("Hello, world!")
 `,
   },

scripts/docker-install-phase3c.bash

@@ -66,6 +66,8 @@ python3-pip
 python3-venv
 
 # R
+libcurl4-openssl-dev
+libxml2-dev
 r-base
 
 # Racket

scripts/docker-install-phase5.bash

@@ -89,6 +89,9 @@ npm install -g purescript spago
 # Python
 pip3 install black
 
+# R
+R -e 'install.packages("languageserver")'
+
 # ReasonML
 npm install -g bs-platform
 opam install -y reason