add hcl parser

README.md

@@ -161,6 +161,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [gomod](https://github.com/camdencheek/tree-sitter-go-mod) (maintained by @camdencheek)
 - [x] [graphql](https://github.com/bkegley/tree-sitter-graphql) (maintained by @bkegley)
 - [ ] [haskell](https://github.com/tree-sitter/tree-sitter-haskell)
+- [x] [hcl](https://github.com/MichaHoffmann/tree-sitter-hcl) (maintained by @MichaHoffmann)
 - [x] [html](https://github.com/tree-sitter/tree-sitter-html) (maintained by @TravonteD)
 - [x] [java](https://github.com/tree-sitter/tree-sitter-java) (maintained by @p00f)
 - [x] [javascript](https://github.com/tree-sitter/tree-sitter-javascript) (maintained by @steelsojka)

lockfile.json

@@ -77,6 +77,9 @@
   "haskell": {
     "revision": "a0c1adb59e390f7d839a146c57fdb33d36ed97e6"
   },
+  "hcl": {
+    "revision": "7d8ecd053a11274a15b0aa1d1e82f37e64edeb42"
+  },
   "html": {
     "revision": "d93af487cc75120c89257195e6be46c999c6ba18"
   },

lua/nvim-treesitter/parsers.lua

@@ -348,6 +348,16 @@ list.haskell = {
   }
 }
 
+list.hcl = {
+  install_info = {
+    url = "https://github.com/MichaHoffmann/tree-sitter-hcl",
+    files = {"src/parser.c", "src/scanner.cc"},
+    branch = "main"
+  },
+  filetype = "hcl",
+  used_by = {"tf", "tfvars"}
+}
+
 -- FIXME(vigoux): markdown is broken for now
 -- list.markdown = {
 --   install_info = {

queries/hcl/folds.scm

@@ -0,0 +1,5 @@
+[
+ (comment)
+ (block)
+ (heredoc_template)
+] @fold

queries/hcl/highlights.scm

@@ -0,0 +1,72 @@
+; highlights.scm
+
+[
+  "!"
+  "\*"
+  "/"
+  "%"
+  "\+"
+  "-"
+  ">"
+  ">="
+  "<"
+  "<="
+  "=="
+  "!="
+  "&&"
+  "||"
+] @operator
+
+[
+  "{"
+  "}"
+  "["
+  "]"
+  "("
+  ")"
+  "[*]"
+  ".*"
+] @specialChar
+
+[
+  "."
+  ","
+] @specialChar
+
+[
+  (ellipsis)
+  "\?"
+  ":"
+  "=>"
+] @special
+
+[
+  "for"
+  "in"
+] @repeat
+
+[ 
+  "if"
+] @conditional
+
+[
+  (string_lit)
+  (quoted_template)
+  (heredoc_template)
+] @string
+
+(heredoc_identifier) @namespace
+(heredoc_start) @namespace
+(template_interpolation) @statement
+(numeric_lit) @number
+(bool_lit) @boolean
+(null_lit) @constant
+(comment) @comment
+(identifier) @identifier
+
+(block (identifier) @namespace)
+(function_call (identifier) @function)
+(function_call (function_arguments) @parameter)
+(attribute (identifier) @symbol)
+
+(ERROR) @error