feat: add cue

8 files changed, 237 insertions, 0 deletions

diff --git a/README.md b/README.md
index f97bcd5bb..cb16f3c77 100644
--- a/README.md
+++ b/README.md
@@ -196,6 +196,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [cpp](https://github.com/tree-sitter/tree-sitter-cpp) (maintained by @theHamsta)
 - [x] [css](https://github.com/tree-sitter/tree-sitter-css) (maintained by @TravonteD)
 - [x] [cuda](https://github.com/theHamsta/tree-sitter-cuda) (maintained by @theHamsta)
+- [x] [cue](https://github.com/eonpatapon/tree-sitter-cue) (maintained by @amaanq)
 - [x] [d](https://github.com/CyberShadow/tree-sitter-d) (experimental, maintained by @nawordar)
 - [x] [dart](https://github.com/UserNobody14/tree-sitter-dart) (maintained by @akinsho)
 - [x] [devicetree](https://github.com/joelspadin/tree-sitter-devicetree) (maintained by @jedrzejboczar)
diff --git a/lockfile.json b/lockfile.json
index 9e795a15f..f1f630267 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -68,6 +68,9 @@
   "cuda": {
     "revision": "91c3ca3e42326e0f7b83c82765940bbf7f91c847"
   },
+  "cue": {
+    "revision": "4ffcda8c2bdfee1c2ba786cd503d0508ea92cca2"
+  },
   "d": {
     "revision": "c2fbf21bd3aa45495fe13247e040ad5815250032"
   },
diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index 249a1b00a..179513d9b 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -271,6 +271,14 @@ list.cuda = {
   maintainers = { "@theHamsta" },
 }
 
+list.cue = {
+  install_info = {
+    url = "https://github.com/eonpatapon/tree-sitter-cue",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  maintainers = { "@amaanq" },
+}
+
 list.d = {
   install_info = {
     url = "https://github.com/CyberShadow/tree-sitter-d",
diff --git a/queries/cue/folds.scm b/queries/cue/folds.scm
new file mode 100644
index 000000000..934b59e6f
--- /dev/null
+++ b/queries/cue/folds.scm
@@ -0,0 +1,5 @@
+[
+  (import_spec_list)
+  (field)
+  (string)
+] @fold
diff --git a/queries/cue/highlights.scm b/queries/cue/highlights.scm
new file mode 100644
index 000000000..c1f27fb8f
--- /dev/null
+++ b/queries/cue/highlights.scm
@@ -0,0 +1,164 @@
+; Includes
+
+[
+  "package"
+  "import"
+] @include
+
+; Namespaces
+
+(package_identifier) @namespace
+
+(import_spec ["." "_"] @punctuation.special)
+
+[
+  (attr_path)
+  (package_path)
+] @text.uri ;; In attributes
+
+; Attributes
+
+(attribute) @attribute
+
+; Conditionals
+
+"if" @conditional
+
+; Repeats
+
+[
+  "for"
+] @repeat
+
+(for_clause "_" @punctuation.special)
+
+; Keywords
+
+[
+  "let"
+] @keyword
+
+[
+  "in"
+] @keyword.operator
+
+; Operators
+
+[
+  "+"
+  "-"
+  "*"
+  "/"
+  "|"
+  "&"
+  "||"
+  "&&"
+  "=="
+  "!="
+  "<"
+  "<="
+  ">"
+  ">="
+  "=~"
+  "!~"
+  "!"
+  "="
+] @operator
+
+; Fields & Properties
+
+(field 
+  (label 
+  (identifier) @field))
+
+(selector_expression
+  (_)
+  (identifier) @property)
+
+; Functions
+
+(call_expression
+  function: (identifier) @function.call)
+(call_expression
+  function: (selector_expression
+  (_)
+  (identifier) @function.call))
+(call_expression
+  function: (builtin_function) @function.call)
+
+(builtin_function) @function.builtin
+
+; Variables
+
+(identifier) @variable
+
+; Types
+
+(primitive_type) @type.builtin
+
+((identifier) @type
+  (#match? @type "^(#|_#)"))
+
+[
+  (slice_type)
+  (pointer_type)
+] @type ;; In attributes
+
+; Punctuation
+
+[
+  ","
+  ":"
+] @punctuation.delimiter
+
+[ "{" "}" ] @punctuation.bracket
+
+[ "[" "]" ] @punctuation.bracket
+
+[ "(" ")" ] @punctuation.bracket
+
+[ "<" ">" ] @punctuation.bracket
+
+[
+  (ellipsis)
+  "?"
+] @punctuation.special
+
+; Literals
+
+(string) @string
+
+[
+  (escape_char)
+  (escape_unicode)
+] @string.escape
+
+(number) @number
+
+(float) @float
+
+(si_unit
+  (float)
+  (_) @symbol)
+
+(boolean) @boolean
+
+[
+  (null)
+  (top)
+  (bottom)
+] @constant.builtin
+
+; Interpolations
+
+(interpolation "\\(" @punctuation.special (_) ")" @punctuation.special) @none
+
+(interpolation "\\(" (identifier) @variable ")")
+
+; Commments
+
+(comment) @comment @spell
+
+; Errors
+
+(ERROR) @error
diff --git a/queries/cue/indents.scm b/queries/cue/indents.scm
new file mode 100644
index 000000000..731e69b79
--- /dev/null
+++ b/queries/cue/indents.scm
@@ -0,0 +1,21 @@
+[
+  (import_spec_list)
+  (field)
+] @indent
+
+[
+  "}"
+  "]"
+  ")"
+] @indent_end
+
+[ "{" "}" ] @branch
+
+[ "[" "]" ] @branch
+
+[ "(" ")" ] @branch
+
+[
+  (ERROR)
+  (comment)
+] @auto
diff --git a/queries/cue/injections.scm b/queries/cue/injections.scm
new file mode 100644
index 000000000..4bb7d675d
--- /dev/null
+++ b/queries/cue/injections.scm
@@ -0,0 +1 @@
+(comment) @comment
diff --git a/queries/cue/locals.scm b/queries/cue/locals.scm
new file mode 100644
index 000000000..b99a4fca8
--- /dev/null
+++ b/queries/cue/locals.scm
@@ -0,0 +1,34 @@
+; Scopes
+
+[
+  (source_file)
+  (field)
+  (for_clause)
+] @scope
+
+; References
+
+(identifier) @reference
+
+; Definitions
+
+(import_spec
+  path: (string) @definition.import)
+
+(field
+  (label
+  (identifier) @definition.field))
+
+(package_identifier) @definition.namespace
+
+(for_clause
+  (identifier) @definition.variable
+  (expression))
+
+(for_clause
+  (identifier)
+  (identifier) @definition.variable
+  (expression))
+
+(let_clause
+  (identifier) @definition.variable)