feat: add requirements parser

README.md

@@ -320,6 +320,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [rasi](https://github.com/Fymyte/tree-sitter-rasi) (maintained by @Fymyte)
 - [x] [regex](https://github.com/tree-sitter/tree-sitter-regex) (maintained by @theHamsta)
 - [x] [rego](https://github.com/FallenAngel97/tree-sitter-rego) (maintained by @FallenAngel97)
+- [x] [pip requirements](https://github.com/ObserverOfTime/tree-sitter-requirements) (maintained by @ObserverOfTime)
 - [x] [rnoweb](https://github.com/bamonroe/tree-sitter-rnoweb) (maintained by @bamonroe)
 - [x] [robot](https://github.com/Hubro/tree-sitter-robot) (experimental, maintained by @ema2159)
 - [x] [ron](https://github.com/amaanq/tree-sitter-ron) (maintained by @amaanq)

lockfile.json

@@ -440,6 +440,9 @@
   "rego": {
     "revision": "b2667c975f07b33be3ceb83bea5cfbad88095866"
   },
+  "requirements": {
+    "revision": "56ddb4dad2ea0761d20c0995a0de2990caa350b5"
+  },
   "rnoweb": {
     "revision": "502c1126dc6777f09af5bef16e72a42f75bd081e"
   },

lua/nvim-treesitter/parsers.lua

@@ -1310,6 +1310,15 @@ list.rego = {
   maintainers = { "@FallenAngel97" },
 }
 
+list.requirements = {
+  install_info = {
+    url = "https://github.com/ObserverOfTime/tree-sitter-requirements",
+    files = { "src/parser.c" },
+  },
+  maintainers = { "@ObserverOfTime" },
+  readme_name = "pip requirements",
+}
+
 list.rnoweb = {
   install_info = {
     url = "https://github.com/bamonroe/tree-sitter-rnoweb",

queries/requirements/highlights.scm

@@ -0,0 +1,47 @@
+;; packages
+
+(package) @variable
+
+(extras (package) @parameter)
+
+(path) @text.underline @string.special
+
+(url) @text.uri
+
+;; versions
+
+(version_cmp) @operator
+
+(version) @number
+
+;; markers
+
+(marker_var) @attribute
+
+(marker_op) @keyword.operator
+
+;; options
+
+(option) @function
+
+"=" @operator
+
+;; punctuation
+
+[ "[" "]" "(" ")" ] @punctuation.bracket
+
+[ "," ";" "@" ] @punctuation.delimiter
+
+[ "${" "}" ] @punctuation.special
+
+;; misc
+
+(env_var) @constant
+
+(quoted_string) @string
+
+(linebreak) @character.special
+
+(ERROR) @error
+
+(comment) @comment @spell

queries/requirements/injections.scm

@@ -0,0 +1 @@
+(comment) @comment